parent
b3cc081f47
commit
cca775c2ac
@ -1,30 +1,25 @@
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package org.solovyev.android.calculator;
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import jscl.NumeralBase;
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import jscl.math.Generic;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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import org.solovyev.common.msg.MessageRegistry;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 16:38
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*/
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public interface Calculator extends CalculatorEventContainer {
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@NotNull
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CalculatorEventDataId createFirstEventDataId();
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void evaluate(@NotNull JsclOperation operation,
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@NotNull String expression);
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@NotNull
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CalculatorEventDataId evaluate(@NotNull JsclOperation operation,
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@NotNull String expression,
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@Nullable MessageRegistry mr);
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@NotNull
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CalculatorEventDataId convert(@NotNull Generic generic, @NotNull NumeralBase to);
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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import org.solovyev.common.msg.MessageRegistry;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 16:38
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*/
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public interface Calculator extends CalculatorEventContainer {
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@NotNull
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CalculatorEventDataId createFirstEventDataId();
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void evaluate(@NotNull JsclOperation operation,
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@NotNull String expression);
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@NotNull
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CalculatorEventDataId evaluate(@NotNull JsclOperation operation,
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@NotNull String expression,
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@Nullable MessageRegistry mr);
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}
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@ -1,58 +1,58 @@
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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/**
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* User: serso
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* Date: 9/20/12
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* Time: 10:01 PM
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*/
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public class CalculatorEvaluationEventDataImpl implements CalculatorEvaluationEventData {
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@NotNull
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private final CalculatorEventData calculatorEventData;
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@NotNull
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private final JsclOperation operation;
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@NotNull
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private final String expression;
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public CalculatorEvaluationEventDataImpl(@NotNull CalculatorEventData calculatorEventData,
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@NotNull JsclOperation operation,
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@NotNull String expression) {
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this.calculatorEventData = calculatorEventData;
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this.operation = operation;
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this.expression = expression;
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}
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@NotNull
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@Override
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public JsclOperation getOperation() {
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return this.operation;
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}
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@NotNull
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@Override
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public String getExpression() {
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return this.expression;
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}
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@Override
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public long getEventId() {
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return calculatorEventData.getEventId();
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}
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@Override
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@Nullable
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public Long getSequenceId() {
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return calculatorEventData.getSequenceId();
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}
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@Override
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public boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return calculatorEventData.isAfter(calculatorEventDataId);
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}
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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/**
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* User: serso
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* Date: 9/20/12
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* Time: 10:01 PM
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*/
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public class CalculatorEvaluationEventDataImpl implements CalculatorEvaluationEventData {
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@NotNull
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private final CalculatorEventData calculatorEventData;
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@NotNull
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private final JsclOperation operation;
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@NotNull
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private final String expression;
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public CalculatorEvaluationEventDataImpl(@NotNull CalculatorEventData calculatorEventData,
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@NotNull JsclOperation operation,
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@NotNull String expression) {
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this.calculatorEventData = calculatorEventData;
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this.operation = operation;
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this.expression = expression;
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}
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@NotNull
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@Override
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public JsclOperation getOperation() {
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return this.operation;
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}
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@NotNull
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@Override
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public String getExpression() {
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return this.expression;
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}
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@Override
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public long getEventId() {
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return calculatorEventData.getEventId();
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}
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@Override
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@Nullable
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public Long getCalculationId() {
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return calculatorEventData.getCalculationId();
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}
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@Override
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public boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return calculatorEventData.isAfter(calculatorEventDataId);
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}
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 18:18
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*/
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public interface CalculatorEventDataId {
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// the higher id => the later event
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long getEventId();
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// the higher id => the later event
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@Nullable
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Long getSequenceId();
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boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId);
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 18:18
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*/
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public interface CalculatorEventDataId {
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// the higher id => the later event
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long getEventId();
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@Nullable
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Long getCalculationId();
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boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId);
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}
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@ -1,64 +1,66 @@
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 18:18
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*/
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class CalculatorEventDataIdImpl implements CalculatorEventDataId {
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private final long eventId;
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@Nullable
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private final Long sequenceId;
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private CalculatorEventDataIdImpl(long id, @Nullable Long sequenceId) {
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this.eventId = id;
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this.sequenceId = sequenceId;
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}
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@NotNull
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static CalculatorEventDataId newInstance(long id, @Nullable Long sequenceId) {
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return new CalculatorEventDataIdImpl(id, sequenceId);
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}
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@Override
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public long getEventId() {
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return this.eventId;
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}
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@Nullable
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@Override
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public Long getSequenceId() {
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return this.sequenceId;
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}
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@Override
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public boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return this.eventId > calculatorEventDataId.getEventId();
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof CalculatorEventDataIdImpl)) return false;
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CalculatorEventDataIdImpl that = (CalculatorEventDataIdImpl) o;
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if (eventId != that.eventId) return false;
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if (sequenceId != null ? !sequenceId.equals(that.sequenceId) : that.sequenceId != null)
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return false;
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return true;
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}
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@Override
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public int hashCode() {
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int result = (int) (eventId ^ (eventId >>> 32));
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result = 31 * result + (sequenceId != null ? sequenceId.hashCode() : 0);
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return result;
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}
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 18:18
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*/
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class CalculatorEventDataIdImpl implements CalculatorEventDataId {
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private final long eventId;
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@Nullable
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private final Long calculationId;
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private CalculatorEventDataIdImpl(long id,
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@Nullable Long calculationId) {
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this.eventId = id;
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this.calculationId = calculationId;
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}
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@NotNull
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static CalculatorEventDataId newInstance(long id,
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@Nullable Long calculationId) {
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return new CalculatorEventDataIdImpl(id, calculationId);
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}
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@Override
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public long getEventId() {
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return this.eventId;
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}
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@Nullable
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@Override
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public Long getCalculationId() {
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return this.calculationId;
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}
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@Override
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public boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return this.eventId > calculatorEventDataId.getEventId();
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof CalculatorEventDataIdImpl)) return false;
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CalculatorEventDataIdImpl that = (CalculatorEventDataIdImpl) o;
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if (eventId != that.eventId) return false;
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if (calculationId != null ? !calculationId.equals(that.calculationId) : that.calculationId != null)
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return false;
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return true;
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}
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@Override
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public int hashCode() {
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int result = (int) (eventId ^ (eventId >>> 32));
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result = 31 * result + (calculationId != null ? calculationId.hashCode() : 0);
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return result;
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}
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 16:54
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*/
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class CalculatorEventDataImpl implements CalculatorEventData {
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@NotNull
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private CalculatorEventDataId calculatorEventDataId;
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private CalculatorEventDataImpl(@NotNull CalculatorEventDataId calculatorEventDataId) {
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this.calculatorEventDataId = calculatorEventDataId;
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}
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@NotNull
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public static CalculatorEventData newInstance(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return new CalculatorEventDataImpl(calculatorEventDataId);
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}
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@Override
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public long getEventId() {
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return calculatorEventDataId.getEventId();
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}
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@Override
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@Nullable
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public Long getSequenceId() {
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return calculatorEventDataId.getSequenceId();
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}
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@Override
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public boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return this.calculatorEventDataId.isAfter(calculatorEventDataId);
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof CalculatorEventDataImpl)) return false;
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CalculatorEventDataImpl that = (CalculatorEventDataImpl) o;
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if (!calculatorEventDataId.equals(that.calculatorEventDataId)) return false;
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return true;
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}
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@Override
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public int hashCode() {
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return calculatorEventDataId.hashCode();
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}
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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/**
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 16:54
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*/
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class CalculatorEventDataImpl implements CalculatorEventData {
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@NotNull
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private CalculatorEventDataId calculatorEventDataId;
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private CalculatorEventDataImpl(@NotNull CalculatorEventDataId calculatorEventDataId) {
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this.calculatorEventDataId = calculatorEventDataId;
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}
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@NotNull
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public static CalculatorEventData newInstance(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return new CalculatorEventDataImpl(calculatorEventDataId);
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}
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@Override
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public long getEventId() {
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return calculatorEventDataId.getEventId();
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}
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@Override
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@Nullable
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public Long getCalculationId() {
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return calculatorEventDataId.getCalculationId();
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}
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@Override
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public boolean isAfter(@NotNull CalculatorEventDataId calculatorEventDataId) {
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return this.calculatorEventDataId.isAfter(calculatorEventDataId);
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}
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@Override
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public boolean equals(Object o) {
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if (this == o) return true;
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if (!(o instanceof CalculatorEventDataImpl)) return false;
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CalculatorEventDataImpl that = (CalculatorEventDataImpl) o;
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if (!calculatorEventDataId.equals(that.calculatorEventDataId)) return false;
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return true;
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}
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@Override
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public int hashCode() {
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return calculatorEventDataId.hashCode();
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}
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}
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@ -1,55 +1,43 @@
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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/**
|
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* User: Solovyev_S
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* Date: 20.09.12
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* Time: 16:40
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*/
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public enum CalculatorEventType {
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/*
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**********************************************************************
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*
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* org.solovyev.android.calculator.CalculatorEvaluationEventData
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*
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**********************************************************************
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*/
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// @NotNull org.solovyev.android.calculator.CalculatorInput
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calculation_started,
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// @NotNull org.solovyev.android.calculator.CalculatorOutput
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calculation_result,
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calculation_cancelled,
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calculation_finished,
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// @NotNull org.solovyev.android.calculator.CalculatorFailure
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calculation_failed,
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/*
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**********************************************************************
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*
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* CONVERSION
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*
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**********************************************************************
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*/
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conversion_started,
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// @NotNull String conversion result
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conversion_finished;
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public boolean isOfType(@NotNull CalculatorEventType... types) {
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for (CalculatorEventType type : types) {
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if ( this == type ) {
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return true;
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}
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}
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return false;
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}
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|
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}
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package org.solovyev.android.calculator;
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import org.jetbrains.annotations.NotNull;
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/**
|
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* User: Solovyev_S
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* Date: 20.09.12
|
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* Time: 16:40
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||||
*/
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public enum CalculatorEventType {
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/*
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**********************************************************************
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*
|
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* org.solovyev.android.calculator.CalculatorEvaluationEventData
|
||||
*
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**********************************************************************
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*/
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// @NotNull org.solovyev.android.calculator.CalculatorInput
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calculation_started,
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// @NotNull org.solovyev.android.calculator.CalculatorOutput
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calculation_result,
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calculation_cancelled,
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calculation_finished,
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// @NotNull org.solovyev.android.calculator.CalculatorFailure
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calculation_failed;
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public boolean isOfType(@NotNull CalculatorEventType... types) {
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for (CalculatorEventType type : types) {
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if ( this == type ) {
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return true;
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}
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}
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return false;
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}
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}
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|
@ -1,291 +1,209 @@
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package org.solovyev.android.calculator;
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|
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import jscl.AbstractJsclArithmeticException;
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import jscl.NumeralBase;
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import jscl.NumeralBaseException;
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import jscl.math.Generic;
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import jscl.text.ParseInterruptedException;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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import org.solovyev.android.calculator.text.TextProcessor;
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import org.solovyev.common.msg.MessageRegistry;
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import org.solovyev.common.msg.MessageType;
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import org.solovyev.common.text.StringUtils;
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import org.solovyev.math.units.UnitConverter;
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import org.solovyev.math.units.UnitImpl;
|
||||
import org.solovyev.math.units.UnitType;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.concurrent.Executor;
|
||||
import java.util.concurrent.Executors;
|
||||
import java.util.concurrent.atomic.AtomicLong;
|
||||
|
||||
/**
|
||||
* User: Solovyev_S
|
||||
* Date: 20.09.12
|
||||
* Time: 16:42
|
||||
*/
|
||||
public class CalculatorImpl implements Calculator {
|
||||
|
||||
private static final long FIRST_ID = 0;
|
||||
|
||||
@NotNull
|
||||
private final CalculatorEventContainer calculatorEventContainer = new ListCalculatorEventContainer();
|
||||
|
||||
@NotNull
|
||||
private final AtomicLong counter = new AtomicLong(FIRST_ID);
|
||||
|
||||
@NotNull
|
||||
private final Object lock = new Object();
|
||||
|
||||
@NotNull
|
||||
private final TextProcessor<PreparedExpression, String> preprocessor = ToJsclTextProcessor.getInstance();
|
||||
|
||||
@NotNull
|
||||
private final Executor threadPoolExecutor = Executors.newFixedThreadPool(10);
|
||||
|
||||
public CalculatorImpl() {
|
||||
}
|
||||
|
||||
@NotNull
|
||||
public static String doConversion(@NotNull UnitConverter<String> converter,
|
||||
@Nullable String from,
|
||||
@NotNull UnitType<String> fromUnitType,
|
||||
@NotNull UnitType<String> toUnitType) throws ConversionException{
|
||||
final String result;
|
||||
|
||||
if (StringUtils.isEmpty(from)) {
|
||||
result = "";
|
||||
} else {
|
||||
|
||||
String to = null;
|
||||
try {
|
||||
if (converter.isSupported(fromUnitType, toUnitType)) {
|
||||
to = converter.convert(UnitImpl.newInstance(from, fromUnitType), toUnitType).getValue();
|
||||
}
|
||||
} catch (RuntimeException e) {
|
||||
throw new ConversionException(e);
|
||||
}
|
||||
|
||||
result = to;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorEventDataId nextCalculatorEventDataId() {
|
||||
long eventId = counter.incrementAndGet();
|
||||
return CalculatorEventDataIdImpl.newInstance(eventId, eventId);
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorEventDataId nextEventDataId(@NotNull Long sequenceId) {
|
||||
long eventId = counter.incrementAndGet();
|
||||
return CalculatorEventDataIdImpl.newInstance(eventId, sequenceId);
|
||||
}
|
||||
|
||||
/*
|
||||
**********************************************************************
|
||||
*
|
||||
* CALCULATION
|
||||
*
|
||||
**********************************************************************
|
||||
*/
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public CalculatorEventDataId createFirstEventDataId() {
|
||||
return CalculatorEventDataIdImpl.newInstance(FIRST_ID, FIRST_ID);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void evaluate(@NotNull JsclOperation operation,
|
||||
@NotNull String expression) {
|
||||
evaluate(operation, expression, null);
|
||||
}
|
||||
|
||||
@Override
|
||||
@NotNull
|
||||
public CalculatorEventDataId evaluate(@NotNull final JsclOperation operation,
|
||||
@NotNull final String expression,
|
||||
@Nullable final MessageRegistry mr) {
|
||||
|
||||
final CalculatorEventDataId eventDataId = nextCalculatorEventDataId();
|
||||
|
||||
threadPoolExecutor.execute(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
CalculatorImpl.this.evaluate(eventDataId.getSequenceId(), operation, expression, mr);
|
||||
}
|
||||
});
|
||||
|
||||
return eventDataId;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public CalculatorEventDataId convert(@NotNull final Generic generic,
|
||||
@NotNull final NumeralBase to) {
|
||||
final CalculatorEventDataId eventDataId = nextCalculatorEventDataId();
|
||||
|
||||
threadPoolExecutor.execute(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
final Long sequenceId = eventDataId.getSequenceId();
|
||||
assert sequenceId != null;
|
||||
|
||||
fireCalculatorEvent(newConversionEventData(sequenceId), CalculatorEventType.conversion_started, null);
|
||||
|
||||
final NumeralBase from = CalculatorLocatorImpl.getInstance().getCalculatorEngine().getEngine().getNumeralBase();
|
||||
|
||||
if (from != to) {
|
||||
String fromString = generic.toString();
|
||||
if (!StringUtils.isEmpty(fromString)) {
|
||||
try {
|
||||
fromString = ToJsclTextProcessor.getInstance().process(fromString).getExpression();
|
||||
} catch (CalculatorParseException e) {
|
||||
// ok, problems while processing occurred
|
||||
}
|
||||
}
|
||||
|
||||
// todo serso: continue
|
||||
//doConversion(AndroidNumeralBase.getConverter(), fromString, AndroidNumeralBase.valueOf(fromString), AndroidNumeralBase.valueOf(to));
|
||||
} else {
|
||||
fireCalculatorEvent(newConversionEventData(sequenceId), CalculatorEventType.conversion_finished, generic.toString());
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
return eventDataId;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorEventData newConversionEventData(@NotNull Long sequenceId) {
|
||||
return CalculatorEventDataImpl.newInstance(nextEventDataId(sequenceId));
|
||||
}
|
||||
|
||||
private void evaluate(@NotNull Long sequenceId,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@Nullable MessageRegistry mr) {
|
||||
synchronized (lock) {
|
||||
|
||||
PreparedExpression preparedExpression = null;
|
||||
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_started, new CalculatorInputImpl(expression, operation));
|
||||
|
||||
try {
|
||||
preparedExpression = preprocessor.process(expression);
|
||||
|
||||
final String jsclExpression = preparedExpression.toString();
|
||||
|
||||
try {
|
||||
|
||||
final Generic result = operation.evaluateGeneric(jsclExpression);
|
||||
|
||||
// NOTE: toString() method must be called here as ArithmeticOperationException may occur in it (just to avoid later check!)
|
||||
result.toString();
|
||||
|
||||
final CalculatorOutputImpl data = new CalculatorOutputImpl(operation.getFromProcessor().process(result), operation, result);
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_result, data);
|
||||
|
||||
} catch (AbstractJsclArithmeticException e) {
|
||||
handleException(sequenceId, operation, expression, mr, new CalculatorEvalException(e, e, jsclExpression));
|
||||
}
|
||||
|
||||
} catch (ArithmeticException e) {
|
||||
handleException(sequenceId, operation, expression, mr, preparedExpression, new CalculatorParseException(expression, new CalculatorMessage(CalculatorMessages.msg_001, MessageType.error, e.getMessage())));
|
||||
} catch (StackOverflowError e) {
|
||||
handleException(sequenceId, operation, expression, mr, preparedExpression, new CalculatorParseException(expression, new CalculatorMessage(CalculatorMessages.msg_002, MessageType.error)));
|
||||
} catch (jscl.text.ParseException e) {
|
||||
handleException(sequenceId, operation, expression, mr, preparedExpression, new CalculatorParseException(e));
|
||||
} catch (ParseInterruptedException e) {
|
||||
|
||||
// do nothing - we ourselves interrupt the calculations
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_cancelled, null);
|
||||
|
||||
} catch (CalculatorParseException e) {
|
||||
handleException(sequenceId, operation, expression, mr, preparedExpression, e);
|
||||
} finally {
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, sequenceId), CalculatorEventType.calculation_finished, null);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorEventData newCalculationEventData(@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@NotNull Long calculationId) {
|
||||
return new CalculatorEvaluationEventDataImpl(CalculatorEventDataImpl.newInstance(nextEventDataId(calculationId)), operation, expression);
|
||||
}
|
||||
|
||||
private void handleException(@NotNull Long calculationId,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@Nullable MessageRegistry mr,
|
||||
@Nullable PreparedExpression preparedExpression,
|
||||
@NotNull CalculatorParseException parseException) {
|
||||
|
||||
if (operation == JsclOperation.numeric
|
||||
&& preparedExpression != null
|
||||
&& preparedExpression.isExistsUndefinedVar()) {
|
||||
|
||||
evaluate(calculationId, JsclOperation.simplify, expression, mr);
|
||||
|
||||
}
|
||||
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_failed, new CalculatorFailureImpl(parseException));
|
||||
}
|
||||
|
||||
private void handleException(@NotNull Long calculationId,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@Nullable MessageRegistry mr,
|
||||
@NotNull CalculatorEvalException evalException) {
|
||||
|
||||
if (operation == JsclOperation.numeric && evalException.getCause() instanceof NumeralBaseException) {
|
||||
evaluate(calculationId, JsclOperation.simplify, expression, mr);
|
||||
}
|
||||
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_failed, new CalculatorFailureImpl(evalException));
|
||||
}
|
||||
|
||||
/*
|
||||
**********************************************************************
|
||||
*
|
||||
* EVENTS
|
||||
*
|
||||
**********************************************************************
|
||||
*/
|
||||
|
||||
@Override
|
||||
public void addCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
|
||||
calculatorEventContainer.addCalculatorEventListener(calculatorEventListener);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
|
||||
calculatorEventContainer.removeCalculatorEventListener(calculatorEventListener);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void fireCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
|
||||
calculatorEventContainer.fireCalculatorEvent(calculatorEventData, calculatorEventType, data);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void fireCalculatorEvents(@NotNull List<CalculatorEvent> calculatorEvents) {
|
||||
calculatorEventContainer.fireCalculatorEvents(calculatorEvents);
|
||||
}
|
||||
|
||||
public static final class ConversionException extends Exception {
|
||||
private ConversionException() {
|
||||
}
|
||||
|
||||
private ConversionException(Throwable throwable) {
|
||||
super(throwable);
|
||||
}
|
||||
}
|
||||
}
|
||||
package org.solovyev.android.calculator;
|
||||
|
||||
import jscl.AbstractJsclArithmeticException;
|
||||
import jscl.NumeralBaseException;
|
||||
import jscl.math.Generic;
|
||||
import jscl.text.ParseInterruptedException;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
import org.solovyev.android.calculator.jscl.JsclOperation;
|
||||
import org.solovyev.android.calculator.text.TextProcessor;
|
||||
import org.solovyev.common.msg.MessageRegistry;
|
||||
import org.solovyev.common.msg.MessageType;
|
||||
|
||||
import java.util.List;
|
||||
import java.util.concurrent.Executor;
|
||||
import java.util.concurrent.Executors;
|
||||
import java.util.concurrent.atomic.AtomicLong;
|
||||
|
||||
/**
|
||||
* User: Solovyev_S
|
||||
* Date: 20.09.12
|
||||
* Time: 16:42
|
||||
*/
|
||||
public class CalculatorImpl implements Calculator {
|
||||
|
||||
private static final long FIRST_ID = 0;
|
||||
|
||||
@NotNull
|
||||
private final CalculatorEventContainer calculatorEventContainer = new ListCalculatorEventContainer();
|
||||
|
||||
@NotNull
|
||||
private final AtomicLong counter = new AtomicLong(FIRST_ID);
|
||||
|
||||
@NotNull
|
||||
private final Object lock = new Object();
|
||||
|
||||
@NotNull
|
||||
private final TextProcessor<PreparedExpression, String> preprocessor = ToJsclTextProcessor.getInstance();
|
||||
|
||||
@NotNull
|
||||
private final Executor threadPoolExecutor = Executors.newFixedThreadPool(10);
|
||||
|
||||
public CalculatorImpl() {
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorEventDataId nextCalculatorEventDataId() {
|
||||
long eventId = counter.incrementAndGet();
|
||||
return CalculatorEventDataIdImpl.newInstance(eventId, eventId);
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorEventDataId nextEventDataId(@NotNull Long calculationId) {
|
||||
long eventId = counter.incrementAndGet();
|
||||
return CalculatorEventDataIdImpl.newInstance(eventId, calculationId);
|
||||
}
|
||||
|
||||
/*
|
||||
**********************************************************************
|
||||
*
|
||||
* CALCULATION
|
||||
*
|
||||
**********************************************************************
|
||||
*/
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public CalculatorEventDataId createFirstEventDataId() {
|
||||
return CalculatorEventDataIdImpl.newInstance(FIRST_ID, FIRST_ID);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void evaluate(@NotNull JsclOperation operation,
|
||||
@NotNull String expression) {
|
||||
evaluate(operation, expression, null);
|
||||
}
|
||||
|
||||
@Override
|
||||
@NotNull
|
||||
public CalculatorEventDataId evaluate(@NotNull final JsclOperation operation,
|
||||
@NotNull final String expression,
|
||||
@Nullable final MessageRegistry mr) {
|
||||
|
||||
final CalculatorEventDataId eventDataId = nextCalculatorEventDataId();
|
||||
|
||||
threadPoolExecutor.execute(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
CalculatorImpl.this.evaluate(eventDataId.getCalculationId(), operation, expression, mr);
|
||||
}
|
||||
});
|
||||
|
||||
return eventDataId;
|
||||
}
|
||||
|
||||
private void evaluate(@NotNull Long calculationId,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@Nullable MessageRegistry mr) {
|
||||
synchronized (lock) {
|
||||
|
||||
PreparedExpression preparedExpression = null;
|
||||
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_started, new CalculatorInputImpl(expression, operation));
|
||||
|
||||
try {
|
||||
preparedExpression = preprocessor.process(expression);
|
||||
|
||||
final String jsclExpression = preparedExpression.toString();
|
||||
|
||||
try {
|
||||
|
||||
final Generic result = operation.evaluateGeneric(jsclExpression);
|
||||
|
||||
// NOTE: toString() method must be called here as ArithmeticOperationException may occur in it (just to avoid later check!)
|
||||
result.toString();
|
||||
|
||||
final CalculatorOutputImpl data = new CalculatorOutputImpl(operation.getFromProcessor().process(result), operation, result);
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_result, data);
|
||||
|
||||
} catch (AbstractJsclArithmeticException e) {
|
||||
handleException(calculationId, operation, expression, mr, new CalculatorEvalException(e, e, jsclExpression));
|
||||
}
|
||||
|
||||
} catch (ArithmeticException e) {
|
||||
handleException(calculationId, operation, expression, mr, preparedExpression, new CalculatorParseException(expression, new CalculatorMessage(CalculatorMessages.msg_001, MessageType.error, e.getMessage())));
|
||||
} catch (StackOverflowError e) {
|
||||
handleException(calculationId, operation, expression, mr, preparedExpression, new CalculatorParseException(expression, new CalculatorMessage(CalculatorMessages.msg_002, MessageType.error)));
|
||||
} catch (jscl.text.ParseException e) {
|
||||
handleException(calculationId, operation, expression, mr, preparedExpression, new CalculatorParseException(e));
|
||||
} catch (ParseInterruptedException e) {
|
||||
|
||||
// do nothing - we ourselves interrupt the calculations
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_cancelled, null);
|
||||
|
||||
} catch (CalculatorParseException e) {
|
||||
handleException(calculationId, operation, expression, mr, preparedExpression, e);
|
||||
} finally {
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_finished, null);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorEventData newCalculationEventData(@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@NotNull Long calculationId) {
|
||||
return new CalculatorEvaluationEventDataImpl(CalculatorEventDataImpl.newInstance(nextEventDataId(calculationId)), operation, expression);
|
||||
}
|
||||
|
||||
private void handleException(@NotNull Long calculationId,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@Nullable MessageRegistry mr,
|
||||
@Nullable PreparedExpression preparedExpression,
|
||||
@NotNull CalculatorParseException parseException) {
|
||||
|
||||
if (operation == JsclOperation.numeric
|
||||
&& preparedExpression != null
|
||||
&& preparedExpression.isExistsUndefinedVar()) {
|
||||
|
||||
evaluate(calculationId, JsclOperation.simplify, expression, mr);
|
||||
|
||||
}
|
||||
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_failed, new CalculatorFailureImpl(parseException));
|
||||
}
|
||||
|
||||
private void handleException(@NotNull Long calculationId,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull String expression,
|
||||
@Nullable MessageRegistry mr,
|
||||
@NotNull CalculatorEvalException evalException) {
|
||||
|
||||
if (operation == JsclOperation.numeric && evalException.getCause() instanceof NumeralBaseException) {
|
||||
evaluate(calculationId, JsclOperation.simplify, expression, mr);
|
||||
}
|
||||
|
||||
fireCalculatorEvent(newCalculationEventData(operation, expression, calculationId), CalculatorEventType.calculation_failed, new CalculatorFailureImpl(evalException));
|
||||
}
|
||||
|
||||
/*
|
||||
**********************************************************************
|
||||
*
|
||||
* EVENTS
|
||||
*
|
||||
**********************************************************************
|
||||
*/
|
||||
|
||||
@Override
|
||||
public void addCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
|
||||
calculatorEventContainer.addCalculatorEventListener(calculatorEventListener);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void removeCalculatorEventListener(@NotNull CalculatorEventListener calculatorEventListener) {
|
||||
calculatorEventContainer.removeCalculatorEventListener(calculatorEventListener);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void fireCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
|
||||
calculatorEventContainer.fireCalculatorEvent(calculatorEventData, calculatorEventType, data);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void fireCalculatorEvents(@NotNull List<CalculatorEvent> calculatorEvents) {
|
||||
calculatorEventContainer.fireCalculatorEvents(calculatorEvents);
|
||||
}
|
||||
}
|
||||
|
@ -1,19 +1,20 @@
|
||||
# This file is automatically generated by Android Tools.
|
||||
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
|
||||
#
|
||||
# This file must be checked in Version Control Systems.
|
||||
#
|
||||
# To customize properties used by the Ant build system use,
|
||||
# "ant.properties", and override values to adapt the script to your
|
||||
# project structure.
|
||||
|
||||
# Project target.
|
||||
target=android-15
|
||||
android.library.reference.1=gen-external-apklibs/org.solovyev.android_android-common-core_1.0.0
|
||||
android.library.reference.2=gen-external-apklibs/org.solovyev.android_android-common-ads_1.0.0
|
||||
android.library.reference.3=gen-external-apklibs/org.solovyev.android_android-common-view_1.0.0
|
||||
android.library.reference.4=gen-external-apklibs/org.solovyev.android_android-common-preferences_1.0.0
|
||||
android.library.reference.5=gen-external-apklibs/org.solovyev.android_android-common-other_1.0.0
|
||||
android.library.reference.6=gen-external-apklibs/org.solovyev.android_android-common-menu_1.0.0
|
||||
|
||||
|
||||
# This file is automatically generated by Android Tools.
|
||||
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
|
||||
#
|
||||
# This file must be checked in Version Control Systems.
|
||||
#
|
||||
# To customize properties used by the Ant build system use,
|
||||
# "ant.properties", and override values to adapt the script to your
|
||||
# project structure.
|
||||
|
||||
# Project target.
|
||||
target=android-15
|
||||
android.library.reference.1=../calculatorpp-service
|
||||
android.library.reference.2=gen-external-apklibs/org.solovyev.android_android-common-core_1.0.0
|
||||
android.library.reference.3=gen-external-apklibs/org.solovyev.android_android-common-ads_1.0.0
|
||||
android.library.reference.4=gen-external-apklibs/org.solovyev.android_android-common-view_1.0.0
|
||||
android.library.reference.5=gen-external-apklibs/org.solovyev.android_android-common-preferences_1.0.0
|
||||
android.library.reference.6=gen-external-apklibs/org.solovyev.android_android-common-other_1.0.0
|
||||
android.library.reference.7=gen-external-apklibs/org.solovyev.android_android-common-menu_1.0.0
|
||||
|
||||
|
||||
|
@ -1,235 +1,316 @@
|
||||
/*
|
||||
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
|
||||
* For more information, please, contact se.solovyev@gmail.com
|
||||
*/
|
||||
|
||||
package org.solovyev.android.calculator;
|
||||
|
||||
import android.content.Context;
|
||||
import android.graphics.Color;
|
||||
import android.text.Html;
|
||||
import android.util.AttributeSet;
|
||||
import android.util.Log;
|
||||
import jscl.math.Generic;
|
||||
import jscl.math.function.Constant;
|
||||
import jscl.math.function.IConstant;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.solovyev.android.calculator.jscl.JsclOperation;
|
||||
import org.solovyev.android.calculator.model.CalculatorEngine;
|
||||
import org.solovyev.android.calculator.text.TextProcessor;
|
||||
import org.solovyev.android.calculator.view.NumeralBaseConverterDialog;
|
||||
import org.solovyev.android.calculator.view.TextHighlighter;
|
||||
import org.solovyev.android.menu.LabeledMenuItem;
|
||||
import org.solovyev.android.view.AutoResizeTextView;
|
||||
import org.solovyev.common.collections.CollectionsUtils;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 9/17/11
|
||||
* Time: 10:58 PM
|
||||
*/
|
||||
public class AndroidCalculatorDisplayView extends AutoResizeTextView implements CalculatorDisplayView {
|
||||
|
||||
public static enum MenuItem implements LabeledMenuItem<CalculatorDisplayViewState> {
|
||||
|
||||
copy(R.string.c_copy) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
||||
CalculatorModel.copyResult(context, data);
|
||||
}
|
||||
},
|
||||
|
||||
convert_to_bin(R.string.convert_to_bin) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
||||
ConversionMenuItem.convert_to_bin.onClick(data, context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return ConversionMenuItem.convert_to_bin.isItemVisibleFor(generic, operation);
|
||||
}
|
||||
},
|
||||
|
||||
convert_to_dec(R.string.convert_to_dec) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
||||
ConversionMenuItem.convert_to_dec.onClick(data, context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return ConversionMenuItem.convert_to_dec.isItemVisibleFor(generic, operation);
|
||||
}
|
||||
},
|
||||
|
||||
convert_to_hex(R.string.convert_to_hex) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
||||
ConversionMenuItem.convert_to_hex.onClick(data, context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return ConversionMenuItem.convert_to_hex.isItemVisibleFor(generic, operation);
|
||||
}
|
||||
},
|
||||
|
||||
convert(R.string.c_convert) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
||||
final Generic result = data.getResult();
|
||||
if (result != null) {
|
||||
new NumeralBaseConverterDialog(result.toString()).show(context);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return operation == JsclOperation.numeric && generic.getConstants().isEmpty();
|
||||
}
|
||||
},
|
||||
|
||||
plot(R.string.c_plot) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
||||
final Generic generic = data.getResult();
|
||||
assert generic != null;
|
||||
|
||||
final Constant constant = CollectionsUtils.getFirstCollectionElement(getNotSystemConstants(generic));
|
||||
assert constant != null;
|
||||
CalculatorActivityLauncher.plotGraph(context, generic, constant);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
boolean result = false;
|
||||
|
||||
if (operation == JsclOperation.simplify) {
|
||||
if (getNotSystemConstants(generic).size() == 1) {
|
||||
result = true;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private Set<Constant> getNotSystemConstants(@NotNull Generic generic) {
|
||||
final Set<Constant> notSystemConstants = new HashSet<Constant>();
|
||||
|
||||
for (Constant constant : generic.getConstants()) {
|
||||
IConstant var = CalculatorEngine.instance.getVarsRegistry().get(constant.getName());
|
||||
if (var != null && !var.isSystem() && !var.isDefined()) {
|
||||
notSystemConstants.add(constant);
|
||||
}
|
||||
}
|
||||
|
||||
return notSystemConstants;
|
||||
}
|
||||
};
|
||||
|
||||
private final int captionId;
|
||||
|
||||
MenuItem(int captionId) {
|
||||
this.captionId = captionId;
|
||||
}
|
||||
|
||||
public final boolean isItemVisible(@NotNull CalculatorDisplayViewState displayViewState) {
|
||||
//noinspection ConstantConditions
|
||||
return displayViewState.isValid() && displayViewState.getResult() != null && isItemVisibleFor(displayViewState.getResult(), displayViewState.getOperation());
|
||||
}
|
||||
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public String getCaption(@NotNull Context context) {
|
||||
return context.getString(captionId);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorDisplayViewState state = CalculatorDisplayViewStateImpl.newDefaultInstance();
|
||||
|
||||
@NotNull
|
||||
private final static TextProcessor<TextHighlighter.Result, String> textHighlighter = new TextHighlighter(Color.WHITE, false, CalculatorEngine.instance.getEngine());
|
||||
|
||||
public AndroidCalculatorDisplayView(Context context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
public AndroidCalculatorDisplayView(Context context, AttributeSet attrs) {
|
||||
super(context, attrs);
|
||||
}
|
||||
|
||||
public AndroidCalculatorDisplayView(Context context, AttributeSet attrs, int defStyle) {
|
||||
super(context, attrs, defStyle);
|
||||
}
|
||||
|
||||
public boolean isValid() {
|
||||
return this.state.isValid();
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public void setState(@NotNull CalculatorDisplayViewState state) {
|
||||
this.state = state;
|
||||
if ( state.isValid() ) {
|
||||
setTextColor(getResources().getColor(R.color.default_text_color));
|
||||
setText(state.getStringResult());
|
||||
} else {
|
||||
setTextColor(getResources().getColor(R.color.display_error_text_color));
|
||||
setText(state.getErrorMessage());
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public CalculatorDisplayViewState getState() {
|
||||
return this.state;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setText(CharSequence text, BufferType type) {
|
||||
super.setText(text, type);
|
||||
}
|
||||
|
||||
public synchronized void redraw() {
|
||||
if (isValid()) {
|
||||
String text = getText().toString();
|
||||
|
||||
Log.d(this.getClass().getName(), text);
|
||||
|
||||
try {
|
||||
TextHighlighter.Result result = textHighlighter.process(text);
|
||||
text = result.toString();
|
||||
} catch (CalculatorParseException e) {
|
||||
Log.e(this.getClass().getName(), e.getMessage(), e);
|
||||
}
|
||||
|
||||
Log.d(this.getClass().getName(), text);
|
||||
super.setText(Html.fromHtml(text), BufferType.EDITABLE);
|
||||
}
|
||||
|
||||
// todo serso: think where to move it (keep in mind org.solovyev.android.view.AutoResizeTextView.resetTextSize())
|
||||
setAddEllipsis(false);
|
||||
setMinTextSize(10);
|
||||
resizeText();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getSelection() {
|
||||
return this.getSelectionStart();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setSelection(int selection) {
|
||||
// not supported by TextView
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
|
||||
* For more information, please, contact se.solovyev@gmail.com
|
||||
*/
|
||||
|
||||
package org.solovyev.android.calculator;
|
||||
|
||||
import android.content.Context;
|
||||
import android.graphics.Color;
|
||||
import android.text.Html;
|
||||
import android.util.AttributeSet;
|
||||
import android.util.Log;
|
||||
import jscl.NumeralBase;
|
||||
import jscl.math.Generic;
|
||||
import jscl.math.function.Constant;
|
||||
import jscl.math.function.IConstant;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.solovyev.android.calculator.jscl.JsclOperation;
|
||||
import org.solovyev.android.calculator.model.CalculatorEngine;
|
||||
import org.solovyev.android.calculator.text.TextProcessor;
|
||||
import org.solovyev.android.calculator.view.NumeralBaseConverterDialog;
|
||||
import org.solovyev.android.calculator.view.TextHighlighter;
|
||||
import org.solovyev.android.calculator.view.UnitConverterViewBuilder;
|
||||
import org.solovyev.android.menu.AMenuItem;
|
||||
import org.solovyev.android.menu.LabeledMenuItem;
|
||||
import org.solovyev.android.view.AutoResizeTextView;
|
||||
import org.solovyev.common.collections.CollectionsUtils;
|
||||
import org.solovyev.common.text.StringUtils;
|
||||
|
||||
import java.util.HashSet;
|
||||
import java.util.Set;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 9/17/11
|
||||
* Time: 10:58 PM
|
||||
*/
|
||||
public class AndroidCalculatorDisplayView extends AutoResizeTextView implements CalculatorDisplayView {
|
||||
|
||||
private static enum ConversionMenuItem implements AMenuItem<CalculatorDisplayView> {
|
||||
convert_to_bin(NumeralBase.bin),
|
||||
convert_to_dec(NumeralBase.dec),
|
||||
convert_to_hex(NumeralBase.hex);
|
||||
|
||||
@NotNull
|
||||
private final NumeralBase toNumeralBase;
|
||||
|
||||
private ConversionMenuItem(@NotNull NumeralBase toNumeralBase) {
|
||||
this.toNumeralBase = toNumeralBase;
|
||||
}
|
||||
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
boolean result = false;
|
||||
|
||||
if (operation == JsclOperation.numeric) {
|
||||
if (generic.getConstants().isEmpty()) {
|
||||
try {
|
||||
convert(generic);
|
||||
|
||||
// conversion possible => return true
|
||||
result = true;
|
||||
|
||||
} catch (UnitConverterViewBuilder.ConversionException e) {
|
||||
// conversion is not possible => return false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayView data, @NotNull Context context) {
|
||||
final NumeralBase fromNumeralBase = CalculatorEngine.instance.getEngine().getNumeralBase();
|
||||
|
||||
final Generic lastResult = CalculatorLocatorImpl.getInstance().getCalculatorDisplay().getViewState().getResult();
|
||||
|
||||
if (lastResult != null) {
|
||||
String to;
|
||||
try {
|
||||
to = convert(lastResult);
|
||||
|
||||
// add prefix
|
||||
if (fromNumeralBase != toNumeralBase) {
|
||||
to = toNumeralBase.getJsclPrefix() + to;
|
||||
}
|
||||
} catch (UnitConverterViewBuilder.ConversionException e) {
|
||||
to = context.getString(R.string.c_error);
|
||||
}
|
||||
|
||||
data.setText(to);
|
||||
//data.redraw();
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private String convert(@NotNull Generic generic) throws UnitConverterViewBuilder.ConversionException {
|
||||
final NumeralBase fromNumeralBase = CalculatorEngine.instance.getEngine().getNumeralBase();
|
||||
|
||||
if (fromNumeralBase != toNumeralBase) {
|
||||
String from = generic.toString();
|
||||
if (!StringUtils.isEmpty(from)) {
|
||||
try {
|
||||
from = ToJsclTextProcessor.getInstance().process(from).getExpression();
|
||||
} catch (CalculatorParseException e) {
|
||||
// ok, problems while processing occurred
|
||||
}
|
||||
}
|
||||
|
||||
return UnitConverterViewBuilder.doConversion(AndroidNumeralBase.getConverter(), from, AndroidNumeralBase.valueOf(fromNumeralBase), AndroidNumeralBase.valueOf(toNumeralBase));
|
||||
} else {
|
||||
return generic.toString();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static enum MenuItem implements LabeledMenuItem<CalculatorDisplayView> {
|
||||
|
||||
copy(R.string.c_copy) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayView data, @NotNull Context context) {
|
||||
CalculatorModel.copyResult(context, data);
|
||||
}
|
||||
},
|
||||
|
||||
convert_to_bin(R.string.convert_to_bin) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayView data, @NotNull Context context) {
|
||||
ConversionMenuItem.convert_to_bin.onClick(data, context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return ConversionMenuItem.convert_to_bin.isItemVisibleFor(generic, operation);
|
||||
}
|
||||
},
|
||||
|
||||
convert_to_dec(R.string.convert_to_dec) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayView data, @NotNull Context context) {
|
||||
ConversionMenuItem.convert_to_dec.onClick(data, context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return ConversionMenuItem.convert_to_dec.isItemVisibleFor(generic, operation);
|
||||
}
|
||||
},
|
||||
|
||||
convert_to_hex(R.string.convert_to_hex) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayView data, @NotNull Context context) {
|
||||
ConversionMenuItem.convert_to_hex.onClick(data, context);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return ConversionMenuItem.convert_to_hex.isItemVisibleFor(generic, operation);
|
||||
}
|
||||
},
|
||||
|
||||
convert(R.string.c_convert) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayView data, @NotNull Context context) {
|
||||
final Generic result = data.getState().getResult();
|
||||
if (result != null) {
|
||||
new NumeralBaseConverterDialog(result.toString()).show(context);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return operation == JsclOperation.numeric && generic.getConstants().isEmpty();
|
||||
}
|
||||
},
|
||||
|
||||
plot(R.string.c_plot) {
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayView data, @NotNull Context context) {
|
||||
final Generic generic = data.getState().getResult();
|
||||
assert generic != null;
|
||||
|
||||
final Constant constant = CollectionsUtils.getFirstCollectionElement(getNotSystemConstants(generic));
|
||||
assert constant != null;
|
||||
CalculatorActivityLauncher.plotGraph(context, generic, constant);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
boolean result = false;
|
||||
|
||||
if (operation == JsclOperation.simplify) {
|
||||
if (getNotSystemConstants(generic).size() == 1) {
|
||||
result = true;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private Set<Constant> getNotSystemConstants(@NotNull Generic generic) {
|
||||
final Set<Constant> notSystemConstants = new HashSet<Constant>();
|
||||
|
||||
for (Constant constant : generic.getConstants()) {
|
||||
IConstant var = CalculatorEngine.instance.getVarsRegistry().get(constant.getName());
|
||||
if (var != null && !var.isSystem() && !var.isDefined()) {
|
||||
notSystemConstants.add(constant);
|
||||
}
|
||||
}
|
||||
|
||||
return notSystemConstants;
|
||||
}
|
||||
};
|
||||
|
||||
private final int captionId;
|
||||
|
||||
MenuItem(int captionId) {
|
||||
this.captionId = captionId;
|
||||
}
|
||||
|
||||
public final boolean isItemVisible(@NotNull CalculatorDisplayViewState displayViewState) {
|
||||
//noinspection ConstantConditions
|
||||
return displayViewState.isValid() && displayViewState.getResult() != null && isItemVisibleFor(displayViewState.getResult(), displayViewState.getOperation());
|
||||
}
|
||||
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
return true;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public String getCaption(@NotNull Context context) {
|
||||
return context.getString(captionId);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private CalculatorDisplayViewState state = CalculatorDisplayViewStateImpl.newDefaultInstance();
|
||||
|
||||
@NotNull
|
||||
private final static TextProcessor<TextHighlighter.Result, String> textHighlighter = new TextHighlighter(Color.WHITE, false, CalculatorEngine.instance.getEngine());
|
||||
|
||||
public AndroidCalculatorDisplayView(Context context) {
|
||||
super(context);
|
||||
}
|
||||
|
||||
public AndroidCalculatorDisplayView(Context context, AttributeSet attrs) {
|
||||
super(context, attrs);
|
||||
}
|
||||
|
||||
public AndroidCalculatorDisplayView(Context context, AttributeSet attrs, int defStyle) {
|
||||
super(context, attrs, defStyle);
|
||||
}
|
||||
|
||||
public boolean isValid() {
|
||||
return this.state.isValid();
|
||||
}
|
||||
|
||||
|
||||
@Override
|
||||
public void setState(@NotNull CalculatorDisplayViewState state) {
|
||||
this.state = state;
|
||||
if ( state.isValid() ) {
|
||||
setTextColor(getResources().getColor(R.color.default_text_color));
|
||||
setText(state.getStringResult());
|
||||
} else {
|
||||
setTextColor(getResources().getColor(R.color.display_error_text_color));
|
||||
setText(state.getErrorMessage());
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public CalculatorDisplayViewState getState() {
|
||||
return this.state;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setText(CharSequence text, BufferType type) {
|
||||
super.setText(text, type);
|
||||
}
|
||||
|
||||
public synchronized void redraw() {
|
||||
if (isValid()) {
|
||||
String text = getText().toString();
|
||||
|
||||
Log.d(this.getClass().getName(), text);
|
||||
|
||||
try {
|
||||
TextHighlighter.Result result = textHighlighter.process(text);
|
||||
text = result.toString();
|
||||
} catch (CalculatorParseException e) {
|
||||
Log.e(this.getClass().getName(), e.getMessage(), e);
|
||||
}
|
||||
|
||||
Log.d(this.getClass().getName(), text);
|
||||
super.setText(Html.fromHtml(text), BufferType.EDITABLE);
|
||||
}
|
||||
|
||||
// todo serso: think where to move it (keep in mind org.solovyev.android.view.AutoResizeTextView.resetTextSize())
|
||||
setAddEllipsis(false);
|
||||
setMinTextSize(10);
|
||||
resizeText();
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getSelection() {
|
||||
return this.getSelectionStart();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setSelection(int selection) {
|
||||
// not supported by TextView
|
||||
}
|
||||
}
|
||||
|
@ -1,411 +1,412 @@
|
||||
/*
|
||||
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
|
||||
* For more information, please, contact se.solovyev@gmail.com
|
||||
*/
|
||||
|
||||
package org.solovyev.android.calculator;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.app.AlertDialog;
|
||||
import android.content.Context;
|
||||
import android.content.SharedPreferences;
|
||||
import android.os.Handler;
|
||||
import android.text.ClipboardManager;
|
||||
import android.util.Log;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.widget.EditText;
|
||||
import android.widget.TextView;
|
||||
import android.widget.Toast;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
import org.solovyev.android.CursorControl;
|
||||
import org.solovyev.android.calculator.history.AndroidCalculatorHistoryImpl;
|
||||
import org.solovyev.android.calculator.history.CalculatorHistoryState;
|
||||
import org.solovyev.android.calculator.history.TextViewEditorAdapter;
|
||||
import org.solovyev.android.calculator.jscl.JsclOperation;
|
||||
import org.solovyev.android.calculator.math.MathType;
|
||||
import org.solovyev.android.calculator.model.CalculatorEngine;
|
||||
import org.solovyev.android.history.HistoryControl;
|
||||
import org.solovyev.android.menu.AMenuBuilder;
|
||||
import org.solovyev.android.menu.MenuImpl;
|
||||
import org.solovyev.common.MutableObject;
|
||||
import org.solovyev.common.history.HistoryAction;
|
||||
import org.solovyev.common.msg.Message;
|
||||
import org.solovyev.common.text.StringUtils;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 9/12/11
|
||||
* Time: 11:15 PM
|
||||
*/
|
||||
public enum CalculatorModel implements CursorControl, HistoryControl<CalculatorHistoryState>, CalculatorEngineControl {
|
||||
|
||||
instance;
|
||||
|
||||
// millis to wait before evaluation after user edit action
|
||||
public static final int EVAL_DELAY_MILLIS = 0;
|
||||
|
||||
@NotNull
|
||||
private CalculatorEditor editor;
|
||||
|
||||
@NotNull
|
||||
private AndroidCalculatorDisplayView display;
|
||||
|
||||
@NotNull
|
||||
private CalculatorEngine calculatorEngine;
|
||||
|
||||
public CalculatorModel init(@NotNull final Activity activity, @NotNull SharedPreferences preferences, @NotNull CalculatorEngine calculator) {
|
||||
Log.d(this.getClass().getName(), "CalculatorModel initialization with activity: " + activity);
|
||||
this.calculatorEngine = calculator;
|
||||
|
||||
this.editor = (CalculatorEditor) activity.findViewById(R.id.calculatorEditor);
|
||||
this.editor.init(preferences);
|
||||
preferences.registerOnSharedPreferenceChangeListener(editor);
|
||||
|
||||
this.display = (AndroidCalculatorDisplayView) activity.findViewById(R.id.calculatorDisplay);
|
||||
this.display.setOnClickListener(new CalculatorDisplayOnClickListener(activity));
|
||||
|
||||
final CalculatorHistoryState lastState = AndroidCalculatorHistoryImpl.instance.getLastHistoryState();
|
||||
if (lastState == null) {
|
||||
saveHistoryState();
|
||||
} else {
|
||||
setCurrentHistoryState(lastState);
|
||||
}
|
||||
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
private static void showEvaluationError(@NotNull Activity activity, @NotNull final String errorMessage) {
|
||||
final LayoutInflater layoutInflater = (LayoutInflater) activity.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
|
||||
|
||||
final View errorMessageView = layoutInflater.inflate(R.layout.display_error_message, null);
|
||||
((TextView) errorMessageView.findViewById(R.id.error_message_text_view)).setText(errorMessage);
|
||||
|
||||
final AlertDialog.Builder builder = new AlertDialog.Builder(activity)
|
||||
.setPositiveButton(R.string.c_cancel, null)
|
||||
.setView(errorMessageView);
|
||||
|
||||
builder.create().show();
|
||||
}
|
||||
|
||||
public void copyResult(@NotNull Context context) {
|
||||
copyResult(context, display);
|
||||
}
|
||||
|
||||
public static void copyResult(@NotNull Context context, @NotNull final CalculatorDisplayViewState viewState) {
|
||||
if (viewState.isValid()) {
|
||||
final CharSequence text = viewState.getText();
|
||||
if (!StringUtils.isEmpty(text)) {
|
||||
final ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Activity.CLIPBOARD_SERVICE);
|
||||
clipboard.setText(text.toString());
|
||||
Toast.makeText(context, context.getText(R.string.c_result_copied), Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void saveHistoryState() {
|
||||
AndroidCalculatorHistoryImpl.instance.addState(getCurrentHistoryState());
|
||||
}
|
||||
|
||||
public void setCursorOnStart() {
|
||||
editor.setSelection(0);
|
||||
}
|
||||
|
||||
public void setCursorOnEnd() {
|
||||
editor.setSelection(editor.getText().length());
|
||||
}
|
||||
|
||||
public void moveCursorLeft() {
|
||||
if (editor.getSelectionStart() > 0) {
|
||||
editor.setSelection(editor.getSelectionStart() - 1);
|
||||
}
|
||||
}
|
||||
|
||||
public void moveCursorRight() {
|
||||
if (editor.getSelectionStart() < editor.getText().length()) {
|
||||
editor.setSelection(editor.getSelectionStart() + 1);
|
||||
}
|
||||
}
|
||||
|
||||
public void doTextOperation(@NotNull TextOperation operation) {
|
||||
doTextOperation(operation, true);
|
||||
}
|
||||
|
||||
public void doTextOperation(@NotNull TextOperation operation, boolean delayEvaluate) {
|
||||
doTextOperation(operation, delayEvaluate, JsclOperation.numeric, false);
|
||||
}
|
||||
|
||||
public void doTextOperation(@NotNull TextOperation operation, boolean delayEvaluate, @NotNull JsclOperation jsclOperation, boolean forceEval) {
|
||||
final String editorStateBefore = this.editor.getText().toString();
|
||||
|
||||
Log.d(CalculatorModel.class.getName(), "Editor state changed before '" + editorStateBefore + "'");
|
||||
operation.doOperation(this.editor);
|
||||
//Log.d(CalculatorModel.class.getName(), "Doing text operation" + StringUtils.fromStackTrace(Thread.currentThread().getStackTrace()));
|
||||
|
||||
final String editorStateAfter = this.editor.getText().toString();
|
||||
if (forceEval ||!editorStateBefore.equals(editorStateAfter)) {
|
||||
|
||||
editor.redraw();
|
||||
|
||||
evaluate(delayEvaluate, editorStateAfter, jsclOperation, null);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private final static MutableObject<Runnable> pendingOperation = new MutableObject<Runnable>();
|
||||
|
||||
private void evaluate(boolean delayEvaluate,
|
||||
@NotNull final String expression,
|
||||
@NotNull final JsclOperation operation,
|
||||
@Nullable CalculatorHistoryState historyState) {
|
||||
|
||||
final CalculatorHistoryState localHistoryState;
|
||||
if (historyState == null) {
|
||||
//this.display.setText("");
|
||||
localHistoryState = getCurrentHistoryState();
|
||||
} else {
|
||||
this.display.setText(historyState.getDisplayState().getEditorState().getText());
|
||||
localHistoryState = historyState;
|
||||
}
|
||||
|
||||
pendingOperation.setObject(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
// allow only one runner at one time
|
||||
synchronized (pendingOperation) {
|
||||
//lock all operations with history
|
||||
if (pendingOperation.getObject() == this) {
|
||||
// actually nothing shall be logged while text operations are done
|
||||
evaluate(expression, operation, this);
|
||||
|
||||
if (pendingOperation.getObject() == this) {
|
||||
// todo serso: of course there is small probability that someone will set pendingOperation after if statement but before .setObject(null)
|
||||
pendingOperation.setObject(null);
|
||||
localHistoryState.setDisplayState(getCurrentHistoryState().getDisplayState());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
if (delayEvaluate) {
|
||||
if (historyState == null) {
|
||||
AndroidCalculatorHistoryImpl.instance.addState(localHistoryState);
|
||||
}
|
||||
// todo serso: this is not correct - operation is processing still in the same thread
|
||||
new Handler().postDelayed(pendingOperation.getObject(), EVAL_DELAY_MILLIS);
|
||||
} else {
|
||||
pendingOperation.getObject().run();
|
||||
if (historyState == null) {
|
||||
AndroidCalculatorHistoryImpl.instance.addState(localHistoryState);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void evaluate() {
|
||||
evaluate(false, this.editor.getText().toString(), JsclOperation.numeric, null);
|
||||
}
|
||||
|
||||
public void evaluate(@NotNull JsclOperation operation) {
|
||||
evaluate(false, this.editor.getText().toString(), operation, null);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void simplify() {
|
||||
evaluate(false, this.editor.getText().toString(), JsclOperation.simplify, null);
|
||||
}
|
||||
|
||||
private void evaluate(@Nullable final String expression,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull Runnable currentRunner) {
|
||||
|
||||
if (!StringUtils.isEmpty(expression)) {
|
||||
try {
|
||||
Log.d(CalculatorModel.class.getName(), "Trying to evaluate '" + operation + "': " + expression /*+ StringUtils.fromStackTrace(Thread.currentThread().getStackTrace())*/);
|
||||
final CalculatorOutput result = calculatorEngine.evaluate(operation, expression);
|
||||
|
||||
// todo serso: second condition might replaced with expression.equals(this.editor.getText().toString()) ONLY if expression will be formatted with text highlighter
|
||||
if (currentRunner == pendingOperation.getObject() && this.editor.getText().length() > 0) {
|
||||
display.setText(result.getStringResult());
|
||||
} else {
|
||||
display.setText("");
|
||||
}
|
||||
display.setJsclOperation(result.getOperation());
|
||||
display.setGenericResult(result.getResult());
|
||||
} catch (CalculatorParseException e) {
|
||||
handleEvaluationException(expression, display, operation, e);
|
||||
} catch (CalculatorEvalException e) {
|
||||
handleEvaluationException(expression, display, operation, e);
|
||||
}
|
||||
} else {
|
||||
this.display.setText("");
|
||||
this.display.setJsclOperation(operation);
|
||||
this.display.setGenericResult(null);
|
||||
}
|
||||
|
||||
|
||||
|
||||
this.display.redraw();
|
||||
}
|
||||
|
||||
private void handleEvaluationException(@NotNull String expression,
|
||||
@NotNull AndroidCalculatorDisplayView localDisplay,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull Message e) {
|
||||
Log.d(CalculatorModel.class.getName(), "Evaluation failed for : " + expression + ". Error message: " + e);
|
||||
if ( StringUtils.isEmpty(localDisplay.getText()) ) {
|
||||
// if previous display state was empty -> show error
|
||||
localDisplay.setText(R.string.c_syntax_error);
|
||||
} else {
|
||||
// show previous result instead of error caption (actually previous result will be greyed)
|
||||
}
|
||||
localDisplay.setJsclOperation(operation);
|
||||
localDisplay.setGenericResult(null);
|
||||
localDisplay.setValid(false);
|
||||
localDisplay.setErrorMessage(e.getLocalizedMessage());
|
||||
}
|
||||
|
||||
public void clear() {
|
||||
if (!StringUtils.isEmpty(editor.getText()) || !StringUtils.isEmpty(display.getText())) {
|
||||
editor.getText().clear();
|
||||
display.setText("");
|
||||
saveHistoryState();
|
||||
}
|
||||
}
|
||||
|
||||
public void processDigitButtonAction(@Nullable final String text) {
|
||||
processDigitButtonAction(text, true);
|
||||
}
|
||||
|
||||
public void processDigitButtonAction(@Nullable final String text, boolean delayEvaluate) {
|
||||
|
||||
if (!StringUtils.isEmpty(text)) {
|
||||
doTextOperation(new CalculatorModel.TextOperation() {
|
||||
|
||||
@Override
|
||||
public void doOperation(@NotNull EditText editor) {
|
||||
int cursorPositionOffset = 0;
|
||||
final StringBuilder textToBeInserted = new StringBuilder(text);
|
||||
|
||||
final MathType.Result mathType = MathType.getType(text, 0, false);
|
||||
switch (mathType.getMathType()) {
|
||||
case function:
|
||||
textToBeInserted.append("()");
|
||||
cursorPositionOffset = -1;
|
||||
break;
|
||||
case operator:
|
||||
textToBeInserted.append("()");
|
||||
cursorPositionOffset = -1;
|
||||
break;
|
||||
case comma:
|
||||
textToBeInserted.append(" ");
|
||||
break;
|
||||
}
|
||||
|
||||
if (cursorPositionOffset == 0) {
|
||||
if (MathType.openGroupSymbols.contains(text)) {
|
||||
cursorPositionOffset = -1;
|
||||
}
|
||||
}
|
||||
|
||||
editor.getText().insert(editor.getSelectionStart(), textToBeInserted.toString());
|
||||
editor.setSelection(editor.getSelectionStart() + cursorPositionOffset, editor.getSelectionEnd() + cursorPositionOffset);
|
||||
}
|
||||
}, delayEvaluate);
|
||||
}
|
||||
}
|
||||
|
||||
public static interface TextOperation {
|
||||
|
||||
void doOperation(@NotNull EditText editor);
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void doHistoryAction(@NotNull HistoryAction historyAction) {
|
||||
synchronized (AndroidCalculatorHistoryImpl.instance) {
|
||||
if (AndroidCalculatorHistoryImpl.instance.isActionAvailable(historyAction)) {
|
||||
final CalculatorHistoryState newState = AndroidCalculatorHistoryImpl.instance.doAction(historyAction, getCurrentHistoryState());
|
||||
if (newState != null) {
|
||||
setCurrentHistoryState(newState);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setCurrentHistoryState(@NotNull CalculatorHistoryState editorHistoryState) {
|
||||
synchronized (AndroidCalculatorHistoryImpl.instance) {
|
||||
Log.d(this.getClass().getName(), "Saved history found: " + editorHistoryState);
|
||||
|
||||
editorHistoryState.setValuesFromHistory(new TextViewEditorAdapter(this.editor), this.display);
|
||||
|
||||
final String expression = this.editor.getText().toString();
|
||||
if ( !StringUtils.isEmpty(expression) ) {
|
||||
if ( StringUtils.isEmpty(this.display.getText().toString()) ) {
|
||||
evaluate(false, expression, this.display.getJsclOperation(), editorHistoryState);
|
||||
}
|
||||
}
|
||||
|
||||
editor.redraw();
|
||||
display.redraw();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
@NotNull
|
||||
public CalculatorHistoryState getCurrentHistoryState() {
|
||||
synchronized (AndroidCalculatorHistoryImpl.instance) {
|
||||
return CalculatorHistoryState.newInstance(new TextViewEditorAdapter(this.editor), this.display);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
public AndroidCalculatorDisplayView getDisplay() {
|
||||
return display;
|
||||
}
|
||||
|
||||
private static class CalculatorDisplayOnClickListener implements View.OnClickListener {
|
||||
|
||||
@NotNull
|
||||
private final Activity activity;
|
||||
|
||||
public CalculatorDisplayOnClickListener(@NotNull Activity activity) {
|
||||
this.activity = activity;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
if (v instanceof CalculatorDisplayView) {
|
||||
final CalculatorDisplay cd = CalculatorLocatorImpl.getInstance().getCalculatorDisplay();
|
||||
|
||||
final CalculatorDisplayViewState displayViewState = cd.getViewState();
|
||||
|
||||
if (displayViewState.isValid()) {
|
||||
final List<AndroidCalculatorDisplayView.MenuItem> filteredMenuItems = new ArrayList<AndroidCalculatorDisplayView.MenuItem>(AndroidCalculatorDisplayView.MenuItem.values().length);
|
||||
for (AndroidCalculatorDisplayView.MenuItem menuItem : AndroidCalculatorDisplayView.MenuItem.values()) {
|
||||
if (menuItem.isItemVisible(displayViewState)) {
|
||||
filteredMenuItems.add(menuItem);
|
||||
}
|
||||
}
|
||||
|
||||
if (!filteredMenuItems.isEmpty()) {
|
||||
AMenuBuilder.newInstance(activity, MenuImpl.newInstance(filteredMenuItems)).create(cd).show();
|
||||
}
|
||||
|
||||
} else {
|
||||
final String errorMessage = displayViewState.getErrorMessage();
|
||||
if (errorMessage != null) {
|
||||
showEvaluationError(activity, errorMessage);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
/*
|
||||
* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
|
||||
* For more information, please, contact se.solovyev@gmail.com
|
||||
*/
|
||||
|
||||
package org.solovyev.android.calculator;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.app.AlertDialog;
|
||||
import android.content.Context;
|
||||
import android.content.SharedPreferences;
|
||||
import android.os.Handler;
|
||||
import android.text.ClipboardManager;
|
||||
import android.util.Log;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.widget.EditText;
|
||||
import android.widget.TextView;
|
||||
import android.widget.Toast;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
import org.solovyev.android.CursorControl;
|
||||
import org.solovyev.android.calculator.history.AndroidCalculatorHistoryImpl;
|
||||
import org.solovyev.android.calculator.history.CalculatorHistoryState;
|
||||
import org.solovyev.android.calculator.history.TextViewEditorAdapter;
|
||||
import org.solovyev.android.calculator.jscl.JsclOperation;
|
||||
import org.solovyev.android.calculator.math.MathType;
|
||||
import org.solovyev.android.calculator.model.CalculatorEngine;
|
||||
import org.solovyev.android.history.HistoryControl;
|
||||
import org.solovyev.android.menu.AMenuBuilder;
|
||||
import org.solovyev.android.menu.MenuImpl;
|
||||
import org.solovyev.common.MutableObject;
|
||||
import org.solovyev.common.history.HistoryAction;
|
||||
import org.solovyev.common.msg.Message;
|
||||
import org.solovyev.common.text.StringUtils;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 9/12/11
|
||||
* Time: 11:15 PM
|
||||
*/
|
||||
public enum CalculatorModel implements CursorControl, HistoryControl<CalculatorHistoryState>, CalculatorEngineControl {
|
||||
|
||||
instance;
|
||||
|
||||
// millis to wait before evaluation after user edit action
|
||||
public static final int EVAL_DELAY_MILLIS = 0;
|
||||
|
||||
@NotNull
|
||||
private CalculatorEditor editor;
|
||||
|
||||
@NotNull
|
||||
private AndroidCalculatorDisplayView display;
|
||||
|
||||
@NotNull
|
||||
private CalculatorEngine calculatorEngine;
|
||||
|
||||
public CalculatorModel init(@NotNull final Activity activity, @NotNull SharedPreferences preferences, @NotNull CalculatorEngine calculator) {
|
||||
Log.d(this.getClass().getName(), "CalculatorModel initialization with activity: " + activity);
|
||||
this.calculatorEngine = calculator;
|
||||
|
||||
this.editor = (CalculatorEditor) activity.findViewById(R.id.calculatorEditor);
|
||||
this.editor.init(preferences);
|
||||
preferences.registerOnSharedPreferenceChangeListener(editor);
|
||||
|
||||
this.display = (AndroidCalculatorDisplayView) activity.findViewById(R.id.calculatorDisplay);
|
||||
this.display.setOnClickListener(new CalculatorDisplayOnClickListener(activity));
|
||||
|
||||
final CalculatorHistoryState lastState = AndroidCalculatorHistoryImpl.instance.getLastHistoryState();
|
||||
if (lastState == null) {
|
||||
saveHistoryState();
|
||||
} else {
|
||||
setCurrentHistoryState(lastState);
|
||||
}
|
||||
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
private static void showEvaluationError(@NotNull Activity activity, @NotNull final String errorMessage) {
|
||||
final LayoutInflater layoutInflater = (LayoutInflater) activity.getSystemService(Activity.LAYOUT_INFLATER_SERVICE);
|
||||
|
||||
final View errorMessageView = layoutInflater.inflate(R.layout.display_error_message, null);
|
||||
((TextView) errorMessageView.findViewById(R.id.error_message_text_view)).setText(errorMessage);
|
||||
|
||||
final AlertDialog.Builder builder = new AlertDialog.Builder(activity)
|
||||
.setPositiveButton(R.string.c_cancel, null)
|
||||
.setView(errorMessageView);
|
||||
|
||||
builder.create().show();
|
||||
}
|
||||
|
||||
public void copyResult(@NotNull Context context) {
|
||||
copyResult(context, display);
|
||||
}
|
||||
|
||||
public static void copyResult(@NotNull Context context, @NotNull final CalculatorDisplayView display) {
|
||||
final CalculatorDisplayViewState displayViewState = display.getState();
|
||||
if (displayViewState.isValid()) {
|
||||
final CharSequence text = display.getText();
|
||||
if (!StringUtils.isEmpty(text)) {
|
||||
final ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Activity.CLIPBOARD_SERVICE);
|
||||
clipboard.setText(text.toString());
|
||||
Toast.makeText(context, context.getText(R.string.c_result_copied), Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void saveHistoryState() {
|
||||
AndroidCalculatorHistoryImpl.instance.addState(getCurrentHistoryState());
|
||||
}
|
||||
|
||||
public void setCursorOnStart() {
|
||||
editor.setSelection(0);
|
||||
}
|
||||
|
||||
public void setCursorOnEnd() {
|
||||
editor.setSelection(editor.getText().length());
|
||||
}
|
||||
|
||||
public void moveCursorLeft() {
|
||||
if (editor.getSelectionStart() > 0) {
|
||||
editor.setSelection(editor.getSelectionStart() - 1);
|
||||
}
|
||||
}
|
||||
|
||||
public void moveCursorRight() {
|
||||
if (editor.getSelectionStart() < editor.getText().length()) {
|
||||
editor.setSelection(editor.getSelectionStart() + 1);
|
||||
}
|
||||
}
|
||||
|
||||
public void doTextOperation(@NotNull TextOperation operation) {
|
||||
doTextOperation(operation, true);
|
||||
}
|
||||
|
||||
public void doTextOperation(@NotNull TextOperation operation, boolean delayEvaluate) {
|
||||
doTextOperation(operation, delayEvaluate, JsclOperation.numeric, false);
|
||||
}
|
||||
|
||||
public void doTextOperation(@NotNull TextOperation operation, boolean delayEvaluate, @NotNull JsclOperation jsclOperation, boolean forceEval) {
|
||||
final String editorStateBefore = this.editor.getText().toString();
|
||||
|
||||
Log.d(CalculatorModel.class.getName(), "Editor state changed before '" + editorStateBefore + "'");
|
||||
operation.doOperation(this.editor);
|
||||
//Log.d(CalculatorModel.class.getName(), "Doing text operation" + StringUtils.fromStackTrace(Thread.currentThread().getStackTrace()));
|
||||
|
||||
final String editorStateAfter = this.editor.getText().toString();
|
||||
if (forceEval ||!editorStateBefore.equals(editorStateAfter)) {
|
||||
|
||||
editor.redraw();
|
||||
|
||||
evaluate(delayEvaluate, editorStateAfter, jsclOperation, null);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private final static MutableObject<Runnable> pendingOperation = new MutableObject<Runnable>();
|
||||
|
||||
private void evaluate(boolean delayEvaluate,
|
||||
@NotNull final String expression,
|
||||
@NotNull final JsclOperation operation,
|
||||
@Nullable CalculatorHistoryState historyState) {
|
||||
|
||||
final CalculatorHistoryState localHistoryState;
|
||||
if (historyState == null) {
|
||||
//this.display.setText("");
|
||||
localHistoryState = getCurrentHistoryState();
|
||||
} else {
|
||||
this.display.setText(historyState.getDisplayState().getEditorState().getText());
|
||||
localHistoryState = historyState;
|
||||
}
|
||||
|
||||
pendingOperation.setObject(new Runnable() {
|
||||
@Override
|
||||
public void run() {
|
||||
// allow only one runner at one time
|
||||
synchronized (pendingOperation) {
|
||||
//lock all operations with history
|
||||
if (pendingOperation.getObject() == this) {
|
||||
// actually nothing shall be logged while text operations are done
|
||||
evaluate(expression, operation, this);
|
||||
|
||||
if (pendingOperation.getObject() == this) {
|
||||
// todo serso: of course there is small probability that someone will set pendingOperation after if statement but before .setObject(null)
|
||||
pendingOperation.setObject(null);
|
||||
localHistoryState.setDisplayState(getCurrentHistoryState().getDisplayState());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
if (delayEvaluate) {
|
||||
if (historyState == null) {
|
||||
AndroidCalculatorHistoryImpl.instance.addState(localHistoryState);
|
||||
}
|
||||
// todo serso: this is not correct - operation is processing still in the same thread
|
||||
new Handler().postDelayed(pendingOperation.getObject(), EVAL_DELAY_MILLIS);
|
||||
} else {
|
||||
pendingOperation.getObject().run();
|
||||
if (historyState == null) {
|
||||
AndroidCalculatorHistoryImpl.instance.addState(localHistoryState);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void evaluate() {
|
||||
evaluate(false, this.editor.getText().toString(), JsclOperation.numeric, null);
|
||||
}
|
||||
|
||||
public void evaluate(@NotNull JsclOperation operation) {
|
||||
evaluate(false, this.editor.getText().toString(), operation, null);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void simplify() {
|
||||
evaluate(false, this.editor.getText().toString(), JsclOperation.simplify, null);
|
||||
}
|
||||
|
||||
private void evaluate(@Nullable final String expression,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull Runnable currentRunner) {
|
||||
|
||||
if (!StringUtils.isEmpty(expression)) {
|
||||
try {
|
||||
Log.d(CalculatorModel.class.getName(), "Trying to evaluate '" + operation + "': " + expression /*+ StringUtils.fromStackTrace(Thread.currentThread().getStackTrace())*/);
|
||||
final CalculatorOutput result = calculatorEngine.evaluate(operation, expression);
|
||||
|
||||
// todo serso: second condition might replaced with expression.equals(this.editor.getText().toString()) ONLY if expression will be formatted with text highlighter
|
||||
if (currentRunner == pendingOperation.getObject() && this.editor.getText().length() > 0) {
|
||||
display.setText(result.getStringResult());
|
||||
} else {
|
||||
display.setText("");
|
||||
}
|
||||
display.setJsclOperation(result.getOperation());
|
||||
display.setGenericResult(result.getResult());
|
||||
} catch (CalculatorParseException e) {
|
||||
handleEvaluationException(expression, display, operation, e);
|
||||
} catch (CalculatorEvalException e) {
|
||||
handleEvaluationException(expression, display, operation, e);
|
||||
}
|
||||
} else {
|
||||
this.display.setText("");
|
||||
this.display.setJsclOperation(operation);
|
||||
this.display.setGenericResult(null);
|
||||
}
|
||||
|
||||
|
||||
|
||||
this.display.redraw();
|
||||
}
|
||||
|
||||
private void handleEvaluationException(@NotNull String expression,
|
||||
@NotNull AndroidCalculatorDisplayView localDisplay,
|
||||
@NotNull JsclOperation operation,
|
||||
@NotNull Message e) {
|
||||
Log.d(CalculatorModel.class.getName(), "Evaluation failed for : " + expression + ". Error message: " + e);
|
||||
if ( StringUtils.isEmpty(localDisplay.getText()) ) {
|
||||
// if previous display state was empty -> show error
|
||||
localDisplay.setText(R.string.c_syntax_error);
|
||||
} else {
|
||||
// show previous result instead of error caption (actually previous result will be greyed)
|
||||
}
|
||||
localDisplay.setJsclOperation(operation);
|
||||
localDisplay.setGenericResult(null);
|
||||
localDisplay.setValid(false);
|
||||
localDisplay.setErrorMessage(e.getLocalizedMessage());
|
||||
}
|
||||
|
||||
public void clear() {
|
||||
if (!StringUtils.isEmpty(editor.getText()) || !StringUtils.isEmpty(display.getText())) {
|
||||
editor.getText().clear();
|
||||
display.setText("");
|
||||
saveHistoryState();
|
||||
}
|
||||
}
|
||||
|
||||
public void processDigitButtonAction(@Nullable final String text) {
|
||||
processDigitButtonAction(text, true);
|
||||
}
|
||||
|
||||
public void processDigitButtonAction(@Nullable final String text, boolean delayEvaluate) {
|
||||
|
||||
if (!StringUtils.isEmpty(text)) {
|
||||
doTextOperation(new CalculatorModel.TextOperation() {
|
||||
|
||||
@Override
|
||||
public void doOperation(@NotNull EditText editor) {
|
||||
int cursorPositionOffset = 0;
|
||||
final StringBuilder textToBeInserted = new StringBuilder(text);
|
||||
|
||||
final MathType.Result mathType = MathType.getType(text, 0, false);
|
||||
switch (mathType.getMathType()) {
|
||||
case function:
|
||||
textToBeInserted.append("()");
|
||||
cursorPositionOffset = -1;
|
||||
break;
|
||||
case operator:
|
||||
textToBeInserted.append("()");
|
||||
cursorPositionOffset = -1;
|
||||
break;
|
||||
case comma:
|
||||
textToBeInserted.append(" ");
|
||||
break;
|
||||
}
|
||||
|
||||
if (cursorPositionOffset == 0) {
|
||||
if (MathType.openGroupSymbols.contains(text)) {
|
||||
cursorPositionOffset = -1;
|
||||
}
|
||||
}
|
||||
|
||||
editor.getText().insert(editor.getSelectionStart(), textToBeInserted.toString());
|
||||
editor.setSelection(editor.getSelectionStart() + cursorPositionOffset, editor.getSelectionEnd() + cursorPositionOffset);
|
||||
}
|
||||
}, delayEvaluate);
|
||||
}
|
||||
}
|
||||
|
||||
public static interface TextOperation {
|
||||
|
||||
void doOperation(@NotNull EditText editor);
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public void doHistoryAction(@NotNull HistoryAction historyAction) {
|
||||
synchronized (AndroidCalculatorHistoryImpl.instance) {
|
||||
if (AndroidCalculatorHistoryImpl.instance.isActionAvailable(historyAction)) {
|
||||
final CalculatorHistoryState newState = AndroidCalculatorHistoryImpl.instance.doAction(historyAction, getCurrentHistoryState());
|
||||
if (newState != null) {
|
||||
setCurrentHistoryState(newState);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void setCurrentHistoryState(@NotNull CalculatorHistoryState editorHistoryState) {
|
||||
synchronized (AndroidCalculatorHistoryImpl.instance) {
|
||||
Log.d(this.getClass().getName(), "Saved history found: " + editorHistoryState);
|
||||
|
||||
editorHistoryState.setValuesFromHistory(new TextViewEditorAdapter(this.editor), this.display);
|
||||
|
||||
final String expression = this.editor.getText().toString();
|
||||
if ( !StringUtils.isEmpty(expression) ) {
|
||||
if ( StringUtils.isEmpty(this.display.getText().toString()) ) {
|
||||
evaluate(false, expression, this.display.getJsclOperation(), editorHistoryState);
|
||||
}
|
||||
}
|
||||
|
||||
editor.redraw();
|
||||
display.redraw();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
@NotNull
|
||||
public CalculatorHistoryState getCurrentHistoryState() {
|
||||
synchronized (AndroidCalculatorHistoryImpl.instance) {
|
||||
return CalculatorHistoryState.newInstance(new TextViewEditorAdapter(this.editor), this.display);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
public AndroidCalculatorDisplayView getDisplay() {
|
||||
return display;
|
||||
}
|
||||
|
||||
private static class CalculatorDisplayOnClickListener implements View.OnClickListener {
|
||||
|
||||
@NotNull
|
||||
private final Activity activity;
|
||||
|
||||
public CalculatorDisplayOnClickListener(@NotNull Activity activity) {
|
||||
this.activity = activity;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
if (v instanceof CalculatorDisplayView) {
|
||||
final CalculatorDisplay cd = CalculatorLocatorImpl.getInstance().getCalculatorDisplay();
|
||||
|
||||
final CalculatorDisplayViewState displayViewState = cd.getViewState();
|
||||
|
||||
if (displayViewState.isValid()) {
|
||||
final List<AndroidCalculatorDisplayView.MenuItem> filteredMenuItems = new ArrayList<AndroidCalculatorDisplayView.MenuItem>(AndroidCalculatorDisplayView.MenuItem.values().length);
|
||||
for (AndroidCalculatorDisplayView.MenuItem menuItem : AndroidCalculatorDisplayView.MenuItem.values()) {
|
||||
if (menuItem.isItemVisible(displayViewState)) {
|
||||
filteredMenuItems.add(menuItem);
|
||||
}
|
||||
}
|
||||
|
||||
if (!filteredMenuItems.isEmpty()) {
|
||||
AMenuBuilder.newInstance(activity, MenuImpl.newInstance(filteredMenuItems)).create(cd).show();
|
||||
}
|
||||
|
||||
} else {
|
||||
final String errorMessage = displayViewState.getErrorMessage();
|
||||
if (errorMessage != null) {
|
||||
showEvaluationError(activity, errorMessage);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -1,63 +0,0 @@
|
||||
package org.solovyev.android.calculator;
|
||||
|
||||
import android.content.Context;
|
||||
import jscl.NumeralBase;
|
||||
import jscl.math.Generic;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.solovyev.android.calculator.jscl.JsclOperation;
|
||||
import org.solovyev.android.calculator.model.CalculatorEngine;
|
||||
import org.solovyev.android.menu.AMenuItem;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 9/21/12
|
||||
* Time: 12:11 AM
|
||||
*/
|
||||
enum ConversionMenuItem implements AMenuItem<CalculatorDisplayViewState> {
|
||||
|
||||
convert_to_bin(NumeralBase.bin),
|
||||
convert_to_dec(NumeralBase.dec),
|
||||
convert_to_hex(NumeralBase.hex);
|
||||
|
||||
@NotNull
|
||||
private final NumeralBase toNumeralBase;
|
||||
|
||||
ConversionMenuItem(@NotNull NumeralBase toNumeralBase) {
|
||||
this.toNumeralBase = toNumeralBase;
|
||||
}
|
||||
|
||||
protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
||||
boolean result = false;
|
||||
|
||||
if (operation == JsclOperation.numeric) {
|
||||
if (generic.getConstants().isEmpty()) {
|
||||
try {
|
||||
convert(generic);
|
||||
|
||||
// conversion possible => return true
|
||||
result = true;
|
||||
|
||||
} catch (CalculatorImpl.ConversionException e) {
|
||||
// conversion is not possible => return false
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
||||
final NumeralBase fromNumeralBase = CalculatorEngine.instance.getEngine().getNumeralBase();
|
||||
|
||||
final Generic lastResult = data.getResult();
|
||||
|
||||
if (lastResult != null) {
|
||||
convert(lastResult);
|
||||
}
|
||||
}
|
||||
|
||||
private void convert(@NotNull Generic generic) {
|
||||
CalculatorLocatorImpl.getInstance().getCalculator().convert(generic, this.toNumeralBase);
|
||||
}
|
||||
}
|
@ -1,224 +1,259 @@
|
||||
package org.solovyev.android.calculator.view;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.text.ClipboardManager;
|
||||
import android.text.Editable;
|
||||
import android.text.TextWatcher;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup;
|
||||
import android.widget.*;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
import org.solovyev.android.calculator.CalculatorImpl;
|
||||
import org.solovyev.math.units.Unit;
|
||||
import org.solovyev.math.units.UnitConverter;
|
||||
import org.solovyev.math.units.UnitImpl;
|
||||
import org.solovyev.math.units.UnitType;
|
||||
import org.solovyev.android.calculator.R;
|
||||
import org.solovyev.android.view.ViewBuilder;
|
||||
import org.solovyev.android.view.ViewFromLayoutBuilder;
|
||||
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 4/20/12
|
||||
* Time: 4:50 PM
|
||||
*/
|
||||
public class UnitConverterViewBuilder implements ViewBuilder<View> {
|
||||
|
||||
@NotNull
|
||||
private List<? extends UnitType<String>> fromUnitTypes = Collections.emptyList();
|
||||
|
||||
@NotNull
|
||||
private List<? extends UnitType<String>> toUnitTypes = Collections.emptyList();
|
||||
|
||||
@Nullable
|
||||
private Unit<String> fromValue;
|
||||
|
||||
@NotNull
|
||||
private UnitConverter<String> converter = UnitConverter.Dummy.getInstance();
|
||||
|
||||
@Nullable
|
||||
private View.OnClickListener okButtonOnClickListener;
|
||||
|
||||
@Nullable
|
||||
private CustomButtonData customButtonData;
|
||||
|
||||
public void setFromUnitTypes(@NotNull List<? extends UnitType<String>> fromUnitTypes) {
|
||||
this.fromUnitTypes = fromUnitTypes;
|
||||
}
|
||||
|
||||
public void setToUnitTypes(@NotNull List<? extends UnitType<String>> toUnitTypes) {
|
||||
this.toUnitTypes = toUnitTypes;
|
||||
}
|
||||
|
||||
public void setFromValue(@Nullable Unit<String> fromValue) {
|
||||
this.fromValue = fromValue;
|
||||
}
|
||||
|
||||
public void setConverter(@NotNull UnitConverter<String> converter) {
|
||||
this.converter = converter;
|
||||
}
|
||||
|
||||
public void setOkButtonOnClickListener(@Nullable View.OnClickListener okButtonOnClickListener) {
|
||||
this.okButtonOnClickListener = okButtonOnClickListener;
|
||||
}
|
||||
|
||||
public void setCustomButtonData(@Nullable CustomButtonData customButtonData) {
|
||||
this.customButtonData = customButtonData;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public View build(@NotNull final Context context) {
|
||||
final View main = ViewFromLayoutBuilder.newInstance(R.layout.unit_converter).build(context);
|
||||
|
||||
final Spinner fromSpinner = (Spinner) main.findViewById(R.id.unit_types_from);
|
||||
final EditText fromEditText = (EditText) main.findViewById(R.id.units_from);
|
||||
fromEditText.addTextChangedListener(new TextWatcher() {
|
||||
@Override
|
||||
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onTextChanged(CharSequence s, int start, int before, int count) {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void afterTextChanged(Editable s) {
|
||||
doConversion(main, context, UnitConverterViewBuilder.this.converter);
|
||||
}
|
||||
});
|
||||
|
||||
fillSpinner(main, context, R.id.unit_types_from, fromUnitTypes);
|
||||
fillSpinner(main, context, R.id.unit_types_to, toUnitTypes);
|
||||
|
||||
if (fromValue != null) {
|
||||
fromEditText.setText(fromValue.getValue());
|
||||
|
||||
int i = fromUnitTypes.indexOf(fromValue.getUnitType());
|
||||
if ( i >= 0 ) {
|
||||
fromSpinner.setSelection(i);
|
||||
}
|
||||
}
|
||||
|
||||
final Button copyButton = (Button) main.findViewById(R.id.unit_converter_copy_button);
|
||||
copyButton.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
final EditText toEditText = (EditText) main.findViewById(R.id.units_to);
|
||||
|
||||
final ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Activity.CLIPBOARD_SERVICE);
|
||||
clipboard.setText(toEditText.getText().toString());
|
||||
Toast.makeText(context, context.getText(R.string.c_result_copied), Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
});
|
||||
|
||||
final Button okButton = (Button) main.findViewById(R.id.unit_converter_ok_button);
|
||||
if ( okButtonOnClickListener == null ) {
|
||||
((ViewGroup) okButton.getParent()).removeView(okButton);
|
||||
} else {
|
||||
okButton.setOnClickListener(this.okButtonOnClickListener);
|
||||
}
|
||||
|
||||
final Button customButton = (Button) main.findViewById(R.id.unit_converter_custom_button);
|
||||
if ( customButtonData == null ) {
|
||||
((ViewGroup) customButton.getParent()).removeView(customButton);
|
||||
} else {
|
||||
customButton.setText(customButtonData.text);
|
||||
customButton.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
customButtonData.clickListener.onClick(getFromUnit(main), getToUnit(main));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
|
||||
return main;
|
||||
}
|
||||
|
||||
private void fillSpinner(@NotNull final View main,
|
||||
@NotNull final Context context,
|
||||
final int spinnerId,
|
||||
@NotNull List<? extends UnitType<String>> unitTypes) {
|
||||
final Spinner spinner = (Spinner) main.findViewById(spinnerId);
|
||||
|
||||
final ArrayAdapter<UnitType<String>> adapter = new ArrayAdapter<UnitType<String>>(context, android.R.layout.simple_spinner_item);
|
||||
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
for (UnitType<String> fromUnitType : unitTypes) {
|
||||
adapter.add(fromUnitType);
|
||||
}
|
||||
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
|
||||
@Override
|
||||
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
|
||||
doConversion(main, context, UnitConverterViewBuilder.this.converter);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onNothingSelected(AdapterView<?> parent) {
|
||||
}
|
||||
});
|
||||
spinner.setAdapter(adapter);
|
||||
}
|
||||
|
||||
private static void doConversion(@NotNull View main, @NotNull Context context, @NotNull UnitConverter<String> converter) {
|
||||
final EditText fromEditText = (EditText) main.findViewById(R.id.units_from);
|
||||
|
||||
final EditText toEditText = (EditText) main.findViewById(R.id.units_to);
|
||||
|
||||
final String from = fromEditText.getText().toString();
|
||||
try {
|
||||
toEditText.setText(CalculatorImpl.doConversion(converter, from, getFromUnitType(main), getToUnitType(main)));
|
||||
} catch (CalculatorImpl.ConversionException e) {
|
||||
toEditText.setText(context.getString(R.string.c_error));
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static Unit<String> getToUnit(@NotNull View main) {
|
||||
final EditText toUnits = (EditText) main.findViewById(R.id.units_to);
|
||||
return UnitImpl.newInstance(toUnits.getText().toString(), getToUnitType(main));
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static UnitType<String> getToUnitType(@NotNull View main) {
|
||||
final Spinner toSpinner = (Spinner) main.findViewById(R.id.unit_types_to);
|
||||
return (UnitType<String>) toSpinner.getSelectedItem();
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static Unit<String> getFromUnit(@NotNull View main) {
|
||||
final EditText fromUnits = (EditText) main.findViewById(R.id.units_from);
|
||||
return UnitImpl.newInstance(fromUnits.getText().toString(), getFromUnitType(main));
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static UnitType<String> getFromUnitType(@NotNull View main) {
|
||||
final Spinner fromSpinner = (Spinner) main.findViewById(R.id.unit_types_from);
|
||||
return (UnitType<String>) fromSpinner.getSelectedItem();
|
||||
}
|
||||
|
||||
public static class CustomButtonData {
|
||||
|
||||
@NotNull
|
||||
private String text;
|
||||
|
||||
@NotNull
|
||||
private CustomButtonOnClickListener clickListener;
|
||||
|
||||
|
||||
public CustomButtonData(@NotNull String text, @NotNull CustomButtonOnClickListener clickListener) {
|
||||
this.text = text;
|
||||
this.clickListener = clickListener;
|
||||
}
|
||||
}
|
||||
|
||||
public static interface CustomButtonOnClickListener {
|
||||
void onClick(@NotNull Unit<String> fromUnits, @NotNull Unit<String> toUnits);
|
||||
}
|
||||
}
|
||||
package org.solovyev.android.calculator.view;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.content.Context;
|
||||
import android.text.ClipboardManager;
|
||||
import android.text.Editable;
|
||||
import android.text.TextWatcher;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup;
|
||||
import android.widget.*;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
import org.solovyev.math.units.Unit;
|
||||
import org.solovyev.math.units.UnitConverter;
|
||||
import org.solovyev.math.units.UnitImpl;
|
||||
import org.solovyev.math.units.UnitType;
|
||||
import org.solovyev.android.calculator.R;
|
||||
import org.solovyev.android.view.ViewBuilder;
|
||||
import org.solovyev.android.view.ViewFromLayoutBuilder;
|
||||
import org.solovyev.common.text.StringUtils;
|
||||
|
||||
import java.util.Collections;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 4/20/12
|
||||
* Time: 4:50 PM
|
||||
*/
|
||||
public class UnitConverterViewBuilder implements ViewBuilder<View> {
|
||||
|
||||
@NotNull
|
||||
private List<? extends UnitType<String>> fromUnitTypes = Collections.emptyList();
|
||||
|
||||
@NotNull
|
||||
private List<? extends UnitType<String>> toUnitTypes = Collections.emptyList();
|
||||
|
||||
@Nullable
|
||||
private Unit<String> fromValue;
|
||||
|
||||
@NotNull
|
||||
private UnitConverter<String> converter = UnitConverter.Dummy.getInstance();
|
||||
|
||||
@Nullable
|
||||
private View.OnClickListener okButtonOnClickListener;
|
||||
|
||||
@Nullable
|
||||
private CustomButtonData customButtonData;
|
||||
|
||||
public void setFromUnitTypes(@NotNull List<? extends UnitType<String>> fromUnitTypes) {
|
||||
this.fromUnitTypes = fromUnitTypes;
|
||||
}
|
||||
|
||||
public void setToUnitTypes(@NotNull List<? extends UnitType<String>> toUnitTypes) {
|
||||
this.toUnitTypes = toUnitTypes;
|
||||
}
|
||||
|
||||
public void setFromValue(@Nullable Unit<String> fromValue) {
|
||||
this.fromValue = fromValue;
|
||||
}
|
||||
|
||||
public void setConverter(@NotNull UnitConverter<String> converter) {
|
||||
this.converter = converter;
|
||||
}
|
||||
|
||||
public void setOkButtonOnClickListener(@Nullable View.OnClickListener okButtonOnClickListener) {
|
||||
this.okButtonOnClickListener = okButtonOnClickListener;
|
||||
}
|
||||
|
||||
public void setCustomButtonData(@Nullable CustomButtonData customButtonData) {
|
||||
this.customButtonData = customButtonData;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
@Override
|
||||
public View build(@NotNull final Context context) {
|
||||
final View main = ViewFromLayoutBuilder.newInstance(R.layout.unit_converter).build(context);
|
||||
|
||||
final Spinner fromSpinner = (Spinner) main.findViewById(R.id.unit_types_from);
|
||||
final EditText fromEditText = (EditText) main.findViewById(R.id.units_from);
|
||||
fromEditText.addTextChangedListener(new TextWatcher() {
|
||||
@Override
|
||||
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onTextChanged(CharSequence s, int start, int before, int count) {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void afterTextChanged(Editable s) {
|
||||
doConversion(main, context, UnitConverterViewBuilder.this.converter);
|
||||
}
|
||||
});
|
||||
|
||||
fillSpinner(main, context, R.id.unit_types_from, fromUnitTypes);
|
||||
fillSpinner(main, context, R.id.unit_types_to, toUnitTypes);
|
||||
|
||||
if (fromValue != null) {
|
||||
fromEditText.setText(fromValue.getValue());
|
||||
|
||||
int i = fromUnitTypes.indexOf(fromValue.getUnitType());
|
||||
if ( i >= 0 ) {
|
||||
fromSpinner.setSelection(i);
|
||||
}
|
||||
}
|
||||
|
||||
final Button copyButton = (Button) main.findViewById(R.id.unit_converter_copy_button);
|
||||
copyButton.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
final EditText toEditText = (EditText) main.findViewById(R.id.units_to);
|
||||
|
||||
final ClipboardManager clipboard = (ClipboardManager) context.getSystemService(Activity.CLIPBOARD_SERVICE);
|
||||
clipboard.setText(toEditText.getText().toString());
|
||||
Toast.makeText(context, context.getText(R.string.c_result_copied), Toast.LENGTH_SHORT).show();
|
||||
}
|
||||
});
|
||||
|
||||
final Button okButton = (Button) main.findViewById(R.id.unit_converter_ok_button);
|
||||
if ( okButtonOnClickListener == null ) {
|
||||
((ViewGroup) okButton.getParent()).removeView(okButton);
|
||||
} else {
|
||||
okButton.setOnClickListener(this.okButtonOnClickListener);
|
||||
}
|
||||
|
||||
final Button customButton = (Button) main.findViewById(R.id.unit_converter_custom_button);
|
||||
if ( customButtonData == null ) {
|
||||
((ViewGroup) customButton.getParent()).removeView(customButton);
|
||||
} else {
|
||||
customButton.setText(customButtonData.text);
|
||||
customButton.setOnClickListener(new View.OnClickListener() {
|
||||
@Override
|
||||
public void onClick(View v) {
|
||||
customButtonData.clickListener.onClick(getFromUnit(main), getToUnit(main));
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
|
||||
|
||||
return main;
|
||||
}
|
||||
|
||||
private void fillSpinner(@NotNull final View main,
|
||||
@NotNull final Context context,
|
||||
final int spinnerId,
|
||||
@NotNull List<? extends UnitType<String>> unitTypes) {
|
||||
final Spinner spinner = (Spinner) main.findViewById(spinnerId);
|
||||
|
||||
final ArrayAdapter<UnitType<String>> adapter = new ArrayAdapter<UnitType<String>>(context, android.R.layout.simple_spinner_item);
|
||||
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
|
||||
for (UnitType<String> fromUnitType : unitTypes) {
|
||||
adapter.add(fromUnitType);
|
||||
}
|
||||
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
|
||||
@Override
|
||||
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
|
||||
doConversion(main, context, UnitConverterViewBuilder.this.converter);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onNothingSelected(AdapterView<?> parent) {
|
||||
}
|
||||
});
|
||||
spinner.setAdapter(adapter);
|
||||
}
|
||||
|
||||
private static void doConversion(@NotNull View main, @NotNull Context context, @NotNull UnitConverter<String> converter) {
|
||||
final EditText fromEditText = (EditText) main.findViewById(R.id.units_from);
|
||||
|
||||
final EditText toEditText = (EditText) main.findViewById(R.id.units_to);
|
||||
|
||||
final String from = fromEditText.getText().toString();
|
||||
try {
|
||||
toEditText.setText(doConversion(converter, from, getFromUnitType(main), getToUnitType(main)));
|
||||
} catch (ConversionException e) {
|
||||
toEditText.setText(context.getString(R.string.c_error));
|
||||
}
|
||||
}
|
||||
|
||||
public static final class ConversionException extends Exception {
|
||||
private ConversionException() {
|
||||
}
|
||||
|
||||
private ConversionException(Throwable throwable) {
|
||||
super(throwable);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
public static String doConversion(@NotNull UnitConverter<String> converter,
|
||||
@Nullable String from,
|
||||
@NotNull UnitType<String> fromUnitType,
|
||||
@NotNull UnitType<String> toUnitType) throws ConversionException{
|
||||
final String result;
|
||||
|
||||
if (StringUtils.isEmpty(from)) {
|
||||
result = "";
|
||||
} else {
|
||||
|
||||
String to = null;
|
||||
try {
|
||||
if (converter.isSupported(fromUnitType, toUnitType)) {
|
||||
to = converter.convert(UnitImpl.newInstance(from, fromUnitType), toUnitType).getValue();
|
||||
}
|
||||
} catch (RuntimeException e) {
|
||||
throw new ConversionException(e);
|
||||
}
|
||||
|
||||
result = to;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static Unit<String> getToUnit(@NotNull View main) {
|
||||
final EditText toUnits = (EditText) main.findViewById(R.id.units_to);
|
||||
return UnitImpl.newInstance(toUnits.getText().toString(), getToUnitType(main));
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static UnitType<String> getToUnitType(@NotNull View main) {
|
||||
final Spinner toSpinner = (Spinner) main.findViewById(R.id.unit_types_to);
|
||||
return (UnitType<String>) toSpinner.getSelectedItem();
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static Unit<String> getFromUnit(@NotNull View main) {
|
||||
final EditText fromUnits = (EditText) main.findViewById(R.id.units_from);
|
||||
return UnitImpl.newInstance(fromUnits.getText().toString(), getFromUnitType(main));
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private static UnitType<String> getFromUnitType(@NotNull View main) {
|
||||
final Spinner fromSpinner = (Spinner) main.findViewById(R.id.unit_types_from);
|
||||
return (UnitType<String>) fromSpinner.getSelectedItem();
|
||||
}
|
||||
|
||||
public static class CustomButtonData {
|
||||
|
||||
@NotNull
|
||||
private String text;
|
||||
|
||||
@NotNull
|
||||
private CustomButtonOnClickListener clickListener;
|
||||
|
||||
|
||||
public CustomButtonData(@NotNull String text, @NotNull CustomButtonOnClickListener clickListener) {
|
||||
this.text = text;
|
||||
this.clickListener = clickListener;
|
||||
}
|
||||
}
|
||||
|
||||
public static interface CustomButtonOnClickListener {
|
||||
void onClick(@NotNull Unit<String> fromUnits, @NotNull Unit<String> toUnits);
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user