Calculator editor
This commit is contained in:
serso
@@ -1,235 +1,150 @@
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/*
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* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
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* For more information, please, contact se.solovyev@gmail.com
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*/
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package org.solovyev.android.calculator;
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import android.content.Context;
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import android.graphics.Color;
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import android.text.Html;
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import android.util.AttributeSet;
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import android.util.Log;
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import jscl.math.Generic;
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import jscl.math.function.Constant;
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import jscl.math.function.IConstant;
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import org.jetbrains.annotations.NotNull;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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import org.solovyev.android.calculator.model.CalculatorEngine;
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import org.solovyev.android.calculator.text.TextProcessor;
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import org.solovyev.android.calculator.view.NumeralBaseConverterDialog;
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import org.solovyev.android.calculator.view.TextHighlighter;
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import org.solovyev.android.menu.LabeledMenuItem;
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import org.solovyev.android.view.AutoResizeTextView;
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import org.solovyev.common.collections.CollectionsUtils;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* User: serso
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* Date: 9/17/11
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* Time: 10:58 PM
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*/
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public class AndroidCalculatorDisplayView extends AutoResizeTextView implements CalculatorDisplayView {
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public static enum MenuItem implements LabeledMenuItem<CalculatorDisplayViewState> {
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copy(R.string.c_copy) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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CalculatorModel.copyResult(context, data);
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}
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},
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convert_to_bin(R.string.convert_to_bin) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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ConversionMenuItem.convert_to_bin.onClick(data, context);
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}
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@Override
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
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return ConversionMenuItem.convert_to_bin.isItemVisibleFor(generic, operation);
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}
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},
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convert_to_dec(R.string.convert_to_dec) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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ConversionMenuItem.convert_to_dec.onClick(data, context);
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}
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@Override
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
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return ConversionMenuItem.convert_to_dec.isItemVisibleFor(generic, operation);
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}
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},
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convert_to_hex(R.string.convert_to_hex) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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ConversionMenuItem.convert_to_hex.onClick(data, context);
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}
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@Override
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
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return ConversionMenuItem.convert_to_hex.isItemVisibleFor(generic, operation);
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}
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},
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convert(R.string.c_convert) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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final Generic result = data.getResult();
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if (result != null) {
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new NumeralBaseConverterDialog(result.toString()).show(context);
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}
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}
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@Override
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
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return operation == JsclOperation.numeric && generic.getConstants().isEmpty();
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}
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},
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plot(R.string.c_plot) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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final Generic generic = data.getResult();
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assert generic != null;
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final Constant constant = CollectionsUtils.getFirstCollectionElement(getNotSystemConstants(generic));
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assert constant != null;
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CalculatorActivityLauncher.plotGraph(context, generic, constant);
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}
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@Override
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
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boolean result = false;
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if (operation == JsclOperation.simplify) {
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if (getNotSystemConstants(generic).size() == 1) {
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result = true;
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}
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}
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return result;
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}
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@NotNull
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private Set<Constant> getNotSystemConstants(@NotNull Generic generic) {
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final Set<Constant> notSystemConstants = new HashSet<Constant>();
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for (Constant constant : generic.getConstants()) {
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IConstant var = CalculatorEngine.instance.getVarsRegistry().get(constant.getName());
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if (var != null && !var.isSystem() && !var.isDefined()) {
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notSystemConstants.add(constant);
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}
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}
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return notSystemConstants;
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}
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};
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private final int captionId;
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MenuItem(int captionId) {
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this.captionId = captionId;
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}
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public final boolean isItemVisible(@NotNull CalculatorDisplayViewState displayViewState) {
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//noinspection ConstantConditions
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return displayViewState.isValid() && displayViewState.getResult() != null && isItemVisibleFor(displayViewState.getResult(), displayViewState.getOperation());
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}
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
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return true;
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}
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@NotNull
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@Override
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public String getCaption(@NotNull Context context) {
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return context.getString(captionId);
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}
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}
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@NotNull
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private CalculatorDisplayViewState state = CalculatorDisplayViewStateImpl.newDefaultInstance();
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@NotNull
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private final static TextProcessor<TextHighlighter.Result, String> textHighlighter = new TextHighlighter(Color.WHITE, false, CalculatorEngine.instance.getEngine());
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public AndroidCalculatorDisplayView(Context context) {
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super(context);
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}
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public AndroidCalculatorDisplayView(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public AndroidCalculatorDisplayView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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public boolean isValid() {
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return this.state.isValid();
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}
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@Override
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public void setState(@NotNull CalculatorDisplayViewState state) {
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this.state = state;
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if ( state.isValid() ) {
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setTextColor(getResources().getColor(R.color.default_text_color));
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setText(state.getStringResult());
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} else {
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setTextColor(getResources().getColor(R.color.display_error_text_color));
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setText(state.getErrorMessage());
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}
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}
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@NotNull
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@Override
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public CalculatorDisplayViewState getState() {
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return this.state;
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}
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@Override
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public void setText(CharSequence text, BufferType type) {
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super.setText(text, type);
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}
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public synchronized void redraw() {
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if (isValid()) {
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String text = getText().toString();
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Log.d(this.getClass().getName(), text);
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try {
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TextHighlighter.Result result = textHighlighter.process(text);
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text = result.toString();
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} catch (CalculatorParseException e) {
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Log.e(this.getClass().getName(), e.getMessage(), e);
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}
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Log.d(this.getClass().getName(), text);
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super.setText(Html.fromHtml(text), BufferType.EDITABLE);
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}
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// todo serso: think where to move it (keep in mind org.solovyev.android.view.AutoResizeTextView.resetTextSize())
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setAddEllipsis(false);
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setMinTextSize(10);
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resizeText();
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}
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@Override
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public int getSelection() {
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return this.getSelectionStart();
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}
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@Override
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public void setSelection(int selection) {
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// not supported by TextView
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}
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}
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/*
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* Copyright (c) 2009-2011. Created by serso aka se.solovyev.
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* For more information, please, contact se.solovyev@gmail.com
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*/
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package org.solovyev.android.calculator;
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import android.content.Context;
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import android.graphics.Color;
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import android.os.Handler;
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import android.text.Html;
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import android.util.AttributeSet;
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import android.util.Log;
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import jscl.math.Generic;
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import jscl.math.function.Constant;
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import jscl.math.function.IConstant;
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import org.jetbrains.annotations.NotNull;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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import org.solovyev.android.calculator.model.CalculatorEngine;
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import org.solovyev.android.calculator.text.TextProcessor;
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import org.solovyev.android.calculator.view.NumeralBaseConverterDialog;
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import org.solovyev.android.calculator.view.TextHighlighter;
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import org.solovyev.android.menu.LabeledMenuItem;
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import org.solovyev.android.view.AutoResizeTextView;
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import org.solovyev.common.collections.CollectionsUtils;
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import java.util.HashSet;
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import java.util.Set;
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/**
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* User: serso
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* Date: 9/17/11
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* Time: 10:58 PM
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*/
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public class AndroidCalculatorDisplayView extends AutoResizeTextView implements CalculatorDisplayView {
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/*
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**********************************************************************
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*
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* STATIC FIELDS
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*
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**********************************************************************
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*/
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@NotNull
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private final static TextProcessor<TextHighlighter.Result, String> textHighlighter = new TextHighlighter(Color.WHITE, false, CalculatorEngine.instance.getEngine());
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/*
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**********************************************************************
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*
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* FIELDS
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*
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**********************************************************************
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*/
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@NotNull
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private CalculatorDisplayViewState state = CalculatorDisplayViewStateImpl.newDefaultInstance();
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@NotNull
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private final Object lock = new Object();
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@NotNull
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private final Handler handler = new Handler();
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/*
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**********************************************************************
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*
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* CONSTRUCTORS
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*
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**********************************************************************
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*/
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public AndroidCalculatorDisplayView(Context context) {
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super(context);
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}
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public AndroidCalculatorDisplayView(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public AndroidCalculatorDisplayView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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/*
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**********************************************************************
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*
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* METHODS
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*
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**********************************************************************
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*/
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public boolean isValid() {
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synchronized (lock) {
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return this.state.isValid();
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}
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}
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@Override
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public void setState(@NotNull final CalculatorDisplayViewState state) {
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handler.postDelayed(new Runnable() {
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@Override
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public void run() {
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synchronized (lock) {
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AndroidCalculatorDisplayView.this.state = state;
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if ( state.isValid() ) {
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setTextColor(getResources().getColor(R.color.default_text_color));
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setText(state.getStringResult());
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redraw();
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} else {
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setTextColor(getResources().getColor(R.color.display_error_text_color));
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setText(state.getErrorMessage());
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redraw();
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}
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}
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}
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}, 1);
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}
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@NotNull
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@Override
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public CalculatorDisplayViewState getState() {
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synchronized (lock) {
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return this.state;
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}
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}
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private synchronized void redraw() {
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if (isValid()) {
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String text = getText().toString();
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Log.d(this.getClass().getName(), text);
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try {
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TextHighlighter.Result result = textHighlighter.process(text);
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text = result.toString();
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} catch (CalculatorParseException e) {
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Log.e(this.getClass().getName(), e.getMessage(), e);
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}
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Log.d(this.getClass().getName(), text);
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super.setText(Html.fromHtml(text), BufferType.EDITABLE);
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}
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// todo serso: think where to move it (keep in mind org.solovyev.android.view.AutoResizeTextView.resetTextSize())
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setAddEllipsis(false);
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setMinTextSize(10);
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resizeText();
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}
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}
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@@ -25,7 +25,7 @@ import org.solovyev.common.collections.CollectionsUtils;
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* Date: 9/17/11
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* Time: 12:25 AM
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*/
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public class CalculatorEditor extends EditText implements SharedPreferences.OnSharedPreferenceChangeListener {
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public class AndroidCalculatorEditorView extends EditText implements SharedPreferences.OnSharedPreferenceChangeListener, CalculatorEditorView {
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private static final String CALC_COLOR_DISPLAY_KEY = "org.solovyev.android.calculator.CalculatorModel_color_display";
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private static final boolean CALC_COLOR_DISPLAY_DEFAULT = true;
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@@ -35,39 +35,16 @@ public class CalculatorEditor extends EditText implements SharedPreferences.OnSh
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@NotNull
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private final static TextProcessor<TextHighlighter.Result, String> textHighlighter = new TextHighlighter(Color.WHITE, true, CalculatorEngine.instance.getEngine());
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public CalculatorEditor(Context context) {
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public AndroidCalculatorEditorView(Context context) {
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super(context);
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init();
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}
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public CalculatorEditor(Context context, AttributeSet attrs) {
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public AndroidCalculatorEditorView(Context context, AttributeSet attrs) {
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super(context, attrs);
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init();
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}
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private void init() {
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// NOTE: in this solution cursor is missing
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/*this.setOnTouchListener(new OnTouchListener() {
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@Override
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public boolean onTouch(View v, MotionEvent event) {
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final TextView textView = (TextView)v;
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// backup the input type
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int inputType = textView.getInputType();
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// disable soft input
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textView.setInputType(InputType.TYPE_NULL);
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// call native handler
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textView.onTouchEvent(event);
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// restore input type
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textView.setInputType(inputType);
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// consume touch even
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return true;
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}
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});*/
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public AndroidCalculatorEditorView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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}
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@@ -95,11 +72,6 @@ public class CalculatorEditor extends EditText implements SharedPreferences.OnSh
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}
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}
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public CalculatorEditor(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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init();
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}
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@Override
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protected void onCreateContextMenu(ContextMenu menu) {
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super.onCreateContextMenu(menu);
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@@ -107,11 +79,6 @@ public class CalculatorEditor extends EditText implements SharedPreferences.OnSh
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menu.removeItem(android.R.id.selectAll);
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}
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@Override
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public void setText(CharSequence text, BufferType type) {
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super.setText(text, type);
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}
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public synchronized void redraw() {
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String text = getText().toString();
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@@ -0,0 +1,141 @@
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package org.solovyev.android.calculator;
|
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|
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import android.content.Context;
|
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import jscl.math.Generic;
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import jscl.math.function.Constant;
|
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import jscl.math.function.IConstant;
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import org.jetbrains.annotations.NotNull;
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import org.solovyev.android.calculator.jscl.JsclOperation;
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import org.solovyev.android.calculator.model.CalculatorEngine;
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import org.solovyev.android.calculator.view.NumeralBaseConverterDialog;
|
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import org.solovyev.android.menu.LabeledMenuItem;
|
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import org.solovyev.common.collections.CollectionsUtils;
|
||||
|
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import java.util.HashSet;
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import java.util.Set;
|
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/**
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* User: Solovyev_S
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* Date: 21.09.12
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* Time: 10:55
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*/
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public enum CalculatorDisplayMenuItem implements LabeledMenuItem<CalculatorDisplayViewState> {
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copy(R.string.c_copy) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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CalculatorModel.copyResult(context, data);
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}
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},
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convert_to_bin(R.string.convert_to_bin) {
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
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ConversionMenuItem.convert_to_bin.onClick(data, context);
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}
|
||||
|
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@Override
|
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
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return ConversionMenuItem.convert_to_bin.isItemVisibleFor(generic, operation);
|
||||
}
|
||||
},
|
||||
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convert_to_dec(R.string.convert_to_dec) {
|
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@Override
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public void onClick(@NotNull CalculatorDisplayViewState data, @NotNull Context context) {
|
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ConversionMenuItem.convert_to_dec.onClick(data, context);
|
||||
}
|
||||
|
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@Override
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protected boolean isItemVisibleFor(@NotNull Generic generic, @NotNull JsclOperation operation) {
|
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return ConversionMenuItem.convert_to_dec.isItemVisibleFor(generic, operation);
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||||
}
|
||||
},
|
||||
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||||
convert_to_hex(R.string.convert_to_hex) {
|
||||
@Override
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||||
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;
|
||||
|
||||
CalculatorDisplayMenuItem(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);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,53 @@
|
||||
package org.solovyev.android.calculator;
|
||||
|
||||
import android.app.Activity;
|
||||
import android.view.View;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.solovyev.android.menu.AMenuBuilder;
|
||||
import org.solovyev.android.menu.MenuImpl;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* User: Solovyev_S
|
||||
* Date: 21.09.12
|
||||
* Time: 10:58
|
||||
*/
|
||||
public 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<CalculatorDisplayMenuItem> filteredMenuItems = new ArrayList<CalculatorDisplayMenuItem>(CalculatorDisplayMenuItem.values().length);
|
||||
for (CalculatorDisplayMenuItem menuItem : CalculatorDisplayMenuItem.values()) {
|
||||
if (menuItem.isItemVisible(displayViewState)) {
|
||||
filteredMenuItems.add(menuItem);
|
||||
}
|
||||
}
|
||||
|
||||
if (!filteredMenuItems.isEmpty()) {
|
||||
AMenuBuilder.newInstance(activity, MenuImpl.newInstance(filteredMenuItems)).create(displayViewState).show();
|
||||
}
|
||||
|
||||
} else {
|
||||
final String errorMessage = displayViewState.getErrorMessage();
|
||||
if (errorMessage != null) {
|
||||
CalculatorModel.showEvaluationError(activity, errorMessage);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,411 +1,356 @@
|
||||
/*
|
||||
* 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.common.MutableObject;
|
||||
import org.solovyev.common.history.HistoryAction;
|
||||
import org.solovyev.common.msg.Message;
|
||||
import org.solovyev.common.text.StringUtils;
|
||||
|
||||
/**
|
||||
* User: serso
|
||||
* Date: 9/12/11
|
||||
* Time: 11:15 PM
|
||||
*/
|
||||
public enum CalculatorModel implements HistoryControl<CalculatorHistoryState>, CalculatorEngineControl {
|
||||
|
||||
instance;
|
||||
|
||||
// millis to wait before evaluation after user edit action
|
||||
public static final int EVAL_DELAY_MILLIS = 0;
|
||||
|
||||
@NotNull
|
||||
private final CalculatorEditor editor;
|
||||
|
||||
@NotNull
|
||||
private final CalculatorDisplay display;
|
||||
|
||||
@NotNull
|
||||
private CalculatorEngine calculatorEngine;
|
||||
|
||||
private CalculatorModel() {
|
||||
display = CalculatorLocatorImpl.getInstance().getCalculatorDisplay();
|
||||
editor = CalculatorLocatorImpl.getInstance().getCalculatorEditor();
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
final AndroidCalculatorEditorView editorView = (AndroidCalculatorEditorView) activity.findViewById(R.id.calculatorEditor);
|
||||
editorView.init(preferences);
|
||||
preferences.registerOnSharedPreferenceChangeListener(editorView);
|
||||
editor.setView(editorView);
|
||||
|
||||
final AndroidCalculatorDisplayView displayView = (AndroidCalculatorDisplayView) activity.findViewById(R.id.calculatorDisplay);
|
||||
displayView.setOnClickListener(new CalculatorDisplayOnClickListener(activity));
|
||||
display.setView(displayView);
|
||||
|
||||
final CalculatorHistoryState lastState = AndroidCalculatorHistoryImpl.instance.getLastHistoryState();
|
||||
if (lastState == null) {
|
||||
saveHistoryState();
|
||||
} else {
|
||||
setCurrentHistoryState(lastState);
|
||||
}
|
||||
|
||||
|
||||
return this;
|
||||
}
|
||||
|
||||
public 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.getViewState());
|
||||
}
|
||||
|
||||
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 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), display);
|
||||
}
|
||||
}
|
||||
|
||||
@NotNull
|
||||
public CalculatorDisplay getDisplay() {
|
||||
return display;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
@@ -11,6 +11,8 @@ import android.content.SharedPreferences;
|
||||
import android.preference.PreferenceManager;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
import org.solovyev.android.calculator.CalculatorEventData;
|
||||
import org.solovyev.android.calculator.CalculatorEventType;
|
||||
import org.solovyev.android.calculator.R;
|
||||
import org.solovyev.common.history.HistoryAction;
|
||||
|
||||
@@ -142,4 +144,9 @@ public enum AndroidCalculatorHistoryImpl implements AndroidCalculatorHistory {
|
||||
public void removeSavedHistory(@NotNull CalculatorHistoryState historyState) {
|
||||
calculatorHistory.removeSavedHistory(historyState);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onCalculatorEvent(@NotNull CalculatorEventData calculatorEventData, @NotNull CalculatorEventType calculatorEventType, @Nullable Object data) {
|
||||
calculatorHistory.onCalculatorEvent(calculatorEventData, calculatorEventType, data);
|
||||
}
|
||||
}
|
||||
|
||||
@@ -173,7 +173,7 @@ public class TextHighlighter implements TextProcessor<TextHighlighter.Result, St
|
||||
text2.append(s.charAt(i));
|
||||
}
|
||||
|
||||
//Log.d(CalculatorEditor.class.getName(), text2.toString());
|
||||
//Log.d(AndroidCalculatorEditorView.class.getName(), text2.toString());
|
||||
|
||||
result = text2.toString();
|
||||
} else {
|
||||
|
||||
Reference in New Issue
Block a user