vars activity
This commit is contained in:
parent
512e526713
commit
4306320cc1
12
pom.xml
12
pom.xml
@ -54,9 +54,15 @@
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</dependency>
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</dependency>
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<dependency>
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<dependency>
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<groupId>de.congrace</groupId>
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<groupId>org.simpleframework</groupId>
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<artifactId>exp4j</artifactId>
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<artifactId>simple-xml</artifactId>
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<version>0.2.8</version>
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<version>2.6.1</version>
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<exclusions>
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<exclusion>
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<artifactId>stax-api</artifactId>
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<groupId>stax</groupId>
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</exclusion>
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</exclusions>
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</dependency>
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</dependency>
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<dependency>
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<dependency>
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@ -18,4 +18,6 @@
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<string name="p_calc_color_display_key">org.solovyev.android.calculator.CalculatorModel_color_display</string>
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<string name="p_calc_color_display_key">org.solovyev.android.calculator.CalculatorModel_color_display</string>
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<string name="p_calc_color_display">true</string>
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<string name="p_calc_color_display">true</string>
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<string name="p_calc_vars">org.solovyev.android.calculator.CalculatorModel_vars</string>
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</resources>
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</resources>
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@ -57,7 +57,8 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
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setContentView(R.layout.main);
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setContentView(R.layout.main);
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try {
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try {
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this.calculatorModel = new CalculatorModel();
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CalculatorModel.init(this);
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this.calculatorModel = CalculatorModel.getInstance();
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} catch (EvalError evalError) {
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} catch (EvalError evalError) {
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// todo serso: create serso runtime exception
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// todo serso: create serso runtime exception
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throw new RuntimeException("Could not initialize interpreter!");
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throw new RuntimeException("Could not initialize interpreter!");
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@ -258,8 +259,7 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
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public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, @Nullable String s) {
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public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, @Nullable String s) {
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dpclRegister.announce().onDragPreferencesChange(SimpleOnDragListener.getPreferences(CalculatorActivity.this));
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dpclRegister.announce().onDragPreferencesChange(SimpleOnDragListener.getPreferences(CalculatorActivity.this));
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final NumberMapper<Integer> integerNumberMapper = new NumberMapper<Integer>(Integer.class);
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this.calculatorModel.load(this);
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this.calculatorModel.setNumberOfFractionDigits(integerNumberMapper.parseValue(sharedPreferences.getString(this.getString(R.string.p_calc_result_precision_key), this.getString(R.string.p_calc_result_precision))));
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final Boolean colorExpressionsInBracketsDefault = new BooleanMapper().parseValue(this.getString(R.string.p_calc_color_display));
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final Boolean colorExpressionsInBracketsDefault = new BooleanMapper().parseValue(this.getString(R.string.p_calc_color_display));
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assert colorExpressionsInBracketsDefault != null;
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assert colorExpressionsInBracketsDefault != null;
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@ -5,9 +5,14 @@
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package org.solovyev.android.calculator;
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package org.solovyev.android.calculator;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.preference.PreferenceManager;
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import bsh.EvalError;
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import bsh.EvalError;
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import bsh.Interpreter;
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import bsh.Interpreter;
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import org.jetbrains.annotations.NotNull;
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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.common.NumberMapper;
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import org.solovyev.common.exceptions.SersoException;
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import org.solovyev.common.exceptions.SersoException;
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import org.solovyev.common.utils.MathUtils;
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import org.solovyev.common.utils.MathUtils;
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import org.solovyev.util.math.Complex;
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import org.solovyev.util.math.Complex;
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@ -21,16 +26,24 @@ import org.solovyev.util.math.Complex;
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public class CalculatorModel {
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public class CalculatorModel {
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@NotNull
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@NotNull
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private Interpreter interpreter;
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private final Interpreter interpreter;
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private int numberOfFractionDigits = 5;
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private int numberOfFractionDigits = 5;
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@NotNull
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@NotNull
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public Preprocessor preprocessor = new ToJsclPreprocessor();
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public final Preprocessor preprocessor = new ToJsclPreprocessor();
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@NotNull
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private final VarsRegister varsRegister = new VarsRegister();
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private static CalculatorModel instance;
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private CalculatorModel(@Nullable Context context) throws EvalError {
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if (context != null) {
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load(context);
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}
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public CalculatorModel() throws EvalError {
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interpreter = new Interpreter();
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interpreter = new Interpreter();
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interpreter.eval(ToJsclPreprocessor.wrap(JsclOperation.importCommands, "/jscl/editorengine/commands"));
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interpreter.eval(ToJsclPreprocessor.wrap(JsclOperation.importCommands, "/jscl/editorengine/commands"));
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}
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}
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@ -99,6 +112,15 @@ public class CalculatorModel {
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return MathUtils.round(dResult, numberOfFractionDigits);
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return MathUtils.round(dResult, numberOfFractionDigits);
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}
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}
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public synchronized void load(@NotNull Context context) {
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final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
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final NumberMapper<Integer> integerNumberMapper = new NumberMapper<Integer>(Integer.class);
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this.setNumberOfFractionDigits(integerNumberMapper.parseValue(preferences.getString(context.getString(R.string.p_calc_result_precision_key), context.getString(R.string.p_calc_result_precision))));
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varsRegister.load(context);
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}
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public static class ParseException extends SersoException {
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public static class ParseException extends SersoException {
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public ParseException(Throwable cause) {
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public ParseException(Throwable cause) {
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super(cause);
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super(cause);
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@ -112,4 +134,25 @@ public class CalculatorModel {
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public void setNumberOfFractionDigits(int numberOfFractionDigits) {
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public void setNumberOfFractionDigits(int numberOfFractionDigits) {
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this.numberOfFractionDigits = numberOfFractionDigits;
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this.numberOfFractionDigits = numberOfFractionDigits;
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}
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}
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public static synchronized void init(@Nullable Context context) throws EvalError {
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if ( instance == null ) {
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instance = new CalculatorModel(context);
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} else {
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throw new RuntimeException("Calculator model already instantiated!");
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}
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}
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public static CalculatorModel getInstance() {
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if ( instance == null ) {
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throw new RuntimeException("CalculatorModel must be instantiated!");
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}
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return instance;
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}
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@NotNull
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public VarsRegister getVarsRegister() {
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return varsRegister;
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}
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}
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}
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@ -30,10 +30,8 @@ public class CalculatorVarsActivity extends ListActivity {
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setTheme(android.R.style.Theme_Dialog);
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setTheme(android.R.style.Theme_Dialog);
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final List<VariableContainer> vars = new ArrayList<VariableContainer>();
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final List<Var> vars = new ArrayList<Var>(CalculatorModel.getInstance().getVarsRegister().getVars());
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vars.add(new VariableContainer("e", 2.71, true));
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setListAdapter(new ArrayAdapter<Var>(this, R.layout.var, R.id.var_text, vars));
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vars.add(new VariableContainer("π", 3.14, true));
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setListAdapter(new ArrayAdapter<VariableContainer>(this, R.layout.var, R.id.var_text, vars));
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final ListView lv = getListView();
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final ListView lv = getListView();
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lv.setTextFilterEnabled(true);
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lv.setTextFilterEnabled(true);
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@ -42,7 +40,7 @@ public class CalculatorVarsActivity extends ListActivity {
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public void onItemClick(AdapterView<?> parent, View view,
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public void onItemClick(AdapterView<?> parent, View view,
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int position, long id) {
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int position, long id) {
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final Intent intent = new Intent(CalculatorActivity.INSERT_TEXT_INTENT);
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final Intent intent = new Intent(CalculatorActivity.INSERT_TEXT_INTENT);
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intent.putExtra(CalculatorActivity.INSERT_TEXT_INTENT_EXTRA_STRING, vars.get(position).getId());
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intent.putExtra(CalculatorActivity.INSERT_TEXT_INTENT_EXTRA_STRING, vars.get(position).getName());
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sendOrderedBroadcast(intent, null);
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sendOrderedBroadcast(intent, null);
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CalculatorVarsActivity.this.finish();
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CalculatorVarsActivity.this.finish();
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89
src/main/java/org/solovyev/android/calculator/Var.java
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89
src/main/java/org/solovyev/android/calculator/Var.java
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@ -0,0 +1,89 @@
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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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* or visit http://se.solovyev.org
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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.simpleframework.xml.Element;
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import org.simpleframework.xml.Root;
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/**
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* User: serso
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* Date: 9/28/11
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* Time: 11:22 PM
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*/
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@Root
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public class Var {
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@Element
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@NotNull
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private String name;
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@Element
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@NotNull
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private String value;
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private boolean system;
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@Element(required = false)
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@Nullable
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private String description;
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public Var() {
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}
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public Var(@NotNull String name, @NotNull Double value, boolean system) {
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this(name, String.valueOf(value), system);
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}
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public Var(@NotNull String name, @NotNull String value, boolean system) {
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this.name = name;
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this.value = value;
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this.system = system;
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}
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@NotNull
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public String getValue() {
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return value;
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}
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public void setValue(@NotNull String value) {
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this.value = value;
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}
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public boolean isSystem() {
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return system;
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}
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public void setSystem(boolean system) {
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this.system = system;
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}
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@NotNull
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public String getName() {
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return name;
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}
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public void setName(@NotNull String name) {
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this.name = name;
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}
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@Nullable
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public String getDescription() {
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return description;
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}
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public void setDescription(@Nullable String description) {
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this.description = description;
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}
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@Override
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public String toString() {
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return getName() + " = " + value;
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}
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}
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@ -1,51 +0,0 @@
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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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* or visit http://se.solovyev.org
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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.solovyev.common.definitions.Identity;
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/**
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* User: serso
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* Date: 9/28/11
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* Time: 11:22 PM
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*/
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public class VariableContainer extends Identity<String>{
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@NotNull
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private Double value;
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private boolean system;
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public VariableContainer(@NotNull String id, @NotNull Double value, boolean system) {
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super(id);
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this.value = value;
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this.system = system;
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}
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@NotNull
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public Double getValue() {
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return value;
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}
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public void setValue(@NotNull Double value) {
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this.value = value;
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}
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public boolean isSystem() {
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return system;
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}
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public void setSystem(boolean system) {
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this.system = system;
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}
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@Override
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public String toString() {
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return getId() + " = " + value;
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}
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}
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27
src/main/java/org/solovyev/android/calculator/Vars.java
Normal file
27
src/main/java/org/solovyev/android/calculator/Vars.java
Normal file
@ -0,0 +1,27 @@
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package org.solovyev.android.calculator;
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import org.simpleframework.xml.ElementList;
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import org.simpleframework.xml.Root;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* User: serso
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* Date: 9/29/11
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* Time: 5:19 PM
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*/
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@Root
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public class Vars {
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@ElementList
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private final List<Var> vars = new ArrayList<Var>();
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public Vars() {
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}
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public List<Var> getVars() {
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return vars;
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}
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}
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117
src/main/java/org/solovyev/android/calculator/VarsRegister.java
Normal file
117
src/main/java/org/solovyev/android/calculator/VarsRegister.java
Normal file
@ -0,0 +1,117 @@
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package org.solovyev.android.calculator;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.preference.PreferenceManager;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.simpleframework.xml.Serializer;
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import org.simpleframework.xml.core.Persister;
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import org.solovyev.android.calculator.math.MathEntityType;
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import org.solovyev.android.view.widgets.SimpleOnDragListener;
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import org.solovyev.common.utils.CollectionsUtils;
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import org.solovyev.common.utils.Finder;
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import java.io.StringWriter;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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/**
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* User: serso
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* Date: 9/29/11
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* Time: 4:57 PM
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*/
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public class VarsRegister {
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@NotNull
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private final Set<Var> vars = new HashSet<Var>();
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@NotNull
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private final Set<Var> systemVars = new HashSet<Var>();
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@NotNull
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public Set<Var> getVars() {
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return Collections.unmodifiableSet(vars);
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}
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@NotNull
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public Set<Var> getSystemVars() {
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return Collections.unmodifiableSet(systemVars);
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}
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@Nullable
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public Var getVar(@NotNull final String name) {
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return CollectionsUtils.get(vars, new Finder<Var>() {
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@Override
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public boolean isFound(@Nullable Var var) {
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return var != null && name.equals(var.getName());
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}
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});
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}
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public void merge(@NotNull final List<Var> varsParam) {
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final Set<Var> result = new HashSet<Var>(varsParam);
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for (Var systemVar : systemVars) {
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if (!result.contains(systemVar)) {
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result.add(systemVar);
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}
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}
|
||||||
|
|
||||||
|
vars.clear();
|
||||||
|
vars.addAll(result);
|
||||||
|
}
|
||||||
|
|
||||||
|
public synchronized void load(@NotNull Context context) {
|
||||||
|
final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
|
||||||
|
|
||||||
|
this.vars.clear();
|
||||||
|
this.systemVars.clear();
|
||||||
|
|
||||||
|
final String value = preferences.getString(context.getString(R.string.p_calc_vars), null);
|
||||||
|
if (value != null) {
|
||||||
|
final Serializer serializer = new Persister();
|
||||||
|
try {
|
||||||
|
final Vars vars = serializer.read(Vars.class, value);
|
||||||
|
this.vars.addAll(vars.getVars());
|
||||||
|
} catch (Exception e) {
|
||||||
|
throw new RuntimeException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
for (Var systemVar : MathEntityType.constants) {
|
||||||
|
|
||||||
|
systemVars.add(systemVar);
|
||||||
|
if (!vars.contains(systemVar)) {
|
||||||
|
vars.add(systemVar);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public synchronized void save(@NotNull Context context) {
|
||||||
|
final SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(context);
|
||||||
|
final SharedPreferences.Editor editor = settings.edit();
|
||||||
|
|
||||||
|
final Vars vars = new Vars();
|
||||||
|
for (Var var : this.vars) {
|
||||||
|
if (!var.isSystem()) {
|
||||||
|
vars.getVars().add(var);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
final StringWriter sw = new StringWriter();
|
||||||
|
final Serializer serializer = new Persister();
|
||||||
|
try {
|
||||||
|
serializer.write(vars, sw);
|
||||||
|
} catch (Exception e) {
|
||||||
|
throw new RuntimeException(e);
|
||||||
|
}
|
||||||
|
|
||||||
|
editor.putString(context.getString(R.string.p_calc_vars),sw.toString());
|
||||||
|
|
||||||
|
editor.commit();
|
||||||
|
}
|
||||||
|
}
|
@ -5,14 +5,18 @@
|
|||||||
|
|
||||||
package org.solovyev.android.calculator.math;
|
package org.solovyev.android.calculator.math;
|
||||||
|
|
||||||
|
import org.jetbrains.annotations.NotNull;
|
||||||
|
import org.jetbrains.annotations.Nullable;
|
||||||
|
import org.solovyev.android.calculator.Var;
|
||||||
|
import org.solovyev.common.utils.CollectionsUtils;
|
||||||
|
import org.solovyev.common.utils.Finder;
|
||||||
|
|
||||||
|
import java.lang.reflect.Array;
|
||||||
import java.util.ArrayList;
|
import java.util.ArrayList;
|
||||||
import java.util.Arrays;
|
import java.util.Arrays;
|
||||||
import java.util.Collections;
|
import java.util.Collections;
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
|
|
||||||
import org.jetbrains.annotations.NotNull;
|
|
||||||
import org.jetbrains.annotations.Nullable;
|
|
||||||
|
|
||||||
public enum MathEntityType {
|
public enum MathEntityType {
|
||||||
|
|
||||||
digit,
|
digit,
|
||||||
@ -25,7 +29,14 @@ public enum MathEntityType {
|
|||||||
group_symbols,
|
group_symbols,
|
||||||
group_symbol;
|
group_symbol;
|
||||||
|
|
||||||
public static final List<Character> constants = Arrays.asList('e', 'π', 'i');
|
public static final List<Var> constants;
|
||||||
|
static {
|
||||||
|
final List<Var> result = new ArrayList<Var>();
|
||||||
|
result.add(new Var("e", Math.exp(1), true));
|
||||||
|
result.add(new Var("π", Math.PI, true));
|
||||||
|
result.add(new Var("i", "√(-1)", true));
|
||||||
|
constants = Collections.unmodifiableList(result);
|
||||||
|
}
|
||||||
|
|
||||||
public static final List<Character> dots = Arrays.asList('.');
|
public static final List<Character> dots = Arrays.asList('.');
|
||||||
|
|
||||||
@ -72,7 +83,7 @@ public enum MathEntityType {
|
|||||||
}
|
}
|
||||||
|
|
||||||
@Nullable
|
@Nullable
|
||||||
public static MathEntityType getType(char ch) {
|
public static MathEntityType getType(final char ch) {
|
||||||
MathEntityType result = null;
|
MathEntityType result = null;
|
||||||
|
|
||||||
if ( Character.isDigit(ch) ) {
|
if ( Character.isDigit(ch) ) {
|
||||||
@ -85,11 +96,22 @@ public enum MathEntityType {
|
|||||||
result = MathEntityType.binary_operation;
|
result = MathEntityType.binary_operation;
|
||||||
} else if ( singleGroupSymbols.contains(ch) ) {
|
} else if ( singleGroupSymbols.contains(ch) ) {
|
||||||
result = MathEntityType.group_symbol;
|
result = MathEntityType.group_symbol;
|
||||||
} else if ( constants.contains(ch) ) {
|
} else if (isConstant(ch)) {
|
||||||
result = MathEntityType.constant;
|
result = MathEntityType.constant;
|
||||||
} else if ( dots.contains(ch) ) {
|
} else if ( dots.contains(ch) ) {
|
||||||
result = MathEntityType.dot;
|
result = MathEntityType.dot;
|
||||||
}
|
}
|
||||||
return result;
|
return result;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
private static boolean isConstant(final char ch) {
|
||||||
|
final String name = String.valueOf(ch);
|
||||||
|
|
||||||
|
return CollectionsUtils.get(constants, new Finder<Var>() {
|
||||||
|
@Override
|
||||||
|
public boolean isFound(@Nullable Var var) {
|
||||||
|
return var != null && var.getName().equals(name);
|
||||||
|
}
|
||||||
|
}) != null;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
@ -6,6 +6,8 @@
|
|||||||
package org.solovyev.android.calculator;
|
package org.solovyev.android.calculator;
|
||||||
|
|
||||||
import org.junit.Assert;
|
import org.junit.Assert;
|
||||||
|
import org.junit.Before;
|
||||||
|
import org.junit.BeforeClass;
|
||||||
import org.junit.Test;
|
import org.junit.Test;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
@ -14,9 +16,15 @@ import org.junit.Test;
|
|||||||
* Time: 9:47 PM
|
* Time: 9:47 PM
|
||||||
*/
|
*/
|
||||||
public class CalculatorModelTest {
|
public class CalculatorModelTest {
|
||||||
|
|
||||||
|
@BeforeClass
|
||||||
|
public static void setUp() throws Exception {
|
||||||
|
CalculatorModel.init(null);
|
||||||
|
}
|
||||||
|
|
||||||
@Test
|
@Test
|
||||||
public void testEvaluate() throws Exception {
|
public void testEvaluate() throws Exception {
|
||||||
final CalculatorModel cm = new CalculatorModel();
|
final CalculatorModel cm = CalculatorModel.getInstance();
|
||||||
|
|
||||||
Assert.assertEquals("4.0", cm.evaluate(JsclOperation.numeric, "2+2"));
|
Assert.assertEquals("4.0", cm.evaluate(JsclOperation.numeric, "2+2"));
|
||||||
Assert.assertEquals("-0.7568", cm.evaluate(JsclOperation.numeric, "sin(4)"));
|
Assert.assertEquals("-0.7568", cm.evaluate(JsclOperation.numeric, "sin(4)"));
|
||||||
@ -43,7 +51,7 @@ public class CalculatorModelTest {
|
|||||||
|
|
||||||
@Test
|
@Test
|
||||||
public void testComplexNumbers() throws Exception {
|
public void testComplexNumbers() throws Exception {
|
||||||
final CalculatorModel cm = new CalculatorModel();
|
final CalculatorModel cm = CalculatorModel.getInstance();
|
||||||
|
|
||||||
Assert.assertEquals("1.22133+23123.0i", cm.createResultForComplexNumber("1.22133232+23123*i"));
|
Assert.assertEquals("1.22133+23123.0i", cm.createResultForComplexNumber("1.22133232+23123*i"));
|
||||||
Assert.assertEquals("1.22133+1.2i", cm.createResultForComplexNumber("1.22133232+1.2*i"));
|
Assert.assertEquals("1.22133+1.2i", cm.createResultForComplexNumber("1.22133232+1.2*i"));
|
||||||
|
Loading…
Reference in New Issue
Block a user