Revision 44080 trunk/org.gvsig.desktop/org.gvsig.desktop.library/org.gvsig.expressionevaluator/org.gvsig.expressionevaluator.swing/org.gvsig.expressionevaluator.swing.impl/src/main/java/org/gvsig/expressionevaluator/swing/impl/DefaultCalculatorController.java
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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package org.gvsig.expressionevaluator.swing.impl; |
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import java.awt.Color; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.FocusEvent; |
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import java.awt.event.FocusListener; |
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import org.gvsig.expressionevaluator.swing.CalculatorController; |
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import java.util.Objects; |
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import javax.swing.AbstractAction; |
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import javax.swing.Action; |
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import javax.swing.JPopupMenu; |
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import javax.swing.text.JTextComponent; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.Expression; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorLocator; |
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import org.gvsig.expressionevaluator.ExpressionEvaluatorManager; |
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import org.gvsig.expressionevaluator.MutableSymbolTable; |
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import org.gvsig.expressionevaluator.SymbolTable; |
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import org.gvsig.expressionevaluator.swing.ExpressionEvaluatorSwingManager; |
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import org.gvsig.tools.dataTypes.DataTypes; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dataTypes.CoercionException; |
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import org.gvsig.tools.dataTypes.DataTypesManager; |
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import org.gvsig.tools.i18n.I18nManager; |
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import org.gvsig.tools.swing.api.ToolsSwingLocator; |
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import org.gvsig.tools.swing.api.ToolsSwingManager; |
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import org.gvsig.tools.swing.api.windowmanager.Dialog; |
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import org.gvsig.tools.swing.api.windowmanager.WindowManager; |
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import org.gvsig.tools.swing.api.windowmanager.WindowManager_v2; |
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/** |
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* |
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* @author jjdelcerro |
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*/ |
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@SuppressWarnings("UseSpecificCatch")
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class DefaultCalculatorController<T> implements CalculatorController<T> {
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private static final Color COLOR_ERROR = new Color(255,225,232); |
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private final JTextComponent text; |
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private final int dataType; |
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private final MutableSymbolTable defaultSymbolTable; |
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private final Color backgroundColor; |
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private final ExpressionEvaluatorSwingManager manager; |
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private DefaultExpressionBuilderConfig config; |
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private Expression expression; |
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public DefaultCalculatorController(JTextComponent text, int dataType) {
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public DefaultCalculatorController(ExpressionEvaluatorSwingManager manager, final JTextComponent text, int dataType) {
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ToolsSwingManager swingManager = ToolsSwingLocator.getToolsSwingManager(); |
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I18nManager i18n = ToolsLocator.getI18nManager(); |
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this.manager = manager; |
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this.config = null; |
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this.expression = null; |
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this.text = text; |
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this.dataType = dataType; |
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this.backgroundColor = this.text.getBackground(); |
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this.defaultSymbolTable = ExpressionEvaluatorLocator.getManager().createSymbolTable(); |
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this.text.addFocusListener(new FocusListener() {
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@Override |
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public void focusLost(FocusEvent e) {
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doCalculate(); |
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} |
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@Override |
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public void focusGained(FocusEvent e) {
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doCalculate(); |
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} |
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}); |
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swingManager.addClearButton(this.text, new ActionListener() {
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@Override |
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public void actionPerformed(ActionEvent e) {
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set(null); |
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} |
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}); |
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swingManager.setDefaultPopupMenu(this.text); |
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JPopupMenu popupMenu = this.text.getComponentPopupMenu(); |
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Action showExpressionBuilderAction = new AbstractAction(i18n.getTranslation("_Show_expression_builder")) {
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@Override |
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public void actionPerformed(ActionEvent e) {
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doShowExpressionBuilder(); |
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} |
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}; |
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popupMenu.addSeparator(); |
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popupMenu.add(showExpressionBuilderAction); |
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} |
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private void doShowExpressionBuilder() {
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if( this.config == null ) {
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this.config = new DefaultExpressionBuilderConfig(this.manager); |
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this.config.addSymbolTable(this.defaultSymbolTable); |
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} |
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if( this.expression == null ) {
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this.expression = ExpressionEvaluatorLocator.getManager().createExpression(); |
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} |
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expression.setPhrase(this.text.getText()); |
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DefaultJExpressionBuilder panel = new DefaultJExpressionBuilder(this.manager, this.config); |
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panel.setExpression(this.expression); |
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WindowManager_v2 windowManager = (WindowManager_v2) ToolsSwingLocator.getWindowManager(); |
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Dialog dialog = windowManager.createDialog( |
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panel.asJComponent(), |
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"Expression builder", |
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null, |
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WindowManager_v2.BUTTONS_OK_CANCEL |
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); |
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dialog.show(WindowManager.MODE.DIALOG); |
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if( dialog.getAction()==WindowManager_v2.BUTTON_OK ) {
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this.text.setText(panel.getExpression().getPhrase()); |
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} |
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} |
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@Override |
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public void addSymbolTable(SymbolTable symbolTable) {
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this.defaultSymbolTable.addSymbolTable(symbolTable); |
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return this.defaultSymbolTable; |
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} |
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private void doCalculate() {
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if( !this.text.isEditable() ) {
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return; |
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} |
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String source = this.text.getText(); |
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try {
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if( !StringUtils.isBlank(source) ) {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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Object value = manager.evaluate(this.defaultSymbolTable, source); |
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this.text.setText(Objects.toString(value, "")); |
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} |
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this.text.setBackground(this.backgroundColor); |
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} catch (Exception ex) {
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this.text.setBackground(COLOR_ERROR); |
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} |
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} |
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@Override |
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public T get() {
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String source = this.text.getText(); |
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doCalculate(); |
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Object value = this.text.getText(); |
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try {
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ExpressionEvaluatorManager manager = ExpressionEvaluatorLocator.getManager(); |
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Object value = manager.evaluate(this.defaultSymbolTable, source); |
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if (this.dataType != DataTypes.OBJECT) {
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DataTypesManager dataManager = ToolsLocator.getDataTypesManager(); |
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value = dataManager.coerce(this.dataType, value); |
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} |
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DataTypesManager dataManager = ToolsLocator.getDataTypesManager(); |
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value = dataManager.coerce(this.dataType, value); |
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return (T) value; |
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} catch (CoercionException ex) {
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if (this.dataType != DataTypes.STRING) {
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return (T) source; |
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} |
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return null; |
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} |
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} |
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@Override |
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public void set(T value) {
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this.text.setText(Objects.toString(value, "")); |
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this.text.setBackground(this.backgroundColor); |
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} |
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@Override |
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} |
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} |
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this.text.setText(Objects.toString(value, "")); |
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this.text.setBackground(this.backgroundColor); |
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} |
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@Override |
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return this.text.isEnabled(); |
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} |
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@Override |
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public void setEditable(boolean editable) {
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this.text.setEditable(editable); |
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} |
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@Override |
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public boolean isEditable() {
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return this.text.isEditable(); |
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} |
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} |
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