root / trunk / extensions / extSymbology / src / com / iver / cit / gvsig / project / documents / view / legend / gui / ExpressionCreator.java @ 20768
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/* gvSIG. Sistema de Informaci�n Geogr�fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib��ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.project.documents.view.legend.gui; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import java.awt.Dimension; |
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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.KeyEvent; |
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import java.awt.event.KeyListener; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.awt.event.MouseMotionListener; |
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import java.io.StringReader; |
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import java.sql.Types; |
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import java.util.Hashtable; |
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import javax.swing.JButton; |
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import javax.swing.JList; |
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import javax.swing.JOptionPane; |
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import javax.swing.JPanel; |
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import javax.swing.JScrollPane; |
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import javax.swing.JTextArea; |
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import org.gvsig.gui.beans.AcceptCancelPanel; |
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import org.gvsig.symbology.fmap.rendering.filter.operations.Expression; |
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import org.gvsig.symbology.fmap.rendering.filter.operations.ExpressionException; |
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import org.gvsig.symbology.fmap.rendering.filter.operations.OperatorsUtils; |
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import org.gvsig.symbology.fmap.rendering.filter.parser.ExpressionParser; |
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import org.gvsig.symbology.fmap.rendering.filter.parser.ParseException; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.hardcode.gdbms.engine.data.DataSource; |
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import com.hardcode.gdbms.engine.values.Value; |
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import com.iver.andami.PluginServices; |
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import com.iver.andami.messages.NotificationManager; |
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import com.iver.andami.ui.mdiManager.IWindow; |
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import com.iver.andami.ui.mdiManager.WindowInfo; |
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import com.iver.cit.gvsig.fmap.core.SymbologyFactory; |
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import com.iver.cit.gvsig.fmap.core.symbols.ISymbol; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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/**
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* Implements the panel which is used to create or modify an
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* specific filter expression contained in a VectorialFilterExpressionLegend.
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* @author Pepe Vidal Salvador - jose.vidal.salvador@iver.es
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*
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*/
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public class ExpressionCreator extends JPanel implements IWindow { |
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private static final long serialVersionUID = 1L; |
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private FLyrVect layer;
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private String[] fieldNames; |
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private String[] operators; |
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private int width = 750; |
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private int height = 440; |
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private DataSource dataSource; |
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private Object[] fieldNamesExpression; |
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private ExpressionParser parser;
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private ISymbol symbolForExpression;
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private String descriptionForExpression; |
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private int shapeType; |
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private JButton addExpressBut; |
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private JButton addOperatorBut; |
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private JButton butVerify; |
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private JButton butClear; |
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private AcceptCancelPanel acceptCancelPanel;
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private JTextArea expressionArea; |
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private JList fieldNamesList; |
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private JList operatorsList; |
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private JTextArea fieldPatternText = new JTextArea(); |
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private JTextArea operatorPatternText = new JTextArea(); |
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private JSymbolPreviewButton symbol;
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private JTextArea description; |
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private MyListener myBehavior = new MyListener(); |
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String expression=""; |
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/**
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* Constructor method
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* @param vect
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*/
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public ExpressionCreator(FLyrVect vect) {
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super();
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this.layer = vect;
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this.setOperators(operators);
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getShapeType(); |
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fieldNamesList = getFieldNames(); |
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operatorsList = getFieldOperators(); |
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initialize(); |
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} |
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/**
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* This method initializes this
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*
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*/
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private void initialize() { |
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JPanel topPanel = new JPanel(); |
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topPanel.add(getFieldsPanel()); |
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topPanel.add(getButtonsPanel()); |
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topPanel.add(getOperatorsPanel()); |
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expressionArea = new JTextArea(); |
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expressionArea.setColumns(60);
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expressionArea.setRows(3);
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JScrollPane expressionScroll = new JScrollPane(expressionArea); |
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expressionScroll.setPreferredSize(new Dimension(this.width-200, (this.height)/7)); |
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JPanel centPanel = new JPanel(); |
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centPanel.setBorder(javax.swing.BorderFactory.createTitledBorder( |
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null, PluginServices.getText(this,"expression"), |
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javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, |
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javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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centPanel.add(expressionScroll, null);
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JPanel buttPanel = new JPanel(); |
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buttPanel.setPreferredSize(new Dimension (100, this.height/7)); |
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buttPanel.add(getButVerify()); |
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buttPanel.add(getButClear()); |
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centPanel.add(buttPanel); |
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JPanel symAndDescPanel = new JPanel(); |
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symAndDescPanel.add(getSymbol()); |
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symAndDescPanel.add(getDescriptionPanel()); |
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JPanel bottomPanel = new JPanel(); |
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acceptCancelPanel = new AcceptCancelPanel(action, action);
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bottomPanel.add(acceptCancelPanel, BorderLayout.SOUTH);
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bottomPanel.setPreferredSize(new Dimension(200,35)); |
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this.add(topPanel);
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this.add(centPanel);
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this.add(symAndDescPanel);
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this.add(bottomPanel);
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} |
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private JPanel getOperatorsPanel() { |
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JScrollPane operatorsScroll = new JScrollPane(operatorsList); |
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operatorsScroll.setPreferredSize(new Dimension(this.width/4, this.height/5)); |
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JPanel operatorsPanel = new JPanel(); |
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operatorsPanel.setBorder(javax.swing.BorderFactory.createTitledBorder( |
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null, PluginServices.getText(this,"operators"), |
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javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, |
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javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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operatorsPanel.setPreferredSize(new Dimension((this.width)/3,(this.height+160)/3)); |
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operatorPatternText.setEnabled(false);
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JScrollPane patternOperators = new JScrollPane(operatorPatternText); |
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patternOperators.setBorder(javax.swing.BorderFactory.createTitledBorder( |
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null, PluginServices.getText(this,"pattern"), |
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javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, |
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javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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patternOperators.setPreferredSize(new Dimension((this.width-50)/3, (this.height+40)/7)); |
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operatorsPanel.add(operatorsScroll, null);
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operatorsPanel.add(patternOperators, null);
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return operatorsPanel;
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} |
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private JPanel getFieldsPanel() { |
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JPanel fieldPanel = new JPanel(); |
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JScrollPane fieldsScroll = new JScrollPane(fieldNamesList); |
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fieldsScroll.setPreferredSize(new Dimension(this.width/4, this.height/5)); |
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fieldPanel.setBorder(javax.swing.BorderFactory.createTitledBorder( |
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null, PluginServices.getText(this,"fields_exp"), |
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javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, |
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javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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fieldPanel.setPreferredSize(new Dimension((this.width)/3,(this.height+160)/3)); |
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fieldPatternText.setEnabled(false);
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JScrollPane patternFields = new JScrollPane(fieldPatternText); |
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patternFields.setBorder(javax.swing.BorderFactory.createTitledBorder( |
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null, PluginServices.getText(this,"pattern"), |
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javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, |
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javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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patternFields.setPreferredSize(new Dimension((this.width-50)/3, (this.height+40)/7)); |
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fieldPanel.add(fieldsScroll, null);
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fieldPanel.add(patternFields,null);
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return fieldPanel;
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} |
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private JPanel getButtonsPanel() { |
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JPanel myPanelBut = new JPanel(); |
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addExpressBut = new JButton(PluginServices.getText(this, "add_expression")); |
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addExpressBut.addActionListener(action); |
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myPanelBut.add(addExpressBut); |
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addOperatorBut = new JButton(PluginServices.getText(this, "add_operator")); |
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addOperatorBut.addActionListener(action); |
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myPanelBut.add(addOperatorBut); |
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return myPanelBut;
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} |
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private JButton getButClear() { |
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if(butClear == null) { |
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butClear = new JButton(); |
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butClear.setText(PluginServices.getText(this, "clear")); |
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butClear.setPreferredSize(new Dimension(80,20 )); |
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butClear.addActionListener(action); |
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} |
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return butClear;
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} |
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private JButton getButVerify() { |
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if(butVerify == null) { |
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butVerify = new JButton(); |
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butVerify.setText(PluginServices.getText(this, "verify")); |
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butVerify.setPreferredSize(new Dimension(80,20 )); |
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butVerify.addActionListener(action); |
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} |
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return butVerify;
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} |
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private JList getFieldNames() { |
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try {
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dataSource = this.layer.getRecordset();
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dataSource.start(); |
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this.fieldNames = dataSource.getFieldNames();
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dataSource.stop(); |
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} catch (ReadDriverException e) {
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NotificationManager.addError(PluginServices.getText(this,"error_trying_to_access_to_the_layer"),e); |
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} |
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JList myList = new JList(fieldNames); |
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myList.addMouseListener(myBehavior); |
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myList.addMouseMotionListener(myBehavior); |
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myList.addKeyListener(myBehavior); |
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return myList;
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} |
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private JList getFieldOperators() { |
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String[] myOperators = new String [OperatorsUtils.getOperatorNames().length]; |
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for (int i = 0; i < OperatorsUtils.getOperatorNames().length; i++) { |
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myOperators[i] = OperatorsUtils.getOperatorNames()[i].toString(); |
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} |
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JList myFieldOperators = new JList(myOperators); |
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myFieldOperators.addMouseListener(myBehavior); |
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myFieldOperators.addMouseMotionListener(myBehavior); |
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myFieldOperators.addKeyListener(myBehavior); |
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return myFieldOperators;
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} |
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private JScrollPane getDescriptionPanel() { |
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if(description == null) { |
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description = new JTextArea(); |
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description.setColumns(65);
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description.setRows(3);
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JScrollPane scroll = new JScrollPane(description); |
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scroll.setBorder(javax.swing.BorderFactory.createTitledBorder( |
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null, PluginServices.getText(this,"description"), |
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javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, |
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javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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return scroll;
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} |
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return null; |
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} |
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private JPanel getSymbol() { |
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if(symbol == null) { |
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JPanel panel = new JPanel(); |
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symbol = new JSymbolPreviewButton(getShapeType());
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symbol.setSymbol(SymbologyFactory.createDefaultSymbolByShapeType(shapeType)); |
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symbol.setPreferredSize(new Dimension(100,35)); |
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panel.setBorder(javax.swing.BorderFactory.createTitledBorder( |
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null, PluginServices.getText(this,"symbol"), |
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javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, |
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javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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panel.add(symbol); |
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return panel;
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} |
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return null; |
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} |
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/**
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* Obtains the shapetype of the layer
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*
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* @return int shapetype of the layer
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*/
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private int getShapeType() { |
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try {
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shapeType = layer.getShapeType(); |
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} catch (ReadDriverException e) {
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NotificationManager.addError(PluginServices.getText(this,"error_trying_to_access_to_the_layer"),e); |
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} |
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return shapeType;
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} |
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public WindowInfo getWindowInfo() {
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WindowInfo wi = new WindowInfo(WindowInfo.MODALDIALOG);
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wi.setTitle(PluginServices.getText(this, "expression_creator")); |
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wi.setWidth(this.width);
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wi.setHeight(this.height);
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return wi;
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} |
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private ActionListener action = new ActionListener() { |
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Object[] options = {PluginServices.getText(this, "yes"), |
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PluginServices.getText(this, "no"), |
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PluginServices.getText(this, "cancel")}; |
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public void actionPerformed(ActionEvent e) { |
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String actionCommand = e.getActionCommand();
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if ("OK".equals(actionCommand)) { |
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if(verifyExpression() && symbol.getSymbol() != null) { |
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setExpression(expressionArea.getText()); |
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setFieldNamesExpression(parser.getClassNames().toArray()); |
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setDescriptionForExpression(description.getText()); |
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setSymbolForExpression(symbol.getSymbol()); |
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PluginServices.getMDIManager().closeWindow(ExpressionCreator.this); |
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} |
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int answer = 0; |
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if(!verifyExpression()) {
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answer = JOptionPane.showOptionDialog((Component)PluginServices.getMainFrame(), |
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PluginServices.getText(this, "malformed_or_empty_expression")+"\n"+ |
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PluginServices.getText(this, "it_will_not_be_added"), |
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PluginServices.getText(this, "confirmation_dialog"), |
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JOptionPane.YES_NO_CANCEL_OPTION,
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JOptionPane.QUESTION_MESSAGE,
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null,
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options, options[1]);
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if (answer==JOptionPane.OK_OPTION) { |
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setExpression(null);
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PluginServices.getMDIManager().closeWindow(ExpressionCreator.this); |
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} |
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} |
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else if(symbol.getSymbol() == null) { |
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answer = JOptionPane.showOptionDialog((Component)PluginServices.getMainFrame(), |
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PluginServices.getText(this, "no_symbol_especified")+"\n"+ |
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PluginServices.getText(this,"a_default_symbol_will_be_used"), |
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PluginServices.getText(this, "confirmation_dialog"), |
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JOptionPane.YES_NO_CANCEL_OPTION,
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JOptionPane.QUESTION_MESSAGE,
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null,
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options, options[1]);
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if (answer==JOptionPane.OK_OPTION) { |
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setExpression(expressionArea.getText()); |
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setFieldNamesExpression(parser.getClassNames().toArray()); |
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setDescriptionForExpression(description.getText()); |
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setSymbolForExpression(SymbologyFactory.createDefaultSymbolByShapeType(shapeType)); |
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PluginServices.getMDIManager().closeWindow(ExpressionCreator.this); |
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} |
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} |
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} |
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else if ("CANCEL".equals(actionCommand)){ |
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setExpression(null);
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PluginServices.getMDIManager().closeWindow(ExpressionCreator.this); |
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} |
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else if (e.getSource().equals(addExpressBut)) { |
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if(fieldNamesList.getSelectedValue() != null) { |
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expressionArea.append(" ["+fieldNamesList.getSelectedValue().toString()+"]"); |
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} |
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} |
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else if (e.getSource().equals(addOperatorBut)) { |
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if(operatorsList.getSelectedValue() != null) { |
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expressionArea.append(" "+operatorsList.getSelectedValue().toString());
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} |
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} |
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else if (e.getSource().equals(butClear)) { |
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expressionArea.setText("");
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expression = "";
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} |
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else if (e.getSource().equals(butVerify)) { |
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if(expressionArea.getText().compareTo("") == 0) { |
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JOptionPane.showMessageDialog(butVerify, PluginServices.getText(this, "no_expression_defined")+"\n"); |
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} |
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else {
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Expression exp = null; |
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Hashtable<String, Value> symbols = getSymbolsTable(fieldNames); |
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try {
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parser = new ExpressionParser(new StringReader(expressionArea.getText())); |
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parser.Expression(); |
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parser.getStack(); |
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exp = parser.getExpression(); |
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exp.check(symbols); |
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if(exp.evaluate(symbols).toString().compareTo("true") == 0 || |
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exp.evaluate(symbols).toString().compareTo("false") == 0) |
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JOptionPane.showMessageDialog(butVerify,PluginServices.getText(this, "correct_expression")+"\n"); |
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else
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JOptionPane.showMessageDialog(butVerify, PluginServices.getText(this, "incorrect_expression")+"\n-"+ |
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PluginServices.getText(this,"the_result_is_not_a_boolean_value")+"\n"); |
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} catch (ParseException e1) { |
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JOptionPane.showMessageDialog(butVerify, PluginServices.getText(this, "incorrect_expression")+"\n"); |
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} catch (ExpressionException e2) {
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int type = e2.getType();
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String message = ""; |
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message+=PluginServices.getText(this, "incorrect_expression")+":"; |
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if ((type & ExpressionException.CLASS_CASTING_EXCEPTION) != 0){ |
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type = type & ~ExpressionException.CLASS_CASTING_EXCEPTION; |
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message += "\n-"+PluginServices.getText(this, "some_arguments_are_incorrect")+".\n"; |
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} |
| 470 |
if ((type & ExpressionException.INCORRECT_NUMBER_OF_ARGUMENTS) != 0){ |
| 471 |
type = type & ~ExpressionException.INCORRECT_NUMBER_OF_ARGUMENTS; |
| 472 |
message += "\n-"+PluginServices.getText(this,"the_number_or_arguments_is_incorrect")+".\n"; |
| 473 |
} |
| 474 |
if ((type & ExpressionException.ARGUMENT_ADDED_TO_CONSTANT) != 0){ |
| 475 |
type = type & ~ExpressionException.ARGUMENT_ADDED_TO_CONSTANT; |
| 476 |
message += "\n-"+PluginServices.getText(this, "arguments_added_to_a_costant")+".\n"; |
| 477 |
} |
| 478 |
if ((type & ExpressionException.DIVIDED_BY_CERO) != 0){ |
| 479 |
type = type & ~ExpressionException.DIVIDED_BY_CERO; |
| 480 |
message += "\n-"+PluginServices.getText(this, "divided_by_0")+".\n"; |
| 481 |
} |
| 482 |
if ((type & ExpressionException.NO_CLASSIF_NAME) != 0){ |
| 483 |
type = type & ~ExpressionException.NO_CLASSIF_NAME; |
| 484 |
message += "\n-"+PluginServices.getText(this, "classifying_field_name_not_found")+".\n"; |
| 485 |
} |
| 486 |
|
| 487 |
JOptionPane.showMessageDialog(butVerify, message);
|
| 488 |
} |
| 489 |
|
| 490 |
} |
| 491 |
} |
| 492 |
} |
| 493 |
|
| 494 |
}; |
| 495 |
|
| 496 |
private Hashtable<String, Value> getSymbolsTable(String[] fNames) { |
| 497 |
Hashtable<String, Value> parser_symbol_table = new Hashtable<String, Value>(); |
| 498 |
|
| 499 |
for (int j = 0; j < fNames.length; j++) { |
| 500 |
try {
|
| 501 |
parser_symbol_table.put(fNames[j], dataSource.getFieldValue(0, j));
|
| 502 |
} catch (ReadDriverException e) {
|
| 503 |
e.printStackTrace(); |
| 504 |
} |
| 505 |
} |
| 506 |
return parser_symbol_table;
|
| 507 |
} |
| 508 |
|
| 509 |
|
| 510 |
private String getFieldType(Object selectedValue) { |
| 511 |
String cad = null; |
| 512 |
int type;
|
| 513 |
|
| 514 |
try {
|
| 515 |
type = dataSource.getFieldType(dataSource.getFieldIndexByName(selectedValue.toString())); |
| 516 |
|
| 517 |
switch (type) {
|
| 518 |
case Types.INTEGER: |
| 519 |
case Types.BIGINT: |
| 520 |
case Types.DECIMAL: |
| 521 |
case Types.DOUBLE: |
| 522 |
case Types.FLOAT: |
| 523 |
case Types.NUMERIC: |
| 524 |
cad = PluginServices.getText(this, "numeric_value"); |
| 525 |
break;
|
| 526 |
case Types.LONGVARCHAR: |
| 527 |
case Types.VARCHAR: |
| 528 |
cad=PluginServices.getText(this,"string_value"); |
| 529 |
break;
|
| 530 |
case Types.BOOLEAN: |
| 531 |
cad=PluginServices.getText(this,"boolean_value"); |
| 532 |
break;
|
| 533 |
case Types.DATE: |
| 534 |
cad=PluginServices.getText(this,"date_value"); |
| 535 |
break;
|
| 536 |
} |
| 537 |
} catch (ReadDriverException e) {
|
| 538 |
e.printStackTrace(); |
| 539 |
} |
| 540 |
return cad;
|
| 541 |
} |
| 542 |
|
| 543 |
|
| 544 |
private class MyListener implements MouseListener, MouseMotionListener,KeyListener { |
| 545 |
|
| 546 |
public void mouseClicked(MouseEvent e) {/*Nothing*/} |
| 547 |
public void mouseEntered(MouseEvent e) {/*Nothing*/} |
| 548 |
public void mouseExited(MouseEvent e) {/*Nothing*/} |
| 549 |
public void mouseReleased(MouseEvent e) {/*Nothing*/} |
| 550 |
public void mouseDragged(MouseEvent e) {/*Nothing*/} |
| 551 |
public void mouseMoved(MouseEvent e) {/*Nothing*/} |
| 552 |
public void keyTyped(KeyEvent e) {/*Nothing*/} |
| 553 |
public void keyPressed(KeyEvent e) {/*Nothing*/} |
| 554 |
|
| 555 |
public void keyReleased(KeyEvent e) { |
| 556 |
if (operatorsList.getSelectedValue() != null) |
| 557 |
operatorPatternText.setText(OperatorsUtils.getPatternByName(operatorsList.getSelectedValue().toString())); |
| 558 |
if(fieldNamesList.getSelectedValue() != null) |
| 559 |
fieldPatternText.setText(getFieldType(fieldNamesList.getSelectedValue())); |
| 560 |
|
| 561 |
repaint(); |
| 562 |
} |
| 563 |
|
| 564 |
public void mousePressed(MouseEvent e) { |
| 565 |
if (operatorsList.getSelectedValue() != null) |
| 566 |
operatorPatternText.setText(OperatorsUtils.getPatternByName(operatorsList.getSelectedValue().toString())); |
| 567 |
if(fieldNamesList.getSelectedValue() != null) |
| 568 |
fieldPatternText.setText(getFieldType(fieldNamesList.getSelectedValue())); |
| 569 |
|
| 570 |
repaint(); |
| 571 |
} |
| 572 |
} |
| 573 |
|
| 574 |
private boolean verifyExpression() { |
| 575 |
Expression exp = null; |
| 576 |
Hashtable<String, Value> symbols = getSymbolsTable(fieldNames); |
| 577 |
|
| 578 |
try {
|
| 579 |
parser = new ExpressionParser(new StringReader(expressionArea.getText())); |
| 580 |
parser.Expression(); |
| 581 |
parser.getStack(); |
| 582 |
exp = parser.getExpression(); |
| 583 |
exp.check(symbols); |
| 584 |
if(exp.evaluate(symbols).toString().compareTo("true") == 0 |
| 585 |
|| exp.evaluate(symbols).toString().compareTo("false") == 0) |
| 586 |
|
| 587 |
return true; |
| 588 |
else
|
| 589 |
return false; |
| 590 |
|
| 591 |
} catch (ParseException e1) { |
| 592 |
return false; |
| 593 |
} catch (ExpressionException e2) {
|
| 594 |
return false; |
| 595 |
} |
| 596 |
|
| 597 |
} |
| 598 |
|
| 599 |
public String[] getOperators() {return operators;} |
| 600 |
public void setOperators(String[] operators) {this.operators = operators;} |
| 601 |
public String getExpression() {return expression;} |
| 602 |
|
| 603 |
public Object[] getFieldNamesExpression() {return fieldNamesExpression;} |
| 604 |
public void setFieldNamesExpression(Object[] objects) {this.fieldNamesExpression = objects;} |
| 605 |
public void setDescriptionForExpression(String descriptionForExpression) { |
| 606 |
this.descriptionForExpression = descriptionForExpression;
|
| 607 |
description.setText(this.descriptionForExpression);
|
| 608 |
} |
| 609 |
public void setSymbolForExpression(ISymbol symbolForExpression) { |
| 610 |
this.symbolForExpression = symbolForExpression;
|
| 611 |
this.symbol.setSymbol(this.symbolForExpression); |
| 612 |
} |
| 613 |
|
| 614 |
|
| 615 |
|
| 616 |
public void setExpression(String text) { |
| 617 |
this.expression = text;
|
| 618 |
expressionArea.setText(text); |
| 619 |
|
| 620 |
} |
| 621 |
public String getDescriptionForExpression() { |
| 622 |
|
| 623 |
if(descriptionForExpression == null || descriptionForExpression.compareTo("") == 0) |
| 624 |
descriptionForExpression = this.expressionArea.getText();
|
| 625 |
|
| 626 |
return descriptionForExpression;
|
| 627 |
} |
| 628 |
|
| 629 |
public ISymbol getSymbolForExpression() {
|
| 630 |
|
| 631 |
if(symbol.getSymbol() != null) |
| 632 |
symbolForExpression =symbol.getSymbol(); |
| 633 |
|
| 634 |
if(symbolForExpression == null) |
| 635 |
symbolForExpression = SymbologyFactory.createDefaultSymbolByShapeType(shapeType); |
| 636 |
|
| 637 |
symbolForExpression.setDescription(getDescriptionForExpression()); |
| 638 |
return symbolForExpression;
|
| 639 |
} |
| 640 |
} |
| 641 |
|