| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package org.gvsig.symbology.gui.styling;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.Font;

import java.awt.GridLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.util.ArrayList;

import javax.swing.BorderFactory;

import javax.swing.JLabel;

import javax.swing.JOptionPane;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.gvsig.gui.beans.AcceptCancelPanel;

import org.gvsig.gui.beans.swing.GridBagLayoutPanel;

import org.gvsig.gui.beans.swing.JButton;

import com.iver.andami.PluginServices;

import com.iver.andami.messages.NotificationManager;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.WindowInfo;

import com.iver.cit.gvsig.fmap.core.CartographicSupport;

import com.iver.cit.gvsig.fmap.core.FShape;

import com.iver.cit.gvsig.fmap.core.styles.ILabelStyle;

import com.iver.cit.gvsig.fmap.core.symbols.ISymbol;

import com.iver.cit.gvsig.fmap.core.symbols.ITextSymbol;

import com.iver.cit.gvsig.fmap.rendering.styling.labeling.LabelClass;

import com.iver.cit.gvsig.gui.styling.SelectorFilter;

import com.iver.cit.gvsig.gui.styling.StyleSelector;

import com.iver.cit.gvsig.gui.styling.SymbolPreviewer;

import com.iver.cit.gvsig.gui.styling.SymbolSelector;

import com.iver.cit.gvsig.gui.utils.FontChooser;

import com.iver.cit.gvsig.project.documents.view.legend.gui.ISymbolSelector;

import com.iver.utiles.swing.JComboBox;

/**

 * 

 * LabelClassRenderingProperties.java

 *

 * 

 * @author jaume dominguez faus - jaume.dominguez@iver.es Feb 29, 2008

 *

 */

public class LabelClassRenderingProperties extends GridBagLayoutPanel implements ActionListener{

        private SymbolPreviewer previewer;

        private JComboBox cmbExpressions;

        private JButton btnFont;

        private JButton btnSymbol;

        private JButton btnLabelStyles;

        private JButton btnEditExpression;

        private LabelClass lc;

        private ArrayList<String> expressions;

//        private ILabelingMethod method;

        private String[] fieldNames;

        private boolean noEvent = false;

        private class ExprEditorPanel extends JPanel implements IWindow {

                private static final long serialVersionUID = -3867224882591879900L;

                private ActionListener action = new ActionListener() {

                        public void actionPerformed(ActionEvent e) {

                                if ("OK".equals(e.getActionCommand())) {

                                        if (validateExpr())

                                                PluginServices.getMDIManager().closeWindow(

                                                                ExprEditorPanel.this);

                                        else

                                                JOptionPane.showMessageDialog(ExprEditorPanel.this,

                                                                PluginServices.getText(this, "syntax_error"),

                                                                PluginServices.getText(this, "error"),

                                                                JOptionPane.ERROR_MESSAGE);

                                } else {

                                        getTxtExpression().setText(lastExtression);

                                        PluginServices.getMDIManager().closeWindow(

                                                        ExprEditorPanel.this);

                                }

                        }

                };

                private JTextField txtExpression;

                private String lastExtression;

                public ExprEditorPanel(String currentExpression) {

                        super();

                        initialize();

                        lastExtression = currentExpression;

                        getTxtExpression().setText(currentExpression);

                }

                private void initialize() {

                        GridBagLayoutPanel content = new GridBagLayoutPanel();

                        content.addComponent(new JLabel(" "+PluginServices.getText(this, "label_expression_help")));

                        content.addComponent(

                                        " "+PluginServices.getText(this, "expression")+":",

                                        getTxtExpression());

                        setLayout(new BorderLayout(5, 5));

                        add(content, BorderLayout.CENTER);

                        add(new AcceptCancelPanel(action, action), BorderLayout.SOUTH);

                        setSize(new Dimension(300, 80));

                }

                private JTextField getTxtExpression() {

                        if (txtExpression == null) {

                                txtExpression = new JTextField(25);

                        }

                        return txtExpression;

                }

                public String getExpression() {

                        return getTxtExpression().getText();

                }

                public WindowInfo getWindowInfo() {

                        WindowInfo viewInfo = new WindowInfo(WindowInfo.MODALDIALOG);

                        viewInfo.setWidth(getWidth());

                        viewInfo.setHeight(getHeight());

                        viewInfo.setTitle(PluginServices.getText(this,"label_expression_editor"));

                        return viewInfo;

                }

                private boolean validateExpr() {

                        // TODO : implement it

                        return true;

                }

        }

        public LabelClassRenderingProperties() {

                initialize();

        }

        private void initialize() {

                JPanel aux = new JPanel(new FlowLayout(FlowLayout.LEADING, 5, 0));

                aux.setBorder(BorderFactory.createTitledBorder(

                                null, PluginServices.getText(this, "text_string")));

                aux.add(new JLabel(PluginServices.getText(this, "expression")+":"));

                aux.add(getCmbExpressions());

                aux.add(getBtnEditExpression());

                aux.setPreferredSize(new Dimension(612, 60));

                addComponent(aux);

                aux = new JPanel(new FlowLayout(FlowLayout.LEADING, 5, 0));

                aux.setBorder(BorderFactory.createTitledBorder(

                                null, PluginServices.getText(this, "text_symbol")));

                aux.add(getSymbolPreviewer());

                JPanel aux2 = new JPanel();

                aux2.add(getBtnFont());

                aux2.add(getBtnSymbol());

                aux2.add(getBtnLabelStyles());

                aux2.setLayout(new GridLayout(aux2.getComponentCount(), 1));

                aux.add(aux2);

                aux.setPreferredSize(new Dimension(612, 100));

                addComponent(aux);

        }

        public void setFieldNames(String[] fieldNames) {

                this.fieldNames = fieldNames;

        }

        private void refreshCmbExpressions() {

                ArrayList<String> exp = getExpressions();

                noEvent = true;

                if ( lc != null && 

                                lc.getLabelExpression()!=null && 

                                !lc.getLabelExpression().equals("") && 

                                !exp.contains(lc.getLabelExpression())) {

                        exp.add(0, lc.getLabelExpression());

                }

                getCmbExpressions().removeAllItems();

                for (int i = 0; i < exp.size(); i++) {

                        getCmbExpressions().addItem(exp.get(i));

                }

                if (lc != null) {

                        getCmbExpressions().setSelectedItem(lc.getLabelExpression());

                } else {

                        getCmbExpressions().setSelectedItem(exp.get(0));

                }

                noEvent  = false;

        }

        private JButton getBtnEditExpression() {

                if (btnEditExpression == null) {

                        btnEditExpression = new JButton(

                                        PluginServices.getText(this, "edit_expression")+"...");

                        btnEditExpression.setName("BTNEDITEXPRESSION");

                        btnEditExpression.addActionListener(this);

                }

                return btnEditExpression;

        }

        private JButton getBtnSymbol() {

                if (btnSymbol == null) {

                        btnSymbol = new JButton(PluginServices.getText(this, "symbol"));

                        btnSymbol.setName("BTNSYMBOL");

                        btnSymbol.addActionListener(this);

                }

                return btnSymbol;

        }

        private ArrayList<String> getExpressions() {

                if (expressions == null) {

                        expressions = new ArrayList<String>();

                        try {

                                for (int i = 0; i < fieldNames.length; i++) {

                                        expressions.add("["+fieldNames[i]+"];");

                                }

                        } catch (Exception e) {

                                NotificationManager.addError(

                                                PluginServices.getText(

                                                                this, "could_not_retreive_layer_field_names"), e);

                        }

                }

                return expressions;

        }

        private JComboBox getCmbExpressions() {

                if (cmbExpressions == null) {

                        cmbExpressions = new JComboBox();

                        cmbExpressions.setPreferredSize(new Dimension(150, 20));

                        cmbExpressions.setName("CMBEXPRESSIONS");

                        cmbExpressions.addActionListener(this);

                }

                return cmbExpressions;

        }

        private JButton getBtnFont() {

                if (btnFont == null) {

                        btnFont = new JButton(

                                        PluginServices.getText(this,"fuente")+"...");

                        btnFont.setName("BTNFONT");

                        btnFont.addActionListener(this);

                }

                return btnFont;

        }

        private SymbolPreviewer getSymbolPreviewer() {

                if (previewer == null) {

                        previewer = new SymbolPreviewer();

                        previewer.setPreferredSize(new Dimension(420, 65));

                }

                return previewer;

        }

        public void setModel(LabelClass lc) {

                this.lc = lc;

                refreshCmbExpressions();

                refreshTextSymbolPreviewer();

        }

        public void actionPerformed(ActionEvent e) {

                if (noEvent) return;

                Component c = (Component) e.getSource();

                if (c.equals(btnEditExpression)) {

                        ExprEditorPanel ep = new ExprEditorPanel((String) getCmbExpressions().

                                        getSelectedItem());

                        PluginServices.getMDIManager().addWindow( ep );

                        getCmbExpressions().addItem(ep.getExpression());

                        getCmbExpressions().setSelectedItem(ep.getExpression());

                        lc.setLabelExpression(ep.getExpression());

                } else if (c.equals(btnFont)) {

                        Font labelFont = lc.getTextSymbol().getFont();

                        Font newFont = FontChooser.showDialog(PluginServices.getText(this, "font"), labelFont);

                        if (newFont != null) {

                                lc.getTextSymbol().setFont(newFont);

                        }

                        refreshTextSymbolPreviewer();

                } else if (c.equals(btnLabelStyles)) {

                        // here open symbol selector

                        StyleSelector stySel = new StyleSelector(

                                        lc.getLabelStyle(),

                                        FShape.TEXT );

                        stySel.setUnit(lc.getUnit());

                        stySel.setReferenceSystem(lc.getReferenceSystem());

                        PluginServices.getMDIManager().addWindow(stySel);

                        ILabelStyle sty = (ILabelStyle) stySel.getSelectedObject();

                        if (sty != null) {

                                // gather the style and apply to the class

                                lc.setLabelStyle(sty);

                                lc.setUnit(stySel.getUnit());

                                lc.setReferenceSystem(stySel.getReferenceSystem());

                        }

                } else if (c.equals(cmbExpressions)) {

                        lc.setLabelExpression((String) cmbExpressions.getSelectedItem());

                } if (c.equals(btnSymbol)) {

                        // here open symbol selector

                        ISymbolSelector symSel = SymbolSelector.createSymbolSelector(lc.getTextSymbol(),

                                        FShape.TEXT,

                                        new SelectorFilter() {

                                                public boolean accepts(Object obj) {

                                                        if (obj instanceof ISymbol) {

                                                                ISymbol sym = (ISymbol) obj;

                                                                return sym.getSymbolType() == FShape.TEXT;

                                                        }

                                                        return false;

                                                }

                                        });

                        PluginServices.getMDIManager().addWindow(symSel);

                        ISymbol sym = (ISymbol) symSel.getSelectedObject();

                        if (sym != null) {

                                // gather the symbol and apply to the class

                                if (sym instanceof CartographicSupport) {

                                        CartographicSupport csSty = (CartographicSupport) sym;

                                        lc.setUnit(csSty.getUnit());

                                        lc.setReferenceSystem(csSty.getReferenceSystem());

                                }

                                lc.setTextSymbol((ITextSymbol) sym);

                        }

                        refreshTextSymbolPreviewer();

                } 

        }

        private JButton getBtnLabelStyles() {

                if (btnLabelStyles == null) {

                        btnLabelStyles = new JButton(

                                        PluginServices.getText(this, "label_styles")+"...");

                        btnLabelStyles.setName("BTNLABELSTYLES");

                        btnLabelStyles.addActionListener(this);

                }

                return btnLabelStyles;

        }

        private void refreshTextSymbolPreviewer() {

                ITextSymbol textSym = lc.getTextSymbol();

                textSym.setText(PluginServices.getText(this, "GeneralLabeling.sample_text"));

                getSymbolPreviewer().setSymbol(textSym);

        }

}