Application: gvSIG desktop

/*

 * Created on 30-abr-2004

 *

 * To change the template for this generated file go to

 * Window>Preferences>Java>Code Generation>Code and Comments

 */

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

 *

 * Copyright (C) 2004 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.app.project.documents.view.legend.gui;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.BorderFactory;

import javax.swing.BoxLayout;

import javax.swing.ImageIcon;

import javax.swing.JComponent;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.border.TitledBorder;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.app.gui.styling.SymbolLevelsWindow;

import org.gvsig.app.gui.styling.SymbolPreviewer;

import org.gvsig.app.gui.styling.SymbolSelector;

import org.gvsig.fmap.dal.exception.ReadException;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect;

import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;

import org.gvsig.fmap.mapcontext.rendering.legend.ZSort;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

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

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

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl.AbstractVectorialLegend;

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl.SingleSymbolLegend;

/**

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 */

public class SingleSymbol extends JPanel implements ILegendPanel, ActionListener {

        private JPanel symbolPanel = null;

        private int shapeType;

        private GridBagLayoutPanel legendPanel = null;

        private SymbolPreviewer symbolPreviewComponent;

        private JButton btnOpenSymbolSelector;

        private JTextField txtLabel;

        private JButton btnOpenSymbolLevelsEditor;

        private SingleSymbolLegend legend;

        private ZSort zSort;

        public SingleSymbol() {

                super();

                initialize();

        }

        /**

         * This method initializes this

         *

         */

        private void initialize() {

        this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

        this.setSize(new java.awt.Dimension(490,379));

        this.add(getSymbolPanel(), null);

        this.add(getLegendPanel(), null);

        }

        public void setData(FLayer lyr, ILegend legend) {

                try {

                        shapeType = ((FLyrVect) lyr).getShapeType();

                } catch (ReadException e) {

                        NotificationManager.addError("Could not find out the shape type" ,e);

                }

                if (legend instanceof SingleSymbolLegend) {

                        setSymbol(legend.getDefaultSymbol());

                        this.legend = (SingleSymbolLegend) legend;

                } else {

                        this.legend = (SingleSymbolLegend) MapContextLocator

                                        .getMapContextManager().createLegend(

                                                        SingleSymbolLegend.LEGEND_NAME);

                        this.legend.setShapeType(shapeType);

//                        LegendFactory.

//                                        createSingleSymbolLegend(shapeType);

                }

                getSymbolPreviewPanel().setSymbol(this.legend.getDefaultSymbol());

                getBtnOpenSymbolLevelsEditor().setEnabled(legend!=null);

                this.txtLabel.setText(legend.getDefaultSymbol().getDescription());

        }

        /* (non-Javadoc)

         * @see com.iver.cit.gvsig.gui.legendmanager.panels.ILegendPanel#getLegend()

         */

        public ILegend getLegend() {

                ISymbol symbol = getSymbolPreviewPanel().getSymbol();

                symbol.setDescription(txtLabel.getText());

                AbstractVectorialLegend leg = new SingleSymbolLegend();

                leg.setShapeType(shapeType);

                leg.setDefaultSymbol(symbol);

                leg.setZSort(zSort);

                return leg;

        }

        public String getDescription() {

                return PluginServices.getText(this,"Muestra_todos_s_elementos_de_una_capa_usando_el_mismo_simbolo");

        }

        public Class getParentClass() {

                return Features.class;

        }

        public String getTitle() {

                return PluginServices.getText(this,"Simbolo_unico");

        }

        public JPanel getPanel() {

                return this;

        }

        public ImageIcon getIcon() {

                return IconThemeHelper.getImageIcon("legend-overview-single-symbol");

        }

        public Class getLegendClass() {

                return SingleSymbolLegend.class;

        }

        /**

         * This method initializes symbolPanel

         *

         * @return javax.swing.JPanel

         */

        private JPanel getSymbolPanel() {

                if (symbolPanel == null) {

                        symbolPanel = new JPanel();

                        symbolPanel.setBorder(

                                        BorderFactory.createTitledBorder(null, "symbol", TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, null));

                        symbolPanel.add(getSymbolPreviewPanel());

                        symbolPanel.add(getBtnOpenSymbolSelector());

                        symbolPanel.add(getBtnOpenSymbolLevelsEditor());

                }

                return symbolPanel;

        }

        private JButton getBtnOpenSymbolLevelsEditor() {

                if (btnOpenSymbolLevelsEditor == null) {

                        btnOpenSymbolLevelsEditor = new JButton(PluginServices.getText(this, "symbol_levels"));

                        btnOpenSymbolLevelsEditor.addActionListener(this);

                        btnOpenSymbolLevelsEditor.setEnabled(legend != null);

                }

                return btnOpenSymbolLevelsEditor;

        }

        private JButton getBtnOpenSymbolSelector() {

                if (btnOpenSymbolSelector == null) {

                        btnOpenSymbolSelector = new JButton();

                        btnOpenSymbolSelector.setText(PluginServices.getText(this, "choose_symbol"));

                        btnOpenSymbolSelector.addActionListener(this);

                }

                return btnOpenSymbolSelector;

        }

        private SymbolPreviewer getSymbolPreviewPanel() {

                if (symbolPreviewComponent == null) {

                        symbolPreviewComponent = new SymbolPreviewer();

                        symbolPreviewComponent.setBorder(BorderFactory.createBevelBorder(1));

                        symbolPreviewComponent.setPreferredSize(new Dimension(120, 40));

                }

                return symbolPreviewComponent;

        }

        /**

         * This method initializes legendPanel

         *

         * @return javax.swing.JPanel

         */

        private GridBagLayoutPanel getLegendPanel() {

                if (legendPanel == null) {

                        legendPanel = new GridBagLayoutPanel();

                        legendPanel.setBorder(BorderFactory.createTitledBorder(null,

                                        PluginServices.getText(this, "legend"), TitledBorder.DEFAULT_JUSTIFICATION, TitledBorder.DEFAULT_POSITION, null, null));

                        legendPanel.addComponent(PluginServices.getText(this, "label_text_in_the_TOC") + ":", txtLabel = new JTextField(25));

                        txtLabel.addActionListener(this);

                }

                return legendPanel;

        }

        public void setShapeType(int shapeType) {

                this.shapeType = shapeType;

        }

        public void setSymbol(ISymbol symbol) {

                setOnlySymbol(symbol);

                if(symbol.getDescription() != null) {

                        txtLabel.setText(symbol.getDescription());

                }

        }

        private void setOnlySymbol(ISymbol symbol){

                getSymbolPreviewPanel().setSymbol(symbol);

                if (legend != null){

                        legend.setDefaultSymbol(symbol);

                }

        }

        public ISymbol getSymbol() {

                ISymbol symbol = getSymbolPreviewPanel().getSymbol();

                symbol.setDescription(txtLabel.getText());

                return symbol;

        }

        public boolean isSuitableFor(FLayer layer) {

                return (layer instanceof FLyrVect) ;

        }

        public void actionPerformed(ActionEvent e) {

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

                if (c.equals(getBtnOpenSymbolSelector())){

                        ISymbolSelector se = SymbolSelector.createSymbolSelector(getSymbol(), shapeType);

                        PluginServices.getMDIManager().addWindow(se);

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

                        if (sym != null) {

                                // no symbol, no changes

                                setOnlySymbol(sym);

                        }

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

                        if (legend != null) {

                                ZSort myZSort = legend.getZSort();

                                if (myZSort == null) {

                                        myZSort = new ZSort(legend);

                                }

                                SymbolLevelsWindow sl = new SymbolLevelsWindow(myZSort);

                                PluginServices.getMDIManager().addWindow(sl);

                                zSort = sl.getZSort();

                        }

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

                        getSymbolPreviewPanel().getSymbol().setDescription(txtLabel.getText());

                }

        }

}