| 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.app.gui.styling;

import java.awt.FlowLayout;

import java.awt.GridLayout;

import java.awt.event.ActionListener;

import javax.swing.BorderFactory;

import javax.swing.ButtonGroup;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.project.documents.view.legend.gui.ISymbolSelector;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.MapContextLocator;

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

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

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

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.IFillSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style.DefaultMask;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.style.IMask;

/**

 * Implements a tab to modify attributes of a mask as style,size and

 * symbol (to represent a point in the map)which can be applied to

 * symbols like simple text, simple marker,picture marker and character marker.<p>

 * <p>

 * This tab is used several times in different places in our applicattion .For

 * this reason, in order to avoid the repetition of code, this class has been

 * created (instead of treat it like a simple tab). With this solution, the user

 * only has to refer it to use it (and do not need to create a tab and fill it again

 * and so on).

 *

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

 */

public class Mask extends JPanel {

        private JButton btnHaloSymbol;

        private JRadioButton rdBtnHalo;

        private JRadioButton rdBtnNone;

        private JIncrementalNumberField txtHaloSize;

        private IFillSymbol fill;

        private AbstractTypeSymbolEditor owner;

        private ActionListener action = new ActionListener() {

                public void actionPerformed(java.awt.event.ActionEvent e) {

                        owner.fireSymbolChangedEvent();

                };

        };

        /**

         * Constructor method that initializes the parameters to create a tab to modify

         * attributes of a mask for points such as style,size and symbol (to represent a point

         * in the map).

         * @param owner

         */

        public Mask(AbstractTypeSymbolEditor owner) {

                super();

                setName(PluginServices.getText(this, "mask"));

                this.owner = owner;

                GridBagLayoutPanel aux = new GridBagLayoutPanel();

                aux.setBorder(BorderFactory.createTitledBorder(PluginServices.getText(this, "style")));

                JPanel stylePanel = new JPanel(new GridLayout(2, 1));

                stylePanel.add(getRdNone());

                stylePanel.add(getRdHalo());

                aux.addComponent(stylePanel);

                ButtonGroup group = new ButtonGroup();

                group.add(getRdNone());

                group.add(getRdHalo());

                JPanel aux2 = new JPanel(new FlowLayout(FlowLayout.LEADING, 5, 5));

                aux2.add(new JLabel(PluginServices.getText(this, "size")+":"));

                aux2.add(getTxtHaloSize());

                aux2.add(getBtnHaloSymbol());

                getRdNone().addActionListener(action);

                getRdHalo().addActionListener(action);

                getTxtHaloSize().addActionListener(action);

                add(aux);

                add(aux2);

        }

        /**

         * Obbtains the size for the text halo.This size is taken from a

         * JIncrementalNumberField. If this component does not exist,

         * a new JIncrementalNumberField is created to specify it.

         * @return

         */

        private JIncrementalNumberField getTxtHaloSize() {

                if (txtHaloSize == null) {

                        txtHaloSize = new JIncrementalNumberField(String.valueOf(0), 5, 0, Double.MAX_VALUE, 1);

                }

                return txtHaloSize;

        }

        /**

         * Creates the button that allows the user to select the symbol that will substitute

         * a point in the map.

         * @return

         */

        private JButton getBtnHaloSymbol() {

                if (btnHaloSymbol == null) {

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

                        btnHaloSymbol.addActionListener(new ActionListener() {

                                public void actionPerformed(java.awt.event.ActionEvent e) {

                                        ISymbolSelector symSel = SymbolSelector.createSymbolSelector(

                                                        fill, Geometry.TYPES.SURFACE);

                                        PluginServices.getMDIManager().addCentredWindow(symSel);

                                        fill = (IFillSymbol) symSel.getSelectedObject();

                                };

                        });

                }

                return btnHaloSymbol;

        }

        /**

         * Determines if the halo style is selected.If the Radio button

         * that determines this information does not exist, a new radio button

         * is created for this purpose.

         * @return

         */

        private JRadioButton getRdHalo() {

                if (rdBtnHalo == null) {

                        rdBtnHalo = new JRadioButton(PluginServices.getText(this, "halo"));

                }

                return rdBtnHalo;

        }

        /**

         * Determines if there will be no defined style for a point (without halo).

         * If the Radio button that determines this information does not exist,

         * a new radio button is created for this purpose.

         * @return

         */

        private JRadioButton getRdNone() {

                if (rdBtnNone == null) {

                        rdBtnNone = new JRadioButton(PluginServices.getText(this, "none"));

                        rdBtnNone.setSelected(true);

                }

                return rdBtnNone;

        }

        /**

         * Sets the graphical component that shows the properties of the model.

         * @param mask

         */

        public void setModel(IMask mask) {

                if (mask != null) {

                        getTxtHaloSize().setDouble(mask.getSize());

                        fill = mask.getFillSymbol();

                }

                getRdHalo().setSelected(mask != null);

        }

        /**

         * Returns an IMask or null depending on the option

         * that the user had decided (if he wants a mask or not)in the tab "mask" inside

         * the panel to edit the properities of a symbol (SymbolEditor).

         * If the user

         * wants it, a new IMask is created.

         * @return

         */

        public IMask getMask() {

                if (!getRdHalo().isSelected()) return null;

                IMask mask = new DefaultMask();

                if (fill == null) {

                        fill = (IFillSymbol) MapContextLocator.getMapContextManager()

                                        .createSymbol(IFillSymbol.SYMBOL_NAME);

                }

                mask.setFillSymbol(fill);

                mask.setSize(getTxtHaloSize().getDouble());

                return mask;

        }

}