Application: gvSIG desktop

/* 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

 */

/* CVS MESSAGES:

*

* $Id: LayoutPage.java 7869 2006-10-04 09:06:35Z jaume $

* $Log$

* Revision 1.4  2006-10-04 09:06:35  jaume

* *** empty log message ***

*

* Revision 1.3  2006/10/04 07:23:53  jaume

* refactored ambiguous methods and field names and added some more features for preference pages

*

* Revision 1.2  2006/10/03 11:12:41  jaume

* initialize values

*

* Revision 1.1  2006/10/03 10:33:34  jaume

* *** empty log message ***

*

*

*/

package com.iver.cit.gvsig.gui.preferencespage;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JPanel;

import javax.swing.JTextField;

import com.iver.andami.PluginServices;

import com.iver.andami.preferences.AbstractPreferencePage;

import com.iver.andami.preferences.StoreException;

import com.iver.cit.gvsig.gui.layout.Attributes;

import com.iver.cit.gvsig.gui.layout.Layout;

import com.iver.utiles.XMLEntity;

/**

 * Layout preference page where the user can establish default values for

 * <ol>

 *  <li><b>grid horizontal gap</b></li>

 *  <li><b>grid vertical gap</b></li>

 *  <li><b>show or hide grid</b></li>

 *  <li><b>adjust elements to grid</b></li>

 *  <li><b>show or hide rules</b></li>

 * </ol>

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

 *

 */

public class LayoutPage extends AbstractPreferencePage{

        private static final boolean FACTORY_DEFAULT_LAYOUT_ENABLE_RULES = true;

        private static final boolean FACTORY_DEFAULT_LAYOUT_GRID_SHOW = true;

        private static final double FACTORY_DEFAULT_VERTICAL_GAP = 0.25;

        private static final double FACTORY_DEFAULT_HORIZONTAL_GAP = 0.25;

        private static final boolean FACTORY_DEFAULT_LAYOUT_GRID_ENABLE = false;

        private static final String DEFAULT_SHOW_LAYOUT_GRID_KEY_NAME = "DefaultShowLayoutGrid";

        private static final String DEFAULT_ENABLE_LAYOUT_GRID_KEY_NAME = "DefaultEnableLayoutGrid";

        private static final String DEFAULT_SHOW_LAYOUT_RULES_KEY_NAME = "DefaultShowLayoutRules";

        private static final String DEFAULT_LAYOUT_GRID_VERTICAL_GAP_KEY_NAME = "DefaultGridVerticalGap";

        private static final String DEFAULT_LAYOUT_GRID_HORIZONTAL_GAP_KEY_NAME = "DefaultGridHorizontalGap";

        private String id;

        private ImageIcon icon;

        private JCheckBox chkGridEnabled;

        private JCheckBox chkShowRules;

        private JCheckBox chkShowGrid;

        private JTextField txtVGap;

        private JTextField txtHGap;

        /**

         * Builds preference page where the user can establish default values for

         * <ol>

         *  <li><b>grid horizontal gap</b></li>

         *  <li><b>grid vertical gap</b></li>

         *  <li><b>show or hide grid</b></li>

         *  <li><b>adjust elements to grid</b></li>

         *  <li><b>show or hide rules</b></li>

         * </ol>

         */

        public LayoutPage() {

                super();

                id = this.getClass().getName();

                icon = new ImageIcon(this.getClass().getClassLoader().getResource("images/mapas.png"));

                // horizontal gap text field

                addComponent(PluginServices.getText(this, "espaciado_horizontal"), txtHGap = new JTextField(5));

                // vertical gap text field

                addComponent(PluginServices.getText(this, "espaciado_vertical"), txtVGap = new JTextField(5));

                // show/hide show check

                addComponent(chkShowGrid = new JCheckBox(PluginServices.getText(this, "visualizar_cuadricula")));

                // enable/disable grid

                addComponent(chkGridEnabled = new JCheckBox(PluginServices.getText(this, "malla_activada")));

                // show/hide rules

                addComponent(chkShowRules = new JCheckBox(PluginServices.getText(this, "activar_regla")));

        }

        public void storeValues() throws StoreException {

                double hGap, vGap;

                boolean gridEnabled, showRules, showGrid;

                try {

                        hGap = Double.parseDouble(txtHGap.getText());

                        vGap = Double.parseDouble(txtVGap.getText());

                        gridEnabled = chkGridEnabled.isSelected();

                        showGrid = chkShowGrid.isSelected();

                        showRules = chkShowRules.isSelected();

                } catch (Exception e) {

                        throw new StoreException(PluginServices.getText(this, "invalid_value_for_gap"));

                }

                Layout.setDefaultShowGrid(showGrid);

                Layout.setDefaultAdjustToGrid(gridEnabled);

                Layout.setDefaultShowRulers(showRules);

                Attributes.setDefaultGridGap(hGap, vGap);

                PluginServices ps = PluginServices.getPluginServices(this);

                XMLEntity xml = ps.getPersistentXML();

                xml.putProperty(DEFAULT_LAYOUT_GRID_HORIZONTAL_GAP_KEY_NAME, hGap);

                xml.putProperty(DEFAULT_LAYOUT_GRID_VERTICAL_GAP_KEY_NAME, vGap);

                xml.putProperty(DEFAULT_SHOW_LAYOUT_GRID_KEY_NAME, showGrid);

                xml.putProperty(DEFAULT_ENABLE_LAYOUT_GRID_KEY_NAME, gridEnabled);

                xml.putProperty(DEFAULT_SHOW_LAYOUT_RULES_KEY_NAME, showRules);

        }

        public String getID() {

                return id;

        }

        public String getTitle() {

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

        }

        public JPanel getPanel() {

                return this;

        }

        public void initializeValues() {

                PluginServices ps = PluginServices.getPluginServices(this);

                XMLEntity xml = ps.getPersistentXML();

                // horizontal gap

                if (xml.contains(DEFAULT_LAYOUT_GRID_HORIZONTAL_GAP_KEY_NAME)) {

                        txtHGap.setText(String.valueOf(

                                xml.getDoubleProperty(DEFAULT_LAYOUT_GRID_HORIZONTAL_GAP_KEY_NAME)));

                } else {

                        txtHGap.setText(String.valueOf(FACTORY_DEFAULT_HORIZONTAL_GAP));

                }

                // vertical gap

                if (xml.contains(DEFAULT_LAYOUT_GRID_VERTICAL_GAP_KEY_NAME)) {

                        txtVGap.setText(String.valueOf(

                                xml.getDoubleProperty(DEFAULT_LAYOUT_GRID_VERTICAL_GAP_KEY_NAME)));

                } else {

                        txtVGap.setText(String.valueOf(FACTORY_DEFAULT_VERTICAL_GAP));

                }

                // show/hide grid check

                if (xml.contains(DEFAULT_SHOW_LAYOUT_GRID_KEY_NAME)) {

                        chkShowGrid.setSelected(

                                xml.getBooleanProperty(DEFAULT_SHOW_LAYOUT_GRID_KEY_NAME));

                } else {

                        chkShowGrid.setSelected(FACTORY_DEFAULT_LAYOUT_GRID_SHOW);

                }

                // enable/disable grid check

                if (xml.contains(DEFAULT_ENABLE_LAYOUT_GRID_KEY_NAME)) {

                        chkGridEnabled.setSelected(

                                xml.getBooleanProperty(DEFAULT_ENABLE_LAYOUT_GRID_KEY_NAME));

                } else {

                        chkGridEnabled.setSelected(FACTORY_DEFAULT_LAYOUT_GRID_ENABLE);

                }

                // enable/disable rules

                if (xml.contains(DEFAULT_SHOW_LAYOUT_RULES_KEY_NAME)) {

                        chkShowRules.setSelected(

                                xml.getBooleanProperty(DEFAULT_SHOW_LAYOUT_RULES_KEY_NAME));

                } else {

                        chkShowRules.setSelected(FACTORY_DEFAULT_LAYOUT_ENABLE_RULES);

                }

        }

        public void initializeDefaults() {

                txtHGap.setText(String.valueOf(FACTORY_DEFAULT_HORIZONTAL_GAP));

                txtVGap.setText(String.valueOf(FACTORY_DEFAULT_VERTICAL_GAP));

                chkShowGrid.setSelected(FACTORY_DEFAULT_LAYOUT_GRID_SHOW);

                chkGridEnabled.setSelected(FACTORY_DEFAULT_LAYOUT_GRID_ENABLE);

                chkShowRules.setSelected(FACTORY_DEFAULT_LAYOUT_ENABLE_RULES);

        }

        public ImageIcon getIcon() {

                return icon;

        }

        public boolean isValueChanged() {

                return super.hasChanged();

        }

        public void setChangesApplied() {

                setChanged(false);

        }

}