Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.app.gui.preferencespage;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JPanel;

import javax.swing.JTextField;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.preferences.AbstractPreferencePage;

import org.gvsig.andami.preferences.StoreException;

import org.gvsig.app.project.ProjectManager;

import org.gvsig.app.project.documents.layout.Attributes;

import org.gvsig.app.project.documents.layout.DefaultLayoutManager;

import org.gvsig.utils.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 long serialVersionUID = -8225970409668105935L;

    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 = 1;

    private static final double FACTORY_DEFAULT_HORIZONTAL_GAP = 1;

    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";

    static String id = LayoutPage.class.getName();;

    private ImageIcon icon;

    private JCheckBox chkGridEnabled;

    private JCheckBox chkShowRules;

    private JCheckBox chkShowGrid;

    private JTextField txtVGap;

    private JTextField txtHGap;

    private static DefaultLayoutManager layoutManager = null;

    /**

     * 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();

        layoutManager =

            (DefaultLayoutManager) ProjectManager.getInstance()

                .getDocumentManager(DefaultLayoutManager.TYPENAME);

        icon = PluginServices.getIconTheme().get("mapa-icono");

        // 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"));

        }

        layoutManager.setDefaultShowGrid(showGrid);

        layoutManager.setDefaultAdjustToGrid(gridEnabled);

        layoutManager.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();

        double hGap = FACTORY_DEFAULT_HORIZONTAL_GAP;

        double vGap = FACTORY_DEFAULT_VERTICAL_GAP;

        boolean showGrid = FACTORY_DEFAULT_LAYOUT_GRID_SHOW;

        boolean gridEnabled = FACTORY_DEFAULT_LAYOUT_GRID_ENABLE;

        boolean showRules = FACTORY_DEFAULT_LAYOUT_ENABLE_RULES;

        // horizontal gap

        if (xml.contains(DEFAULT_LAYOUT_GRID_HORIZONTAL_GAP_KEY_NAME)) {

            hGap =

                xml.getDoubleProperty(DEFAULT_LAYOUT_GRID_HORIZONTAL_GAP_KEY_NAME);

        }

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

        // vertical gap

        if (xml.contains(DEFAULT_LAYOUT_GRID_VERTICAL_GAP_KEY_NAME)) {

            vGap =

                xml.getDoubleProperty(DEFAULT_LAYOUT_GRID_VERTICAL_GAP_KEY_NAME);

        }

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

        // show/hide grid check

        if (xml.contains(DEFAULT_SHOW_LAYOUT_GRID_KEY_NAME)) {

            showGrid =

                xml.getBooleanProperty(DEFAULT_SHOW_LAYOUT_GRID_KEY_NAME);

        }

        chkShowGrid.setSelected(showGrid);

        // enable/disable grid check

        if (xml.contains(DEFAULT_ENABLE_LAYOUT_GRID_KEY_NAME)) {

            gridEnabled =

                xml.getBooleanProperty(DEFAULT_ENABLE_LAYOUT_GRID_KEY_NAME);

        }

        chkGridEnabled.setSelected(gridEnabled);

        // enable/disable rules

        if (xml.contains(DEFAULT_SHOW_LAYOUT_RULES_KEY_NAME)) {

            showRules =

                xml.getBooleanProperty(DEFAULT_SHOW_LAYOUT_RULES_KEY_NAME);

        }

        chkShowRules.setSelected(showRules);

        layoutManager.setDefaultShowGrid(showGrid);

        layoutManager.setDefaultAdjustToGrid(gridEnabled);

        layoutManager.setDefaultShowRulers(showRules);

        Attributes.setDefaultGridGap(hGap, vGap);

    }

    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);

    }

}