Application: gvSIG desktop » gvSIG 3D

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.view3d.swing.impl;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.Toolkit;

import java.awt.Window;

import java.awt.event.ActionEvent;

import java.awt.event.ComponentEvent;

import java.awt.event.ComponentListener;

import java.awt.event.HierarchyEvent;

import java.awt.event.HierarchyListener;

import java.awt.event.KeyEvent;

import java.awt.event.WindowEvent;

import java.awt.event.WindowFocusListener;

import javax.swing.AbstractAction;

import javax.swing.Action;

import javax.swing.JComponent;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.KeyStroke;

import javax.swing.SwingUtilities;

import org.gvsig.fmap.mapcontext.MapContext;

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

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

import org.gvsig.tools.observer.ObservableHelper;

import org.gvsig.tools.observer.Observer;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.windowmanager.WindowManager;

import org.gvsig.view3d.swing.api.MapControl3D;

import org.gvsig.view3d.swing.api.View3DPanel;

import org.gvsig.view3d.swing.api.View3DSwingLocator;

import org.gvsig.view3d.swing.api.View3DSwingManager;

import org.gvsig.view3d.swing.api.View3DSwingManager.TYPE;

import org.gvsig.view3d.swing.api.properties.GeneralProperties3D;

/**

 * Default implementaion of {@link View3DPanel}.

 * 

 * @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>

 */

public class DefaultView3DPanel extends JPanel implements View3DPanel {

    private static final long serialVersionUID = -87105248886531868L;

    private ObservableHelper observableHelper;

    private ComponentListener disposeComponentListener;

    private String title;

    private MapControl3D mapControl3D;

    private JFrame fullScreenFrame;

    /**

     * Default constructor of {@link DefaultView3DPanel}. Creates an

     * {@link MapControl3D}, initialize local fileds and register listeners.

     * 

     * @param theMapContext

     *            associated <code>MapContext</code>

     * @param type

     *            Type of this {@link DefaultMapControl3D}. See {@link TYPE}.

     * @param viewProperties

     *            View properties to register a <code>MapControl3D</code>

     */

    public DefaultView3DPanel(MapContext theMapContext, String title,

        TYPE type, ExtendedPropertiesSupport viewProperties) {

        View3DSwingManager swingManager = View3DSwingLocator.getManager();

        this.mapControl3D =

            swingManager

                .createMapControl3D(theMapContext, type, viewProperties);

        initialize(title);

    }

    /**

     * 

     * @param mapControl3D

     * @param title

     */

    public DefaultView3DPanel(MapControl3D mapControl3D, String title) {

        this.mapControl3D = mapControl3D;

        initialize(title);

    }

    private void initialize(String title) {

        this.setLayout(new BorderLayout());

        View3DSwingManager swingManager = View3DSwingLocator.getManager();

        GeneralProperties3D general3dProperties =

            swingManager.getGeneral3DProperties();

        this.title = title;

        this.observableHelper = new ObservableHelper();

        this.add(mapControl3D.asJComponent(), BorderLayout.CENTER);

        addComponentListener(getDisposeComponentListener());

        this.setPreferredSize(new Dimension(general3dProperties

            .getDefaultViewWidth(), general3dProperties.getDefaultViewHeight()));

    }

    private String composeTitle(String title) {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        StringBuilder stb = new StringBuilder();

        stb.append(i18nManager.getTranslation("view_3d"));

        stb.append(" ");

        stb.append(":");

        stb.append(" ");

        stb.append(title);

        return stb.toString();

    }

    public JComponent asJComponent() {

        return this;

    }

    public MapControl3D getMapControl3D() {

        return this.mapControl3D;

    }

    public void show() {

        WindowManager wm = ToolsSwingLocator.getWindowManager();

        wm.showWindow(this, composeTitle(title), WindowManager.MODE.WINDOW);

    }

    public void addObserver(Observer o) {

        if (observableHelper != null) {

            observableHelper.addObserver(o);

        }

    }

    public void deleteObserver(Observer o) {

        if (observableHelper != null) {

            observableHelper.deleteObserver(o);

        }

    }

    public void deleteObservers() {

        if (observableHelper != null) {

            observableHelper.deleteObservers();

        }

    }

    private JFrame getFullScreenFrame() {

        if (this.fullScreenFrame == null) {

            this.fullScreenFrame = new JFrame();

            this.fullScreenFrame.getContentPane().setPreferredSize(

                Toolkit.getDefaultToolkit().getScreenSize());

            this.fullScreenFrame.getContentPane().setLayout(new BorderLayout());

            this.fullScreenFrame.getContentPane().add(

                this.mapControl3D.asJComponent(), BorderLayout.CENTER);

            this.fullScreenFrame.setLocation(0, 0);

            this.fullScreenFrame.setUndecorated(true);

            this.fullScreenFrame.setAlwaysOnTop(true);

            this.fullScreenFrame.pack();

            addCloseListener();

            addHierarchyListener();

        }

        return this.fullScreenFrame;

    }

    private void addHierarchyListener() {

        this.mapControl3D.asJComponent().addHierarchyListener(

            new HierarchyListener() {

                public void hierarchyChanged(HierarchyEvent e) {

                    final Component component = e.getComponent();

                    if (component.isShowing()

                        && (e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) != 0) {

                        final Window toplevel =

                            SwingUtilities.getWindowAncestor(component);

                        toplevel

                            .addWindowFocusListener(new WindowFocusListener() {

                                public void windowLostFocus(WindowEvent e) {

                                }

                                public void windowGainedFocus(WindowEvent e) {

                                    component.requestFocus();

                                    toplevel.removeWindowFocusListener(this);

                                }

                            });

                        component.removeHierarchyListener(this);

                    }

                };

            });

    }

    public void fullScreen() {

        // NOTE: We have to remove dispose component listener because the

        // component will be re-used at full screen frame.

        removeComponentListener(getDisposeComponentListener());

        this.setVisible(false);

        getFullScreenFrame().setVisible(true);

    }

    private void addCloseListener() {

        // Key bindings to close JFrame with ESC key

        getFullScreenFrame().getRootPane()

            .getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW)

            .put(KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0), "exit");

        getFullScreenFrame().getRootPane().getActionMap()

            .put("exit", getCloseAction());

    }

    private Action getCloseAction() {

        return new AbstractAction() {

            private static final long serialVersionUID = -8538252474573633943L;

            public void actionPerformed(ActionEvent e) {

                getFullScreenFrame().dispose();

                View3DSwingManager swingManager =

                    View3DSwingLocator.getManager();

                View3DPanel newPanel =

                    swingManager.createView3DPanel(mapControl3D, title);

                newPanel.show();

            }

        };

    }

    private ComponentListener getDisposeComponentListener() {

        if (disposeComponentListener == null) {

            disposeComponentListener = new ComponentListener() {

                public void componentShown(ComponentEvent e) {

                }

                public void componentResized(ComponentEvent e) {

                }

                public void componentMoved(ComponentEvent e) {

                }

                public void componentHidden(ComponentEvent e) {

                    getMapControl3D().dispose();

                }

            };

        }

        return disposeComponentListener;

    }

}