Application: gvSIG desktop

/* 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 com.iver.core.mdiManager;

import java.awt.BorderLayout;

import java.awt.Cursor;

import java.awt.Dimension;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import java.beans.PropertyVetoException;

import java.util.ArrayList;

import java.util.Iterator;

import javax.swing.DefaultDesktopManager;

import javax.swing.DesktopManager;

import javax.swing.JDesktopPane;

import javax.swing.JDialog;

import javax.swing.JInternalFrame;

import javax.swing.event.InternalFrameEvent;

import javax.swing.event.InternalFrameListener;

import org.apache.log4j.Logger;

import com.iver.andami.plugins.Extension;

import com.iver.andami.ui.mdiFrame.GlassPane;

import com.iver.andami.ui.mdiFrame.MDIFrame;

import com.iver.andami.ui.mdiManager.MDIManager;

import com.iver.andami.ui.mdiManager.MDIUtilities;

import com.iver.andami.ui.mdiManager.SingletonDialogAlreadyShownException;

import com.iver.andami.ui.mdiManager.SingletonView;

import com.iver.andami.ui.mdiManager.View;

import com.iver.andami.ui.mdiManager.ViewInfo;

import com.iver.andami.ui.mdiManager.ViewListener;

/**

 *

 */

public class NewSkin extends Extension implements MDIManager{

    /**

     * Variable privada <code>desktopManager</code> para usarlo cuando sale

     * una ventana que no queremos que nos restaure las que tenemos maximizadas.

     * Justo antes de usar el setMaximize(false), le pegamos el cambiazo.

     */

    private static DesktopManager desktopManager = new DefaultDesktopManager();

    /** log */

    private static Logger logger = Logger.getLogger(NewSkin.class.getName());

    /** Panel de la MDIFrame */

    private JDesktopPane panel = new JDesktopPane();

    /** MDIFrame */

    private MDIFrame mainFrame;

    private GlassPane glassPane = new GlassPane();

    private DialogStackSupport dss;

    private FrameViewSupport fvs;

    private ViewInfoSupport vis;

    private ViewStackSupport vss;

    private SingletonViewSupport svs;

    private Cursor lastCursor = null;

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#init(com.iver.andami.ui.mdiFrame.MDIFrame)

     */

    public void init(MDIFrame f) {

        // Inicializa el Frame y la consola

        mainFrame = f;

        mainFrame.setGlassPane(glassPane);

        panel.setDragMode(JDesktopPane.OUTLINE_DRAG_MODE);

        mainFrame.getContentPane().add(panel, BorderLayout.CENTER);

        panel.setDesktopManager(desktopManager);

        fvs = new FrameViewSupport(mainFrame);

        dss = new DialogStackSupport(mainFrame);

        svs = new SingletonViewSupport(vis, fvs);

        vis = new ViewInfoSupport(mainFrame, fvs, svs);

        fvs.setVis(vis);

        vss = new ViewStackSupport(vis);

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#addView(com.iver.andami.ui.mdiManager.View)

     */

    public View addView(View p) throws SingletonDialogAlreadyShownException {

        // se obtiene la informaci?n de la vista

        ViewInfo vi = vis.getViewInfo(p);

        // Se comprueban las incompatibilidades que pudieran haber en la vista

        MDIUtilities.checkViewInfo(vi);

        if ((p instanceof SingletonView) && (vi.isModal())) {

            throw new RuntimeException("A modal view cannot be a SingletonView");

        }

        /*

         * Se obtiene la referencia a la vista anterior por si es una singleton

         * y est? siendo mostrada. Se obtiene su informaci?n si ya fue mostrada

         */

        boolean singletonPreviouslyAdded = false;

        if (p instanceof SingletonView) {

            SingletonView sv = (SingletonView) p;

            if (svs.registerView(sv.getClass(), sv.getViewModel(), vis

                    .getViewInfo(sv))) {

                singletonPreviouslyAdded = true;

            }

        }

        if (singletonPreviouslyAdded) {

            // Si la vista no est? actualmente abierta

            if (!svs.contains((SingletonView) p)) {

                JInternalFrame frame = fvs.getJInternalFrame(p);

                svs.openSingletonView((SingletonView) p, frame);

                addJInternalFrame(frame, vi);

                vss.add(p, new ActionListener() {

                    public void actionPerformed(ActionEvent e) {

                        View v = vis.getViewById(Integer.parseInt(e

                                .getActionCommand()));

                        JInternalFrame f = fvs.getJInternalFrame(v);

                        activateJInternalFrame(f);

                    }

                });

                return p;

            } else {

                // La vista est? actualmente abierta

                JInternalFrame frame = (JInternalFrame) svs

                        .getFrame((SingletonView) p);

                activateJInternalFrame(frame);

                vss.setActive(p);

                return fvs.getView((JInternalFrame) frame);

            }

        } else {

            if (vi.isModal()) {

                addJDialog(p);

            } else {

                // Se sit?a la vista en la pila de vistas

                vss.add(p, new ActionListener() {

                    public void actionPerformed(ActionEvent e) {

                        View v = vis.getViewById(Integer.parseInt(e

                                .getActionCommand()));

                        JInternalFrame f = fvs.getJInternalFrame(v);

                        activateJInternalFrame(f);

                    }

                });

                addJInternalFrame(p);

            }

            return p;

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param wnd

     *            DOCUMENT ME!

     * @param vi

     *            DOCUMENT ME!

     */

    private void addJInternalFrame(JInternalFrame wnd, ViewInfo vi) {

        wnd.setDefaultCloseOperation(JInternalFrame.DISPOSE_ON_CLOSE);

        wnd.addInternalFrameListener(new FrameListener());

        if (vi.isModeless() || vi.isPalette()) {

            panel.add(wnd, JDesktopPane.PALETTE_LAYER);

            if (vi.isPalette())

                wnd.setFocusable(false);

        } else {

            panel.add(wnd);

        }

        activateJInternalFrame(wnd);

    }

    /**

     * DOCUMENT ME!

     *

     * @param p

     */

    private void addJInternalFrame(View p) {

        ViewInfo vi = vis.getViewInfo(p);

        JInternalFrame wnd = fvs.getJInternalFrame(p);

        if (p instanceof SingletonView) {

            SingletonView sv = (SingletonView) p;

            svs.openSingletonView(sv, wnd);

        }

        addJInternalFrame(wnd, vi);

    }

    /**

     * DOCUMENT ME!

     *

     * @param wnd

     */

    private void activateJInternalFrame(JInternalFrame wnd) {

        try {

            wnd.moveToFront();

            logger.debug("Activando " + wnd.getTitle());

            wnd.setSelected(true);

            wnd.setIcon(false);

        } catch (PropertyVetoException e) {

            logger.error(e);

        }

    }

    /**

     * Situa un di?logo modal en el centro de la pantalla

     *

     * @param d

     *            Di?logo que se quiere situar

     */

    private void centerDialog(JDialog d) {

        int offSetX = d.getWidth() / 2;

        int offSetY = d.getHeight() / 2;

        d.setLocation((mainFrame.getWidth() / 2) - offSetX, (mainFrame

                .getHeight() / 2)

                - offSetY);

    }

    /**

     * DOCUMENT ME!

     *

     * @param p

     */

    private void addJDialog(View p) {

        JDialog dlg = fvs.getJDialog(p);

        centerDialog(dlg);

        dlg.addWindowListener(new DialogWindowListener());

        dss.pushDialog(dlg);

        dlg.setVisible(vis.getViewInfo(p).isVisible());

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#getActiveView()

     */

    public View getActiveView() {

        JInternalFrame jif = panel.getSelectedFrame();

        if (jif != null) {

            View theView = fvs.getView(jif);

            if (theView == null)

                return null;

            if (theView.getViewInfo().isPalette())

                return vss.getActiveView();

            else

                return fvs.getView(jif);

        }

        // return vss.getActiveView();

        return null;

    }

    public View getFocusView(){

             JInternalFrame jif = panel.getSelectedFrame();

         if (jif != null) {

             View theView = fvs.getView(jif);

             if (theView == null)

                 return null;

             return fvs.getView(jif);

         }

         return null;

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#closeView(com.iver.andami.ui.mdiManager.View)

     */

    public void closeView(View p) {

        // Si es un di?logo modal

        if (p.getViewInfo().isModal()) {

            closeJDialog();

        } else { // Si no es modal se cierra el JInternalFrame

            closeJInternalFrame(fvs.getJInternalFrame(p));

        }

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#closeAllViews()

     */

    public void closeAllViews() {

        ArrayList eliminar = new ArrayList();

        Iterator i = fvs.getViewIterator();

        while (i.hasNext()) {

            eliminar.add((View) i.next());

        }

        for (Iterator iter = eliminar.iterator(); iter.hasNext();) {

            View vista = (View) iter.next();

            closeView(vista);

        }

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#getViewInfo(com.iver.andami.ui.mdiManager.View)

     */

    public ViewInfo getViewInfo(View v) {

            //ViewInfo vi = new ViewInfo();

            ViewInfo vi = vis.getViewInfo(v);

            JInternalFrame f = fvs.getJInternalFrame(v);

            vi.setX(f.getX());

            vi.setY(f.getY());

            vi.setHeight(f.getHeight());

            vi.setWidth(f.getWidth());

            // isClosed() doesn't work as (I) expected, why? Using isShowing instead

            vi.setClosed(!f.isShowing());

            vi.setNormalBounds(f.getNormalBounds());

            vi.setMaximized(f.isMaximum());

            return vi;

    }

    /**

     * DOCUMENT ME!

     *

     * @param dialog

     * @throws RuntimeException

     *             DOCUMENT ME!

     */

    private void closeJDialog() {

        JDialog dlg = dss.popDialog();

        dlg.setVisible(false);

        View s = (View) fvs.getView(dlg);

        callViewClosed(s);

        fvs.closeView(s);

        // Si es singleton se desasocia el modelo con la vista

        if (s instanceof SingletonView) {

            svs.closeView((SingletonView) s);

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param view

     *            DOCUMENT ME!

     */

    private void callViewClosed(View view) {

        if (view instanceof ViewListener) {

            ((ViewListener) view).viewClosed();

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param view

     *            DOCUMENT ME!

     */

    private void callViewActivated(View view) {

        logger.debug("View " + view.getViewInfo().getTitle()

                + " activated (callViewActivated)");

        if (view instanceof ViewListener) {

            ((ViewListener) view).viewActivated();

        }

    }

    /**

     * DOCUMENT ME!

     *

     * @param frame

     */

    private void closeJInternalFrame(JInternalFrame frame) {

        try {

            View s = (View) fvs.getView(frame);

            frame.setClosed(true);

            callViewClosed(s);

        } catch (PropertyVetoException e) {

            logger

                    .error(

                            "Not compatible with property veto's. Use ViewInfo instead.",

                            e);

        }

    }

    /**

     * @see com.iver.andami.plugins.IExtension#initialize()

     */

    public void initialize() {

    }

    /**

     * @see com.iver.andami.plugins.IExtension#execute(java.lang.String)

     */

    public void execute(String actionCommand) {

        if (actionCommand.equals("cascada")) {

        } else if (actionCommand.equals("mosaico")) {

        }

    }

    /**

     * @see com.iver.andami.plugins.IExtension#isEnabled()

     */

    public boolean isEnabled() {

        // TODO Auto-generated method stub

        return false;

    }

    /**

     * @see com.iver.andami.plugins.IExtension#isVisible()

     */

    public boolean isVisible() {

        // TODO Auto-generated method stub

        return true;

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#setWaitCursor()

     */

    public void setWaitCursor() {

        if (mainFrame != null) {

            glassPane.setVisible(true);

            lastCursor = mainFrame.getCursor();

            dss.setWaitCursor();

            glassPane.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));

        }

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#restoreCursor()

     */

    public void restoreCursor() {

        if (mainFrame != null) {

            glassPane.setVisible(false);

            dss.restoreCursor();

            glassPane.setCursor(lastCursor);

        }

    }

    /**

     * Listener para los eventos de cerrado de los di?logos. Tiene su raz?n de

     * ser en que los di?logos han de devolverse al pool cuando se cierran

     *

     * @author Fernando Gonz?lez Cort?s

     */

    public class DialogWindowListener extends WindowAdapter {

        /**

         * Captura el evento de cerrado de los di?logos con el fin de realizar

         * tareas de mantenimiento

         *

         * @param e

         *            evento

         */

        public void windowClosing(WindowEvent e) {

            closeJDialog();

        }

    }

    /**

     * DOCUMENT ME!

     */

    public class FrameListener implements InternalFrameListener {

        /**

         * @see javax.swing.event.InternalFrameListener#internalFrameActivated(javax.swing.event.InternalFrameEvent)

         */

        public void internalFrameActivated(InternalFrameEvent e) {

            // logger.debug("internalFrameActivated " +

            // e.getInternalFrame().getTitle());

            // activatedInternalFramesStack.push(e.getInternalFrame());

            View panel = fvs.getView((JInternalFrame) e.getSource());

            ViewInfo vi = vis.getViewInfo(panel);

            if (vi.isPalette())

                return;

            vss.setActive(panel);

            JInternalFrame frame = fvs.getJInternalFrame(panel);

            if (!frame.isMaximizable() && frame.isMaximum()) {

                try {

                    frame.setMaximum(false);

                } catch (PropertyVetoException e1) {

                }

            }

            mainFrame.enableControls();

            if (vi.getSelectedTool() != null)

                mainFrame.setSelectedTool(vi.getSelectedTool());

            callViewActivated(panel);

        }

        /**

         * @see javax.swing.event.InternalFrameListener#internalFrameClosed(javax.swing.event.InternalFrameEvent)

         */

        public void internalFrameClosed(InternalFrameEvent e) {

        }

        /**

         * @see javax.swing.event.InternalFrameListener#internalFrameClosing(javax.swing.event.InternalFrameEvent)

         */

        public void internalFrameClosing(InternalFrameEvent e) {

            // Se elimina la memoria del JInternalFrame si no es ALWAYS_LIVE

            // logger.debug("internalFrameClosing " +

            // e.getInternalFrame().getTitle());

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

            ViewInfo vi = vis.getViewInfo((View) fvs.getView(c));

            View view = fvs.getView(c);

            callViewClosed(view);

            boolean alwaysLive;

            if (view instanceof SingletonView) {

                svs.closeView((SingletonView) view);

            }

            fvs.closeView(view);

            panel.remove(c);

            vss.remove(view);

            if (!vi.isPalette())

                mainFrame.enableControls();

            panel.repaint();

            // Para activar el JInternalFrame desde la que hemos

            // abierto la ventana que estamos cerrando

            View lastView = vss.getActiveView();

            // La activamos

            if (lastView != null) {

                System.err.println("Devuelvo el foco a "

                        + lastView.getViewInfo().getTitle());

                JInternalFrame frame = fvs.getJInternalFrame(lastView);

                try {

                    frame.setSelected(true);

                } catch (PropertyVetoException e1) {

                    // TODO Auto-generated catch block

                    // e1.printStackTrace();

                }

                // addView(lastView);

            }

        }

        /**

         * @see javax.swing.event.InternalFrameListener#internalFrameDeactivated(javax.swing.event.InternalFrameEvent)

         */

        public void internalFrameDeactivated(InternalFrameEvent e) {

            // logger.debug("internalDeActivated " +

            // e.getInternalFrame().getTitle());

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

            View andamiView = fvs.getView(c);

            if (andamiView != null) {

                ViewInfo vi = vis.getViewInfo(andamiView);

                if (vi.isPalette())

                    return;

                vi.setSelectedTool(mainFrame.getSelectedTool());

            }

        }

        /**

         * @see javax.swing.event.InternalFrameListener#internalFrameDeiconified(javax.swing.event.InternalFrameEvent)

         */

        public void internalFrameDeiconified(InternalFrameEvent e) {

            mainFrame.enableControls();

        }

        /**

         * @see javax.swing.event.InternalFrameListener#internalFrameIconified(javax.swing.event.InternalFrameEvent)

         */

        public void internalFrameIconified(InternalFrameEvent e) {

            mainFrame.enableControls();

        }

        /**

         * @see javax.swing.event.InternalFrameListener#internalFrameOpened(javax.swing.event.InternalFrameEvent)

         */

        public void internalFrameOpened(InternalFrameEvent e) {

            // logger.debug("internalFrameOpened. Source= " +

            // e.getSource().toString());

        }

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#closeSingletonView(java.lang.Class,

     *      java.lang.Object)

     */

    public boolean closeSingletonView(Class viewClass, Object model) {

        JInternalFrame frame = svs.getFrame(viewClass, model);

        if (frame == null)

            return false;

        closeJInternalFrame(frame);

        return true;

    }

    /**

     * @see com.iver.andami.ui.mdiManager.MDIManager#closeSingletonView(java.lang.Object)

     */

    public boolean closeSingletonView(Object model) {

        JInternalFrame[] frames = svs.getFrames(model);

        if (frames.length == 0)

            return false;

        for (int i = 0; i < frames.length; i++) {

            closeJInternalFrame(frames[i]);

        }

        return true;

    }

    public View[] getAllViews() {

        ArrayList views = new ArrayList();

        Iterator i = fvs.getViewIterator();

        while (i.hasNext()) {

            views.add((View) i.next());

        }

        return (View[]) views.toArray(new View[0]);

    }

    public void setMaximum(View v, boolean bMaximum) throws PropertyVetoException

    {

        JInternalFrame f = fvs.getJInternalFrame(v);

        f.setMaximum(bMaximum);

    }

    public void changeViewInfo(View v, ViewInfo vi){

            JInternalFrame f = fvs.getJInternalFrame(v);

                f.setDefaultCloseOperation(JInternalFrame.DISPOSE_ON_CLOSE);

                JDesktopPane pnl = f.getDesktopPane();

                pnl.remove(f);

                f.setSize(new Dimension(vi.getWidth(),vi.getHeight()));

                f.setLocation(vi.getX(), vi.getY());

                if (vi.isPalette()) {

                        pnl.add(f, JDesktopPane.PALETTE_LAYER);

                        f.setFocusable(false);

                } else {

                        pnl.add(f, JDesktopPane.DEFAULT_LAYER);

                        f.setFocusable(true);

                        if (vi.isClosed()) {

                                closeView(v);

                        }

                }

                if (vi.isMaximized()) {

                        try {

                                f.setMaximum(true);

                        } catch (PropertyVetoException e) {

                                // TODO Auto-generated catch block

                                //e.printStackTrace();

                        }

                        f.setNormalBounds(vi.getNormalBounds());

                }

                activateJInternalFrame(f);

   }

}