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.project.documents.layout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ComponentEvent;

import java.awt.event.ComponentListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;

import java.awt.event.MouseMotionListener;

import org.gvsig.app.project.documents.layout.gui.FPopupMenu;

import org.gvsig.app.project.documents.layout.gui.LayoutPanel;

import org.gvsig.fmap.mapcontrol.tools.BehaviorException;

import org.gvsig.utils.exceptionHandling.ExceptionHandlingSupport;

import org.gvsig.utils.exceptionHandling.ExceptionListener;

/**

 * Eventos que se realizan sobre el Layout.

 * 

 * @author Vicente Caballero Navarro

 */

public class LayoutEvents implements ActionListener, ComponentListener,

    MouseMotionListener, MouseListener {

    private LayoutPanel layout = null;

    private ExceptionHandlingSupport exceptionHandlingSupport =

        new ExceptionHandlingSupport();

    /**

     * Crea un nuevo EventsHandler.

     * 

     * @param l

     *            Referencia al Layout.

     */

    public LayoutEvents(LayoutPanel l) {

        layout = l;

    }

    /**

     * @see java.awt.event.ComponentListener#componentHidden(java.awt.event.ComponentEvent)

     */

    public void componentHidden(ComponentEvent arg0) {

    }

    /**

     * @see java.awt.event.ComponentListener#componentMoved(java.awt.event.ComponentEvent)

     */

    public void componentMoved(ComponentEvent arg0) {

    }

    /**

     * @see java.awt.event.ComponentListener#componentResized(java.awt.event.ComponentEvent)

     */

    public void componentResized(ComponentEvent arg0) {

        layout.getLayoutControl().fullRect();

    }

    /**

     * @see java.awt.event.ComponentListener#componentShown(java.awt.event.ComponentEvent)

     */

    public void componentShown(ComponentEvent arg0) {

    }

    /**

     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

     */

    public void actionPerformed(ActionEvent arg0) {

        layout.repaint();

    }

    /**

     * @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)

     */

    public void mouseDragged(MouseEvent e) {

        if (e.getButton() != MouseEvent.BUTTON3) {

            layout.getLayoutControl().setLastPoint();

            layout.repaint();

        }

        try {

            layout.getLayoutControl().getCurrentLayoutTool().mouseDragged(e);

        } catch (BehaviorException t) {

            throwException(t);

        }

        layout.getLayoutControl().setPosition(e.getPoint());

    }

    /**

     * @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)

     */

    public void mouseMoved(MouseEvent e) {

        layout.getLayoutControl().setPosition(e.getPoint());

        try {

            layout.getLayoutControl().getCurrentLayoutTool().mouseMoved(e);

        } catch (BehaviorException t) {

            throwException(t);

        }       

        layout.repaint();

    }

    /**

     * @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)

     */

    public void mouseClicked(MouseEvent e) {

        try {

            layout.getLayoutControl().getCurrentLayoutTool().mouseClicked(e);

        } catch (BehaviorException t) {

            throwException(t);

        }

    }

    /**

     * A?ade un listener de tipo ExceptionListener.

     * 

     * @param o

     *            ExceptionListener.

     */

    public void addExceptionListener(ExceptionListener o) {

        exceptionHandlingSupport.addExceptionListener(o);

    }

    /**

     * Borra la ExceptioListener que se pasa como par?metro.

     * 

     * @param o

     *            ExceptionListener.

     * 

     * @return True si se borra correctamente.

     */

    public boolean removeExceptionListener(ExceptionListener o) {

        return exceptionHandlingSupport.removeExceptionListener(o);

    }

    /**

     * Lanza una Excepci?n.

     * 

     * @param t

     *            Excepci?n.

     */

    protected void throwException(Throwable t) {

        exceptionHandlingSupport.throwException(t);

    }

    /**

     * @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)

     */

    public void mouseEntered(MouseEvent e) {

        layout.getLayoutControl().clearMouseImage();

        try {

            layout.getLayoutControl().getCurrentLayoutTool().mouseEntered(e);

        } catch (BehaviorException t) {

            throwException(t);

        }

    }

    /**

     * @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)

     */

    public void mouseExited(MouseEvent e) {

        try {

            layout.getLayoutControl().getCurrentLayoutTool().mouseExited(e);

        } catch (BehaviorException t) {

            throwException(t);

        }

    }

    /**

     * @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)

     */

    public void mousePressed(MouseEvent e) {

        if (e.getButton() == MouseEvent.BUTTON1) {

            layout.getLayoutControl().setPointAnt();

            layout.getLayoutControl().setFirstPoint();

            try {

                layout.getLayoutControl().getCurrentLayoutTool()

                    .mousePressed(e);

            } catch (BehaviorException t) {

                throwException(t);

            }

        } else

            if (e.getButton() == MouseEvent.BUTTON3) {

                FPopupMenu popmenu = new FPopupMenu(layout);

                layout.add(popmenu);

                popmenu.show(e.getComponent(), e.getX(), e.getY());

            }

    }

    /**

     * @see java.awt.event.MouseListener#mouseReleassed(java.awt.event.MouseEvent)

     */

    public void mouseReleased(MouseEvent e) {

        if (e.getButton() != MouseEvent.BUTTON3) {

            layout.getLayoutControl().setLastPoint();

        }

        if (e.getButton() == MouseEvent.BUTTON1) {

            try {

                layout.getLayoutControl().getCurrentLayoutTool()

                    .mouseReleased(e);

            } catch (BehaviorException t) {

                throwException(t);

            }

            layout.getLayoutControl().setCancelDrawing(false);

        } else

            if (e.getButton() == MouseEvent.BUTTON3) {

            }

    }

}