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svn-gvsig-desktop / trunk / libraries / libUI / src / org / gvsig / gui / beans / controls / label / Label.java @ 10543

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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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 *
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 * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.
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 *
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 * For more information, contact:
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 *
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 *  Generalitat Valenciana
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 *   Conselleria d'Infraestructures i Transport
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 *   Av. Blasco Ib??ez, 50
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 *   46010 VALENCIA
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 *   SPAIN
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 *
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 *      +34 963862235
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 *   gvsig@gva.es
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 *      www.gvsig.gva.es
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 *
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 *    or
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 *
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 *   IVER T.I. S.A
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 *   Salamanca 50
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 *   46005 Valencia
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 *   Spain
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 *
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 *   +34 963163400
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 *   dac@iver.es
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 */
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package org.gvsig.gui.beans.controls.label;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.util.ArrayList;
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import java.util.Iterator;
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import javax.swing.JLabel;
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import org.gvsig.gui.beans.controls.IControl;
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/**
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 * @author Cesar Martinez Izquierdo <cesar.martinez@iver.es>
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 *
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 */
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public class Label extends JLabel implements IControl {
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        private static final long serialVersionUID = 1L;
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        private ArrayList actionListeners = new ArrayList();
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        private int eventId=0;
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        /* (non-Javadoc)
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         * @see org.gvsig.gui.beans.controls.IControl#addActionListener(java.awt.event.ActionListener)
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         */
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        public void addActionListener(ActionListener listener) {
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                if (!actionListeners.contains(listener))
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                        actionListeners.add(listener);
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.gui.beans.controls.IControl#removeActionListener(java.awt.event.ActionListener)
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         */
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        public void removeActionListener(ActionListener listener) {
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                actionListeners.remove(listener);
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        }
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        private void callActionListeners(String message) {
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                Iterator acIterator = actionListeners.iterator();
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                while (acIterator.hasNext()) {
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                        ActionListener listener = (ActionListener) acIterator.next();
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                        listener.actionPerformed(new ActionEvent(this, eventId, message));
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                }
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                eventId++;
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        }
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        /* (non-Javadoc)
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         * @see org.gvsig.gui.beans.controls.IControl#setValue(java.lang.Object)
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         */
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        public Object setValue(Object value) {
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                try {
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                        String text = (String) value;
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                        setText(text);
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                        callActionListeners(text);
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                        return text;
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                }
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                catch (ClassCastException ex) {
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                        return null;
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                }
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        }
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}