root / tags / v2_0_0_Build_2050 / applications / appgvSIG / src / org / gvsig / app / project / documents / view / toolListeners / MapOverviewListener.java @ 38653
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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) 2004 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.app.project.documents.view.toolListeners; |
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import java.awt.Image; |
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import java.awt.event.MouseEvent; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import org.gvsig.andami.PluginServices; |
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import org.gvsig.app.gui.styling.SymbolSelector; |
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import org.gvsig.app.project.documents.view.MapOverview; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.util.UtilFunctions; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontrol.tools.BehaviorException; |
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import org.gvsig.fmap.mapcontrol.tools.Events.PointEvent; |
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import org.gvsig.fmap.mapcontrol.tools.Listeners.PointListener; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* <p>Listener for changes of the zoom caused by selecting a point on the associated {@link MapOverview MapOverview} object
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* by a single click of the button 1 of the mouse.</p>
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*
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* <p>Updates the extent of its <code>ViewPort</code> with a <i>zoom out</i> operation, and enables/disables controls for
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* managing the data.</p>
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*
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* @see ViewPort
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*
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* @author Vicente Caballero Navarro
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*/
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public class MapOverviewListener implements PointListener { |
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private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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private static final Logger logger = LoggerFactory.getLogger(MapOverviewListener.class); |
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/**
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* The image to display when the cursor is active.
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*/
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private final Image izoomout = PluginServices.getIconTheme().get("cursor-crux").getImage(); |
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/**
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* The cursor used to work with this tool listener.
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*
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* @see #getCursor()
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*/
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// private Cursor cur = Toolkit.getDefaultToolkit().createCustomCursor(izoomout,
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// new Point(16, 16), "");
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/**
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* Reference to the <code>MapControl</code> object that uses.
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*/
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protected MapOverview mapControl;
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/**
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* <p>Creates a new listener for zooming out the extent of the associated {@link MapOverview MapOverview} object.</p>
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*
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* @param mapControl the <code>MapControl</code> object which represents the <code>MapOverview</code>
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*/
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public MapOverviewListener(MapOverview mapControl) {
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this.mapControl = mapControl;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#point(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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*/
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public void point(PointEvent event) { |
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ViewPort vp = mapControl.getMapContext().getViewPort(); |
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if (vp.getExtent() != null && |
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mapControl.getAssociatedMapContext().getViewPort().getExtent()!=null) {
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Point2D p = vp.toMapPoint(event.getPoint());
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Rectangle2D r = (Rectangle2D) mapControl.getAssociatedMapContext() |
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.getViewPort().getExtent().clone(); |
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r.setRect(p.getX() - (r.getWidth() / 2),
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p.getY() - (r.getHeight() / 2), r.getWidth(), r.getHeight());
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if (event.getEvent().getButton()!=MouseEvent.BUTTON1) { |
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try {
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(this.mapControl).getAssociatedMapContext()
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.getViewPort().setEnvelope(geomManager.createEnvelope(r.getX(),r.getY(),r.getMaxX(),r.getMaxY(), SUBTYPES.GEOM2D)); |
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} catch (CreateEnvelopeException e) {
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logger.error("Error creating the envelope", e);
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} |
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PluginServices.getMainFrame().enableControls(); |
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#getImageCursor()
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*/
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public Image getImageCursor() { |
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return izoomout;
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.ToolListener#cancelDrawing()
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*/
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public boolean cancelDrawing() { |
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return true; |
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} |
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/*
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.tools.Listeners.PointListener#pointDoubleClick(com.iver.cit.gvsig.fmap.tools.Events.PointEvent)
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*/
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public void pointDoubleClick(PointEvent event) throws BehaviorException { |
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// TODO Auto-generated method stub
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} |
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} |