Revision 17937
trunk/extensions/extRasterTools-SE/src/org/gvsig/rastertools/georeferencing/ui/zoom/ZoomRecord.java | ||
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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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package org.gvsig.rastertools.georeferencing.ui.zoom; |
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import java.util.ArrayList; |
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/** |
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* Historial de peticiones para poder recuperar las anteriores a |
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* la actual. |
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* |
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* 11/01/2008 |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class ZoomRecord { |
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private ArrayList record = new ArrayList(); |
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private int pos = -1; |
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/** |
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* Asigna la petici?n siguiente |
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* @param request |
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*/ |
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public void setRequest(Object request) { |
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record.add(++ pos, request); |
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} |
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/** |
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* Obtiene la petici?n anterior |
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* @return |
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*/ |
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public Object getRequest() { |
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if(pos > 0) { |
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return record.get(pos --); |
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} else if(pos == 0) |
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return record.get(pos); |
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return null; |
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} |
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/** |
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* Vacia el historial |
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*/ |
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public void clear() { |
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record.clear(); |
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} |
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} |
trunk/extensions/extRasterTools-SE/src/org/gvsig/rastertools/georeferencing/ui/zoom/ZoomControl.java | ||
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private JButton bPrevZoom = null; |
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private double stepScale = 2; |
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private IExtensionRequest extReq = null; |
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private ZoomRecord zoomRecord = null; |
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/** |
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* Constructor. Crea el panel y asigna el lado donde se crear?n los botones |
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public void setExtensionRequest(IExtensionRequest er) { |
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this.extReq = er; |
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} |
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/** |
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* Obtiene el historico de zooms |
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* @return ZoomRecord |
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*/ |
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public ZoomRecord getZoomRecord() { |
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if(zoomRecord == null) { |
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zoomRecord = new ZoomRecord(); |
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zoomRecord.setRequest(new Integer(FULL_VIEW)); |
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} |
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return zoomRecord; |
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} |
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/** |
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* Eventos de los botones zoom m?s y zoom menos. |
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double width = 0, height = 0; |
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canvas.setZoom(1); |
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if(e.getSource() == bFullView) { |
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getZoomRecord().setRequest(new Integer(FULL_VIEW)); |
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extReq.fullExtent(new Dimension(canvas.getVisibleRect().width, canvas.getVisibleRect().height)); |
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return; |
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} |
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if(e.getSource() == bPrevZoom) { |
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extReq.fullExtent(new Dimension(canvas.getVisibleRect().width, canvas.getVisibleRect().height)); |
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Object request = getZoomRecord().getRequest(); |
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if(request != null) { |
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if(request instanceof Rectangle2D) |
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extReq.request((Rectangle2D)request); |
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if(request instanceof Integer && ((Integer)request).intValue() == FULL_VIEW) |
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extReq.fullExtent(new Dimension(canvas.getVisibleRect().width, canvas.getVisibleRect().height)); |
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} |
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return; |
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} |
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if(e.getSource() == bZoomMas) { |
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} |
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double x = canvas.getCenter().getX() - (width / 2); |
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double y = canvas.getCenter().getY() - (height / 2); |
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extReq.request(new Rectangle2D.Double(x, y, width, height)); |
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Rectangle2D request = new Rectangle2D.Double(x, y, width, height); |
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getZoomRecord().setRequest(request); |
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extReq.request(request); |
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} |
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} |
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