svn-gvsig-desktop / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / ZoomPrev.java @ 15957
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| 1 | 1103 | fjp | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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| 2 | *
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| 3 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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| 4 | *
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| 5 | * This program is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the GNU General Public License
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| 7 | * as published by the Free Software Foundation; either version 2
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| 8 | * of the License, or (at your option) any later version.
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| 9 | *
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| 10 | * This program is distributed in the hope that it will be useful,
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | * GNU General Public License for more details.
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| 14 | *
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| 15 | * You should have received a copy of the GNU General Public License
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| 16 | * along with this program; if not, write to the Free Software
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| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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| 18 | *
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| 19 | * For more information, contact:
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| 20 | *
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| 21 | * Generalitat Valenciana
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| 22 | * Conselleria d'Infraestructures i Transport
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| 23 | * Av. Blasco Ib??ez, 50
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| 24 | * 46010 VALENCIA
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| 25 | * SPAIN
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| 26 | *
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| 27 | * +34 963862235
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| 28 | * gvsig@gva.es
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| 29 | * www.gvsig.gva.es
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| 30 | *
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| 31 | * or
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| 32 | *
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| 33 | * IVER T.I. S.A
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| 34 | * Salamanca 50
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| 35 | * 46005 Valencia
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| 36 | * Spain
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| 37 | *
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| 38 | * +34 963163400
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| 39 | * dac@iver.es
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| 40 | */
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| 41 | 312 | fernando | package com.iver.cit.gvsig; |
| 42 | |||
| 43 | 596 | fernando | import com.iver.andami.PluginServices; |
| 44 | import com.iver.andami.plugins.Extension; |
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| 45 | 6878 | cesar | import com.iver.cit.gvsig.fmap.MapContext; |
| 46 | 312 | fernando | import com.iver.cit.gvsig.fmap.ViewPort; |
| 47 | 9532 | caballero | import com.iver.cit.gvsig.project.documents.ProjectDocument; |
| 48 | 7304 | caballero | import com.iver.cit.gvsig.project.documents.view.gui.View; |
| 49 | 312 | fernando | |
| 50 | |||
| 51 | 1219 | vcaballero | /**
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| 52 | * Extensi?n que cambia el extent de la vista al extent anterior.
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| 53 | *
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| 54 | * @author Vicente Caballero Navarro
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| 55 | */
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| 56 | 5005 | jorpiell | public class ZoomPrev extends Extension { |
| 57 | 312 | fernando | /**
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| 58 | 5005 | jorpiell | * @see com.iver.mdiApp.plugins.IExtension#isEnabled()
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| 59 | 312 | fernando | */
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| 60 | public boolean isEnabled() { |
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| 61 | 6880 | cesar | View vista = (View) PluginServices.getMDIManager().getActiveWindow(); |
| 62 | 312 | fernando | ViewPort vp = vista.getModel().getMapContext().getViewPort(); |
| 63 | 1219 | vcaballero | |
| 64 | 312 | fernando | return vp.getExtents().hasPrevious();
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| 65 | } |
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| 66 | |||
| 67 | /**
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| 68 | 5005 | jorpiell | * @see com.iver.mdiApp.plugins.IExtension#isVisible()
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| 69 | 312 | fernando | */
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| 70 | public boolean isVisible() { |
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| 71 | 6877 | cesar | com.iver.andami.ui.mdiManager.IWindow f = PluginServices.getMDIManager() |
| 72 | 6880 | cesar | .getActiveWindow(); |
| 73 | 312 | fernando | |
| 74 | if (f == null) { |
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| 75 | return false; |
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| 76 | } |
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| 77 | |||
| 78 | 5900 | jorpiell | if (f instanceof View) { |
| 79 | 312 | fernando | View v = (View) f; |
| 80 | |||
| 81 | 6878 | cesar | MapContext mapa = v.getModel().getMapContext(); |
| 82 | 1219 | vcaballero | |
| 83 | 387 | fjp | return mapa.getLayers().getLayersCount() > 0; |
| 84 | 312 | fernando | } |
| 85 | 9532 | caballero | return false; |
| 86 | 312 | fernando | } |
| 87 | |||
| 88 | /**
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| 89 | 5005 | jorpiell | * @see com.iver.mdiApp.plugins.IExtension#updateUI(java.lang.String)
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| 90 | 312 | fernando | */
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| 91 | 596 | fernando | public void execute(String arg0) { |
| 92 | 6880 | cesar | View vista = (View) PluginServices.getMDIManager().getActiveWindow(); |
| 93 | 312 | fernando | ViewPort vp = vista.getModel().getMapContext().getViewPort(); |
| 94 | 958 | vcaballero | vp.setPreviousExtent(); |
| 95 | 9532 | caballero | ((ProjectDocument)vista.getModel()).setModified(true);
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| 96 | 312 | fernando | } |
| 97 | |||
| 98 | 596 | fernando | /**
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| 99 | 5005 | jorpiell | * @see com.iver.andami.plugins.IExtension#initialize()
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| 100 | 596 | fernando | */
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| 101 | 5005 | jorpiell | public void initialize() { |
| 102 | 14821 | jmvivo | |
| 103 | 15647 | jmvivo | PluginServices.getIconTheme().registerDefault( |
| 104 | 14821 | jmvivo | "view-zoom-back",
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| 105 | this.getClass().getClassLoader().getResource("images/ZoomPrevio.png") |
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| 106 | ); |
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| 107 | 596 | fernando | } |
| 108 | 312 | fernando | } |