svn-gvsig-desktop / tags / Root_gvSIG_CAD_Layout_version / applications / appgvSIG / src / com / iver / cit / gvsig / UndoCommandExtension.java @ 1648
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1 | 1587 | vcaballero | /* 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 | package com.iver.cit.gvsig; |
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42 | |||
43 | import com.iver.andami.PluginServices; |
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44 | import com.iver.andami.messages.NotificationManager; |
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45 | import com.iver.andami.plugins.Extension; |
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46 | |||
47 | 1636 | fernando | import com.iver.cit.gvsig.fmap.FMap; |
48 | 1587 | vcaballero | import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
49 | 1636 | fernando | import com.iver.cit.gvsig.fmap.layers.FLayer; |
50 | import com.iver.cit.gvsig.fmap.layers.layerOperations.EditableVectorialLayer; |
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51 | 1587 | vcaballero | import com.iver.cit.gvsig.gui.View; |
52 | import com.iver.cit.gvsig.gui.cad.CadMapControl; |
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53 | 1636 | fernando | import com.iver.cit.gvsig.project.ProjectView; |
54 | 1587 | vcaballero | |
55 | import java.io.IOException; |
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56 | |||
57 | |||
58 | /**
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59 | * Extensi?n encargada de gestionar el deshacer los comandos anteriormente
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60 | * aplicados.
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61 | *
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62 | * @author Vicente Caballero Navarro
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63 | */
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64 | public class UndoCommandExtension implements Extension { |
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65 | /**
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66 | * @see com.iver.andami.plugins.Extension#inicializar()
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67 | */
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68 | public void inicializar() { |
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69 | } |
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70 | |||
71 | /**
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72 | * @see com.iver.andami.plugins.Extension#execute(java.lang.String)
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73 | */
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74 | public void execute(String s) { |
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75 | View vista = (View) PluginServices.getMDIManager().getActiveView(); |
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76 | CadMapControl cadmap = (CadMapControl) vista.getMapControl(); |
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77 | |||
78 | if (s.compareTo("UNDO") == 0) { |
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79 | try {
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80 | cadmap.getCadToolAdapter().getEditableFeatureSource().undo(); |
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81 | } catch (DriverIOException e) {
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82 | NotificationManager.addError("Error accediendo a los Drivers para deshacer un comando",
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83 | e); |
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84 | } catch (IOException e) { |
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85 | NotificationManager.addError("Error accediendo al fichero para deshacer un comando",
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86 | e); |
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87 | } |
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88 | |||
89 | vista.getMapControl().getMapControl().drawMap(false);
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90 | } |
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91 | } |
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92 | |||
93 | /**
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94 | * @see com.iver.andami.plugins.Extension#isEnabled()
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95 | */
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96 | public boolean isEnabled() { |
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97 | View vista = (View) PluginServices.getMDIManager().getActiveView(); |
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98 | 1636 | fernando | ProjectView model = vista.getModel(); |
99 | FMap mapa = model.getMapContext(); |
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100 | |||
101 | FLayer[] capas = mapa.getLayers().getActives();
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102 | 1637 | fernando | if (capas.length != 1) return false; |
103 | 1636 | fernando | if (capas[0] instanceof EditableVectorialLayer){ |
104 | EditableVectorialLayer lyr = (EditableVectorialLayer) capas[0];
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105 | if (lyr.isEditing()) {
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106 | CadMapControl cadmap = (CadMapControl) vista.getMapControl(); |
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107 | if (cadmap.getCadToolAdapter().getEditableFeatureSource()==null)return false; |
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108 | return cadmap.getCadToolAdapter().getEditableFeatureSource()
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109 | .moreUndoCommands(); |
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110 | }else{
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111 | return false; |
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112 | } |
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113 | }else{
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114 | return false; |
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115 | } |
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116 | |||
117 | 1587 | vcaballero | } |
118 | |||
119 | /**
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120 | * @see com.iver.andami.plugins.Extension#isVisible()
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121 | */
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122 | public boolean isVisible() { |
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123 | com.iver.andami.ui.mdiManager.View f = PluginServices.getMDIManager() |
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124 | .getActiveView(); |
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125 | |||
126 | if (f == null) { |
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127 | return false; |
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128 | } |
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129 | |||
130 | if (f.getClass() == View.class) { |
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131 | return true; |
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132 | } else {
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133 | return false; |
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134 | } |
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135 | } |
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136 | } |