svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / geolocation / listener / GeoLocationPanelListener.java @ 16326
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1 | 12853 | nacho | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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2 | *
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3 | * Copyright (C) 2007 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 | package org.gvsig.rastertools.geolocation.listener; |
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20 | |||
21 | import java.awt.event.ActionEvent; |
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22 | import java.awt.event.ActionListener; |
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23 | import java.awt.geom.AffineTransform; |
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24 | 16326 | nbrodin | import java.awt.geom.Rectangle2D; |
25 | import java.io.BufferedReader; |
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26 | import java.io.File; |
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27 | import java.io.FileInputStream; |
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28 | import java.io.FileNotFoundException; |
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29 | 13127 | nacho | import java.io.IOException; |
30 | 16326 | nbrodin | import java.io.InputStreamReader; |
31 | 14527 | nbrodin | import java.util.EventObject; |
32 | 12853 | nacho | |
33 | 16326 | nbrodin | import javax.swing.JFileChooser; |
34 | |||
35 | import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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36 | 14527 | nbrodin | import org.gvsig.gui.beans.datainput.DataInputContainerListener; |
37 | 16326 | nbrodin | import org.gvsig.raster.datastruct.Extent; |
38 | 13127 | nacho | import org.gvsig.raster.util.Historical; |
39 | 13622 | bsanchez | import org.gvsig.raster.util.RasterToolsUtil; |
40 | 12853 | nacho | import org.gvsig.rastertools.geolocation.ui.GeoLocationPanel; |
41 | |||
42 | import com.iver.andami.PluginServices; |
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43 | 16326 | nbrodin | import com.iver.cit.gvsig.addlayer.fileopen.FileOpenWizard; |
44 | import com.iver.cit.gvsig.fmap.ViewPort; |
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45 | 12853 | nacho | |
46 | /**
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47 | * Listener para el panel de geolocalizaci?n.
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48 | * @version 31/07/2007
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49 | * @author Nacho Brodin (nachobrodin@gmail.com)
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50 | *
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51 | */
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52 | 14527 | nbrodin | public class GeoLocationPanelListener implements ActionListener, DataInputContainerListener { |
53 | 12853 | nacho | |
54 | private GeoLocationPanel panel = null; |
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55 | 14527 | nbrodin | private boolean enableValueChangeEvent = false; |
56 | |||
57 | 12853 | nacho | /**
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58 | * Crea un nuevo <code>GeoLocationPanelListener</code>
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59 | * @param panel
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60 | */
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61 | public GeoLocationPanelListener(GeoLocationPanel panel) {
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62 | this.panel = panel;
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63 | } |
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64 | |||
65 | /**
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66 | * M?todo que se invoca cuando se disparan los eventos de los botones
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67 | */
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68 | public void actionPerformed(ActionEvent e) { |
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69 | if(e.getSource() == panel.getSaveButton()) {
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70 | 13127 | nacho | if(RasterToolsUtil.messageBoxYesOrNot(PluginServices.getText(this,"aviso_write_transform"), panel)) { |
71 | try {
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72 | 13328 | nacho | panel.getLayer().saveGeoToRmf(); |
73 | 13127 | nacho | panel.activeButtons(); |
74 | } catch (IOException e1) { |
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75 | RasterToolsUtil.messageBoxError(PluginServices.getText(this,"error_salvando_rmf"), panel); |
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76 | } |
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77 | panel.setModify(false);
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78 | } |
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79 | return;
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80 | 12853 | nacho | } |
81 | |||
82 | 13127 | nacho | //Asignamos la georreferenciaci?n que hay en ese momento en el dialogo
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83 | 12853 | nacho | if(e.getSource() == panel.getApplyButton()) {
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84 | try {
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85 | double ulx = Double.parseDouble(panel.getUlx().getValue()); |
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86 | double uly = Double.parseDouble(panel.getUly().getValue()); |
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87 | double psx = Double.parseDouble(panel.getPsx().getValue()); |
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88 | double psy = Double.parseDouble(panel.getPsy().getValue()); |
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89 | double rotx = Double.parseDouble(panel.getRotx().getValue()); |
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90 | double roty = Double.parseDouble(panel.getRoty().getValue()); |
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91 | AffineTransform at = new AffineTransform(psx, roty, rotx, psy, ulx, uly); |
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92 | panel.getLayer().setAffineTransform(at); |
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93 | panel.getMapCtrl().getMapContext().invalidate(); |
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94 | 13127 | nacho | return;
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95 | 12853 | nacho | } catch(NumberFormatException ex) { |
96 | RasterToolsUtil.messageBoxError(PluginServices.getText(this,"error_transformacion"), panel); |
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97 | 13127 | nacho | return;
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98 | 12853 | nacho | } |
99 | } |
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100 | |||
101 | 13127 | nacho | Historical hist = panel.getHistorical(); |
102 | if(hist == null) |
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103 | return;
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104 | 12853 | nacho | |
105 | 13127 | nacho | AffineTransform at = null; |
106 | 12853 | nacho | |
107 | 13127 | nacho | //Cargamos la primera transformaci?n
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108 | if(e.getSource() == panel.getFirstButton())
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109 | at = (AffineTransform)hist.getFirst();
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110 | |||
111 | //Cargamos la transformaci?n anterior
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112 | if(e.getSource() == panel.getBackButton())
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113 | at = (AffineTransform)hist.getBack();
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114 | |||
115 | ////Cargamos la transformaci?n siguiente
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116 | if(e.getSource() == panel.getNextButton())
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117 | at = (AffineTransform)hist.getNext();
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118 | 14135 | nbrodin | |
119 | //Cargamos la georreferenciaci?n del raster
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120 | if(e.getSource() == panel.getResetButton())
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121 | at = panel.getLayer().getDataSource().getOwnAffineTransform(); |
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122 | 13127 | nacho | |
123 | 16326 | nbrodin | //Cargar la georreferenciaci?n desde tfw
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124 | if(e.getSource() == panel.getTfwLoad()) {
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125 | JFileChooser chooser = new JFileChooser(FileOpenWizard.getLastPath()); |
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126 | chooser.setDialogTitle(PluginServices.getText(this, "seleccionar_fichero")); |
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127 | chooser.addChoosableFileFilter(new GeorreferencingFileFilter("tfw")); |
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128 | chooser.addChoosableFileFilter(new GeorreferencingFileFilter("wld")); |
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129 | int returnVal = chooser.showOpenDialog(panel);
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130 | if (returnVal == JFileChooser.APPROVE_OPTION) { |
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131 | String fName = chooser.getSelectedFile().toString();
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132 | at = readTfw(fName); |
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133 | } |
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134 | } |
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135 | 14135 | nbrodin | |
136 | 16326 | nbrodin | //Centrar el raster en la vista
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137 | if(e.getSource() == panel.getCenterToView()) {
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138 | Extent extentView = calcCenterExtent(panel.getViewPort()); |
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139 | double x = extentView.minX();
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140 | double y = extentView.maxY();
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141 | double psX = extentView.width() / ((FLyrRasterSE)panel.getLayer()).getPxWidth();
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142 | double psY = -(extentView.height() / ((FLyrRasterSE)panel.getLayer()).getPxHeight());
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143 | at = new AffineTransform(psX, 0, 0, psY, x, y); |
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144 | panel.setModify(true);
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145 | } |
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146 | |||
147 | 13127 | nacho | //Entrar? en el caso de que se haya seleccionado alguna transformaci?n
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148 | if(at != null) { |
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149 | panel.getLayer().setAT(at); |
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150 | panel.loadTransform(at); |
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151 | panel.activeButtons(); |
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152 | panel.getMapCtrl().getMapContext().invalidate(); |
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153 | 12853 | nacho | } |
154 | } |
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155 | 14527 | nbrodin | |
156 | /**
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157 | * Control del cambio de valor dentro de las cajas de texto. Cuando esto ocurre tiene
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158 | * el mismo efecto que el bot?n "Aplicar"
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159 | * @param e EventObject
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160 | */
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161 | public void actionValueChanged(EventObject e) { |
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162 | if(isEnableValueChangeEvent()) {
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163 | ActionEvent ev = new ActionEvent(panel.getApplyButton(), 0, null); |
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164 | actionPerformed(ev); |
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165 | } |
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166 | } |
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167 | |||
168 | /**
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169 | * Obtiene el valor de la variable que informa sobre la activaci?n y desactivaci?n del evento de cambio de valor
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170 | * dentro de un campo de texto
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171 | * @return enableValueChangeEvent
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172 | */
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173 | public boolean isEnableValueChangeEvent() { |
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174 | return enableValueChangeEvent;
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175 | } |
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176 | |||
177 | /**
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178 | * Asigna el valor para la activaci?n y desactivaci?n del evento de cambio de valor
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179 | * dentro de un campo de texto
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180 | * @param enableValueChangeEvent
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181 | */
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182 | public void setEnableValueChangeEvent(boolean enableValueChangeEvent) { |
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183 | this.enableValueChangeEvent = enableValueChangeEvent;
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184 | } |
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185 | 16326 | nbrodin | |
186 | /**
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187 | * Centra el raster asociado a la capa en al extent del viewport pasado
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188 | * por par?metro.
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189 | * @param vp ViewPort
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190 | * @return Extent para la imagen
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191 | */
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192 | private Extent calcCenterExtent(ViewPort vp) {
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193 | Extent tempExtent = null;
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194 | double widthPxImg, heightPxImg;
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195 | |||
196 | widthPxImg = ((FLyrRasterSE)panel.getLayer()).getPxWidth(); |
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197 | heightPxImg = ((FLyrRasterSE)panel.getLayer()).getPxHeight(); |
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198 | |||
199 | if(vp == null || vp.getAdjustedExtent() == null) { |
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200 | vp = new ViewPort(null); |
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201 | Rectangle2D r2d = new Rectangle2D.Double(0, 0, widthPxImg, heightPxImg); |
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202 | vp.setExtent(r2d); |
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203 | tempExtent = new Extent(0, 0, widthPxImg, heightPxImg); |
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204 | } else
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205 | tempExtent = new Extent(vp.getAdjustedExtent());
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206 | |||
207 | double ulX = 0D, ulY = 0D, lrX = 0D, lrY = 0D; |
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208 | if(widthPxImg > heightPxImg) {
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209 | double widthView = tempExtent.maxX() - tempExtent.minX();
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210 | ulX = tempExtent.minX() + (widthView / 4);
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211 | lrX = ulX + (widthView / 2);
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212 | double newAlto = ((heightPxImg * (widthView / 2)) / widthPxImg); |
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213 | double centroY = tempExtent.minY()+((tempExtent.maxY() - tempExtent.minY())/2); |
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214 | ulY = centroY - (newAlto / 2);
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215 | lrY = centroY + (newAlto / 2);
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216 | } else {
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217 | double heightView = tempExtent.maxY() - tempExtent.minY();
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218 | ulY = tempExtent.minY() + (heightView / 4);
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219 | lrY = ulY + (heightView / 2);
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220 | double newAncho = ((widthPxImg * (heightView / 2)) / heightPxImg); |
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221 | double centroX = tempExtent.minX()+((tempExtent.maxX() - tempExtent.minX())/2); |
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222 | ulX = centroX - (newAncho / 2);
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223 | lrX = centroX + (newAncho / 2);
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224 | } |
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225 | return new Extent(ulX, ulY, lrX, lrY); |
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226 | } |
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227 | |||
228 | /**
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229 | * Lee las coordenadas de un fichero de tfw con una transformaci?n y
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230 | * devuelve la clase AffineTransform con dicha transformaci?n. Esta llamada gestiona los
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231 | * errores producidos actuando en consecuencia. Muestra los mensajes al usuario y retorna
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232 | * null en caso de tener problemas.
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233 | * @param fName Nombre del fichero tfw
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234 | * @return AffineTransform
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235 | */
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236 | private AffineTransform readTfw(String fName) { |
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237 | BufferedReader inGrf = null; |
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238 | double[] result = new double[6]; |
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239 | try {
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240 | inGrf = new BufferedReader(new InputStreamReader(new FileInputStream(fName))); |
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241 | String str = inGrf.readLine();
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242 | int count = 0; |
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243 | while(str != null && count < 6) { |
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244 | try {
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245 | Double value = new Double(str); |
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246 | result[count] = value.doubleValue(); |
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247 | } catch (NumberFormatException ex) { |
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248 | RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_file_not_valid"), panel, ex); |
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249 | return null; |
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250 | } |
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251 | str = inGrf.readLine(); |
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252 | count ++; |
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253 | } |
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254 | } catch (FileNotFoundException e) { |
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255 | RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_file_not_found"), panel, e); |
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256 | return null; |
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257 | } catch (IOException ex) { |
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258 | RasterToolsUtil.messageBoxError(PluginServices.getText(this, "error_lectura"), panel, ex); |
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259 | return null; |
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260 | } |
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261 | return new AffineTransform(result[0], result[1], result[2], result[3], result[4], result[5]); |
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262 | } |
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263 | |||
264 | /**
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265 | * Filtro para el selector de formatos de georreferenciaci?n
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266 | * @author Nacho Brodin (nachobrodin@gmail.com)
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267 | */
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268 | class GeorreferencingFileFilter extends javax.swing.filechooser.FileFilter { |
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269 | private String filter; |
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270 | |||
271 | public GeorreferencingFileFilter(String fil) { |
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272 | this.filter = fil;
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273 | } |
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274 | |||
275 | public boolean accept(File f) { |
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276 | return f.isDirectory() || f.getName().toLowerCase().endsWith("." + filter); |
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277 | } |
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278 | |||
279 | public String getDescription() { |
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280 | return "." + filter; |
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281 | } |
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282 | } |
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283 | 12853 | nacho | } |