svn-gvsig-desktop / trunk / extensions / extRasterTools-SE / src / org / gvsig / rastertools / histogram / HistogramPanelListener.java @ 12307
History | View | Annotate | Download (14.2 KB)
1 |
/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.
|
4 |
*
|
5 |
* This program is free software; you can redistribute it and/or
|
6 |
* modify it under the terms of the GNU General Public License
|
7 |
* as published by the Free Software Foundation; either version 2
|
8 |
* of the License, or (at your option) any later version.
|
9 |
*
|
10 |
* This program is distributed in the hope that it will be useful,
|
11 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
12 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
13 |
* GNU General Public License for more details.
|
14 |
*
|
15 |
* You should have received a copy of the GNU General Public License
|
16 |
* along with this program; if not, write to the Free Software
|
17 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
|
18 |
*/
|
19 |
package org.gvsig.rastertools.histogram; |
20 |
|
21 |
import java.awt.Color; |
22 |
import java.awt.Component; |
23 |
import java.awt.event.ActionEvent; |
24 |
import java.awt.event.ActionListener; |
25 |
import java.beans.PropertyChangeEvent; |
26 |
import java.beans.PropertyChangeListener; |
27 |
import java.io.File; |
28 |
import java.io.IOException; |
29 |
import java.io.RandomAccessFile; |
30 |
import java.nio.channels.FileChannel; |
31 |
import java.nio.channels.WritableByteChannel; |
32 |
import java.util.ArrayList; |
33 |
|
34 |
import javax.swing.JButton; |
35 |
import javax.swing.JComboBox; |
36 |
import javax.swing.JFileChooser; |
37 |
import javax.swing.JOptionPane; |
38 |
import javax.swing.table.DefaultTableModel; |
39 |
|
40 |
import org.gvsig.gui.beans.graphic.GraphicEvent; |
41 |
import org.gvsig.gui.beans.graphic.GraphicListener; |
42 |
import org.gvsig.gui.beans.incrementabletask.IncrementableTask; |
43 |
import org.gvsig.raster.util.Histogram; |
44 |
import org.gvsig.raster.util.HistogramClass; |
45 |
import org.gvsig.raster.util.HistogramException; |
46 |
import org.gvsig.raster.util.IHistogramable; |
47 |
import org.gvsig.rastertools.histogram.ui.HistogramPanel; |
48 |
|
49 |
import com.hardcode.driverManager.DriverLoadException; |
50 |
import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
51 |
import com.hardcode.gdbms.engine.data.DataSource; |
52 |
import com.hardcode.gdbms.engine.data.DataSourceFactory; |
53 |
import com.hardcode.gdbms.engine.data.NoSuchTableException; |
54 |
import com.hardcode.gdbms.engine.values.Value; |
55 |
import com.hardcode.gdbms.engine.values.ValueFactory; |
56 |
import com.iver.andami.PluginServices; |
57 |
import com.iver.cit.gvsig.ProjectExtension; |
58 |
import com.iver.cit.gvsig.fmap.drivers.shp.DbaseFileHeaderNIO; |
59 |
import com.iver.cit.gvsig.fmap.drivers.shp.DbaseFileWriterNIO; |
60 |
import com.iver.cit.gvsig.fmap.edition.EditableAdapter; |
61 |
import com.iver.cit.gvsig.fmap.layers.LayerFactory; |
62 |
import com.iver.cit.gvsig.fmap.layers.SelectableDataSource; |
63 |
import com.iver.cit.gvsig.project.ProjectFactory; |
64 |
import com.iver.cit.gvsig.project.documents.table.ProjectTable; |
65 |
import com.iver.cit.gvsig.project.documents.table.gui.Table; |
66 |
/**
|
67 |
* Listener para eventos del panel de histograma
|
68 |
*
|
69 |
* @version 20/03/2007
|
70 |
* @author Nacho Brodin (brodin_ign@gva.es)
|
71 |
* @author Borja Sanchez Zamorano (borja.sanchez@iver.es)
|
72 |
*/
|
73 |
public class HistogramPanelListener implements GraphicListener, ActionListener, PropertyChangeListener { |
74 |
private HistogramPanel histogramPanel = null; |
75 |
private Histogram lastHistogram = null; |
76 |
|
77 |
public boolean eventsEnabled = false; |
78 |
|
79 |
/**
|
80 |
* Bandas que se est?n mostrando en el gr?fico. Se inicializa con las 3 bandas
|
81 |
* RGB de la visualizaci?n. Este array puede tener m?s elementos ya que si las
|
82 |
* bandas no son de visualizaci?n (bandas de la imagen en disco) tendr? un elemento
|
83 |
* por cada una.
|
84 |
*/
|
85 |
private boolean[] showBands = null; |
86 |
|
87 |
private Color[] bandsColor = { |
88 |
Color.red,
|
89 |
Color.green,
|
90 |
Color.blue,
|
91 |
Color.cyan,
|
92 |
Color.black,
|
93 |
Color.darkGray,
|
94 |
Color.gray,
|
95 |
Color.magenta,
|
96 |
Color.yellow,
|
97 |
Color.orange};
|
98 |
|
99 |
public HistogramPanelListener(HistogramPanel p){
|
100 |
histogramPanel = p; |
101 |
} |
102 |
|
103 |
public HistogramPanel getHistogramPanel() {
|
104 |
return histogramPanel;
|
105 |
} |
106 |
|
107 |
public void setControlListeners(){ |
108 |
getHistogramPanel().getGraphicContainer().addValueChangedListener(this);
|
109 |
} |
110 |
|
111 |
/**
|
112 |
* Actualizar cuadro de estad?sticas
|
113 |
*/
|
114 |
private void updateStatistic() { |
115 |
int first = (int) getHistogramPanel().getBoxesValues(true)[1]; |
116 |
int end = (int) getHistogramPanel().getBoxesValues(true)[0]; |
117 |
|
118 |
getHistogramPanel().setStatistic(getLastHistogram().getBasicStats((int) first, (int) end, showBands)); |
119 |
} |
120 |
|
121 |
/**
|
122 |
* Tratamiento de todos los eventos visuales.
|
123 |
*/
|
124 |
public void actionPerformed(ActionEvent e) { |
125 |
if (!eventsEnabled) return; |
126 |
|
127 |
// Boton de desmarcar todas las bandas
|
128 |
if (e.getSource() == getHistogramPanel().getButtonClean()) {
|
129 |
getHistogramPanel().refreshBands(false);
|
130 |
for (int i = 0; i < showBands.length; i++) |
131 |
showBands[i] = false;
|
132 |
updateStatistic(); |
133 |
updateGraphic(); |
134 |
return;
|
135 |
} |
136 |
|
137 |
// Boton de marcar todas las bandas
|
138 |
if (e.getSource() == getHistogramPanel().getButtonShowAll()) {
|
139 |
getHistogramPanel().refreshBands(true);
|
140 |
for (int i = 0; i < showBands.length; i++) |
141 |
showBands[i] = true;
|
142 |
updateStatistic(); |
143 |
updateGraphic(); |
144 |
return;
|
145 |
} |
146 |
|
147 |
//--------------------------------------
|
148 |
//Selecci?n de fuente de datos del histograma
|
149 |
JComboBox cbo = getHistogramPanel().getComboBoxSource();
|
150 |
if (e.getSource() == cbo) {
|
151 |
showHistogram(); |
152 |
return;
|
153 |
} |
154 |
|
155 |
// Checkbox de eliminas extremos
|
156 |
if (e.getSource() == getHistogramPanel().getCBDeleteEdges()) {
|
157 |
updateGraphic(); |
158 |
return;
|
159 |
} |
160 |
|
161 |
//--------------------------------------
|
162 |
//Selecci?n de histograma acumulado y no acumulado
|
163 |
JComboBox cbt = getHistogramPanel().getComboBoxType();
|
164 |
if (e.getSource() == cbt) {
|
165 |
updateStatistic(); |
166 |
updateGraphic(); |
167 |
return;
|
168 |
} |
169 |
|
170 |
//--------------------------------------
|
171 |
// Boton Crear Tabla
|
172 |
JButton table = getHistogramPanel().getBCreateTable();
|
173 |
if (e.getSource() == table) {
|
174 |
try {
|
175 |
// -------Mostrar un fileChooser------------------
|
176 |
String fName;
|
177 |
JFileChooser chooser = new JFileChooser(); |
178 |
chooser.setDialogTitle(PluginServices.getText(this, "guardar_tabla")); |
179 |
|
180 |
int returnVal = chooser.showOpenDialog(getHistogramPanel());
|
181 |
if (returnVal == JFileChooser.APPROVE_OPTION) { |
182 |
fName = chooser.getSelectedFile().toString(); |
183 |
if (!fName.endsWith(".dbf")) |
184 |
fName += ".dbf";
|
185 |
|
186 |
//-------------Crear el dbf----------------------
|
187 |
|
188 |
DbaseFileWriterNIO dbfWrite = null;
|
189 |
DbaseFileHeaderNIO myHeader; |
190 |
Value[] record;
|
191 |
|
192 |
HistogramClass[][] histogram = getLastHistogram().getHistogram(); |
193 |
int numBands = histogram.length;
|
194 |
int numRecors = histogram[0].length; |
195 |
|
196 |
File file = new File(fName); |
197 |
|
198 |
String names[] = new String[numBands+1]; |
199 |
int types[] = new int [numBands+1]; |
200 |
int lengths[] = new int [numBands+1]; |
201 |
|
202 |
names[0]="Value"; |
203 |
types[0]=4; |
204 |
lengths[0]=15; |
205 |
for (int band = 0; band < numBands; band++){ |
206 |
names[band+1]="Band"+band; |
207 |
types[band+1]=4; |
208 |
lengths[band+1]=15; |
209 |
} |
210 |
|
211 |
myHeader = DbaseFileHeaderNIO.createDbaseHeader(names,types,lengths); |
212 |
|
213 |
myHeader.setNumRecords(numRecors); |
214 |
dbfWrite = new DbaseFileWriterNIO(myHeader, (FileChannel) getWriteChannel(file.getPath())); |
215 |
record = new Value[numBands+1]; |
216 |
|
217 |
for (int j = 0; j < numRecors; j++) { |
218 |
record[0] = ValueFactory.createValue(j);
|
219 |
for (int r = 0; r < numBands; r++) { |
220 |
record[r+1] = ValueFactory.createValue(histogram[r][j].getValue());
|
221 |
} |
222 |
|
223 |
dbfWrite.write(record); |
224 |
} |
225 |
|
226 |
dbfWrite.close(); |
227 |
|
228 |
//------------A?adir el dbf al proyecto--------------
|
229 |
ProjectExtension ext = (ProjectExtension) PluginServices.getExtension(ProjectExtension.class); |
230 |
String name = file.getName();
|
231 |
LayerFactory.getDataSourceFactory().addFileDataSource("gdbms dbf driver", name, fName);
|
232 |
DataSource dataSource;
|
233 |
dataSource = LayerFactory.getDataSourceFactory().createRandomDataSource(name, DataSourceFactory.AUTOMATIC_OPENING); |
234 |
|
235 |
SelectableDataSource sds = new SelectableDataSource(dataSource);
|
236 |
EditableAdapter auxea=new EditableAdapter();
|
237 |
auxea.setOriginalDataSource(sds); |
238 |
ProjectTable projectTable = ProjectFactory.createTable(name, auxea); |
239 |
//ext.getProject().addTable(projectTable);
|
240 |
ext.getProject().addDocument(projectTable); |
241 |
|
242 |
Table t = new Table();
|
243 |
t.setModel(projectTable); |
244 |
//projectTable.setAndamiWindow(t);
|
245 |
PluginServices.getMDIManager().addWindow(t); |
246 |
} |
247 |
} catch (IOException e1) { |
248 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
249 |
} catch (DriverLoadException e1) {
|
250 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
251 |
} catch (NoSuchTableException e1) {
|
252 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
253 |
} catch (ReadDriverException e1) {
|
254 |
JOptionPane.showMessageDialog((Component)PluginServices.getMainFrame(),getHistogramPanel().getName() + " " + PluginServices.getText(this,"table_not_create")); |
255 |
} |
256 |
} |
257 |
} |
258 |
|
259 |
/**
|
260 |
* Actualizar la variable de las bandas visibles y su componente visual.
|
261 |
*/
|
262 |
private void refreshBands() { |
263 |
getHistogramPanel().refreshBands(true);
|
264 |
showBands = new boolean[getLastHistogram().getNumBands()]; |
265 |
for (int i = 0; i < showBands.length; i++) |
266 |
showBands[i] = true;
|
267 |
} |
268 |
|
269 |
/**
|
270 |
* Lanza los dos threads para procesar el histograma y visualizar la
|
271 |
* ventana de incremento
|
272 |
*/
|
273 |
public void showHistogram() { |
274 |
if (getHistogramPanel().getComboBoxSource().getSelectedIndex() < 0) |
275 |
return;
|
276 |
|
277 |
int dataSrc = getHistogramPanel().getComboBoxSource().getSelectedIndex();
|
278 |
IHistogramable iaux = (IHistogramable) ((ArrayList) getHistogramPanel().getComboSource().get(dataSrc)).get(0); |
279 |
|
280 |
if (lastHistogram == null) { |
281 |
try {
|
282 |
setNewHistogram(iaux.getHistogram()); |
283 |
} catch (HistogramException e) {
|
284 |
e.printStackTrace(); |
285 |
} |
286 |
return;
|
287 |
} |
288 |
|
289 |
HistogramProcess histogramProcess = new HistogramProcess(iaux, this); |
290 |
IncrementableTask incrementableTask = new IncrementableTask(histogramProcess);
|
291 |
histogramProcess.setIncrementableTask(incrementableTask); |
292 |
incrementableTask.showWindow(); |
293 |
iaux.resetPercent(); |
294 |
histogramProcess.start(); |
295 |
incrementableTask.start(); |
296 |
} |
297 |
|
298 |
/**
|
299 |
* A?ade o elimina una banda de la visualizaci?n. Si la banda se est? visualizando
|
300 |
* se elimina y si no entonces se muestra
|
301 |
* @param band banda a visualizar o borrar del gr?fico
|
302 |
*/
|
303 |
public void addOrRemoveGraphicBand(int band){ |
304 |
if (band > showBands.length) return; |
305 |
showBands[band] = !showBands[band]; |
306 |
} |
307 |
|
308 |
/**
|
309 |
* Actualiza la grafica con los datos que ya teniamos del histograma.
|
310 |
*/
|
311 |
private void updateGraphic() { |
312 |
if (getLastHistogram() == null) return; |
313 |
HistogramClass[][] histogramClass = getLastHistogram().getHistogramByType(Histogram.getType(getHistogramPanel().getComboBoxType().getSelectedIndex())); |
314 |
if (histogramClass == null) return; |
315 |
|
316 |
double[][][] datos = new double[histogramClass.length][histogramClass[0].length][2]; |
317 |
for (int iBand=0; iBand < histogramClass.length; iBand++) { |
318 |
for (int i=0; i<histogramClass[iBand].length; i++) { |
319 |
datos[iBand][i][0] = histogramClass[iBand][i].getMin();
|
320 |
datos[iBand][i][1] = histogramClass[iBand][i].getValue();
|
321 |
} |
322 |
} |
323 |
|
324 |
// Definimos el principio y final de la grafica, sirve para descartar valores.
|
325 |
int first = (int) getHistogramPanel().getBoxesValues(false)[1]; |
326 |
int end = (int) getHistogramPanel().getBoxesValues(false)[0]; |
327 |
|
328 |
// Si hay que eliminar los limites, quitamos el ultimo y primer valor de la grafica
|
329 |
if (getHistogramPanel().getCBDeleteEdges().isSelected()) {
|
330 |
if ((first + 1) <= end) |
331 |
first++; |
332 |
if ((end - 1) >= first) |
333 |
end--; |
334 |
} |
335 |
|
336 |
int bandCount = 0; |
337 |
for (int i = 0; i < showBands.length; i++) { |
338 |
if (showBands[i]) bandCount++;
|
339 |
} |
340 |
|
341 |
double[][][] newHistogram = new double[bandCount][end - first][2]; |
342 |
String[] bandNames = new String[bandCount]; |
343 |
|
344 |
bandCount = datos.length; |
345 |
|
346 |
int numBand = 0; |
347 |
for (int iBand = 0; iBand < datos.length; iBand++) { |
348 |
if (!showBands[iBand]) continue; |
349 |
|
350 |
for (int j=first; j<end; j++) { |
351 |
newHistogram[numBand][j-first][0] = datos[iBand][j][0]; |
352 |
newHistogram[numBand][j-first][1] = datos[iBand][j][1]; |
353 |
} |
354 |
bandNames[numBand] = (String) ((DefaultTableModel) getHistogramPanel().getJTableBands().getModel()).getValueAt(iBand, 1); |
355 |
|
356 |
getHistogramPanel().getGraphicContainer().setBandColor(numBand, bandsColor[iBand % bandsColor.length]); |
357 |
|
358 |
numBand++; |
359 |
} |
360 |
|
361 |
getHistogramPanel().getGraphicContainer().getPGraphic().setNewChart(newHistogram, bandNames); |
362 |
} |
363 |
|
364 |
/**
|
365 |
* Definir el nuevo histograma, metodo pu?blico para ser invocado desde
|
366 |
* histogramProcess
|
367 |
* @param histograma nuevo
|
368 |
*/
|
369 |
public void setNewHistogram(Histogram value) { |
370 |
getHistogramPanel().panelInizialited = false;
|
371 |
eventsEnabled = false;
|
372 |
lastHistogram = value; |
373 |
refreshBands(); |
374 |
updateGraphic(); |
375 |
updateStatistic(); |
376 |
|
377 |
// Activo la ejecucion de los eventos porque seguro que ya tenemos un histograma
|
378 |
eventsEnabled = true;
|
379 |
getHistogramPanel().panelInizialited = true;
|
380 |
} |
381 |
|
382 |
/**
|
383 |
* Obtener ?ltimo histograma
|
384 |
* @return Histogram
|
385 |
*/
|
386 |
public Histogram getLastHistogram() {
|
387 |
return lastHistogram;
|
388 |
} |
389 |
|
390 |
/**
|
391 |
* Eventos de los BoxValues
|
392 |
*/
|
393 |
public void actionValueChanged(GraphicEvent e) { |
394 |
updateStatistic(); |
395 |
} |
396 |
|
397 |
/**
|
398 |
* Proceso para guardar una estadistica en un fichero.
|
399 |
* @param path
|
400 |
* @return
|
401 |
* @throws IOException
|
402 |
*/
|
403 |
private WritableByteChannel getWriteChannel(String path) throws IOException { |
404 |
WritableByteChannel channel;
|
405 |
|
406 |
File f = new File(path); |
407 |
|
408 |
if (!f.exists()) {
|
409 |
System.out.println("Creando fichero " + f.getAbsolutePath()); |
410 |
|
411 |
if (!f.createNewFile()) {
|
412 |
throw new IOException("Cannot create file " + f); |
413 |
} |
414 |
} |
415 |
|
416 |
RandomAccessFile raf = new RandomAccessFile(f, "rw"); |
417 |
channel = raf.getChannel(); |
418 |
|
419 |
return channel;
|
420 |
} |
421 |
|
422 |
/**
|
423 |
* Cuando se selecciona/deselecciona una banda
|
424 |
*/
|
425 |
public void propertyChange(PropertyChangeEvent evt) { |
426 |
if (!eventsEnabled) return; |
427 |
int countRow = ((DefaultTableModel) histogramPanel.getJTableBands().getModel()).getRowCount(); |
428 |
for (int i=0; i<countRow; i++) { |
429 |
showBands[i] = ((Boolean) ((DefaultTableModel) histogramPanel.getJTableBands().getModel()).getValueAt(i, 0)).booleanValue(); |
430 |
} |
431 |
updateGraphic(); |
432 |
updateStatistic(); |
433 |
} |
434 |
} |