root / branches / v2_0_0_prep / libraries / libFMap_controls / src / org / gvsig / fmap / mapcontrol / dal / feature / swing / table / GeometryWKTCellEditor.java @ 38564
History | View | Annotate | Download (7.28 KB)
1 |
/* gvSIG. Geographic Information System of the Valencian Government
|
---|---|
2 |
*
|
3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
4 |
* of the Valencian Government (CIT)
|
5 |
*
|
6 |
* This program is free software; you can redistribute it and/or
|
7 |
* modify it under the terms of the GNU General Public License
|
8 |
* as published by the Free Software Foundation; either version 2
|
9 |
* of the License, or (at your option) any later version.
|
10 |
*
|
11 |
* This program is distributed in the hope that it will be useful,
|
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
14 |
* GNU General Public License for more details.
|
15 |
*
|
16 |
* You should have received a copy of the GNU General Public License
|
17 |
* along with this program; if not, write to the Free Software
|
18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
19 |
* MA 02110-1301, USA.
|
20 |
*
|
21 |
*/
|
22 |
|
23 |
/*
|
24 |
* AUTHORS (In addition to CIT):
|
25 |
* 2008 {DiSiD Technologies} {{Task}}
|
26 |
*/
|
27 |
package org.gvsig.fmap.mapcontrol.dal.feature.swing.table; |
28 |
|
29 |
import java.awt.Component; |
30 |
import java.awt.event.ActionEvent; |
31 |
import java.awt.event.ItemEvent; |
32 |
import java.util.EventObject; |
33 |
|
34 |
import javax.swing.DefaultCellEditor; |
35 |
import javax.swing.JOptionPane; |
36 |
import javax.swing.JTable; |
37 |
|
38 |
import org.gvsig.fmap.geom.Geometry; |
39 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
40 |
import org.gvsig.fmap.geom.GeometryLocator; |
41 |
import org.gvsig.fmap.geom.GeometryManager; |
42 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
43 |
import org.gvsig.fmap.geom.operation.fromwkt.FromWKT; |
44 |
import org.gvsig.fmap.geom.operation.fromwkt.FromWKTGeometryOperationContext; |
45 |
import org.gvsig.fmap.geom.operation.towkt.ToWKT; |
46 |
import org.gvsig.i18n.Messages; |
47 |
import org.slf4j.Logger; |
48 |
import org.slf4j.LoggerFactory; |
49 |
|
50 |
/**
|
51 |
* Editor for cells of type Geometry in WKT format.
|
52 |
* <p>
|
53 |
* If the WKT to represent a Geometry is too big, editing is not allowed, as the
|
54 |
* rendering of that big text is too slow.
|
55 |
* </p>
|
56 |
*
|
57 |
* @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>
|
58 |
*/
|
59 |
public class GeometryWKTCellEditor extends TextAreaCellEditor { |
60 |
private static final GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
61 |
private static final Logger logger = LoggerFactory.getLogger(GeometryWKTCellEditor.class); |
62 |
public static final int DEFAULT_MAX_WKT_LENGTH = 10000; |
63 |
|
64 |
private static final long serialVersionUID = -2296004227902843851L; |
65 |
private Geometry nullGeometry = null; |
66 |
|
67 |
private int maxRowHeight; |
68 |
|
69 |
/**
|
70 |
* Creates a new editor for Geometries in WKT format.
|
71 |
*/
|
72 |
public GeometryWKTCellEditor() {
|
73 |
this(DEFAULT_MAX_WKT_LENGTH, 160); |
74 |
} |
75 |
|
76 |
/**
|
77 |
* Creates a new editor for Geometries in WKT format.
|
78 |
*
|
79 |
* @param maxWKTLength
|
80 |
* the maximum WTK length allowed to be edited.
|
81 |
* @param maxRowHeight
|
82 |
* the maximum row height for the rows with cells rendered with
|
83 |
* this component
|
84 |
*/
|
85 |
public GeometryWKTCellEditor(int maxWKTLength, int maxRowHeight) { |
86 |
super();
|
87 |
delegate = new GeometryToWKTDelegate(delegate, maxWKTLength);
|
88 |
this.maxRowHeight = maxRowHeight;
|
89 |
try {
|
90 |
nullGeometry = geomManager.createNullGeometry(SUBTYPES.GEOM2D); |
91 |
} catch (CreateGeometryException e) {
|
92 |
logger.error("Error creating a null geometry", e);
|
93 |
} |
94 |
} |
95 |
|
96 |
@Override
|
97 |
public Object getCellEditorValue() { |
98 |
String wkt = (String) super.getCellEditorValue(); |
99 |
FromWKTGeometryOperationContext context = new FromWKTGeometryOperationContext(
|
100 |
wkt, null);
|
101 |
|
102 |
try {
|
103 |
return nullGeometry.invokeOperation(FromWKT.CODE, context);
|
104 |
} catch (Exception ex) { |
105 |
throw new WKTToGeometryException(wkt, ex); |
106 |
} |
107 |
} |
108 |
|
109 |
@Override
|
110 |
public Component getTableCellEditorComponent(JTable table, Object value, |
111 |
boolean isSelected, int row, int column) { |
112 |
delegate.setValue(value); |
113 |
if (((GeometryToWKTDelegate) delegate).isWtkTextTooLong()) {
|
114 |
JOptionPane
|
115 |
.showMessageDialog( |
116 |
table.getParent(), |
117 |
Messages |
118 |
.getText("Geometria_no_editable_WKT"), Messages
|
119 |
.getText("Error_editar_geometria"),
|
120 |
JOptionPane.ERROR_MESSAGE);
|
121 |
|
122 |
return null; |
123 |
} else {
|
124 |
int height_wanted = (int) getTextArea().getPreferredSize() |
125 |
.getHeight(); |
126 |
|
127 |
height_wanted = height_wanted > maxRowHeight ? maxRowHeight |
128 |
: height_wanted; |
129 |
|
130 |
if (height_wanted > table.getRowHeight(row)) {
|
131 |
table.setRowHeight(row, height_wanted); |
132 |
} |
133 |
|
134 |
return editorComponent;
|
135 |
} |
136 |
} |
137 |
|
138 |
@SuppressWarnings("serial") |
139 |
private class GeometryToWKTDelegate extends |
140 |
DefaultCellEditor.EditorDelegate {
|
141 |
private DefaultCellEditor.EditorDelegate delegate; |
142 |
|
143 |
private boolean wtkTextTooLong = false; |
144 |
|
145 |
private int maxWKTLength; |
146 |
|
147 |
public GeometryToWKTDelegate(DefaultCellEditor.EditorDelegate delegate, |
148 |
int maxWKTLength) {
|
149 |
this.delegate = delegate;
|
150 |
this.maxWKTLength = maxWKTLength;
|
151 |
} |
152 |
|
153 |
/**
|
154 |
* @return the wtkTextTooLong
|
155 |
*/
|
156 |
public boolean isWtkTextTooLong() { |
157 |
return wtkTextTooLong;
|
158 |
} |
159 |
|
160 |
public void setValue(Object value) { |
161 |
wtkTextTooLong = false;
|
162 |
String strValue = ""; |
163 |
|
164 |
if (value != null) { |
165 |
try {
|
166 |
Geometry geometry = (Geometry) value; |
167 |
strValue = (String) geometry.invokeOperation(ToWKT.CODE,
|
168 |
null);
|
169 |
|
170 |
if (strValue.length() > maxWKTLength) {
|
171 |
wtkTextTooLong = true;
|
172 |
delegate.setValue(null);
|
173 |
} else {
|
174 |
delegate.setValue(strValue); |
175 |
} |
176 |
} catch (Exception ex) { |
177 |
throw new GeometryToWKTException(ex); |
178 |
} |
179 |
} |
180 |
} |
181 |
|
182 |
public Object getCellEditorValue() { |
183 |
if (wtkTextTooLong) {
|
184 |
return null; |
185 |
} else {
|
186 |
return delegate.getCellEditorValue();
|
187 |
} |
188 |
} |
189 |
|
190 |
public void actionPerformed(ActionEvent e) { |
191 |
delegate.actionPerformed(e); |
192 |
} |
193 |
|
194 |
public void cancelCellEditing() { |
195 |
delegate.cancelCellEditing(); |
196 |
} |
197 |
|
198 |
public boolean equals(Object obj) { |
199 |
return delegate.equals(obj);
|
200 |
} |
201 |
|
202 |
public int hashCode() { |
203 |
return delegate.hashCode();
|
204 |
} |
205 |
|
206 |
public boolean isCellEditable(EventObject anEvent) { |
207 |
return delegate.isCellEditable(anEvent);
|
208 |
} |
209 |
|
210 |
public void itemStateChanged(ItemEvent e) { |
211 |
delegate.itemStateChanged(e); |
212 |
} |
213 |
|
214 |
public boolean shouldSelectCell(EventObject anEvent) { |
215 |
return delegate.shouldSelectCell(anEvent);
|
216 |
} |
217 |
|
218 |
public boolean startCellEditing(EventObject anEvent) { |
219 |
return delegate.startCellEditing(anEvent);
|
220 |
} |
221 |
|
222 |
public boolean stopCellEditing() { |
223 |
return delegate.stopCellEditing();
|
224 |
} |
225 |
|
226 |
public String toString() { |
227 |
return delegate.toString();
|
228 |
} |
229 |
} |
230 |
} |