svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.symbology / org.gvsig.symbology.swing / org.gvsig.symbology.swing.api / src / main / java / org / gvsig / app / gui / styling / PatternEditor.java @ 40560
History | View | Annotate | Download (8.62 KB)
1 |
/**
|
---|---|
2 |
* gvSIG. Desktop Geographic Information System.
|
3 |
*
|
4 |
* Copyright (C) 2007-2013 gvSIG Association.
|
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 3
|
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 |
* For any additional information, do not hesitate to contact us
|
22 |
* at info AT gvsig.com, or visit our website www.gvsig.com.
|
23 |
*/
|
24 |
package org.gvsig.app.gui.styling; |
25 |
|
26 |
import java.awt.Color; |
27 |
import java.awt.Graphics; |
28 |
import java.awt.GridLayout; |
29 |
import java.awt.Point; |
30 |
import java.awt.Rectangle; |
31 |
import java.awt.event.ActionEvent; |
32 |
import java.awt.event.ActionListener; |
33 |
import java.awt.event.MouseEvent; |
34 |
import java.awt.event.MouseListener; |
35 |
import java.awt.event.MouseMotionListener; |
36 |
import java.util.ArrayList; |
37 |
|
38 |
import javax.swing.JFrame; |
39 |
import javax.swing.JPanel; |
40 |
|
41 |
public class PatternEditor extends JPanel { |
42 |
/**
|
43 |
*
|
44 |
*/
|
45 |
private static final long serialVersionUID = 4393880700290565871L; |
46 |
private static final int NULL_STATE = 0; |
47 |
private static final int EMPTY_STATE = 1; |
48 |
private static final int FILL_STATE = 2; |
49 |
private static final int END_MARK_STATE = 3; |
50 |
private int dividers = 9; |
51 |
private int subDividersPerDivider = 5; |
52 |
private int separations = dividers * subDividersPerDivider; |
53 |
private int vGap = 5; // pixels |
54 |
private int hGap = 5; |
55 |
private float dash[]; |
56 |
private int states[] = new int[separations]; |
57 |
private MyMouseListener mouseBehavior = new MyMouseListener(); |
58 |
private Rectangle bounds; |
59 |
private int width,height,halfHeight,separation; |
60 |
private ArrayList<ActionListener> listeners=new ArrayList<ActionListener>(); |
61 |
|
62 |
public PatternEditor() {
|
63 |
super();
|
64 |
addMouseListener(mouseBehavior); |
65 |
addMouseMotionListener(mouseBehavior); |
66 |
for (int i = 0; i < states.length; i++) { |
67 |
states[i] = NULL_STATE; |
68 |
} |
69 |
states[0] = END_MARK_STATE;
|
70 |
} |
71 |
|
72 |
public float[] getDash() { |
73 |
return dash;
|
74 |
} |
75 |
|
76 |
public void setDash(float[] dash) { |
77 |
this.dash=dash;
|
78 |
obtain_states(dash); |
79 |
repaint(); |
80 |
} |
81 |
|
82 |
private void obtain_states(float[] dash) { |
83 |
int pos=0; |
84 |
if(dash == null) return; |
85 |
|
86 |
//Para el resto de casos
|
87 |
for (int i = 0; i < dash.length; i++) { |
88 |
if(i%2 == 0) { |
89 |
for (int j = 0; j < dash[i]; j++) { |
90 |
states[pos]=FILL_STATE; |
91 |
pos++; |
92 |
} |
93 |
} |
94 |
else {
|
95 |
for (int j = 0; j < dash[i]; j++) { |
96 |
states[pos]=EMPTY_STATE; |
97 |
pos++; |
98 |
} |
99 |
} |
100 |
} |
101 |
states[pos]=END_MARK_STATE; |
102 |
|
103 |
|
104 |
} |
105 |
|
106 |
private void create_Dash() { |
107 |
if (states[0] == NULL_STATE) dash=null; |
108 |
else {
|
109 |
int divisions = 1; |
110 |
boolean firstfilled = true; |
111 |
|
112 |
//To create the divisions of the dash
|
113 |
if (states[0] == EMPTY_STATE) { |
114 |
divisions ++; |
115 |
firstfilled = false;
|
116 |
} |
117 |
int k=1; |
118 |
if(states[0] != END_MARK_STATE ) { |
119 |
while (states[k] != END_MARK_STATE) {
|
120 |
if(states[k] != states[k-1])divisions++; |
121 |
k++; |
122 |
} |
123 |
} |
124 |
|
125 |
|
126 |
//To fill the dash array
|
127 |
int pos=0; |
128 |
if(divisions ==1)dash=null; |
129 |
else {
|
130 |
dash = new float[divisions]; |
131 |
if(!firstfilled) {
|
132 |
dash[0]=0; |
133 |
pos++; |
134 |
firstfilled = true;
|
135 |
} |
136 |
dash[pos]=1;
|
137 |
|
138 |
int i=1; |
139 |
while(states[i]!= END_MARK_STATE) {
|
140 |
if(states[i] == states[i-1])dash[pos]++; |
141 |
else {
|
142 |
pos++; |
143 |
dash[pos]=1;
|
144 |
} |
145 |
i++; |
146 |
} |
147 |
} |
148 |
for (int i = 0; dash!=null && i < dash.length; i++) { |
149 |
System.out.print(dash[i]+" "); |
150 |
} |
151 |
System.out.print("\n"); |
152 |
|
153 |
} |
154 |
for (int i=0;i<listeners.size();i++) { |
155 |
listeners.get(i).actionPerformed(new ActionEvent(this,ActionEvent.ACTION_FIRST,"Released")); |
156 |
} |
157 |
} |
158 |
|
159 |
public void clear_Dash() { |
160 |
dash = null;
|
161 |
for (int i = 0; i < states.length; i++) { |
162 |
states[i] = NULL_STATE; |
163 |
} |
164 |
states[0] = END_MARK_STATE;
|
165 |
repaint(); |
166 |
create_Dash(); |
167 |
|
168 |
} |
169 |
|
170 |
@Override
|
171 |
public void paintComponent(Graphics g) { |
172 |
super.paintComponent(g);
|
173 |
bounds = getBounds(); |
174 |
width = bounds.width; |
175 |
height = bounds.height-2*vGap;
|
176 |
halfHeight = height / 2;
|
177 |
separation = width / separations; |
178 |
for (int i = 0; i <= separations; i++) { |
179 |
if (i%subDividersPerDivider == 0) { |
180 |
g.drawLine(hGap+separation*i, vGap, hGap+separation*i, vGap+halfHeight-3);
|
181 |
} else {
|
182 |
g.drawLine(hGap+separation*i, vGap+(halfHeight/2), hGap+separation*i, vGap+halfHeight-3); |
183 |
} |
184 |
|
185 |
} |
186 |
|
187 |
for(int i = 0; i < states.length ; i++) { |
188 |
switch (states[i]) {
|
189 |
case END_MARK_STATE:
|
190 |
g.setColor(Color.GRAY);
|
191 |
break;
|
192 |
case NULL_STATE:
|
193 |
continue;
|
194 |
case FILL_STATE:
|
195 |
g.setColor(Color.BLACK);
|
196 |
break;
|
197 |
case EMPTY_STATE:
|
198 |
g.setColor(Color.WHITE);
|
199 |
break;
|
200 |
} |
201 |
bounds.setLocation(0, 0); |
202 |
g.fillRect(hGap+separation*i, (vGap)+height/2, separation, halfHeight);
|
203 |
|
204 |
} |
205 |
bounds.setLocation(0, 0); |
206 |
g.drawRect(hGap,(vGap)+height/2 ,separation*separations,halfHeight);
|
207 |
|
208 |
} |
209 |
public static void main(String[] args) { |
210 |
JFrame f = new JFrame(); |
211 |
final PatternEditor pe1 = new PatternEditor(); |
212 |
final PatternEditor pe2 = new PatternEditor(); |
213 |
JPanel content = new JPanel(new GridLayout(2, 1)); |
214 |
pe1.addActionListener(new ActionListener() { |
215 |
public void actionPerformed(ActionEvent e) { |
216 |
pe2.setDash(pe1.getDash()); |
217 |
} |
218 |
}); |
219 |
|
220 |
content.add(pe1); |
221 |
content.add(pe2); |
222 |
f.setContentPane(content); |
223 |
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
|
224 |
f.pack(); |
225 |
f.setVisible(true);
|
226 |
|
227 |
} |
228 |
|
229 |
private class MyMouseListener implements MouseListener, MouseMotionListener { |
230 |
private Point initialPoint = null; |
231 |
private Point endPoint = null; |
232 |
|
233 |
|
234 |
public void mouseEntered(MouseEvent e) { /* nothing */ } |
235 |
public void mouseExited(MouseEvent e){ /* nothing */ } |
236 |
public void mouseReleased(MouseEvent e) { /* nothing */ } |
237 |
public void mouseMoved(MouseEvent e) { /* nothing */ } |
238 |
|
239 |
public void mouseClicked(MouseEvent e){ |
240 |
initialPoint = getPoint(e); |
241 |
} |
242 |
|
243 |
public void mousePressed(MouseEvent e) { |
244 |
initialPoint = getPoint(e); |
245 |
if(isValidPoint(initialPoint)) {
|
246 |
if (states[getRect(initialPoint)]== EMPTY_STATE)
|
247 |
states[getRect(initialPoint)] = FILL_STATE; |
248 |
else if (states[getRect(initialPoint)]== FILL_STATE) |
249 |
states[getRect(initialPoint)] = EMPTY_STATE; |
250 |
|
251 |
repaint(); |
252 |
create_Dash(); |
253 |
} |
254 |
} |
255 |
private Point getPoint(MouseEvent e) { |
256 |
Point p = new Point();//getLocation(); |
257 |
Point p2 = e.getPoint();
|
258 |
return new Point(p2.x - p.x, p2.y - p.y); |
259 |
} |
260 |
|
261 |
private synchronized void doIt() { |
262 |
if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))return; |
263 |
|
264 |
if(isValidPoint(endPoint) && isValidPoint(initialPoint)) {
|
265 |
int stateIndex = getRect(initialPoint);
|
266 |
if (stateIndex>=separations) return; |
267 |
switch (states[stateIndex]) {
|
268 |
case END_MARK_STATE:
|
269 |
case NULL_STATE:
|
270 |
enlarge(); |
271 |
break;
|
272 |
case FILL_STATE:
|
273 |
swap(); |
274 |
break;
|
275 |
} |
276 |
repaint(); |
277 |
create_Dash(); |
278 |
} |
279 |
} |
280 |
|
281 |
private void swap() { |
282 |
if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))return; |
283 |
|
284 |
if(states[getRect(endPoint)] == EMPTY_STATE)
|
285 |
states[getRect(endPoint)]= FILL_STATE; |
286 |
|
287 |
else return; |
288 |
} |
289 |
|
290 |
private synchronized void enlarge() { |
291 |
|
292 |
if(!isValidPoint(endPoint) || !isValidPoint(initialPoint))
|
293 |
return;
|
294 |
int index = getRect(endPoint);
|
295 |
if (index >= separations)
|
296 |
return;
|
297 |
if(isValidPoint(endPoint) && isValidPoint(initialPoint)) {
|
298 |
for (int i = index-1; i >= 0; i--) { |
299 |
if (states[i] != FILL_STATE)
|
300 |
states[i] = EMPTY_STATE; |
301 |
} |
302 |
for (int i = index+1; i < states.length; i++) { |
303 |
states[i] = NULL_STATE; |
304 |
} |
305 |
|
306 |
|
307 |
states[index] = END_MARK_STATE; |
308 |
} |
309 |
} |
310 |
|
311 |
private boolean isValidPoint(Point p) { |
312 |
if (getRect(p)!= -1) |
313 |
return true; |
314 |
return false; |
315 |
} |
316 |
|
317 |
private int getRect(Point p) { |
318 |
if (( vGap+halfHeight <= p.y ) && ( p.y <= vGap+2*halfHeight )) |
319 |
if((hGap <= p.x) && (p.x <= hGap+(separation*separations)))
|
320 |
return (p.x - hGap) / separation;
|
321 |
return -1; |
322 |
} |
323 |
|
324 |
public void mouseDragged(MouseEvent e) { |
325 |
endPoint = getPoint(e); |
326 |
if(isValidPoint(endPoint)) {
|
327 |
doIt(); |
328 |
} |
329 |
} |
330 |
|
331 |
} |
332 |
|
333 |
public void addActionListener(ActionListener patternChange) { |
334 |
listeners.add(patternChange); |
335 |
|
336 |
} |
337 |
|
338 |
} |