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1
21
24 package org.lobobrowser.html.renderer;
25
26 import java.awt.*;
27
28 import org.lobobrowser.html.domimpl.*;
29
30 import java.util.logging.*;
31
32
35 abstract class BaseBoundableRenderable extends BaseRenderable implements BoundableRenderable {
36 protected static final Logger logger = Logger.getLogger(BaseBoundableRenderable.class.getName());
37 protected static final Color SELECTION_COLOR = Color.BLUE;
38 protected static final Color SELECTION_XOR = Color.LIGHT_GRAY;
39
40 protected final RenderableContainer container;
42 protected final ModelNode modelNode;
43
44 public int x, y, width, height;
45
46
49 protected boolean layoutUpTreeCanBeInvalidated = true;
50
51 public BaseBoundableRenderable(RenderableContainer container, ModelNode modelNode) {
52 this.container = container;
53 this.modelNode = modelNode;
54 }
55
56 public java.awt.Point  getGUIPoint(int clientX, int clientY) {
57 Renderable parent = this.getParent();
58 if(parent instanceof BoundableRenderable) {
59 return ((BoundableRenderable) parent).getGUIPoint(clientX + this.x, clientY + this.y);
60 }
61 else if(parent == null) {
62 return this.container.getGUIPoint(clientX + this.x, clientY + this.y);
63 }
64 else {
65 throw new IllegalStateException ("parent=" + parent);
66 }
67 }
68
69 public Point getRenderablePoint(int guiX, int guiY) {
70 Renderable parent = this.getParent();
71 if(parent instanceof BoundableRenderable) {
72 return ((BoundableRenderable) parent).getRenderablePoint(guiX - this.x, guiY - this.y);
73 }
74 else if(parent == null) {
75 return new Point(guiX - this.x, guiY - this.y);
76 }
77 else {
78 throw new IllegalStateException ("parent=" + parent);
79 }
80 }
81
82 public int getHeight() {
83 return height;
84 }
85
86
87 public int getWidth() {
88 return width;
89 }
90
91
92 public void setWidth(int width) {
93 this.width = width;
94 }
95
96 public int getX() {
97 return x;
98 }
99
100
101 public int getY() {
102 return y;
103 }
104
105 public boolean contains(int x, int y) {
106 return x >= this.x && y >= this.y && x < this.x + this.width && y < this.y + this.height;
107 }
108
109 public Rectangle getBounds() {
110 return new Rectangle(this.x, this.y, this.width, this.height);
111 }
112
113 public Dimension getSize() {
114 return new Dimension(this.width, this.height);
115 }
116
117 public ModelNode getModelNode() {
118 return this.modelNode;
119 }
120
121 public void setBounds(int x, int y, int width, int height) {
129 this.x = x;
130 this.y = y;
131 this.width = width;
132 this.height = height;
133 }
134
135 public void setX(int x) {
136 this.x = x;
137 }
138
139 public void setY(int y) {
140 this.y = y;
141 }
142
143 public void setHeight(int height) {
144 this.height = height;
145 }
146
147 public void setOrigin(int x, int y) {
148 this.x = x;
149 this.y = y;
150 }
151
152 protected abstract void invalidateLayoutLocal();
153
154
158 public final void invalidateLayoutUpTree() {
159 if(this.layoutUpTreeCanBeInvalidated) {
160 this.layoutUpTreeCanBeInvalidated = false;
161 this.invalidateLayoutLocal();
162 Renderable parent = this.originalParent;
164 if(parent == null) {
165 parent = this.parent;
166 if(parent == null) {
167 RenderableContainer rc = this.container;
169 if(rc != null) {
170 rc.invalidateLayoutUpTree();
171 }
172 }
173 else {
174 parent.invalidateLayoutUpTree();
175 }
176 }
177 else {
178 parent.invalidateLayoutUpTree();
179 }
180 }
181 else {
182 }
183 }
184
185 protected boolean isValid() {
186 return this.layoutUpTreeCanBeInvalidated;
187 }
188
189
190 protected final void relayoutImpl(boolean invalidateLocal) {
191 if(invalidateLocal) {
192 this.invalidateLayoutUpTree();
193 }
194 Renderable parent = this.parent;
195 if(parent instanceof BaseBoundableRenderable) {
196 ((BaseBoundableRenderable) parent).relayoutImpl(false);
197 }
198 else if(parent == null) {
199 this.container.relayout();
201 }
202 else {
203 if(logger.isLoggable(Level.INFO)) {
204 logger.warning("relayout(): Don't know how to relayout " + this + ", parent being " + parent);
205 }
206 }
207 }
208
209
214 public void relayout() {
215 if(EventQueue.isDispatchThread()) {
216 this.relayoutImpl(true);
217 }
218 else {
219 EventQueue.invokeLater(new Runnable () {
220 public void run() {
221 relayout();
222 }
223 });
224 }
225 }
226
227
230 protected RCollection parent;
231
232 public void setParent(RCollection parent) {
233 this.parent = parent;
234 }
235
236 public RCollection getParent() {
237 return this.parent;
238 }
239
240
243 protected RCollection originalParent;
244
245 public void setOriginalParent(RCollection origParent) {
246 this.originalParent = origParent;
247 }
248
249
252 public RCollection getOriginalParent() {
253 return this.originalParent;
254 }
255
256 public RCollection getOriginalOrCurrentParent() {
257 RCollection origParent = this.originalParent;
258 if(origParent == null) {
259 return this.parent;
260 }
261 return origParent;
262 }
263
264 public void repaint(int x, int y, int width, int height) {
265 Renderable parent = this.parent;
266 if(parent instanceof BoundableRenderable) {
267 ((BoundableRenderable) parent).repaint(x + this.x, y + this.y, width, height);
268 }
269 else if(parent == null) {
270 this.container.repaint(x, y, width, height);
272 }
273 else {
274 if(logger.isLoggable(Level.INFO)) {
275 logger.warning("repaint(): Don't know how to repaint " + this + ", parent being " + parent);
276 }
277 }
278 }
279
280 public void repaint() {
281 this.repaint(0, 0, this.width, this.height);
282 }
283
284 public Color getBlockBackgroundColor() {
285 return this.container.getPaintedBackgroundColor();
286 }
287
288 public final void paintTranslated(Graphics g) {
289 int x = this.x;
290 int y = this.y;
291 g.translate(x, y);
292 try {
293 this.paint(g);
294 } finally {
295 g.translate(-x, -y);
296 }
297 }
298
299 protected final java.awt.Point translateDescendentPoint(BoundableRenderable descendent, int x, int y) {
300 while(descendent != this) {
301 if(descendent == null) {
302 throw new IllegalStateException ("Not descendent");
303 }
304 x += descendent.getX();
305 y += descendent.getY();
306 descendent = descendent.getParent();
308 }
309 return new Point(x, y);
310 }
311 }
312 |
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