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1 package org.lobobrowser.html.renderer;
2
3 import java.awt.Graphics  ;
4 import java.awt.Point ;
5 import java.awt.Rectangle ;
6 import java.util.Iterator ;
7
8 import org.lobobrowser.html.domimpl.ModelNode;
9
10 abstract class BaseRCollection extends BaseBoundableRenderable implements
11 RCollection {
12 public BaseRCollection(RenderableContainer container, ModelNode modelNode) {
13 super(container, modelNode);
14 }
15
16 public void focus() {
17 this.container.focus();
18 }
20
21 public void blur() {
22 RCollection parent = this.parent;
23 if(parent != null) {
24 parent.focus();
25 }
26 else {
27 }
29 }
30
31
35 public void updateWidgetBounds(int guiX, int guiY) {
36 Iterator i = this.getRenderables();
37 if(i != null) {
38 while(i.hasNext()) {
39 Object r = i.next();
40 if(r instanceof RCollection) {
41 RCollection rc = (RCollection) r;
43 rc.updateWidgetBounds(guiX + rc.getX(), guiY + rc.getY());
44 }
45 }
46 }
47 }
48
49 private boolean checkStartSelection(Rectangle bounds, Point selectionPoint) {
50 if(bounds.y > selectionPoint.y) {
51 return true;
52 }
53 else if(selectionPoint.y >= bounds.y && selectionPoint.y < bounds.y + bounds.height && bounds.x > selectionPoint.x) {
54 return true;
55 }
56 else {
57 return false;
58 }
59 }
60
61 private boolean checkEndSelection(Rectangle bounds, Point selectionPoint) {
62 if(bounds.y > selectionPoint.y) {
63 return true;
64 }
65 else if(selectionPoint.y >= bounds.y && selectionPoint.y < bounds.y + bounds.height && selectionPoint.x < bounds.x) {
66 return true;
67 }
68 else {
69 return false;
70 }
71 }
72
73 public boolean paintSelection(Graphics g, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
74 Point checkPoint1 = null;
76 Point checkPoint2 = null;
77 if(!inSelection) {
78 boolean isStart = startPoint.renderable == this;
79 boolean isEnd = endPoint.renderable == this;
80 if(isStart && isEnd) {
81 checkPoint1 = startPoint.getPoint();
82 checkPoint2 = endPoint.getPoint();
83 }
84 else if(isStart) {
85 checkPoint1 = startPoint.getPoint();
86 }
87 else if(isEnd) {
88 checkPoint1 = endPoint.getPoint();
89 }
90 }
91 else {
92 if(startPoint.renderable == this) {
93 checkPoint1 = startPoint.getPoint();
94 }
95 else if(endPoint.renderable == this) {
96 checkPoint1 = endPoint.getPoint();
97 }
98 }
99 Iterator i = this.getRenderables();
100 if(i != null) {
101 while(i.hasNext()) {
102 Object robj = i.next();
103 if(robj instanceof BoundableRenderable) {
104 BoundableRenderable renderable = (BoundableRenderable) robj;
105 Rectangle bounds = renderable.getBounds();
106 if(!inSelection) {
107 if(checkPoint1 != null && this.checkStartSelection(bounds, checkPoint1)) {
108 if(checkPoint2 != null) {
109 checkPoint1 = checkPoint2;
110 checkPoint2 = null;
111 }
112 else {
113 checkPoint1 = null;
114 }
115 inSelection = true;
116 }
117 else if(checkPoint2 != null && this.checkStartSelection(bounds, checkPoint2)) {
118 checkPoint1 = null;
119 checkPoint2 = null;
120 inSelection = true;
121 }
122 }
123 else if(inSelection && checkPoint1 != null && this.checkEndSelection(bounds, checkPoint1)) {
124 return false;
125 }
126 int offsetX = bounds.x;
127 int offsetY = bounds.y;
128 g.translate(offsetX, offsetY);
129 try {
130 boolean newInSelection = renderable.paintSelection(g, inSelection, startPoint, endPoint);
131 if(inSelection && !newInSelection) {
132 return false;
133 }
134 inSelection = newInSelection;
135 } finally {
136 g.translate(-offsetX, -offsetY);
137 }
138 }
139 }
140 }
141 if(inSelection && checkPoint1 != null) {
142 return false;
143 }
144 else if(!inSelection && (checkPoint1 != null || checkPoint2 != null) && !(checkPoint1 != null && checkPoint2 != null)) {
145 return true;
149 }
150 return inSelection;
151 }
152
153 public boolean extractSelectionText(StringBuffer buffer, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
154 Point checkPoint1 = null;
155 Point checkPoint2 = null;
156 if(!inSelection) {
157 boolean isStart = startPoint.renderable == this;
158 boolean isEnd = endPoint.renderable == this;
159 if(isStart && isEnd) {
160 checkPoint1 = startPoint.getPoint();
161 checkPoint2 = endPoint.getPoint();
162 }
163 else if(isStart) {
164 checkPoint1 = startPoint.getPoint();
165 }
166 else if(isEnd) {
167 checkPoint1 = endPoint.getPoint();
168 }
169 }
170 else {
171 if(startPoint.renderable == this) {
172 checkPoint1 = startPoint.getPoint();
173 }
174 else if(endPoint.renderable == this) {
175 checkPoint1 = endPoint.getPoint();
176 }
177 }
178 Iterator i = this.getRenderables();
179 if(i != null) {
180 while(i.hasNext()) {
181 Object robj = i.next();
182 if(robj instanceof BoundableRenderable) {
183 BoundableRenderable renderable = (BoundableRenderable) robj;
184 if(!inSelection) {
185 Rectangle bounds = renderable.getBounds();
186 if(checkPoint1 != null && this.checkStartSelection(bounds, checkPoint1)) {
187 if(checkPoint2 != null) {
188 checkPoint1 = checkPoint2;
189 checkPoint2 = null;
190 }
191 else {
192 checkPoint1 = null;
193 }
194 inSelection = true;
195 }
196 else if(checkPoint2 != null && this.checkStartSelection(bounds, checkPoint2)) {
197 checkPoint1 = null;
198 checkPoint2 = null;
199 inSelection = true;
200 }
201 }
202 else if(inSelection && checkPoint1 != null && this.checkEndSelection(renderable.getBounds(), checkPoint1)) {
203 return false;
204 }
205 boolean newInSelection = renderable.extractSelectionText(buffer, inSelection, startPoint, endPoint);
206 if(inSelection && !newInSelection) {
207 return false;
208 }
209 inSelection = newInSelection;
210 }
211 }
212 }
213 if(inSelection && checkPoint1 != null) {
214 return false;
215 }
216 else if(!inSelection && (checkPoint1 != null || checkPoint2 != null) && !(checkPoint1 != null && checkPoint2 != null)) {
217 return true;
221 }
222 return inSelection;
223 }
224
225 public void invalidateLayoutDeep() {
226 this.invalidateLayoutLocal();
230 Iterator renderables = this.getRenderables();
231 while(renderables.hasNext()) {
232 Object r = renderables.next();
233 if(r instanceof RCollection) {
234 ((RCollection) r).invalidateLayoutDeep();
235 }
236 }
237 }
238 }
239 |
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