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21
24 package org.lobobrowser.html.renderer;
25 import java.awt.*;
26
27 import org.lobobrowser.html.domimpl.ModelNode;
28 import org.lobobrowser.html.style.RenderState;
29
30 class RWord extends BaseBoundableRenderable {
31 public final String  word;
33
34 public final FontMetrics fontMetrics;
35 public final int descent;
36 public final int ascentPlusLeading;
37
38
41 public RWord(ModelNode me, String word, RenderableContainer container, FontMetrics fontMetrics, int descent, int ascentPlusLeading, int height) {
43 super(container, me);
44 this.word = word;
45 this.fontMetrics = fontMetrics;
46 this.descent = descent;
47 this.ascentPlusLeading = ascentPlusLeading;
48 this.height = height;
49 this.width = fontMetrics.stringWidth(word);
52 }
53
54 protected void invalidateLayoutLocal() {
55 }
56
57
60 public void paint(Graphics g) {
61 RenderState rs = this.modelNode.getRenderState();
62 String word = this.word;
63 int width = this.width;
64 int ascentPlusLeading = this.ascentPlusLeading;
65 int height = this.height;
66 int textDecoration = rs.getTextDecorationMask();
67 Color bkg = rs.getTextBackgroundColor();
68 if(bkg != null) {
69 Color oldColor = g.getColor();
70 try {
71 g.setColor(bkg);
72 g.fillRect(0, 0, width, height);
73 } finally {
74 g.setColor(oldColor);
75 }
76 }
77 g.drawString(word, 0, ascentPlusLeading);
78 int td = textDecoration;
79 if(td != 0) {
80 if((td & RenderState.MASK_TEXTDECORATION_UNDERLINE) != 0) {
81 int lineOffset = ascentPlusLeading + 2;
82 g.drawLine(0, lineOffset, width, lineOffset);
83 }
84 if ((td & RenderState.MASK_TEXTDECORATION_LINE_THROUGH) != 0) {
85 FontMetrics fm = this.fontMetrics;
86 int lineOffset = fm.getLeading() + (fm.getAscent() + fm.getDescent()) / 2;
87 g.drawLine(0, lineOffset, width, lineOffset);
88 }
89 if ((td & RenderState.MASK_TEXTDECORATION_OVERLINE) != 0) {
90 FontMetrics fm = this.fontMetrics;
91 int lineOffset = fm.getLeading();
92 g.drawLine(0, lineOffset, width, lineOffset);
93 }
94 if ((td & RenderState.MASK_TEXTDECORATION_BLINK) != 0) {
95 }
97 }
98 Color over = rs.getOverlayColor();
99 if(over != null) {
100 Color oldColor = g.getColor();
101 try {
102 g.setColor(over);
103 g.fillRect(0, 0, width, height);
104 } finally {
105 g.setColor(oldColor);
106 }
107 }
108 }
109
110 public boolean paintSelection(Graphics g, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
111 int startX = -1;
112 int endX = -1;
113 if(this == startPoint.renderable) {
114 startX = startPoint.x;
115 }
116 if(this == endPoint.renderable) {
117 endX = endPoint.x;
118 }
119 if(!inSelection && startX == -1 && endX == -1) {
120 return false;
121 }
122 if(startX != -1 && endX != -1) {
123 if(endX < startX) {
124 int temp = startX;
125 startX = endX;
126 endX = temp;
127 }
128 }
129 else if(startX != -1 && endX == -1 && inSelection) {
130 endX = startX;
131 startX = -1;
132 }
133 else if(startX == -1 && endX != -1 && !inSelection) {
134 startX = endX;
135 endX = -1;
136 }
137 int width1 = -1;
138 int width2 = -1;
139 char[] wordChars = this.word.toCharArray();
140 if(startX != -1) {
141 width1 = 0;
142 FontMetrics fm = this.fontMetrics;
143 for(int len = 0; len < wordChars.length; len++) {
144 int w = fm.charsWidth(wordChars, 0, len);
145 if(w > startX) {
146 break;
147 }
148 width1 = w;
149 }
150 }
151 if(endX != -1) {
152 width2 = 0;
153 FontMetrics fm = this.fontMetrics;
154 for(int len = 0; len < wordChars.length; len++) {
155 int w = fm.charsWidth(wordChars, 0, len);
156 if(w > endX) {
157 break;
158 }
159 width2 = w;
160 }
161 }
162 if(width1 != -1 || width2 != -1) {
163 int startPaint = width1 == -1 ? 0 : width1;
164 int endPaint = width2 == -1 ? this.width : width2;
165 g.setColor(SELECTION_COLOR);
166 g.setXORMode(SELECTION_XOR);
167 g.fillRect(startPaint, 0, endPaint - startPaint, this.height);
168 g.setPaintMode();
169 return (width2 == -1);
170 }
171 else {
172 if(inSelection) {
173 g.setColor(SELECTION_COLOR);
174 g.setXORMode(SELECTION_XOR);
175 g.fillRect(0, 0, this.width, this.height);
176 g.setPaintMode();
177 }
178 return inSelection;
179 }
180 }
181
182 public boolean extractSelectionText(StringBuffer buffer, boolean inSelection, RenderableSpot startPoint, RenderableSpot endPoint) {
183 int startX = -1;
184 int endX = -1;
185 if(this == startPoint.renderable) {
186 startX = startPoint.x;
187 }
188 if(this == endPoint.renderable) {
189 endX = endPoint.x;
190 }
191 if(!inSelection && startX == -1 && endX == -1) {
192 return false;
193 }
194 if(startX != -1 && endX != -1) {
195 if(endX < startX) {
196 int temp = startX;
197 startX = endX;
198 endX = temp;
199 }
200 }
201 else if(startX != -1 && endX == -1 && inSelection) {
202 endX = startX;
203 startX = -1;
204 }
205 else if(startX == -1 && endX != -1 && !inSelection) {
206 startX = endX;
207 endX = -1;
208 }
209 int index1 = -1;
210 int index2 = -1;
211 char[] wordChars = this.word.toCharArray();
212 if(startX != -1) {
213 index1 = 0;
214 FontMetrics fm = this.fontMetrics;
215 for(int len = 0; len < wordChars.length; len++) {
216 int w = fm.charsWidth(wordChars, 0, len);
217 if(w > startX) {
218 break;
219 }
220 index1 = len;
221 }
222 }
223 if(endX != -1) {
224 index2 = 0;
225 FontMetrics fm = this.fontMetrics;
226 for(int len = 0; len < wordChars.length; len++) {
227 int w = fm.charsWidth(wordChars, 0, len);
228 if(w > endX) {
229 break;
230 }
231 index2 = len;
232 }
233 }
234 if(index1 != -1 || index2 != -1) {
235 int startIndex = index1 == -1 ? 0 : index1;
236 int endIndex = index2 == -1 ? wordChars.length : index2;
237 buffer.append(wordChars, startIndex, endIndex - startIndex);
238 }
239 else {
240 if(inSelection) {
241 buffer.append(wordChars);
242 return true;
243 }
244 }
245 if(index1 != -1 && index2 != -1) {
246 return false;
247 }
248 else {
249 return !inSelection;
250 }
251 }
252
253 public boolean onMouseClick(java.awt.event.MouseEvent event, int x, int y) {
254 ModelNode me = this.modelNode;
255 if(me != null) {
256 return HtmlController.getInstance().onMouseClick(me, event, x, y);
257 }
258 else {
259 return true;
260 }
261 }
262
263 public boolean onDoubleClick(java.awt.event.MouseEvent event, int x, int y) {
264 ModelNode me = this.modelNode;
265 if(me != null) {
266 return HtmlController.getInstance().onDoubleClick(me, event, x, y);
267 }
268 else {
269 return true;
270 }
271 }
272
273 public boolean onMousePressed(java.awt.event.MouseEvent event, int x, int y) {
274 ModelNode me = this.modelNode;
275 if(me != null) {
276 return HtmlController.getInstance().onMouseDown(me, event, x, y);
277 }
278 else {
279 return true;
280 }
281 }
282
283 public boolean onMouseReleased(java.awt.event.MouseEvent event, int x, int y) {
284 ModelNode me = this.modelNode;
285 if(me != null) {
286 return HtmlController.getInstance().onMouseUp(me, event, x, y);
287 }
288 else {
289 return true;
290 }
291 }
292
293 public boolean onMouseDisarmed(java.awt.event.MouseEvent event) {
294 ModelNode me = this.modelNode;
295 if(me != null) {
296 return HtmlController.getInstance().onMouseDisarmed(me, event);
297 }
298 else {
299 return true;
300 }
301 }
302
303 public RenderableSpot getLowestRenderableSpot(int x, int y) {
304 return new RenderableSpot(this, x, y);
305 }
306
307 public String toString() {
308 return "RWord[word=" + this.word + "]";
309 }
310 }
311 |
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