1 // Copyright 2002 Adam Megacz, see the COPYING file for licensing [GPL]
4 import org.mozilla.javascript.*;
11 * A helper class for properties of Box which require special
14 * To avoid excessive use of String.equals(), the Box.get() and
15 * Box.put() methods employ a Hash keyed on property names that
16 * require special handling. The value stored in the Hash is an
17 * instance of an anonymous subclass of SpecialBoxProperty, which knows
18 * how to handle get()s and put()s for that property name. There
19 * should be one anonymous subclass of SpecialBoxProperty for each
20 * specially-handled property on Box.
22 class SpecialBoxProperty {
24 SpecialBoxProperty() { }
25 private static final int NUMINTS = Box.NUMINTS;
26 private static final int dmax = Box.dmax;
27 private static final int dmin = Box.dmin;
28 private static final int cmin = Box.cmin;
29 private static final int abs = Box.abs;
30 private static final int pos = Box.pos;
31 private static final int size = Box.size;
32 private static final int oldpos = Box.oldpos;
33 private static final int oldsize = Box.oldsize;
34 private static final int pad = Box.pad;
36 /** stores instances of SpecialBoxProperty; keyed on property name */
37 static Hash specialBoxProperties = new Hash(200, 3);
39 /** this method defines the behavior when the property is get()ed from b */
40 Object get(Box b) { return null; }
42 /** this method defines the behavior when the property is put() to b */
43 void put(Box b, Object value) { }
45 /** this method defines the behavior when the property is put() to b, allows a single SpecialBoxProperty to serve multiple properties */
46 void put(String name, Box b, Object value) { put(b, value); }
48 // 'ye olde IBM CGA colours', as defined in the XWT reference
49 static final int black = 0xFF000000;
50 static final int blue = 0xFF000088;
51 static final int green = 0xFF008800;
52 static final int cyan = 0xFF008888;
53 static final int red = 0xFF880000;
54 static final int magenta = 0xFF880088;
55 static final int brown = 0xFF888800;
56 static final int lightGray = 0xFFBDBEBD;
57 static final int darkGray = 0xFF242424;
58 static final int brightBlue = 0xFF0000FF;
59 static final int brightGreen = 0xFF00FF00;
60 static final int brightCyan = 0xFF00FFFF;
61 static final int brightRed = 0xFFFF0000;
62 static final int pink = 0xFFFF00FF;
63 static final int yellow = 0xFFFFFF00;
64 static final int white = 0xFFFFFFFF;
68 specialBoxProperties.put("color", new SpecialBoxProperty() {
69 public Object get(Box b) {
70 if ((b.color & 0xFF000000) == 0) return null;
71 String red = Integer.toHexString((b.color & 0x00FF0000) >> 16);
72 String green = Integer.toHexString((b.color & 0x0000FF00) >> 8);
73 String blue = Integer.toHexString(b.color & 0x000000FF);
74 if (red.length() < 2) red = "0" + red;
75 if (blue.length() < 2) blue = "0" + blue;
76 if (green.length() < 2) green = "0" + green;
77 return "#" + red + green + blue;
79 public void put(Box b, Object value) {
80 int newcolor = b.color;
81 String s = value == null ? null : value.toString();
82 if (value == null) newcolor = 0x00000000;
83 else if (s.length() > 0 && s.charAt(0) == '#')
84 newcolor = 0xFF000000 |
85 (Integer.parseInt(s.substring(1, 3), 16) << 16) |
86 (Integer.parseInt(s.substring(3, 5), 16) << 8) |
87 Integer.parseInt(s.substring(5, 7), 16);
88 else if (s.equals("black")) newcolor = black;
89 else if (s.equals("blue")) newcolor = blue;
90 else if (s.equals("green")) newcolor = green;
91 else if (s.equals("cyan")) newcolor = cyan;
92 else if (s.equals("red")) newcolor = red;
93 else if (s.equals("magenta")) newcolor = magenta;
94 else if (s.equals("brown")) newcolor = brown;
95 else if (s.equals("lightGray")) newcolor = lightGray;
96 else if (s.equals("darkGray")) newcolor = darkGray;
97 else if (s.equals("brightBlue")) newcolor = brightBlue;
98 else if (s.equals("brightGreen")) newcolor = brightGreen;
99 else if (s.equals("brightCyan")) newcolor = brightCyan;
100 else if (s.equals("brightRed")) newcolor = brightRed;
101 else if (s.equals("pink")) newcolor = pink;
102 else if (s.equals("yellow")) newcolor = yellow;
103 else if (s.equals("white")) newcolor = white;
104 else if (Log.on) Log.log(this, "invalid color " + s);
106 if (newcolor == b.color) return;
112 specialBoxProperties.put("textcolor", new SpecialBoxProperty() {
113 public Object get(Box b) {
114 if ((b.textcolor & 0xFF000000) == 0) return null;
115 String red = Integer.toHexString((b.textcolor & 0x00FF0000) >> 16);
116 String green = Integer.toHexString((b.textcolor & 0x0000FF00) >> 8);
117 String blue = Integer.toHexString(b.textcolor & 0x000000FF);
118 if (red.length() < 2) red = "0" + red;
119 if (blue.length() < 2) blue = "0" + blue;
120 if (green.length() < 2) green = "0" + green;
121 return "#" + red + green + blue;
123 public void put(Box b, Object value) {
124 int newtextcolor = b.color;
125 if (value == null) return;
126 String s = value.toString();
127 if (s.length() > 0 && s.charAt(0) == '#')
128 newtextcolor = 0xFF000000 |
129 (Integer.parseInt(s.substring(1, 3), 16) << 16) |
130 (Integer.parseInt(s.substring(3, 5), 16) << 8) |
131 Integer.parseInt(s.substring(5, 7), 16);
132 else if (s.equals("black")) newtextcolor = black;
133 else if (s.equals("blue")) newtextcolor = blue;
134 else if (s.equals("green")) newtextcolor = green;
135 else if (s.equals("cyan")) newtextcolor = cyan;
136 else if (s.equals("red")) newtextcolor = red;
137 else if (s.equals("magenta")) newtextcolor = magenta;
138 else if (s.equals("brown")) newtextcolor = brown;
139 else if (s.equals("lightGray")) newtextcolor = lightGray;
140 else if (s.equals("darkGray")) newtextcolor = darkGray;
141 else if (s.equals("brightBlue")) newtextcolor = brightBlue;
142 else if (s.equals("brightGreen")) newtextcolor = brightGreen;
143 else if (s.equals("brightCyan")) newtextcolor = brightCyan;
144 else if (s.equals("brightRed")) newtextcolor = brightRed;
145 else if (s.equals("pink")) newtextcolor = pink;
146 else if (s.equals("yellow")) newtextcolor = yellow;
147 else if (s.equals("white")) newtextcolor = white;
148 else if (Log.on) Log.log(this, "invalid textcolor " + s);
150 if (newtextcolor == b.textcolor) return;
151 b.textcolor = newtextcolor;
155 specialBoxProperties.put("text", new SpecialBoxProperty() {
156 public Object get(Box b) { return b.text; }
157 public void put(Box b, Object value) {
158 String t = value == null ? "null" : value.toString();
159 if (t.equals(b.text)) return;
161 for(int i=0; i<t.length(); i++)
162 if (Character.isISOControl(t.charAt(i))) {
163 if (Log.on) Log.log(this,
164 "ISO Control characters are not permitted in box text strings; offending character is ASCII " +
171 // FIXME: don't know why this is needed
179 specialBoxProperties.put("thisbox", new SpecialBoxProperty() {
180 public Object get(Box b) { return b; }
181 public void put(Box b, Object value) {
182 if (value == null) b.remove();
183 else if (value.equals("window") || value.equals("frame")) {
184 if (b.redirect != b && Log.on)
185 Log.log(this, "WARNING: you have created a surface whose root box's redirect is not itself " +
186 "-- this isn't usually a good idea");
187 Platform.createSurface(b, value.equals("frame"), true);
188 } else if (Log.on) Log.log(this, "put invalid value to 'thisbox' property: " + value);
192 specialBoxProperties.put("orient", new SpecialBoxProperty() {
193 public Object get(Box b) {
194 if (b.redirect == null) return "horizontal";
195 else if (b.redirect != b) return get(b.redirect);
196 else if (b.o == 1) return "vertical";
197 else return "horizontal";
199 public void put(Box b, Object value) {
200 if (value == null) return;
201 if (b.redirect == null) return;
202 if (b.redirect != b) {
203 put(b.redirect, value);
206 if (value.equals("vertical")) {
207 if (b.o == 1) return;
210 } else if (value.equals("horizontal")) {
211 if (b.o == 0) return;
215 Log.log(this, "invalid value put to orient property: " + value);
216 b.mark_for_prerender();
217 b.sync_cmin_to_children();
220 specialBoxProperties.put("static", new SpecialBoxProperty() {
221 public Object get(Box b) {
222 String cfsn = JSObject.getCurrentFunctionSourceName();
223 for(int i=0; i<cfsn.length() - 1; i++)
224 if (cfsn.charAt(i) == '.' && (cfsn.charAt(i+1) == '_' || Character.isDigit(cfsn.charAt(i+1)))) {
225 cfsn = cfsn.substring(0, i);
228 return Static.getStatic(cfsn);
230 public void put(Box b, Object value) { }
233 specialBoxProperties.put("sizetoimage", new SpecialBoxProperty() {
234 public Object get(Box b) { return b.sizetoimage ? Boolean.TRUE : Boolean.FALSE; }
235 public void put(Box b, Object value) {
237 if (b.sizetoimage) return;
238 b.sizetoimage = true;
241 b.sizetoimage = false;
245 specialBoxProperties.put("fixedaspect", new SpecialBoxProperty() {
246 public Object get(Box b) { return b.sizetoimage ? Boolean.TRUE : Boolean.FALSE; }
247 public void put(Box b, Object value) {
248 boolean newval = stob(value);
249 if (newval == b.fixedaspect) return;
250 b.fixedaspect = newval;
254 specialBoxProperties.put("shrink", new SpecialBoxProperty() {
255 public Object get(Box b) { return (b.vshrink && b.hshrink) ? Boolean.TRUE : Boolean.FALSE; }
256 public void put(Box b, Object value) {
257 boolean newshrink = stob(value);
258 if (b.hshrink == newshrink && b.vshrink == newshrink) return;
259 b.hshrink = b.vshrink = newshrink;
260 if (b.hshrink) b.set(b.dmax, 0, Box.max(b.cmin(0), b.textdim(0) + 2 * b.pad(0), b.dmin(0)));
261 if (b.vshrink) b.set(b.dmax, 1, Box.max(b.cmin(1), b.textdim(1) + 2 * b.pad(1), b.dmin(1)));
264 specialBoxProperties.put("hshrink", new SpecialBoxProperty() {
265 public Object get(Box b) { return new Boolean(b.hshrink); }
266 public void put(Box b, Object value) {
267 boolean newshrink = stob(value);
268 if (b.hshrink == newshrink) return;
269 b.hshrink = newshrink;
270 if (b.hshrink) b.set(b.dmax, 0, Box.max(b.cmin(0), b.textdim(0) + 2 * b.pad(0), b.dmin(0)));
274 specialBoxProperties.put("vshrink", new SpecialBoxProperty() {
275 public Object get(Box b) { return b.vshrink ? Boolean.TRUE : Boolean.FALSE; }
276 public void put(Box b, Object value) {
277 boolean newshrink = stob(value);
278 if (b.vshrink == newshrink) return;
279 b.vshrink = newshrink;
280 if (b.vshrink) b.set(b.dmax, 1, Box.max(b.cmin(1), b.textdim(1) + 2 * b.pad(1), b.dmin(1)));
284 specialBoxProperties.put("x", new SpecialBoxProperty() {
285 public Object get(Box b) {
286 if (b.surface == null) return new Integer(0);
287 if (b.invisible) return new Integer(0);
288 return new Integer(b.abs(0));
290 public void put(Box b, Object value) {
291 if (b.getParent() == null && b.surface != null) {
292 b.surface.setLocation(stoi(value), b.abs(1));
293 b.surface.centerSurfaceOnRender = false;
295 b.set(abs, 0, stosh(value));
299 specialBoxProperties.put("y", new SpecialBoxProperty() {
300 public Object get(Box b) {
301 if (b.surface == null) return new Integer(0);
302 if (b.invisible) return new Integer(0);
303 return new Integer(b.abs(1));
305 public void put(Box b, Object value) {
306 if (b.getParent() == null && b.surface != null) {
307 b.surface.setLocation(b.abs(0), stoi(value));
308 b.surface.centerSurfaceOnRender = false;
310 b.set(abs, 1, stosh(value));
314 specialBoxProperties.put("width", new SpecialBoxProperty() {
315 public Object get(Box b) { return new Integer(b.size(0)); }
316 public void put(Box b, Object value) {
317 if (b.sizetoimage) return;
318 if (b.getParent() == null && b.surface != null) {
319 b.set(size, 0, Box.max(Surface.scarPicture.getWidth(), stosh(value)));
320 b.mark_for_prerender();
322 b.set(dmax, 0, stosh(value));
323 b.set(dmin, 0, stosh(value));
327 specialBoxProperties.put("height", new SpecialBoxProperty() {
328 public Object get(Box b) { return new Integer(b.size(1)); }
329 public void put(Box b, Object value) {
330 if (b.sizetoimage) return;
331 if (b.getParent() == null && b.surface != null) {
332 b.set(size, 1, Box.max(Surface.scarPicture.getHeight(), stosh(value)));
333 b.mark_for_prerender();
335 b.set(dmax, 1, stosh(value));
336 b.set(dmin, 1, stosh(value));
340 specialBoxProperties.put("flex", new SpecialBoxProperty() {
341 public Object get(Box b) { return new Double(b.flex); }
342 public void put(Box b, Object value) {
343 if (value == null) return;
344 int newflex = stoi(value);
345 if (newflex == b.flex) return;
347 b.mark_for_prerender();
350 specialBoxProperties.put("tile", new SpecialBoxProperty() {
351 public Object get(Box b) { return b.tile ? Boolean.TRUE : Boolean.FALSE; }
352 public void put(Box b, Object value) {
353 boolean newtile = stob(value);
354 if (newtile == b.tile) return;
359 specialBoxProperties.put("align", new SpecialBoxProperty() {
360 public Object get(Box b) {
361 if (b.align == -1) return "topleft";
362 else if (b.align == 1) return "bottomright";
363 else return "center";
365 public void put(Box b, Object value) {
366 String s = value == null ? "" : value.toString();
367 byte newalign = b.align;
368 if (s.equals("topleft")) newalign = -1;
369 else if (s.equals("bottomright")) newalign = 1;
370 else if (s.equals("center")) newalign = 0;
371 else if (Log.on) Log.log(this, "invalid value put to align property: " + value);
372 if (newalign == b.align) return;
374 if (b.getParent() != null) b.getParent().mark_for_prerender();
377 specialBoxProperties.put("invisible", new SpecialBoxProperty() {
378 public Object get(Box b) { return b.invisible ? Boolean.TRUE : Boolean.FALSE; }
379 public void put(Box b, Object value) {
380 boolean newinvisible = stob(value);
381 if (newinvisible == b.invisible) return;
382 b.invisible = newinvisible;
383 if (b.getParent() == null) {
384 if (b.surface != null) b.surface.setInvisible(newinvisible);
387 b.getParent().mark_for_prerender();
388 b.getParent().sync_cmin_to_children();
389 b.getParent().dirty(b.pos(0), b.pos(1), b.size(0), b.size(1));
390 b.getParent().dirty(b.oldpos(0), b.oldpos(1), b.oldsize(0), b.oldsize(1));
394 specialBoxProperties.put("absolute", new SpecialBoxProperty() {
395 public Object get(Box b) { return b.absolute ? Boolean.TRUE : Boolean.FALSE; }
396 public void put(Box b, Object value) {
397 boolean newabsolute = stob(value);
398 if (newabsolute == b.absolute) return;
399 b.absolute = newabsolute;
400 if (b.getParent() != null) {
401 b.getParent().mark_for_prerender();
402 b.getParent().sync_cmin_to_children();
406 specialBoxProperties.put("image", new SpecialBoxProperty() {
407 public Object get(Box b) { return b.image == null ? null : Box.imageToNameMap.get(b.image); }
408 public void put(Box b, Object value) { b.setImage(value == null ? null : value.toString()); }
411 specialBoxProperties.put("border", new SpecialBoxProperty() {
412 public Object get(Box b) { return b.border == null ? null : Box.imageToNameMap.get(b.border); }
413 public void put(Box b, Object value) { b.setBorder(value == null ? null : value.toString()); }
416 specialBoxProperties.put("font", new SpecialBoxProperty() {
417 public Object get(Box b) { return b.font; }
418 public void put(Box b, Object value) {
419 if (value == null) value = Platform.getDefaultFont();
420 b.font = value.toString();
425 specialBoxProperties.put("globalx", new SpecialBoxProperty() {
426 public Object get(Box b) { return new Integer(b.getParent() == null || b.surface == null ? 0 : b.pos(0)); }
427 public void put(Box b, Object value) {
428 if (b.surface == null || b.getParent() == null) return;
429 b.put("x", null, new Integer(stoi(value) - stoi(get(b.getParent()))));
433 specialBoxProperties.put("globaly", new SpecialBoxProperty() {
434 public Object get(Box b) { return new Integer(b.getParent() == null || b.surface == null ? 0 : b.pos(1)); }
435 public void put(Box b, Object value) {
436 if (b.surface == null || b.getParent() == null) return;
437 b.put("y", null, new Integer(stoi(value) - stoi(get(b.getParent()))));
441 specialBoxProperties.put("cursor", new SpecialBoxProperty() {
442 public Object get(Box b) { return b.cursor; }
443 public void put(Box b, Object value) {
444 b.cursor = (String)value;
445 if (b.surface == null) return;
447 // see if we need to update the surface cursor
448 String tempcursor = b.surface.cursor;
449 b.Move(b.surface.mousex, b.surface.mousey, b.surface.mousex, b.surface.mousey);
450 if (b.surface.cursor != tempcursor) b.surface.syncCursor();
454 specialBoxProperties.put("mousex", new SpecialBoxProperty() {
455 public Object get(Box b) { return new Integer(b.surface == null ? 0 : b.surface.mousex - b.pos(0)); }
458 specialBoxProperties.put("mousey", new SpecialBoxProperty() {
459 public Object get(Box b) { return new Integer(b.surface == null ? 0 : b.surface.mousey - b.pos(1)); }
462 specialBoxProperties.put("xwt", new SpecialBoxProperty() {
463 public Object get(Box b) { return XWT.singleton; }
466 specialBoxProperties.put("mouseinside", new SpecialBoxProperty() {
467 public Object get(Box b) { return b.mouseinside ? Boolean.TRUE : Boolean.FALSE; }
470 specialBoxProperties.put("numchildren", new SpecialBoxProperty() {
471 public Object get(Box b) {
472 if (b.redirect == null) return new Integer(0);
473 if (b.redirect != b) return get(b.redirect);
474 return new Integer(b.numChildren());
477 SpecialBoxProperty mouseEventHandler = new SpecialBoxProperty() {
478 public void put(String name, Box b, Object value) {
479 if (b.surface == null) return;
480 if (b.getParent() == null) {
481 if (b.surface.boxContainingMouse != null && b.surface.boxContainingMouse.getParent() != null)
482 b.surface.boxContainingMouse.put(name, b.surface.boxContainingMouse, value);
485 for(Box c = b.prevSibling(); c != null; c = c.prevSibling())
486 if (c.inside(c.surface.mousex, c.surface.mousey)) {
487 c.put(name, c, value);
491 if (b.getParent() != null && b.getParent().getParent() != null)
492 b.getParent().put(name, b.getParent(), value);
496 specialBoxProperties.put("Press1", mouseEventHandler);
497 specialBoxProperties.put("Press2", mouseEventHandler);
498 specialBoxProperties.put("Press3", mouseEventHandler);
499 specialBoxProperties.put("Release1", mouseEventHandler);
500 specialBoxProperties.put("Release2", mouseEventHandler);
501 specialBoxProperties.put("Release3", mouseEventHandler);
502 specialBoxProperties.put("Click1", mouseEventHandler);
503 specialBoxProperties.put("Click2", mouseEventHandler);
504 specialBoxProperties.put("Click3", mouseEventHandler);
505 specialBoxProperties.put("DoubleClick1", mouseEventHandler);
506 specialBoxProperties.put("DoubleClick2", mouseEventHandler);
507 specialBoxProperties.put("DoubleClick3", mouseEventHandler);
509 specialBoxProperties.put("root", new SpecialBoxProperty() {
510 public Object get(Box b) {
511 if (b.surface == null) return null;
512 else if (b.getRoot() == null) return null;
513 else return b.getRoot().getRootProxy();
516 specialBoxProperties.put("Minimized", new SpecialBoxProperty() {
517 public Object get(Box b) {
518 if (b.getParent() == null && b.surface != null) return b.surface.minimized ? Boolean.TRUE : Boolean.FALSE;
521 public void put(Box b, Object value) {
522 if (b.surface == null) return;
523 boolean val = stob(value);
524 if (b.getParent() == null && b.surface.minimized != val) b.surface.setMinimized(val);
528 specialBoxProperties.put("Maximized", new SpecialBoxProperty() {
529 public Object get(Box b) {
530 if (b.getParent() == null && b.surface != null) return b.surface.maximized ? Boolean.TRUE : Boolean.FALSE;
533 public void put(Box b, Object value) {
534 if (b.surface == null) return;
535 boolean val = stob(value);
536 if (b.getParent() == null && b.surface.maximized != val) b.surface.setMaximized(val);
540 specialBoxProperties.put("toback", new SpecialBoxProperty() {
541 public void put(Box b, Object value) {
542 if (b.getParent() == null && stob(value) && b.surface != null) b.surface.toBack();
546 specialBoxProperties.put("tofront", new SpecialBoxProperty() {
547 public void put(Box b, Object value) {
548 if (b.getParent() == null && stob(value) && b.surface != null) b.surface.toFront();
552 specialBoxProperties.put("hscar", new SpecialBoxProperty() {
553 public void put(Box b, Object value) {
554 if (b.getParent() == null && b.surface != null) {
555 b.surface.hscar = stoi(value);
556 b.surface.dirty(0, 0, b.surface.width, b.surface.height);
562 specialBoxProperties.put("vscar", new SpecialBoxProperty() {
563 public void put(Box b, Object value) {
564 if (b.getParent() == null && b.surface != null) {
565 b.surface.vscar = stoi(value);
566 b.surface.dirty(0, 0, b.surface.width, b.surface.height);
572 specialBoxProperties.put("Close", new SpecialBoxProperty() {
573 public void put(Box b, Object value) {
574 if (b.getParent() == null && b.surface != null) b.surface.dispose();
578 // these are all do-nothings; just to prevent space from getting taken up in the params Hash.
579 specialBoxProperties.put("KeyPressed", new SpecialBoxProperty());
580 specialBoxProperties.put("KeyReleased", new SpecialBoxProperty());
581 specialBoxProperties.put("PosChange", new SpecialBoxProperty());
582 specialBoxProperties.put("SizeChange", new SpecialBoxProperty());
584 specialBoxProperties.put("hpad", new SpecialBoxProperty() {
585 public Object get(Box b) {
586 if (b.redirect == null) return new Integer(0);
587 if (b.redirect != b) return get(b.redirect);
588 return new Integer(b.pad(0));
590 public void put(Box b, Object value) {
591 if (b.redirect == null) return;
592 if (b.redirect != b) { put(b.redirect, value); return; }
593 short newval = stosh(value);
594 if (newval == b.pad(0)) return;
595 b.set(pad, 0, newval);
599 specialBoxProperties.put("vpad", new SpecialBoxProperty() {
600 public Object get(Box b) {
601 if (b.redirect == null) return new Integer(0);
602 if (b.redirect != b) return get(b.redirect);
603 return new Integer(b.pad(1));
605 public void put(Box b, Object value) {
606 if (b.redirect == null) return;
607 if (b.redirect != b) { put(b.redirect, value); return; }
608 short newval = stosh(value);
609 if (newval == b.pad(1)) return;
610 b.set(pad, 1, newval);
614 specialBoxProperties.put("indexof", new SpecialBoxProperty() {
615 public Object get(Box b) { return b.indexof(); }
618 specialBoxProperties.put("minwidth", new SpecialBoxProperty() {
619 public Object get(Box b) { return new Integer(b.dmin(0)); }
620 public void put(Box b, Object value) {
621 if (b.sizetoimage) return;
622 b.set(dmin, 0, stosh(value));
626 specialBoxProperties.put("maxwidth", new SpecialBoxProperty() {
627 public Object get(Box b) { return new Integer(b.dmax(0)); }
628 public void put(Box b, Object value) {
629 if (b.sizetoimage) return;
630 b.set(dmax, 0, stosh(value));
634 specialBoxProperties.put("minheight", new SpecialBoxProperty() {
635 public Object get(Box b) { return new Integer(b.dmin(1)); }
636 public void put(Box b, Object value) {
637 if (b.sizetoimage) return;
638 b.set(dmin, 1, stosh(value));
642 specialBoxProperties.put("maxheight", new SpecialBoxProperty() {
643 public Object get(Box b) { return new Integer(b.dmax(1)); }
644 public void put(Box b, Object value) {
645 if (b.sizetoimage) return;
646 b.set(dmax, 1, stosh(value));
652 /** helper that converts a String to a boolean according to JavaScript coercion rules */
653 public static boolean stob(Object o) {
654 if (o == null) return false;
655 return Boolean.TRUE.equals(o) || "true".equals(o);
658 /** helper that converts a String to an int according to JavaScript coercion rules */
659 public static int stoi(Object o) {
660 if (o == null) return 0;
661 if (o instanceof Integer) return ((Integer)o).intValue();
664 if (!(o instanceof String)) s = o.toString();
667 try { return Integer.parseInt(s.indexOf('.') == -1 ? s : s.substring(0, s.indexOf('.'))); }
668 catch (NumberFormatException e) { return 0; }
671 /** helper that converts a String to a short according to JavaScript coercion rules */
672 public static short stosh(Object o) {
673 if (o == null) return 0;
674 if (o instanceof Number) return ((Number)o).shortValue();
677 if (!(o instanceof String)) s = o.toString();
680 try { return Short.parseShort(s.indexOf('.') == -1 ? s : s.substring(0, s.indexOf('.'))); }
681 catch (NumberFormatException e) { return 0; }