Changesets can be listed by changeset number.
The Git repository is here.
- Revision:
- 15
- Log:
Attempt to update Typo to a Typo SVN HEAD release from around the
time the prototype installation was set up on the RISC OS Open Limited
web site. Timestamps place this at 04-Jul so a revision from 05-Jul or
earlier was pulled and copied over the 2.6.0 tarball stable code.
- Author:
- adh
- Date:
- Sat Jul 22 23:27:35 +0100 2006
- Size:
- 23613 Bytes
1 | // Copyright (c) 2005 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us) |
2 | // |
3 | // See scriptaculous.js for full license. |
4 | |
5 | /*--------------------------------------------------------------------------*/ |
6 | |
7 | var Droppables = { |
8 | drops: [], |
9 | |
10 | remove: function(element) { |
11 | this.drops = this.drops.reject(function(d) { return d.element==$(element) }); |
12 | }, |
13 | |
14 | add: function(element) { |
15 | element = $(element); |
16 | var options = Object.extend({ |
17 | greedy: true, |
18 | hoverclass: null |
19 | }, arguments[1] || {}); |
20 | |
21 | // cache containers |
22 | if(options.containment) { |
23 | options._containers = []; |
24 | var containment = options.containment; |
25 | if((typeof containment == 'object') && |
26 | (containment.constructor == Array)) { |
27 | containment.each( function(c) { options._containers.push($(c)) }); |
28 | } else { |
29 | options._containers.push($(containment)); |
30 | } |
31 | } |
32 | |
33 | if(options.accept) options.accept = [options.accept].flatten(); |
34 | |
35 | Element.makePositioned(element); // fix IE |
36 | options.element = element; |
37 | |
38 | this.drops.push(options); |
39 | }, |
40 | |
41 | isContained: function(element, drop) { |
42 | var parentNode = element.parentNode; |
43 | return drop._containers.detect(function(c) { return parentNode == c }); |
44 | }, |
45 | |
46 | isAffected: function(point, element, drop) { |
47 | return ( |
48 | (drop.element!=element) && |
49 | ((!drop._containers) || |
50 | this.isContained(element, drop)) && |
51 | ((!drop.accept) || |
52 | (Element.classNames(element).detect( |
53 | function(v) { return drop.accept.include(v) } ) )) && |
54 | Position.within(drop.element, point[0], point[1]) ); |
55 | }, |
56 | |
57 | deactivate: function(drop) { |
58 | if(drop.hoverclass) |
59 | Element.removeClassName(drop.element, drop.hoverclass); |
60 | this.last_active = null; |
61 | }, |
62 | |
63 | activate: function(drop) { |
64 | if(drop.hoverclass) |
65 | Element.addClassName(drop.element, drop.hoverclass); |
66 | this.last_active = drop; |
67 | }, |
68 | |
69 | show: function(point, element) { |
70 | if(!this.drops.length) return; |
71 | |
72 | if(this.last_active) this.deactivate(this.last_active); |
73 | this.drops.each( function(drop) { |
74 | if(Droppables.isAffected(point, element, drop)) { |
75 | if(drop.onHover) |
76 | drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element)); |
77 | if(drop.greedy) { |
78 | Droppables.activate(drop); |
79 | throw $break; |
80 | } |
81 | } |
82 | }); |
83 | }, |
84 | |
85 | fire: function(event, element) { |
86 | if(!this.last_active) return; |
87 | Position.prepare(); |
88 | |
89 | if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active)) |
90 | if (this.last_active.onDrop) |
91 | this.last_active.onDrop(element, this.last_active.element, event); |
92 | }, |
93 | |
94 | reset: function() { |
95 | if(this.last_active) |
96 | this.deactivate(this.last_active); |
97 | } |
98 | } |
99 | |
100 | var Draggables = { |
101 | drags: [], |
102 | observers: [], |
103 | |
104 | register: function(draggable) { |
105 | if(this.drags.length == 0) { |
106 | this.eventMouseUp = this.endDrag.bindAsEventListener(this); |
107 | this.eventMouseMove = this.updateDrag.bindAsEventListener(this); |
108 | this.eventKeypress = this.keyPress.bindAsEventListener(this); |
109 | |
110 | Event.observe(document, "mouseup", this.eventMouseUp); |
111 | Event.observe(document, "mousemove", this.eventMouseMove); |
112 | Event.observe(document, "keypress", this.eventKeypress); |
113 | } |
114 | this.drags.push(draggable); |
115 | }, |
116 | |
117 | unregister: function(draggable) { |
118 | this.drags = this.drags.reject(function(d) { return d==draggable }); |
119 | if(this.drags.length == 0) { |
120 | Event.stopObserving(document, "mouseup", this.eventMouseUp); |
121 | Event.stopObserving(document, "mousemove", this.eventMouseMove); |
122 | Event.stopObserving(document, "keypress", this.eventKeypress); |
123 | } |
124 | }, |
125 | |
126 | activate: function(draggable) { |
127 | window.focus(); // allows keypress events if window isn't currently focused, fails for Safari |
128 | this.activeDraggable = draggable; |
129 | }, |
130 | |
131 | deactivate: function() { |
132 | this.activeDraggable = null; |
133 | }, |
134 | |
135 | updateDrag: function(event) { |
136 | if(!this.activeDraggable) return; |
137 | var pointer = [Event.pointerX(event), Event.pointerY(event)]; |
138 | // Mozilla-based browsers fire successive mousemove events with |
139 | // the same coordinates, prevent needless redrawing (moz bug?) |
140 | if(this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return; |
141 | this._lastPointer = pointer; |
142 | this.activeDraggable.updateDrag(event, pointer); |
143 | }, |
144 | |
145 | endDrag: function(event) { |
146 | if(!this.activeDraggable) return; |
147 | this._lastPointer = null; |
148 | this.activeDraggable.endDrag(event); |
149 | this.activeDraggable = null; |
150 | }, |
151 | |
152 | keyPress: function(event) { |
153 | if(this.activeDraggable) |
154 | this.activeDraggable.keyPress(event); |
155 | }, |
156 | |
157 | addObserver: function(observer) { |
158 | this.observers.push(observer); |
159 | this._cacheObserverCallbacks(); |
160 | }, |
161 | |
162 | removeObserver: function(element) { // element instead of observer fixes mem leaks |
163 | this.observers = this.observers.reject( function(o) { return o.element==element }); |
164 | this._cacheObserverCallbacks(); |
165 | }, |
166 | |
167 | notify: function(eventName, draggable, event) { // 'onStart', 'onEnd', 'onDrag' |
168 | if(this[eventName+'Count'] > 0) |
169 | this.observers.each( function(o) { |
170 | if(o[eventName]) o[eventName](eventName, draggable, event); |
171 | }); |
172 | }, |
173 | |
174 | _cacheObserverCallbacks: function() { |
175 | ['onStart','onEnd','onDrag'].each( function(eventName) { |
176 | Draggables[eventName+'Count'] = Draggables.observers.select( |
177 | function(o) { return o[eventName]; } |
178 | ).length; |
179 | }); |
180 | } |
181 | } |
182 | |
183 | /*--------------------------------------------------------------------------*/ |
184 | |
185 | var Draggable = Class.create(); |
186 | Draggable.prototype = { |
187 | initialize: function(element) { |
188 | var options = Object.extend({ |
189 | handle: false, |
190 | starteffect: function(element) { |
191 | new Effect.Opacity(element, {duration:0.2, from:1.0, to:0.7}); |
192 | }, |
193 | reverteffect: function(element, top_offset, left_offset) { |
194 | var dur = Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02; |
195 | element._revert = new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur}); |
196 | }, |
197 | endeffect: function(element) { |
198 | new Effect.Opacity(element, {duration:0.2, from:0.7, to:1.0}); |
199 | }, |
200 | zindex: 1000, |
201 | revert: false, |
202 | scroll: false, |
203 | scrollSensitivity: 20, |
204 | scrollSpeed: 15, |
205 | snap: false // false, or xy or [x,y] or function(x,y){ return [x,y] } |
206 | }, arguments[1] || {}); |
207 | |
208 | this.element = $(element); |
209 | |
210 | if(options.handle && (typeof options.handle == 'string')) |
211 | this.handle = Element.childrenWithClassName(this.element, options.handle, true)[0]; |
212 | if(!this.handle) this.handle = $(options.handle); |
213 | if(!this.handle) this.handle = this.element; |
214 | |
215 | if(options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) |
216 | options.scroll = $(options.scroll); |
217 | |
218 | Element.makePositioned(this.element); // fix IE |
219 | |
220 | this.delta = this.currentDelta(); |
221 | this.options = options; |
222 | this.dragging = false; |
223 | |
224 | this.eventMouseDown = this.initDrag.bindAsEventListener(this); |
225 | Event.observe(this.handle, "mousedown", this.eventMouseDown); |
226 | |
227 | Draggables.register(this); |
228 | }, |
229 | |
230 | destroy: function() { |
231 | Event.stopObserving(this.handle, "mousedown", this.eventMouseDown); |
232 | Draggables.unregister(this); |
233 | }, |
234 | |
235 | currentDelta: function() { |
236 | return([ |
237 | parseInt(Element.getStyle(this.element,'left') || '0'), |
238 | parseInt(Element.getStyle(this.element,'top') || '0')]); |
239 | }, |
240 | |
241 | initDrag: function(event) { |
242 | if(Event.isLeftClick(event)) { |
243 | // abort on form elements, fixes a Firefox issue |
244 | var src = Event.element(event); |
245 | if(src.tagName && ( |
246 | src.tagName=='INPUT' || |
247 | src.tagName=='SELECT' || |
248 | src.tagName=='OPTION' || |
249 | src.tagName=='BUTTON' || |
250 | src.tagName=='TEXTAREA')) return; |
251 | |
252 | if(this.element._revert) { |
253 | this.element._revert.cancel(); |
254 | this.element._revert = null; |
255 | } |
256 | |
257 | var pointer = [Event.pointerX(event), Event.pointerY(event)]; |
258 | var pos = Position.cumulativeOffset(this.element); |
259 | this.offset = [0,1].map( function(i) { return (pointer[i] - pos[i]) }); |
260 | |
261 | Draggables.activate(this); |
262 | Event.stop(event); |
263 | } |
264 | }, |
265 | |
266 | startDrag: function(event) { |
267 | this.dragging = true; |
268 | |
269 | if(this.options.zindex) { |
270 | this.originalZ = parseInt(Element.getStyle(this.element,'z-index') || 0); |
271 | this.element.style.zIndex = this.options.zindex; |
272 | } |
273 | |
274 | if(this.options.ghosting) { |
275 | this._clone = this.element.cloneNode(true); |
276 | Position.absolutize(this.element); |
277 | this.element.parentNode.insertBefore(this._clone, this.element); |
278 | } |
279 | |
280 | if(this.options.scroll) { |
281 | if (this.options.scroll == window) { |
282 | var where = this._getWindowScroll(this.options.scroll); |
283 | this.originalScrollLeft = where.left; |
284 | this.originalScrollTop = where.top; |
285 | } else { |
286 | this.originalScrollLeft = this.options.scroll.scrollLeft; |
287 | this.originalScrollTop = this.options.scroll.scrollTop; |
288 | } |
289 | } |
290 | |
291 | Draggables.notify('onStart', this, event); |
292 | if(this.options.starteffect) this.options.starteffect(this.element); |
293 | }, |
294 | |
295 | updateDrag: function(event, pointer) { |
296 | if(!this.dragging) this.startDrag(event); |
297 | Position.prepare(); |
298 | Droppables.show(pointer, this.element); |
299 | Draggables.notify('onDrag', this, event); |
300 | this.draw(pointer); |
301 | if(this.options.change) this.options.change(this); |
302 | |
303 | if(this.options.scroll) { |
304 | this.stopScrolling(); |
305 | |
306 | var p; |
307 | if (this.options.scroll == window) { |
308 | with(this._getWindowScroll(this.options.scroll)) { p = [ left, top, left+width, top+height ]; } |
309 | } else { |
310 | p = Position.page(this.options.scroll); |
311 | p[0] += this.options.scroll.scrollLeft; |
312 | p[1] += this.options.scroll.scrollTop; |
313 | p.push(p[0]+this.options.scroll.offsetWidth); |
314 | p.push(p[1]+this.options.scroll.offsetHeight); |
315 | } |
316 | var speed = [0,0]; |
317 | if(pointer[0] < (p[0]+this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[0]+this.options.scrollSensitivity); |
318 | if(pointer[1] < (p[1]+this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[1]+this.options.scrollSensitivity); |
319 | if(pointer[0] > (p[2]-this.options.scrollSensitivity)) speed[0] = pointer[0]-(p[2]-this.options.scrollSensitivity); |
320 | if(pointer[1] > (p[3]-this.options.scrollSensitivity)) speed[1] = pointer[1]-(p[3]-this.options.scrollSensitivity); |
321 | this.startScrolling(speed); |
322 | } |
323 | |
324 | // fix AppleWebKit rendering |
325 | if(navigator.appVersion.indexOf('AppleWebKit')>0) window.scrollBy(0,0); |
326 | |
327 | Event.stop(event); |
328 | }, |
329 | |
330 | finishDrag: function(event, success) { |
331 | this.dragging = false; |
332 | |
333 | if(this.options.ghosting) { |
334 | Position.relativize(this.element); |
335 | Element.remove(this._clone); |
336 | this._clone = null; |
337 | } |
338 | |
339 | if(success) Droppables.fire(event, this.element); |
340 | Draggables.notify('onEnd', this, event); |
341 | |
342 | var revert = this.options.revert; |
343 | if(revert && typeof revert == 'function') revert = revert(this.element); |
344 | |
345 | var d = this.currentDelta(); |
346 | if(revert && this.options.reverteffect) { |
347 | this.options.reverteffect(this.element, |
348 | d[1]-this.delta[1], d[0]-this.delta[0]); |
349 | } else { |
350 | this.delta = d; |
351 | } |
352 | |
353 | if(this.options.zindex) |
354 | this.element.style.zIndex = this.originalZ; |
355 | |
356 | if(this.options.endeffect) |
357 | this.options.endeffect(this.element); |
358 | |
359 | Draggables.deactivate(this); |
360 | Droppables.reset(); |
361 | }, |
362 | |
363 | keyPress: function(event) { |
364 | if(event.keyCode!=Event.KEY_ESC) return; |
365 | this.finishDrag(event, false); |
366 | Event.stop(event); |
367 | }, |
368 | |
369 | endDrag: function(event) { |
370 | if(!this.dragging) return; |
371 | this.stopScrolling(); |
372 | this.finishDrag(event, true); |
373 | Event.stop(event); |
374 | }, |
375 | |
376 | draw: function(point) { |
377 | var pos = Position.cumulativeOffset(this.element); |
378 | var d = this.currentDelta(); |
379 | pos[0] -= d[0]; pos[1] -= d[1]; |
380 | |
381 | if(this.options.scroll && (this.options.scroll != window)) { |
382 | pos[0] -= this.options.scroll.scrollLeft-this.originalScrollLeft; |
383 | pos[1] -= this.options.scroll.scrollTop-this.originalScrollTop; |
384 | } |
385 | |
386 | var p = [0,1].map(function(i){ |
387 | return (point[i]-pos[i]-this.offset[i]) |
388 | }.bind(this)); |
389 | |
390 | if(this.options.snap) { |
391 | if(typeof this.options.snap == 'function') { |
392 | p = this.options.snap(p[0],p[1]); |
393 | } else { |
394 | if(this.options.snap instanceof Array) { |
395 | p = p.map( function(v, i) { |
396 | return Math.round(v/this.options.snap[i])*this.options.snap[i] }.bind(this)) |
397 | } else { |
398 | p = p.map( function(v) { |
399 | return Math.round(v/this.options.snap)*this.options.snap }.bind(this)) |
400 | } |
401 | }} |
402 | |
403 | var style = this.element.style; |
404 | if((!this.options.constraint) || (this.options.constraint=='horizontal')) |
405 | style.left = p[0] + "px"; |
406 | if((!this.options.constraint) || (this.options.constraint=='vertical')) |
407 | style.top = p[1] + "px"; |
408 | if(style.visibility=="hidden") style.visibility = ""; // fix gecko rendering |
409 | }, |
410 | |
411 | stopScrolling: function() { |
412 | if(this.scrollInterval) { |
413 | clearInterval(this.scrollInterval); |
414 | this.scrollInterval = null; |
415 | } |
416 | }, |
417 | |
418 | startScrolling: function(speed) { |
419 | this.scrollSpeed = [speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed]; |
420 | this.lastScrolled = new Date(); |
421 | this.scrollInterval = setInterval(this.scroll.bind(this), 10); |
422 | }, |
423 | |
424 | scroll: function() { |
425 | var current = new Date(); |
426 | var delta = current - this.lastScrolled; |
427 | this.lastScrolled = current; |
428 | if(this.options.scroll == window) { |
429 | with (this._getWindowScroll(this.options.scroll)) { |
430 | if (this.scrollSpeed[0] || this.scrollSpeed[1]) { |
431 | var d = delta / 1000; |
432 | this.options.scroll.scrollTo( left + d*this.scrollSpeed[0], top + d*this.scrollSpeed[1] ); |
433 | } |
434 | } |
435 | } else { |
436 | this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000; |
437 | this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000; |
438 | } |
439 | |
440 | Position.prepare(); |
441 | Droppables.show(Draggables._lastPointer, this.element); |
442 | Draggables.notify('onDrag', this); |
443 | this.draw(Draggables._lastPointer); |
444 | |
445 | if(this.options.change) this.options.change(this); |
446 | }, |
447 | |
448 | _getWindowScroll: function(w) { |
449 | var T, L, W, H; |
450 | with (w.document) { |
451 | if (w.document.documentElement && documentElement.scrollTop) { |
452 | T = documentElement.scrollTop; |
453 | L = documentElement.scrollLeft; |
454 | } else if (w.document.body) { |
455 | T = body.scrollTop; |
456 | L = body.scrollLeft; |
457 | } |
458 | if (w.innerWidth) { |
459 | W = w.innerWidth; |
460 | H = w.innerHeight; |
461 | } else if (w.document.documentElement && documentElement.clientWidth) { |
462 | W = documentElement.clientWidth; |
463 | H = documentElement.clientHeight; |
464 | } else { |
465 | W = body.offsetWidth; |
466 | H = body.offsetHeight |
467 | } |
468 | } |
469 | return { top: T, left: L, width: W, height: H }; |
470 | } |
471 | } |
472 | |
473 | /*--------------------------------------------------------------------------*/ |
474 | |
475 | var SortableObserver = Class.create(); |
476 | SortableObserver.prototype = { |
477 | initialize: function(element, observer) { |
478 | this.element = $(element); |
479 | this.observer = observer; |
480 | this.lastValue = Sortable.serialize(this.element); |
481 | }, |
482 | |
483 | onStart: function() { |
484 | this.lastValue = Sortable.serialize(this.element); |
485 | }, |
486 | |
487 | onEnd: function() { |
488 | Sortable.unmark(); |
489 | if(this.lastValue != Sortable.serialize(this.element)) |
490 | this.observer(this.element) |
491 | } |
492 | } |
493 | |
494 | var Sortable = { |
495 | sortables: new Array(), |
496 | |
497 | options: function(element){ |
498 | element = $(element); |
499 | return this.sortables.detect(function(s) { return s.element == element }); |
500 | }, |
501 | |
502 | destroy: function(element){ |
503 | element = $(element); |
504 | this.sortables.findAll(function(s) { return s.element == element }).each(function(s){ |
505 | Draggables.removeObserver(s.element); |
506 | s.droppables.each(function(d){ Droppables.remove(d) }); |
507 | s.draggables.invoke('destroy'); |
508 | }); |
509 | this.sortables = this.sortables.reject(function(s) { return s.element == element }); |
510 | }, |
511 | |
512 | create: function(element) { |
513 | element = $(element); |
514 | var options = Object.extend({ |
515 | element: element, |
516 | tag: 'li', // assumes li children, override with tag: 'tagname' |
517 | dropOnEmpty: false, |
518 | tree: false, // fixme: unimplemented |
519 | overlap: 'vertical', // one of 'vertical', 'horizontal' |
520 | constraint: 'vertical', // one of 'vertical', 'horizontal', false |
521 | containment: element, // also takes array of elements (or id's); or false |
522 | handle: false, // or a CSS class |
523 | only: false, |
524 | hoverclass: null, |
525 | ghosting: false, |
526 | scroll: false, |
527 | scrollSensitivity: 20, |
528 | scrollSpeed: 15, |
529 | format: /^[^_]*_(.*)$/, |
530 | onChange: Prototype.emptyFunction, |
531 | onUpdate: Prototype.emptyFunction |
532 | }, arguments[1] || {}); |
533 | |
534 | // clear any old sortable with same element |
535 | this.destroy(element); |
536 | |
537 | // build options for the draggables |
538 | var options_for_draggable = { |
539 | revert: true, |
540 | scroll: options.scroll, |
541 | scrollSpeed: options.scrollSpeed, |
542 | scrollSensitivity: options.scrollSensitivity, |
543 | ghosting: options.ghosting, |
544 | constraint: options.constraint, |
545 | handle: options.handle }; |
546 | |
547 | if(options.starteffect) |
548 | options_for_draggable.starteffect = options.starteffect; |
549 | |
550 | if(options.reverteffect) |
551 | options_for_draggable.reverteffect = options.reverteffect; |
552 | else |
553 | if(options.ghosting) options_for_draggable.reverteffect = function(element) { |
554 | element.style.top = 0; |
555 | element.style.left = 0; |
556 | }; |
557 | |
558 | if(options.endeffect) |
559 | options_for_draggable.endeffect = options.endeffect; |
560 | |
561 | if(options.zindex) |
562 | options_for_draggable.zindex = options.zindex; |
563 | |
564 | // build options for the droppables |
565 | var options_for_droppable = { |
566 | overlap: options.overlap, |
567 | containment: options.containment, |
568 | hoverclass: options.hoverclass, |
569 | onHover: Sortable.onHover, |
570 | greedy: !options.dropOnEmpty |
571 | } |
572 | |
573 | // fix for gecko engine |
574 | Element.cleanWhitespace(element); |
575 | |
576 | options.draggables = []; |
577 | options.droppables = []; |
578 | |
579 | // make it so |
580 | |
581 | // drop on empty handling |
582 | if(options.dropOnEmpty) { |
583 | Droppables.add(element, |
584 | {containment: options.containment, onHover: Sortable.onEmptyHover, greedy: false}); |
585 | options.droppables.push(element); |
586 | } |
587 | |
588 | (this.findElements(element, options) || []).each( function(e) { |
589 | // handles are per-draggable |
590 | var handle = options.handle ? |
591 | Element.childrenWithClassName(e, options.handle)[0] : e; |
592 | options.draggables.push( |
593 | new Draggable(e, Object.extend(options_for_draggable, { handle: handle }))); |
594 | Droppables.add(e, options_for_droppable); |
595 | options.droppables.push(e); |
596 | }); |
597 | |
598 | // keep reference |
599 | this.sortables.push(options); |
600 | |
601 | // for onupdate |
602 | Draggables.addObserver(new SortableObserver(element, options.onUpdate)); |
603 | |
604 | }, |
605 | |
606 | // return all suitable-for-sortable elements in a guaranteed order |
607 | findElements: function(element, options) { |
608 | if(!element.hasChildNodes()) return null; |
609 | var elements = []; |
610 | var only = options.only ? [options.only].flatten() : null; |
611 | $A(element.childNodes).each( function(e) { |
612 | if(e.tagName && e.tagName.toUpperCase()==options.tag.toUpperCase() && |
613 | (!only || (Element.classNames(e).detect(function(v) { return only.include(v) })))) |
614 | elements.push(e); |
615 | if(options.tree) { |
616 | var grandchildren = this.findElements(e, options); |
617 | if(grandchildren) elements.push(grandchildren); |
618 | } |
619 | }); |
620 | |
621 | return (elements.length>0 ? elements.flatten() : null); |
622 | }, |
623 | |
624 | onHover: function(element, dropon, overlap) { |
625 | if(overlap>0.5) { |
626 | Sortable.mark(dropon, 'before'); |
627 | if(dropon.previousSibling != element) { |
628 | var oldParentNode = element.parentNode; |
629 | element.style.visibility = "hidden"; // fix gecko rendering |
630 | dropon.parentNode.insertBefore(element, dropon); |
631 | if(dropon.parentNode!=oldParentNode) |
632 | Sortable.options(oldParentNode).onChange(element); |
633 | Sortable.options(dropon.parentNode).onChange(element); |
634 | } |
635 | } else { |
636 | Sortable.mark(dropon, 'after'); |
637 | var nextElement = dropon.nextSibling || null; |
638 | if(nextElement != element) { |
639 | var oldParentNode = element.parentNode; |
640 | element.style.visibility = "hidden"; // fix gecko rendering |
641 | dropon.parentNode.insertBefore(element, nextElement); |
642 | if(dropon.parentNode!=oldParentNode) |
643 | Sortable.options(oldParentNode).onChange(element); |
644 | Sortable.options(dropon.parentNode).onChange(element); |
645 | } |
646 | } |
647 | }, |
648 | |
649 | onEmptyHover: function(element, dropon) { |
650 | if(element.parentNode!=dropon) { |
651 | var oldParentNode = element.parentNode; |
652 | dropon.appendChild(element); |
653 | Sortable.options(oldParentNode).onChange(element); |
654 | Sortable.options(dropon).onChange(element); |
655 | } |
656 | }, |
657 | |
658 | unmark: function() { |
659 | if(Sortable._marker) Element.hide(Sortable._marker); |
660 | }, |
661 | |
662 | mark: function(dropon, position) { |
663 | // mark on ghosting only |
664 | var sortable = Sortable.options(dropon.parentNode); |
665 | if(sortable && !sortable.ghosting) return; |
666 | |
667 | if(!Sortable._marker) { |
668 | Sortable._marker = $('dropmarker') || document.createElement('DIV'); |
669 | Element.hide(Sortable._marker); |
670 | Element.addClassName(Sortable._marker, 'dropmarker'); |
671 | Sortable._marker.style.position = 'absolute'; |
672 | document.getElementsByTagName("body").item(0).appendChild(Sortable._marker); |
673 | } |
674 | var offsets = Position.cumulativeOffset(dropon); |
675 | Sortable._marker.style.left = offsets[0] + 'px'; |
676 | Sortable._marker.style.top = offsets[1] + 'px'; |
677 | |
678 | if(position=='after') |
679 | if(sortable.overlap == 'horizontal') |
680 | Sortable._marker.style.left = (offsets[0]+dropon.clientWidth) + 'px'; |
681 | else |
682 | Sortable._marker.style.top = (offsets[1]+dropon.clientHeight) + 'px'; |
683 | |
684 | Element.show(Sortable._marker); |
685 | }, |
686 | |
687 | sequence: function(element) { |
688 | element = $(element); |
689 | var options = Object.extend(this.options(element), arguments[1] || {}); |
690 | |
691 | return $(this.findElements(element, options) || []).map( function(item) { |
692 | return item.id.match(options.format) ? item.id.match(options.format)[1] : ''; |
693 | }); |
694 | }, |
695 | |
696 | setSequence: function(element, new_sequence) { |
697 | element = $(element); |
698 | var options = Object.extend(this.options(element), arguments[2] || {}); |
699 | |
700 | var nodeMap = {}; |
701 | this.findElements(element, options).each( function(n) { |
702 | if (n.id.match(options.format)) |
703 | nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode]; |
704 | n.parentNode.removeChild(n); |
705 | }); |
706 | |
707 | new_sequence.each(function(ident) { |
708 | var n = nodeMap[ident]; |
709 | if (n) { |
710 | n[1].appendChild(n[0]); |
711 | delete nodeMap[ident]; |
712 | } |
713 | }); |
714 | }, |
715 | |
716 | serialize: function(element) { |
717 | element = $(element); |
718 | var name = encodeURIComponent( |
719 | (arguments[1] && arguments[1].name) ? arguments[1].name : element.id); |
720 | return Sortable.sequence(element, arguments[1]).map( function(item) { |
721 | return name + "[]=" + encodeURIComponent(item); |
722 | }).join('&'); |
723 | } |
724 | } |