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source: public/vendors/nestable/jquery.nestable.js@ 233e950

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Last change on this file since 233e950 was 7304c7f, checked in by beratkjufliju <kufliju@…>, 3 years ago
added user authentication, create & forgot password methods and blades
Property mode set to `100644`
File size: 17.2 KB

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1	/*!
2	* Nestable jQuery Plugin - Copyright (c) 2012 David Bushell - http://dbushell.com/
3	* Dual-licensed under the BSD or MIT licenses
4	*/
5	;(function($, window, document, undefined)
6	{
7	var hasTouch = 'ontouchstart' in document;
8
9	/**
10	* Detect CSS pointer-events property
11	* events are normally disabled on the dragging element to avoid conflicts
12	* https://github.com/ausi/Feature-detection-technique-for-pointer-events/blob/master/modernizr-pointerevents.js
13	*/
14	var hasPointerEvents = (function()
15	{
16	var el = document.createElement('div'),
17	docEl = document.documentElement;
18	if (!('pointerEvents' in el.style)) {
19	return false;
20	}
21	el.style.pointerEvents = 'auto';
22	el.style.pointerEvents = 'x';
23	docEl.appendChild(el);
24	var supports = window.getComputedStyle && window.getComputedStyle(el, '').pointerEvents === 'auto';
25	docEl.removeChild(el);
26	return !!supports;
27	})();
28
29	var defaults = {
30	listNodeName : 'ol',
31	itemNodeName : 'li',
32	rootClass : 'dd',
33	listClass : 'dd-list',
34	itemClass : 'dd-item',
35	dragClass : 'dd-dragel',
36	handleClass : 'dd-handle',
37	collapsedClass : 'dd-collapsed',
38	placeClass : 'dd-placeholder',
39	noDragClass : 'dd-nodrag',
40	emptyClass : 'dd-empty',
41	expandBtnHTML : '<button data-action="expand" type="button">Expand</button>',
42	collapseBtnHTML : '<button data-action="collapse" type="button">Collapse</button>',
43	group : 0,
44	maxDepth : 5,
45	threshold : 20
46	};
47
48	function Plugin(element, options)
49	{
50	this.w = $(document);
51	this.el = $(element);
52	this.options = $.extend({}, defaults, options);
53	this.init();
54	}
55
56	Plugin.prototype = {
57
58	init: function()
59	{
60	var list = this;
61
62	list.reset();
63
64	list.el.data('nestable-group', this.options.group);
65
66	list.placeEl = $('<div class="' + list.options.placeClass + '"/>');
67
68	$.each(this.el.find(list.options.itemNodeName), function(k, el) {
69	list.setParent($(el));
70	});
71
72	list.el.on('click', 'button', function(e) {
73	if (list.dragEl) {
74	return;
75	}
76	var target = $(e.currentTarget),
77	action = target.data('action'),
78	item = target.parent(list.options.itemNodeName);
79	if (action === 'collapse') {
80	list.collapseItem(item);
81	}
82	if (action === 'expand') {
83	list.expandItem(item);
84	}
85	});
86
87	var onStartEvent = function(e)
88	{
89	var handle = $(e.target);
90	if (!handle.hasClass(list.options.handleClass)) {
91	if (handle.closest('.' + list.options.noDragClass).length) {
92	return;
93	}
94	handle = handle.closest('.' + list.options.handleClass);
95	}
96
97	if (!handle.length \|\| list.dragEl) {
98	return;
99	}
100
101	list.isTouch = /^touch/.test(e.type);
102	if (list.isTouch && e.touches.length !== 1) {
103	return;
104	}
105
106	e.preventDefault();
107	list.dragStart(e.touches ? e.touches[0] : e);
108	};
109
110	var onMoveEvent = function(e)
111	{
112	if (list.dragEl) {
113	e.preventDefault();
114	list.dragMove(e.touches ? e.touches[0] : e);
115	}
116	};
117
118	var onEndEvent = function(e)
119	{
120	if (list.dragEl) {
121	e.preventDefault();
122	list.dragStop(e.touches ? e.touches[0] : e);
123	}
124	};
125
126	if (hasTouch) {
127	list.el[0].addEventListener('touchstart', onStartEvent, false);
128	window.addEventListener('touchmove', onMoveEvent, false);
129	window.addEventListener('touchend', onEndEvent, false);
130	window.addEventListener('touchcancel', onEndEvent, false);
131	}
132
133	list.el.on('mousedown', onStartEvent);
134	list.w.on('mousemove', onMoveEvent);
135	list.w.on('mouseup', onEndEvent);
136
137	},
138
139	serialize: function()
140	{
141	var data,
142	depth = 0,
143	list = this;
144	step = function(level, depth)
145	{
146	var array = [ ],
147	items = level.children(list.options.itemNodeName);
148	items.each(function()
149	{
150	var li = $(this),
151	item = $.extend({}, li.data()),
152	sub = li.children(list.options.listNodeName);
153	if (sub.length) {
154	item.children = step(sub, depth + 1);
155	}
156	array.push(item);
157	});
158	return array;
159	};
160	data = step(list.el.find(list.options.listNodeName).first(), depth);
161	return data;
162	},
163
164	serialise: function()
165	{
166	return this.serialize();
167	},
168
169	reset: function()
170	{
171	this.mouse = {
172	offsetX : 0,
173	offsetY : 0,
174	startX : 0,
175	startY : 0,
176	lastX : 0,
177	lastY : 0,
178	nowX : 0,
179	nowY : 0,
180	distX : 0,
181	distY : 0,
182	dirAx : 0,
183	dirX : 0,
184	dirY : 0,
185	lastDirX : 0,
186	lastDirY : 0,
187	distAxX : 0,
188	distAxY : 0
189	};
190	this.isTouch = false;
191	this.moving = false;
192	this.dragEl = null;
193	this.dragRootEl = null;
194	this.dragDepth = 0;
195	this.hasNewRoot = false;
196	this.pointEl = null;
197	},
198
199	expandItem: function(li)
200	{
201	li.removeClass(this.options.collapsedClass);
202	li.children('[data-action="expand"]').hide();
203	li.children('[data-action="collapse"]').show();
204	li.children(this.options.listNodeName).show();
205	},
206
207	collapseItem: function(li)
208	{
209	var lists = li.children(this.options.listNodeName);
210	if (lists.length) {
211	li.addClass(this.options.collapsedClass);
212	li.children('[data-action="collapse"]').hide();
213	li.children('[data-action="expand"]').show();
214	li.children(this.options.listNodeName).hide();
215	}
216	},
217
218	expandAll: function()
219	{
220	var list = this;
221	list.el.find(list.options.itemNodeName).each(function() {
222	list.expandItem($(this));
223	});
224	},
225
226	collapseAll: function()
227	{
228	var list = this;
229	list.el.find(list.options.itemNodeName).each(function() {
230	list.collapseItem($(this));
231	});
232	},
233
234	setParent: function(li)
235	{
236	if (li.children(this.options.listNodeName).length) {
237	li.prepend($(this.options.expandBtnHTML));
238	li.prepend($(this.options.collapseBtnHTML));
239	}
240	li.children('[data-action="expand"]').hide();
241	},
242
243	unsetParent: function(li)
244	{
245	li.removeClass(this.options.collapsedClass);
246	li.children('[data-action]').remove();
247	li.children(this.options.listNodeName).remove();
248	},
249
250	dragStart: function(e)
251	{
252	var mouse = this.mouse,
253	target = $(e.target),
254	dragItem = target.closest(this.options.itemNodeName);
255
256	this.placeEl.css('height', dragItem.height());
257
258	mouse.offsetX = e.offsetX !== undefined ? e.offsetX : e.pageX - target.offset().left;
259	mouse.offsetY = e.offsetY !== undefined ? e.offsetY : e.pageY - target.offset().top;
260	mouse.startX = mouse.lastX = e.pageX;
261	mouse.startY = mouse.lastY = e.pageY;
262
263	this.dragRootEl = this.el;
264
265	this.dragEl = $(document.createElement(this.options.listNodeName)).addClass(this.options.listClass + ' ' + this.options.dragClass);
266	this.dragEl.css('width', dragItem.width());
267
268	dragItem.after(this.placeEl);
269	dragItem[0].parentNode.removeChild(dragItem[0]);
270	dragItem.appendTo(this.dragEl);
271
272	$(document.body).append(this.dragEl);
273	this.dragEl.css({
274	'left' : e.pageX - mouse.offsetX,
275	'top' : e.pageY - mouse.offsetY
276	});
277	// total depth of dragging item
278	var i, depth,
279	items = this.dragEl.find(this.options.itemNodeName);
280	for (i = 0; i < items.length; i++) {
281	depth = $(items[i]).parents(this.options.listNodeName).length;
282	if (depth > this.dragDepth) {
283	this.dragDepth = depth;
284	}
285	}
286	},
287
288	dragStop: function(e)
289	{
290	var el = this.dragEl.children(this.options.itemNodeName).first();
291	el[0].parentNode.removeChild(el[0]);
292	this.placeEl.replaceWith(el);
293
294	this.dragEl.remove();
295	this.el.trigger('change');
296	if (this.hasNewRoot) {
297	this.dragRootEl.trigger('change');
298	}
299	this.reset();
300	},
301
302	dragMove: function(e)
303	{
304	var list, parent, prev, next, depth,
305	opt = this.options,
306	mouse = this.mouse;
307
308	this.dragEl.css({
309	'left' : e.pageX - mouse.offsetX,
310	'top' : e.pageY - mouse.offsetY
311	});
312
313	// mouse position last events
314	mouse.lastX = mouse.nowX;
315	mouse.lastY = mouse.nowY;
316	// mouse position this events
317	mouse.nowX = e.pageX;
318	mouse.nowY = e.pageY;
319	// distance mouse moved between events
320	mouse.distX = mouse.nowX - mouse.lastX;
321	mouse.distY = mouse.nowY - mouse.lastY;
322	// direction mouse was moving
323	mouse.lastDirX = mouse.dirX;
324	mouse.lastDirY = mouse.dirY;
325	// direction mouse is now moving (on both axis)
326	mouse.dirX = mouse.distX === 0 ? 0 : mouse.distX > 0 ? 1 : -1;
327	mouse.dirY = mouse.distY === 0 ? 0 : mouse.distY > 0 ? 1 : -1;
328	// axis mouse is now moving on
329	var newAx = Math.abs(mouse.distX) > Math.abs(mouse.distY) ? 1 : 0;
330
331	// do nothing on first move
332	if (!mouse.moving) {
333	mouse.dirAx = newAx;
334	mouse.moving = true;
335	return;
336	}
337
338	// calc distance moved on this axis (and direction)
339	if (mouse.dirAx !== newAx) {
340	mouse.distAxX = 0;
341	mouse.distAxY = 0;
342	} else {
343	mouse.distAxX += Math.abs(mouse.distX);
344	if (mouse.dirX !== 0 && mouse.dirX !== mouse.lastDirX) {
345	mouse.distAxX = 0;
346	}
347	mouse.distAxY += Math.abs(mouse.distY);
348	if (mouse.dirY !== 0 && mouse.dirY !== mouse.lastDirY) {
349	mouse.distAxY = 0;
350	}
351	}
352	mouse.dirAx = newAx;
353
354	/**
355	* move horizontal
356	*/
357	if (mouse.dirAx && mouse.distAxX >= opt.threshold) {
358	// reset move distance on x-axis for new phase
359	mouse.distAxX = 0;
360	prev = this.placeEl.prev(opt.itemNodeName);
361	// increase horizontal level if previous sibling exists and is not collapsed
362	if (mouse.distX > 0 && prev.length && !prev.hasClass(opt.collapsedClass)) {
363	// cannot increase level when item above is collapsed
364	list = prev.find(opt.listNodeName).last();
365	// check if depth limit has reached
366	depth = this.placeEl.parents(opt.listNodeName).length;
367	if (depth + this.dragDepth <= opt.maxDepth) {
368	// create new sub-level if one doesn't exist
369	if (!list.length) {
370	list = $('<' + opt.listNodeName + '/>').addClass(opt.listClass);
371	list.append(this.placeEl);
372	prev.append(list);
373	this.setParent(prev);
374	} else {
375	// else append to next level up
376	list = prev.children(opt.listNodeName).last();
377	list.append(this.placeEl);
378	}
379	}
380	}
381	// decrease horizontal level
382	if (mouse.distX < 0) {
383	// we can't decrease a level if an item preceeds the current one
384	next = this.placeEl.next(opt.itemNodeName);
385	if (!next.length) {
386	parent = this.placeEl.parent();
387	this.placeEl.closest(opt.itemNodeName).after(this.placeEl);
388	if (!parent.children().length) {
389	this.unsetParent(parent.parent());
390	}
391	}
392	}
393	}
394
395	var isEmpty = false;
396
397	// find list item under cursor
398	if (!hasPointerEvents) {
399	this.dragEl[0].style.visibility = 'hidden';
400	}
401	this.pointEl = $(document.elementFromPoint(e.pageX - document.body.scrollLeft, e.pageY - (window.pageYOffset \|\| document.documentElement.scrollTop)));
402	if (!hasPointerEvents) {
403	this.dragEl[0].style.visibility = 'visible';
404	}
405	if (this.pointEl.hasClass(opt.handleClass)) {
406	this.pointEl = this.pointEl.parent(opt.itemNodeName);
407	}
408	if (this.pointEl.hasClass(opt.emptyClass)) {
409	isEmpty = true;
410	}
411	else if (!this.pointEl.length \|\| !this.pointEl.hasClass(opt.itemClass)) {
412	return;
413	}
414
415	// find parent list of item under cursor
416	var pointElRoot = this.pointEl.closest('.' + opt.rootClass),
417	isNewRoot = this.dragRootEl.data('nestable-id') !== pointElRoot.data('nestable-id');
418
419	/**
420	* move vertical
421	*/
422	if (!mouse.dirAx \|\| isNewRoot \|\| isEmpty) {
423	// check if groups match if dragging over new root
424	if (isNewRoot && opt.group !== pointElRoot.data('nestable-group')) {
425	return;
426	}
427	// check depth limit
428	depth = this.dragDepth - 1 + this.pointEl.parents(opt.listNodeName).length;
429	if (depth > opt.maxDepth) {
430	return;
431	}
432	var before = e.pageY < (this.pointEl.offset().top + this.pointEl.height() / 2);
433	parent = this.placeEl.parent();
434	// if empty create new list to replace empty placeholder
435	if (isEmpty) {
436	list = $(document.createElement(opt.listNodeName)).addClass(opt.listClass);
437	list.append(this.placeEl);
438	this.pointEl.replaceWith(list);
439	}
440	else if (before) {
441	this.pointEl.before(this.placeEl);
442	}
443	else {
444	this.pointEl.after(this.placeEl);
445	}
446	if (!parent.children().length) {
447	this.unsetParent(parent.parent());
448	}
449	if (!this.dragRootEl.find(opt.itemNodeName).length) {
450	this.dragRootEl.append('<div class="' + opt.emptyClass + '"/>');
451	}
452	// parent root list has changed
453	if (isNewRoot) {
454	this.dragRootEl = pointElRoot;
455	this.hasNewRoot = this.el[0] !== this.dragRootEl[0];
456	}
457	}
458	}
459
460	};
461
462	$.fn.nestable = function(params)
463	{
464	var lists = this,
465	retval = this;
466
467	lists.each(function()
468	{
469	var plugin = $(this).data("nestable");
470
471	if (!plugin) {
472	$(this).data("nestable", new Plugin(this, params));
473	$(this).data("nestable-id", new Date().getTime());
474	} else {
475	if (typeof params === 'string' && typeof plugin[params] === 'function') {
476	retval = plugin[params]();
477	}
478	}
479	});
480
481	return retval \|\| lists;
482	};
483
484	})(window.jQuery \|\| window.Zepto, window, document);

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