745 lines
28 KiB
JavaScript
745 lines
28 KiB
JavaScript
/*
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* jQuery UI Sortable
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*
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* Copyright (c) 2008 Paul Bakaus
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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* http://docs.jquery.com/UI/Sortables
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*
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* Depends:
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* ui.core.js
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*/
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(function($) {
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function contains(a, b) {
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var safari2 = $.browser.safari && $.browser.version < 522;
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if (a.contains && !safari2) {
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return a.contains(b);
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}
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if (a.compareDocumentPosition)
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return !!(a.compareDocumentPosition(b) & 16);
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while (b = b.parentNode)
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if (b == a) return true;
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return false;
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};
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$.widget("ui.sortable", $.extend({}, $.ui.mouse, {
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init: function() {
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var o = this.options;
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this.containerCache = {};
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this.element.addClass("ui-sortable");
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//Get the items
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this.refresh();
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//Let's determine if the items are floating
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this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false;
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//Let's determine the parent's offset
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if(!(/(relative|absolute|fixed)/).test(this.element.css('position'))) this.element.css('position', 'relative');
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this.offset = this.element.offset();
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//Initialize mouse events for interaction
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this.mouseInit();
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},
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plugins: {},
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ui: function(inst) {
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return {
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helper: (inst || this)["helper"],
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placeholder: (inst || this)["placeholder"] || $([]),
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position: (inst || this)["position"],
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absolutePosition: (inst || this)["positionAbs"],
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options: this.options,
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element: this.element,
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item: (inst || this)["currentItem"],
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sender: inst ? inst.element : null
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};
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},
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propagate: function(n,e,inst, noPropagation) {
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$.ui.plugin.call(this, n, [e, this.ui(inst)]);
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if(!noPropagation) this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]);
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},
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serialize: function(o) {
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var items = ($.isFunction(this.options.items) ? this.options.items.call(this.element) : $(this.options.items, this.element)).not('.ui-sortable-helper'); //Only the items of the sortable itself
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var str = []; o = o || {};
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items.each(function() {
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var res = ($(this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/));
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if(res) str.push((o.key || res[1])+'[]='+(o.key && o.expression ? res[1] : res[2]));
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});
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return str.join('&');
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},
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toArray: function(attr) {
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var items = ($.isFunction(this.options.items) ? this.options.items.call(this.element) : $(this.options.items, this.element)).not('.ui-sortable-helper'); //Only the items of the sortable itself
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var ret = [];
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items.each(function() { ret.push($(this).attr(attr || 'id')); });
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return ret;
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},
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/* Be careful with the following core functions */
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intersectsWith: function(item) {
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var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width,
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y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height;
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var l = item.left, r = l + item.width,
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t = item.top, b = t + item.height;
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if(this.options.tolerance == "pointer" || this.options.forcePointerForContainers || (this.options.tolerance == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) {
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return (y1 + this.offset.click.top > t && y1 + this.offset.click.top < b && x1 + this.offset.click.left > l && x1 + this.offset.click.left < r);
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} else {
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return (l < x1 + (this.helperProportions.width / 2) // Right Half
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&& x2 - (this.helperProportions.width / 2) < r // Left Half
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&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
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&& y2 - (this.helperProportions.height / 2) < b ); // Top Half
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}
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},
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intersectsWithEdge: function(item) {
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var x1 = this.positionAbs.left, x2 = x1 + this.helperProportions.width,
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y1 = this.positionAbs.top, y2 = y1 + this.helperProportions.height;
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var l = item.left, r = l + item.width,
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t = item.top, b = t + item.height;
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if(this.options.toleranceMove == "pointer" || (this.options.toleranceMove == "guess" && this.helperProportions[this.floating ? 'width' : 'height'] > item[this.floating ? 'width' : 'height'])) {
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if(!(y1 + this.offset.click.top > t && y1 + this.offset.click.top < b && x1 + this.offset.click.left > l && x1 + this.offset.click.left < r)) return false;
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if(this.floating) {
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if(x1 + this.offset.click.left > l && x1 + this.offset.click.left < l + item.width/2) return 2;
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if(x1 + this.offset.click.left > l+item.width/2 && x1 + this.offset.click.left < r) return 1;
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} else {
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if(y1 + this.offset.click.top > t && y1 + this.offset.click.top < t + item.height/2) return 2;
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if(y1 + this.offset.click.top > t+item.height/2 && y1 + this.offset.click.top < b) return 1;
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}
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} else {
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if (!(l < x1 + (this.helperProportions.width / 2) // Right Half
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&& x2 - (this.helperProportions.width / 2) < r // Left Half
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&& t < y1 + (this.helperProportions.height / 2) // Bottom Half
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&& y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half
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if(this.floating) {
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if(x2 > l && x1 < l) return 2; //Crosses left edge
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if(x1 < r && x2 > r) return 1; //Crosses right edge
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} else {
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if(y2 > t && y1 < t) return 1; //Crosses top edge
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if(y1 < b && y2 > b) return 2; //Crosses bottom edge
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}
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}
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return false;
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},
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refresh: function() {
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this.refreshItems();
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this.refreshPositions();
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},
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refreshItems: function() {
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this.items = [];
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this.containers = [this];
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var items = this.items;
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var self = this;
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var queries = [[$.isFunction(this.options.items) ? this.options.items.call(this.element, null, { options: this.options, item: this.currentItem }) : $(this.options.items, this.element), this]];
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if(this.options.connectWith) {
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for (var i = this.options.connectWith.length - 1; i >= 0; i--){
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var cur = $(this.options.connectWith[i]);
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for (var j = cur.length - 1; j >= 0; j--){
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var inst = $.data(cur[j], 'sortable');
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if(inst && !inst.options.disabled) {
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queries.push([$.isFunction(inst.options.items) ? inst.options.items.call(inst.element) : $(inst.options.items, inst.element), inst]);
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this.containers.push(inst);
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}
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};
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};
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}
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for (var i = queries.length - 1; i >= 0; i--){
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queries[i][0].each(function() {
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$.data(this, 'sortable-item', queries[i][1]); // Data for target checking (mouse manager)
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items.push({
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item: $(this),
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instance: queries[i][1],
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width: 0, height: 0,
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left: 0, top: 0
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});
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});
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};
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},
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refreshPositions: function(fast) {
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//This has to be redone because due to the item being moved out/into the offsetParent, the offsetParent's position will change
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if(this.offsetParent) {
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var po = this.offsetParent.offset();
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this.offset.parent = { top: po.top + this.offsetParentBorders.top, left: po.left + this.offsetParentBorders.left };
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}
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for (var i = this.items.length - 1; i >= 0; i--){
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//We ignore calculating positions of all connected containers when we're not over them
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if(this.items[i].instance != this.currentContainer && this.currentContainer && this.items[i].item[0] != this.currentItem[0])
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continue;
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var t = this.options.toleranceElement ? $(this.options.toleranceElement, this.items[i].item) : this.items[i].item;
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if(!fast) {
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this.items[i].width = t[0].offsetWidth;
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this.items[i].height = t[0].offsetHeight;
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}
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var p = t.offset();
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this.items[i].left = p.left;
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this.items[i].top = p.top;
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};
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if(this.options.custom && this.options.custom.refreshContainers) {
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this.options.custom.refreshContainers.call(this);
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} else {
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for (var i = this.containers.length - 1; i >= 0; i--){
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var p =this.containers[i].element.offset();
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this.containers[i].containerCache.left = p.left;
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this.containers[i].containerCache.top = p.top;
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this.containers[i].containerCache.width = this.containers[i].element.outerWidth();
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this.containers[i].containerCache.height = this.containers[i].element.outerHeight();
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};
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}
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},
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destroy: function() {
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this.element
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.removeClass("ui-sortable ui-sortable-disabled")
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.removeData("sortable")
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.unbind(".sortable");
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this.mouseDestroy();
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for ( var i = this.items.length - 1; i >= 0; i-- )
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this.items[i].item.removeData("sortable-item");
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},
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createPlaceholder: function(that) {
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var self = that || this, o = self.options;
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if(o.placeholder.constructor == String) {
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var className = o.placeholder;
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o.placeholder = {
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element: function() {
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return $('<div></div>').addClass(className)[0];
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},
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update: function(i, p) {
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p.css(i.offset()).css({ width: i.outerWidth(), height: i.outerHeight() });
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}
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};
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}
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self.placeholder = $(o.placeholder.element.call(self.element, self.currentItem)).appendTo('body').css({ position: 'absolute' });
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o.placeholder.update.call(self.element, self.currentItem, self.placeholder);
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},
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contactContainers: function(e) {
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for (var i = this.containers.length - 1; i >= 0; i--){
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if(this.intersectsWith(this.containers[i].containerCache)) {
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if(!this.containers[i].containerCache.over) {
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if(this.currentContainer != this.containers[i]) {
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//When entering a new container, we will find the item with the least distance and append our item near it
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var dist = 10000; var itemWithLeastDistance = null; var base = this.positionAbs[this.containers[i].floating ? 'left' : 'top'];
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for (var j = this.items.length - 1; j >= 0; j--) {
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if(!contains(this.containers[i].element[0], this.items[j].item[0])) continue;
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var cur = this.items[j][this.containers[i].floating ? 'left' : 'top'];
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if(Math.abs(cur - base) < dist) {
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dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j];
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}
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}
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if(!itemWithLeastDistance && !this.options.dropOnEmpty) //Check if dropOnEmpty is enabled
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continue;
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//We also need to exchange the placeholder
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if(this.placeholder) this.placeholder.remove();
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if(this.containers[i].options.placeholder) {
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this.containers[i].createPlaceholder(this);
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} else {
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this.placeholder = null;;
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}
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this.currentContainer = this.containers[i];
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itemWithLeastDistance ? this.rearrange(e, itemWithLeastDistance, null, true) : this.rearrange(e, null, this.containers[i].element, true);
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this.propagate("change", e); //Call plugins and callbacks
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this.containers[i].propagate("change", e, this); //Call plugins and callbacks
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}
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this.containers[i].propagate("over", e, this);
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this.containers[i].containerCache.over = 1;
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}
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} else {
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if(this.containers[i].containerCache.over) {
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this.containers[i].propagate("out", e, this);
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this.containers[i].containerCache.over = 0;
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}
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}
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};
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},
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mouseCapture: function(e, overrideHandle) {
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if(this.options.disabled || this.options.type == 'static') return false;
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//We have to refresh the items data once first
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this.refreshItems();
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//Find out if the clicked node (or one of its parents) is a actual item in this.items
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var currentItem = null, self = this, nodes = $(e.target).parents().each(function() {
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if($.data(this, 'sortable-item') == self) {
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currentItem = $(this);
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return false;
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}
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});
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if($.data(e.target, 'sortable-item') == self) currentItem = $(e.target);
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if(!currentItem) return false;
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if(this.options.handle && !overrideHandle) {
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var validHandle = false;
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$(this.options.handle, currentItem).find("*").andSelf().each(function() { if(this == e.target) validHandle = true; });
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if(!validHandle) return false;
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}
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this.currentItem = currentItem;
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return true;
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},
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mouseStart: function(e, overrideHandle, noActivation) {
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var o = this.options;
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this.currentContainer = this;
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//We only need to call refreshPositions, because the refreshItems call has been moved to mouseCapture
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this.refreshPositions();
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//Create and append the visible helper
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this.helper = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e, this.currentItem])) : this.currentItem.clone();
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if (!this.helper.parents('body').length) $(o.appendTo != 'parent' ? o.appendTo : this.currentItem[0].parentNode)[0].appendChild(this.helper[0]); //Add the helper to the DOM if that didn't happen already
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this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortable-helper'); //Position it absolutely and add a helper class
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/*
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* - Position generation -
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* This block generates everything position related - it's the core of draggables.
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*/
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this.margins = { //Cache the margins
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left: (parseInt(this.currentItem.css("marginLeft"),10) || 0),
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top: (parseInt(this.currentItem.css("marginTop"),10) || 0)
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};
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this.offset = this.currentItem.offset(); //The element's absolute position on the page
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this.offset = { //Substract the margins from the element's absolute offset
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top: this.offset.top - this.margins.top,
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left: this.offset.left - this.margins.left
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};
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this.offset.click = { //Where the click happened, relative to the element
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left: e.pageX - this.offset.left,
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top: e.pageY - this.offset.top
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};
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this.offsetParent = this.helper.offsetParent(); //Get the offsetParent and cache its position
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var po = this.offsetParent.offset();
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this.offsetParentBorders = {
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top: (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0),
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left: (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0)
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};
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this.offset.parent = { //Store its position plus border
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top: po.top + this.offsetParentBorders.top,
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left: po.left + this.offsetParentBorders.left
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};
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this.originalPosition = this.generatePosition(e); //Generate the original position
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this.domPosition = { prev: this.currentItem.prev()[0], parent: this.currentItem.parent()[0] }; //Cache the former DOM position
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//If o.placeholder is used, create a new element at the given position with the class
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this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Cache the helper size
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if(o.placeholder) this.createPlaceholder();
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//Call plugins and callbacks
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this.propagate("start", e);
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this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() };//Recache the helper size
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if(o.cursorAt) {
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if(o.cursorAt.left != undefined) this.offset.click.left = o.cursorAt.left;
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if(o.cursorAt.right != undefined) this.offset.click.left = this.helperProportions.width - o.cursorAt.right;
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if(o.cursorAt.top != undefined) this.offset.click.top = o.cursorAt.top;
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if(o.cursorAt.bottom != undefined) this.offset.click.top = this.helperProportions.height - o.cursorAt.bottom;
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}
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/*
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* - Position constraining -
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* Here we prepare position constraining like grid and containment.
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*/
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if(o.containment) {
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if(o.containment == 'parent') o.containment = this.helper[0].parentNode;
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if(o.containment == 'document' || o.containment == 'window') this.containment = [
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0 - this.offset.parent.left,
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0 - this.offset.parent.top,
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$(o.containment == 'document' ? document : window).width() - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.element.css("marginRight"),10) || 0),
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($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.element.css("marginBottom"),10) || 0)
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];
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if(!(/^(document|window|parent)$/).test(o.containment)) {
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var ce = $(o.containment)[0];
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var co = $(o.containment).offset();
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this.containment = [
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co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left,
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co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top,
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co.left+Math.max(ce.scrollWidth,ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - this.offset.parent.left - this.helperProportions.width - this.margins.left - (parseInt(this.currentItem.css("marginRight"),10) || 0),
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co.top+Math.max(ce.scrollHeight,ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - this.offset.parent.top - this.helperProportions.height - this.margins.top - (parseInt(this.currentItem.css("marginBottom"),10) || 0)
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];
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}
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}
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//Set the original element visibility to hidden to still fill out the white space
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if(this.options.placeholder != 'clone')
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this.currentItem.css('visibility', 'hidden');
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//Post 'activate' events to possible containers
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if(!noActivation) {
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for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i].propagate("activate", e, this); }
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}
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//Prepare possible droppables
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if($.ui.ddmanager) $.ui.ddmanager.current = this;
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if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e);
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this.dragging = true;
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|
this.mouseDrag(e); //Execute the drag once - this causes the helper not to be visible before getting its correct position
|
|
return true;
|
|
|
|
|
|
},
|
|
convertPositionTo: function(d, pos) {
|
|
if(!pos) pos = this.position;
|
|
var mod = d == "absolute" ? 1 : -1;
|
|
return {
|
|
top: (
|
|
pos.top // the calculated relative position
|
|
+ this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border)
|
|
- (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) * mod // The offsetParent's scroll position
|
|
+ this.margins.top * mod //Add the margin (you don't want the margin counting in intersection methods)
|
|
),
|
|
left: (
|
|
pos.left // the calculated relative position
|
|
+ this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border)
|
|
- (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft) * mod // The offsetParent's scroll position
|
|
+ this.margins.left * mod //Add the margin (you don't want the margin counting in intersection methods)
|
|
)
|
|
};
|
|
},
|
|
generatePosition: function(e) {
|
|
|
|
var o = this.options;
|
|
var position = {
|
|
top: (
|
|
e.pageY // The absolute mouse position
|
|
- this.offset.click.top // Click offset (relative to the element)
|
|
- this.offset.parent.top // The offsetParent's offset without borders (offset + border)
|
|
+ (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop) // The offsetParent's scroll position, not if the element is fixed
|
|
),
|
|
left: (
|
|
e.pageX // The absolute mouse position
|
|
- this.offset.click.left // Click offset (relative to the element)
|
|
- this.offset.parent.left // The offsetParent's offset without borders (offset + border)
|
|
+ (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft) // The offsetParent's scroll position, not if the element is fixed
|
|
)
|
|
};
|
|
|
|
if(!this.originalPosition) return position; //If we are not dragging yet, we won't check for options
|
|
|
|
/*
|
|
* - Position constraining -
|
|
* Constrain the position to a mix of grid, containment.
|
|
*/
|
|
if(this.containment) {
|
|
if(position.left < this.containment[0]) position.left = this.containment[0];
|
|
if(position.top < this.containment[1]) position.top = this.containment[1];
|
|
if(position.left > this.containment[2]) position.left = this.containment[2];
|
|
if(position.top > this.containment[3]) position.top = this.containment[3];
|
|
}
|
|
|
|
if(o.grid) {
|
|
var top = this.originalPosition.top + Math.round((position.top - this.originalPosition.top) / o.grid[1]) * o.grid[1];
|
|
position.top = this.containment ? (!(top < this.containment[1] || top > this.containment[3]) ? top : (!(top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top;
|
|
|
|
var left = this.originalPosition.left + Math.round((position.left - this.originalPosition.left) / o.grid[0]) * o.grid[0];
|
|
position.left = this.containment ? (!(left < this.containment[0] || left > this.containment[2]) ? left : (!(left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left;
|
|
}
|
|
|
|
return position;
|
|
},
|
|
mouseDrag: function(e) {
|
|
|
|
//Compute the helpers position
|
|
this.position = this.generatePosition(e);
|
|
this.positionAbs = this.convertPositionTo("absolute");
|
|
|
|
//Call the internal plugins
|
|
$.ui.plugin.call(this, "sort", [e, this.ui()]);
|
|
|
|
//Regenerate the absolute position used for position checks
|
|
this.positionAbs = this.convertPositionTo("absolute");
|
|
|
|
//Set the helper's position
|
|
this.helper[0].style.left = this.position.left+'px';
|
|
this.helper[0].style.top = this.position.top+'px';
|
|
|
|
//Rearrange
|
|
for (var i = this.items.length - 1; i >= 0; i--) {
|
|
var intersection = this.intersectsWithEdge(this.items[i]);
|
|
if(!intersection) continue;
|
|
|
|
if(this.items[i].item[0] != this.currentItem[0] //cannot intersect with itself
|
|
&& this.currentItem[intersection == 1 ? "next" : "prev"]()[0] != this.items[i].item[0] //no useless actions that have been done before
|
|
&& !contains(this.currentItem[0], this.items[i].item[0]) //no action if the item moved is the parent of the item checked
|
|
&& (this.options.type == 'semi-dynamic' ? !contains(this.element[0], this.items[i].item[0]) : true)
|
|
) {
|
|
|
|
this.direction = intersection == 1 ? "down" : "up";
|
|
this.rearrange(e, this.items[i]);
|
|
this.propagate("change", e); //Call plugins and callbacks
|
|
break;
|
|
}
|
|
}
|
|
|
|
//Post events to containers
|
|
this.contactContainers(e);
|
|
|
|
//Interconnect with droppables
|
|
if($.ui.ddmanager) $.ui.ddmanager.drag(this, e);
|
|
|
|
//Call callbacks
|
|
this.element.triggerHandler("sort", [e, this.ui()], this.options["sort"]);
|
|
|
|
return false;
|
|
|
|
},
|
|
rearrange: function(e, i, a, hardRefresh) {
|
|
a ? a[0].appendChild(this.currentItem[0]) : i.item[0].parentNode.insertBefore(this.currentItem[0], (this.direction == 'down' ? i.item[0] : i.item[0].nextSibling));
|
|
|
|
//Various things done here to improve the performance:
|
|
// 1. we create a setTimeout, that calls refreshPositions
|
|
// 2. on the instance, we have a counter variable, that get's higher after every append
|
|
// 3. on the local scope, we copy the counter variable, and check in the timeout, if it's still the same
|
|
// 4. this lets only the last addition to the timeout stack through
|
|
this.counter = this.counter ? ++this.counter : 1;
|
|
var self = this, counter = this.counter;
|
|
|
|
window.setTimeout(function() {
|
|
if(counter == self.counter) self.refreshPositions(!hardRefresh); //Precompute after each DOM insertion, NOT on mousemove
|
|
},0);
|
|
|
|
if(this.options.placeholder)
|
|
this.options.placeholder.update.call(this.element, this.currentItem, this.placeholder);
|
|
},
|
|
mouseStop: function(e, noPropagation) {
|
|
|
|
//If we are using droppables, inform the manager about the drop
|
|
if ($.ui.ddmanager && !this.options.dropBehaviour)
|
|
$.ui.ddmanager.drop(this, e);
|
|
|
|
if(this.options.revert) {
|
|
var self = this;
|
|
var cur = self.currentItem.offset();
|
|
|
|
//Also animate the placeholder if we have one
|
|
if(self.placeholder) self.placeholder.animate({ opacity: 'hide' }, (parseInt(this.options.revert, 10) || 500)-50);
|
|
|
|
$(this.helper).animate({
|
|
left: cur.left - this.offset.parent.left - self.margins.left + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollLeft),
|
|
top: cur.top - this.offset.parent.top - self.margins.top + (this.offsetParent[0] == document.body ? 0 : this.offsetParent[0].scrollTop)
|
|
}, parseInt(this.options.revert, 10) || 500, function() {
|
|
self.clear(e);
|
|
});
|
|
} else {
|
|
this.clear(e, noPropagation);
|
|
}
|
|
|
|
return false;
|
|
|
|
},
|
|
clear: function(e, noPropagation) {
|
|
|
|
if(this.domPosition.prev != this.currentItem.prev().not(".ui-sortable-helper")[0] || this.domPosition.parent != this.currentItem.parent()[0]) this.propagate("update", e, null, noPropagation); //Trigger update callback if the DOM position has changed
|
|
if(!contains(this.element[0], this.currentItem[0])) { //Node was moved out of the current element
|
|
this.propagate("remove", e, null, noPropagation);
|
|
for (var i = this.containers.length - 1; i >= 0; i--){
|
|
if(contains(this.containers[i].element[0], this.currentItem[0])) {
|
|
this.containers[i].propagate("update", e, this, noPropagation);
|
|
this.containers[i].propagate("receive", e, this, noPropagation);
|
|
}
|
|
};
|
|
};
|
|
|
|
//Post events to containers
|
|
for (var i = this.containers.length - 1; i >= 0; i--){
|
|
this.containers[i].propagate("deactivate", e, this, noPropagation);
|
|
if(this.containers[i].containerCache.over) {
|
|
this.containers[i].propagate("out", e, this);
|
|
this.containers[i].containerCache.over = 0;
|
|
}
|
|
}
|
|
|
|
this.dragging = false;
|
|
if(this.cancelHelperRemoval) {
|
|
this.propagate("stop", e, null, noPropagation);
|
|
return false;
|
|
}
|
|
|
|
$(this.currentItem).css('visibility', '');
|
|
if(this.placeholder) this.placeholder.remove();
|
|
this.helper.remove(); this.helper = null;
|
|
this.propagate("stop", e, null, noPropagation);
|
|
|
|
return true;
|
|
|
|
}
|
|
}));
|
|
|
|
$.extend($.ui.sortable, {
|
|
getter: "serialize toArray",
|
|
defaults: {
|
|
helper: "clone",
|
|
tolerance: "guess",
|
|
toleranceMove: "guess",
|
|
distance: 1,
|
|
delay: 0,
|
|
scroll: true,
|
|
scrollSensitivity: 20,
|
|
scrollSpeed: 20,
|
|
cancel: ":input",
|
|
items: '> *',
|
|
zIndex: 1000,
|
|
dropOnEmpty: true,
|
|
appendTo: "parent"
|
|
}
|
|
});
|
|
|
|
/*
|
|
* Sortable Extensions
|
|
*/
|
|
|
|
$.ui.plugin.add("sortable", "cursor", {
|
|
start: function(e, ui) {
|
|
var t = $('body');
|
|
if (t.css("cursor")) ui.options._cursor = t.css("cursor");
|
|
t.css("cursor", ui.options.cursor);
|
|
},
|
|
stop: function(e, ui) {
|
|
if (ui.options._cursor) $('body').css("cursor", ui.options._cursor);
|
|
}
|
|
});
|
|
|
|
$.ui.plugin.add("sortable", "zIndex", {
|
|
start: function(e, ui) {
|
|
var t = ui.helper;
|
|
if(t.css("zIndex")) ui.options._zIndex = t.css("zIndex");
|
|
t.css('zIndex', ui.options.zIndex);
|
|
},
|
|
stop: function(e, ui) {
|
|
if(ui.options._zIndex) $(ui.helper).css('zIndex', ui.options._zIndex);
|
|
}
|
|
});
|
|
|
|
$.ui.plugin.add("sortable", "opacity", {
|
|
start: function(e, ui) {
|
|
var t = ui.helper;
|
|
if(t.css("opacity")) ui.options._opacity = t.css("opacity");
|
|
t.css('opacity', ui.options.opacity);
|
|
},
|
|
stop: function(e, ui) {
|
|
if(ui.options._opacity) $(ui.helper).css('opacity', ui.options._opacity);
|
|
}
|
|
});
|
|
|
|
$.ui.plugin.add("sortable", "scroll", {
|
|
start: function(e, ui) {
|
|
var o = ui.options;
|
|
var i = $(this).data("sortable");
|
|
|
|
i.overflowY = function(el) {
|
|
do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-y'))) return el; el = el.parent(); } while (el[0].parentNode);
|
|
return $(document);
|
|
}(i.currentItem);
|
|
i.overflowX = function(el) {
|
|
do { if(/auto|scroll/.test(el.css('overflow')) || (/auto|scroll/).test(el.css('overflow-x'))) return el; el = el.parent(); } while (el[0].parentNode);
|
|
return $(document);
|
|
}(i.currentItem);
|
|
|
|
if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') i.overflowYOffset = i.overflowY.offset();
|
|
if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') i.overflowXOffset = i.overflowX.offset();
|
|
|
|
},
|
|
sort: function(e, ui) {
|
|
|
|
var o = ui.options;
|
|
var i = $(this).data("sortable");
|
|
|
|
if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') {
|
|
if((i.overflowYOffset.top + i.overflowY[0].offsetHeight) - e.pageY < o.scrollSensitivity)
|
|
i.overflowY[0].scrollTop = i.overflowY[0].scrollTop + o.scrollSpeed;
|
|
if(e.pageY - i.overflowYOffset.top < o.scrollSensitivity)
|
|
i.overflowY[0].scrollTop = i.overflowY[0].scrollTop - o.scrollSpeed;
|
|
} else {
|
|
if(e.pageY - $(document).scrollTop() < o.scrollSensitivity)
|
|
$(document).scrollTop($(document).scrollTop() - o.scrollSpeed);
|
|
if($(window).height() - (e.pageY - $(document).scrollTop()) < o.scrollSensitivity)
|
|
$(document).scrollTop($(document).scrollTop() + o.scrollSpeed);
|
|
}
|
|
|
|
if(i.overflowX[0] != document && i.overflowX[0].tagName != 'HTML') {
|
|
if((i.overflowXOffset.left + i.overflowX[0].offsetWidth) - e.pageX < o.scrollSensitivity)
|
|
i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft + o.scrollSpeed;
|
|
if(e.pageX - i.overflowXOffset.left < o.scrollSensitivity)
|
|
i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft - o.scrollSpeed;
|
|
} else {
|
|
if(e.pageX - $(document).scrollLeft() < o.scrollSensitivity)
|
|
$(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed);
|
|
if($(window).width() - (e.pageX - $(document).scrollLeft()) < o.scrollSensitivity)
|
|
$(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed);
|
|
}
|
|
|
|
}
|
|
});
|
|
|
|
$.ui.plugin.add("sortable", "axis", {
|
|
sort: function(e, ui) {
|
|
|
|
var i = $(this).data("sortable");
|
|
|
|
if(ui.options.axis == "y") i.position.left = i.originalPosition.left;
|
|
if(ui.options.axis == "x") i.position.top = i.originalPosition.top;
|
|
|
|
}
|
|
});
|
|
|
|
})(jQuery);
|