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author | pete <pete@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2008-05-09 00:31:16 +0000 |
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committer | pete <pete@36083f99-b078-4883-b0ff-0f9b5a30f544> | 2008-05-09 00:31:16 +0000 |
commit | e2a2e2b28bfc2b70ade8c6fb52363176af12804b (patch) | |
tree | ea5bbc78593c434817c57b0336bff772399fd535 /vendors/jquery/ui.sortable.js | |
parent | ee3f793908dd34b3aa9e6e96ba5c53b4b1500732 (diff) | |
download | elgg-e2a2e2b28bfc2b70ade8c6fb52363176af12804b.tar.gz elgg-e2a2e2b28bfc2b70ade8c6fb52363176af12804b.tar.bz2 |
jquery framework
git-svn-id: https://code.elgg.org/elgg/trunk@638 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'vendors/jquery/ui.sortable.js')
-rwxr-xr-x | vendors/jquery/ui.sortable.js | 676 |
1 files changed, 676 insertions, 0 deletions
diff --git a/vendors/jquery/ui.sortable.js b/vendors/jquery/ui.sortable.js new file mode 100755 index 000000000..b0f7929f3 --- /dev/null +++ b/vendors/jquery/ui.sortable.js @@ -0,0 +1,676 @@ +/* + * jQuery UI Sortable + * + * Copyright (c) 2008 Paul Bakaus + * Dual licensed under the MIT (MIT-LICENSE.txt) + * and GPL (GPL-LICENSE.txt) licenses. + * + * http://docs.jquery.com/UI/Sortables + * + * Depends: + * ui.base.js + * + * Revision: $Id: ui.sortable.js 5199 2008-04-04 14:04:32Z paul.bakaus $ + */ +;(function($) { + + if (window.Node && Node.prototype && !Node.prototype.contains) { + Node.prototype.contains = function (arg) { + return !!(this.compareDocumentPosition(arg) & 16); + }; + } + + $.fn.extend({ + sortable: function(options) { + + var args = Array.prototype.slice.call(arguments, 1); + + if (options == "serialize" || options == "toArray") + return $.data(this[0], "sortable")[options](arguments[1]); + + return this.each(function() { + if (typeof options == "string") { + var sort = $.data(this, "sortable"); + if (sort) sort[options].apply(sort, args); + + } else if(!$.data(this, "sortable")) + new $.ui.sortable(this, options); + }); + } + }); + + $.ui.sortable = function(element, options) { + //Initialize needed constants + var self = this; + + this.element = $(element); + this.containerCache = {}; + + $.data(element, "sortable", this); + this.element.addClass("ui-sortable"); + + //Prepare the passed options + this.options = $.extend({}, options); + var o = this.options; + $.extend(o, { + items: this.options.items || '> *', + zIndex: this.options.zIndex || 1000, + startCondition: function() { + return !self.options.disabled; + } + }); + + $(element).bind("setData.sortable", function(event, key, value){ + self.options[key] = value; + }).bind("getData.sortable", function(event, key){ + return self.options[key]; + }); + + //Get the items + this.refresh(); + + //Let's determine if the items are floating + this.floating = this.items.length ? (/left|right/).test(this.items[0].item.css('float')) : false; + + //Let's determine the parent's offset + if(!(/(relative|absolute|fixed)/).test(this.element.css('position'))) this.element.css('position', 'relative'); + this.offset = this.element.offset(); + + //Initialize mouse events for interaction + this.element.mouseInteraction({ + executor: this, + delay: o.delay, + distance: o.distance || 0, + dragPrevention: o.prevention ? o.prevention.toLowerCase().split(',') : ['input','textarea','button','select','option'], + start: this.start, + stop: this.stop, + drag: this.drag, + condition: function(e) { + + if(this.options.disabled || this.options.type == 'static') return false; + + //Find out if the clicked node (or one of its parents) is a actual item in this.items + var currentItem = null, nodes = $(e.target).parents().each(function() { + if($.data(this, 'sortable-item')) { + currentItem = $(this); + return false; + } + }); + if($.data(e.target, 'sortable-item')) currentItem = $(e.target); + + if(!currentItem) return false; + if(this.options.handle) { + var validHandle = false; + $(this.options.handle, currentItem).each(function() { if(this == e.target) validHandle = true; }); + if(!validHandle) return false; + } + + this.currentItem = currentItem; + return true; + + } + }); + + //Prepare cursorAt + if(o.cursorAt && o.cursorAt.constructor == Array) + o.cursorAt = { left: o.cursorAt[0], top: o.cursorAt[1] }; + }; + + $.extend($.ui.sortable.prototype, { + plugins: {}, + ui: function(inst) { + return { + helper: (inst || this)["helper"], + placeholder: (inst || this)["placeholder"] || $([]), + position: (inst || this)["position"].current, + absolutePosition: (inst || this)["position"].absolute, + instance: this, + options: this.options, + element: this.element, + item: (inst || this)["currentItem"], + sender: inst ? inst.element : null + }; + }, + propagate: function(n,e,inst) { + $.ui.plugin.call(this, n, [e, this.ui(inst)]); + this.element.triggerHandler(n == "sort" ? n : "sort"+n, [e, this.ui(inst)], this.options[n]); + }, + serialize: function(o) { + + var items = $(this.options.items, this.element).not('.ui-sortable-helper'); //Only the items of the sortable itself + var str = []; o = o || {}; + + items.each(function() { + var res = ($(this).attr(o.attribute || 'id') || '').match(o.expression || (/(.+)[-=_](.+)/)); + if(res) str.push((o.key || res[1])+'[]='+(o.key ? res[1] : res[2])); + }); + + return str.join('&'); + + }, + toArray: function(attr) { + var items = $(this.options.items, this.element).not('.ui-sortable-helper'); //Only the items of the sortable itself + var ret = []; + + items.each(function() { ret.push($(this).attr(attr || 'id')); }); + return ret; + }, + enable: function() { + this.element.removeClass("ui-sortable-disabled"); + this.options.disabled = false; + }, + disable: function() { + this.element.addClass("ui-sortable-disabled"); + this.options.disabled = true; + }, + /* Be careful with the following core functions */ + intersectsWith: function(item) { + + var x1 = this.position.absolute.left, x2 = x1 + this.helperProportions.width, + y1 = this.position.absolute.top, y2 = y1 + this.helperProportions.height; + var l = item.left, r = l + item.width, + t = item.top, b = t + item.height; + + return ( l < x1 + (this.helperProportions.width / 2) // Right Half + && x2 - (this.helperProportions.width / 2) < r // Left Half + && t < y1 + (this.helperProportions.height / 2) // Bottom Half + && y2 - (this.helperProportions.height / 2) < b ); // Top Half + + }, + intersectsWithEdge: function(item) { + var x1 = this.position.absolute.left, x2 = x1 + this.helperProportions.width, + y1 = this.position.absolute.top, y2 = y1 + this.helperProportions.height; + var l = item.left, r = l + item.width, + t = item.top, b = t + item.height; + + + if (!( l < x1 + (this.helperProportions.width / 2) // Right Half + && x2 - (this.helperProportions.width / 2) < r // Left Half + && t < y1 + (this.helperProportions.height / 2) // Bottom Half + && y2 - (this.helperProportions.height / 2) < b )) return false; // Top Half + + if(this.floating) { + if(x2 > l && x1 < l) return 2; //Crosses left edge + if(x1 < r && x2 > r) return 1; //Crosses right edge + } else { + if(y2 > t && y1 < t) return 1; //Crosses top edge + if(y1 < b && y2 > b) return 2; //Crosses bottom edge + } + + return false; + + }, + //This method checks approximately if the item is dragged in a container, but doesn't touch any items + inEmptyZone: function(container) { + + if(!$(container.options.items, container.element).length) { + return container.options.dropOnEmpty ? true : false; + }; + + var last = $(container.options.items, container.element).not('.ui-sortable-helper'); last = $(last[last.length-1]); + var top = last.offset()[this.floating ? 'left' : 'top'] + last[0][this.floating ? 'offsetWidth' : 'offsetHeight']; + return (this.position.absolute[this.floating ? 'left' : 'top'] > top); + }, + refresh: function() { + this.refreshItems(); + this.refreshPositions(); + }, + refreshItems: function() { + + this.items = []; + this.containers = [this]; + var items = this.items; + var queries = [$(this.options.items, this.element)]; + + if(this.options.connectWith) { + for (var i = this.options.connectWith.length - 1; i >= 0; i--){ + var cur = $(this.options.connectWith[i]); + for (var j = cur.length - 1; j >= 0; j--){ + var inst = $.data(cur[j], 'sortable'); + if(inst && !inst.options.disabled) { + queries.push($(inst.options.items, inst.element)); + this.containers.push(inst); + } + }; + }; + } + + for (var i = queries.length - 1; i >= 0; i--){ + queries[i].each(function() { + $.data(this, 'sortable-item', true); // Data for target checking (mouse manager) + items.push({ + item: $(this), + width: 0, height: 0, + left: 0, top: 0 + }); + }); + }; + + }, + refreshPositions: function(fast) { + for (var i = this.items.length - 1; i >= 0; i--){ + if(!fast) this.items[i].width = this.items[i].item.outerWidth(); + if(!fast) this.items[i].height = this.items[i].item.outerHeight(); + var p = this.items[i].item.offset(); + this.items[i].left = p.left; + this.items[i].top = p.top; + }; + for (var i = this.containers.length - 1; i >= 0; i--){ + var p =this.containers[i].element.offset(); + this.containers[i].containerCache.left = p.left; + this.containers[i].containerCache.top = p.top; + this.containers[i].containerCache.width = this.containers[i].element.outerWidth(); + this.containers[i].containerCache.height= this.containers[i].element.outerHeight(); + }; + }, + destroy: function() { + this.element + .removeClass("ui-sortable ui-sortable-disabled") + .removeData("sortable") + .unbind(".sortable") + .removeMouseInteraction(); + + for ( var i = this.items.length - 1; i >= 0; i-- ) + this.items[i].item.removeData("sortable-item"); + }, + createPlaceholder: function(that) { + (that || this).placeholderElement = this.options.placeholderElement ? $(this.options.placeholderElement, (that || this).currentItem) : (that || this).currentItem; + (that || this).placeholder = $('<div></div>') + .addClass(this.options.placeholder) + .appendTo('body') + .css({ position: 'absolute' }) + .css((that || this).placeholderElement.offset()) + .css({ width: (that || this).placeholderElement.outerWidth(), height: (that || this).placeholderElement.outerHeight() }) + ; + }, + contactContainers: function(e) { + for (var i = this.containers.length - 1; i >= 0; i--){ + + if(this.intersectsWith(this.containers[i].containerCache)) { + if(!this.containers[i].containerCache.over) { + + + if(this.currentContainer != this.containers[i]) { + + //When entering a new container, we will find the item with the least distance and append our item near it + var dist = 10000; var itemWithLeastDistance = null; var base = this.position.absolute[this.containers[i].floating ? 'left' : 'top']; + for (var j = this.items.length - 1; j >= 0; j--) { + if(!this.containers[i].element[0].contains(this.items[j].item[0])) continue; + var cur = this.items[j][this.containers[i].floating ? 'left' : 'top']; + if(Math.abs(cur - base) < dist) { + dist = Math.abs(cur - base); itemWithLeastDistance = this.items[j]; + } + } + + //We also need to exchange the placeholder + if(this.placeholder) this.placeholder.remove(); + if(this.containers[i].options.placeholder) { + this.containers[i].createPlaceholder(this); + } else { + this.placeholder = null; this.placeholderElement = null; + } + + + itemWithLeastDistance ? this.rearrange(e, itemWithLeastDistance) : this.rearrange(e, null, this.containers[i].element); + this.propagate("change", e); //Call plugins and callbacks + this.containers[i].propagate("change", e, this); //Call plugins and callbacks + this.currentContainer = this.containers[i]; + + } + + this.containers[i].propagate("over", e, this); + this.containers[i].containerCache.over = 1; + } + } else { + if(this.containers[i].containerCache.over) { + this.containers[i].propagate("out", e, this); + this.containers[i].containerCache.over = 0; + } + } + + }; + }, + start: function(e,el) { + + var o = this.options; + this.refresh(); + + //Create and append the visible helper + this.helper = typeof o.helper == 'function' ? $(o.helper.apply(this.element[0], [e, this.currentItem])) : this.currentItem.clone(); + if(!this.helper.parents('body').length) this.helper.appendTo(o.appendTo || this.currentItem[0].parentNode); //Add the helper to the DOM if that didn't happen already + this.helper.css({ position: 'absolute', clear: 'both' }).addClass('ui-sortable-helper'); //Position it absolutely and add a helper class + + //Prepare variables for position generation + $.extend(this, { + offsetParent: this.helper.offsetParent(), + offsets: { + absolute: this.currentItem.offset() + }, + mouse: { + start: { top: e.pageY, left: e.pageX } + }, + margins: { + top: parseInt(this.currentItem.css("marginTop")) || 0, + left: parseInt(this.currentItem.css("marginLeft")) || 0 + } + }); + + //The relative click offset + this.offsets.parent = this.offsetParent.offset(); + this.clickOffset = { left: e.pageX - this.offsets.absolute.left, top: e.pageY - this.offsets.absolute.top }; + + this.originalPosition = { + left: this.offsets.absolute.left - this.offsets.parent.left - this.margins.left, + top: this.offsets.absolute.top - this.offsets.parent.top - this.margins.top + } + + //Generate a flexible offset that will later be subtracted from e.pageX/Y + //I hate margins - they need to be removed before positioning the element absolutely.. + this.offset = { + left: e.pageX - this.originalPosition.left, + top: e.pageY - this.originalPosition.top + }; + + //Save the first time position + $.extend(this, { + position: { + current: { top: e.pageY - this.offset.top, left: e.pageX - this.offset.left }, + absolute: { left: e.pageX - this.clickOffset.left, top: e.pageY - this.clickOffset.top }, + dom: this.currentItem.prev()[0] + } + }); + + //If o.placeholder is used, create a new element at the given position with the class + if(o.placeholder) this.createPlaceholder(); + + this.propagate("start", e); //Call plugins and callbacks + this.helperProportions = { width: this.helper.outerWidth(), height: this.helper.outerHeight() }; //Save and store the helper proportions + + //If we have something in cursorAt, we'll use it + if(o.cursorAt) { + if(o.cursorAt.top != undefined || o.cursorAt.bottom != undefined) { + this.offset.top -= this.clickOffset.top - (o.cursorAt.top != undefined ? o.cursorAt.top : (this.helperProportions.height - o.cursorAt.bottom)); + this.clickOffset.top = (o.cursorAt.top != undefined ? o.cursorAt.top : (this.helperProportions.height - o.cursorAt.bottom)); + } + if(o.cursorAt.left != undefined || o.cursorAt.right != undefined) { + this.offset.left -= this.clickOffset.left - (o.cursorAt.left != undefined ? o.cursorAt.left : (this.helperProportions.width - o.cursorAt.right)); + this.clickOffset.left = (o.cursorAt.left != undefined ? o.cursorAt.left : (this.helperProportions.width - o.cursorAt.right)); + } + } + + if(this.options.placeholder != 'clone') $(this.currentItem).css('visibility', 'hidden'); //Set the original element visibility to hidden to still fill out the white space + for (var i = this.containers.length - 1; i >= 0; i--) { this.containers[i].propagate("activate", e, this); } //Post 'activate' events to possible containers + + //Prepare possible droppables + if($.ui.ddmanager) $.ui.ddmanager.current = this; + if ($.ui.ddmanager && !o.dropBehaviour) $.ui.ddmanager.prepareOffsets(this, e); + + this.dragging = true; + return false; + + }, + stop: function(e) { + + this.propagate("stop", e); //Call plugins and trigger callbacks + if(this.position.dom != this.currentItem.prev()[0]) this.propagate("update", e); //Trigger update callback if the DOM position has changed + if(!this.element[0].contains(this.currentItem[0])) { //Node was moved out of the current element + this.propagate("remove", e); + for (var i = this.containers.length - 1; i >= 0; i--){ + if(this.containers[i].element[0].contains(this.currentItem[0])) { + this.containers[i].propagate("update", e, this); + this.containers[i].propagate("receive", e, this); + } + }; + }; + + //Post events to containers + for (var i = this.containers.length - 1; i >= 0; i--){ + this.containers[i].propagate("deactivate", e, this); + if(this.containers[i].containerCache.over) { + this.containers[i].propagate("out", e, this); + this.containers[i].containerCache.over = 0; + } + } + + //If we are using droppables, inform the manager about the drop + if ($.ui.ddmanager && !this.options.dropBehaviour) $.ui.ddmanager.drop(this, e); + + this.dragging = false; + if(this.cancelHelperRemoval) return false; + $(this.currentItem).css('visibility', ''); + if(this.placeholder) this.placeholder.remove(); + this.helper.remove(); + + return false; + + }, + drag: function(e) { + + //Compute the helpers position + this.position.current = { top: e.pageY - this.offset.top, left: e.pageX - this.offset.left }; + this.position.absolute = { left: e.pageX - this.clickOffset.left, top: e.pageY - this.clickOffset.top }; + + //Rearrange + for (var i = this.items.length - 1; i >= 0; i--) { + var intersection = this.intersectsWithEdge(this.items[i]); + if(!intersection) continue; + + if( this.items[i].item[0] != this.currentItem[0] //cannot intersect with itself + && this.currentItem[intersection == 1 ? "next" : "prev"]()[0] != this.items[i].item[0] //no useless actions that have been done before + && !this.currentItem[0].contains(this.items[i].item[0]) //no action if the item moved is the parent of the item checked + && (this.options.type == 'semi-dynamic' ? !this.element[0].contains(this.items[i].item[0]) : true) + ) { + + this.direction = intersection == 1 ? "down" : "up"; + this.rearrange(e, this.items[i]); + this.propagate("change", e); //Call plugins and callbacks + break; + } + } + + //Post events to containers + this.contactContainers(e); + + //Interconnect with droppables + if($.ui.ddmanager) $.ui.ddmanager.drag(this, e); + + this.propagate("sort", e); //Call plugins and callbacks + this.helper.css({ left: this.position.current.left+'px', top: this.position.current.top+'px' }); // Stick the helper to the cursor + return false; + + }, + rearrange: function(e, i, a) { + a ? a.append(this.currentItem) : i.item[this.direction == 'down' ? 'before' : 'after'](this.currentItem); + this.refreshPositions(true); //Precompute after each DOM insertion, NOT on mousemove + if(this.placeholderElement) this.placeholder.css(this.placeholderElement.offset()); + } + }); + +/* + * 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", "revert", { + stop: function(e, ui) { + var self = ui.instance; + self.cancelHelperRemoval = true; + var cur = self.currentItem.offset(); + var op = self.helper.offsetParent().offset(); + if(ui.instance.options.zIndex) ui.helper.css('zIndex', ui.instance.options.zIndex); //Do the zIndex again because it already was resetted by the plugin above on stop + + //Also animate the placeholder if we have one + if(ui.instance.placeholder) ui.instance.placeholder.animate({ opacity: 'hide' }, parseInt(ui.options.revert, 10) || 500); + + + ui.helper.animate({ + left: cur.left - op.left - self.margins.left, + top: cur.top - op.top - self.margins.top + }, parseInt(ui.options.revert, 10) || 500, function() { + self.currentItem.css('visibility', 'visible'); + window.setTimeout(function() { + if(self.placeholder) self.placeholder.remove(); + self.helper.remove(); + if(ui.options._zIndex) ui.helper.css('zIndex', ui.options._zIndex); + }, 50); + }); + } + }); + + + $.ui.plugin.add("sortable", "containment", { + start: function(e, ui) { + + var o = ui.options; + if((o.containment.left != undefined || o.containment.constructor == Array) && !o._containment) return; + if(!o._containment) o._containment = o.containment; + + if(o._containment == 'parent') o._containment = this[0].parentNode; + if(o._containment == 'sortable') o._containment = this[0]; + if(o._containment == 'document') { + o.containment = [ + 0, + 0, + $(document).width(), + ($(document).height() || document.body.parentNode.scrollHeight) + ]; + } else { //I'm a node, so compute top/left/right/bottom + + var ce = $(o._containment); + var co = ce.offset(); + + o.containment = [ + co.left, + co.top, + co.left+(ce.outerWidth() || ce[0].scrollWidth), + co.top+(ce.outerHeight() || ce[0].scrollHeight) + ]; + } + + }, + sort: function(e, ui) { + + var o = ui.options; + var h = ui.helper; + var c = o.containment; + var self = ui.instance; + var borderLeft = (parseInt(self.offsetParent.css("borderLeftWidth"), 10) || 0); + var borderRight = (parseInt(self.offsetParent.css("borderRightWidth"), 10) || 0); + var borderTop = (parseInt(self.offsetParent.css("borderTopWidth"), 10) || 0); + var borderBottom = (parseInt(self.offsetParent.css("borderBottomWidth"), 10) || 0); + + if(c.constructor == Array) { + if((self.position.absolute.left < c[0])) self.position.current.left = c[0] - self.offsets.parent.left - self.margins.left; + if((self.position.absolute.top < c[1])) self.position.current.top = c[1] - self.offsets.parent.top - self.margins.top; + if(self.position.absolute.left - c[2] + self.helperProportions.width >= 0) self.position.current.left = c[2] - self.offsets.parent.left - self.helperProportions.width - self.margins.left - borderLeft - borderRight; + if(self.position.absolute.top - c[3] + self.helperProportions.height >= 0) self.position.current.top = c[3] - self.offsets.parent.top - self.helperProportions.height - self.margins.top - borderTop - borderBottom; + } else { + if((ui.position.left < c.left)) self.position.current.left = c.left; + if((ui.position.top < c.top)) self.position.current.top = c.top; + if(ui.position.left - self.offsetParent.innerWidth() + self.helperProportions.width + c.right + borderLeft + borderRight >= 0) self.position.current.left = self.offsetParent.innerWidth() - self.helperProportions.width - c.right - borderLeft - borderRight; + if(ui.position.top - self.offsetParent.innerHeight() + self.helperProportions.height + c.bottom + borderTop + borderBottom >= 0) self.position.current.top = self.offsetParent.innerHeight() - self.helperProportions.height - c.bottom - borderTop - borderBottom; + } + + } + }); + + $.ui.plugin.add("sortable", "axis", { + sort: function(e, ui) { + var o = ui.options; + if(o.constraint) o.axis = o.constraint; //Legacy check + o.axis == 'x' ? ui.instance.position.top = ui.instance.originalPosition.top : ui.instance.position.left = ui.instance.originalPosition.left; + } + }); + + $.ui.plugin.add("sortable", "scroll", { + start: function(e, ui) { + var o = ui.options; + o.scrollSensitivity = o.scrollSensitivity || 20; + o.scrollSpeed = o.scrollSpeed || 20; + + ui.instance.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); + }(this); + ui.instance.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 $(document); + }(this); + + if(ui.instance.overflowY[0] != document && ui.instance.overflowY[0].tagName != 'HTML') ui.instance.overflowYstart = ui.instance.overflowY[0].scrollTop; + if(ui.instance.overflowX[0] != document && ui.instance.overflowX[0].tagName != 'HTML') ui.instance.overflowXstart = ui.instance.overflowX[0].scrollLeft; + + }, + sort: function(e, ui) { + + var o = ui.options; + var i = ui.instance; + + if(i.overflowY[0] != document && i.overflowY[0].tagName != 'HTML') { + if(i.overflowY[0].offsetHeight - (ui.position.top - i.overflowY[0].scrollTop + i.clickOffset.top) < o.scrollSensitivity) + i.overflowY[0].scrollTop = i.overflowY[0].scrollTop + o.scrollSpeed; + if((ui.position.top - i.overflowY[0].scrollTop + i.clickOffset.top) < o.scrollSensitivity) + i.overflowY[0].scrollTop = i.overflowY[0].scrollTop - o.scrollSpeed; + } else { + //$(document.body).append('<p>'+(e.pageY - $(document).scrollTop())+'</p>'); + 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.overflowX[0].offsetWidth - (ui.position.left - i.overflowX[0].scrollLeft + i.clickOffset.left) < o.scrollSensitivity) + i.overflowX[0].scrollLeft = i.overflowX[0].scrollLeft + o.scrollSpeed; + if((ui.position.top - i.overflowX[0].scrollLeft + i.clickOffset.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.instance.recallOffset(e); + i.offset = { + left: i.mouse.start.left - i.originalPosition.left + (i.overflowXstart !== undefined ? i.overflowXstart - i.overflowX[0].scrollLeft : 0), + top: i.mouse.start.top - i.originalPosition.top + (i.overflowYstart !== undefined ? i.overflowYstart - i.overflowX[0].scrollTop : 0) + }; + + } + }); + +})(jQuery); |