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Diffstat (limited to 'examples/lessons/6_Maths_variables/js/ui.draggable.js')
| -rwxr-xr-x | examples/lessons/6_Maths_variables/js/ui.draggable.js | 766 |
1 files changed, 0 insertions, 766 deletions
diff --git a/examples/lessons/6_Maths_variables/js/ui.draggable.js b/examples/lessons/6_Maths_variables/js/ui.draggable.js deleted file mode 100755 index 0402f0e..0000000 --- a/examples/lessons/6_Maths_variables/js/ui.draggable.js +++ /dev/null @@ -1,766 +0,0 @@ -/* - * jQuery UI Draggable 1.7.2 - * - * Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about) - * Dual licensed under the MIT (MIT-LICENSE.txt) - * and GPL (GPL-LICENSE.txt) licenses. - * - * http://docs.jquery.com/UI/Draggables - * - * Depends: - * ui.core.js - */ -(function($) { - -$.widget("ui.draggable", $.extend({}, $.ui.mouse, { - - _init: function() { - - if (this.options.helper == 'original' && !(/^(?:r|a|f)/).test(this.element.css("position"))) - this.element[0].style.position = 'relative'; - - (this.options.addClasses && this.element.addClass("ui-draggable")); - (this.options.disabled && this.element.addClass("ui-draggable-disabled")); - - this._mouseInit(); - - }, - - destroy: function() { - if(!this.element.data('draggable')) return; - this.element - .removeData("draggable") - .unbind(".draggable") - .removeClass("ui-draggable" - + " ui-draggable-dragging" - + " ui-draggable-disabled"); - this._mouseDestroy(); - }, - - _mouseCapture: function(event) { - - var o = this.options; - - if (this.helper || o.disabled || $(event.target).is('.ui-resizable-handle')) - return false; - - //Quit if we're not on a valid handle - this.handle = this._getHandle(event); - if (!this.handle) - return false; - - return true; - - }, - - _mouseStart: function(event) { - - var o = this.options; - - //Create and append the visible helper - this.helper = this._createHelper(event); - - //Cache the helper size - this._cacheHelperProportions(); - - //If ddmanager is used for droppables, set the global draggable - if($.ui.ddmanager) - $.ui.ddmanager.current = this; - - /* - * - Position generation - - * This block generates everything position related - it's the core of draggables. - */ - - //Cache the margins of the original element - this._cacheMargins(); - - //Store the helper's css position - this.cssPosition = this.helper.css("position"); - this.scrollParent = this.helper.scrollParent(); - - //The element's absolute position on the page minus margins - this.offset = this.element.offset(); - this.offset = { - top: this.offset.top - this.margins.top, - left: this.offset.left - this.margins.left - }; - - $.extend(this.offset, { - click: { //Where the click happened, relative to the element - left: event.pageX - this.offset.left, - top: event.pageY - this.offset.top - }, - parent: this._getParentOffset(), - relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper - }); - - //Generate the original position - this.originalPosition = this._generatePosition(event); - this.originalPageX = event.pageX; - this.originalPageY = event.pageY; - - //Adjust the mouse offset relative to the helper if 'cursorAt' is supplied - if(o.cursorAt) - this._adjustOffsetFromHelper(o.cursorAt); - - //Set a containment if given in the options - if(o.containment) - this._setContainment(); - - //Call plugins and callbacks - this._trigger("start", event); - - //Recache the helper size - this._cacheHelperProportions(); - - //Prepare the droppable offsets - if ($.ui.ddmanager && !o.dropBehaviour) - $.ui.ddmanager.prepareOffsets(this, event); - - this.helper.addClass("ui-draggable-dragging"); - this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position - return true; - }, - - _mouseDrag: function(event, noPropagation) { - - //Compute the helpers position - this.position = this._generatePosition(event); - this.positionAbs = this._convertPositionTo("absolute"); - - //Call plugins and callbacks and use the resulting position if something is returned - if (!noPropagation) { - var ui = this._uiHash(); - this._trigger('drag', event, ui); - this.position = ui.position; - } - - if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px'; - if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px'; - if($.ui.ddmanager) $.ui.ddmanager.drag(this, event); - - return false; - }, - - _mouseStop: function(event) { - - //If we are using droppables, inform the manager about the drop - var dropped = false; - if ($.ui.ddmanager && !this.options.dropBehaviour) - dropped = $.ui.ddmanager.drop(this, event); - - //if a drop comes from outside (a sortable) - if(this.dropped) { - dropped = this.dropped; - this.dropped = false; - } - - if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) { - var self = this; - $(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() { - self._trigger("stop", event); - self._clear(); - }); - } else { - this._trigger("stop", event); - this._clear(); - } - - return false; - }, - - _getHandle: function(event) { - - var handle = !this.options.handle || !$(this.options.handle, this.element).length ? true : false; - $(this.options.handle, this.element) - .find("*") - .andSelf() - .each(function() { - if(this == event.target) handle = true; - }); - - return handle; - - }, - - _createHelper: function(event) { - - var o = this.options; - var helper = $.isFunction(o.helper) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element); - - if(!helper.parents('body').length) - helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo)); - - if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position"))) - helper.css("position", "absolute"); - - return helper; - - }, - - _adjustOffsetFromHelper: function(obj) { - if(obj.left != undefined) this.offset.click.left = obj.left + this.margins.left; - if(obj.right != undefined) this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left; - if(obj.top != undefined) this.offset.click.top = obj.top + this.margins.top; - if(obj.bottom != undefined) this.offset.click.top = this.helperProportions.height - obj.bottom + this.margins.top; - }, - - _getParentOffset: function() { - - //Get the offsetParent and cache its position - this.offsetParent = this.helper.offsetParent(); - var po = this.offsetParent.offset(); - - // This is a special case where we need to modify a offset calculated on start, since the following happened: - // 1. The position of the helper is absolute, so it's position is calculated based on the next positioned parent - // 2. The actual offset parent is a child of the scroll parent, and the scroll parent isn't the document, which means that - // the scroll is included in the initial calculation of the offset of the parent, and never recalculated upon drag - if(this.cssPosition == 'absolute' && this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) { - po.left += this.scrollParent.scrollLeft(); - po.top += this.scrollParent.scrollTop(); - } - - if((this.offsetParent[0] == document.body) //This needs to be actually done for all browsers, since pageX/pageY includes this information - || (this.offsetParent[0].tagName && this.offsetParent[0].tagName.toLowerCase() == 'html' && $.browser.msie)) //Ugly IE fix - po = { top: 0, left: 0 }; - - return { - top: po.top + (parseInt(this.offsetParent.css("borderTopWidth"),10) || 0), - left: po.left + (parseInt(this.offsetParent.css("borderLeftWidth"),10) || 0) - }; - - }, - - _getRelativeOffset: function() { - - if(this.cssPosition == "relative") { - var p = this.element.position(); - return { - top: p.top - (parseInt(this.helper.css("top"),10) || 0) + this.scrollParent.scrollTop(), - left: p.left - (parseInt(this.helper.css("left"),10) || 0) + this.scrollParent.scrollLeft() - }; - } else { - return { top: 0, left: 0 }; - } - - }, - - _cacheMargins: function() { - this.margins = { - left: (parseInt(this.element.css("marginLeft"),10) || 0), - top: (parseInt(this.element.css("marginTop"),10) || 0) - }; - }, - - _cacheHelperProportions: function() { - this.helperProportions = { - width: this.helper.outerWidth(), - height: this.helper.outerHeight() - }; - }, - - _setContainment: function() { - - var o = this.options; - if(o.containment == 'parent') o.containment = this.helper[0].parentNode; - if(o.containment == 'document' || o.containment == 'window') this.containment = [ - 0 - this.offset.relative.left - this.offset.parent.left, - 0 - this.offset.relative.top - this.offset.parent.top, - $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left, - ($(o.containment == 'document' ? document : window).height() || document.body.parentNode.scrollHeight) - this.helperProportions.height - this.margins.top - ]; - - if(!(/^(document|window|parent)$/).test(o.containment) && o.containment.constructor != Array) { - var ce = $(o.containment)[0]; if(!ce) return; - var co = $(o.containment).offset(); - var over = ($(ce).css("overflow") != 'hidden'); - - this.containment = [ - co.left + (parseInt($(ce).css("borderLeftWidth"),10) || 0) + (parseInt($(ce).css("paddingLeft"),10) || 0) - this.margins.left, - co.top + (parseInt($(ce).css("borderTopWidth"),10) || 0) + (parseInt($(ce).css("paddingTop"),10) || 0) - this.margins.top, - co.left+(over ? Math.max(ce.scrollWidth,ce.offsetWidth) : ce.offsetWidth) - (parseInt($(ce).css("borderLeftWidth"),10) || 0) - (parseInt($(ce).css("paddingRight"),10) || 0) - this.helperProportions.width - this.margins.left, - co.top+(over ? Math.max(ce.scrollHeight,ce.offsetHeight) : ce.offsetHeight) - (parseInt($(ce).css("borderTopWidth"),10) || 0) - (parseInt($(ce).css("paddingBottom"),10) || 0) - this.helperProportions.height - this.margins.top - ]; - } else if(o.containment.constructor == Array) { - this.containment = o.containment; - } - - }, - - _convertPositionTo: function(d, pos) { - - if(!pos) pos = this.position; - var mod = d == "absolute" ? 1 : -1; - var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); - - return { - top: ( - pos.top // The absolute mouse position - + this.offset.relative.top * mod // Only for relative positioned nodes: Relative offset from element to offset parent - + this.offset.parent.top * mod // The offsetParent's offset without borders (offset + border) - - ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod) - ), - left: ( - pos.left // The absolute mouse position - + this.offset.relative.left * mod // Only for relative positioned nodes: Relative offset from element to offset parent - + this.offset.parent.left * mod // The offsetParent's offset without borders (offset + border) - - ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ) * mod) - ) - }; - - }, - - _generatePosition: function(event) { - - var o = this.options, scroll = this.cssPosition == 'absolute' && !(this.scrollParent[0] != document && $.ui.contains(this.scrollParent[0], this.offsetParent[0])) ? this.offsetParent : this.scrollParent, scrollIsRootNode = (/(html|body)/i).test(scroll[0].tagName); - - // This is another very weird special case that only happens for relative elements: - // 1. If the css position is relative - // 2. and the scroll parent is the document or similar to the offset parent - // we have to refresh the relative offset during the scroll so there are no jumps - if(this.cssPosition == 'relative' && !(this.scrollParent[0] != document && this.scrollParent[0] != this.offsetParent[0])) { - this.offset.relative = this._getRelativeOffset(); - } - - var pageX = event.pageX; - var pageY = event.pageY; - - /* - * - Position constraining - - * Constrain the position to a mix of grid, containment. - */ - - if(this.originalPosition) { //If we are not dragging yet, we won't check for options - - if(this.containment) { - if(event.pageX - this.offset.click.left < this.containment[0]) pageX = this.containment[0] + this.offset.click.left; - if(event.pageY - this.offset.click.top < this.containment[1]) pageY = this.containment[1] + this.offset.click.top; - if(event.pageX - this.offset.click.left > this.containment[2]) pageX = this.containment[2] + this.offset.click.left; - if(event.pageY - this.offset.click.top > this.containment[3]) pageY = this.containment[3] + this.offset.click.top; - } - - if(o.grid) { - var top = this.originalPageY + Math.round((pageY - this.originalPageY) / o.grid[1]) * o.grid[1]; - pageY = this.containment ? (!(top - this.offset.click.top < this.containment[1] || top - this.offset.click.top > this.containment[3]) ? top : (!(top - this.offset.click.top < this.containment[1]) ? top - o.grid[1] : top + o.grid[1])) : top; - - var left = this.originalPageX + Math.round((pageX - this.originalPageX) / o.grid[0]) * o.grid[0]; - pageX = this.containment ? (!(left - this.offset.click.left < this.containment[0] || left - this.offset.click.left > this.containment[2]) ? left : (!(left - this.offset.click.left < this.containment[0]) ? left - o.grid[0] : left + o.grid[0])) : left; - } - - } - - return { - top: ( - pageY // The absolute mouse position - - this.offset.click.top // Click offset (relative to the element) - - this.offset.relative.top // Only for relative positioned nodes: Relative offset from element to offset parent - - this.offset.parent.top // The offsetParent's offset without borders (offset + border) - + ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) )) - ), - left: ( - pageX // The absolute mouse position - - this.offset.click.left // Click offset (relative to the element) - - this.offset.relative.left // Only for relative positioned nodes: Relative offset from element to offset parent - - this.offset.parent.left // The offsetParent's offset without borders (offset + border) - + ($.browser.safari && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() )) - ) - }; - - }, - - _clear: function() { - this.helper.removeClass("ui-draggable-dragging"); - if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove(); - //if($.ui.ddmanager) $.ui.ddmanager.current = null; - this.helper = null; - this.cancelHelperRemoval = false; - }, - - // From now on bulk stuff - mainly helpers - - _trigger: function(type, event, ui) { - ui = ui || this._uiHash(); - $.ui.plugin.call(this, type, [event, ui]); - if(type == "drag") this.positionAbs = this._convertPositionTo("absolute"); //The absolute position has to be recalculated after plugins - return $.widget.prototype._trigger.call(this, type, event, ui); - }, - - plugins: {}, - - _uiHash: function(event) { - return { - helper: this.helper, - position: this.position, - absolutePosition: this.positionAbs, //deprecated - offset: this.positionAbs - }; - } - -})); - -$.extend($.ui.draggable, { - version: "1.7.2", - eventPrefix: "drag", - defaults: { - addClasses: true, - appendTo: "parent", - axis: false, - cancel: ":input,option", - connectToSortable: false, - containment: false, - cursor: "auto", - cursorAt: false, - delay: 0, - distance: 1, - grid: false, - handle: false, - helper: "original", - iframeFix: false, - opacity: false, - refreshPositions: false, - revert: false, - revertDuration: 500, - scope: "default", - scroll: true, - scrollSensitivity: 20, - scrollSpeed: 20, - snap: false, - snapMode: "both", - snapTolerance: 20, - stack: false, - zIndex: false - } -}); - -$.ui.plugin.add("draggable", "connectToSortable", { - start: function(event, ui) { - - var inst = $(this).data("draggable"), o = inst.options, - uiSortable = $.extend({}, ui, { item: inst.element }); - inst.sortables = []; - $(o.connectToSortable).each(function() { - var sortable = $.data(this, 'sortable'); - if (sortable && !sortable.options.disabled) { - inst.sortables.push({ - instance: sortable, - shouldRevert: sortable.options.revert - }); - sortable._refreshItems(); //Do a one-time refresh at start to refresh the containerCache - sortable._trigger("activate", event, uiSortable); - } - }); - - }, - stop: function(event, ui) { - - //If we are still over the sortable, we fake the stop event of the sortable, but also remove helper - var inst = $(this).data("draggable"), - uiSortable = $.extend({}, ui, { item: inst.element }); - - $.each(inst.sortables, function() { - if(this.instance.isOver) { - - this.instance.isOver = 0; - - inst.cancelHelperRemoval = true; //Don't remove the helper in the draggable instance - this.instance.cancelHelperRemoval = false; //Remove it in the sortable instance (so sortable plugins like revert still work) - - //The sortable revert is supported, and we have to set a temporary dropped variable on the draggable to support revert: 'valid/invalid' - if(this.shouldRevert) this.instance.options.revert = true; - - //Trigger the stop of the sortable - this.instance._mouseStop(event); - - this.instance.options.helper = this.instance.options._helper; - - //If the helper has been the original item, restore properties in the sortable - if(inst.options.helper == 'original') - this.instance.currentItem.css({ top: 'auto', left: 'auto' }); - - } else { - this.instance.cancelHelperRemoval = false; //Remove the helper in the sortable instance - this.instance._trigger("deactivate", event, uiSortable); - } - - }); - - }, - drag: function(event, ui) { - - var inst = $(this).data("draggable"), self = this; - - var checkPos = function(o) { - var dyClick = this.offset.click.top, dxClick = this.offset.click.left; - var helperTop = this.positionAbs.top, helperLeft = this.positionAbs.left; - var itemHeight = o.height, itemWidth = o.width; - var itemTop = o.top, itemLeft = o.left; - - return $.ui.isOver(helperTop + dyClick, helperLeft + dxClick, itemTop, itemLeft, itemHeight, itemWidth); - }; - - $.each(inst.sortables, function(i) { - - //Copy over some variables to allow calling the sortable's native _intersectsWith - this.instance.positionAbs = inst.positionAbs; - this.instance.helperProportions = inst.helperProportions; - this.instance.offset.click = inst.offset.click; - - if(this.instance._intersectsWith(this.instance.containerCache)) { - - //If it intersects, we use a little isOver variable and set it once, so our move-in stuff gets fired only once - if(!this.instance.isOver) { - - this.instance.isOver = 1; - //Now we fake the start of dragging for the sortable instance, - //by cloning the list group item, appending it to the sortable and using it as inst.currentItem - //We can then fire the start event of the sortable with our passed browser event, and our own helper (so it doesn't create a new one) - this.instance.currentItem = $(self).clone().appendTo(this.instance.element).data("sortable-item", true); - this.instance.options._helper = this.instance.options.helper; //Store helper option to later restore it - this.instance.options.helper = function() { return ui.helper[0]; }; - - event.target = this.instance.currentItem[0]; - this.instance._mouseCapture(event, true); - this.instance._mouseStart(event, true, true); - - //Because the browser event is way off the new appended portlet, we modify a couple of variables to reflect the changes - this.instance.offset.click.top = inst.offset.click.top; - this.instance.offset.click.left = inst.offset.click.left; - this.instance.offset.parent.left -= inst.offset.parent.left - this.instance.offset.parent.left; - this.instance.offset.parent.top -= inst.offset.parent.top - this.instance.offset.parent.top; - - inst._trigger("toSortable", event); - inst.dropped = this.instance.element; //draggable revert needs that - //hack so receive/update callbacks work (mostly) - inst.currentItem = inst.element; - this.instance.fromOutside = inst; - - } - - //Provided we did all the previous steps, we can fire the drag event of the sortable on every draggable drag, when it intersects with the sortable - if(this.instance.currentItem) this.instance._mouseDrag(event); - - } else { - - //If it doesn't intersect with the sortable, and it intersected before, - //we fake the drag stop of the sortable, but make sure it doesn't remove the helper by using cancelHelperRemoval - if(this.instance.isOver) { - - this.instance.isOver = 0; - this.instance.cancelHelperRemoval = true; - - //Prevent reverting on this forced stop - this.instance.options.revert = false; - - // The out event needs to be triggered independently - this.instance._trigger('out', event, this.instance._uiHash(this.instance)); - - this.instance._mouseStop(event, true); - this.instance.options.helper = this.instance.options._helper; - - //Now we remove our currentItem, the list group clone again, and the placeholder, and animate the helper back to it's original size - this.instance.currentItem.remove(); - if(this.instance.placeholder) this.instance.placeholder.remove(); - - inst._trigger("fromSortable", event); - inst.dropped = false; //draggable revert needs that - } - - }; - - }); - - } -}); - -$.ui.plugin.add("draggable", "cursor", { - start: function(event, ui) { - var t = $('body'), o = $(this).data('draggable').options; - if (t.css("cursor")) o._cursor = t.css("cursor"); - t.css("cursor", o.cursor); - }, - stop: function(event, ui) { - var o = $(this).data('draggable').options; - if (o._cursor) $('body').css("cursor", o._cursor); - } -}); - -$.ui.plugin.add("draggable", "iframeFix", { - start: function(event, ui) { - var o = $(this).data('draggable').options; - $(o.iframeFix === true ? "iframe" : o.iframeFix).each(function() { - $('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>') - .css({ - width: this.offsetWidth+"px", height: this.offsetHeight+"px", - position: "absolute", opacity: "0.001", zIndex: 1000 - }) - .css($(this).offset()) - .appendTo("body"); - }); - }, - stop: function(event, ui) { - $("div.ui-draggable-iframeFix").each(function() { this.parentNode.removeChild(this); }); //Remove frame helpers - } -}); - -$.ui.plugin.add("draggable", "opacity", { - start: function(event, ui) { - var t = $(ui.helper), o = $(this).data('draggable').options; - if(t.css("opacity")) o._opacity = t.css("opacity"); - t.css('opacity', o.opacity); - }, - stop: function(event, ui) { - var o = $(this).data('draggable').options; - if(o._opacity) $(ui.helper).css('opacity', o._opacity); - } -}); - -$.ui.plugin.add("draggable", "scroll", { - start: function(event, ui) { - var i = $(this).data("draggable"); - if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') i.overflowOffset = i.scrollParent.offset(); - }, - drag: function(event, ui) { - - var i = $(this).data("draggable"), o = i.options, scrolled = false; - - if(i.scrollParent[0] != document && i.scrollParent[0].tagName != 'HTML') { - - if(!o.axis || o.axis != 'x') { - if((i.overflowOffset.top + i.scrollParent[0].offsetHeight) - event.pageY < o.scrollSensitivity) - i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop + o.scrollSpeed; - else if(event.pageY - i.overflowOffset.top < o.scrollSensitivity) - i.scrollParent[0].scrollTop = scrolled = i.scrollParent[0].scrollTop - o.scrollSpeed; - } - - if(!o.axis || o.axis != 'y') { - if((i.overflowOffset.left + i.scrollParent[0].offsetWidth) - event.pageX < o.scrollSensitivity) - i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft + o.scrollSpeed; - else if(event.pageX - i.overflowOffset.left < o.scrollSensitivity) - i.scrollParent[0].scrollLeft = scrolled = i.scrollParent[0].scrollLeft - o.scrollSpeed; - } - - } else { - - if(!o.axis || o.axis != 'x') { - if(event.pageY - $(document).scrollTop() < o.scrollSensitivity) - scrolled = $(document).scrollTop($(document).scrollTop() - o.scrollSpeed); - else if($(window).height() - (event.pageY - $(document).scrollTop()) < o.scrollSensitivity) - scrolled = $(document).scrollTop($(document).scrollTop() + o.scrollSpeed); - } - - if(!o.axis || o.axis != 'y') { - if(event.pageX - $(document).scrollLeft() < o.scrollSensitivity) - scrolled = $(document).scrollLeft($(document).scrollLeft() - o.scrollSpeed); - else if($(window).width() - (event.pageX - $(document).scrollLeft()) < o.scrollSensitivity) - scrolled = $(document).scrollLeft($(document).scrollLeft() + o.scrollSpeed); - } - - } - - if(scrolled !== false && $.ui.ddmanager && !o.dropBehaviour) - $.ui.ddmanager.prepareOffsets(i, event); - - } -}); - -$.ui.plugin.add("draggable", "snap", { - start: function(event, ui) { - - var i = $(this).data("draggable"), o = i.options; - i.snapElements = []; - - $(o.snap.constructor != String ? ( o.snap.items || ':data(draggable)' ) : o.snap).each(function() { - var $t = $(this); var $o = $t.offset(); - if(this != i.element[0]) i.snapElements.push({ - item: this, - width: $t.outerWidth(), height: $t.outerHeight(), - top: $o.top, left: $o.left - }); - }); - - }, - drag: function(event, ui) { - - var inst = $(this).data("draggable"), o = inst.options; - var d = o.snapTolerance; - - var x1 = ui.offset.left, x2 = x1 + inst.helperProportions.width, - y1 = ui.offset.top, y2 = y1 + inst.helperProportions.height; - - for (var i = inst.snapElements.length - 1; i >= 0; i--){ - - var l = inst.snapElements[i].left, r = l + inst.snapElements[i].width, - t = inst.snapElements[i].top, b = t + inst.snapElements[i].height; - - //Yes, I know, this is insane ;) - if(!((l-d < x1 && x1 < r+d && t-d < y1 && y1 < b+d) || (l-d < x1 && x1 < r+d && t-d < y2 && y2 < b+d) || (l-d < x2 && x2 < r+d && t-d < y1 && y1 < b+d) || (l-d < x2 && x2 < r+d && t-d < y2 && y2 < b+d))) { - if(inst.snapElements[i].snapping) (inst.options.snap.release && inst.options.snap.release.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); - inst.snapElements[i].snapping = false; - continue; - } - - if(o.snapMode != 'inner') { - var ts = Math.abs(t - y2) <= d; - var bs = Math.abs(b - y1) <= d; - var ls = Math.abs(l - x2) <= d; - var rs = Math.abs(r - x1) <= d; - if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t - inst.helperProportions.height, left: 0 }).top - inst.margins.top; - if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b, left: 0 }).top - inst.margins.top; - if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l - inst.helperProportions.width }).left - inst.margins.left; - if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r }).left - inst.margins.left; - } - - var first = (ts || bs || ls || rs); - - if(o.snapMode != 'outer') { - var ts = Math.abs(t - y1) <= d; - var bs = Math.abs(b - y2) <= d; - var ls = Math.abs(l - x1) <= d; - var rs = Math.abs(r - x2) <= d; - if(ts) ui.position.top = inst._convertPositionTo("relative", { top: t, left: 0 }).top - inst.margins.top; - if(bs) ui.position.top = inst._convertPositionTo("relative", { top: b - inst.helperProportions.height, left: 0 }).top - inst.margins.top; - if(ls) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: l }).left - inst.margins.left; - if(rs) ui.position.left = inst._convertPositionTo("relative", { top: 0, left: r - inst.helperProportions.width }).left - inst.margins.left; - } - - if(!inst.snapElements[i].snapping && (ts || bs || ls || rs || first)) - (inst.options.snap.snap && inst.options.snap.snap.call(inst.element, event, $.extend(inst._uiHash(), { snapItem: inst.snapElements[i].item }))); - inst.snapElements[i].snapping = (ts || bs || ls || rs || first); - - }; - - } -}); - -$.ui.plugin.add("draggable", "stack", { - start: function(event, ui) { - - var o = $(this).data("draggable").options; - - var group = $.makeArray($(o.stack.group)).sort(function(a,b) { - return (parseInt($(a).css("zIndex"),10) || o.stack.min) - (parseInt($(b).css("zIndex"),10) || o.stack.min); - }); - - $(group).each(function(i) { - this.style.zIndex = o.stack.min + i; - }); - - this[0].style.zIndex = o.stack.min + group.length; - - } -}); - -$.ui.plugin.add("draggable", "zIndex", { - start: function(event, ui) { - var t = $(ui.helper), o = $(this).data("draggable").options; - if(t.css("zIndex")) o._zIndex = t.css("zIndex"); - t.css('zIndex', o.zIndex); - }, - stop: function(event, ui) { - var o = $(this).data("draggable").options; - if(o._zIndex) $(ui.helper).css('zIndex', o._zIndex); - } -}); - -})(jQuery); |