forked from GNUsocial/gnu-social
		
	
		
			
				
	
	
		
			798 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			798 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /*
 | |
|  * jQuery UI Draggable 1.8.10
 | |
|  *
 | |
|  * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
 | |
|  * Dual licensed under the MIT or GPL Version 2 licenses.
 | |
|  * http://jquery.org/license
 | |
|  *
 | |
|  * http://docs.jquery.com/UI/Draggables
 | |
|  *
 | |
|  * Depends:
 | |
|  *	jquery.ui.core.js
 | |
|  *	jquery.ui.mouse.js
 | |
|  *	jquery.ui.widget.js
 | |
|  */
 | |
| (function( $, undefined ) {
 | |
| 
 | |
| $.widget("ui.draggable", $.ui.mouse, {
 | |
| 	widgetEventPrefix: "drag",
 | |
| 	options: {
 | |
| 		addClasses: true,
 | |
| 		appendTo: "parent",
 | |
| 		axis: false,
 | |
| 		connectToSortable: false,
 | |
| 		containment: false,
 | |
| 		cursor: "auto",
 | |
| 		cursorAt: false,
 | |
| 		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
 | |
| 	},
 | |
| 	_create: 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();
 | |
| 
 | |
| 		return this;
 | |
| 	},
 | |
| 
 | |
| 	_mouseCapture: function(event) {
 | |
| 
 | |
| 		var o = this.options;
 | |
| 
 | |
| 		// among others, prevent a drag on a resizable-handle
 | |
| 		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.positionAbs = this.element.offset();
 | |
| 		this.offset = {
 | |
| 			top: this.offset.top - this.margins.top,
 | |
| 			left: this.offset.left - this.margins.left
 | |
| 		};
 | |
| 
 | |
| 		$.extend(this.offset, {
 | |
| 			click: { //Where the click happened, relative to the element
 | |
| 				left: event.pageX - this.offset.left,
 | |
| 				top: event.pageY - this.offset.top
 | |
| 			},
 | |
| 			parent: this._getParentOffset(),
 | |
| 			relative: this._getRelativeOffset() //This is a relative to absolute position minus the actual position calculation - only used for relative positioned helper
 | |
| 		});
 | |
| 
 | |
| 		//Generate the original position
 | |
| 		this.originalPosition = this.position = this._generatePosition(event);
 | |
| 		this.originalPageX = event.pageX;
 | |
| 		this.originalPageY = event.pageY;
 | |
| 
 | |
| 		//Adjust the mouse offset relative to the helper if 'cursorAt' is supplied
 | |
| 		(o.cursorAt && this._adjustOffsetFromHelper(o.cursorAt));
 | |
| 
 | |
| 		//Set a containment if given in the options
 | |
| 		if(o.containment)
 | |
| 			this._setContainment();
 | |
| 
 | |
| 		//Trigger event + callbacks
 | |
| 		if(this._trigger("start", event) === false) {
 | |
| 			this._clear();
 | |
| 			return false;
 | |
| 		}
 | |
| 
 | |
| 		//Recache the helper size
 | |
| 		this._cacheHelperProportions();
 | |
| 
 | |
| 		//Prepare the droppable offsets
 | |
| 		if ($.ui.ddmanager && !o.dropBehaviour)
 | |
| 			$.ui.ddmanager.prepareOffsets(this, event);
 | |
| 
 | |
| 		this.helper.addClass("ui-draggable-dragging");
 | |
| 		this._mouseDrag(event, true); //Execute the drag once - this causes the helper not to be visible before getting its correct position
 | |
| 		return true;
 | |
| 	},
 | |
| 
 | |
| 	_mouseDrag: function(event, noPropagation) {
 | |
| 
 | |
| 		//Compute the helpers position
 | |
| 		this.position = this._generatePosition(event);
 | |
| 		this.positionAbs = this._convertPositionTo("absolute");
 | |
| 
 | |
| 		//Call plugins and callbacks and use the resulting position if something is returned
 | |
| 		if (!noPropagation) {
 | |
| 			var ui = this._uiHash();
 | |
| 			if(this._trigger('drag', event, ui) === false) {
 | |
| 				this._mouseUp({});
 | |
| 				return false;
 | |
| 			}
 | |
| 			this.position = ui.position;
 | |
| 		}
 | |
| 
 | |
| 		if(!this.options.axis || this.options.axis != "y") this.helper[0].style.left = this.position.left+'px';
 | |
| 		if(!this.options.axis || this.options.axis != "x") this.helper[0].style.top = this.position.top+'px';
 | |
| 		if($.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 = $.ui.ddmanager.drop(this, event);
 | |
| 
 | |
| 		//if a drop comes from outside (a sortable)
 | |
| 		if(this.dropped) {
 | |
| 			dropped = this.dropped;
 | |
| 			this.dropped = false;
 | |
| 		}
 | |
| 		
 | |
| 		//if the original element is removed, don't bother to continue if helper is set to "original"
 | |
| 		if((!this.element[0] || !this.element[0].parentNode) && this.options.helper == "original")
 | |
| 			return false;
 | |
| 
 | |
| 		if((this.options.revert == "invalid" && !dropped) || (this.options.revert == "valid" && dropped) || this.options.revert === true || ($.isFunction(this.options.revert) && this.options.revert.call(this.element, dropped))) {
 | |
| 			var self = this;
 | |
| 			$(this.helper).animate(this.originalPosition, parseInt(this.options.revertDuration, 10), function() {
 | |
| 				if(self._trigger("stop", event) !== false) {
 | |
| 					self._clear();
 | |
| 				}
 | |
| 			});
 | |
| 		} else {
 | |
| 			if(this._trigger("stop", event) !== false) {
 | |
| 				this._clear();
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		return false;
 | |
| 	},
 | |
| 	
 | |
| 	cancel: function() {
 | |
| 		
 | |
| 		if(this.helper.is(".ui-draggable-dragging")) {
 | |
| 			this._mouseUp({});
 | |
| 		} else {
 | |
| 			this._clear();
 | |
| 		}
 | |
| 		
 | |
| 		return this;
 | |
| 		
 | |
| 	},
 | |
| 
 | |
| 	_getHandle: function(event) {
 | |
| 
 | |
| 		var handle = !this.options.handle || !$(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) ? $(o.helper.apply(this.element[0], [event])) : (o.helper == 'clone' ? this.element.clone() : this.element);
 | |
| 
 | |
| 		if(!helper.parents('body').length)
 | |
| 			helper.appendTo((o.appendTo == 'parent' ? this.element[0].parentNode : o.appendTo));
 | |
| 
 | |
| 		if(helper[0] != this.element[0] && !(/(fixed|absolute)/).test(helper.css("position")))
 | |
| 			helper.css("position", "absolute");
 | |
| 
 | |
| 		return helper;
 | |
| 
 | |
| 	},
 | |
| 
 | |
| 	_adjustOffsetFromHelper: function(obj) {
 | |
| 		if (typeof obj == 'string') {
 | |
| 			obj = obj.split(' ');
 | |
| 		}
 | |
| 		if ($.isArray(obj)) {
 | |
| 			obj = {left: +obj[0], top: +obj[1] || 0};
 | |
| 		}
 | |
| 		if ('left' in obj) {
 | |
| 			this.offset.click.left = obj.left + this.margins.left;
 | |
| 		}
 | |
| 		if ('right' in obj) {
 | |
| 			this.offset.click.left = this.helperProportions.width - obj.right + this.margins.left;
 | |
| 		}
 | |
| 		if ('top' in obj) {
 | |
| 			this.offset.click.top = obj.top + this.margins.top;
 | |
| 		}
 | |
| 		if ('bottom' in obj) {
 | |
| 			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 = [
 | |
| 			(o.containment == 'document' ? 0 : $(window).scrollLeft()) - this.offset.relative.left - this.offset.parent.left,
 | |
| 			(o.containment == 'document' ? 0 : $(window).scrollTop()) - this.offset.relative.top - this.offset.parent.top,
 | |
| 			(o.containment == 'document' ? 0 : $(window).scrollLeft()) + $(o.containment == 'document' ? document : window).width() - this.helperProportions.width - this.margins.left,
 | |
| 			(o.containment == 'document' ? 0 : $(window).scrollTop()) + ($(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 && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ) * mod)
 | |
| 			),
 | |
| 			left: (
 | |
| 				pos.left																// The absolute mouse position
 | |
| 				+ this.offset.relative.left * mod										// Only for relative positioned nodes: Relative offset from element to offset parent
 | |
| 				+ this.offset.parent.left * mod											// The offsetParent's offset without borders (offset + border)
 | |
| 				- ($.browser.safari && $.browser.version < 526 && 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);
 | |
| 		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 && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollTop() : ( scrollIsRootNode ? 0 : scroll.scrollTop() ) ))
 | |
| 			),
 | |
| 			left: (
 | |
| 				pageX																// The absolute mouse position
 | |
| 				- this.offset.click.left												// Click offset (relative to the element)
 | |
| 				- this.offset.relative.left												// Only for relative positioned nodes: Relative offset from element to offset parent
 | |
| 				- this.offset.parent.left												// The offsetParent's offset without borders (offset + border)
 | |
| 				+ ($.browser.safari && $.browser.version < 526 && this.cssPosition == 'fixed' ? 0 : ( this.cssPosition == 'fixed' ? -this.scrollParent.scrollLeft() : scrollIsRootNode ? 0 : scroll.scrollLeft() ))
 | |
| 			)
 | |
| 		};
 | |
| 
 | |
| 	},
 | |
| 
 | |
| 	_clear: function() {
 | |
| 		this.helper.removeClass("ui-draggable-dragging");
 | |
| 		if(this.helper[0] != this.element[0] && !this.cancelHelperRemoval) this.helper.remove();
 | |
| 		//if($.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,
 | |
| 			originalPosition: this.originalPosition,
 | |
| 			offset: this.positionAbs
 | |
| 		};
 | |
| 	}
 | |
| 
 | |
| });
 | |
| 
 | |
| $.extend($.ui.draggable, {
 | |
| 	version: "1.8.10"
 | |
| });
 | |
| 
 | |
| $.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)).sort(function(a,b) {
 | |
| 			return (parseInt($(a).css("zIndex"),10) || 0) - (parseInt($(b).css("zIndex"),10) || 0);
 | |
| 		});
 | |
| 		if (!group.length) { return; }
 | |
| 		
 | |
| 		var min = parseInt(group[0].style.zIndex) || 0;
 | |
| 		$(group).each(function(i) {
 | |
| 			this.style.zIndex = min + i;
 | |
| 		});
 | |
| 
 | |
| 		this[0].style.zIndex = 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);
 |