", + options: { + disabled: false, + + // callbacks + create: null + }, + _createWidget: function( options, element ) { + element = $( element || this.defaultElement || this )[ 0 ]; + this.element = $( element ); + this.uuid = widget_uuid++; + this.eventNamespace = "." + this.widgetName + this.uuid; + + this.bindings = $(); + this.hoverable = $(); + this.focusable = $(); + + if ( element !== this ) { + $.data( element, this.widgetFullName, this ); + this._on( true, this.element, { + remove: function( event ) { + if ( event.target === element ) { + this.destroy(); + } + } + }); + this.document = $( element.style ? + // element within the document + element.ownerDocument : + // element is window or document + element.document || element ); + this.window = $( this.document[0].defaultView || this.document[0].parentWindow ); + } + + this.options = $.widget.extend( {}, + this.options, + this._getCreateOptions(), + options ); + + this._create(); + this._trigger( "create", null, this._getCreateEventData() ); + this._init(); + }, + _getCreateOptions: $.noop, + _getCreateEventData: $.noop, + _create: $.noop, + _init: $.noop, + + destroy: function() { + this._destroy(); + // we can probably remove the unbind calls in 2.0 + // all event bindings should go through this._on() + this.element + .unbind( this.eventNamespace ) + .removeData( this.widgetFullName ); + this.widget() + .unbind( this.eventNamespace ) + .removeAttr( "aria-disabled" ) + .removeClass( + this.widgetFullName + "-disabled " + + "ui-state-disabled" ); + + // clean up events and states + this.bindings.unbind( this.eventNamespace ); + this.hoverable.removeClass( "ui-state-hover" ); + this.focusable.removeClass( "ui-state-focus" ); + }, + _destroy: $.noop, + + widget: function() { + return this.element; + }, + + option: function( key, value ) { + var options = key, + parts, + curOption, + i; + + if ( arguments.length === 0 ) { + // don't return a reference to the internal hash + return $.widget.extend( {}, this.options ); + } + + if ( typeof key === "string" ) { + // handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } } + options = {}; + parts = key.split( "." ); + key = parts.shift(); + if ( parts.length ) { + curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] ); + for ( i = 0; i < parts.length - 1; i++ ) { + curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {}; + curOption = curOption[ parts[ i ] ]; + } + key = parts.pop(); + if ( arguments.length === 1 ) { + return curOption[ key ] === undefined ? null : curOption[ key ]; + } + curOption[ key ] = value; + } else { + if ( arguments.length === 1 ) { + return this.options[ key ] === undefined ? null : this.options[ key ]; + } + options[ key ] = value; + } + } + + this._setOptions( options ); + + return this; + }, + _setOptions: function( options ) { + var key; + + for ( key in options ) { + this._setOption( key, options[ key ] ); + } + + return this; + }, + _setOption: function( key, value ) { + this.options[ key ] = value; + + if ( key === "disabled" ) { + this.widget() + .toggleClass( this.widgetFullName + "-disabled", !!value ); + + // If the widget is becoming disabled, then nothing is interactive + if ( value ) { + this.hoverable.removeClass( "ui-state-hover" ); + this.focusable.removeClass( "ui-state-focus" ); + } + } + + return this; + }, + + enable: function() { + return this._setOptions({ disabled: false }); + }, + disable: function() { + return this._setOptions({ disabled: true }); + }, + + _on: function( suppressDisabledCheck, element, handlers ) { + var delegateElement, + instance = this; + + // no suppressDisabledCheck flag, shuffle arguments + if ( typeof suppressDisabledCheck !== "boolean" ) { + handlers = element; + element = suppressDisabledCheck; + suppressDisabledCheck = false; + } + + // no element argument, shuffle and use this.element + if ( !handlers ) { + handlers = element; + element = this.element; + delegateElement = this.widget(); + } else { + element = delegateElement = $( element ); + this.bindings = this.bindings.add( element ); + } + + $.each( handlers, function( event, handler ) { + function handlerProxy() { + // allow widgets to customize the disabled handling + // - disabled as an array instead of boolean + // - disabled class as method for disabling individual parts + if ( !suppressDisabledCheck && + ( instance.options.disabled === true || + $( this ).hasClass( "ui-state-disabled" ) ) ) { + return; + } + return ( typeof handler === "string" ? instance[ handler ] : handler ) + .apply( instance, arguments ); + } + + // copy the guid so direct unbinding works + if ( typeof handler !== "string" ) { + handlerProxy.guid = handler.guid = + handler.guid || handlerProxy.guid || $.guid++; + } + + var match = event.match( /^([\w:-]*)\s*(.*)$/ ), + eventName = match[1] + instance.eventNamespace, + selector = match[2]; + if ( selector ) { + delegateElement.delegate( selector, eventName, handlerProxy ); + } else { + element.bind( eventName, handlerProxy ); + } + }); + }, + + _off: function( element, eventName ) { + eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) + + this.eventNamespace; + element.unbind( eventName ).undelegate( eventName ); + + // Clear the stack to avoid memory leaks (#10056) + this.bindings = $( this.bindings.not( element ).get() ); + this.focusable = $( this.focusable.not( element ).get() ); + this.hoverable = $( this.hoverable.not( element ).get() ); + }, + + _delay: function( handler, delay ) { + function handlerProxy() { + return ( typeof handler === "string" ? instance[ handler ] : handler ) + .apply( instance, arguments ); + } + var instance = this; + return setTimeout( handlerProxy, delay || 0 ); + }, + + _hoverable: function( element ) { + this.hoverable = this.hoverable.add( element ); + this._on( element, { + mouseenter: function( event ) { + $( event.currentTarget ).addClass( "ui-state-hover" ); + }, + mouseleave: function( event ) { + $( event.currentTarget ).removeClass( "ui-state-hover" ); + } + }); + }, + + _focusable: function( element ) { + this.focusable = this.focusable.add( element ); + this._on( element, { + focusin: function( event ) { + $( event.currentTarget ).addClass( "ui-state-focus" ); + }, + focusout: function( event ) { + $( event.currentTarget ).removeClass( "ui-state-focus" ); + } + }); + }, + + _trigger: function( type, event, data ) { + var prop, orig, + callback = this.options[ type ]; + + data = data || {}; + event = $.Event( event ); + event.type = ( type === this.widgetEventPrefix ? + type : + this.widgetEventPrefix + type ).toLowerCase(); + // the original event may come from any element + // so we need to reset the target on the new event + event.target = this.element[ 0 ]; + + // copy original event properties over to the new event + orig = event.originalEvent; + if ( orig ) { + for ( prop in orig ) { + if ( !( prop in event ) ) { + event[ prop ] = orig[ prop ]; + } + } + } + + this.element.trigger( event, data ); + return !( $.isFunction( callback ) && + callback.apply( this.element[0], [ event ].concat( data ) ) === false || + event.isDefaultPrevented() ); + } +}; + +$.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) { + $.Widget.prototype[ "_" + method ] = function( element, options, callback ) { + if ( typeof options === "string" ) { + options = { effect: options }; + } + var hasOptions, + effectName = !options ? + method : + options === true || typeof options === "number" ? + defaultEffect : + options.effect || defaultEffect; + options = options || {}; + if ( typeof options === "number" ) { + options = { duration: options }; + } + hasOptions = !$.isEmptyObject( options ); + options.complete = callback; + if ( options.delay ) { + element.delay( options.delay ); + } + if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) { + element[ method ]( options ); + } else if ( effectName !== method && element[ effectName ] ) { + element[ effectName ]( options.duration, options.easing, callback ); + } else { + element.queue(function( next ) { + $( this )[ method ](); + if ( callback ) { + callback.call( element[ 0 ] ); + } + next(); + }); + } + }; +}); + +var widget = $.widget; + + +/*! + * jQuery UI Mouse 1.12.0-pre + * http://jqueryui.com + * + * Copyright jQuery Foundation and other contributors + * Released under the MIT license. + * http://jquery.org/license + */ + +//>>label: Mouse +//>>group: UI Core +//>>description: Abstracts mouse-based interactions to assist in creating certain widgets. +//>>docs: http://api.jqueryui.com/mouse/ + + + +var mouseHandled = false; +$( document ).mouseup( function() { + mouseHandled = false; +}); + +var mouse = $.widget("ui.mouse", { + version: "1.12.0-pre", + options: { + cancel: "input,textarea,button,select,option", + distance: 1, + delay: 0 + }, + _mouseInit: function() { + var that = this; + + this.element + .bind("mousedown." + this.widgetName, function(event) { + return that._mouseDown(event); + }) + .bind("click." + this.widgetName, function(event) { + if (true === $.data(event.target, that.widgetName + ".preventClickEvent")) { + $.removeData(event.target, that.widgetName + ".preventClickEvent"); + event.stopImmediatePropagation(); + return false; + } + }); + + this.started = false; + }, + + // TODO: make sure destroying one instance of mouse doesn't mess with + // other instances of mouse + _mouseDestroy: function() { + this.element.unbind("." + this.widgetName); + if ( this._mouseMoveDelegate ) { + this.document + .unbind("mousemove." + this.widgetName, this._mouseMoveDelegate) + .unbind("mouseup." + this.widgetName, this._mouseUpDelegate); + } + }, + + _mouseDown: function(event) { + // don't let more than one widget handle mouseStart + if ( mouseHandled ) { + return; + } + + this._mouseMoved = false; + + // we may have missed mouseup (out of window) + (this._mouseStarted && this._mouseUp(event)); + + this._mouseDownEvent = event; + + var that = this, + btnIsLeft = (event.which === 1), + // event.target.nodeName works around a bug in IE 8 with + // disabled inputs (#7620) + elIsCancel = (typeof this.options.cancel === "string" && event.target.nodeName ? $(event.target).closest(this.options.cancel).length : false); + if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) { + return true; + } + + this.mouseDelayMet = !this.options.delay; + if (!this.mouseDelayMet) { + this._mouseDelayTimer = setTimeout(function() { + that.mouseDelayMet = true; + }, this.options.delay); + } + + if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) { + this._mouseStarted = (this._mouseStart(event) !== false); + if (!this._mouseStarted) { + event.preventDefault(); + return true; + } + } + + // Click event may never have fired (Gecko & Opera) + if (true === $.data(event.target, this.widgetName + ".preventClickEvent")) { + $.removeData(event.target, this.widgetName + ".preventClickEvent"); + } + + // these delegates are required to keep context + this._mouseMoveDelegate = function(event) { + return that._mouseMove(event); + }; + this._mouseUpDelegate = function(event) { + return that._mouseUp(event); + }; + + this.document + .bind( "mousemove." + this.widgetName, this._mouseMoveDelegate ) + .bind( "mouseup." + this.widgetName, this._mouseUpDelegate ); + + event.preventDefault(); + + mouseHandled = true; + return true; + }, + + _mouseMove: function(event) { + // Only check for mouseups outside the document if you've moved inside the document + // at least once. This prevents the firing of mouseup in the case of IE<9, which will + // fire a mousemove event if content is placed under the cursor. See #7778 + // Support: IE <9 + if ( this._mouseMoved ) { + // IE mouseup check - mouseup happened when mouse was out of window + if ($.ui.ie && ( !document.documentMode || document.documentMode < 9 ) && !event.button) { + return this._mouseUp(event); + + // Iframe mouseup check - mouseup occurred in another document + } else if ( !event.which ) { + return this._mouseUp( event ); + } + } + + if ( event.which || event.button ) { + this._mouseMoved = true; + } + + if (this._mouseStarted) { + this._mouseDrag(event); + return event.preventDefault(); + } + + if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) { + this._mouseStarted = + (this._mouseStart(this._mouseDownEvent, event) !== false); + (this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event)); + } + + return !this._mouseStarted; + }, + + _mouseUp: function(event) { + this.document + .unbind( "mousemove." + this.widgetName, this._mouseMoveDelegate ) + .unbind( "mouseup." + this.widgetName, this._mouseUpDelegate ); + + if (this._mouseStarted) { + this._mouseStarted = false; + + if (event.target === this._mouseDownEvent.target) { + $.data(event.target, this.widgetName + ".preventClickEvent", true); + } + + this._mouseStop(event); + } + + mouseHandled = false; + return false; + }, + + _mouseDistanceMet: function(event) { + return (Math.max( + Math.abs(this._mouseDownEvent.pageX - event.pageX), + Math.abs(this._mouseDownEvent.pageY - event.pageY) + ) >= this.options.distance + ); + }, + + _mouseDelayMet: function(/* event */) { + return this.mouseDelayMet; + }, + + // These are placeholder methods, to be overriden by extending plugin + _mouseStart: function(/* event */) {}, + _mouseDrag: function(/* event */) {}, + _mouseStop: function(/* event */) {}, + _mouseCapture: function(/* event */) { return true; } +}); + + +/*! + * jQuery UI Position 1.12.0-pre + * http://jqueryui.com + * + * Copyright jQuery Foundation and other contributors + * Released under the MIT license. + * http://jquery.org/license + * + * http://api.jqueryui.com/position/ + */ + +//>>label: Position +//>>group: UI Core +//>>description: Positions elements relative to other elements. +//>>docs: http://api.jqueryui.com/position/ +//>>demos: http://jqueryui.com/position/ + + +(function() { + +$.ui = $.ui || {}; + +var cachedScrollbarWidth, supportsOffsetFractions, + max = Math.max, + abs = Math.abs, + round = Math.round, + rhorizontal = /left|center|right/, + rvertical = /top|center|bottom/, + roffset = /[\+\-]\d+(\.[\d]+)?%?/, + rposition = /^\w+/, + rpercent = /%$/, + _position = $.fn.position; + +function getOffsets( offsets, width, height ) { + return [ + parseFloat( offsets[ 0 ] ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ), + parseFloat( offsets[ 1 ] ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 ) + ]; +} + +function parseCss( element, property ) { + return parseInt( $.css( element, property ), 10 ) || 0; +} + +function getDimensions( elem ) { + var raw = elem[0]; + if ( raw.nodeType === 9 ) { + return { + width: elem.width(), + height: elem.height(), + offset: { top: 0, left: 0 } + }; + } + if ( $.isWindow( raw ) ) { + return { + width: elem.width(), + height: elem.height(), + offset: { top: elem.scrollTop(), left: elem.scrollLeft() } + }; + } + if ( raw.preventDefault ) { + return { + width: 0, + height: 0, + offset: { top: raw.pageY, left: raw.pageX } + }; + } + return { + width: elem.outerWidth(), + height: elem.outerHeight(), + offset: elem.offset() + }; +} + +$.position = { + scrollbarWidth: function() { + if ( cachedScrollbarWidth !== undefined ) { + return cachedScrollbarWidth; + } + var w1, w2, + div = $( "" ), + innerDiv = div.children()[0]; + + $( "body" ).append( div ); + w1 = innerDiv.offsetWidth; + div.css( "overflow", "scroll" ); + + w2 = innerDiv.offsetWidth; + + if ( w1 === w2 ) { + w2 = div[0].clientWidth; + } + + div.remove(); + + return (cachedScrollbarWidth = w1 - w2); + }, + getScrollInfo: function( within ) { + var overflowX = within.isWindow || within.isDocument ? "" : + within.element.css( "overflow-x" ), + overflowY = within.isWindow || within.isDocument ? "" : + within.element.css( "overflow-y" ), + hasOverflowX = overflowX === "scroll" || + ( overflowX === "auto" && within.width < within.element[0].scrollWidth ), + hasOverflowY = overflowY === "scroll" || + ( overflowY === "auto" && within.height < within.element[0].scrollHeight ); + return { + width: hasOverflowY ? $.position.scrollbarWidth() : 0, + height: hasOverflowX ? $.position.scrollbarWidth() : 0 + }; + }, + getWithinInfo: function( element ) { + var withinElement = $( element || window ), + isWindow = $.isWindow( withinElement[0] ), + isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9; + return { + element: withinElement, + isWindow: isWindow, + isDocument: isDocument, + offset: withinElement.offset() || { left: 0, top: 0 }, + scrollLeft: withinElement.scrollLeft(), + scrollTop: withinElement.scrollTop(), + width: withinElement.outerWidth(), + height: withinElement.outerHeight() + }; + } +}; + +$.fn.position = function( options ) { + if ( !options || !options.of ) { + return _position.apply( this, arguments ); + } + + // make a copy, we don't want to modify arguments + options = $.extend( {}, options ); + + var atOffset, targetWidth, targetHeight, targetOffset, basePosition, dimensions, + target = $( options.of ), + within = $.position.getWithinInfo( options.within ), + scrollInfo = $.position.getScrollInfo( within ), + collision = ( options.collision || "flip" ).split( " " ), + offsets = {}; + + dimensions = getDimensions( target ); + if ( target[0].preventDefault ) { + // force left top to allow flipping + options.at = "left top"; + } + targetWidth = dimensions.width; + targetHeight = dimensions.height; + targetOffset = dimensions.offset; + // clone to reuse original targetOffset later + basePosition = $.extend( {}, targetOffset ); + + // force my and at to have valid horizontal and vertical positions + // if a value is missing or invalid, it will be converted to center + $.each( [ "my", "at" ], function() { + var pos = ( options[ this ] || "" ).split( " " ), + horizontalOffset, + verticalOffset; + + if ( pos.length === 1) { + pos = rhorizontal.test( pos[ 0 ] ) ? + pos.concat( [ "center" ] ) : + rvertical.test( pos[ 0 ] ) ? + [ "center" ].concat( pos ) : + [ "center", "center" ]; + } + pos[ 0 ] = rhorizontal.test( pos[ 0 ] ) ? pos[ 0 ] : "center"; + pos[ 1 ] = rvertical.test( pos[ 1 ] ) ? pos[ 1 ] : "center"; + + // calculate offsets + horizontalOffset = roffset.exec( pos[ 0 ] ); + verticalOffset = roffset.exec( pos[ 1 ] ); + offsets[ this ] = [ + horizontalOffset ? horizontalOffset[ 0 ] : 0, + verticalOffset ? verticalOffset[ 0 ] : 0 + ]; + + // reduce to just the positions without the offsets + options[ this ] = [ + rposition.exec( pos[ 0 ] )[ 0 ], + rposition.exec( pos[ 1 ] )[ 0 ] + ]; + }); + + // normalize collision option + if ( collision.length === 1 ) { + collision[ 1 ] = collision[ 0 ]; + } + + if ( options.at[ 0 ] === "right" ) { + basePosition.left += targetWidth; + } else if ( options.at[ 0 ] === "center" ) { + basePosition.left += targetWidth / 2; + } + + if ( options.at[ 1 ] === "bottom" ) { + basePosition.top += targetHeight; + } else if ( options.at[ 1 ] === "center" ) { + basePosition.top += targetHeight / 2; + } + + atOffset = getOffsets( offsets.at, targetWidth, targetHeight ); + basePosition.left += atOffset[ 0 ]; + basePosition.top += atOffset[ 1 ]; + + return this.each(function() { + var collisionPosition, using, + elem = $( this ), + elemWidth = elem.outerWidth(), + elemHeight = elem.outerHeight(), + marginLeft = parseCss( this, "marginLeft" ), + marginTop = parseCss( this, "marginTop" ), + collisionWidth = elemWidth + marginLeft + parseCss( this, "marginRight" ) + scrollInfo.width, + collisionHeight = elemHeight + marginTop + parseCss( this, "marginBottom" ) + scrollInfo.height, + position = $.extend( {}, basePosition ), + myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() ); + + if ( options.my[ 0 ] === "right" ) { + position.left -= elemWidth; + } else if ( options.my[ 0 ] === "center" ) { + position.left -= elemWidth / 2; + } + + if ( options.my[ 1 ] === "bottom" ) { + position.top -= elemHeight; + } else if ( options.my[ 1 ] === "center" ) { + position.top -= elemHeight / 2; + } + + position.left += myOffset[ 0 ]; + position.top += myOffset[ 1 ]; + + // if the browser doesn't support fractions, then round for consistent results + if ( !supportsOffsetFractions ) { + position.left = round( position.left ); + position.top = round( position.top ); + } + + collisionPosition = { + marginLeft: marginLeft, + marginTop: marginTop + }; + + $.each( [ "left", "top" ], function( i, dir ) { + if ( $.ui.position[ collision[ i ] ] ) { + $.ui.position[ collision[ i ] ][ dir ]( position, { + targetWidth: targetWidth, + targetHeight: targetHeight, + elemWidth: elemWidth, + elemHeight: elemHeight, + collisionPosition: collisionPosition, + collisionWidth: collisionWidth, + collisionHeight: collisionHeight, + offset: [ atOffset[ 0 ] + myOffset[ 0 ], atOffset [ 1 ] + myOffset[ 1 ] ], + my: options.my, + at: options.at, + within: within, + elem: elem + }); + } + }); + + if ( options.using ) { + // adds feedback as second argument to using callback, if present + using = function( props ) { + var left = targetOffset.left - position.left, + right = left + targetWidth - elemWidth, + top = targetOffset.top - position.top, + bottom = top + targetHeight - elemHeight, + feedback = { + target: { + element: target, + left: targetOffset.left, + top: targetOffset.top, + width: targetWidth, + height: targetHeight + }, + element: { + element: elem, + left: position.left, + top: position.top, + width: elemWidth, + height: elemHeight + }, + horizontal: right < 0 ? "left" : left > 0 ? "right" : "center", + vertical: bottom < 0 ? "top" : top > 0 ? "bottom" : "middle" + }; + if ( targetWidth < elemWidth && abs( left + right ) < targetWidth ) { + feedback.horizontal = "center"; + } + if ( targetHeight < elemHeight && abs( top + bottom ) < targetHeight ) { + feedback.vertical = "middle"; + } + if ( max( abs( left ), abs( right ) ) > max( abs( top ), abs( bottom ) ) ) { + feedback.important = "horizontal"; + } else { + feedback.important = "vertical"; + } + options.using.call( this, props, feedback ); + }; + } + + elem.offset( $.extend( position, { using: using } ) ); + }); +}; + +$.ui.position = { + fit: { + left: function( position, data ) { + var within = data.within, + withinOffset = within.isWindow ? within.scrollLeft : within.offset.left, + outerWidth = within.width, + collisionPosLeft = position.left - data.collisionPosition.marginLeft, + overLeft = withinOffset - collisionPosLeft, + overRight = collisionPosLeft + data.collisionWidth - outerWidth - withinOffset, + newOverRight; + + // element is wider than within + if ( data.collisionWidth > outerWidth ) { + // element is initially over the left side of within + if ( overLeft > 0 && overRight <= 0 ) { + newOverRight = position.left + overLeft + data.collisionWidth - outerWidth - withinOffset; + position.left += overLeft - newOverRight; + // element is initially over right side of within + } else if ( overRight > 0 && overLeft <= 0 ) { + position.left = withinOffset; + // element is initially over both left and right sides of within + } else { + if ( overLeft > overRight ) { + position.left = withinOffset + outerWidth - data.collisionWidth; + } else { + position.left = withinOffset; + } + } + // too far left -> align with left edge + } else if ( overLeft > 0 ) { + position.left += overLeft; + // too far right -> align with right edge + } else if ( overRight > 0 ) { + position.left -= overRight; + // adjust based on position and margin + } else { + position.left = max( position.left - collisionPosLeft, position.left ); + } + }, + top: function( position, data ) { + var within = data.within, + withinOffset = within.isWindow ? within.scrollTop : within.offset.top, + outerHeight = data.within.height, + collisionPosTop = position.top - data.collisionPosition.marginTop, + overTop = withinOffset - collisionPosTop, + overBottom = collisionPosTop + data.collisionHeight - outerHeight - withinOffset, + newOverBottom; + + // element is taller than within + if ( data.collisionHeight > outerHeight ) { + // element is initially over the top of within + if ( overTop > 0 && overBottom <= 0 ) { + newOverBottom = position.top + overTop + data.collisionHeight - outerHeight - withinOffset; + position.top += overTop - newOverBottom; + // element is initially over bottom of within + } else if ( overBottom > 0 && overTop <= 0 ) { + position.top = withinOffset; + // element is initially over both top and bottom of within + } else { + if ( overTop > overBottom ) { + position.top = withinOffset + outerHeight - data.collisionHeight; + } else { + position.top = withinOffset; + } + } + // too far up -> align with top + } else if ( overTop > 0 ) { + position.top += overTop; + // too far down -> align with bottom edge + } else if ( overBottom > 0 ) { + position.top -= overBottom; + // adjust based on position and margin + } else { + position.top = max( position.top - collisionPosTop, position.top ); + } + } + }, + flip: { + left: function( position, data ) { + var within = data.within, + withinOffset = within.offset.left + within.scrollLeft, + outerWidth = within.width, + offsetLeft = within.isWindow ? within.scrollLeft : within.offset.left, + collisionPosLeft = position.left - data.collisionPosition.marginLeft, + overLeft = collisionPosLeft - offsetLeft, + overRight = collisionPosLeft + data.collisionWidth - outerWidth - offsetLeft, + myOffset = data.my[ 0 ] === "left" ? + -data.elemWidth : + data.my[ 0 ] === "right" ? + data.elemWidth : + 0, + atOffset = data.at[ 0 ] === "left" ? + data.targetWidth : + data.at[ 0 ] === "right" ? + -data.targetWidth : + 0, + offset = -2 * data.offset[ 0 ], + newOverRight, + newOverLeft; + + if ( overLeft < 0 ) { + newOverRight = position.left + myOffset + atOffset + offset + data.collisionWidth - outerWidth - withinOffset; + if ( newOverRight < 0 || newOverRight < abs( overLeft ) ) { + position.left += myOffset + atOffset + offset; + } + } else if ( overRight > 0 ) { + newOverLeft = position.left - data.collisionPosition.marginLeft + myOffset + atOffset + offset - offsetLeft; + if ( newOverLeft > 0 || abs( newOverLeft ) < overRight ) { + position.left += myOffset + atOffset + offset; + } + } + }, + top: function( position, data ) { + var within = data.within, + withinOffset = within.offset.top + within.scrollTop, + outerHeight = within.height, + offsetTop = within.isWindow ? within.scrollTop : within.offset.top, + collisionPosTop = position.top - data.collisionPosition.marginTop, + overTop = collisionPosTop - offsetTop, + overBottom = collisionPosTop + data.collisionHeight - outerHeight - offsetTop, + top = data.my[ 1 ] === "top", + myOffset = top ? + -data.elemHeight : + data.my[ 1 ] === "bottom" ? + data.elemHeight : + 0, + atOffset = data.at[ 1 ] === "top" ? + data.targetHeight : + data.at[ 1 ] === "bottom" ? + -data.targetHeight : + 0, + offset = -2 * data.offset[ 1 ], + newOverTop, + newOverBottom; + if ( overTop < 0 ) { + newOverBottom = position.top + myOffset + atOffset + offset + data.collisionHeight - outerHeight - withinOffset; + if ( newOverBottom < 0 || newOverBottom < abs( overTop ) ) { + position.top += myOffset + atOffset + offset; + } + } else if ( overBottom > 0 ) { + newOverTop = position.top - data.collisionPosition.marginTop + myOffset + atOffset + offset - offsetTop; + if ( newOverTop > 0 || abs( newOverTop ) < overBottom ) { + position.top += myOffset + atOffset + offset; + } + } + } + }, + flipfit: { + left: function() { + $.ui.position.flip.left.apply( this, arguments ); + $.ui.position.fit.left.apply( this, arguments ); + }, + top: function() { + $.ui.position.flip.top.apply( this, arguments ); + $.ui.position.fit.top.apply( this, arguments ); + } + } +}; + +// fraction support test +(function() { + var testElement, testElementParent, testElementStyle, offsetLeft, i, + body = document.getElementsByTagName( "body" )[ 0 ], + div = document.createElement( "div" ); + + //Create a "fake body" for testing based on method used in jQuery.support + testElement = document.createElement( body ? "div" : "body" ); + testElementStyle = { + visibility: "hidden", + width: 0, + height: 0, + border: 0, + margin: 0, + background: "none" + }; + if ( body ) { + $.extend( testElementStyle, { + position: "absolute", + left: "-1000px", + top: "-1000px" + }); + } + for ( i in testElementStyle ) { + testElement.style[ i ] = testElementStyle[ i ]; + } + testElement.appendChild( div ); + testElementParent = body || document.documentElement; + testElementParent.insertBefore( testElement, testElementParent.firstChild ); + + div.style.cssText = "position: absolute; left: 10.7432222px;"; + + offsetLeft = $( div ).offset().left; + supportsOffsetFractions = offsetLeft > 10 && offsetLeft < 11; + + testElement.innerHTML = ""; + testElementParent.removeChild( testElement ); +})(); + +})(); + +var position = $.ui.position; + + +/*! + * jQuery UI Draggable 1.12.0-pre + * http://jqueryui.com + * + * Copyright jQuery Foundation and other contributors + * Released under the MIT license. + * http://jquery.org/license + */ + +//>>label: Draggable +//>>group: Interactions +//>>description: Enables dragging functionality for any element. +//>>docs: http://api.jqueryui.com/draggable/ +//>>demos: http://jqueryui.com/draggable/ + + + +$.widget("ui.draggable", $.ui.mouse, { + version: "1.12.0-pre", + 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, + + // callbacks + drag: null, + start: null, + stop: null + }, + _create: function() { + + if ( this.options.helper === "original" ) { + this._setPositionRelative(); + } + if (this.options.addClasses){ + this.element.addClass("ui-draggable"); + } + if (this.options.disabled){ + this.element.addClass("ui-draggable-disabled"); + } + this._setHandleClassName(); + + this._mouseInit(); + }, + + _setOption: function( key, value ) { + this._super( key, value ); + if ( key === "handle" ) { + this._removeHandleClassName(); + this._setHandleClassName(); + } + }, + + _destroy: function() { + if ( ( this.helper || this.element ).is( ".ui-draggable-dragging" ) ) { + this.destroyOnClear = true; + return; + } + this.element.removeClass( "ui-draggable ui-draggable-dragging ui-draggable-disabled" ); + this._removeHandleClassName(); + this._mouseDestroy(); + }, + + _mouseCapture: function(event) { + var o = this.options; + + this._blurActiveElement( event ); + + // among others, prevent a drag on a resizable-handle + if (this.helper || o.disabled || $(event.target).closest(".ui-resizable-handle").length > 0) { + return false; + } + + //Quit if we're not on a valid handle + this.handle = this._getHandle(event); + if (!this.handle) { + return false; + } + + this._blockFrames( o.iframeFix === true ? "iframe" : o.iframeFix ); + + return true; + + }, + + _blockFrames: function( selector ) { + this.iframeBlocks = this.document.find( selector ).map(function() { + var iframe = $( this ); + + return $( "