",
+ 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 )
+ // support: jquery <1.6.3
+ // http://bugs.jquery.com/ticket/9413
+ .removeData( $.camelCase( 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 = $.widget;
+
+
+/*!
+ * jQuery UI Position 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/position/
+ */
+
+(function() {
+
+$.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 = $.isWindow( withinElement[0] ),
+ isDocument = !!withinElement[ 0 ] && withinElement[ 0 ].nodeType === 9;
+ return {
+ element: withinElement,
+ isWindow: isWindow,
+ isDocument: isDocument,
+ offset: withinElement.offset() || { left: 0, top: 0 },
+ scrollLeft: withinElement.scrollLeft(),
+ scrollTop: withinElement.scrollTop(),
+
+ // support: jQuery 1.6.x
+ // jQuery 1.6 doesn't support .outerWidth/Height() on documents or windows
+ width: isWindow || isDocument ? withinElement.width() : withinElement.outerWidth(),
+ height: isWindow || isDocument ? withinElement.height() : withinElement.outerHeight()
+ };
+ }
+};
+
+$.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 Menu 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/menu/
+ */
+
+
+var menu = $.widget( "ui.menu", {
+ version: "1.11.4",
+ defaultElement: "
",
+ delay: 300,
+ options: {
+ icons: {
+ submenu: "ui-icon-carat-1-e"
+ },
+ items: "> *",
+ menus: "ul",
+ position: {
+ my: "left-1 top",
+ at: "right top"
+ },
+ role: "menu",
+
+ // callbacks
+ blur: null,
+ focus: null,
+ select: null
+ },
+
+ _create: function() {
+ this.activeMenu = this.element;
+
+ // Flag used to prevent firing of the click handler
+ // as the event bubbles up through nested menus
+ this.mouseHandled = false;
+ this.element
+ .uniqueId()
+ .addClass( "ui-menu ui-widget ui-widget-content" )
+ .toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length )
+ .attr({
+ role: this.options.role,
+ tabIndex: 0
+ });
+
+ if ( this.options.disabled ) {
+ this.element
+ .addClass( "ui-state-disabled" )
+ .attr( "aria-disabled", "true" );
+ }
+
+ this._on({
+ // Prevent focus from sticking to links inside menu after clicking
+ // them (focus should always stay on UL during navigation).
+ "mousedown .ui-menu-item": function( event ) {
+ event.preventDefault();
+ },
+ "click .ui-menu-item": function( event ) {
+ var target = $( event.target );
+ if ( !this.mouseHandled && target.not( ".ui-state-disabled" ).length ) {
+ this.select( event );
+
+ // Only set the mouseHandled flag if the event will bubble, see #9469.
+ if ( !event.isPropagationStopped() ) {
+ this.mouseHandled = true;
+ }
+
+ // Open submenu on click
+ if ( target.has( ".ui-menu" ).length ) {
+ this.expand( event );
+ } else if ( !this.element.is( ":focus" ) && $( this.document[ 0 ].activeElement ).closest( ".ui-menu" ).length ) {
+
+ // Redirect focus to the menu
+ this.element.trigger( "focus", [ true ] );
+
+ // If the active item is on the top level, let it stay active.
+ // Otherwise, blur the active item since it is no longer visible.
+ if ( this.active && this.active.parents( ".ui-menu" ).length === 1 ) {
+ clearTimeout( this.timer );
+ }
+ }
+ }
+ },
+ "mouseenter .ui-menu-item": function( event ) {
+ // Ignore mouse events while typeahead is active, see #10458.
+ // Prevents focusing the wrong item when typeahead causes a scroll while the mouse
+ // is over an item in the menu
+ if ( this.previousFilter ) {
+ return;
+ }
+ var target = $( event.currentTarget );
+ // Remove ui-state-active class from siblings of the newly focused menu item
+ // to avoid a jump caused by adjacent elements both having a class with a border
+ target.siblings( ".ui-state-active" ).removeClass( "ui-state-active" );
+ this.focus( event, target );
+ },
+ mouseleave: "collapseAll",
+ "mouseleave .ui-menu": "collapseAll",
+ focus: function( event, keepActiveItem ) {
+ // If there's already an active item, keep it active
+ // If not, activate the first item
+ var item = this.active || this.element.find( this.options.items ).eq( 0 );
+
+ if ( !keepActiveItem ) {
+ this.focus( event, item );
+ }
+ },
+ blur: function( event ) {
+ this._delay(function() {
+ if ( !$.contains( this.element[0], this.document[0].activeElement ) ) {
+ this.collapseAll( event );
+ }
+ });
+ },
+ keydown: "_keydown"
+ });
+
+ this.refresh();
+
+ // Clicks outside of a menu collapse any open menus
+ this._on( this.document, {
+ click: function( event ) {
+ if ( this._closeOnDocumentClick( event ) ) {
+ this.collapseAll( event );
+ }
+
+ // Reset the mouseHandled flag
+ this.mouseHandled = false;
+ }
+ });
+ },
+
+ _destroy: function() {
+ // Destroy (sub)menus
+ this.element
+ .removeAttr( "aria-activedescendant" )
+ .find( ".ui-menu" ).addBack()
+ .removeClass( "ui-menu ui-widget ui-widget-content ui-menu-icons ui-front" )
+ .removeAttr( "role" )
+ .removeAttr( "tabIndex" )
+ .removeAttr( "aria-labelledby" )
+ .removeAttr( "aria-expanded" )
+ .removeAttr( "aria-hidden" )
+ .removeAttr( "aria-disabled" )
+ .removeUniqueId()
+ .show();
+
+ // Destroy menu items
+ this.element.find( ".ui-menu-item" )
+ .removeClass( "ui-menu-item" )
+ .removeAttr( "role" )
+ .removeAttr( "aria-disabled" )
+ .removeUniqueId()
+ .removeClass( "ui-state-hover" )
+ .removeAttr( "tabIndex" )
+ .removeAttr( "role" )
+ .removeAttr( "aria-haspopup" )
+ .children().each( function() {
+ var elem = $( this );
+ if ( elem.data( "ui-menu-submenu-carat" ) ) {
+ elem.remove();
+ }
+ });
+
+ // Destroy menu dividers
+ this.element.find( ".ui-menu-divider" ).removeClass( "ui-menu-divider ui-widget-content" );
+ },
+
+ _keydown: function( event ) {
+ var match, prev, character, skip,
+ preventDefault = true;
+
+ switch ( event.keyCode ) {
+ case $.ui.keyCode.PAGE_UP:
+ this.previousPage( event );
+ break;
+ case $.ui.keyCode.PAGE_DOWN:
+ this.nextPage( event );
+ break;
+ case $.ui.keyCode.HOME:
+ this._move( "first", "first", event );
+ break;
+ case $.ui.keyCode.END:
+ this._move( "last", "last", event );
+ break;
+ case $.ui.keyCode.UP:
+ this.previous( event );
+ break;
+ case $.ui.keyCode.DOWN:
+ this.next( event );
+ break;
+ case $.ui.keyCode.LEFT:
+ this.collapse( event );
+ break;
+ case $.ui.keyCode.RIGHT:
+ if ( this.active && !this.active.is( ".ui-state-disabled" ) ) {
+ this.expand( event );
+ }
+ break;
+ case $.ui.keyCode.ENTER:
+ case $.ui.keyCode.SPACE:
+ this._activate( event );
+ break;
+ case $.ui.keyCode.ESCAPE:
+ this.collapse( event );
+ break;
+ default:
+ preventDefault = false;
+ prev = this.previousFilter || "";
+ character = String.fromCharCode( event.keyCode );
+ skip = false;
+
+ clearTimeout( this.filterTimer );
+
+ if ( character === prev ) {
+ skip = true;
+ } else {
+ character = prev + character;
+ }
+
+ match = this._filterMenuItems( character );
+ match = skip && match.index( this.active.next() ) !== -1 ?
+ this.active.nextAll( ".ui-menu-item" ) :
+ match;
+
+ // If no matches on the current filter, reset to the last character pressed
+ // to move down the menu to the first item that starts with that character
+ if ( !match.length ) {
+ character = String.fromCharCode( event.keyCode );
+ match = this._filterMenuItems( character );
+ }
+
+ if ( match.length ) {
+ this.focus( event, match );
+ this.previousFilter = character;
+ this.filterTimer = this._delay(function() {
+ delete this.previousFilter;
+ }, 1000 );
+ } else {
+ delete this.previousFilter;
+ }
+ }
+
+ if ( preventDefault ) {
+ event.preventDefault();
+ }
+ },
+
+ _activate: function( event ) {
+ if ( !this.active.is( ".ui-state-disabled" ) ) {
+ if ( this.active.is( "[aria-haspopup='true']" ) ) {
+ this.expand( event );
+ } else {
+ this.select( event );
+ }
+ }
+ },
+
+ refresh: function() {
+ var menus, items,
+ that = this,
+ icon = this.options.icons.submenu,
+ submenus = this.element.find( this.options.menus );
+
+ this.element.toggleClass( "ui-menu-icons", !!this.element.find( ".ui-icon" ).length );
+
+ // Initialize nested menus
+ submenus.filter( ":not(.ui-menu)" )
+ .addClass( "ui-menu ui-widget ui-widget-content ui-front" )
+ .hide()
+ .attr({
+ role: this.options.role,
+ "aria-hidden": "true",
+ "aria-expanded": "false"
+ })
+ .each(function() {
+ var menu = $( this ),
+ item = menu.parent(),
+ submenuCarat = $( "" )
+ .addClass( "ui-menu-icon ui-icon " + icon )
+ .data( "ui-menu-submenu-carat", true );
+
+ item
+ .attr( "aria-haspopup", "true" )
+ .prepend( submenuCarat );
+ menu.attr( "aria-labelledby", item.attr( "id" ) );
+ });
+
+ menus = submenus.add( this.element );
+ items = menus.find( this.options.items );
+
+ // Initialize menu-items containing spaces and/or dashes only as dividers
+ items.not( ".ui-menu-item" ).each(function() {
+ var item = $( this );
+ if ( that._isDivider( item ) ) {
+ item.addClass( "ui-widget-content ui-menu-divider" );
+ }
+ });
+
+ // Don't refresh list items that are already adapted
+ items.not( ".ui-menu-item, .ui-menu-divider" )
+ .addClass( "ui-menu-item" )
+ .uniqueId()
+ .attr({
+ tabIndex: -1,
+ role: this._itemRole()
+ });
+
+ // Add aria-disabled attribute to any disabled menu item
+ items.filter( ".ui-state-disabled" ).attr( "aria-disabled", "true" );
+
+ // If the active item has been removed, blur the menu
+ if ( this.active && !$.contains( this.element[ 0 ], this.active[ 0 ] ) ) {
+ this.blur();
+ }
+ },
+
+ _itemRole: function() {
+ return {
+ menu: "menuitem",
+ listbox: "option"
+ }[ this.options.role ];
+ },
+
+ _setOption: function( key, value ) {
+ if ( key === "icons" ) {
+ this.element.find( ".ui-menu-icon" )
+ .removeClass( this.options.icons.submenu )
+ .addClass( value.submenu );
+ }
+ if ( key === "disabled" ) {
+ this.element
+ .toggleClass( "ui-state-disabled", !!value )
+ .attr( "aria-disabled", value );
+ }
+ this._super( key, value );
+ },
+
+ focus: function( event, item ) {
+ var nested, focused;
+ this.blur( event, event && event.type === "focus" );
+
+ this._scrollIntoView( item );
+
+ this.active = item.first();
+ focused = this.active.addClass( "ui-state-focus" ).removeClass( "ui-state-active" );
+ // Only update aria-activedescendant if there's a role
+ // otherwise we assume focus is managed elsewhere
+ if ( this.options.role ) {
+ this.element.attr( "aria-activedescendant", focused.attr( "id" ) );
+ }
+
+ // Highlight active parent menu item, if any
+ this.active
+ .parent()
+ .closest( ".ui-menu-item" )
+ .addClass( "ui-state-active" );
+
+ if ( event && event.type === "keydown" ) {
+ this._close();
+ } else {
+ this.timer = this._delay(function() {
+ this._close();
+ }, this.delay );
+ }
+
+ nested = item.children( ".ui-menu" );
+ if ( nested.length && event && ( /^mouse/.test( event.type ) ) ) {
+ this._startOpening(nested);
+ }
+ this.activeMenu = item.parent();
+
+ this._trigger( "focus", event, { item: item } );
+ },
+
+ _scrollIntoView: function( item ) {
+ var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
+ if ( this._hasScroll() ) {
+ borderTop = parseFloat( $.css( this.activeMenu[0], "borderTopWidth" ) ) || 0;
+ paddingTop = parseFloat( $.css( this.activeMenu[0], "paddingTop" ) ) || 0;
+ offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
+ scroll = this.activeMenu.scrollTop();
+ elementHeight = this.activeMenu.height();
+ itemHeight = item.outerHeight();
+
+ if ( offset < 0 ) {
+ this.activeMenu.scrollTop( scroll + offset );
+ } else if ( offset + itemHeight > elementHeight ) {
+ this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
+ }
+ }
+ },
+
+ blur: function( event, fromFocus ) {
+ if ( !fromFocus ) {
+ clearTimeout( this.timer );
+ }
+
+ if ( !this.active ) {
+ return;
+ }
+
+ this.active.removeClass( "ui-state-focus" );
+ this.active = null;
+
+ this._trigger( "blur", event, { item: this.active } );
+ },
+
+ _startOpening: function( submenu ) {
+ clearTimeout( this.timer );
+
+ // Don't open if already open fixes a Firefox bug that caused a .5 pixel
+ // shift in the submenu position when mousing over the carat icon
+ if ( submenu.attr( "aria-hidden" ) !== "true" ) {
+ return;
+ }
+
+ this.timer = this._delay(function() {
+ this._close();
+ this._open( submenu );
+ }, this.delay );
+ },
+
+ _open: function( submenu ) {
+ var position = $.extend({
+ of: this.active
+ }, this.options.position );
+
+ clearTimeout( this.timer );
+ this.element.find( ".ui-menu" ).not( submenu.parents( ".ui-menu" ) )
+ .hide()
+ .attr( "aria-hidden", "true" );
+
+ submenu
+ .show()
+ .removeAttr( "aria-hidden" )
+ .attr( "aria-expanded", "true" )
+ .position( position );
+ },
+
+ collapseAll: function( event, all ) {
+ clearTimeout( this.timer );
+ this.timer = this._delay(function() {
+ // If we were passed an event, look for the submenu that contains the event
+ var currentMenu = all ? this.element :
+ $( event && event.target ).closest( this.element.find( ".ui-menu" ) );
+
+ // If we found no valid submenu ancestor, use the main menu to close all sub menus anyway
+ if ( !currentMenu.length ) {
+ currentMenu = this.element;
+ }
+
+ this._close( currentMenu );
+
+ this.blur( event );
+ this.activeMenu = currentMenu;
+ }, this.delay );
+ },
+
+ // With no arguments, closes the currently active menu - if nothing is active
+ // it closes all menus. If passed an argument, it will search for menus BELOW
+ _close: function( startMenu ) {
+ if ( !startMenu ) {
+ startMenu = this.active ? this.active.parent() : this.element;
+ }
+
+ startMenu
+ .find( ".ui-menu" )
+ .hide()
+ .attr( "aria-hidden", "true" )
+ .attr( "aria-expanded", "false" )
+ .end()
+ .find( ".ui-state-active" ).not( ".ui-state-focus" )
+ .removeClass( "ui-state-active" );
+ },
+
+ _closeOnDocumentClick: function( event ) {
+ return !$( event.target ).closest( ".ui-menu" ).length;
+ },
+
+ _isDivider: function( item ) {
+
+ // Match hyphen, em dash, en dash
+ return !/[^\-\u2014\u2013\s]/.test( item.text() );
+ },
+
+ collapse: function( event ) {
+ var newItem = this.active &&
+ this.active.parent().closest( ".ui-menu-item", this.element );
+ if ( newItem && newItem.length ) {
+ this._close();
+ this.focus( event, newItem );
+ }
+ },
+
+ expand: function( event ) {
+ var newItem = this.active &&
+ this.active
+ .children( ".ui-menu " )
+ .find( this.options.items )
+ .first();
+
+ if ( newItem && newItem.length ) {
+ this._open( newItem.parent() );
+
+ // Delay so Firefox will not hide activedescendant change in expanding submenu from AT
+ this._delay(function() {
+ this.focus( event, newItem );
+ });
+ }
+ },
+
+ next: function( event ) {
+ this._move( "next", "first", event );
+ },
+
+ previous: function( event ) {
+ this._move( "prev", "last", event );
+ },
+
+ isFirstItem: function() {
+ return this.active && !this.active.prevAll( ".ui-menu-item" ).length;
+ },
+
+ isLastItem: function() {
+ return this.active && !this.active.nextAll( ".ui-menu-item" ).length;
+ },
+
+ _move: function( direction, filter, event ) {
+ var next;
+ if ( this.active ) {
+ if ( direction === "first" || direction === "last" ) {
+ next = this.active
+ [ direction === "first" ? "prevAll" : "nextAll" ]( ".ui-menu-item" )
+ .eq( -1 );
+ } else {
+ next = this.active
+ [ direction + "All" ]( ".ui-menu-item" )
+ .eq( 0 );
+ }
+ }
+ if ( !next || !next.length || !this.active ) {
+ next = this.activeMenu.find( this.options.items )[ filter ]();
+ }
+
+ this.focus( event, next );
+ },
+
+ nextPage: function( event ) {
+ var item, base, height;
+
+ if ( !this.active ) {
+ this.next( event );
+ return;
+ }
+ if ( this.isLastItem() ) {
+ return;
+ }
+ if ( this._hasScroll() ) {
+ base = this.active.offset().top;
+ height = this.element.height();
+ this.active.nextAll( ".ui-menu-item" ).each(function() {
+ item = $( this );
+ return item.offset().top - base - height < 0;
+ });
+
+ this.focus( event, item );
+ } else {
+ this.focus( event, this.activeMenu.find( this.options.items )
+ [ !this.active ? "first" : "last" ]() );
+ }
+ },
+
+ previousPage: function( event ) {
+ var item, base, height;
+ if ( !this.active ) {
+ this.next( event );
+ return;
+ }
+ if ( this.isFirstItem() ) {
+ return;
+ }
+ if ( this._hasScroll() ) {
+ base = this.active.offset().top;
+ height = this.element.height();
+ this.active.prevAll( ".ui-menu-item" ).each(function() {
+ item = $( this );
+ return item.offset().top - base + height > 0;
+ });
+
+ this.focus( event, item );
+ } else {
+ this.focus( event, this.activeMenu.find( this.options.items ).first() );
+ }
+ },
+
+ _hasScroll: function() {
+ return this.element.outerHeight() < this.element.prop( "scrollHeight" );
+ },
+
+ select: function( event ) {
+ // TODO: It should never be possible to not have an active item at this
+ // point, but the tests don't trigger mouseenter before click.
+ this.active = this.active || $( event.target ).closest( ".ui-menu-item" );
+ var ui = { item: this.active };
+ if ( !this.active.has( ".ui-menu" ).length ) {
+ this.collapseAll( event, true );
+ }
+ this._trigger( "select", event, ui );
+ },
+
+ _filterMenuItems: function(character) {
+ var escapedCharacter = character.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" ),
+ regex = new RegExp( "^" + escapedCharacter, "i" );
+
+ return this.activeMenu
+ .find( this.options.items )
+
+ // Only match on items, not dividers or other content (#10571)
+ .filter( ".ui-menu-item" )
+ .filter(function() {
+ return regex.test( $.trim( $( this ).text() ) );
+ });
+ }
+});
+
+
+/*!
+ * jQuery UI Autocomplete 1.11.4
+ * http://jqueryui.com
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/autocomplete/
+ */
+
+
+$.widget( "ui.autocomplete", {
+ version: "1.11.4",
+ defaultElement: "",
+ options: {
+ appendTo: null,
+ autoFocus: false,
+ delay: 300,
+ minLength: 1,
+ position: {
+ my: "left top",
+ at: "left bottom",
+ collision: "none"
+ },
+ source: null,
+
+ // callbacks
+ change: null,
+ close: null,
+ focus: null,
+ open: null,
+ response: null,
+ search: null,
+ select: null
+ },
+
+ requestIndex: 0,
+ pending: 0,
+
+ _create: function() {
+ // Some browsers only repeat keydown events, not keypress events,
+ // so we use the suppressKeyPress flag to determine if we've already
+ // handled the keydown event. #7269
+ // Unfortunately the code for & in keypress is the same as the up arrow,
+ // so we use the suppressKeyPressRepeat flag to avoid handling keypress
+ // events when we know the keydown event was used to modify the
+ // search term. #7799
+ var suppressKeyPress, suppressKeyPressRepeat, suppressInput,
+ nodeName = this.element[ 0 ].nodeName.toLowerCase(),
+ isTextarea = nodeName === "textarea",
+ isInput = nodeName === "input";
+
+ this.isMultiLine =
+ // Textareas are always multi-line
+ isTextarea ? true :
+ // Inputs are always single-line, even if inside a contentEditable element
+ // IE also treats inputs as contentEditable
+ isInput ? false :
+ // All other element types are determined by whether or not they're contentEditable
+ this.element.prop( "isContentEditable" );
+
+ this.valueMethod = this.element[ isTextarea || isInput ? "val" : "text" ];
+ this.isNewMenu = true;
+
+ this.element
+ .addClass( "ui-autocomplete-input" )
+ .attr( "autocomplete", "off" );
+
+ this._on( this.element, {
+ keydown: function( event ) {
+ if ( this.element.prop( "readOnly" ) ) {
+ suppressKeyPress = true;
+ suppressInput = true;
+ suppressKeyPressRepeat = true;
+ return;
+ }
+
+ suppressKeyPress = false;
+ suppressInput = false;
+ suppressKeyPressRepeat = false;
+ var keyCode = $.ui.keyCode;
+ switch ( event.keyCode ) {
+ case keyCode.PAGE_UP:
+ suppressKeyPress = true;
+ this._move( "previousPage", event );
+ break;
+ case keyCode.PAGE_DOWN:
+ suppressKeyPress = true;
+ this._move( "nextPage", event );
+ break;
+ case keyCode.UP:
+ suppressKeyPress = true;
+ this._keyEvent( "previous", event );
+ break;
+ case keyCode.DOWN:
+ suppressKeyPress = true;
+ this._keyEvent( "next", event );
+ break;
+ case keyCode.ENTER:
+ // when menu is open and has focus
+ if ( this.menu.active ) {
+ // #6055 - Opera still allows the keypress to occur
+ // which causes forms to submit
+ suppressKeyPress = true;
+ event.preventDefault();
+ this.menu.select( event );
+ }
+ break;
+ case keyCode.TAB:
+ if ( this.menu.active ) {
+ this.menu.select( event );
+ }
+ break;
+ case keyCode.ESCAPE:
+ if ( this.menu.element.is( ":visible" ) ) {
+ if ( !this.isMultiLine ) {
+ this._value( this.term );
+ }
+ this.close( event );
+ // Different browsers have different default behavior for escape
+ // Single press can mean undo or clear
+ // Double press in IE means clear the whole form
+ event.preventDefault();
+ }
+ break;
+ default:
+ suppressKeyPressRepeat = true;
+ // search timeout should be triggered before the input value is changed
+ this._searchTimeout( event );
+ break;
+ }
+ },
+ keypress: function( event ) {
+ if ( suppressKeyPress ) {
+ suppressKeyPress = false;
+ if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
+ event.preventDefault();
+ }
+ return;
+ }
+ if ( suppressKeyPressRepeat ) {
+ return;
+ }
+
+ // replicate some key handlers to allow them to repeat in Firefox and Opera
+ var keyCode = $.ui.keyCode;
+ switch ( event.keyCode ) {
+ case keyCode.PAGE_UP:
+ this._move( "previousPage", event );
+ break;
+ case keyCode.PAGE_DOWN:
+ this._move( "nextPage", event );
+ break;
+ case keyCode.UP:
+ this._keyEvent( "previous", event );
+ break;
+ case keyCode.DOWN:
+ this._keyEvent( "next", event );
+ break;
+ }
+ },
+ input: function( event ) {
+ if ( suppressInput ) {
+ suppressInput = false;
+ event.preventDefault();
+ return;
+ }
+ this._searchTimeout( event );
+ },
+ focus: function() {
+ this.selectedItem = null;
+ this.previous = this._value();
+ },
+ blur: function( event ) {
+ if ( this.cancelBlur ) {
+ delete this.cancelBlur;
+ return;
+ }
+
+ clearTimeout( this.searching );
+ this.close( event );
+ this._change( event );
+ }
+ });
+
+ this._initSource();
+ this.menu = $( "" )
+ .addClass( "ui-autocomplete ui-front" )
+ .appendTo( this._appendTo() )
+ .menu({
+ // disable ARIA support, the live region takes care of that
+ role: null
+ })
+ .hide()
+ .menu( "instance" );
+
+ this._on( this.menu.element, {
+ mousedown: function( event ) {
+ // prevent moving focus out of the text field
+ event.preventDefault();
+
+ // IE doesn't prevent moving focus even with event.preventDefault()
+ // so we set a flag to know when we should ignore the blur event
+ this.cancelBlur = true;
+ this._delay(function() {
+ delete this.cancelBlur;
+ });
+
+ // clicking on the scrollbar causes focus to shift to the body
+ // but we can't detect a mouseup or a click immediately afterward
+ // so we have to track the next mousedown and close the menu if
+ // the user clicks somewhere outside of the autocomplete
+ var menuElement = this.menu.element[ 0 ];
+ if ( !$( event.target ).closest( ".ui-menu-item" ).length ) {
+ this._delay(function() {
+ var that = this;
+ this.document.one( "mousedown", function( event ) {
+ if ( event.target !== that.element[ 0 ] &&
+ event.target !== menuElement &&
+ !$.contains( menuElement, event.target ) ) {
+ that.close();
+ }
+ });
+ });
+ }
+ },
+ menufocus: function( event, ui ) {
+ var label, item;
+ // support: Firefox
+ // Prevent accidental activation of menu items in Firefox (#7024 #9118)
+ if ( this.isNewMenu ) {
+ this.isNewMenu = false;
+ if ( event.originalEvent && /^mouse/.test( event.originalEvent.type ) ) {
+ this.menu.blur();
+
+ this.document.one( "mousemove", function() {
+ $( event.target ).trigger( event.originalEvent );
+ });
+
+ return;
+ }
+ }
+
+ item = ui.item.data( "ui-autocomplete-item" );
+ if ( false !== this._trigger( "focus", event, { item: item } ) ) {
+ // use value to match what will end up in the input, if it was a key event
+ if ( event.originalEvent && /^key/.test( event.originalEvent.type ) ) {
+ this._value( item.value );
+ }
+ }
+
+ // Announce the value in the liveRegion
+ label = ui.item.attr( "aria-label" ) || item.value;
+ if ( label && $.trim( label ).length ) {
+ this.liveRegion.children().hide();
+ $( "" ).text( label ).appendTo( this.liveRegion );
+ }
+ },
+ menuselect: function( event, ui ) {
+ var item = ui.item.data( "ui-autocomplete-item" ),
+ previous = this.previous;
+
+ // only trigger when focus was lost (click on menu)
+ if ( this.element[ 0 ] !== this.document[ 0 ].activeElement ) {
+ this.element.focus();
+ this.previous = previous;
+ // #6109 - IE triggers two focus events and the second
+ // is asynchronous, so we need to reset the previous
+ // term synchronously and asynchronously :-(
+ this._delay(function() {
+ this.previous = previous;
+ this.selectedItem = item;
+ });
+ }
+
+ if ( false !== this._trigger( "select", event, { item: item } ) ) {
+ this._value( item.value );
+ }
+ // reset the term after the select event
+ // this allows custom select handling to work properly
+ this.term = this._value();
+
+ this.close( event );
+ this.selectedItem = item;
+ }
+ });
+
+ this.liveRegion = $( "
", {
+ role: "status",
+ "aria-live": "assertive",
+ "aria-relevant": "additions"
+ })
+ .addClass( "ui-helper-hidden-accessible" )
+ .appendTo( this.document[ 0 ].body );
+
+ // turning off autocomplete prevents the browser from remembering the
+ // value when navigating through history, so we re-enable autocomplete
+ // if the page is unloaded before the widget is destroyed. #7790
+ this._on( this.window, {
+ beforeunload: function() {
+ this.element.removeAttr( "autocomplete" );
+ }
+ });
+ },
+
+ _destroy: function() {
+ clearTimeout( this.searching );
+ this.element
+ .removeClass( "ui-autocomplete-input" )
+ .removeAttr( "autocomplete" );
+ this.menu.element.remove();
+ this.liveRegion.remove();
+ },
+
+ _setOption: function( key, value ) {
+ this._super( key, value );
+ if ( key === "source" ) {
+ this._initSource();
+ }
+ if ( key === "appendTo" ) {
+ this.menu.element.appendTo( this._appendTo() );
+ }
+ if ( key === "disabled" && value && this.xhr ) {
+ this.xhr.abort();
+ }
+ },
+
+ _appendTo: function() {
+ var element = this.options.appendTo;
+
+ if ( element ) {
+ element = element.jquery || element.nodeType ?
+ $( element ) :
+ this.document.find( element ).eq( 0 );
+ }
+
+ if ( !element || !element[ 0 ] ) {
+ element = this.element.closest( ".ui-front" );
+ }
+
+ if ( !element.length ) {
+ element = this.document[ 0 ].body;
+ }
+
+ return element;
+ },
+
+ _initSource: function() {
+ var array, url,
+ that = this;
+ if ( $.isArray( this.options.source ) ) {
+ array = this.options.source;
+ this.source = function( request, response ) {
+ response( $.ui.autocomplete.filter( array, request.term ) );
+ };
+ } else if ( typeof this.options.source === "string" ) {
+ url = this.options.source;
+ this.source = function( request, response ) {
+ if ( that.xhr ) {
+ that.xhr.abort();
+ }
+ that.xhr = $.ajax({
+ url: url,
+ data: request,
+ dataType: "json",
+ success: function( data ) {
+ response( data );
+ },
+ error: function() {
+ response([]);
+ }
+ });
+ };
+ } else {
+ this.source = this.options.source;
+ }
+ },
+
+ _searchTimeout: function( event ) {
+ clearTimeout( this.searching );
+ this.searching = this._delay(function() {
+
+ // Search if the value has changed, or if the user retypes the same value (see #7434)
+ var equalValues = this.term === this._value(),
+ menuVisible = this.menu.element.is( ":visible" ),
+ modifierKey = event.altKey || event.ctrlKey || event.metaKey || event.shiftKey;
+
+ if ( !equalValues || ( equalValues && !menuVisible && !modifierKey ) ) {
+ this.selectedItem = null;
+ this.search( null, event );
+ }
+ }, this.options.delay );
+ },
+
+ search: function( value, event ) {
+ value = value != null ? value : this._value();
+
+ // always save the actual value, not the one passed as an argument
+ this.term = this._value();
+
+ if ( value.length < this.options.minLength ) {
+ return this.close( event );
+ }
+
+ if ( this._trigger( "search", event ) === false ) {
+ return;
+ }
+
+ return this._search( value );
+ },
+
+ _search: function( value ) {
+ this.pending++;
+ this.element.addClass( "ui-autocomplete-loading" );
+ this.cancelSearch = false;
+
+ this.source( { term: value }, this._response() );
+ },
+
+ _response: function() {
+ var index = ++this.requestIndex;
+
+ return $.proxy(function( content ) {
+ if ( index === this.requestIndex ) {
+ this.__response( content );
+ }
+
+ this.pending--;
+ if ( !this.pending ) {
+ this.element.removeClass( "ui-autocomplete-loading" );
+ }
+ }, this );
+ },
+
+ __response: function( content ) {
+ if ( content ) {
+ content = this._normalize( content );
+ }
+ this._trigger( "response", null, { content: content } );
+ if ( !this.options.disabled && content && content.length && !this.cancelSearch ) {
+ this._suggest( content );
+ this._trigger( "open" );
+ } else {
+ // use ._close() instead of .close() so we don't cancel future searches
+ this._close();
+ }
+ },
+
+ close: function( event ) {
+ this.cancelSearch = true;
+ this._close( event );
+ },
+
+ _close: function( event ) {
+ if ( this.menu.element.is( ":visible" ) ) {
+ this.menu.element.hide();
+ this.menu.blur();
+ this.isNewMenu = true;
+ this._trigger( "close", event );
+ }
+ },
+
+ _change: function( event ) {
+ if ( this.previous !== this._value() ) {
+ this._trigger( "change", event, { item: this.selectedItem } );
+ }
+ },
+
+ _normalize: function( items ) {
+ // assume all items have the right format when the first item is complete
+ if ( items.length && items[ 0 ].label && items[ 0 ].value ) {
+ return items;
+ }
+ return $.map( items, function( item ) {
+ if ( typeof item === "string" ) {
+ return {
+ label: item,
+ value: item
+ };
+ }
+ return $.extend( {}, item, {
+ label: item.label || item.value,
+ value: item.value || item.label
+ });
+ });
+ },
+
+ _suggest: function( items ) {
+ var ul = this.menu.element.empty();
+ this._renderMenu( ul, items );
+ this.isNewMenu = true;
+ this.menu.refresh();
+
+ // size and position menu
+ ul.show();
+ this._resizeMenu();
+ ul.position( $.extend({
+ of: this.element
+ }, this.options.position ) );
+
+ if ( this.options.autoFocus ) {
+ this.menu.next();
+ }
+ },
+
+ _resizeMenu: function() {
+ var ul = this.menu.element;
+ ul.outerWidth( Math.max(
+ // Firefox wraps long text (possibly a rounding bug)
+ // so we add 1px to avoid the wrapping (#7513)
+ ul.width( "" ).outerWidth() + 1,
+ this.element.outerWidth()
+ ) );
+ },
+
+ _renderMenu: function( ul, items ) {
+ var that = this;
+ $.each( items, function( index, item ) {
+ that._renderItemData( ul, item );
+ });
+ },
+
+ _renderItemData: function( ul, item ) {
+ return this._renderItem( ul, item ).data( "ui-autocomplete-item", item );
+ },
+
+ _renderItem: function( ul, item ) {
+ return $( "- " ).text( item.label ).appendTo( ul );
+ },
+
+ _move: function( direction, event ) {
+ if ( !this.menu.element.is( ":visible" ) ) {
+ this.search( null, event );
+ return;
+ }
+ if ( this.menu.isFirstItem() && /^previous/.test( direction ) ||
+ this.menu.isLastItem() && /^next/.test( direction ) ) {
+
+ if ( !this.isMultiLine ) {
+ this._value( this.term );
+ }
+
+ this.menu.blur();
+ return;
+ }
+ this.menu[ direction ]( event );
+ },
+
+ widget: function() {
+ return this.menu.element;
+ },
+
+ _value: function() {
+ return this.valueMethod.apply( this.element, arguments );
+ },
+
+ _keyEvent: function( keyEvent, event ) {
+ if ( !this.isMultiLine || this.menu.element.is( ":visible" ) ) {
+ this._move( keyEvent, event );
+
+ // prevents moving cursor to beginning/end of the text field in some browsers
+ event.preventDefault();
+ }
+ }
+});
+
+$.extend( $.ui.autocomplete, {
+ escapeRegex: function( value ) {
+ return value.replace( /[\-\[\]{}()*+?.,\\\^$|#\s]/g, "\\$&" );
+ },
+ filter: function( array, term ) {
+ var matcher = new RegExp( $.ui.autocomplete.escapeRegex( term ), "i" );
+ return $.grep( array, function( value ) {
+ return matcher.test( value.label || value.value || value );
+ });
+ }
+});
+
+// live region extension, adding a `messages` option
+// NOTE: This is an experimental API. We are still investigating
+// a full solution for string manipulation and internationalization.
+$.widget( "ui.autocomplete", $.ui.autocomplete, {
+ options: {
+ messages: {
+ noResults: "No search results.",
+ results: function( amount ) {
+ return amount + ( amount > 1 ? " results are" : " result is" ) +
+ " available, use up and down arrow keys to navigate.";
+ }
+ }
+ },
+
+ __response: function( content ) {
+ var message;
+ this._superApply( arguments );
+ if ( this.options.disabled || this.cancelSearch ) {
+ return;
+ }
+ if ( content && content.length ) {
+ message = this.options.messages.results( content.length );
+ } else {
+ message = this.options.messages.noResults;
+ }
+ this.liveRegion.children().hide();
+ $( "
" ).text( message ).appendTo( this.liveRegion );
+ }
+});
+
+var autocomplete = $.ui.autocomplete;
+
+
+
+}));
\ No newline at end of file