--- /dev/null
+/*!
+ * jQuery UI Position 1.9.2
+ * http://jqueryui.com
+ *
+ * Copyright 2012 jQuery Foundation and other contributors
+ * Released under the MIT license.
+ * http://jquery.org/license
+ *
+ * http://api.jqueryui.com/position/
+ */
+(function( $, undefined ) {
+
+$.ui = $.ui || {};
+
+var cachedScrollbarWidth,
+ max = Math.max,
+ abs = Math.abs,
+ round = Math.round,
+ rhorizontal = /left|center|right/,
+ rvertical = /top|center|bottom/,
+ roffset = /[\+\-]\d+%?/,
+ rposition = /^\w+/,
+ rpercent = /%$/,
+ _position = $.fn.position;
+
+function getOffsets( offsets, width, height ) {
+ return [
+ parseInt( offsets[ 0 ], 10 ) * ( rpercent.test( offsets[ 0 ] ) ? width / 100 : 1 ),
+ parseInt( offsets[ 1 ], 10 ) * ( rpercent.test( offsets[ 1 ] ) ? height / 100 : 1 )
+ ];
+}
+function parseCss( element, property ) {
+ return parseInt( $.css( element, property ), 10 ) || 0;
+}
+
+$.position = {
+ scrollbarWidth: function() {
+ if ( cachedScrollbarWidth !== undefined ) {
+ return cachedScrollbarWidth;
+ }
+ var w1, w2,
+ div = $( "<div style='display:block;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></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.element.css( "overflow-x" ),
+ overflowY = within.isWindow ? "" : 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: hasOverflowX ? $.position.scrollbarWidth() : 0,
+ height: hasOverflowY ? $.position.scrollbarWidth() : 0
+ };
+ },
+ getWithinInfo: function( element ) {
+ var withinElement = $( element || window ),
+ isWindow = $.isWindow( withinElement[0] );
+ return {
+ element: withinElement,
+ isWindow: isWindow,
+ offset: withinElement.offset() || { left: 0, top: 0 },
+ scrollLeft: withinElement.scrollLeft(),
+ scrollTop: withinElement.scrollTop(),
+ width: isWindow ? withinElement.width() : withinElement.outerWidth(),
+ height: isWindow ? withinElement.height() : withinElement.outerHeight()
+ };
+ }
+};
+
+$.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,
+ target = $( options.of ),
+ within = $.position.getWithinInfo( options.within ),
+ scrollInfo = $.position.getScrollInfo( within ),
+ targetElem = target[0],
+ collision = ( options.collision || "flip" ).split( " " ),
+ offsets = {};
+
+ if ( targetElem.nodeType === 9 ) {
+ targetWidth = target.width();
+ targetHeight = target.height();
+ targetOffset = { top: 0, left: 0 };
+ } else if ( $.isWindow( targetElem ) ) {
+ targetWidth = target.width();
+ targetHeight = target.height();
+ targetOffset = { top: target.scrollTop(), left: target.scrollLeft() };
+ } else if ( targetElem.preventDefault ) {
+ // force left top to allow flipping
+ options.at = "left top";
+ targetWidth = targetHeight = 0;
+ targetOffset = { top: targetElem.pageY, left: targetElem.pageX };
+ } else {
+ targetWidth = target.outerWidth();
+ targetHeight = target.outerHeight();
+ targetOffset = target.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 = $.extend( {}, basePosition ),
+ myOffset = getOffsets( offsets.my, elem.outerWidth(), elem.outerHeight() );
+
+ if ( options.my[ 0 ] === "right" ) {
+ position.left -= elemWidth;
+ } else if ( options.my[ 0 ] === "center" ) {
+ position.left -= elemWidth / 2;
+ }
+
+ if ( options.my[ 1 ] === "bottom" ) {
+ position.top -= elemHeight;
+ } else if ( options.my[ 1 ] === "center" ) {
+ position.top -= elemHeight / 2;
+ }
+
+ position.left += myOffset[ 0 ];
+ position.top += myOffset[ 1 ];
+
+ // if the browser doesn't support fractions, then round for consistent results
+ if ( !$.support.offsetFractions ) {
+ 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 ( $.fn.bgiframe ) {
+ elem.bgiframe();
+ }
+
+ 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 ( ( position.top + myOffset + atOffset + offset) > overTop && ( 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 ( ( position.top + myOffset + atOffset + offset) > overBottom && ( 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;
+ $.support.offsetFractions = offsetLeft > 10 && offsetLeft < 11;
+
+ testElement.innerHTML = "";
+ testElementParent.removeChild( testElement );
+})();
+
+// DEPRECATED
+if ( $.uiBackCompat !== false ) {
+ // offset option
+ (function( $ ) {
+ var _position = $.fn.position;
+ $.fn.position = function( options ) {
+ if ( !options || !options.offset ) {
+ return _position.call( this, options );
+ }
+ var offset = options.offset.split( " " ),
+ at = options.at.split( " " );
+ if ( offset.length === 1 ) {
+ offset[ 1 ] = offset[ 0 ];
+ }
+ if ( /^\d/.test( offset[ 0 ] ) ) {
+ offset[ 0 ] = "+" + offset[ 0 ];
+ }
+ if ( /^\d/.test( offset[ 1 ] ) ) {
+ offset[ 1 ] = "+" + offset[ 1 ];
+ }
+ if ( at.length === 1 ) {
+ if ( /left|center|right/.test( at[ 0 ] ) ) {
+ at[ 1 ] = "center";
+ } else {
+ at[ 1 ] = at[ 0 ];
+ at[ 0 ] = "center";
+ }
+ }
+ return _position.call( this, $.extend( options, {
+ at: at[ 0 ] + offset[ 0 ] + " " + at[ 1 ] + offset[ 1 ],
+ offset: undefined
+ } ) );
+ };
+ }( jQuery ) );
+}
+
+}( jQuery ) );
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