+++ /dev/null
-/*
- * jQuery UI Position 1.8.2
- *
- * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
- * Dual licensed under the MIT (MIT-LICENSE.txt)
- * and GPL (GPL-LICENSE.txt) licenses.
- *
- * http://docs.jquery.com/UI/Position
- */
-(function( $ ) {
-
-$.ui = $.ui || {};
-
-var horizontalPositions = /left|center|right/,
- horizontalDefault = "center",
- verticalPositions = /top|center|bottom/,
- verticalDefault = "center",
- _position = $.fn.position,
- _offset = $.fn.offset;
-
-$.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 target = $( options.of ),
- collision = ( options.collision || "flip" ).split( " " ),
- offset = options.offset ? options.offset.split( " " ) : [ 0, 0 ],
- targetWidth,
- targetHeight,
- basePosition;
-
- if ( options.of.nodeType === 9 ) {
- targetWidth = target.width();
- targetHeight = target.height();
- basePosition = { top: 0, left: 0 };
- } else if ( options.of.scrollTo && options.of.document ) {
- targetWidth = target.width();
- targetHeight = target.height();
- basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
- } else if ( options.of.preventDefault ) {
- // force left top to allow flipping
- options.at = "left top";
- targetWidth = targetHeight = 0;
- basePosition = { top: options.of.pageY, left: options.of.pageX };
- } else {
- targetWidth = target.outerWidth();
- targetHeight = target.outerHeight();
- basePosition = target.offset();
- }
-
- // force my and at to have valid horizontal and veritcal positions
- // if a value is missing or invalid, it will be converted to center
- $.each( [ "my", "at" ], function() {
- var pos = ( options[this] || "" ).split( " " );
- if ( pos.length === 1) {
- pos = horizontalPositions.test( pos[0] ) ?
- pos.concat( [verticalDefault] ) :
- verticalPositions.test( pos[0] ) ?
- [ horizontalDefault ].concat( pos ) :
- [ horizontalDefault, verticalDefault ];
- }
- pos[ 0 ] = horizontalPositions.test( pos[0] ) ? pos[ 0 ] : horizontalDefault;
- pos[ 1 ] = verticalPositions.test( pos[1] ) ? pos[ 1 ] : verticalDefault;
- options[ this ] = pos;
- });
-
- // normalize collision option
- if ( collision.length === 1 ) {
- collision[ 1 ] = collision[ 0 ];
- }
-
- // normalize offset option
- offset[ 0 ] = parseInt( offset[0], 10 ) || 0;
- if ( offset.length === 1 ) {
- offset[ 1 ] = offset[ 0 ];
- }
- offset[ 1 ] = parseInt( offset[1], 10 ) || 0;
-
- if ( options.at[0] === "right" ) {
- basePosition.left += targetWidth;
- } else if (options.at[0] === horizontalDefault ) {
- basePosition.left += targetWidth / 2;
- }
-
- if ( options.at[1] === "bottom" ) {
- basePosition.top += targetHeight;
- } else if ( options.at[1] === verticalDefault ) {
- basePosition.top += targetHeight / 2;
- }
-
- basePosition.left += offset[ 0 ];
- basePosition.top += offset[ 1 ];
-
- return this.each(function() {
- var elem = $( this ),
- elemWidth = elem.outerWidth(),
- elemHeight = elem.outerHeight(),
- position = $.extend( {}, basePosition );
-
- if ( options.my[0] === "right" ) {
- position.left -= elemWidth;
- } else if ( options.my[0] === horizontalDefault ) {
- position.left -= elemWidth / 2;
- }
-
- if ( options.my[1] === "bottom" ) {
- position.top -= elemHeight;
- } else if ( options.my[1] === verticalDefault ) {
- position.top -= elemHeight / 2;
- }
-
- // prevent fractions (see #5280)
- position.left = parseInt( position.left );
- position.top = parseInt( position.top );
-
- $.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,
- offset: offset,
- my: options.my,
- at: options.at
- });
- }
- });
-
- if ( $.fn.bgiframe ) {
- elem.bgiframe();
- }
- elem.offset( $.extend( position, { using: options.using } ) );
- });
-};
-
-$.ui.position = {
- fit: {
- left: function( position, data ) {
- var win = $( window ),
- over = position.left + data.elemWidth - win.width() - win.scrollLeft();
- position.left = over > 0 ? position.left - over : Math.max( 0, position.left );
- },
- top: function( position, data ) {
- var win = $( window ),
- over = position.top + data.elemHeight - win.height() - win.scrollTop();
- position.top = over > 0 ? position.top - over : Math.max( 0, position.top );
- }
- },
-
- flip: {
- left: function( position, data ) {
- if ( data.at[0] === "center" ) {
- return;
- }
- var win = $( window ),
- over = position.left + data.elemWidth - win.width() - win.scrollLeft(),
- myOffset = data.my[ 0 ] === "left" ?
- -data.elemWidth :
- data.my[ 0 ] === "right" ?
- data.elemWidth :
- 0,
- offset = -2 * data.offset[ 0 ];
- position.left += position.left < 0 ?
- myOffset + data.targetWidth + offset :
- over > 0 ?
- myOffset - data.targetWidth + offset :
- 0;
- },
- top: function( position, data ) {
- if ( data.at[1] === "center" ) {
- return;
- }
- var win = $( window ),
- over = position.top + data.elemHeight - win.height() - win.scrollTop(),
- myOffset = data.my[ 1 ] === "top" ?
- -data.elemHeight :
- data.my[ 1 ] === "bottom" ?
- data.elemHeight :
- 0,
- atOffset = data.at[ 1 ] === "top" ?
- data.targetHeight :
- -data.targetHeight,
- offset = -2 * data.offset[ 1 ];
- position.top += position.top < 0 ?
- myOffset + data.targetHeight + offset :
- over > 0 ?
- myOffset + atOffset + offset :
- 0;
- }
- }
-};
-
-// offset setter from jQuery 1.4
-if ( !$.offset.setOffset ) {
- $.offset.setOffset = function( elem, options ) {
- // set position first, in-case top/left are set even on static elem
- if ( /static/.test( $.curCSS( elem, "position" ) ) ) {
- elem.style.position = "relative";
- }
- var curElem = $( elem ),
- curOffset = curElem.offset(),
- curTop = parseInt( $.curCSS( elem, "top", true ), 10 ) || 0,
- curLeft = parseInt( $.curCSS( elem, "left", true ), 10) || 0,
- props = {
- top: (options.top - curOffset.top) + curTop,
- left: (options.left - curOffset.left) + curLeft
- };
-
- if ( 'using' in options ) {
- options.using.call( elem, props );
- } else {
- curElem.css( props );
- }
- };
-
- $.fn.offset = function( options ) {
- var elem = this[ 0 ];
- if ( !elem || !elem.ownerDocument ) { return null; }
- if ( options ) {
- return this.each(function() {
- $.offset.setOffset( this, options );
- });
- }
- return _offset.call( this );
- };
-}
-
-}( jQuery ));
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