5 * Copyright 2012 jQuery Foundation and other contributors
6 * Released under the MIT license.
7 * http://jquery.org/license
9 * http://api.jqueryui.com/category/ui-core/
11 (function( $, undefined ) {
14 runiqueId
= /^ui-id-\d+$/;
16 // prevent duplicate loading
17 // this is only a problem because we proxy existing functions
18 // and we don't want to double proxy them
56 focus: function( delay
, fn
) {
57 return typeof delay
=== "number" ?
58 this.each(function() {
60 setTimeout(function() {
67 this._focus
.apply( this, arguments
);
70 scrollParent: function() {
72 if (($.ui
.ie
&& (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
73 scrollParent
= this.parents().filter(function() {
74 return (/(relative|absolute|fixed)/).test($.css(this,'position')) && (/(auto|scroll)/).test($.css(this,'overflow')+$.css(this,'overflow-y')+$.css(this,'overflow-x'));
77 scrollParent
= this.parents().filter(function() {
78 return (/(auto|scroll)/).test($.css(this,'overflow')+$.css(this,'overflow-y')+$.css(this,'overflow-x'));
82 return (/fixed/).test(this.css('position')) || !scrollParent
.length
? $(document
) : scrollParent
;
85 zIndex: function( zIndex
) {
86 if ( zIndex
!== undefined ) {
87 return this.css( "zIndex", zIndex
);
91 var elem
= $( this[ 0 ] ), position
, value
;
92 while ( elem
.length
&& elem
[ 0 ] !== document
) {
93 // Ignore z-index if position is set to a value where z-index is ignored by the browser
94 // This makes behavior of this function consistent across browsers
95 // WebKit always returns auto if the element is positioned
96 position
= elem
.css( "position" );
97 if ( position
=== "absolute" || position
=== "relative" || position
=== "fixed" ) {
98 // IE returns 0 when zIndex is not specified
99 // other browsers return a string
100 // we ignore the case of nested elements with an explicit value of 0
101 // <div style="z-index: -10;"><div style="z-index: 0;"></div></div>
102 value
= parseInt( elem
.css( "zIndex" ), 10 );
103 if ( !isNaN( value
) && value
!== 0 ) {
107 elem
= elem
.parent();
114 uniqueId: function() {
115 return this.each(function() {
117 this.id
= "ui-id-" + (++uuid
);
122 removeUniqueId: function() {
123 return this.each(function() {
124 if ( runiqueId
.test( this.id
) ) {
125 $( this ).removeAttr( "id" );
132 function focusable( element
, isTabIndexNotNaN
) {
133 var map
, mapName
, img
,
134 nodeName
= element
.nodeName
.toLowerCase();
135 if ( "area" === nodeName
) {
136 map
= element
.parentNode
;
138 if ( !element
.href
|| !mapName
|| map
.nodeName
.toLowerCase() !== "map" ) {
141 img
= $( "img[usemap=#" + mapName
+ "]" )[0];
142 return !!img
&& visible( img
);
144 return ( /input|select|textarea|button|object/.test( nodeName
) ?
147 element
.href
|| isTabIndexNotNaN
:
149 // the element and all of its ancestors must be visible
153 function visible( element
) {
154 return $.expr
.filters
.visible( element
) &&
155 !$( element
).parents().andSelf().filter(function() {
156 return $.css( this, "visibility" ) === "hidden";
160 $.extend( $.expr
[ ":" ], {
161 data
: $.expr
.createPseudo
?
162 $.expr
.createPseudo(function( dataName
) {
163 return function( elem
) {
164 return !!$.data( elem
, dataName
);
167 // support: jQuery <1.8
168 function( elem
, i
, match
) {
169 return !!$.data( elem
, match
[ 3 ] );
172 focusable: function( element
) {
173 return focusable( element
, !isNaN( $.attr( element
, "tabindex" ) ) );
176 tabbable: function( element
) {
177 var tabIndex
= $.attr( element
, "tabindex" ),
178 isTabIndexNaN
= isNaN( tabIndex
);
179 return ( isTabIndexNaN
|| tabIndex
>= 0 ) && focusable( element
, !isTabIndexNaN
);
185 var body
= document
.body
,
186 div
= body
.appendChild( div
= document
.createElement( "div" ) );
188 // access offsetHeight before setting the style to prevent a layout bug
189 // in IE 9 which causes the element to continue to take up space even
190 // after it is removed from the DOM (#8026)
193 $.extend( div
.style
, {
200 $.support
.minHeight
= div
.offsetHeight
=== 100;
201 $.support
.selectstart
= "onselectstart" in div
;
203 // set display to none to avoid a layout bug in IE
204 // http://dev.jquery.com/ticket/4014
205 body
.removeChild( div
).style
.display
= "none";
208 // support: jQuery <1.8
209 if ( !$( "<a>" ).outerWidth( 1 ).jquery
) {
210 $.each( [ "Width", "Height" ], function( i
, name
) {
211 var side
= name
=== "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],
212 type
= name
.toLowerCase(),
214 innerWidth
: $.fn
.innerWidth
,
215 innerHeight
: $.fn
.innerHeight
,
216 outerWidth
: $.fn
.outerWidth
,
217 outerHeight
: $.fn
.outerHeight
220 function reduce( elem
, size
, border
, margin
) {
221 $.each( side
, function() {
222 size
-= parseFloat( $.css( elem
, "padding" + this ) ) || 0;
224 size
-= parseFloat( $.css( elem
, "border" + this + "Width" ) ) || 0;
227 size
-= parseFloat( $.css( elem
, "margin" + this ) ) || 0;
233 $.fn
[ "inner" + name
] = function( size
) {
234 if ( size
=== undefined ) {
235 return orig
[ "inner" + name
].call( this );
238 return this.each(function() {
239 $( this ).css( type
, reduce( this, size
) + "px" );
243 $.fn
[ "outer" + name
] = function( size
, margin
) {
244 if ( typeof size
!== "number" ) {
245 return orig
[ "outer" + name
].call( this, size
);
248 return this.each(function() {
249 $( this).css( type
, reduce( this, size
, true, margin
) + "px" );
255 // support: jQuery 1.6.1, 1.6.2 (http://bugs.jquery.com/ticket/9413)
256 if ( $( "<a>" ).data( "a-b", "a" ).removeData( "a-b" ).data( "a-b" ) ) {
257 $.fn
.removeData
= (function( removeData
) {
258 return function( key
) {
259 if ( arguments
.length
) {
260 return removeData
.call( this, $.camelCase( key
) );
262 return removeData
.call( this );
265 })( $.fn
.removeData
);
275 var uaMatch
= /msie ([\w.]+)/.exec( navigator
.userAgent
.toLowerCase() ) || [];
276 $.ui
.ie
= uaMatch
.length
? true : false;
277 $.ui
.ie6
= parseFloat( uaMatch
[ 1 ], 10 ) === 6;
281 disableSelection: function() {
282 return this.bind( ( $.support
.selectstart
? "selectstart" : "mousedown" ) +
283 ".ui-disableSelection", function( event
) {
284 event
.preventDefault();
288 enableSelection: function() {
289 return this.unbind( ".ui-disableSelection" );
294 // $.ui.plugin is deprecated. Use the proxy pattern instead.
296 add: function( module
, option
, set ) {
298 proto
= $.ui
[ module
].prototype;
300 proto
.plugins
[ i
] = proto
.plugins
[ i
] || [];
301 proto
.plugins
[ i
].push( [ option
, set[ i
] ] );
304 call: function( instance
, name
, args
) {
306 set = instance
.plugins
[ name
];
307 if ( !set || !instance
.element
[ 0 ].parentNode
|| instance
.element
[ 0 ].parentNode
.nodeType
=== 11 ) {
311 for ( i
= 0; i
< set.length
; i
++ ) {
312 if ( instance
.options
[ set[ i
][ 0 ] ] ) {
313 set[ i
][ 1 ].apply( instance
.element
, args
);
319 contains
: $.contains
,
321 // only used by resizable
322 hasScroll: function( el
, a
) {
324 //If overflow is hidden, the element might have extra content, but the user wants to hide it
325 if ( $( el
).css( "overflow" ) === "hidden") {
329 var scroll
= ( a
&& a
=== "left" ) ? "scrollLeft" : "scrollTop",
332 if ( el
[ scroll
] > 0 ) {
336 // TODO: determine which cases actually cause this to happen
337 // if the element doesn't have the scroll set, see if it's possible to
340 has
= ( el
[ scroll
] > 0 );
345 // these are odd functions, fix the API or move into individual plugins
346 isOverAxis: function( x
, reference
, size
) {
347 //Determines when x coordinate is over "b" element axis
348 return ( x
> reference
) && ( x
< ( reference
+ size
) );
350 isOver: function( y
, x
, top
, left
, height
, width
) {
351 //Determines when x, y coordinates is over "b" element
352 return $.ui
.isOverAxis( y
, top
, height
) && $.ui
.isOverAxis( x
, left
, width
);