+var runtil = /Until$/,
+ rparentsprev = /^(?:parents|prevUntil|prevAll)/,
+ // Note: This RegExp should be improved, or likely pulled from Sizzle
+ rmultiselector = /,/,
+ slice = Array.prototype.slice;
+
// Implement the identical functionality for filter and not
var winnow = function( elements, qualifier, keep ) {
if ( jQuery.isFunction( qualifier ) ) {
return jQuery.grep(elements, function(elem, i) {
- return !!qualifier.call( elem, i ) === keep;
+ return !!qualifier.call( elem, i, elem ) === keep;
});
} else if ( qualifier.nodeType ) {
return ret;
},
+ has: function( target ) {
+ var targets = jQuery( target );
+ return this.filter(function() {
+ for ( var i = 0, l = targets.length; i < l; i++ ) {
+ if ( jQuery.contains( this, targets[i] ) ) {
+ return true;
+ }
+ }
+ });
+ },
+
+ contains: function( target ) {
+ return this.has( target ).length > 0;
+ },
+
not: function( selector ) {
return this.pushStack( winnow(this, selector, false), "not", selector);
},
filter: function( selector ) {
return this.pushStack( winnow(this, selector, true), "filter", selector );
},
+
+ is: function( selector ) {
+ return !!selector && jQuery.filter( selector, this ).length > 0;
+ },
closest: function( selectors, context ) {
if ( jQuery.isArray( selectors ) ) {
return null;
});
},
+
+ // Determine the position of an element within
+ // the matched set of elements
+ index: function( elem ) {
+ if ( !elem || typeof elem === "string" ) {
+ return jQuery.inArray( this[0],
+ // If it receives a string, the selector is used
+ // If it receives nothing, the siblings are used
+ elem ? jQuery( elem ) : this.parent().children() );
+ }
+ // Locate the position of the desired element
+ return jQuery.inArray(
+ // If it receives a jQuery object, the first element is used
+ elem.jquery ? elem[0] : elem, this );
+ },
add: function( selector, context ) {
var set = typeof selector === "string" ?
all );
},
- eq: function( i ) {
- return i === -1 ?
- this.slice( i ) :
- this.slice( i, +i + 1 );
- },
-
- first: function() {
- return this.eq( 0 );
- },
-
- last: function() {
- return this.eq( -1 );
- },
-
- slice: function() {
- return this.pushStack( Array.prototype.slice.apply( this, arguments ),
- "slice", Array.prototype.slice.call(arguments).join(",") );
- },
-
- map: function( callback ) {
- return this.pushStack( jQuery.map(this, function(elem, i){
- return callback.call( elem, i, elem );
- }));
- },
-
andSelf: function() {
return this.add( this.prevObject );
- },
-
- end: function() {
- return this.prevObject || jQuery(null);
}
});
jQuery.each({
parent: function(elem){return elem.parentNode;},
parents: function(elem){return jQuery.dir(elem,"parentNode");},
+ parentsUntil: function(elem,i,until){return jQuery.dir(elem,"parentNode",until);},
next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
+ nextUntil: function(elem,i,until){return jQuery.dir(elem,"nextSibling",until);},
+ prevUntil: function(elem,i,until){return jQuery.dir(elem,"previousSibling",until);},
siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
children: function(elem){return jQuery.sibling(elem.firstChild);},
contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
}, function(name, fn){
- jQuery.fn[ name ] = function( selector ) {
- var ret = jQuery.map( this, fn );
+ jQuery.fn[ name ] = function( until, selector ) {
+ var ret = jQuery.map( this, fn, until );
+
+ if ( !runtil.test( name ) ) {
+ selector = until;
+ }
if ( selector && typeof selector === "string" ) {
ret = jQuery.filter( selector, ret );
ret = this.length > 1 ? jQuery.unique( ret ) : ret;
- if ( name === "parents" && this.length > 1 ) {
+ if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
ret = ret.reverse();
}
- return this.pushStack( ret, name, selector );
+ return this.pushStack( ret, name, slice.call(arguments).join(",") );
};
});
return jQuery.find.matches(expr, elems);
},
- dir: function( elem, dir ) {
+ dir: function( elem, dir, until ) {
var matched = [], cur = elem[dir];
- while ( cur && cur.nodeType !== 9 ) {
+ while ( cur && cur.nodeType !== 9 && (until === undefined || !jQuery( cur ).is( until )) ) {
if ( cur.nodeType === 1 ) {
matched.push( cur );
}