- className: {
- // internal only, use addClass("class")
- add: function( elem, classNames ) {
- jQuery.each((classNames || "").split(/\s+/), function(i, className){
- if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
- elem.className += (elem.className ? " " : "") + className;
- });
- },
-
- // internal only, use removeClass("class")
- remove: function( elem, classNames ) {
- if (elem.nodeType == 1)
- elem.className = classNames !== undefined ?
- jQuery.grep(elem.className.split(/\s+/), function(className){
- return !jQuery.className.has( classNames, className );
- }).join(" ") :
- "";
- },
-
- // internal only, use hasClass("class")
- has: function( elem, className ) {
- return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
- }
- },
-
- // A method for quickly swapping in/out CSS properties to get correct calculations
- swap: function( elem, options, callback ) {
- var old = {};
- // Remember the old values, and insert the new ones
- for ( var name in options ) {
- old[ name ] = elem.style[ name ];
- elem.style[ name ] = options[ name ];
- }
-
- callback.call( elem );
-
- // Revert the old values
- for ( var name in options )
- elem.style[ name ] = old[ name ];
- },
-
- css: function( elem, name, force, extra ) {
- if ( name == "width" || name == "height" ) {
- var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
-
- function getWH() {
- val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
-
- if ( extra === "border" )
- return;
-
- jQuery.each( which, function() {
- if ( !extra )
- val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
- if ( extra === "margin" )
- val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
- else
- val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
- });
- }
-
- if ( elem.offsetWidth !== 0 )
- getWH();
- else
- jQuery.swap( elem, props, getWH );
-
- return Math.max(0, Math.round(val));
- }
-
- return jQuery.curCSS( elem, name, force );