X-Git-Url: http://git.asbjorn.it/?a=blobdiff_plain;ds=sidebyside;f=src%2Fcss.js;h=f263de87dc6aaab6740372e710cf5fd538ea3392;hb=ad950c8c5992937640a1e1aca8d63bb476b001f6;hp=cd77ec1bd1bd3f3dfd88b5550c57f810c176f674;hpb=920099b29c1157b637f918cdc293e1c89e9cd4dc;p=jquery.git

diff --git a/src/css.js b/src/css.js
index cd77ec1..f263de8 100644
--- a/src/css.js
+++ b/src/css.js
@@ -1,34 +1,54 @@
-// exclude the following css properties to add px
-var rexclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
-	ralpha = /alpha\([^)]*\)/,
+(function( jQuery ) {
+
+var ralpha = /alpha\([^)]*\)/,
 	ropacity = /opacity=([^)]*)/,
-	rfloat = /float/i,
 	rdashAlpha = /-([a-z])/ig,
 	rupper = /([A-Z])/g,
 	rnumpx = /^-?\d+(?:px)?$/i,
 	rnum = /^-?\d/,
 
-	cssShow = { position: "absolute", visibility: "hidden", display:"block" },
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
 	cssWidth = [ "Left", "Right" ],
 	cssHeight = [ "Top", "Bottom" ],
 	curCSS,
 
 	// cache check for defaultView.getComputedStyle
 	getComputedStyle = document.defaultView && document.defaultView.getComputedStyle,
-	// normalize float css property
-	styleFloat = jQuery.support.cssFloat ? "cssFloat" : "styleFloat",
+
 	fcamelCase = function( all, letter ) {
 		return letter.toUpperCase();
 	};
 
 jQuery.fn.css = function( name, value ) {
 	return jQuery.access( this, name, value, true, function( elem, name, value ) {
-		jQuery.css( elem, name, value );
+		return jQuery.css( elem, name, value );
 	});
 };
 
 jQuery.extend({
-	cssHooks: {},
+	cssHooks: {
+		opacity: {
+			get: function( elem ) {
+				// We should always get a number back from opacity
+				var ret = curCSS( elem, "opacity", "opacity" );
+				return ret === "" ? "1" : ret;
+			}
+		}
+	},
+
+	// exclude the following css properties to add px
+	cssNumber: {
+		"zIndex": true,
+		"fontWeight": true,
+		"opacity": true,
+		"zoom": true,
+		"lineHeight": true
+	},
+
+	cssProps: {
+		// normalize float css property
+		"float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
+	},
 
 	css: function( elem, name, value, force, extra ) {
 		// don't set styles on text and comment nodes
@@ -36,34 +56,30 @@ jQuery.extend({
 			return undefined;
 		}
 
-		// Make sure we're using the right name for getting the float value
-		if ( rfloat.test( name ) ) {
-			name = styleFloat;
-		}
-
-		name = name.replace( rdashAlpha, fcamelCase );
+		var ret, origName = name.replace( rdashAlpha, fcamelCase ),
+			style = elem.style || {}, hooks = jQuery.cssHooks[ origName ] || {};
 
-		var ret, style = elem.style || {}, hooks = jQuery.cssHooks[name] || {};
+		name = jQuery.cssProps[ origName ] || origName;
 
 		if ( value !== undefined ) {
-			if ( typeof value === "number" && !rexclude.test(name) ) {
+			if ( typeof value === "number" && !jQuery.cssNumber[ origName ] ) {
 				value += "px";
 			}
 
-			if ( !("set" in hooks) || (value = hooks.set( elem, value )) === false ) {
+			if ( !("set" in hooks) || (value = hooks.set( elem, value )) === undefined ) {
 				style[ name ] = value;
 			}
 
 		} else {
-			if ( "get" in hooks && (ret = hooks.get( elem, force, extra )) !== false ) {
+			if ( "get" in hooks && (ret = hooks.get( elem, force, extra )) !== undefined ) {
 				return ret;
 			}
 
-			if ( !force && name in style ) {
+			if ( !force && style && style[ name ] ) {
 				ret = style[ name ];
 
 			} else if ( curCSS ) {
-				ret = curCSS( elem, name );
+				ret = curCSS( elem, name, origName );
 			}
 
 			return ret;
@@ -92,6 +108,8 @@ jQuery.extend({
 jQuery.each(["height", "width"], function( i, name ) {
 	jQuery.cssHooks[ name ] = {
 		get: function( elem, force, extra ) {
+			var val;
+
 			if ( elem.offsetWidth !== 0 ) {
 				val = getWH( elem, name, extra );
 
@@ -100,11 +118,13 @@ jQuery.each(["height", "width"], function( i, name ) {
 					val = getWH( elem, name, extra );
 				});
 			}
+
+			return val;
 		},
 
 		set: function( elem, value ) {
 			// ignore negative width and height values #1599
-			elem.style[ name ] = Math.max( parseFloat(value), 0 );
+			return Math.max( parseFloat(value), 0 ) + "px";
 		}
 	};
 });
@@ -140,35 +160,25 @@ if ( !jQuery.support.opacity ) {
 }
 
 if ( getComputedStyle ) {
-	curCSS = function( elem, name ) {
+	curCSS = function( elem, newName, name ) {
 		var ret, defaultView, computedStyle;
 
-		// Only "float" is needed here
-		if ( rfloat.test( name ) ) {
-			name = "float";
-		}
-
 		name = name.replace( rupper, "-$1" ).toLowerCase();
 
 		if ( !(defaultView = elem.ownerDocument.defaultView) ) {
-			return null;
+			return undefined;
 		}
 
 		if ( (computedStyle = defaultView.getComputedStyle( elem, null )) ) {
 			ret = computedStyle.getPropertyValue( name );
 		}
 
-		// We should always get a number back from opacity
-		if ( name === "opacity" && ret === "" ) {
-			ret = "1";
-		}
-
 		return ret;
 	};
 
 } else if ( document.documentElement.currentStyle ) {
 	curCSS = function( elem, name ) {
-		var left, rsLeft, ret = elem.currentStyle[ name ];
+		var left, rsLeft, ret = elem.currentStyle[ name ], style = elem.style;
 
 		// From the awesome hack by Dean Edwards
 		// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
@@ -234,3 +244,5 @@ if ( jQuery.expr && jQuery.expr.filters ) {
 		return !jQuery.expr.filters.hidden( elem );
 	};
 }
+
+})( jQuery );