X-Git-Url: http://git.asbjorn.biz/?p=jquery.git;a=blobdiff_plain;f=src%2Fcss.js;h=8a83c6072bd409b0dc65c7f17ff3cebf1afa9f7b;hp=ceed4e60b83c3e82f9f0244950f529be6007a7be;hb=1d1d4fe112c49cbd704d880b27cc646f2bfe1737;hpb=64e4a879f9f92053ac4d58a3fffc0bbff6900b6e

diff --git a/src/css.js b/src/css.js
index ceed4e6..8a83c60 100644
--- a/src/css.js
+++ b/src/css.js
@@ -1,216 +1,333 @@
-// 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\([^)]*\)/i,
 	ropacity = /opacity=([^)]*)/,
-	rfloat = /float/i,
 	rdashAlpha = /-([a-z])/ig,
 	rupper = /([A-Z])/g,
-	rnumpx = /^\d+(?:px)?$/i,
-	rnum = /^\d/,
-
-	// cache check for defaultView.getComputedStyle
-	getComputedStyle = document.defaultView && document.defaultView.getComputedStyle,
-	// normalize float css property
-	styleFloat = jQuery.support.cssFloat ? "cssFloat" : "styleFloat",
-	fcamelCase = function(all, letter){
+	rnumpx = /^-?\d+(?:px)?$/i,
+	rnum = /^-?\d/,
+
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
+	cssWidth = [ "Left", "Right" ],
+	cssHeight = [ "Top", "Bottom" ],
+	curCSS,
+
+	getComputedStyle,
+	currentStyle,
+
+	fcamelCase = function( all, letter ) {
 		return letter.toUpperCase();
 	};
 
 jQuery.fn.css = function( name, value ) {
-	return access( this, name, value, true, function( elem, name, value ) {
-		if (value === undefined) {
-			return jQuery.css( elem, name );
-		}
-		
-		if ( typeof value === "number" && !rexclude.test(name) ) {
-			value += "px";
-		}
+	// Setting 'undefined' is a no-op
+	if ( arguments.length === 2 && value === undefined ) {
+		return this;
+	}
 
-		jQuery.style( elem, name, value );
+	return jQuery.access( this, name, value, true, function( elem, name, value ) {
+		return value !== undefined ?
+			jQuery.style( elem, name, value ) :
+			jQuery.css( elem, name );
 	});
 };
 
 jQuery.extend({
-	style: function( elem, name, value ) {
-		// don't set styles on text and comment nodes
-		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
-			return undefined;
+	// Add in style property hooks for overriding the default
+	// behavior of getting and setting a style property
+	cssHooks: {
+		opacity: {
+			get: function( elem, computed ) {
+				if ( computed ) {
+					// We should always get a number back from opacity
+					var ret = curCSS( elem, "opacity", "opacity" );
+					return ret === "" ? "1" : ret;
+
+				} else {
+					return elem.style.opacity;
+				}
+			}
 		}
+	},
+
+	// Exclude the following css properties to add px
+	cssNumber: {
+		"zIndex": true,
+		"fontWeight": true,
+		"opacity": true,
+		"zoom": true,
+		"lineHeight": true
+	},
 
-		// ignore negative width and height values #1599
-		if ( (name === "width" || name === "height") && parseFloat(value) < 0 ) {
-			value = undefined;
+	// Add in properties whose names you wish to fix before
+	// setting or getting the value
+	cssProps: {
+		// normalize float css property
+		"float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
+	},
+
+	// Get and set the style property on a DOM Node
+	style: function( elem, name, value, extra ) {
+		// Don't set styles on text and comment nodes
+		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
+			return;
 		}
 
-		var style = elem.style || elem, set = value !== undefined;
+		// Make sure that we're working with the right name
+		var ret, origName = jQuery.camelCase( name ),
+			style = elem.style, hooks = jQuery.cssHooks[ origName ];
 
-		// IE uses filters for opacity
-		if ( !jQuery.support.opacity && name === "opacity" ) {
-			if ( set ) {
-				// IE has trouble with opacity if it does not have layout
-				// Force it by setting the zoom level
-				style.zoom = 1;
+		name = jQuery.cssProps[ origName ] || origName;
 
-				// Set the alpha filter to set the opacity
-				var opacity = parseInt( value, 10 ) + '' === "NaN" ? "" : "alpha(opacity=" + value * 100 + ")";
-				filter = style.filter || jQuery.curCSS( elem, 'filter' ) || ""
-				style.filter = ralpha.test(filter) ? filter.replace(ralpha, opacity) : opacity;
+		// Check if we're setting a value
+		if ( value !== undefined ) {
+			// Make sure that NaN and null values aren't set. See: #7116
+			if ( typeof value === "number" && isNaN( value ) || value == null ) {
+				return;
 			}
 
-			return style.filter && style.filter.indexOf("opacity=") >= 0 ?
-				(parseFloat( ropacity.exec(style.filter)[1] ) / 100) + '':
-				"";
-		}
+			// If a number was passed in, add 'px' to the (except for certain CSS properties)
+			if ( typeof value === "number" && !jQuery.cssNumber[ origName ] ) {
+				value += "px";
+			}
 
-		// Make sure we're using the right name for getting the float value
-		if ( rfloat.test( name ) ) {
-			name = styleFloat;
-		}
+			// If a hook was provided, use that value, otherwise just set the specified value
+			if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value )) !== undefined ) {
+				// Wrapped to prevent IE from throwing errors when 'invalid' values are provided
+				// Fixes bug #5509
+				try {
+					style[ name ] = value;
+				} catch(e) {}
+			}
 
-		name = name.replace(rdashAlpha, fcamelCase);
+		} else {
+			// If a hook was provided get the non-computed value from there
+			if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
+				return ret;
+			}
 
-		if ( set ) {
-			style[ name ] = value;
+			// Otherwise just get the value from the style object
+			return style[ name ];
 		}
-
-		return style[ 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;
+	css: function( elem, name, extra ) {
+		// Make sure that we're working with the right name
+		var ret, origName = jQuery.camelCase( name ),
+			hooks = jQuery.cssHooks[ origName ];
 
-				if ( extra === "border" ) { return; }
+		name = jQuery.cssProps[ origName ] || origName;
 
-				jQuery.each( which, function() {
-					if ( !extra ) {
-						val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
-					}
+		// If a hook was provided get the computed value from there
+		if ( hooks && "get" in hooks && (ret = hooks.get( elem, true, extra )) !== undefined ) {
+			return ret;
 
-					if ( extra === "margin" ) {
-						val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
-					} else {
-						val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
-					}
-				});
-			}
+		// Otherwise, if a way to get the computed value exists, use that
+		} else if ( curCSS ) {
+			return curCSS( elem, name, origName );
+		}
+	},
 
-			if ( elem.offsetWidth !== 0 ) {
-				getWH();
-			} else {
-				jQuery.swap( elem, props, getWH );
-			}
+	// A method for quickly swapping in/out CSS properties to get correct calculations
+	swap: function( elem, options, callback ) {
+		var old = {};
 
-			return Math.max(0, Math.round(val));
+		// Remember the old values, and insert the new ones
+		for ( var name in options ) {
+			old[ name ] = elem.style[ name ];
+			elem.style[ name ] = options[ name ];
 		}
 
-		return jQuery.curCSS( elem, name, force );
+		callback.call( elem );
+
+		// Revert the old values
+		for ( name in options ) {
+			elem.style[ name ] = old[ name ];
+		}
 	},
 
-	curCSS: function( elem, name, force ) {
-		var ret, style = elem.style, filter;
+	camelCase: function( string ) {
+		return string.replace( rdashAlpha, fcamelCase );
+	}
+});
 
-		// IE uses filters for opacity
-		if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
-			ret = ropacity.test(elem.currentStyle.filter || "") ?
-				(parseFloat(RegExp.$1) / 100) + "" :
-				"";
+// DEPRECATED, Use jQuery.css() instead
+jQuery.curCSS = jQuery.css;
 
-			return ret === "" ?
-				"1" :
-				ret;
-		}
+jQuery.each(["height", "width"], function( i, name ) {
+	jQuery.cssHooks[ name ] = {
+		get: function( elem, computed, extra ) {
+			var val;
 
-		// Make sure we're using the right name for getting the float value
-		if ( rfloat.test( name ) ) {
-			name = styleFloat;
-		}
+			if ( computed ) {
+				if ( elem.offsetWidth !== 0 ) {
+					val = getWH( elem, name, extra );
 
-		if ( !force && style && style[ name ] ) {
-			ret = style[ name ];
+				} else {
+					jQuery.swap( elem, cssShow, function() {
+						val = getWH( elem, name, extra );
+					});
+				}
 
-		} else if ( getComputedStyle ) {
+				if ( val <= 0 ) {
+					val = curCSS( elem, name, name );
 
-			// Only "float" is needed here
-			if ( rfloat.test( name ) ) {
-				name = "float";
-			}
+					if ( val === "0px" && currentStyle ) {
+						val = currentStyle( elem, name, name );
+					}
 
-			name = name.replace( rupper, "-$1" ).toLowerCase();
+					if ( val != null ) {
+						// Should return "auto" instead of 0, use 0 for
+						// temporary backwards-compat
+						return val === "" || val === "auto" ? "0px" : val;
+					}
+				}
+
+				if ( val < 0 || val == null ) {
+					val = elem.style[ name ];
 
-			var computedStyle = elem.ownerDocument.defaultView.getComputedStyle( elem, null );
+					// Should return "auto" instead of 0, use 0 for
+					// temporary backwards-compat
+					return val === "" || val === "auto" ? "0px" : val;
+				}
 
-			if ( computedStyle ) {
-				ret = computedStyle.getPropertyValue( name );
+				return typeof val === "string" ? val : val + "px";
 			}
+		},
+
+		set: function( elem, value ) {
+			if ( rnumpx.test( value ) ) {
+				// ignore negative width and height values #1599
+				value = parseFloat(value);
 
-			// We should always get a number back from opacity
-			if ( name === "opacity" && ret === "" ) {
-				ret = "1";
+				if ( value >= 0 ) {
+					return value + "px";
+				}
+
+			} else {
+				return value;
 			}
+		}
+	};
+});
 
-		} else if ( elem.currentStyle ) {
-			var camelCase = name.replace(rdashAlpha, fcamelCase);
+if ( !jQuery.support.opacity ) {
+	jQuery.cssHooks.opacity = {
+		get: function( elem, computed ) {
+			// IE uses filters for opacity
+			return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ?
+				(parseFloat(RegExp.$1) / 100) + "" :
+				computed ? "1" : "";
+		},
 
-			ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
+		set: function( elem, value ) {
+			var style = elem.style;
 
-			// From the awesome hack by Dean Edwards
-			// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
+			// IE has trouble with opacity if it does not have layout
+			// Force it by setting the zoom level
+			style.zoom = 1;
 
-			// If we're not dealing with a regular pixel number
-			// but a number that has a weird ending, we need to convert it to pixels
-			if ( !rnumpx.test( ret ) && rnum.test( ret ) ) {
-				// Remember the original values
-				var left = style.left, rsLeft = elem.runtimeStyle.left;
+			// Set the alpha filter to set the opacity
+			var opacity = jQuery.isNaN(value) ?
+				"" :
+				"alpha(opacity=" + value * 100 + ")",
+				filter = style.filter || "";
 
-				// Put in the new values to get a computed value out
-				elem.runtimeStyle.left = elem.currentStyle.left;
-				style.left = camelCase === "fontSize" ? "1em" : (ret || 0);
-				ret = style.pixelLeft + "px";
+			style.filter = ralpha.test(filter) ?
+				filter.replace(ralpha, opacity) :
+				style.filter + ' ' + opacity;
+		}
+	};
+}
 
-				// Revert the changed values
-				style.left = left;
-				elem.runtimeStyle.left = rsLeft;
+if ( document.defaultView && document.defaultView.getComputedStyle ) {
+	getComputedStyle = function( elem, newName, name ) {
+		var ret, defaultView, computedStyle;
+
+		name = name.replace( rupper, "-$1" ).toLowerCase();
+
+		if ( !(defaultView = elem.ownerDocument.defaultView) ) {
+			return undefined;
+		}
+
+		if ( (computedStyle = defaultView.getComputedStyle( elem, null )) ) {
+			ret = computedStyle.getPropertyValue( name );
+			if ( ret === "" && !jQuery.contains( elem.ownerDocument.documentElement, elem ) ) {
+				ret = jQuery.style( elem, name );
 			}
 		}
 
 		return ret;
-	},
+	};
+}
 
-	// A method for quickly swapping in/out CSS properties to get correct calculations
-	swap: function( elem, options, callback ) {
-		var old = {};
+if ( document.documentElement.currentStyle ) {
+	currentStyle = function( elem, name ) {
+		var left, rsLeft,
+			ret = elem.currentStyle && 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
+
+		// If we're not dealing with a regular pixel number
+		// but a number that has a weird ending, we need to convert it to pixels
+		if ( !rnumpx.test( ret ) && rnum.test( ret ) ) {
+			// Remember the original values
+			left = style.left;
+			rsLeft = elem.runtimeStyle.left;
+
+			// Put in the new values to get a computed value out
+			elem.runtimeStyle.left = elem.currentStyle.left;
+			style.left = name === "fontSize" ? "1em" : (ret || 0);
+			ret = style.pixelLeft + "px";
+
+			// Revert the changed values
+			style.left = left;
+			elem.runtimeStyle.left = rsLeft;
+		}
 
-		// Remember the old values, and insert the new ones
-		for ( var name in options ) {
-			old[ name ] = elem.style[ name ];
-			elem.style[ name ] = options[ name ];
+		return ret === "" ? "auto" : ret;
+	};
+}
+
+curCSS = getComputedStyle || currentStyle;
+
+function getWH( elem, name, extra ) {
+	var which = name === "width" ? cssWidth : cssHeight,
+		val = name === "width" ? elem.offsetWidth : elem.offsetHeight;
+
+	if ( extra === "border" ) {
+		return val;
+	}
+
+	jQuery.each( which, function() {
+		if ( !extra ) {
+			val -= parseFloat(jQuery.css( elem, "padding" + this )) || 0;
 		}
 
-		callback.call( elem );
+		if ( extra === "margin" ) {
+			val += parseFloat(jQuery.css( elem, "margin" + this )) || 0;
 
-		// Revert the old values
-		for ( var name in options ) {
-			elem.style[ name ] = old[ name ];
+		} else {
+			val -= parseFloat(jQuery.css( elem, "border" + this + "Width" )) || 0;
 		}
-	}
-});
+	});
+
+	return val;
+}
 
 if ( jQuery.expr && jQuery.expr.filters ) {
-	jQuery.expr.filters.hidden = function(elem){
-		var width = elem.offsetWidth, height = elem.offsetHeight,
-			 force = /^tr$/i.test( elem.nodeName ); // ticket #4512
-		return ( width === 0 && height === 0 && !force ) ?
-			true :
-				( width !== 0 && height !== 0 && !force ) ?
-					false :
-						!!( jQuery.curCSS(elem, "display") === "none" );
+	jQuery.expr.filters.hidden = function( elem ) {
+		var width = elem.offsetWidth,
+			height = elem.offsetHeight;
+
+		return (width === 0 && height === 0) || (!jQuery.support.reliableHiddenOffsets && (elem.style.display || jQuery.css( elem, "display" )) === "none");
 	};
 
-	jQuery.expr.filters.visible = function(elem){
-		return !jQuery.expr.filters.hidden(elem);
+	jQuery.expr.filters.visible = function( elem ) {
+		return !jQuery.expr.filters.hidden( elem );
 	};
 }
+
+})( jQuery );