(function( jQuery ) {
-var ralpha = /alpha\([^)]*\)/,
+var ralpha = /alpha\([^)]*\)/i,
ropacity = /opacity=([^)]*)/,
rdashAlpha = /-([a-z])/ig,
rupper = /([A-Z])/g,
cssHeight = [ "Top", "Bottom" ],
curCSS,
- // cache check for defaultView.getComputedStyle
- getComputedStyle = document.defaultView && document.defaultView.getComputedStyle,
+ getComputedStyle,
+ currentStyle,
fcamelCase = function( all, letter ) {
return letter.toUpperCase();
};
jQuery.fn.css = function( name, value ) {
+ // Setting 'undefined' is a no-op
+ if ( arguments.length === 2 && value === undefined ) {
+ return this;
+ }
+
return jQuery.access( this, name, value, true, function( elem, name, value ) {
- return jQuery.css( elem, name, value );
+ return value !== undefined ?
+ jQuery.style( elem, name, value ) :
+ jQuery.css( elem, name );
});
};
jQuery.extend({
+ // Add in style property hooks for overriding the default
+ // behavior of getting and setting a style property
cssHooks: {
opacity: {
- get: function( elem ) {
- // We should always get a number back from opacity
- var ret = curCSS( elem, "opacity", "opacity" );
- return ret === "" ? "1" : ret;
+ 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
+ // Exclude the following css properties to add px
cssNumber: {
"zIndex": true,
"fontWeight": true,
"lineHeight": true
},
+ // 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"
},
- css: function( elem, name, value, force, extra ) {
- // don't set styles on text and comment nodes
- if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
- return undefined;
+ // 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 ret, origName = name.replace( rdashAlpha, fcamelCase ),
- style = elem.style || {}, hooks = jQuery.cssHooks[ origName ] || {};
+ // Make sure that we're working with the right name
+ var ret, origName = jQuery.camelCase( name ),
+ style = elem.style, hooks = jQuery.cssHooks[ origName ];
name = jQuery.cssProps[ origName ] || origName;
+ // 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;
+ }
+
+ // If a number was passed in, add 'px' to the (except for certain CSS properties)
if ( typeof value === "number" && !jQuery.cssNumber[ origName ] ) {
value += "px";
}
- if ( !("set" in hooks) || (value = hooks.set( elem, value )) === undefined ) {
- style[ name ] = value;
+ // 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) {}
}
} else {
- if ( !force && "get" in hooks && (ret = hooks.get( elem, force, extra )) !== undefined ) {
+ // 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;
+ }
- } else if ( !force && style[ name ] ) {
- ret = style[ name ];
+ // Otherwise just get the value from the style object
+ return style[ name ];
+ }
+ },
- } else if ( curCSS ) {
- ret = curCSS( elem, name, origName );
- }
+ 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 ];
+ name = jQuery.cssProps[ origName ] || origName;
+
+ // 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;
+
+ // Otherwise, if a way to get the computed value exists, use that
+ } else if ( curCSS ) {
+ return curCSS( elem, name, origName );
}
},
for ( name in options ) {
elem.style[ name ] = old[ name ];
}
+ },
+
+ camelCase: function( string ) {
+ return string.replace( rdashAlpha, fcamelCase );
}
});
+// DEPRECATED, Use jQuery.css() instead
+jQuery.curCSS = jQuery.css;
+
jQuery.each(["height", "width"], function( i, name ) {
jQuery.cssHooks[ name ] = {
- get: function( elem, force, extra ) {
+ get: function( elem, computed, extra ) {
var val;
- if ( elem.offsetWidth !== 0 ) {
- val = getWH( elem, name, extra );
-
- } else {
- jQuery.swap( elem, cssShow, function() {
+ if ( computed ) {
+ if ( elem.offsetWidth !== 0 ) {
val = getWH( elem, name, extra );
- });
- }
- return val + "px";
+ } else {
+ jQuery.swap( elem, cssShow, function() {
+ val = getWH( elem, name, extra );
+ });
+ }
+
+ if ( val <= 0 ) {
+ val = curCSS( elem, name, name );
+
+ if ( val === "0px" && currentStyle ) {
+ val = currentStyle( elem, name, name );
+ }
+
+ 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 ];
+
+ // Should return "auto" instead of 0, use 0 for
+ // temporary backwards-compat
+ return val === "" || val === "auto" ? "0px" : val;
+ }
+
+ return typeof val === "string" ? val : val + "px";
+ }
},
set: function( elem, value ) {
- // ignore negative width and height values #1599
- return Math.max( parseFloat(value), 0 ) + "px";
+ if ( rnumpx.test( value ) ) {
+ // ignore negative width and height values #1599
+ value = parseFloat(value);
+
+ if ( value >= 0 ) {
+ return value + "px";
+ }
+
+ } else {
+ return value;
+ }
}
};
});
if ( !jQuery.support.opacity ) {
jQuery.cssHooks.opacity = {
- get: function( elem, force ) {
+ get: function( elem, computed ) {
// IE uses filters for opacity
- return ropacity.test(elem.currentStyle.filter || "") ?
+ return ropacity.test((computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "") ?
(parseFloat(RegExp.$1) / 100) + "" :
- "1";
+ computed ? "1" : "";
},
set: function( elem, value ) {
style.zoom = 1;
// Set the alpha filter to set the opacity
- var opacity = parseInt( value, 10 ) + "" === "NaN" ?
+ var opacity = jQuery.isNaN(value) ?
"" :
- "alpha(opacity=" + value * 100 + ")";
-
- var filter = style.filter || jQuery.css( elem, "filter" ) || "";
+ "alpha(opacity=" + value * 100 + ")",
+ filter = style.filter || "";
style.filter = ralpha.test(filter) ?
filter.replace(ralpha, opacity) :
- opacity;
+ style.filter + ' ' + opacity;
}
};
}
-if ( getComputedStyle ) {
- curCSS = function( elem, newName, name ) {
+if ( document.defaultView && document.defaultView.getComputedStyle ) {
+ getComputedStyle = function( elem, newName, name ) {
var ret, defaultView, computedStyle;
name = name.replace( rupper, "-$1" ).toLowerCase();
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;
};
+}
-} else if ( document.documentElement.currentStyle ) {
- curCSS = function( elem, name ) {
- var left, rsLeft, ret = elem.currentStyle[ name ], style = elem.style;
+if ( document.documentElement.currentStyle ) {
+ currentStyle = function( elem, name ) {
+ var left,
+ ret = elem.currentStyle && elem.currentStyle[ name ],
+ rsLeft = elem.runtimeStyle && elem.runtimeStyle[ 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 ( !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;
+ if ( rsLeft ) {
+ 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;
+ if ( rsLeft ) {
+ elem.runtimeStyle.left = rsLeft;
+ }
}
- return ret;
+ 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;
jQuery.each( which, function() {
if ( !extra ) {
- val -= parseFloat(jQuery.css( elem, "padding" + this, undefined, true )) || 0;
+ val -= parseFloat(jQuery.css( elem, "padding" + this )) || 0;
}
if ( extra === "margin" ) {
- val += parseFloat(jQuery.css( elem, "margin" + this, undefined, true )) || 0;
+ val += parseFloat(jQuery.css( elem, "margin" + this )) || 0;
} else {
- val -= parseFloat(jQuery.css( elem, "border" + this + "Width", undefined, true )) || 0;
+ val -= parseFloat(jQuery.css( elem, "border" + this + "Width" )) || 0;
}
});
if ( jQuery.expr && jQuery.expr.filters ) {
jQuery.expr.filters.hidden = function( elem ) {
- var width = elem.offsetWidth, height = elem.offsetHeight,
- skip = elem.nodeName.toLowerCase() === "tr";
-
- return width === 0 && height === 0 && !skip ?
- true :
- width > 0 && height > 0 && !skip ?
- false :
- jQuery.css(elem, "display") === "none";
+ 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 ) {