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,
};
jQuery.fn.css = function( name, value ) {
- return access( this, name, value, true, function( elem, name, value ) {
+ return jQuery.access( this, name, value, true, function( elem, name, value ) {
if ( value === undefined ) {
return jQuery.curCSS( elem, name );
}
-
+
if ( typeof value === "number" && !rexclude.test(name) ) {
value += "px";
}
};
jQuery.extend({
+ cssHooks: {},
+
style: function( elem, name, value ) {
// don't set styles on text and comment nodes
if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
var style = elem.style || elem, set = value !== undefined;
- // 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;
-
- // Set the alpha filter to set the opacity
- var opacity = parseInt( value, 10 ) + '' === "NaN" ? "" : "alpha(opacity=" + value * 100 + ")";
- var filter = style.filter || jQuery.curCSS( elem, 'filter' ) || "";
- style.filter = ralpha.test(filter) ? filter.replace(ralpha, opacity) : opacity;
- }
-
- return style.filter && style.filter.indexOf("opacity=") >= 0 ?
- (parseFloat( ropacity.exec(style.filter)[1] ) / 100) + '':
- "";
- }
-
// Make sure we're using the right name for getting the float value
if ( rfloat.test( name ) ) {
name = styleFloat;
name = name.replace(rdashAlpha, fcamelCase);
- if ( set ) {
+ var hooks = jQuery.cssHooks[name] || {};
+
+ if ( set && (!("set" in hooks) || hooks.set( elem, value ) === false) ) {
style[ name ] = value;
}
+ if ( "get" in hooks ) {
+ var cssHookReturn = hooks.get( elem, false );
+ if ( cssHookReturn !== false ) {
+ return cssHookReturn;
+ }
+ }
+
return style[ name ];
},
css: function( elem, name, force, extra ) {
if ( name === "width" || name === "height" ) {
- var val, props = cssShow, which = name === "width" ? cssWidth : cssHeight;
-
- 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();
+ val = getWH( elem, name, extra );
+
} else {
- jQuery.swap( elem, props, getWH );
+ jQuery.swap( elem, cssShow, function() {
+ val = getWH( elem, name, extra );
+ });
}
return Math.max(0, Math.round(val));
},
curCSS: function( elem, name, force ) {
- var ret, style = elem.style, filter;
-
- // IE uses filters for opacity
- if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
- ret = ropacity.test(elem.currentStyle.filter || "") ?
- (parseFloat(RegExp.$1) / 100) + "" :
- "";
-
- return ret === "" ?
- "1" :
- ret;
- }
+ var ret, style = elem.style || {}, hooks = jQuery.cssHooks[name] || {};
// Make sure we're using the right name for getting the float value
if ( rfloat.test( name ) ) {
name = styleFloat;
}
- if ( !force && style && style[ name ] ) {
+ if ( "get" in hooks && (ret = hooks.get( elem, force )) !== false ) {
+ return ret;
+ }
+
+ if ( !force && name in style ) {
ret = style[ name ];
- } else if ( getComputedStyle ) {
+ } else if ( curCSS ) {
+ ret = curCSS( elem, name );
+ }
- // Only "float" is needed here
- if ( rfloat.test( name ) ) {
- name = "float";
- }
+ return ret;
+ },
- name = name.replace( rupper, "-$1" ).toLowerCase();
+ // A method for quickly swapping in/out CSS properties to get correct calculations
+ swap: function( elem, options, callback ) {
+ var old = {};
- var defaultView = elem.ownerDocument.defaultView;
+ // Remember the old values, and insert the new ones
+ for ( var name in options ) {
+ old[ name ] = elem.style[ name ];
+ elem.style[ name ] = options[ name ];
+ }
- if ( !defaultView ) {
- return null;
- }
+ callback.call( elem );
- var computedStyle = defaultView.getComputedStyle( elem, null );
+ // Revert the old values
+ for ( name in options ) {
+ elem.style[ name ] = old[ name ];
+ }
+ }
+});
- if ( computedStyle ) {
- ret = computedStyle.getPropertyValue( name );
- }
+if ( !jQuery.support.opacity ) {
+ jQuery.cssHooks.opacity = {
+ get: function( elem, force ) {
+ // IE uses filters for opacity
+ return ropacity.test(elem.currentStyle.filter || "") ?
+ (parseFloat(RegExp.$1) / 100) + "" :
+ "1";
+ },
- // We should always get a number back from opacity
- if ( name === "opacity" && ret === "" ) {
- ret = "1";
- }
+ set: function( elem, value ) {
+ var style = elem.style;
+
+ // IE has trouble with opacity if it does not have layout
+ // Force it by setting the zoom level
+ style.zoom = 1;
+
+ // Set the alpha filter to set the opacity
+ var opacity = parseInt( value, 10 ) + "" === "NaN" ?
+ "" :
+ "alpha(opacity=" + value * 100 + ")";
+
+ var filter = style.filter || jQuery.curCSS( elem, "filter" ) || "";
+
+ style.filter = ralpha.test(filter) ?
+ filter.replace(ralpha, opacity) :
+ opacity;
+ }
+ };
+}
+
+if ( getComputedStyle ) {
+ curCSS = function( elem, name ) {
+ var ret, defaultView, computedStyle;
+
+ // Only "float" is needed here
+ if ( rfloat.test( name ) ) {
+ name = "float";
+ }
+
+ name = name.replace( rupper, "-$1" ).toLowerCase();
- } else if ( elem.currentStyle ) {
- var camelCase = name.replace(rdashAlpha, fcamelCase);
+ if ( !(defaultView = elem.ownerDocument.defaultView) ) {
+ return null;
+ }
+
+ 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, camelCase = name.replace(rdashAlpha, fcamelCase),
ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
- // From the awesome hack by Dean Edwards
- // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
+ // 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
- var left = style.left, rsLeft = elem.runtimeStyle.left;
+ // 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 = camelCase === "fontSize" ? "1em" : (ret || 0);
- ret = style.pixelLeft + "px";
+ // 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";
- // Revert the changed values
- style.left = left;
- elem.runtimeStyle.left = rsLeft;
- }
+ // Revert the changed values
+ style.left = left;
+ elem.runtimeStyle.left = rsLeft;
}
return ret;
- },
+ };
+}
- // A method for quickly swapping in/out CSS properties to get correct calculations
- swap: function( elem, options, callback ) {
- var old = {};
+function getWH( elem, name, extra ) {
+ var which = name === "width" ? cssWidth : cssHeight,
+ val = name === "width" ? elem.offsetWidth : elem.offsetHeight;
- // Remember the old values, and insert the new ones
- for ( var name in options ) {
- old[ name ] = elem.style[ name ];
- elem.style[ name ] = options[ name ];
+ if ( extra === "border" ) {
+ return val;
+ }
+
+ jQuery.each( which, function() {
+ if ( !extra ) {
+ val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
}
- callback.call( elem );
+ if ( extra === "margin" ) {
+ val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
- // Revert the old values
- for ( var name in options ) {
- elem.style[ name ] = old[ name ];
+ } else {
+ val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
}
- }
-});
+ });
+
+ return val;
+}
if ( jQuery.expr && jQuery.expr.filters ) {
jQuery.expr.filters.hidden = function( elem ) {