rfloat = /float/i,
rdashAlpha = /-([a-z])/ig,
rupper = /([A-Z])/g,
- rnumpx = /^\d+(?:px)?$/i,
- rnum = /^\d/,
+ rnumpx = /^-?\d+(?:px)?$/i,
+ rnum = /^-?\d/,
+
+ cssShow = { position: "absolute", visibility: "hidden", display:"block" },
+ cssWidth = [ "Left", "Right" ],
+ cssHeight = [ "Top", "Bottom" ],
// 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){
+ 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 );
+ 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: {
+ opacity: {
+ get: function( elem, force ) {
+ var style = elem.style;
+ if ( jQuery.support.opacity && !style.filter ) {
+ return false; // move along, nothing to see here
+ }
+
+ // IE uses filters for opacity
+ var ret = ropacity.test(elem.currentStyle.filter || "") ?
+ (parseFloat(RegExp.$1) / 100) + "" :
+ "";
+
+ return ret === "" ?
+ "1" :
+ ret;
+ },
+
+ set: function( elem, value ) {
+ var style = elem.style;
+ if ( jQuery.support.opacity && !style.filter ) {
+ return false; // move along, nothing to see here
+ }
+
+ // 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;
+ }
+ }
+ },
+
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 = { 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();
+ 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, filter, hooks = jQuery.cssHooks[name] || {};
// Make sure we're using the right name for getting the float value
if ( rfloat.test( name ) ) {
name = styleFloat;
}
+ if ( "get" in hooks && ( ret = hooks.get( elem, force ) ) !== false ) {
+ return ret;
+ }
+
if ( !force && style && style[ name ] ) {
ret = style[ name ];
name = name.replace( rupper, "-$1" ).toLowerCase();
- var computedStyle = elem.ownerDocument.defaultView.getComputedStyle( elem, null );
+ var defaultView = elem.ownerDocument.defaultView;
+
+ if ( !defaultView ) {
+ return null;
+ }
+
+ var computedStyle = defaultView.getComputedStyle( elem, null );
if ( computedStyle ) {
ret = computedStyle.getPropertyValue( name );
callback.call( elem );
// Revert the old values
- for ( var name in options ) {
+ for ( name in options ) {
elem.style[ name ] = old[ name ];
}
}
});
+function getWH( elem, name, extra ) {
+ var which = name === "width" ? cssWidth : cssHeight,
+ val = name === "width" ? elem.offsetWidth : elem.offsetHeight;
+
+ if ( extra === "border" ) {
+ return val;
+ }
+
+ jQuery.each( which, function() {
+ if ( !extra ) {
+ val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
+ }
+
+ if ( extra === "margin" ) {
+ val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
+
+ } else {
+ val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
+ }
+ });
+
+ return val;
+}
+
if ( jQuery.expr && jQuery.expr.filters ) {
- jQuery.expr.filters.hidden = function(elem){
+ jQuery.expr.filters.hidden = function( elem ) {
var width = elem.offsetWidth, height = elem.offsetHeight,
- force = /^tr$/i.test( elem.nodeName ); // ticket #4512
+ skip = elem.nodeName.toLowerCase() === "tr";
- return width === 0 && height === 0 && !force ?
+ return width === 0 && height === 0 && !skip ?
true :
- width !== 0 && height !== 0 && !force ?
- false :
- jQuery.curCSS(elem, "display") === "none";
+ width > 0 && height > 0 && !skip ?
+ false :
+ jQuery.curCSS(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 );
};
}