// exclude the following css properties to add px
-var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
+var rexclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
+ 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" },
+ 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";
+ styleFloat = jQuery.support.cssFloat ? "cssFloat" : "styleFloat",
+ fcamelCase = function( all, letter ) {
+ return letter.toUpperCase();
+ };
jQuery.fn.css = function( name, value ) {
- var options = name, isFunction = jQuery.isFunction( value );
-
- if ( typeof name === "string" ) {
- // Are we setting the style?
+ return jQuery.access( this, name, value, true, function( elem, name, value ) {
if ( value === undefined ) {
- return this.length ?
- jQuery.css( this[0], name ) :
- null;
-
- // Convert name, value params to options hash format
- } else {
- options = {};
- options[ name ] = value;
+ return jQuery.curCSS( elem, name );
}
- }
-
- // For each element...
- for ( var i = 0, l = this.length; i < l; i++ ) {
- var elem = this[i];
-
- // Set all the styles
- for ( var prop in options ) {
- value = options[prop];
-
- if ( isFunction ) {
- value = value.call( elem, i );
- }
-
- if ( typeof value === "number" && !exclude.test(prop) ) {
- value = value + "px";
- }
-
- jQuery.style( elem, prop, value );
+
+ if ( typeof value === "number" && !rexclude.test(name) ) {
+ value += "px";
}
- }
- return this;
+ jQuery.style( elem, name, value );
+ });
};
jQuery.extend({
style: function( elem, name, value ) {
// don't set styles on text and comment nodes
- if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
+ if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
return undefined;
+ }
// ignore negative width and height values #1599
- if ( (name == 'width' || name == 'height') && parseFloat(value) < 0 )
+ if ( (name === "width" || name === "height") && parseFloat(value) < 0 ) {
value = undefined;
+ }
var style = elem.style || elem, set = value !== undefined;
// IE uses filters for opacity
- if ( !jQuery.support.opacity && name == "opacity" ) {
+ if ( !jQuery.support.opacity && name === "opacity" && style.filter ) {
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
- style.filter = (style.filter || "").replace( /alpha\([^)]*\)/, "" ) +
- (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
+ 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( style.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
+ (parseFloat( ropacity.exec(style.filter)[1] ) / 100) + "":
"";
}
// Make sure we're using the right name for getting the float value
- if ( /float/i.test( name ) )
+ if ( rfloat.test( name ) ) {
name = styleFloat;
+ }
- name = name.replace(/-([a-z])/ig, function(all, letter){
- return letter.toUpperCase();
- });
+ name = name.replace(rdashAlpha, fcamelCase);
- if ( set )
+ if ( set ) {
style[ name ] = value;
+ }
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 ( name === "width" || name === "height" ) {
+ if ( elem.offsetWidth !== 0 ) {
+ val = getWH( elem, name, extra );
+
+ } else {
+ jQuery.swap( elem, cssShow, function() {
+ val = getWH( elem, name, extra );
});
}
- if ( elem.offsetWidth !== 0 )
- getWH();
- else
- jQuery.swap( elem, props, getWH );
-
return Math.max(0, Math.round(val));
}
// IE uses filters for opacity
if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
- ret = (elem.currentStyle.filter || "").match(/opacity=([^)]*)/) ?
+ ret = ropacity.test(elem.currentStyle.filter || "") ?
(parseFloat(RegExp.$1) / 100) + "" :
"";
}
// Make sure we're using the right name for getting the float value
- if ( /float/i.test( name ) )
+ if ( rfloat.test( name ) ) {
name = styleFloat;
+ }
if ( !force && style && style[ name ] ) {
ret = style[ name ];
} else if ( getComputedStyle ) {
// Only "float" is needed here
- if ( /float/i.test( name ) )
+ if ( rfloat.test( name ) ) {
name = "float";
+ }
+
+ name = name.replace( rupper, "-$1" ).toLowerCase();
- name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
+ var defaultView = elem.ownerDocument.defaultView;
+
+ if ( !defaultView ) {
+ return null;
+ }
- var computedStyle = elem.ownerDocument.defaultView.getComputedStyle( elem, null );
+ var computedStyle = defaultView.getComputedStyle( elem, null );
- if ( computedStyle )
+ if ( computedStyle ) {
ret = computedStyle.getPropertyValue( name );
+ }
// We should always get a number back from opacity
- if ( name == "opacity" && ret == "" )
+ if ( name === "opacity" && ret === "" ) {
ret = "1";
+ }
} else if ( elem.currentStyle ) {
- var camelCase = name.replace(/\-(\w)/g, function(all, letter){
- return letter.toUpperCase();
- });
+ var camelCase = name.replace(rdashAlpha, fcamelCase);
ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
// If we're not dealing with a regular pixel number
// but a number that has a weird ending, we need to convert it to pixels
- if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
+ if ( !rnumpx.test( ret ) && rnum.test( ret ) ) {
// Remember the original values
var 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 = ret || 0;
+ style.left = camelCase === "fontSize" ? "1em" : (ret || 0);
ret = style.pixelLeft + "px";
// Revert the changed values
// A method for quickly swapping in/out CSS properties to get correct calculations
swap: function( elem, options, callback ) {
var old = {};
+
// Remember the old values, and insert the new ones
for ( var name in options ) {
old[ name ] = elem.style[ name ];
callback.call( elem );
// Revert the old values
- for ( var name in options )
+ for ( name in options ) {
elem.style[ name ] = old[ name ];
+ }
}
-});
\ No newline at end of file
+});
+
+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 ) {
+ 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.curCSS(elem, "display") === "none";
+ };
+
+ jQuery.expr.filters.visible = function( elem ) {
+ return !jQuery.expr.filters.hidden( elem );
+ };
+}