Made it so that you no longer need to build jQuery in order to run the test suite...
[jquery.git] / src / css.js
index b8a1350..ad0da64 100644 (file)
 // 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 );
-
-       // ignore negative width and height values
-       if ( (name == 'width' || name == 'height') && parseFloat(value) < 0 )
-               value = undefined;
-
-       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 ) {
+                       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" ) {
                        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));
                }
 
@@ -120,12 +98,12 @@ jQuery.extend({
        },
 
        curCSS: function( elem, name, force ) {
-               var ret, style = elem.style;
+               var ret, style = elem.style, filter;
 
                // IE uses filters for opacity
-               if ( !jQuery.support.opacity && name == "opacity" ) {
-                       ret = style.filter && style.filter.indexOf("opacity=") >= 0 ?
-                               (parseFloat( style.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
+               if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) {
+                       ret = ropacity.test(elem.currentStyle.filter || "") ?
+                               (parseFloat(RegExp.$1) / 100) + "" :
                                "";
 
                        return ret === "" ?
@@ -134,8 +112,9 @@ jQuery.extend({
                }
 
                // 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 ];
@@ -143,24 +122,31 @@ jQuery.extend({
                } 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();
+
+                       var defaultView = elem.ownerDocument.defaultView;
 
-                       name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
+                       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 ];
 
@@ -169,13 +155,13 @@ jQuery.extend({
 
                        // 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
@@ -190,6 +176,7 @@ jQuery.extend({
        // 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 ];
@@ -199,7 +186,49 @@ jQuery.extend({
                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 );
+       };
+}