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Split apart jQuery.css into jQuery.css (computed values) and jQuery.style (currently set values).

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This commit is contained in:
jeresig 2010-09-16 10:00:56 -04:00
parent 2131e1a7ad
commit 37b607d281
6 changed files with 86 additions and 66 deletions
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86
src/css.js
View file

@ -26,6 +26,8 @@ jQuery.fn.css = function( name, value ) {
};
jQuery.extend({
// Add in style property hooks for overriding the default
// behavior of getting and setting a style property
cssHooks: {
opacity: {
get: function( elem ) {
@ -36,7 +38,7 @@ jQuery.extend({
}
},
// exclude the following css properties to add px
// Exclude the following css properties to add px
cssNumber: {
"zIndex": true,
"fontWeight": true,
@ -45,43 +47,67 @@ jQuery.extend({
"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 ) {
// 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 undefined;
}
// Make sure that we're working with the right name
var ret, origName = name.replace( rdashAlpha, fcamelCase ),
style = elem.style || {}, hooks = jQuery.cssHooks[ origName ] || {};
style = elem.style, hooks = jQuery.cssHooks[ origName ];
name = jQuery.cssProps[ origName ] || origName;
// Check if we're setting a value
if ( value !== undefined ) {
// 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 ) {
// 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 ) {
style[ name ] = value;
}
} 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 ];
} else if ( force !== false && curCSS ) {
ret = curCSS( elem, name, origName );
}
// Otherwise just get the value from the style object
return style[ name ];
}
},
css: function( elem, name, value, extra ) {
// Make sure that we're working with the right name
var ret, origName = name.replace( rdashAlpha, fcamelCase ),
hooks = jQuery.cssHooks[ origName ];
name = jQuery.cssProps[ origName ] || origName;
// Check if we're setting a value, just use jQuery.style (DEPRECATED)
if ( value !== undefined ) {
jQuery.style( elem, name, value );
// If a hook was provided get the computed value from there
} else 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 );
}
},
@ -106,19 +132,21 @@ jQuery.extend({
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 );
});
}
return val + "px";
}
},
set: function( elem, value ) {
@ -134,9 +162,9 @@ jQuery.each(["height", "width"], function( i, name ) {
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.filter : elem.style.filter) || "") ?
(parseFloat(RegExp.$1) / 100) + "" :
"1";
},
@ -153,7 +181,7 @@ if ( !jQuery.support.opacity ) {
"" :
"alpha(opacity=" + value * 100 + ")";
var filter = style.filter || jQuery.css( elem, "filter" ) || "";
var filter = style.filter || elem.currentStyle.filter || "";
style.filter = ralpha.test(filter) ?
filter.replace(ralpha, opacity) :
@ -217,14 +245,14 @@ function getWH( elem, name, extra ) {
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;
}
});
@ -240,7 +268,7 @@ if ( jQuery.expr && jQuery.expr.filters ) {
true :
width > 0 && height > 0 && !skip ?
false :
jQuery.css(elem, "display") === "none";
(elem.style.display || jQuery.css( elem, "display" )) === "none";
};
jQuery.expr.filters.visible = function( elem ) {

4
src/dimensions.js
View file

@ -8,14 +8,14 @@ jQuery.each([ "Height", "Width" ], function( i, name ) {
// innerHeight and innerWidth
jQuery.fn["inner" + name] = function() {
return this[0] ?
parseFloat( jQuery.css( this[0], type, undefined, false, "padding" ), 10 ) :
parseFloat( jQuery.css( this[0], type, undefined, "padding" ), 10 ) :
null;
};
// outerHeight and outerWidth
jQuery.fn["outer" + name] = function( margin ) {
return this[0] ?
parseFloat( jQuery.css( this[0], type, undefined, false, margin ? "margin" : "border" ), 10 ) :
parseFloat( jQuery.css( this[0], type, undefined, margin ? "margin" : "border" ), 10 ) :
null;
};

22
src/effects.js vendored
View file

@ -29,7 +29,7 @@ jQuery.fn.extend({
this[i].style.display = old || "";
if ( jQuery.css(this[i], "display") === "none" ) {
if ( jQuery.css( this[i], "display" ) === "none" ) {
var nodeName = this[i].nodeName, display;
if ( elemdisplay[ nodeName ] ) {
@ -71,7 +71,7 @@ jQuery.fn.extend({
for ( var i = 0, l = this.length; i < l; i++ ) {
var old = jQuery.data(this[i], "olddisplay");
if ( !old && old !== "none" ) {
jQuery.data( this[i], "olddisplay", jQuery.css(this[i], "display") );
jQuery.data( this[i], "olddisplay", jQuery.css( this[i], "display" ) );
}
}
@ -139,7 +139,7 @@ jQuery.fn.extend({
if ( ( p === "height" || p === "width" ) && this.style ) {
// Store display property
opt.display = jQuery.css(this, "display");
opt.display = this.style.display;
// Make sure that nothing sneaks out
opt.overflow = this.style.overflow;
@ -316,13 +316,13 @@ jQuery.fx.prototype = {
},
// Get the current size
cur: function( force ) {
cur: function() {
if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) {
return this.elem[ this.prop ];
}
var r = parseFloat(jQuery.css(this.elem, this.prop, undefined, force));
return r && r > -10000 ? r : parseFloat(jQuery.css(this.elem, this.prop)) || 0;
var r = jQuery.css( this.elem, this.prop );
return r && r > -10000 ? r : 0;
},
// Start an animation from one number to another
@ -349,7 +349,7 @@ jQuery.fx.prototype = {
// Simple 'show' function
show: function() {
// Remember where we started, so that we can go back to it later
this.options.orig[this.prop] = jQuery.css( this.elem, this.prop, undefined, false );
this.options.orig[this.prop] = jQuery.style( this.elem, this.prop );
this.options.show = true;
// Begin the animation
@ -364,7 +364,7 @@ jQuery.fx.prototype = {
// Simple 'hide' function
hide: function() {
// Remember where we started, so that we can go back to it later
this.options.orig[this.prop] = jQuery.css( this.elem, this.prop, undefined, false );
this.options.orig[this.prop] = jQuery.style( this.elem, this.prop );
this.options.hide = true;
// Begin the animation
@ -397,7 +397,7 @@ jQuery.fx.prototype = {
var old = jQuery.data(this.elem, "olddisplay");
this.elem.style.display = old ? old : this.options.display;
if ( jQuery.css(this.elem, "display") === "none" ) {
if ( jQuery.css( this.elem, "display" ) === "none" ) {
this.elem.style.display = "block";
}
}
@ -410,7 +410,7 @@ jQuery.fx.prototype = {
// Reset the properties, if the item has been hidden or shown
if ( this.options.hide || this.options.show ) {
for ( var p in this.options.curAnim ) {
jQuery.css( this.elem, p, this.options.orig[p] );
jQuery.style( this.elem, p, this.options.orig[p] );
}
}
@ -467,7 +467,7 @@ jQuery.extend( jQuery.fx, {
step: {
opacity: function( fx ) {
jQuery.css( fx.elem, "opacity", fx.now );
jQuery.style( fx.elem, "opacity", fx.now );
},
_default: function( fx ) {

18
src/offset.js
View file

@ -105,7 +105,7 @@ if ( "getBoundingClientRect" in document.documentElement ) {
jQuery.offset = {
initialize: function() {
var body = document.body, container = document.createElement("div"), innerDiv, checkDiv, table, td, bodyMarginTop = parseFloat( jQuery.css(body, "marginTop", undefined, true) ) || 0,
var body = document.body, container = document.createElement("div"), innerDiv, checkDiv, table, td, bodyMarginTop = parseFloat( jQuery.css(body, "marginTop") ) || 0,
html = "<div style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;'><div></div></div><table style='position:absolute;top:0;left:0;margin:0;border:5px solid #000;padding:0;width:1px;height:1px;' cellpadding='0' cellspacing='0'><tr><td></td></tr></table>";
jQuery.extend( container.style, { position: "absolute", top: 0, left: 0, margin: 0, border: 0, width: "1px", height: "1px", visibility: "hidden" } );
@ -144,8 +144,8 @@ jQuery.offset = {
jQuery.offset.initialize();
if ( jQuery.offset.doesNotIncludeMarginInBodyOffset ) {
top += parseFloat( jQuery.css(body, "marginTop", undefined, true) ) || 0;
left += parseFloat( jQuery.css(body, "marginLeft", undefined, true) ) || 0;
top += parseFloat( jQuery.css(body, "marginTop") ) || 0;
left += parseFloat( jQuery.css(body, "marginLeft") ) || 0;
}
return { top: top, left: left };
@ -161,8 +161,8 @@ jQuery.offset = {
var curElem = jQuery( elem ),
curOffset = curElem.offset(),
curCSSTop = jQuery.css( elem, "top", undefined, true ),
curCSSLeft = jQuery.css( elem, "left", undefined, true ),
curCSSTop = jQuery.css( elem, "top" ),
curCSSLeft = jQuery.css( elem, "left" ),
calculatePosition = (position === "absolute" && jQuery.inArray('auto', [curCSSTop, curCSSLeft]) > -1),
props = {}, curPosition = {}, curTop, curLeft;
@ -212,12 +212,12 @@ jQuery.fn.extend({
// Subtract element margins
// note: when an element has margin: auto the offsetLeft and marginLeft
// are the same in Safari causing offset.left to incorrectly be 0
offset.top -= parseFloat( jQuery.css(elem, "marginTop", undefined, true) ) || 0;
offset.left -= parseFloat( jQuery.css(elem, "marginLeft", undefined, true) ) || 0;
offset.top -= parseFloat( jQuery.css(elem, "marginTop") ) || 0;
offset.left -= parseFloat( jQuery.css(elem, "marginLeft") ) || 0;
// Add offsetParent borders
parentOffset.top += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth", undefined, true) ) || 0;
parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth", undefined, true) ) || 0;
parentOffset.top += parseFloat( jQuery.css(offsetParent[0], "borderTopWidth") ) || 0;
parentOffset.left += parseFloat( jQuery.css(offsetParent[0], "borderLeftWidth") ) || 0;
// Subtract the two offsets
return {

12
test/unit/css.js
View file

@ -1,7 +1,7 @@
module("css");
test("css(String|Hash)", function() {
expect(30);
expect(28);
equals( jQuery('#main').css("display"), 'none', 'Check for css property "display"');
@ -19,10 +19,6 @@ test("css(String|Hash)", function() {
equals( parseFloat(jQuery('#nothiddendiv').css('width')), width, 'Test negative width ignored')
equals( parseFloat(jQuery('#nothiddendiv').css('height')), height, 'Test negative height ignored')
jQuery('#floatTest').css({styleFloat: 'right'});
equals( jQuery('#floatTest').css('styleFloat'), 'right', 'Modified CSS float using "styleFloat": Assert float is right');
jQuery('#floatTest').css({cssFloat: 'left'});
equals( jQuery('#floatTest').css('cssFloat'), 'left', 'Modified CSS float using "cssFloat": Assert float is left');
jQuery('#floatTest').css({'float': 'right'});
equals( jQuery('#floatTest').css('float'), 'right', 'Modified CSS float using "float": Assert float is right');
jQuery('#floatTest').css({'font-size': '30px'});
@ -65,7 +61,7 @@ test("css(String|Hash)", function() {
});
test("css(String, Object)", function() {
expect(21);
expect(19);
ok( jQuery('#nothiddendiv').is(':visible'), 'Modifying CSS display: Assert element is visible');
jQuery('#nothiddendiv').css("display", 'none');
ok( !jQuery('#nothiddendiv').is(':visible'), 'Modified CSS display: Assert element is hidden');
@ -75,10 +71,6 @@ test("css(String, Object)", function() {
jQuery("#nothiddendiv").css("top", "-1em");
ok( jQuery("#nothiddendiv").css("top"), -16, "Check negative number in EMs." );
jQuery('#floatTest').css('styleFloat', 'left');
equals( jQuery('#floatTest').css('styleFloat'), 'left', 'Modified CSS float using "styleFloat": Assert float is left');
jQuery('#floatTest').css('cssFloat', 'right');
equals( jQuery('#floatTest').css('cssFloat'), 'right', 'Modified CSS float using "cssFloat": Assert float is right');
jQuery('#floatTest').css('float', 'left');
equals( jQuery('#floatTest').css('float'), 'left', 'Modified CSS float using "float": Assert float is left');
jQuery('#floatTest').css('font-size', '20px');

10
test/unit/effects.js vendored
View file

@ -512,9 +512,9 @@ jQuery.each( {
}
if ( t_h == "show" ) {
var old_h = jQuery.css(this, "height", undefined, true);
var old_h = jQuery.css(this, "height");
jQuery(this).append("<br/>Some more text<br/>and some more...");
notEqual(jQuery.css(this, "height", undefined, true), old_h, "Make sure height is auto.");
notEqual(jQuery.css(this, "height"), old_h, "Make sure height is auto.");
}
start();
@ -532,7 +532,7 @@ jQuery.fn.saveState = function(){
var self = this;
self.save = {};
jQuery.each(check, function(i,c){
self.save[c] = jQuery.css(self,c);
self.save[c] = self.style[ c ] || jQuery.css(self,c);
});
});
};
@ -540,8 +540,8 @@ jQuery.fn.saveState = function(){
jQuery.checkState = function(){
var self = this;
jQuery.each(this.save, function(c,v){
var cur = jQuery.css(self,c);
equals( v, cur, "Make sure that " + c + " is reset (Old: " + v + " Cur: " + cur + ")");
var cur = self.style[ c ] || jQuery.css(self, c);
equals( cur, v, "Make sure that " + c + " is reset (Old: " + v + " Cur: " + cur + ")");
});
start();
}