From 37b607d2815b893d13de4ac3461090d0dd46535e Mon Sep 17 00:00:00 2001 From: jeresig Date: Thu, 16 Sep 2010 10:00:56 -0400 Subject: [PATCH] Split apart jQuery.css into jQuery.css (computed values) and jQuery.style (currently set values). --- src/css.js | 84 +++++++++++++++++++++++++++++--------------- src/dimensions.js | 4 +-- src/effects.js | 22 ++++++------ src/offset.js | 18 +++++----- test/unit/css.js | 12 ++----- test/unit/effects.js | 10 +++--- 6 files changed, 85 insertions(+), 65 deletions(-) diff --git a/src/css.js b/src/css.js index eb7567f79..87f9abd70 100644 --- a/src/css.js +++ b/src/css.js @@ -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 ]; + // Otherwise just get the value from the style object + return style[ name ]; + } + }, - } else if ( force !== false && curCSS ) { - ret = curCSS( elem, name, origName ); - } + 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 ) { diff --git a/src/dimensions.js b/src/dimensions.js index d3561e822..698f5f4b0 100644 --- a/src/dimensions.js +++ b/src/dimensions.js @@ -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; }; diff --git a/src/effects.js b/src/effects.js index 4eb725bd9..eeab9b7a9 100644 --- a/src/effects.js +++ b/src/effects.js @@ -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 ) { diff --git a/src/offset.js b/src/offset.js index 5d283aacf..c472f9852 100644 --- a/src/offset.js +++ b/src/offset.js @@ -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 = "
"; 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 { diff --git a/test/unit/css.js b/test/unit/css.js index 5f8a74ae4..99bab1fe5 100644 --- a/test/unit/css.js +++ b/test/unit/css.js @@ -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'); diff --git a/test/unit/effects.js b/test/unit/effects.js index bfd6ff4fc..6129d5d31 100644 --- a/test/unit/effects.js +++ b/test/unit/effects.js @@ -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("
Some more text
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(); } -- 2.39.5