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Fix #6562, tighten up the special code for form objects, add name attrHook for IE6/7, and don't check for undefined with getting hook'd attr

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This commit is contained in:
timmywil 2011-03-25 01:46:29 -04:00
parent 102053abd8
commit 9e05a0a37f
3 changed files with 69 additions and 56 deletions
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86
src/attributes.js
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@ -275,7 +275,10 @@ jQuery.extend({
offset: true
},
attrFix: {},
attrFix: {
// Always normalize to ensure hook usage
tabindex: "tabIndex"
},
attr: function( elem, name, value, pass ) {
var nType = elem.nodeType;
@ -290,7 +293,8 @@ jQuery.extend({
}
var ret, hooks,
notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
notxml = nType !== 1 || !jQuery.isXMLDoc( elem ),
isFormObjects = !jQuery.support.getSetAttribute && elem.nodeName === "FORM";
// Normalize the name if needed
name = notxml && jQuery.attrFix[ name ] || name;
@ -307,17 +311,30 @@ jQuery.extend({
return undefined;
} else {
elem.setAttribute( name, value );
// Check form objects in IE (multiple bugs related)
if ( isFormObjects ) {
elem.getAttributeNode( name ).nodeValue = value;
} else {
elem.setAttribute( name, value );
}
return value;
}
} else {
if ( hooks && "get" in hooks && notxml && ((ret = hooks.get( elem )) !== undefined || name === "tabIndex") ) {
return ret;
if ( hooks && "get" in hooks && notxml ) {
return hooks.get( elem );
} else {
ret = elem.getAttribute( name );
// Check form objects in IE (multiple bugs related)
if ( isFormObjects ) {
// Returns undefined for empty string, which is the blank nodeValue in IE
ret = elem.getAttributeNode( name ).nodeValue || undefined;
} else {
ret = elem.getAttribute( name );
}
// Non-existent attributes return null, we normalize to undefined
// Instead of checking for null, we check for typeof object to catch inputs in IE6/7. Bug #7472
@ -334,13 +351,9 @@ jQuery.extend({
if ( jQuery.support.getSetAttribute ) {
elem.removeAttribute( name );
} else {
// set property to null if getSetAttribute not supported (IE6-7)
// setting className to null makes the class "null"
if ( name === "className" ) {
elem[ name ] = "";
} else {
elem.setAttribute( name, null );
}
// use DOM level 1 if getSetAttribute not supported (IE6-7)
elem.setAttribute( name, "" ); // Set to default empty string
elem.removeAttributeNode( elem.getAttributeNode( name ) );
}
},
@ -352,6 +365,19 @@ jQuery.extend({
jQuery.error( "type property can't be changed" );
}
}
},
tabIndex: {
get: function( elem ) {
// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
var attributeNode = elem.getAttributeNode("tabIndex");
return attributeNode && attributeNode.specified ?
parseInt( attributeNode.value, 10 ) :
rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
0 :
undefined;
}
}
},
@ -404,23 +430,15 @@ if ( !jQuery.support.getSetAttribute ) {
cellspacing: "cellSpacing",
rowspan: "rowSpan",
colspan: "colSpan",
tabindex: "tabIndex",
usemap: "useMap",
frameborder: "frameBorder"
});
// Action attribute in ie6/7 returns form objects
jQuery.attrHooks.action = {
get: function( elem ) {
return elem.nodeName === "FORM" ?
elem.getAttributeNode("action").nodeValue :
elem.getAttribute("action");
},
set: function( elem, value ) {
elem.nodeName === "FORM" ?
elem.getAttributeNode("action").nodeValue = value :
elem.setAttribute("action", value);
return value;
// Name attribute will not get removed in browsers that do not support getSetAttribute
// Return undefined on empty string or null
jQuery.attrHooks.name = {
get: function( elem, value ) {
return elem.getAttributeNode("name").nodeValue || undefined;
}
};
}
@ -442,20 +460,6 @@ jQuery.each([ "selected", "checked", "readonly", "disabled" ], function( i, name
});
});
// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
jQuery.attrHooks[ jQuery.attrFix.tabindex || "tabindex" ] = {
get: function( elem ) {
var attributeNode = elem.getAttributeNode("tabIndex");
return attributeNode && attributeNode.specified ?
parseInt( attributeNode.value, 10 ) :
rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
0 :
undefined;
}
};
// Some attributes require a special call on IE
if ( !jQuery.support.hrefNormalized ) {
jQuery.each([ "href", "src", "style" ], function( i, name ) {