142 lines
3.2 KiB
JavaScript
142 lines
3.2 KiB
JavaScript
define([
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"../core",
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"../var/rnotwhite",
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"../var/strundefined",
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"../core/access",
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"./support",
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"../selector"
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], function( jQuery, rnotwhite, strundefined, access, support ) {
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var nodeHook, boolHook,
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attrHandle = jQuery.expr.attrHandle;
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jQuery.fn.extend({
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attr: function( name, value ) {
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return access( this, jQuery.attr, name, value, arguments.length > 1 );
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},
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removeAttr: function( name ) {
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return this.each(function() {
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jQuery.removeAttr( this, name );
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});
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}
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});
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jQuery.extend({
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attr: function( elem, name, value ) {
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var hooks, ret,
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nType = elem.nodeType;
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// don't get/set attributes on text, comment and attribute nodes
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if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
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return;
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}
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// Fallback to prop when attributes are not supported
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if ( typeof elem.getAttribute === strundefined ) {
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return jQuery.prop( elem, name, value );
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}
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// All attributes are lowercase
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// Grab necessary hook if one is defined
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if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
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name = name.toLowerCase();
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hooks = jQuery.attrHooks[ name ] ||
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( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
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}
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if ( value !== undefined ) {
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if ( value === null ) {
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jQuery.removeAttr( elem, name );
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} else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
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return ret;
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} else {
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elem.setAttribute( name, value + "" );
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return value;
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}
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} else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
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return ret;
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} else {
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ret = jQuery.find.attr( elem, name );
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// Non-existent attributes return null, we normalize to undefined
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return ret == null ?
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undefined :
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ret;
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}
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},
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removeAttr: function( elem, value ) {
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var name, propName,
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i = 0,
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attrNames = value && value.match( rnotwhite );
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if ( attrNames && elem.nodeType === 1 ) {
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while ( (name = attrNames[i++]) ) {
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propName = jQuery.propFix[ name ] || name;
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// Boolean attributes get special treatment (#10870)
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if ( jQuery.expr.match.bool.test( name ) ) {
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// Set corresponding property to false
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elem[ propName ] = false;
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}
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elem.removeAttribute( name );
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}
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}
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},
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attrHooks: {
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type: {
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set: function( elem, value ) {
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if ( !support.radioValue && value === "radio" &&
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jQuery.nodeName( elem, "input" ) ) {
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var val = elem.value;
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elem.setAttribute( "type", value );
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if ( val ) {
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elem.value = val;
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}
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return value;
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}
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}
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}
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}
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});
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// Hooks for boolean attributes
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boolHook = {
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set: function( elem, value, name ) {
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if ( value === false ) {
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// Remove boolean attributes when set to false
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jQuery.removeAttr( elem, name );
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} else {
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elem.setAttribute( name, name );
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}
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return name;
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}
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};
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jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
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var getter = attrHandle[ name ] || jQuery.find.attr;
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attrHandle[ name ] = function( elem, name, isXML ) {
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var ret, handle;
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if ( !isXML ) {
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// Avoid an infinite loop by temporarily removing this function from the getter
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handle = attrHandle[ name ];
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attrHandle[ name ] = ret;
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ret = getter( elem, name, isXML ) != null ?
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name.toLowerCase() :
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null;
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attrHandle[ name ] = handle;
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}
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return ret;
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};
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});
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});
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