krafthaus/bauhaus

define([
    "../core",
    "../var/rnotwhite",
    "../var/strundefined",
    "../core/access",
    "./support",
    "./val",
    "../selector"
], function( jQuery, rnotwhite, strundefined, access, support ) {

var nodeHook, boolHook,
    attrHandle = jQuery.expr.attrHandle,
    ruseDefault = /^(?:checked|selected)$/i,
    getSetAttribute = support.getSetAttribute,
    getSetInput = support.input;

jQuery.fn.extend({
    attr: function( name, value ) {
        return access( this, jQuery.attr, name, value, arguments.length > 1 );
    },

    removeAttr: function( name ) {
        return this.each(function() {
            jQuery.removeAttr( this, name );
        });
    }
});

jQuery.extend({
    attr: function( elem, name, value ) {
        var hooks, ret,
            nType = elem.nodeType;

        // don't get/set attributes on text, comment and attribute nodes
        if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
            return;
        }

        // Fallback to prop when attributes are not supported
        if ( typeof elem.getAttribute === strundefined ) {
            return jQuery.prop( elem, name, value );
        }

        // All attributes are lowercase
        // Grab necessary hook if one is defined
        if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
            name = name.toLowerCase();
            hooks = jQuery.attrHooks[ name ] ||
                ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
        }

        if ( value !== undefined ) {

            if ( value === null ) {
                jQuery.removeAttr( elem, name );

            } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
                return ret;

            } else {
                elem.setAttribute( name, value + "" );
                return value;
            }

        } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
            return ret;

        } else {
            ret = jQuery.find.attr( elem, name );

            // Non-existent attributes return null, we normalize to undefined
            return ret == null ?
                undefined :
                ret;
        }
    },

    removeAttr: function( elem, value ) {
        var name, propName,
            i = 0,
            attrNames = value && value.match( rnotwhite );

        if ( attrNames && elem.nodeType === 1 ) {
            while ( (name = attrNames[i++]) ) {
                propName = jQuery.propFix[ name ] || name;

                // Boolean attributes get special treatment (#10870)
                if ( jQuery.expr.match.bool.test( name ) ) {
                    // Set corresponding property to false
                    if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
                        elem[ propName ] = false;
                    // Support: IE<9
                    // Also clear defaultChecked/defaultSelected (if appropriate)
                    } else {
                        elem[ jQuery.camelCase( "default-" + name ) ] =
                            elem[ propName ] = false;
                    }

                // See #9699 for explanation of this approach (setting first, then removal)
                } else {
                    jQuery.attr( elem, name, "" );
                }

                elem.removeAttribute( getSetAttribute ? name : propName );
            }
        }
    },

    attrHooks: {
        type: {
            set: function( elem, value ) {
                if ( !support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
                    // Setting the type on a radio button after the value resets the value in IE6-9
                    // Reset value to default in case type is set after value during creation
                    var val = elem.value;
                    elem.setAttribute( "type", value );
                    if ( val ) {
                        elem.value = val;
                    }
                    return value;
                }
            }
        }
    }
});

// Hook for boolean attributes
boolHook = {
    set: function( elem, value, name ) {
        if ( value === false ) {
            // Remove boolean attributes when set to false
            jQuery.removeAttr( elem, name );
        } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
            // IE<8 needs the *property* name
            elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );

        // Use defaultChecked and defaultSelected for oldIE
        } else {
            elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
        }

        return name;
    }
};

// Retrieve booleans specially
jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {

    var getter = attrHandle[ name ] || jQuery.find.attr;

    attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
        function( elem, name, isXML ) {
            var ret, handle;
            if ( !isXML ) {
                // Avoid an infinite loop by temporarily removing this function from the getter
                handle = attrHandle[ name ];
                attrHandle[ name ] = ret;
                ret = getter( elem, name, isXML ) != null ?
                    name.toLowerCase() :
                    null;
                attrHandle[ name ] = handle;
            }
            return ret;
        } :
        function( elem, name, isXML ) {
            if ( !isXML ) {
                return elem[ jQuery.camelCase( "default-" + name ) ] ?
                    name.toLowerCase() :
                    null;
            }
        };
});

// fix oldIE attroperties
if ( !getSetInput || !getSetAttribute ) {
    jQuery.attrHooks.value = {
        set: function( elem, value, name ) {
            if ( jQuery.nodeName( elem, "input" ) ) {
                // Does not return so that setAttribute is also used
                elem.defaultValue = value;
            } else {
                // Use nodeHook if defined (#1954); otherwise setAttribute is fine
                return nodeHook && nodeHook.set( elem, value, name );
            }
        }
    };
}

// IE6/7 do not support getting/setting some attributes with get/setAttribute
if ( !getSetAttribute ) {

    // Use this for any attribute in IE6/7
    // This fixes almost every IE6/7 issue
    nodeHook = {
        set: function( elem, value, name ) {
            // Set the existing or create a new attribute node
            var ret = elem.getAttributeNode( name );
            if ( !ret ) {
                elem.setAttributeNode(
                    (ret = elem.ownerDocument.createAttribute( name ))
                );
            }

            ret.value = value += "";

            // Break association with cloned elements by also using setAttribute (#9646)
            if ( name === "value" || value === elem.getAttribute( name ) ) {
                return value;
            }
        }
    };

    // Some attributes are constructed with empty-string values when not defined
    attrHandle.id = attrHandle.name = attrHandle.coords =
        function( elem, name, isXML ) {
            var ret;
            if ( !isXML ) {
                return (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
                    ret.value :
                    null;
            }
        };

    // Fixing value retrieval on a button requires this module
    jQuery.valHooks.button = {
        get: function( elem, name ) {
            var ret = elem.getAttributeNode( name );
            if ( ret && ret.specified ) {
                return ret.value;
            }
        },
        set: nodeHook.set
    };

    // Set contenteditable to false on removals(#10429)
    // Setting to empty string throws an error as an invalid value
    jQuery.attrHooks.contenteditable = {
        set: function( elem, value, name ) {
            nodeHook.set( elem, value === "" ? false : value, name );
        }
    };

    // Set width and height to auto instead of 0 on empty string( Bug #8150 )
    // This is for removals
    jQuery.each([ "width", "height" ], function( i, name ) {
        jQuery.attrHooks[ name ] = {
            set: function( elem, value ) {
                if ( value === "" ) {
                    elem.setAttribute( name, "auto" );
                    return value;
                }
            }
        };
    });
}

if ( !support.style ) {
    jQuery.attrHooks.style = {
        get: function( elem ) {
            // Return undefined in the case of empty string
            // Note: IE uppercases css property names, but if we were to .toLowerCase()
            // .cssText, that would destroy case senstitivity in URL's, like in "background"
            return elem.style.cssText || undefined;
        },
        set: function( elem, value ) {
            return ( elem.style.cssText = value + "" );
        }
    };
}

});