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define( [
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"../core",
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"../core/stripAndCollapse",
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"../var/rnothtmlwhite",
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"../data/var/dataPriv",
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"../core/init"
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], function( jQuery, stripAndCollapse, rnothtmlwhite, dataPriv ) {
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"use strict";
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function getClass( elem ) {
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return elem.getAttribute && elem.getAttribute( "class" ) || "";
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}
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jQuery.fn.extend( {
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addClass: function( value ) {
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var classes, elem, cur, curValue, clazz, j, finalValue,
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i = 0;
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if ( jQuery.isFunction( value ) ) {
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return this.each( function( j ) {
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jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
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} );
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}
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if ( typeof value === "string" && value ) {
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classes = value.match( rnothtmlwhite ) || [];
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while ( ( elem = this[ i++ ] ) ) {
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curValue = getClass( elem );
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cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
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if ( cur ) {
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j = 0;
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while ( ( clazz = classes[ j++ ] ) ) {
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if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
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cur += clazz + " ";
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}
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}
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// Only assign if different to avoid unneeded rendering.
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finalValue = stripAndCollapse( cur );
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if ( curValue !== finalValue ) {
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elem.setAttribute( "class", finalValue );
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}
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}
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}
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}
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return this;
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},
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removeClass: function( value ) {
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var classes, elem, cur, curValue, clazz, j, finalValue,
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i = 0;
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if ( jQuery.isFunction( value ) ) {
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return this.each( function( j ) {
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jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
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} );
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}
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if ( !arguments.length ) {
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return this.attr( "class", "" );
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}
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if ( typeof value === "string" && value ) {
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classes = value.match( rnothtmlwhite ) || [];
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while ( ( elem = this[ i++ ] ) ) {
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curValue = getClass( elem );
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// This expression is here for better compressibility (see addClass)
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cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
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if ( cur ) {
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j = 0;
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while ( ( clazz = classes[ j++ ] ) ) {
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// Remove *all* instances
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while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
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cur = cur.replace( " " + clazz + " ", " " );
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}
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}
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// Only assign if different to avoid unneeded rendering.
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finalValue = stripAndCollapse( cur );
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if ( curValue !== finalValue ) {
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elem.setAttribute( "class", finalValue );
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}
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}
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}
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}
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return this;
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},
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toggleClass: function( value, stateVal ) {
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var type = typeof value;
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if ( typeof stateVal === "boolean" && type === "string" ) {
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return stateVal ? this.addClass( value ) : this.removeClass( value );
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}
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if ( jQuery.isFunction( value ) ) {
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return this.each( function( i ) {
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jQuery( this ).toggleClass(
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value.call( this, i, getClass( this ), stateVal ),
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stateVal
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);
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} );
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}
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return this.each( function() {
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var className, i, self, classNames;
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if ( type === "string" ) {
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// Toggle individual class names
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i = 0;
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self = jQuery( this );
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classNames = value.match( rnothtmlwhite ) || [];
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while ( ( className = classNames[ i++ ] ) ) {
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// Check each className given, space separated list
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if ( self.hasClass( className ) ) {
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self.removeClass( className );
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} else {
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self.addClass( className );
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}
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}
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// Toggle whole class name
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} else if ( value === undefined || type === "boolean" ) {
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className = getClass( this );
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if ( className ) {
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// Store className if set
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dataPriv.set( this, "__className__", className );
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}
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// If the element has a class name or if we're passed `false`,
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// then remove the whole classname (if there was one, the above saved it).
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// Otherwise bring back whatever was previously saved (if anything),
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// falling back to the empty string if nothing was stored.
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if ( this.setAttribute ) {
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this.setAttribute( "class",
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className || value === false ?
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"" :
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dataPriv.get( this, "__className__" ) || ""
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);
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}
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}
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} );
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},
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hasClass: function( selector ) {
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var className, elem,
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i = 0;
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className = " " + selector + " ";
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while ( ( elem = this[ i++ ] ) ) {
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if ( elem.nodeType === 1 &&
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( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
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return true;
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}
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}
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return false;
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}
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} );
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} );
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