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