+

lib/ckfinder/samples/js/sf.js

@@ -0,0 +1,144 @@
+/**
+ * @license Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
+ * Licensed under the terms of the MIT license. See LICENSE.md for more information.
+ */
+
+/* exported SF */
+
+'use strict';
+
+var SF = ( function() {
+	var SF = {};
+
+	SF.attachListener = function( elem, evtName, callback ) {
+		if ( elem.addEventListener ) {
+			elem.addEventListener( evtName, callback, false );
+		} else if ( elem.attachEvent ) {
+			elem.attachEvent( 'on' + evtName , function() {
+				callback.apply( elem, arguments );
+			} );
+		} else {
+			throw new Error( 'Could not attach event.' );
+		}
+	};
+
+	SF.indexOf = ( function() {
+		var indexOf = Array.prototype.indexOf;
+
+		if ( indexOf === 'function' ) {
+			return function( arr, elem ) {
+				return indexOf.call( arr, elem );
+			};
+		} else {
+			return function( arr, elem ) {
+				var max = arr.length;
+
+				for ( var i = 0; i < max; i++ ) {
+					if ( arr[ i ] === elem ) {
+						return i;
+					}
+				}
+
+				return -1;
+			};
+		}
+
+	}() );
+
+	SF.accept = function( node, visitor ) {
+		var children;
+
+		// Handling node as a node and array
+		if ( node.children ) {
+			children = node.children;
+
+			visitor( node );
+		} else if ( typeof node.length === 'number' ) {
+			children = node;
+		}
+
+		var i = children ? ( children.length || 0 ) : 0;
+		while ( i-- ) {
+			SF.accept( children[ i ], visitor );
+		}
+	};
+
+	SF.getByClass = ( function(  ) {
+		var getByClass = document.getElementsByClassName;
+		if ( typeof getByClass === 'function' ) {
+			return function( root, className ) {
+				if ( typeof root === 'string' ) {
+					className = root;
+					root = document;
+				}
+
+				return getByClass.call( root, className );
+			};
+		}
+
+		return function( root, className ) {
+			if ( typeof root === 'string' ) {
+				className = root;
+				root = document.getElementsByTagName( 'html' )[ 0 ];
+			}
+			var results = [];
+
+			SF.accept( root, function( elem ) {
+				if ( SF.classList.contains( elem, className ) ) {
+					results.push( elem );
+				}
+			} );
+
+			return results;
+		};
+	}() );
+
+	SF.classList = {};
+
+	SF.classList.add = function( elem, className ) {
+		var classes = parseClasses( elem );
+		classes.push( className );
+
+		elem.attributes.setNamedItem( createClassAttr( classes ) );
+	};
+
+	SF.classList.remove = function( elem, className ) {
+		var classes = parseClasses( elem, className ),
+			foundAt = SF.indexOf( classes, className );
+
+		if ( foundAt === -1 ) {
+			return;
+		}
+
+		classes.splice( foundAt, 1 );
+		elem.attributes.setNamedItem( createClassAttr( classes ) );
+	};
+
+	SF.classList.contains = function( elem, className ) {
+		return findIndex( elem, className ) !== -1;
+	};
+
+	SF.classList.toggle = function( elem, className ) {
+		this.contains( elem, className ) ? this.remove( elem, className ) : this.add( elem, className );
+	};
+
+	function findIndex( elem, className ) {
+		return SF.indexOf( parseClasses( elem ), className );
+	}
+
+	function parseClasses( elem ) {
+		var classAttr = elem.attributes ? elem.attributes.getNamedItem( 'class' ) : null;
+
+		return classAttr ? classAttr.value.split( ' ' ) : [];
+	}
+
+	function createClassAttr( classesArray ) {
+		var attr = document.createAttribute( 'class' );
+
+		attr.value = classesArray.join( ' ' );
+
+		return attr;
+	}
+
+	return SF;
+}() );