/*\r
-Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.\r
+Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.\r
For licensing, see LICENSE.html or http://ckeditor.com/license\r
*/\r
\r
{\r
var functions = [];\r
\r
+ CKEDITOR.on( 'reset', function()\r
+ {\r
+ functions = [];\r
+ });\r
+\r
/**\r
* Utility functions.\r
* @namespace\r
|| ( obj instanceof String )\r
|| ( obj instanceof Number )\r
|| ( obj instanceof Boolean )\r
- || ( obj instanceof Date ) )\r
+ || ( obj instanceof Date )\r
+ || ( obj instanceof RegExp) )\r
{\r
return obj;\r
}\r
},\r
\r
/**\r
+ * Turn the first letter of string to upper-case.\r
+ * @param {String} str\r
+ */\r
+ capitalize: function( str )\r
+ {\r
+ return str.charAt( 0 ).toUpperCase() + str.substring( 1 ).toLowerCase();\r
+ },\r
+\r
+ /**\r
* Copy the properties from one object to another. By default, properties\r
* already present in the target object <strong>are not</strong> overwritten.\r
* @param {Object} target The object to be extended.\r
return ( !!object && object instanceof Array );\r
},\r
\r
+ /**\r
+ * Whether the object contains no properties of it's own.\r
+ * @param object\r
+ */\r
isEmpty : function ( object )\r
{\r
for ( var i in object )\r
}\r
return true;\r
},\r
+\r
/**\r
* Transforms a CSS property name to its relative DOM style name.\r
* @param {String} cssName The CSS property name.\r
} )(),\r
\r
/**\r
+ * Build the HTML snippet of a set of <style>/<link>.\r
+ * @param css {String|Array} Each of which are url (absolute) of a CSS file or\r
+ * a trunk of style text.\r
+ */\r
+ buildStyleHtml : function ( css )\r
+ {\r
+ css = [].concat( css );\r
+ var item, retval = [];\r
+ for ( var i = 0; i < css.length; i++ )\r
+ {\r
+ item = css[ i ];\r
+ // Is CSS style text ?\r
+ if ( /@import|[{}]/.test(item) )\r
+ retval.push('<style>' + item + '</style>');\r
+ else\r
+ retval.push('<link type="text/css" rel=stylesheet href="' + item + '">');\r
+ }\r
+ return retval.join( '' );\r
+ },\r
+\r
+ /**\r
* Replace special HTML characters in a string with their relative HTML\r
* entity values.\r
* @param {String} text The string to be encoded.\r
},\r
\r
/**\r
- * Replace characters can't be represented through CSS Selectors string\r
- * by CSS Escape Notation where the character escape sequence consists\r
- * of a backslash character (\) followed by the orginal characters.\r
- * Ref: http://www.w3.org/TR/css3-selectors/#grammar\r
- * @param cssSelectText\r
- * @return the escaped selector text.\r
+ * Replace special HTML characters in HTMLElement's attribute with their relative HTML entity values.\r
+ * @param {String} The attribute's value to be encoded.\r
+ * @returns {String} The encode value.\r
+ * @example\r
+ * element.setAttribute( 'title', '<a " b >' );\r
+ * alert( CKEDITOR.tools.htmlEncodeAttr( element.getAttribute( 'title' ) ); // ">a " b <"\r
*/\r
- escapeCssSelector : function( cssSelectText )\r
+ htmlEncodeAttr : function( text )\r
{\r
- return cssSelectText.replace( /[\s#:.,$*^\[\]()~=+>]/g, '\\$&' );\r
+ return text.replace( /"/g, '"' ).replace( /</g, '<' ).replace( />/g, '>' );\r
},\r
\r
/**\r
})(),\r
\r
/**\r
+ * Gets a unique ID for CKEditor's interface elements. It returns a\r
+ * string with the "cke_" prefix and a progressive number.\r
+ * @function\r
+ * @returns {String} A unique ID.\r
+ * @example\r
+ * alert( CKEDITOR.tools.<b>getNextId()</b> ); // "cke_1" (e.g.)\r
+ * alert( CKEDITOR.tools.<b>getNextId()</b> ); // "cke_2"\r
+ */\r
+ getNextId : function()\r
+ {\r
+ return 'cke_' + this.getNextNumber();\r
+ },\r
+\r
+ /**\r
* Creates a function override.\r
* @param {Function} originalFunction The function to be overridden.\r
* @param {Function} functionBuilder A function that returns the new\r
* <li> Public (prototype) fields </li>\r
* <li> Chainable base class constructor </li>\r
* </ul>\r
- * @param {Object} definiton The class definiton object.\r
+ * @param {Object} definition The class definition object.\r
* @returns {Function} A class-like JavaScript function.\r
*/\r
createClass : function( definition )\r
{\r
return functions.push( function()\r
{\r
- fn.apply( scope || this, arguments );\r
+ return fn.apply( scope || this, arguments );\r
}) - 1;\r
},\r
\r
/**\r
+ * Removes the function reference created with {@see CKEDITOR.tools.addFunction}.\r
+ * @param {Number} ref The function reference created with\r
+ * CKEDITOR.tools.addFunction.\r
+ */\r
+ removeFunction : function( ref )\r
+ {\r
+ functions[ ref ] = null;\r
+ },\r
+\r
+ /**\r
* Executes a function based on the reference created with\r
* CKEDITOR.tools.addFunction.\r
* @param {Number} ref The function reference created with\r
return fn && fn.apply( window, Array.prototype.slice.call( arguments, 1 ) );\r
},\r
\r
+ /**\r
+ * Append the 'px' length unit to the size if it's missing.\r
+ * @param length\r
+ */\r
cssLength : (function()\r
{\r
- var decimalRegex = /^\d+(?:\.\d+)?$/;\r
return function( length )\r
{\r
- return length + ( decimalRegex.test( length ) ? 'px' : '' );\r
+ return length + ( !length || isNaN( Number( length ) ) ? '' : 'px' );\r
};\r
})(),\r
\r
+ /**\r
+ * Convert the specified CSS length value to the calculated pixel length inside this page.\r
+ * <strong>Note:</strong> Percentage based value is left intact.\r
+ * @param {String} cssLength CSS length value.\r
+ */\r
+ convertToPx : ( function ()\r
+ {\r
+ var calculator;\r
+\r
+ return function( cssLength )\r
+ {\r
+ if ( !calculator )\r
+ {\r
+ calculator = CKEDITOR.dom.element.createFromHtml(\r
+ '<div style="position:absolute;left:-9999px;' +\r
+ 'top:-9999px;margin:0px;padding:0px;border:0px;"' +\r
+ '></div>', CKEDITOR.document );\r
+ CKEDITOR.document.getBody().append( calculator );\r
+ }\r
+\r
+ if ( !(/%$/).test( cssLength ) )\r
+ {\r
+ calculator.setStyle( 'width', cssLength );\r
+ return calculator.$.clientWidth;\r
+ }\r
+\r
+ return cssLength;\r
+ };\r
+ } )(),\r
+\r
+ /**\r
+ * String specified by {@param str} repeats {@param times} times.\r
+ * @param str\r
+ * @param times\r
+ */\r
repeat : function( str, times )\r
{\r
return new Array( times + 1 ).join( str );\r
+ },\r
+\r
+ /**\r
+ * Return the first successfully executed function's return value that\r
+ * doesn't throw any exception.\r
+ */\r
+ tryThese : function()\r
+ {\r
+ var returnValue;\r
+ for ( var i = 0, length = arguments.length; i < length; i++ )\r
+ {\r
+ var lambda = arguments[i];\r
+ try\r
+ {\r
+ returnValue = lambda();\r
+ break;\r
+ }\r
+ catch (e) {}\r
+ }\r
+ return returnValue;\r
+ },\r
+\r
+ /**\r
+ * Generate a combined key from a series of params.\r
+ * @param {String} subKey One or more string used as sub keys.\r
+ * @example\r
+ * var key = CKEDITOR.tools.genKey( 'key1', 'key2', 'key3' );\r
+ * alert( key ); // "key1-key2-key3".\r
+ */\r
+ genKey : function()\r
+ {\r
+ return Array.prototype.slice.call( arguments ).join( '-' );\r
}\r
};\r
})();\r
Got questions, comments, patches, etc.? Contact Jason Woofenden