/*\r
-Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.\r
+Copyright (c) 2003-2013, 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
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
+ * 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
},\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
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
+ * Try to avoid differences in the style attribute.\r
+ *\r
+ * @param {String} styleText The style data to be normalized.\r
+ * @param {Boolean} [nativeNormalize=false] Parse the data using the browser.\r
+ * @returns {String} The normalized value.\r
+ */\r
+ normalizeCssText: function( styleText, nativeNormalize ) {\r
+ var props = [],\r
+ name,\r
+ parsedProps = CKEDITOR.tools.parseCssText( styleText, true, nativeNormalize );\r
+\r
+ for ( name in parsedProps )\r
+ props.push( name + ':' + parsedProps[ name ] );\r
+\r
+ props.sort();\r
+\r
+ return props.length ? ( props.join( ';' ) + ';' ) : '';\r
+ },\r
+\r
+ /**\r
+ * Find and convert <code>rgb(x,x,x)</code> colors definition to hexadecimal notation.\r
+ * @param {String} styleText The style data (or just a string containing rgb colors) to be converted.\r
+ * @returns {String} The style data with rgb colors converted to hexadecimal equivalents.\r
+ */\r
+ convertRgbToHex: function( styleText ) {\r
+ return styleText.replace( /(?:rgb\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\))/gi, function( match, red, green, blue ) {\r
+ var color = [ red, green, blue ];\r
+ // Add padding zeros if the hex value is less than 0x10.\r
+ for ( var i = 0; i < 3; i++ )\r
+ color[ i ] = ( '0' + parseInt( color[ i ], 10 ).toString( 16 ) ).slice( -2 );\r
+ return '#' + color.join( '' );\r
+ });\r
+ },\r
+\r
+ /**\r
+ * Turn inline style text properties into one hash.\r
+ *\r
+ * @param {String} styleText The style data to be parsed.\r
+ * @param {Boolean} [normalize=false] Normalize properties and values\r
+ * (e.g. trim spaces, convert to lower case).\r
+ * @param {Boolean} [nativeNormalize=false] Parse the data using the browser.\r
+ * @returns {String} The object containing parsed properties.\r
+ */\r
+ parseCssText: function( styleText, normalize, nativeNormalize ) {\r
+ var retval = {};\r
+\r
+ if ( nativeNormalize ) {\r
+ // Injects the style in a temporary span object, so the browser parses it,\r
+ // retrieving its final format.\r
+ var temp = new CKEDITOR.dom.element( 'span' );\r
+ temp.setAttribute( 'style', styleText );\r
+ styleText = CKEDITOR.tools.convertRgbToHex( temp.getAttribute( 'style' ) || '' );\r
+ }\r
+\r
+ // IE will leave a single semicolon when failed to parse the style text. (#3891)\r
+ if ( !styleText || styleText == ';' )\r
+ return retval;\r
+\r
+ styleText.replace( /"/g, '"' ).replace( /\s*([^:;\s]+)\s*:\s*([^;]+)\s*(?=;|$)/g, function( match, name, value ) {\r
+ if ( normalize ) {\r
+ name = name.toLowerCase();\r
+ // Normalize font-family property, ignore quotes and being case insensitive. (#7322)\r
+ // http://www.w3.org/TR/css3-fonts/#font-family-the-font-family-property\r
+ if ( name == 'font-family' )\r
+ value = value.toLowerCase().replace( /["']/g, '' ).replace( /\s*,\s*/g, ',' );\r
+ value = CKEDITOR.tools.trim( value );\r
+ }\r
+\r
+ retval[ name ] = value;\r
+ });\r
+ return retval;\r
}\r
+\r
};\r
})();\r
\r
Got questions, comments, patches, etc.? Contact Jason Woofenden