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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* @fileOverview Defines the {@link CKEDITOR.skins} object, which is used to
* manage skins loading.
*/
/**
* Manages skins loading.
* @namespace
* @example
*/
CKEDITOR.skins = (function()
{
// Holds the list of loaded skins.
var loaded = {},
paths = {};
var loadPart = function( editor, skinName, part, callback )
{
// Get the skin definition.
var skinDefinition = loaded[ skinName ];
if ( !editor.skin )
{
editor.skin = skinDefinition;
// Trigger init function if any.
if ( skinDefinition.init )
skinDefinition.init( editor );
}
var appendSkinPath = function( fileNames )
{
for ( var n = 0 ; n < fileNames.length ; n++ )
{
fileNames[ n ] = CKEDITOR.getUrl( paths[ skinName ] + fileNames[ n ] );
}
};
function fixCSSTextRelativePath( cssStyleText, baseUrl )
{
return cssStyleText.replace( /url\s*\(([\s'"]*)(.*?)([\s"']*)\)/g,
function( match, opener, path, closer )
{
if ( /^\/|^\w?:/.test( path ) )
return match;
else
return 'url(' + baseUrl + opener + path + closer + ')';
} );
}
// Get the part definition.
part = skinDefinition[ part ];
var partIsLoaded = !part || !!part._isLoaded;
// Call the callback immediately if already loaded.
if ( partIsLoaded )
callback && callback();
else
{
// Put the callback in a queue.
var pending = part._pending || ( part._pending = [] );
pending.push( callback );
// We may have more than one skin part load request. Just the first
// one must do the loading job.
if ( pending.length > 1 )
return;
// Check whether the "css" and "js" properties have been defined
// for that part.
var cssIsLoaded = !part.css || !part.css.length,
jsIsLoaded = !part.js || !part.js.length;
// This is the function that will trigger the callback calls on
// load.
var checkIsLoaded = function()
{
if ( cssIsLoaded && jsIsLoaded )
{
// Mark the part as loaded.
part._isLoaded = 1;
// Call all pending callbacks.
for ( var i = 0 ; i < pending.length ; i++ )
{
if ( pending[ i ] )
pending[ i ]();
}
}
};
// Load the "css" pieces.
if ( !cssIsLoaded )
{
var cssPart = part.css;
if ( CKEDITOR.tools.isArray( cssPart ) )
{
appendSkinPath( cssPart );
for ( var c = 0 ; c < cssPart.length ; c++ )
CKEDITOR.document.appendStyleSheet( cssPart[ c ] );
}
else
{
cssPart = fixCSSTextRelativePath(
cssPart, CKEDITOR.getUrl( paths[ skinName ] ) );
// Processing Inline CSS part.
CKEDITOR.document.appendStyleText( cssPart );
}
part.css = cssPart;
cssIsLoaded = 1;
}
// Load the "js" pieces.
if ( !jsIsLoaded )
{
appendSkinPath( part.js );
CKEDITOR.scriptLoader.load( part.js, function()
{
jsIsLoaded = 1;
checkIsLoaded();
});
}
// We may have nothing to load, so check it immediately.
checkIsLoaded();
}
};
return /** @lends CKEDITOR.skins */ {
/**
* Registers a skin definition.
* @param {String} skinName The skin name.
* @param {Object} skinDefinition The skin definition.
* @example
*/
add : function( skinName, skinDefinition )
{
loaded[ skinName ] = skinDefinition;
skinDefinition.skinPath = paths[ skinName ]
|| ( paths[ skinName ] =
CKEDITOR.getUrl(
'_source/' + // @Packager.RemoveLine
'skins/' + skinName + '/' ) );
},
/**
* Loads a skin part. Skins are defined in parts, which are basically
* separated CSS files. This function is mainly used by the core code and
* should not have much use out of it.
* @param {String} skinName The name of the skin to be loaded.
* @param {String} skinPart The skin part to be loaded. Common skin parts
* are "editor" and "dialog".
* @param {Function} [callback] A function to be called once the skin
* part files are loaded.
* @example
*/
load : function( editor, skinPart, callback )
{
var skinName = editor.skinName,
skinPath = editor.skinPath;
if ( loaded[ skinName ] )
loadPart( editor, skinName, skinPart, callback );
else
{
paths[ skinName ] = skinPath;
CKEDITOR.scriptLoader.load( CKEDITOR.getUrl( skinPath + 'skin.js' ), function()
{
loadPart( editor, skinName, skinPart, callback );
});
}
}
};
})();
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