1 | /*
|
---|
2 | Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.
|
---|
3 | For licensing, see LICENSE.html or http://ckeditor.com/license
|
---|
4 | */
|
---|
5 |
|
---|
6 | /**
|
---|
7 | * @fileOverview Defines the {@link CKEDITOR.skins} object, which is used to
|
---|
8 | * manage skins loading.
|
---|
9 | */
|
---|
10 |
|
---|
11 | /**
|
---|
12 | * Manages skins loading.
|
---|
13 | * @namespace
|
---|
14 | * @example
|
---|
15 | */
|
---|
16 | CKEDITOR.skins = (function()
|
---|
17 | {
|
---|
18 | // Holds the list of loaded skins.
|
---|
19 | var loaded = {};
|
---|
20 | var preloaded = {};
|
---|
21 | var paths = {};
|
---|
22 |
|
---|
23 | var loadedPart = function( skinName, part, callback )
|
---|
24 | {
|
---|
25 | // Get the skin definition.
|
---|
26 | var skinDefinition = loaded[ skinName ];
|
---|
27 |
|
---|
28 | var appendSkinPath = function( fileNames )
|
---|
29 | {
|
---|
30 | for ( var n = 0 ; n < fileNames.length ; n++ )
|
---|
31 | {
|
---|
32 | fileNames[ n ] = CKEDITOR.getUrl( paths[ skinName ] + fileNames[ n ] );
|
---|
33 | }
|
---|
34 | };
|
---|
35 |
|
---|
36 | // Check if we need to preload images from it.
|
---|
37 | if ( !preloaded[ skinName ] )
|
---|
38 | {
|
---|
39 | var preload = skinDefinition.preload;
|
---|
40 | if ( preload && preload.length > 0 )
|
---|
41 | {
|
---|
42 | appendSkinPath( preload );
|
---|
43 | CKEDITOR.imageCacher.load( preload, function()
|
---|
44 | {
|
---|
45 | preloaded[ skinName ] = 1;
|
---|
46 | loadedPart( skinName, part, callback );
|
---|
47 | } );
|
---|
48 | return;
|
---|
49 | }
|
---|
50 |
|
---|
51 | // Mark it as preloaded.
|
---|
52 | preloaded[ skinName ] = 1;
|
---|
53 | }
|
---|
54 |
|
---|
55 | // Get the part definition.
|
---|
56 | part = skinDefinition[ part ];
|
---|
57 | var partIsLoaded = !part || !!part._isLoaded;
|
---|
58 |
|
---|
59 | // Call the callback immediately if already loaded.
|
---|
60 | if ( partIsLoaded )
|
---|
61 | callback && callback();
|
---|
62 | else
|
---|
63 | {
|
---|
64 | // Put the callback in a queue.
|
---|
65 | var pending = part._pending || ( part._pending = [] );
|
---|
66 | pending.push( callback );
|
---|
67 |
|
---|
68 | // We may have more than one skin part load request. Just the first
|
---|
69 | // one must do the loading job.
|
---|
70 | if ( pending.length > 1 )
|
---|
71 | return;
|
---|
72 |
|
---|
73 | // Check whether the "css" and "js" properties have been defined
|
---|
74 | // for that part.
|
---|
75 | var cssIsLoaded = !part.css || !part.css.length;
|
---|
76 | var jsIsLoaded = !part.js || !part.js.length;
|
---|
77 |
|
---|
78 | // This is the function that will trigger the callback calls on
|
---|
79 | // load.
|
---|
80 | var checkIsLoaded = function()
|
---|
81 | {
|
---|
82 | if ( cssIsLoaded && jsIsLoaded )
|
---|
83 | {
|
---|
84 | // Mark the part as loaded.
|
---|
85 | part._isLoaded = 1;
|
---|
86 |
|
---|
87 | // Call all pending callbacks.
|
---|
88 | for ( var i = 0 ; i < pending.length ; i++ )
|
---|
89 | {
|
---|
90 | if ( pending[ i ] )
|
---|
91 | pending[ i ]();
|
---|
92 | }
|
---|
93 | }
|
---|
94 | };
|
---|
95 |
|
---|
96 | // Load the "css" pieces.
|
---|
97 | if ( !cssIsLoaded )
|
---|
98 | {
|
---|
99 | appendSkinPath( part.css );
|
---|
100 |
|
---|
101 | for ( var c = 0 ; c < part.css.length ; c++ )
|
---|
102 | CKEDITOR.document.appendStyleSheet( part.css[ c ] );
|
---|
103 |
|
---|
104 | cssIsLoaded = 1;
|
---|
105 | }
|
---|
106 |
|
---|
107 | // Load the "js" pieces.
|
---|
108 | if ( !jsIsLoaded )
|
---|
109 | {
|
---|
110 | appendSkinPath( part.js );
|
---|
111 | CKEDITOR.scriptLoader.load( part.js, function()
|
---|
112 | {
|
---|
113 | jsIsLoaded = 1;
|
---|
114 | checkIsLoaded();
|
---|
115 | });
|
---|
116 | }
|
---|
117 |
|
---|
118 | // We may have nothing to load, so check it immediately.
|
---|
119 | checkIsLoaded();
|
---|
120 | }
|
---|
121 | };
|
---|
122 |
|
---|
123 | return /** @lends CKEDITOR.skins */ {
|
---|
124 |
|
---|
125 | /**
|
---|
126 | * Registers a skin definition.
|
---|
127 | * @param {String} skinName The skin name.
|
---|
128 | * @param {Object} skinDefinition The skin definition.
|
---|
129 | * @example
|
---|
130 | */
|
---|
131 | add : function( skinName, skinDefinition )
|
---|
132 | {
|
---|
133 | loaded[ skinName ] = skinDefinition;
|
---|
134 |
|
---|
135 | skinDefinition.skinPath = paths[ skinName ]
|
---|
136 | || ( paths[ skinName ] =
|
---|
137 | CKEDITOR.getUrl(
|
---|
138 | '_source/' + // @Packager.RemoveLine
|
---|
139 | 'skins/' + skinName + '/' ) );
|
---|
140 | },
|
---|
141 |
|
---|
142 | /**
|
---|
143 | * Loads a skin part. Skins are defined in parts, which are basically
|
---|
144 | * separated CSS files. This function is mainly used by the core code and
|
---|
145 | * should not have much use out of it.
|
---|
146 | * @param {String} skinName The name of the skin to be loaded.
|
---|
147 | * @param {String} skinPart The skin part to be loaded. Common skin parts
|
---|
148 | * are "editor" and "dialog".
|
---|
149 | * @param {Function} [callback] A function to be called once the skin
|
---|
150 | * part files are loaded.
|
---|
151 | * @example
|
---|
152 | */
|
---|
153 | load : function( editor, skinPart, callback )
|
---|
154 | {
|
---|
155 | var skinName = editor.skinName,
|
---|
156 | skinPath = editor.skinPath;
|
---|
157 |
|
---|
158 | if ( loaded[ skinName ] )
|
---|
159 | {
|
---|
160 | loadedPart( skinName, skinPart, callback );
|
---|
161 |
|
---|
162 | // Get the skin definition.
|
---|
163 | var skinDefinition = loaded[ skinName ];
|
---|
164 |
|
---|
165 | // Trigger init function if any.
|
---|
166 | if ( skinDefinition.init )
|
---|
167 | skinDefinition.init( editor );
|
---|
168 | }
|
---|
169 | else
|
---|
170 | {
|
---|
171 | paths[ skinName ] = skinPath;
|
---|
172 | CKEDITOR.scriptLoader.load( skinPath + 'skin.js', function()
|
---|
173 | {
|
---|
174 | loadedPart( skinName, skinPart, callback );
|
---|
175 |
|
---|
176 | // Get the skin definition.
|
---|
177 | var skinDefinition = loaded[ skinName ];
|
---|
178 |
|
---|
179 | // Trigger init function if any.
|
---|
180 | if ( skinDefinition.init )
|
---|
181 | skinDefinition.init( editor );
|
---|
182 | });
|
---|
183 | }
|
---|
184 | }
|
---|
185 | };
|
---|
186 | })();
|
---|