source: trunk/admin/inc/ckeditor/_source/plugins/link/plugin.js@ 248

Last change on this file since 248 was 239, checked in by luc, 9 years ago

Admin: correzione visulaizzazione immissione dati spoglio per Chrome e Safari - Aggiornamento dell'editor da FCKeditor a CKeditor , accessibili anche a Chrome e Safari.
  • Property svn:executable set to *
File size: 10.4 KB
Line 
1/*
2Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
3For licensing, see LICENSE.html or http://ckeditor.com/license
4*/
5
6CKEDITOR.plugins.add( 'link',
7{
8 init : function( editor )
9 {
10 // Add the link and unlink buttons.
11 editor.addCommand( 'link', new CKEDITOR.dialogCommand( 'link' ) );
12 editor.addCommand( 'anchor', new CKEDITOR.dialogCommand( 'anchor' ) );
13 editor.addCommand( 'unlink', new CKEDITOR.unlinkCommand() );
14 editor.addCommand( 'removeAnchor', new CKEDITOR.removeAnchorCommand() );
15 editor.ui.addButton( 'Link',
16 {
17 label : editor.lang.link.toolbar,
18 command : 'link'
19 } );
20 editor.ui.addButton( 'Unlink',
21 {
22 label : editor.lang.unlink,
23 command : 'unlink'
24 } );
25 editor.ui.addButton( 'Anchor',
26 {
27 label : editor.lang.anchor.toolbar,
28 command : 'anchor'
29 } );
30 CKEDITOR.dialog.add( 'link', this.path + 'dialogs/link.js' );
31 CKEDITOR.dialog.add( 'anchor', this.path + 'dialogs/anchor.js' );
32
33 // Add the CSS styles for anchor placeholders.
34
35 var side = ( editor.lang.dir == 'rtl' ? 'right' : 'left' );
36 var basicCss =
37 'background:url(' + CKEDITOR.getUrl( this.path + 'images/anchor.gif' ) + ') no-repeat ' + side + ' center;' +
38 'border:1px dotted #00f;';
39
40 editor.addCss(
41 'a.cke_anchor,a.cke_anchor_empty' +
42 // IE6 breaks with the following selectors.
43 ( ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 ) ? '' :
44 ',a[name],a[data-cke-saved-name]' ) +
45 '{' +
46 basicCss +
47 'padding-' + side + ':18px;' +
48 // Show the arrow cursor for the anchor image (FF at least).
49 'cursor:auto;' +
50 '}' +
51 ( CKEDITOR.env.ie ? (
52 'a.cke_anchor_empty' +
53 '{' +
54 // Make empty anchor selectable on IE.
55 'display:inline-block;' +
56 '}'
57 ) : '' ) +
58 'img.cke_anchor' +
59 '{' +
60 basicCss +
61 'width:16px;' +
62 'min-height:15px;' +
63 // The default line-height on IE.
64 'height:1.15em;' +
65 // Opera works better with "middle" (even if not perfect)
66 'vertical-align:' + ( CKEDITOR.env.opera ? 'middle' : 'text-bottom' ) + ';' +
67 '}');
68
69 // Register selection change handler for the unlink button.
70 editor.on( 'selectionChange', function( evt )
71 {
72 if ( editor.readOnly )
73 return;
74
75 /*
76 * Despite our initial hope, document.queryCommandEnabled() does not work
77 * for this in Firefox. So we must detect the state by element paths.
78 */
79 var command = editor.getCommand( 'unlink' ),
80 element = evt.data.path.lastElement && evt.data.path.lastElement.getAscendant( 'a', true );
81 if ( element && element.getName() == 'a' && element.getAttribute( 'href' ) && element.getChildCount() )
82 command.setState( CKEDITOR.TRISTATE_OFF );
83 else
84 command.setState( CKEDITOR.TRISTATE_DISABLED );
85 } );
86
87 editor.on( 'doubleclick', function( evt )
88 {
89 var element = CKEDITOR.plugins.link.getSelectedLink( editor ) || evt.data.element;
90
91 if ( !element.isReadOnly() )
92 {
93 if ( element.is( 'a' ) )
94 {
95 evt.data.dialog = ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) ? 'anchor' : 'link';
96 editor.getSelection().selectElement( element );
97 }
98 else if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) )
99 evt.data.dialog = 'anchor';
100 }
101 });
102
103 // If the "menu" plugin is loaded, register the menu items.
104 if ( editor.addMenuItems )
105 {
106 editor.addMenuItems(
107 {
108 anchor :
109 {
110 label : editor.lang.anchor.menu,
111 command : 'anchor',
112 group : 'anchor',
113 order : 1
114 },
115
116 removeAnchor :
117 {
118 label : editor.lang.anchor.remove,
119 command : 'removeAnchor',
120 group : 'anchor',
121 order : 5
122 },
123
124 link :
125 {
126 label : editor.lang.link.menu,
127 command : 'link',
128 group : 'link',
129 order : 1
130 },
131
132 unlink :
133 {
134 label : editor.lang.unlink,
135 command : 'unlink',
136 group : 'link',
137 order : 5
138 }
139 });
140 }
141
142 // If the "contextmenu" plugin is loaded, register the listeners.
143 if ( editor.contextMenu )
144 {
145 editor.contextMenu.addListener( function( element, selection )
146 {
147 if ( !element || element.isReadOnly() )
148 return null;
149
150 var anchor = CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element );
151
152 if ( !anchor && !( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) )
153 return null;
154
155 var menu = {};
156
157 if ( anchor.getAttribute( 'href' ) && anchor.getChildCount() )
158 menu = { link : CKEDITOR.TRISTATE_OFF, unlink : CKEDITOR.TRISTATE_OFF };
159
160 if ( anchor && anchor.hasAttribute( 'name' ) )
161 menu.anchor = menu.removeAnchor = CKEDITOR.TRISTATE_OFF;
162
163 return menu;
164 });
165 }
166 },
167
168 afterInit : function( editor )
169 {
170 // Register a filter to displaying placeholders after mode change.
171
172 var dataProcessor = editor.dataProcessor,
173 dataFilter = dataProcessor && dataProcessor.dataFilter,
174 htmlFilter = dataProcessor && dataProcessor.htmlFilter,
175 pathFilters = editor._.elementsPath && editor._.elementsPath.filters;
176
177 if ( dataFilter )
178 {
179 dataFilter.addRules(
180 {
181 elements :
182 {
183 a : function( element )
184 {
185 var attributes = element.attributes;
186 if ( !attributes.name )
187 return null;
188
189 var isEmpty = !element.children.length;
190
191 if ( CKEDITOR.plugins.link.synAnchorSelector )
192 {
193 // IE needs a specific class name to be applied
194 // to the anchors, for appropriate styling.
195 var ieClass = isEmpty ? 'cke_anchor_empty' : 'cke_anchor';
196 var cls = attributes[ 'class' ];
197 if ( attributes.name && ( !cls || cls.indexOf( ieClass ) < 0 ) )
198 attributes[ 'class' ] = ( cls || '' ) + ' ' + ieClass;
199
200 if ( isEmpty && CKEDITOR.plugins.link.emptyAnchorFix )
201 {
202 attributes.contenteditable = 'false';
203 attributes[ 'data-cke-editable' ] = 1;
204 }
205 }
206 else if ( CKEDITOR.plugins.link.fakeAnchor && isEmpty )
207 return editor.createFakeParserElement( element, 'cke_anchor', 'anchor' );
208
209 return null;
210 }
211 }
212 });
213 }
214
215 if ( CKEDITOR.plugins.link.emptyAnchorFix && htmlFilter )
216 {
217 htmlFilter.addRules(
218 {
219 elements :
220 {
221 a : function( element )
222 {
223 delete element.attributes.contenteditable;
224 }
225 }
226 });
227 }
228
229 if ( pathFilters )
230 {
231 pathFilters.push( function( element, name )
232 {
233 if ( name == 'a' )
234 {
235 if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) ||
236 ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) )
237 {
238 return 'anchor';
239 }
240 }
241 });
242 }
243 },
244
245 requires : [ 'fakeobjects' ]
246} );
247
248CKEDITOR.plugins.link =
249{
250 /**
251 * Get the surrounding link element of current selection.
252 * @param editor
253 * @example CKEDITOR.plugins.link.getSelectedLink( editor );
254 * @since 3.2.1
255 * The following selection will all return the link element.
256 * <pre>
257 * <a href="#">li^nk</a>
258 * <a href="#">[link]</a>
259 * text[<a href="#">link]</a>
260 * <a href="#">li[nk</a>]
261 * [<b><a href="#">li]nk</a></b>]
262 * [<a href="#"><b>li]nk</b></a>
263 * </pre>
264 */
265 getSelectedLink : function( editor )
266 {
267 try
268 {
269 var selection = editor.getSelection();
270 if ( selection.getType() == CKEDITOR.SELECTION_ELEMENT )
271 {
272 var selectedElement = selection.getSelectedElement();
273 if ( selectedElement.is( 'a' ) )
274 return selectedElement;
275 }
276
277 var range = selection.getRanges( true )[ 0 ];
278 range.shrink( CKEDITOR.SHRINK_TEXT );
279 var root = range.getCommonAncestor();
280 return root.getAscendant( 'a', true );
281 }
282 catch( e ) { return null; }
283 },
284
285 // Opera and WebKit don't make it possible to select empty anchors. Fake
286 // elements must be used for them.
287 fakeAnchor : CKEDITOR.env.opera || CKEDITOR.env.webkit,
288
289 // For browsers that don't support CSS3 a[name]:empty(), note IE9 is included because of #7783.
290 synAnchorSelector : CKEDITOR.env.ie,
291
292 // For browsers that have editing issue with empty anchor.
293 emptyAnchorFix : CKEDITOR.env.ie && CKEDITOR.env.version < 8,
294
295 tryRestoreFakeAnchor : function( editor, element )
296 {
297 if ( element && element.data( 'cke-real-element-type' ) && element.data( 'cke-real-element-type' ) == 'anchor' )
298 {
299 var link = editor.restoreRealElement( element );
300 if ( link.data( 'cke-saved-name' ) )
301 return link;
302 }
303 }
304};
305
306CKEDITOR.unlinkCommand = function(){};
307CKEDITOR.unlinkCommand.prototype =
308{
309 /** @ignore */
310 exec : function( editor )
311 {
312 /*
313 * execCommand( 'unlink', ... ) in Firefox leaves behind <span> tags at where
314 * the <a> was, so again we have to remove the link ourselves. (See #430)
315 *
316 * TODO: Use the style system when it's complete. Let's use execCommand()
317 * as a stopgap solution for now.
318 */
319 var selection = editor.getSelection(),
320 bookmarks = selection.createBookmarks(),
321 ranges = selection.getRanges(),
322 rangeRoot,
323 element;
324
325 for ( var i = 0 ; i < ranges.length ; i++ )
326 {
327 rangeRoot = ranges[i].getCommonAncestor( true );
328 element = rangeRoot.getAscendant( 'a', true );
329 if ( !element )
330 continue;
331 ranges[i].selectNodeContents( element );
332 }
333
334 selection.selectRanges( ranges );
335 editor.document.$.execCommand( 'unlink', false, null );
336 selection.selectBookmarks( bookmarks );
337 },
338
339 startDisabled : true
340};
341
342CKEDITOR.removeAnchorCommand = function(){};
343CKEDITOR.removeAnchorCommand.prototype =
344{
345 /** @ignore */
346 exec : function( editor )
347 {
348 var sel = editor.getSelection(),
349 bms = sel.createBookmarks(),
350 anchor;
351 if ( sel && ( anchor = sel.getSelectedElement() ) && ( CKEDITOR.plugins.link.fakeAnchor && !anchor.getChildCount() ? CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, anchor ) : anchor.is( 'a' ) ) )
352 anchor.remove( 1 );
353 else
354 {
355 if ( ( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) )
356 {
357 if ( anchor.hasAttribute( 'href' ) )
358 {
359 anchor.removeAttributes( { name : 1, 'data-cke-saved-name' : 1 } );
360 anchor.removeClass( 'cke_anchor' );
361 }
362 else
363 anchor.remove( 1 );
364 }
365 }
366 sel.selectBookmarks( bms );
367 }
368};
369
370CKEDITOR.tools.extend( CKEDITOR.config,
371{
372 linkShowAdvancedTab : true,
373 linkShowTargetTab : true
374} );
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