source: trunk/admin/inc/ckeditor/_source/plugins/justify/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: 6.9 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
6/**
7 * @file Justify commands.
8 */
9
10(function()
11{
12 function getState( editor, path )
13 {
14 var firstBlock = path.block || path.blockLimit;
15
16 if ( !firstBlock || firstBlock.getName() == 'body' )
17 return CKEDITOR.TRISTATE_OFF;
18
19 return ( getAlignment( firstBlock, editor.config.useComputedState ) == this.value ) ?
20 CKEDITOR.TRISTATE_ON :
21 CKEDITOR.TRISTATE_OFF;
22 }
23
24 function getAlignment( element, useComputedState )
25 {
26 useComputedState = useComputedState === undefined || useComputedState;
27
28 var align;
29 if ( useComputedState )
30 align = element.getComputedStyle( 'text-align' );
31 else
32 {
33 while ( !element.hasAttribute || !( element.hasAttribute( 'align' ) || element.getStyle( 'text-align' ) ) )
34 {
35 var parent = element.getParent();
36 if ( !parent )
37 break;
38 element = parent;
39 }
40 align = element.getStyle( 'text-align' ) || element.getAttribute( 'align' ) || '';
41 }
42
43 align && ( align = align.replace( /-moz-|-webkit-|start|auto/i, '' ) );
44
45 !align && useComputedState && ( align = element.getComputedStyle( 'direction' ) == 'rtl' ? 'right' : 'left' );
46
47 return align;
48 }
49
50 function onSelectionChange( evt )
51 {
52 if ( evt.editor.readOnly )
53 return;
54
55 var command = evt.editor.getCommand( this.name );
56 command.state = getState.call( this, evt.editor, evt.data.path );
57 command.fire( 'state' );
58 }
59
60 function justifyCommand( editor, name, value )
61 {
62 this.name = name;
63 this.value = value;
64
65 var classes = editor.config.justifyClasses;
66 if ( classes )
67 {
68 switch ( value )
69 {
70 case 'left' :
71 this.cssClassName = classes[0];
72 break;
73 case 'center' :
74 this.cssClassName = classes[1];
75 break;
76 case 'right' :
77 this.cssClassName = classes[2];
78 break;
79 case 'justify' :
80 this.cssClassName = classes[3];
81 break;
82 }
83
84 this.cssClassRegex = new RegExp( '(?:^|\\s+)(?:' + classes.join( '|' ) + ')(?=$|\\s)' );
85 }
86 }
87
88 function onDirChanged( e )
89 {
90 var editor = e.editor;
91
92 var range = new CKEDITOR.dom.range( editor.document );
93 range.setStartBefore( e.data.node );
94 range.setEndAfter( e.data.node );
95
96 var walker = new CKEDITOR.dom.walker( range ),
97 node;
98
99 while ( ( node = walker.next() ) )
100 {
101 if ( node.type == CKEDITOR.NODE_ELEMENT )
102 {
103 // A child with the defined dir is to be ignored.
104 if ( !node.equals( e.data.node ) && node.getDirection() )
105 {
106 range.setStartAfter( node );
107 walker = new CKEDITOR.dom.walker( range );
108 continue;
109 }
110
111 // Switch the alignment.
112 var classes = editor.config.justifyClasses;
113 if ( classes )
114 {
115 // The left align class.
116 if ( node.hasClass( classes[ 0 ] ) )
117 {
118 node.removeClass( classes[ 0 ] );
119 node.addClass( classes[ 2 ] );
120 }
121 // The right align class.
122 else if ( node.hasClass( classes[ 2 ] ) )
123 {
124 node.removeClass( classes[ 2 ] );
125 node.addClass( classes[ 0 ] );
126 }
127 }
128
129 // Always switch CSS margins.
130 var style = 'text-align';
131 var align = node.getStyle( style );
132
133 if ( align == 'left' )
134 node.setStyle( style, 'right' );
135 else if ( align == 'right' )
136 node.setStyle( style, 'left' );
137 }
138 }
139 }
140
141 justifyCommand.prototype = {
142 exec : function( editor )
143 {
144 var selection = editor.getSelection(),
145 enterMode = editor.config.enterMode;
146
147 if ( !selection )
148 return;
149
150 var bookmarks = selection.createBookmarks(),
151 ranges = selection.getRanges( true );
152
153 var cssClassName = this.cssClassName,
154 iterator,
155 block;
156
157 var useComputedState = editor.config.useComputedState;
158 useComputedState = useComputedState === undefined || useComputedState;
159
160 for ( var i = ranges.length - 1 ; i >= 0 ; i-- )
161 {
162 iterator = ranges[ i ].createIterator();
163 iterator.enlargeBr = enterMode != CKEDITOR.ENTER_BR;
164
165 while ( ( block = iterator.getNextParagraph( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) ) )
166 {
167 block.removeAttribute( 'align' );
168 block.removeStyle( 'text-align' );
169
170 // Remove any of the alignment classes from the className.
171 var className = cssClassName && ( block.$.className =
172 CKEDITOR.tools.ltrim( block.$.className.replace( this.cssClassRegex, '' ) ) );
173
174 var apply =
175 ( this.state == CKEDITOR.TRISTATE_OFF ) &&
176 ( !useComputedState || ( getAlignment( block, true ) != this.value ) );
177
178 if ( cssClassName )
179 {
180 // Append the desired class name.
181 if ( apply )
182 block.addClass( cssClassName );
183 else if ( !className )
184 block.removeAttribute( 'class' );
185 }
186 else if ( apply )
187 block.setStyle( 'text-align', this.value );
188 }
189
190 }
191
192 editor.focus();
193 editor.forceNextSelectionCheck();
194 selection.selectBookmarks( bookmarks );
195 }
196 };
197
198 CKEDITOR.plugins.add( 'justify',
199 {
200 init : function( editor )
201 {
202 var left = new justifyCommand( editor, 'justifyleft', 'left' ),
203 center = new justifyCommand( editor, 'justifycenter', 'center' ),
204 right = new justifyCommand( editor, 'justifyright', 'right' ),
205 justify = new justifyCommand( editor, 'justifyblock', 'justify' );
206
207 editor.addCommand( 'justifyleft', left );
208 editor.addCommand( 'justifycenter', center );
209 editor.addCommand( 'justifyright', right );
210 editor.addCommand( 'justifyblock', justify );
211
212 editor.ui.addButton( 'JustifyLeft',
213 {
214 label : editor.lang.justify.left,
215 command : 'justifyleft'
216 } );
217 editor.ui.addButton( 'JustifyCenter',
218 {
219 label : editor.lang.justify.center,
220 command : 'justifycenter'
221 } );
222 editor.ui.addButton( 'JustifyRight',
223 {
224 label : editor.lang.justify.right,
225 command : 'justifyright'
226 } );
227 editor.ui.addButton( 'JustifyBlock',
228 {
229 label : editor.lang.justify.block,
230 command : 'justifyblock'
231 } );
232
233 editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, left ) );
234 editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, right ) );
235 editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, center ) );
236 editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, justify ) );
237 editor.on( 'dirChanged', onDirChanged );
238 },
239
240 requires : [ 'domiterator' ]
241 });
242})();
243
244 /**
245 * List of classes to use for aligning the contents. If it's null, no classes will be used
246 * and instead the corresponding CSS values will be used. The array should contain 4 members, in the following order: left, center, right, justify.
247 * @name CKEDITOR.config.justifyClasses
248 * @type Array
249 * @default null
250 * @example
251 * // Use the classes 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify'
252 * config.justifyClasses = [ 'AlignLeft', 'AlignCenter', 'AlignRight', 'AlignJustify' ];
253 */
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