[3019] | 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 | * @file Blockquote.
|
---|
| 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 | // See if the first block has a blockquote parent.
|
---|
| 20 | if ( firstBlock.getAscendant( 'blockquote', true ) )
|
---|
| 21 | return CKEDITOR.TRISTATE_ON;
|
---|
| 22 |
|
---|
| 23 | return CKEDITOR.TRISTATE_OFF;
|
---|
| 24 | }
|
---|
| 25 |
|
---|
| 26 | function onSelectionChange( evt )
|
---|
| 27 | {
|
---|
| 28 | var editor = evt.editor,
|
---|
| 29 | command = editor.getCommand( 'blockquote' );
|
---|
| 30 | command.state = getState( editor, evt.data.path );
|
---|
| 31 | command.fire( 'state' );
|
---|
| 32 | }
|
---|
| 33 |
|
---|
| 34 | function noBlockLeft( bqBlock )
|
---|
| 35 | {
|
---|
| 36 | for ( var i = 0, length = bqBlock.getChildCount(), child ; i < length && ( child = bqBlock.getChild( i ) ) ; i++ )
|
---|
| 37 | {
|
---|
| 38 | if ( child.type == CKEDITOR.NODE_ELEMENT && child.isBlockBoundary() )
|
---|
| 39 | return false;
|
---|
| 40 | }
|
---|
| 41 | return true;
|
---|
| 42 | }
|
---|
| 43 |
|
---|
| 44 | var commandObject =
|
---|
| 45 | {
|
---|
| 46 | exec : function( editor )
|
---|
| 47 | {
|
---|
| 48 | var state = editor.getCommand( 'blockquote' ).state,
|
---|
| 49 | selection = editor.getSelection(),
|
---|
| 50 | range = selection && selection.getRanges()[0];
|
---|
| 51 |
|
---|
| 52 | if ( !range )
|
---|
| 53 | return;
|
---|
| 54 |
|
---|
| 55 | var bookmarks = selection.createBookmarks();
|
---|
| 56 |
|
---|
| 57 | // Kludge for #1592: if the bookmark nodes are in the beginning of
|
---|
| 58 | // blockquote, then move them to the nearest block element in the
|
---|
| 59 | // blockquote.
|
---|
| 60 | if ( CKEDITOR.env.ie )
|
---|
| 61 | {
|
---|
| 62 | var bookmarkStart = bookmarks[0].startNode,
|
---|
| 63 | bookmarkEnd = bookmarks[0].endNode,
|
---|
| 64 | cursor;
|
---|
| 65 |
|
---|
| 66 | if ( bookmarkStart && bookmarkStart.getParent().getName() == 'blockquote' )
|
---|
| 67 | {
|
---|
| 68 | cursor = bookmarkStart;
|
---|
| 69 | while ( ( cursor = cursor.getNext() ) )
|
---|
| 70 | {
|
---|
| 71 | if ( cursor.type == CKEDITOR.NODE_ELEMENT &&
|
---|
| 72 | cursor.isBlockBoundary() )
|
---|
| 73 | {
|
---|
| 74 | bookmarkStart.move( cursor, true );
|
---|
| 75 | break;
|
---|
| 76 | }
|
---|
| 77 | }
|
---|
| 78 | }
|
---|
| 79 |
|
---|
| 80 | if ( bookmarkEnd
|
---|
| 81 | && bookmarkEnd.getParent().getName() == 'blockquote' )
|
---|
| 82 | {
|
---|
| 83 | cursor = bookmarkEnd;
|
---|
| 84 | while ( ( cursor = cursor.getPrevious() ) )
|
---|
| 85 | {
|
---|
| 86 | if ( cursor.type == CKEDITOR.NODE_ELEMENT &&
|
---|
| 87 | cursor.isBlockBoundary() )
|
---|
| 88 | {
|
---|
| 89 | bookmarkEnd.move( cursor );
|
---|
| 90 | break;
|
---|
| 91 | }
|
---|
| 92 | }
|
---|
| 93 | }
|
---|
| 94 | }
|
---|
| 95 |
|
---|
| 96 | var iterator = range.createIterator(),
|
---|
| 97 | block;
|
---|
| 98 |
|
---|
| 99 | if ( state == CKEDITOR.TRISTATE_OFF )
|
---|
| 100 | {
|
---|
| 101 | var paragraphs = [];
|
---|
| 102 | while ( ( block = iterator.getNextParagraph() ) )
|
---|
| 103 | paragraphs.push( block );
|
---|
| 104 |
|
---|
| 105 | // If no paragraphs, create one from the current selection position.
|
---|
| 106 | if ( paragraphs.length < 1 )
|
---|
| 107 | {
|
---|
| 108 | var para = editor.document.createElement( editor.config.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ),
|
---|
| 109 | firstBookmark = bookmarks.shift();
|
---|
| 110 | range.insertNode( para );
|
---|
| 111 | para.append( new CKEDITOR.dom.text( '\ufeff', editor.document ) );
|
---|
| 112 | range.moveToBookmark( firstBookmark );
|
---|
| 113 | range.selectNodeContents( para );
|
---|
| 114 | range.collapse( true );
|
---|
| 115 | firstBookmark = range.createBookmark();
|
---|
| 116 | paragraphs.push( para );
|
---|
| 117 | bookmarks.unshift( firstBookmark );
|
---|
| 118 | }
|
---|
| 119 |
|
---|
| 120 | // Make sure all paragraphs have the same parent.
|
---|
| 121 | var commonParent = paragraphs[0].getParent(),
|
---|
| 122 | tmp = [];
|
---|
| 123 | for ( var i = 0 ; i < paragraphs.length ; i++ )
|
---|
| 124 | {
|
---|
| 125 | block = paragraphs[i];
|
---|
| 126 | commonParent = commonParent.getCommonAncestor( block.getParent() );
|
---|
| 127 | }
|
---|
| 128 |
|
---|
| 129 | // The common parent must not be the following tags: table, tbody, tr, ol, ul.
|
---|
| 130 | var denyTags = { table : 1, tbody : 1, tr : 1, ol : 1, ul : 1 };
|
---|
| 131 | while ( denyTags[ commonParent.getName() ] )
|
---|
| 132 | commonParent = commonParent.getParent();
|
---|
| 133 |
|
---|
| 134 | // Reconstruct the block list to be processed such that all resulting blocks
|
---|
| 135 | // satisfy parentNode.equals( commonParent ).
|
---|
| 136 | var lastBlock = null;
|
---|
| 137 | while ( paragraphs.length > 0 )
|
---|
| 138 | {
|
---|
| 139 | block = paragraphs.shift();
|
---|
| 140 | while ( !block.getParent().equals( commonParent ) )
|
---|
| 141 | block = block.getParent();
|
---|
| 142 | if ( !block.equals( lastBlock ) )
|
---|
| 143 | tmp.push( block );
|
---|
| 144 | lastBlock = block;
|
---|
| 145 | }
|
---|
| 146 |
|
---|
| 147 | // If any of the selected blocks is a blockquote, remove it to prevent
|
---|
| 148 | // nested blockquotes.
|
---|
| 149 | while ( tmp.length > 0 )
|
---|
| 150 | {
|
---|
| 151 | block = tmp.shift();
|
---|
| 152 | if ( block.getName() == 'blockquote' )
|
---|
| 153 | {
|
---|
| 154 | var docFrag = new CKEDITOR.dom.documentFragment( editor.document );
|
---|
| 155 | while ( block.getFirst() )
|
---|
| 156 | {
|
---|
| 157 | docFrag.append( block.getFirst().remove() );
|
---|
| 158 | paragraphs.push( docFrag.getLast() );
|
---|
| 159 | }
|
---|
| 160 |
|
---|
| 161 | docFrag.replace( block );
|
---|
| 162 | }
|
---|
| 163 | else
|
---|
| 164 | paragraphs.push( block );
|
---|
| 165 | }
|
---|
| 166 |
|
---|
| 167 | // Now we have all the blocks to be included in a new blockquote node.
|
---|
| 168 | var bqBlock = editor.document.createElement( 'blockquote' );
|
---|
| 169 | bqBlock.insertBefore( paragraphs[0] );
|
---|
| 170 | while ( paragraphs.length > 0 )
|
---|
| 171 | {
|
---|
| 172 | block = paragraphs.shift();
|
---|
| 173 | bqBlock.append( block );
|
---|
| 174 | }
|
---|
| 175 | }
|
---|
| 176 | else if ( state == CKEDITOR.TRISTATE_ON )
|
---|
| 177 | {
|
---|
| 178 | var moveOutNodes = [],
|
---|
| 179 | database = {};
|
---|
| 180 |
|
---|
| 181 | while ( ( block = iterator.getNextParagraph() ) )
|
---|
| 182 | {
|
---|
| 183 | var bqParent = null,
|
---|
| 184 | bqChild = null;
|
---|
| 185 | while ( block.getParent() )
|
---|
| 186 | {
|
---|
| 187 | if ( block.getParent().getName() == 'blockquote' )
|
---|
| 188 | {
|
---|
| 189 | bqParent = block.getParent();
|
---|
| 190 | bqChild = block;
|
---|
| 191 | break;
|
---|
| 192 | }
|
---|
| 193 | block = block.getParent();
|
---|
| 194 | }
|
---|
| 195 |
|
---|
| 196 | // Remember the blocks that were recorded down in the moveOutNodes array
|
---|
| 197 | // to prevent duplicates.
|
---|
| 198 | if ( bqParent && bqChild && !bqChild.getCustomData( 'blockquote_moveout' ) )
|
---|
| 199 | {
|
---|
| 200 | moveOutNodes.push( bqChild );
|
---|
| 201 | CKEDITOR.dom.element.setMarker( database, bqChild, 'blockquote_moveout', true );
|
---|
| 202 | }
|
---|
| 203 | }
|
---|
| 204 |
|
---|
| 205 | CKEDITOR.dom.element.clearAllMarkers( database );
|
---|
| 206 |
|
---|
| 207 | var movedNodes = [],
|
---|
| 208 | processedBlockquoteBlocks = [];
|
---|
| 209 |
|
---|
| 210 | database = {};
|
---|
| 211 | while ( moveOutNodes.length > 0 )
|
---|
| 212 | {
|
---|
| 213 | var node = moveOutNodes.shift();
|
---|
| 214 | bqBlock = node.getParent();
|
---|
| 215 |
|
---|
| 216 | // If the node is located at the beginning or the end, just take it out
|
---|
| 217 | // without splitting. Otherwise, split the blockquote node and move the
|
---|
| 218 | // paragraph in between the two blockquote nodes.
|
---|
| 219 | if ( !node.getPrevious() )
|
---|
| 220 | node.remove().insertBefore( bqBlock );
|
---|
| 221 | else if ( !node.getNext() )
|
---|
| 222 | node.remove().insertAfter( bqBlock );
|
---|
| 223 | else
|
---|
| 224 | {
|
---|
| 225 | node.breakParent( node.getParent() );
|
---|
| 226 | processedBlockquoteBlocks.push( node.getNext() );
|
---|
| 227 | }
|
---|
| 228 |
|
---|
| 229 | // Remember the blockquote node so we can clear it later (if it becomes empty).
|
---|
| 230 | if ( !bqBlock.getCustomData( 'blockquote_processed' ) )
|
---|
| 231 | {
|
---|
| 232 | processedBlockquoteBlocks.push( bqBlock );
|
---|
| 233 | CKEDITOR.dom.element.setMarker( database, bqBlock, 'blockquote_processed', true );
|
---|
| 234 | }
|
---|
| 235 |
|
---|
| 236 | movedNodes.push( node );
|
---|
| 237 | }
|
---|
| 238 |
|
---|
| 239 | CKEDITOR.dom.element.clearAllMarkers( database );
|
---|
| 240 |
|
---|
| 241 | // Clear blockquote nodes that have become empty.
|
---|
| 242 | for ( i = processedBlockquoteBlocks.length - 1 ; i >= 0 ; i-- )
|
---|
| 243 | {
|
---|
| 244 | bqBlock = processedBlockquoteBlocks[i];
|
---|
| 245 | if ( noBlockLeft( bqBlock ) )
|
---|
| 246 | bqBlock.remove();
|
---|
| 247 | }
|
---|
| 248 |
|
---|
| 249 | if ( editor.config.enterMode == CKEDITOR.ENTER_BR )
|
---|
| 250 | {
|
---|
| 251 | var firstTime = true;
|
---|
| 252 | while ( movedNodes.length )
|
---|
| 253 | {
|
---|
| 254 | node = movedNodes.shift();
|
---|
| 255 |
|
---|
| 256 | if ( node.getName() == 'div' )
|
---|
| 257 | {
|
---|
| 258 | docFrag = new CKEDITOR.dom.documentFragment( editor.document );
|
---|
| 259 | var needBeginBr = firstTime && node.getPrevious() &&
|
---|
| 260 | !( node.getPrevious().type == CKEDITOR.NODE_ELEMENT && node.getPrevious().isBlockBoundary() );
|
---|
| 261 | if ( needBeginBr )
|
---|
| 262 | docFrag.append( editor.document.createElement( 'br' ) );
|
---|
| 263 |
|
---|
| 264 | var needEndBr = node.getNext() &&
|
---|
| 265 | !( node.getNext().type == CKEDITOR.NODE_ELEMENT && node.getNext().isBlockBoundary() );
|
---|
| 266 | while ( node.getFirst() )
|
---|
| 267 | node.getFirst().remove().appendTo( docFrag );
|
---|
| 268 |
|
---|
| 269 | if ( needEndBr )
|
---|
| 270 | docFrag.append( editor.document.createElement( 'br' ) );
|
---|
| 271 |
|
---|
| 272 | docFrag.replace( node );
|
---|
| 273 | firstTime = false;
|
---|
| 274 | }
|
---|
| 275 | }
|
---|
| 276 | }
|
---|
| 277 | }
|
---|
| 278 |
|
---|
| 279 | selection.selectBookmarks( bookmarks );
|
---|
| 280 | editor.focus();
|
---|
| 281 | }
|
---|
| 282 | };
|
---|
| 283 |
|
---|
| 284 | CKEDITOR.plugins.add( 'blockquote',
|
---|
| 285 | {
|
---|
| 286 | init : function( editor )
|
---|
| 287 | {
|
---|
| 288 | editor.addCommand( 'blockquote', commandObject );
|
---|
| 289 |
|
---|
| 290 | editor.ui.addButton( 'Blockquote',
|
---|
| 291 | {
|
---|
| 292 | label : editor.lang.blockquote,
|
---|
| 293 | command : 'blockquote'
|
---|
| 294 | } );
|
---|
| 295 |
|
---|
| 296 | editor.on( 'selectionChange', onSelectionChange );
|
---|
| 297 | },
|
---|
| 298 |
|
---|
| 299 | requires : [ 'domiterator' ]
|
---|
| 300 | } );
|
---|
| 301 | })();
|
---|