| 1 | /*
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| 2 | Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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| 4 | */
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| 5 |
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| 6 | /**
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| 7 | * @file Increse and decrease indent commands.
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| 8 | */
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| 9 |
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| 10 | (function()
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| 11 | {
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| 12 | var listNodeNames = { ol : 1, ul : 1 },
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| 13 | isNotWhitespaces = CKEDITOR.dom.walker.whitespaces( true ),
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| 14 | isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true );
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| 15 |
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| 16 | function onSelectionChange( evt )
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| 17 | {
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| 18 | if ( evt.editor.readOnly )
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| 19 | return null;
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| 20 |
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| 21 | var editor = evt.editor,
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| 22 | elementPath = evt.data.path,
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| 23 | list = elementPath && elementPath.contains( listNodeNames ),
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| 24 | firstBlock = elementPath.block || elementPath.blockLimit;
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| 25 |
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| 26 | if ( list )
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| 27 | return this.setState( CKEDITOR.TRISTATE_OFF );
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| 28 |
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| 29 | if ( !this.useIndentClasses && this.name == 'indent' )
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| 30 | return this.setState( CKEDITOR.TRISTATE_OFF );
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| 31 |
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| 32 | if ( !firstBlock )
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| 33 | return this.setState( CKEDITOR.TRISTATE_DISABLED );
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| 34 |
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| 35 | if ( this.useIndentClasses )
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| 36 | {
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| 37 | var indentClass = firstBlock.$.className.match( this.classNameRegex ),
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| 38 | indentStep = 0;
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| 39 | if ( indentClass )
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| 40 | {
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| 41 | indentClass = indentClass[1];
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| 42 | indentStep = this.indentClassMap[ indentClass ];
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| 43 | }
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| 44 | if ( ( this.name == 'outdent' && !indentStep ) ||
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| 45 | ( this.name == 'indent' && indentStep == editor.config.indentClasses.length ) )
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| 46 | return this.setState( CKEDITOR.TRISTATE_DISABLED );
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| 47 | return this.setState( CKEDITOR.TRISTATE_OFF );
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| 48 | }
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| 49 | else
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| 50 | {
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| 51 | var indent = parseInt( firstBlock.getStyle( getIndentCssProperty( firstBlock ) ), 10 );
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| 52 | if ( isNaN( indent ) )
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| 53 | indent = 0;
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| 54 | if ( indent <= 0 )
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| 55 | return this.setState( CKEDITOR.TRISTATE_DISABLED );
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| 56 | return this.setState( CKEDITOR.TRISTATE_OFF );
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| 57 | }
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| 58 | }
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| 59 |
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| 60 | function indentCommand( editor, name )
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| 61 | {
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| 62 | this.name = name;
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| 63 | this.useIndentClasses = editor.config.indentClasses && editor.config.indentClasses.length > 0;
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| 64 | if ( this.useIndentClasses )
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| 65 | {
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| 66 | this.classNameRegex = new RegExp( '(?:^|\\s+)(' + editor.config.indentClasses.join( '|' ) + ')(?=$|\\s)' );
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| 67 | this.indentClassMap = {};
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| 68 | for ( var i = 0 ; i < editor.config.indentClasses.length ; i++ )
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| 69 | this.indentClassMap[ editor.config.indentClasses[i] ] = i + 1;
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| 70 | }
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| 71 |
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| 72 | this.startDisabled = name == 'outdent';
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| 73 | }
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| 74 |
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| 75 | // Returns the CSS property to be used for identing a given element.
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| 76 | function getIndentCssProperty( element, dir )
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| 77 | {
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| 78 | return ( dir || element.getComputedStyle( 'direction' ) ) == 'ltr' ? 'margin-left' : 'margin-right';
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| 79 | }
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| 80 |
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| 81 | function isListItem( node )
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| 82 | {
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| 83 | return node.type == CKEDITOR.NODE_ELEMENT && node.is( 'li' );
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| 84 | }
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| 85 |
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| 86 | indentCommand.prototype = {
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| 87 | exec : function( editor )
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| 88 | {
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| 89 | var self = this, database = {};
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| 90 |
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| 91 | function indentList( listNode )
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| 92 | {
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| 93 | // Our starting and ending points of the range might be inside some blocks under a list item...
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| 94 | // So before playing with the iterator, we need to expand the block to include the list items.
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| 95 | var startContainer = range.startContainer,
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| 96 | endContainer = range.endContainer;
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| 97 | while ( startContainer && !startContainer.getParent().equals( listNode ) )
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| 98 | startContainer = startContainer.getParent();
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| 99 | while ( endContainer && !endContainer.getParent().equals( listNode ) )
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| 100 | endContainer = endContainer.getParent();
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| 101 |
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| 102 | if ( !startContainer || !endContainer )
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| 103 | return;
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| 104 |
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| 105 | // Now we can iterate over the individual items on the same tree depth.
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| 106 | var block = startContainer,
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| 107 | itemsToMove = [],
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| 108 | stopFlag = false;
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| 109 | while ( !stopFlag )
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| 110 | {
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| 111 | if ( block.equals( endContainer ) )
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| 112 | stopFlag = true;
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| 113 | itemsToMove.push( block );
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| 114 | block = block.getNext();
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| 115 | }
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| 116 | if ( itemsToMove.length < 1 )
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| 117 | return;
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| 118 |
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| 119 | // Do indent or outdent operations on the array model of the list, not the
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| 120 | // list's DOM tree itself. The array model demands that it knows as much as
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| 121 | // possible about the surrounding lists, we need to feed it the further
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| 122 | // ancestor node that is still a list.
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| 123 | var listParents = listNode.getParents( true );
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| 124 | for ( var i = 0 ; i < listParents.length ; i++ )
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| 125 | {
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| 126 | if ( listParents[i].getName && listNodeNames[ listParents[i].getName() ] )
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| 127 | {
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| 128 | listNode = listParents[i];
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| 129 | break;
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| 130 | }
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| 131 | }
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| 132 | var indentOffset = self.name == 'indent' ? 1 : -1,
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| 133 | startItem = itemsToMove[0],
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| 134 | lastItem = itemsToMove[ itemsToMove.length - 1 ];
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| 135 |
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| 136 | // Convert the list DOM tree into a one dimensional array.
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| 137 | var listArray = CKEDITOR.plugins.list.listToArray( listNode, database );
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| 138 |
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| 139 | // Apply indenting or outdenting on the array.
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| 140 | var baseIndent = listArray[ lastItem.getCustomData( 'listarray_index' ) ].indent;
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| 141 | for ( i = startItem.getCustomData( 'listarray_index' ); i <= lastItem.getCustomData( 'listarray_index' ); i++ )
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| 142 | {
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| 143 | listArray[ i ].indent += indentOffset;
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| 144 | // Make sure the newly created sublist get a brand-new element of the same type. (#5372)
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| 145 | var listRoot = listArray[ i ].parent;
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| 146 | listArray[ i ].parent = new CKEDITOR.dom.element( listRoot.getName(), listRoot.getDocument() );
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| 147 | }
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| 148 |
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| 149 | for ( i = lastItem.getCustomData( 'listarray_index' ) + 1 ;
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| 150 | i < listArray.length && listArray[i].indent > baseIndent ; i++ )
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| 151 | listArray[i].indent += indentOffset;
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| 152 |
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| 153 | // Convert the array back to a DOM forest (yes we might have a few subtrees now).
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| 154 | // And replace the old list with the new forest.
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| 155 | var newList = CKEDITOR.plugins.list.arrayToList( listArray, database, null, editor.config.enterMode, listNode.getDirection() );
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| 156 |
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| 157 | // Avoid nested <li> after outdent even they're visually same,
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| 158 | // recording them for later refactoring.(#3982)
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| 159 | if ( self.name == 'outdent' )
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| 160 | {
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| 161 | var parentLiElement;
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| 162 | if ( ( parentLiElement = listNode.getParent() ) && parentLiElement.is( 'li' ) )
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| 163 | {
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| 164 | var children = newList.listNode.getChildren(),
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| 165 | pendingLis = [],
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| 166 | count = children.count(),
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| 167 | child;
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| 168 |
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| 169 | for ( i = count - 1 ; i >= 0 ; i-- )
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| 170 | {
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| 171 | if ( ( child = children.getItem( i ) ) && child.is && child.is( 'li' ) )
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| 172 | pendingLis.push( child );
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| 173 | }
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| 174 | }
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| 175 | }
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| 176 |
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| 177 | if ( newList )
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| 178 | newList.listNode.replace( listNode );
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| 179 |
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| 180 | // Move the nested <li> to be appeared after the parent.
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| 181 | if ( pendingLis && pendingLis.length )
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| 182 | {
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| 183 | for ( i = 0; i < pendingLis.length ; i++ )
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| 184 | {
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| 185 | var li = pendingLis[ i ],
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| 186 | followingList = li;
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| 187 |
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| 188 | // Nest preceding <ul>/<ol> inside current <li> if any.
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| 189 | while ( ( followingList = followingList.getNext() ) &&
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| 190 | followingList.is &&
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| 191 | followingList.getName() in listNodeNames )
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| 192 | {
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| 193 | // IE requires a filler NBSP for nested list inside empty list item,
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| 194 | // otherwise the list item will be inaccessiable. (#4476)
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| 195 | if ( CKEDITOR.env.ie && !li.getFirst( function( node ){ return isNotWhitespaces( node ) && isNotBookmark( node ); } ) )
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| 196 | li.append( range.document.createText( '\u00a0' ) );
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| 197 |
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| 198 | li.append( followingList );
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| 199 | }
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| 200 |
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| 201 | li.insertAfter( parentLiElement );
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| 202 | }
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| 203 | }
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| 204 | }
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| 205 |
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| 206 | function indentBlock()
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| 207 | {
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| 208 | var iterator = range.createIterator(),
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| 209 | enterMode = editor.config.enterMode;
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| 210 | iterator.enforceRealBlocks = true;
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| 211 | iterator.enlargeBr = enterMode != CKEDITOR.ENTER_BR;
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| 212 | var block;
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| 213 | while ( ( block = iterator.getNextParagraph( enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' ) ) )
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| 214 | indentElement( block );
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| 215 | }
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| 216 |
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| 217 | function indentElement( element, dir )
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| 218 | {
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| 219 | if ( element.getCustomData( 'indent_processed' ) )
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| 220 | return false;
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| 221 |
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| 222 | if ( self.useIndentClasses )
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| 223 | {
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| 224 | // Transform current class name to indent step index.
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| 225 | var indentClass = element.$.className.match( self.classNameRegex ),
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| 226 | indentStep = 0;
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| 227 | if ( indentClass )
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| 228 | {
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| 229 | indentClass = indentClass[1];
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| 230 | indentStep = self.indentClassMap[ indentClass ];
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| 231 | }
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| 232 |
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| 233 | // Operate on indent step index, transform indent step index back to class
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| 234 | // name.
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| 235 | if ( self.name == 'outdent' )
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| 236 | indentStep--;
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| 237 | else
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| 238 | indentStep++;
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| 239 |
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| 240 | if ( indentStep < 0 )
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| 241 | return false;
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| 242 |
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| 243 | indentStep = Math.min( indentStep, editor.config.indentClasses.length );
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| 244 | indentStep = Math.max( indentStep, 0 );
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| 245 | element.$.className = CKEDITOR.tools.ltrim( element.$.className.replace( self.classNameRegex, '' ) );
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| 246 | if ( indentStep > 0 )
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| 247 | element.addClass( editor.config.indentClasses[ indentStep - 1 ] );
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| 248 | }
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| 249 | else
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| 250 | {
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| 251 | var indentCssProperty = getIndentCssProperty( element, dir ),
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| 252 | currentOffset = parseInt( element.getStyle( indentCssProperty ), 10 );
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| 253 | if ( isNaN( currentOffset ) )
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| 254 | currentOffset = 0;
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| 255 | var indentOffset = editor.config.indentOffset || 40;
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| 256 | currentOffset += ( self.name == 'indent' ? 1 : -1 ) * indentOffset;
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| 257 |
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| 258 | if ( currentOffset < 0 )
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| 259 | return false;
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| 260 |
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| 261 | currentOffset = Math.max( currentOffset, 0 );
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| 262 | currentOffset = Math.ceil( currentOffset / indentOffset ) * indentOffset;
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| 263 | element.setStyle( indentCssProperty, currentOffset ? currentOffset + ( editor.config.indentUnit || 'px' ) : '' );
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| 264 | if ( element.getAttribute( 'style' ) === '' )
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| 265 | element.removeAttribute( 'style' );
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| 266 | }
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| 267 |
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| 268 | CKEDITOR.dom.element.setMarker( database, element, 'indent_processed', 1 );
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| 269 | return true;
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| 270 | }
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| 271 |
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| 272 | var selection = editor.getSelection(),
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| 273 | bookmarks = selection.createBookmarks( 1 ),
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| 274 | ranges = selection && selection.getRanges( 1 ),
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| 275 | range;
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| 276 |
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| 277 |
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| 278 | var iterator = ranges.createIterator();
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| 279 | while ( ( range = iterator.getNextRange() ) )
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| 280 | {
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| 281 | var rangeRoot = range.getCommonAncestor(),
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| 282 | nearestListBlock = rangeRoot;
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| 283 |
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| 284 | while ( nearestListBlock && !( nearestListBlock.type == CKEDITOR.NODE_ELEMENT &&
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| 285 | listNodeNames[ nearestListBlock.getName() ] ) )
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| 286 | nearestListBlock = nearestListBlock.getParent();
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| 287 |
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| 288 | // Avoid having selection enclose the entire list. (#6138)
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| 289 | // [<ul><li>...</li></ul>] =><ul><li>[...]</li></ul>
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| 290 | if ( !nearestListBlock )
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| 291 | {
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| 292 | var selectedNode = range.getEnclosedNode();
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| 293 | if ( selectedNode
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| 294 | && selectedNode.type == CKEDITOR.NODE_ELEMENT
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| 295 | && selectedNode.getName() in listNodeNames)
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| 296 | {
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| 297 | range.setStartAt( selectedNode, CKEDITOR.POSITION_AFTER_START );
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| 298 | range.setEndAt( selectedNode, CKEDITOR.POSITION_BEFORE_END );
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| 299 | nearestListBlock = selectedNode;
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| 300 | }
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| 301 | }
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| 302 |
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| 303 | // Avoid selection anchors under list root.
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| 304 | // <ul>[<li>...</li>]</ul> => <ul><li>[...]</li></ul>
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| 305 | if ( nearestListBlock && range.startContainer.type == CKEDITOR.NODE_ELEMENT
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| 306 | && range.startContainer.getName() in listNodeNames )
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| 307 | {
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| 308 | var walker = new CKEDITOR.dom.walker( range );
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| 309 | walker.evaluator = isListItem;
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| 310 | range.startContainer = walker.next();
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| 311 | }
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| 312 |
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| 313 | if ( nearestListBlock && range.endContainer.type == CKEDITOR.NODE_ELEMENT
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| 314 | && range.endContainer.getName() in listNodeNames )
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| 315 | {
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| 316 | walker = new CKEDITOR.dom.walker( range );
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| 317 | walker.evaluator = isListItem;
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| 318 | range.endContainer = walker.previous();
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| 319 | }
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| 320 |
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| 321 | if ( nearestListBlock )
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| 322 | {
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| 323 | var firstListItem = nearestListBlock.getFirst( isListItem ),
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| 324 | hasMultipleItems = !!firstListItem.getNext( isListItem ),
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| 325 | rangeStart = range.startContainer,
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| 326 | indentWholeList = firstListItem.equals( rangeStart ) || firstListItem.contains( rangeStart );
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| 327 |
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| 328 | // Indent the entire list if cursor is inside the first list item. (#3893)
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| 329 | // Only do that for indenting or when using indent classes or when there is something to outdent. (#6141)
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| 330 | if ( !( indentWholeList &&
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| 331 | ( self.name == 'indent' || self.useIndentClasses || parseInt( nearestListBlock.getStyle( getIndentCssProperty( nearestListBlock ) ), 10 ) ) &&
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| 332 | indentElement( nearestListBlock, !hasMultipleItems && firstListItem.getDirection() ) ) )
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| 333 | indentList( nearestListBlock );
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| 334 | }
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| 335 | else
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| 336 | indentBlock();
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| 337 | }
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| 338 |
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| 339 | // Clean up the markers.
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| 340 | CKEDITOR.dom.element.clearAllMarkers( database );
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| 341 |
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| 342 | editor.forceNextSelectionCheck();
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| 343 | selection.selectBookmarks( bookmarks );
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| 344 | }
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| 345 | };
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| 346 |
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| 347 | CKEDITOR.plugins.add( 'indent',
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| 348 | {
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| 349 | init : function( editor )
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| 350 | {
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| 351 | // Register commands.
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| 352 | var indent = editor.addCommand( 'indent', new indentCommand( editor, 'indent' ) ),
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| 353 | outdent = editor.addCommand( 'outdent', new indentCommand( editor, 'outdent' ) );
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| 354 |
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| 355 | // Register the toolbar buttons.
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| 356 | editor.ui.addButton( 'Indent',
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| 357 | {
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| 358 | label : editor.lang.indent,
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| 359 | command : 'indent'
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| 360 | });
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| 361 | editor.ui.addButton( 'Outdent',
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| 362 | {
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| 363 | label : editor.lang.outdent,
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| 364 | command : 'outdent'
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| 365 | });
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| 366 |
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| 367 | // Register the state changing handlers.
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| 368 | editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, indent ) );
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| 369 | editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, outdent ) );
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| 370 |
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| 371 | // [IE6/7] Raw lists are using margin instead of padding for visual indentation in wysiwyg mode. (#3893)
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| 372 | if ( CKEDITOR.env.ie6Compat || CKEDITOR.env.ie7Compat )
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| 373 | {
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| 374 | editor.addCss(
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| 375 | "ul,ol" +
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| 376 | "{" +
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| 377 | " margin-left: 0px;" +
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| 378 | " padding-left: 40px;" +
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| 379 | "}" );
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| 380 | }
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| 381 |
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| 382 | // Register dirChanged listener.
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| 383 | editor.on( 'dirChanged', function( e )
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| 384 | {
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| 385 | var range = new CKEDITOR.dom.range( editor.document );
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| 386 | range.setStartBefore( e.data.node );
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| 387 | range.setEndAfter( e.data.node );
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| 388 |
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| 389 | var walker = new CKEDITOR.dom.walker( range ),
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| 390 | node;
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| 391 |
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| 392 | while ( ( node = walker.next() ) )
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| 393 | {
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| 394 | if ( node.type == CKEDITOR.NODE_ELEMENT )
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| 395 | {
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| 396 | // A child with the defined dir is to be ignored.
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| 397 | if ( !node.equals( e.data.node ) && node.getDirection() )
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| 398 | {
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| 399 | range.setStartAfter( node );
|
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| 400 | walker = new CKEDITOR.dom.walker( range );
|
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| 401 | continue;
|
|---|
| 402 | }
|
|---|
| 403 |
|
|---|
| 404 | // Switch alignment classes.
|
|---|
| 405 | var classes = editor.config.indentClasses;
|
|---|
| 406 | if ( classes )
|
|---|
| 407 | {
|
|---|
| 408 | var suffix = ( e.data.dir == 'ltr' ) ? [ '_rtl', '' ] : [ '', '_rtl' ];
|
|---|
| 409 | for ( var i = 0; i < classes.length; i++ )
|
|---|
| 410 | {
|
|---|
| 411 | if ( node.hasClass( classes[ i ] + suffix[ 0 ] ) )
|
|---|
| 412 | {
|
|---|
| 413 | node.removeClass( classes[ i ] + suffix[ 0 ] );
|
|---|
| 414 | node.addClass( classes[ i ] + suffix[ 1 ] );
|
|---|
| 415 | }
|
|---|
| 416 | }
|
|---|
| 417 | }
|
|---|
| 418 |
|
|---|
| 419 | // Switch the margins.
|
|---|
| 420 | var marginLeft = node.getStyle( 'margin-right' ),
|
|---|
| 421 | marginRight = node.getStyle( 'margin-left' );
|
|---|
| 422 |
|
|---|
| 423 | marginLeft ? node.setStyle( 'margin-left', marginLeft ) : node.removeStyle( 'margin-left' );
|
|---|
| 424 | marginRight ? node.setStyle( 'margin-right', marginRight ) : node.removeStyle( 'margin-right' );
|
|---|
| 425 | }
|
|---|
| 426 | }
|
|---|
| 427 | });
|
|---|
| 428 | },
|
|---|
| 429 |
|
|---|
| 430 | requires : [ 'domiterator', 'list' ]
|
|---|
| 431 | } );
|
|---|
| 432 | })();
|
|---|
| 433 |
|
|---|
| 434 | /**
|
|---|
| 435 | * Size of each indentation step
|
|---|
| 436 | * @name CKEDITOR.config.indentOffset
|
|---|
| 437 | * @type Number
|
|---|
| 438 | * @default 40
|
|---|
| 439 | * @example
|
|---|
| 440 | * config.indentOffset = 4;
|
|---|
| 441 | */
|
|---|
| 442 |
|
|---|
| 443 | /**
|
|---|
| 444 | * Unit for the indentation style
|
|---|
| 445 | * @name CKEDITOR.config.indentUnit
|
|---|
| 446 | * @type String
|
|---|
| 447 | * @default 'px'
|
|---|
| 448 | * @example
|
|---|
| 449 | * config.indentUnit = 'em';
|
|---|
| 450 | */
|
|---|
| 451 |
|
|---|
| 452 | /**
|
|---|
| 453 | * List of classes to use for indenting the contents. If it's null, no classes will be used
|
|---|
| 454 | * and instead the {@link #indentUnit} and {@link #indentOffset} properties will be used.
|
|---|
| 455 | * @name CKEDITOR.config.indentClasses
|
|---|
| 456 | * @type Array
|
|---|
| 457 | * @default null
|
|---|
| 458 | * @example
|
|---|
| 459 | * // Use the classes 'Indent1', 'Indent2', 'Indent3'
|
|---|
| 460 | * config.indentClasses = ['Indent1', 'Indent2', 'Indent3'];
|
|---|
| 461 | */
|
|---|
