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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* @file Insert and remove numbered and bulleted lists.
*/
(function()
{
var listNodeNames = { ol : 1, ul : 1 },
emptyTextRegex = /^[\n\r\t ]*$/;
var whitespaces = CKEDITOR.dom.walker.whitespaces(),
bookmarks = CKEDITOR.dom.walker.bookmark(),
nonEmpty = function( node ){ return !( whitespaces( node ) || bookmarks( node ) );},
blockBogus = CKEDITOR.dom.walker.bogus();
function cleanUpDirection( element )
{
var dir, parent, parentDir;
if ( ( dir = element.getDirection() ) )
{
parent = element.getParent();
while ( parent && !( parentDir = parent.getDirection() ) )
parent = parent.getParent();
if ( dir == parentDir )
element.removeAttribute( 'dir' );
}
}
CKEDITOR.plugins.list = {
/*
* Convert a DOM list tree into a data structure that is easier to
* manipulate. This operation should be non-intrusive in the sense that it
* does not change the DOM tree, with the exception that it may add some
* markers to the list item nodes when database is specified.
*/
listToArray : function( listNode, database, baseArray, baseIndentLevel, grandparentNode )
{
if ( !listNodeNames[ listNode.getName() ] )
return [];
if ( !baseIndentLevel )
baseIndentLevel = 0;
if ( !baseArray )
baseArray = [];
// Iterate over all list items to and look for inner lists.
for ( var i = 0, count = listNode.getChildCount() ; i < count ; i++ )
{
var listItem = listNode.getChild( i );
// Fixing malformed nested lists by moving it into a previous list item. (#6236)
if( listItem.type == CKEDITOR.NODE_ELEMENT && listItem.getName() in CKEDITOR.dtd.$list )
CKEDITOR.plugins.list.listToArray( listItem, database, baseArray, baseIndentLevel + 1 );
// It may be a text node or some funny stuff.
if ( listItem.$.nodeName.toLowerCase() != 'li' )
continue;
var itemObj = { 'parent' : listNode, indent : baseIndentLevel, element : listItem, contents : [] };
if ( !grandparentNode )
{
itemObj.grandparent = listNode.getParent();
if ( itemObj.grandparent && itemObj.grandparent.$.nodeName.toLowerCase() == 'li' )
itemObj.grandparent = itemObj.grandparent.getParent();
}
else
itemObj.grandparent = grandparentNode;
if ( database )
CKEDITOR.dom.element.setMarker( database, listItem, 'listarray_index', baseArray.length );
baseArray.push( itemObj );
for ( var j = 0, itemChildCount = listItem.getChildCount(), child; j < itemChildCount ; j++ )
{
child = listItem.getChild( j );
if ( child.type == CKEDITOR.NODE_ELEMENT && listNodeNames[ child.getName() ] )
// Note the recursion here, it pushes inner list items with
// +1 indentation in the correct order.
CKEDITOR.plugins.list.listToArray( child, database, baseArray, baseIndentLevel + 1, itemObj.grandparent );
else
itemObj.contents.push( child );
}
}
return baseArray;
},
// Convert our internal representation of a list back to a DOM forest.
arrayToList : function( listArray, database, baseIndex, paragraphMode, dir )
{
if ( !baseIndex )
baseIndex = 0;
if ( !listArray || listArray.length < baseIndex + 1 )
return null;
var i,
doc = listArray[ baseIndex ].parent.getDocument(),
retval = new CKEDITOR.dom.documentFragment( doc ),
rootNode = null,
currentIndex = baseIndex,
indentLevel = Math.max( listArray[ baseIndex ].indent, 0 ),
currentListItem = null,
orgDir,
block,
paragraphName = ( paragraphMode == CKEDITOR.ENTER_P ? 'p' : 'div' );
while ( 1 )
{
var item = listArray[ currentIndex ];
orgDir = item.element.getDirection( 1 );
if ( item.indent == indentLevel )
{
if ( !rootNode || listArray[ currentIndex ].parent.getName() != rootNode.getName() )
{
rootNode = listArray[ currentIndex ].parent.clone( false, 1 );
dir && rootNode.setAttribute( 'dir', dir );
retval.append( rootNode );
}
currentListItem = rootNode.append( item.element.clone( 0, 1 ) );
if ( orgDir != rootNode.getDirection( 1 ) )
currentListItem.setAttribute( 'dir', orgDir );
for ( i = 0 ; i < item.contents.length ; i++ )
currentListItem.append( item.contents[i].clone( 1, 1 ) );
currentIndex++;
}
else if ( item.indent == Math.max( indentLevel, 0 ) + 1 )
{
// Maintain original direction (#6861).
var currDir = listArray[ currentIndex - 1 ].element.getDirection( 1 ),
listData = CKEDITOR.plugins.list.arrayToList( listArray, null, currentIndex, paragraphMode,
currDir != orgDir ? orgDir: null );
// If the next block is an <li> with another list tree as the first
// child, we'll need to append a filler (<br>/NBSP) or the list item
// wouldn't be editable. (#6724)
if ( !currentListItem.getChildCount() && CKEDITOR.env.ie && !( doc.$.documentMode > 7 ))
currentListItem.append( doc.createText( '\xa0' ) );
currentListItem.append( listData.listNode );
currentIndex = listData.nextIndex;
}
else if ( item.indent == -1 && !baseIndex && item.grandparent )
{
if ( listNodeNames[ item.grandparent.getName() ] )
currentListItem = item.element.clone( false, true );
else
currentListItem = new CKEDITOR.dom.documentFragment( doc );
// Migrate all children to the new container,
// apply the proper text direction.
var dirLoose = item.grandparent.getDirection( 1 ) != orgDir,
needsBlock = currentListItem.type == CKEDITOR.NODE_DOCUMENT_FRAGMENT &&
paragraphMode != CKEDITOR.ENTER_BR,
li = item.element,
className = li.getAttribute( 'class' ),
style = li.getAttribute( 'style' );
var child, count = item.contents.length;
for ( i = 0 ; i < count; i++ )
{
child = item.contents[ i ];
if ( child.type == CKEDITOR.NODE_ELEMENT && child.isBlockBoundary() )
{
// Apply direction on content blocks.
if ( dirLoose && !child.getDirection() )
child.setAttribute( 'dir', orgDir );
// Merge into child styles.
style && child.setAttribute( 'style',
style.replace( /([^;])$/, '$1;') +
( child.getAttribute( 'style' ) || '' ) );
className && child.addClass( className );
}
else if ( dirLoose || needsBlock || style || className )
{
// Establish new block to hold text direction and styles.
if ( !block )
{
block = doc.createElement( paragraphName );
dirLoose && block.setAttribute( 'dir', orgDir );
}
// Copy over styles to new block;
style && block.setAttribute( 'style', style );
className && block.setAttribute( 'class', className );
block.append( child.clone( 1, 1 ) );
}
currentListItem.append( block || child.clone( 1, 1 ) );
}
if ( currentListItem.type == CKEDITOR.NODE_DOCUMENT_FRAGMENT
&& currentIndex != listArray.length - 1 )
{
var last = currentListItem.getLast();
if ( last && last.type == CKEDITOR.NODE_ELEMENT
&& last.getAttribute( 'type' ) == '_moz' )
{
last.remove();
}
if ( !( last = currentListItem.getLast( nonEmpty )
&& last.type == CKEDITOR.NODE_ELEMENT
&& last.getName() in CKEDITOR.dtd.$block ) )
{
currentListItem.append( doc.createElement( 'br' ) );
}
}
var currentListItemName = currentListItem.$.nodeName.toLowerCase();
if ( !CKEDITOR.env.ie && ( currentListItemName == 'div' || currentListItemName == 'p' ) )
currentListItem.appendBogus();
retval.append( currentListItem );
rootNode = null;
currentIndex++;
}
else
return null;
block = null;
if ( listArray.length <= currentIndex || Math.max( listArray[ currentIndex ].indent, 0 ) < indentLevel )
break;
}
if ( database )
{
var currentNode = retval.getFirst(),
listRoot = listArray[ 0 ].parent;
while ( currentNode )
{
if ( currentNode.type == CKEDITOR.NODE_ELEMENT )
{
// Clear marker attributes for the new list tree made of cloned nodes, if any.
CKEDITOR.dom.element.clearMarkers( database, currentNode );
// Clear redundant direction attribute specified on list items.
if ( currentNode.getName() in CKEDITOR.dtd.$listItem )
cleanUpDirection( currentNode );
}
currentNode = currentNode.getNextSourceNode();
}
}
return { listNode : retval, nextIndex : currentIndex };
}
};
function onSelectionChange( evt )
{
if ( evt.editor.readOnly )
return null;
var path = evt.data.path,
blockLimit = path.blockLimit,
elements = path.elements,
element,
i;
// Grouping should only happen under blockLimit.(#3940).
for ( i = 0 ; i < elements.length && ( element = elements[ i ] )
&& !element.equals( blockLimit ); i++ )
{
if ( listNodeNames[ elements[ i ].getName() ] )
return this.setState( this.type == elements[ i ].getName() ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF );
}
return this.setState( CKEDITOR.TRISTATE_OFF );
}
function changeListType( editor, groupObj, database, listsCreated )
{
// This case is easy...
// 1. Convert the whole list into a one-dimensional array.
// 2. Change the list type by modifying the array.
// 3. Recreate the whole list by converting the array to a list.
// 4. Replace the original list with the recreated list.
var listArray = CKEDITOR.plugins.list.listToArray( groupObj.root, database ),
selectedListItems = [];
for ( var i = 0 ; i < groupObj.contents.length ; i++ )
{
var itemNode = groupObj.contents[i];
itemNode = itemNode.getAscendant( 'li', true );
if ( !itemNode || itemNode.getCustomData( 'list_item_processed' ) )
continue;
selectedListItems.push( itemNode );
CKEDITOR.dom.element.setMarker( database, itemNode, 'list_item_processed', true );
}
var root = groupObj.root,
fakeParent = root.getDocument().createElement( this.type );
// Copy all attributes, except from 'start' and 'type'.
root.copyAttributes( fakeParent, { start : 1, type : 1 } );
// The list-style-type property should be ignored.
fakeParent.removeStyle( 'list-style-type' );
for ( i = 0 ; i < selectedListItems.length ; i++ )
{
var listIndex = selectedListItems[i].getCustomData( 'listarray_index' );
listArray[listIndex].parent = fakeParent;
}
var newList = CKEDITOR.plugins.list.arrayToList( listArray, database, null, editor.config.enterMode );
var child, length = newList.listNode.getChildCount();
for ( i = 0 ; i < length && ( child = newList.listNode.getChild( i ) ) ; i++ )
{
if ( child.getName() == this.type )
listsCreated.push( child );
}
newList.listNode.replace( groupObj.root );
}
var headerTagRegex = /^h[1-6]$/;
function createList( editor, groupObj, listsCreated )
{
var contents = groupObj.contents,
doc = groupObj.root.getDocument(),
listContents = [];
// It is possible to have the contents returned by DomRangeIterator to be the same as the root.
// e.g. when we're running into table cells.
// In such a case, enclose the childNodes of contents[0] into a <div>.
if ( contents.length == 1 && contents[0].equals( groupObj.root ) )
{
var divBlock = doc.createElement( 'div' );
contents[0].moveChildren && contents[0].moveChildren( divBlock );
contents[0].append( divBlock );
contents[0] = divBlock;
}
// Calculate the common parent node of all content blocks.
var commonParent = groupObj.contents[0].getParent();
for ( var i = 0 ; i < contents.length ; i++ )
commonParent = commonParent.getCommonAncestor( contents[i].getParent() );
var useComputedState = editor.config.useComputedState,
listDir, explicitDirection;
useComputedState = useComputedState === undefined || useComputedState;
// We want to insert things that are in the same tree level only, so calculate the contents again
// by expanding the selected blocks to the same tree level.
for ( i = 0 ; i < contents.length ; i++ )
{
var contentNode = contents[i],
parentNode;
while ( ( parentNode = contentNode.getParent() ) )
{
if ( parentNode.equals( commonParent ) )
{
listContents.push( contentNode );
// Determine the lists's direction.
if ( !explicitDirection && contentNode.getDirection() )
explicitDirection = 1;
var itemDir = contentNode.getDirection( useComputedState );
if ( listDir !== null )
{
// If at least one LI have a different direction than current listDir, we can't have listDir.
if ( listDir && listDir != itemDir )
listDir = null;
else
listDir = itemDir;
}
break;
}
contentNode = parentNode;
}
}
if ( listContents.length < 1 )
return;
// Insert the list to the DOM tree.
var insertAnchor = listContents[ listContents.length - 1 ].getNext(),
listNode = doc.createElement( this.type );
listsCreated.push( listNode );
var contentBlock, listItem;
while ( listContents.length )
{
contentBlock = listContents.shift();
listItem = doc.createElement( 'li' );
// Preserve preformat block and heading structure when converting to list item. (#5335) (#5271)
if ( contentBlock.is( 'pre' ) || headerTagRegex.test( contentBlock.getName() ) )
contentBlock.appendTo( listItem );
else
{
contentBlock.copyAttributes( listItem );
// Remove direction attribute after it was merged into list root. (#7657)
if ( listDir && contentBlock.getDirection() )
{
listItem.removeStyle( 'direction' );
listItem.removeAttribute( 'dir' );
}
contentBlock.moveChildren( listItem );
contentBlock.remove();
}
listItem.appendTo( listNode );
}
// Apply list root dir only if it has been explicitly declared.
if ( listDir && explicitDirection )
listNode.setAttribute( 'dir', listDir );
if ( insertAnchor )
listNode.insertBefore( insertAnchor );
else
listNode.appendTo( commonParent );
}
function removeList( editor, groupObj, database )
{
// This is very much like the change list type operation.
// Except that we're changing the selected items' indent to -1 in the list array.
var listArray = CKEDITOR.plugins.list.listToArray( groupObj.root, database ),
selectedListItems = [];
for ( var i = 0 ; i < groupObj.contents.length ; i++ )
{
var itemNode = groupObj.contents[i];
itemNode = itemNode.getAscendant( 'li', true );
if ( !itemNode || itemNode.getCustomData( 'list_item_processed' ) )
continue;
selectedListItems.push( itemNode );
CKEDITOR.dom.element.setMarker( database, itemNode, 'list_item_processed', true );
}
var lastListIndex = null;
for ( i = 0 ; i < selectedListItems.length ; i++ )
{
var listIndex = selectedListItems[i].getCustomData( 'listarray_index' );
listArray[listIndex].indent = -1;
lastListIndex = listIndex;
}
// After cutting parts of the list out with indent=-1, we still have to maintain the array list
// model's nextItem.indent <= currentItem.indent + 1 invariant. Otherwise the array model of the
// list cannot be converted back to a real DOM list.
for ( i = lastListIndex + 1 ; i < listArray.length ; i++ )
{
if ( listArray[i].indent > listArray[i-1].indent + 1 )
{
var indentOffset = listArray[i-1].indent + 1 - listArray[i].indent;
var oldIndent = listArray[i].indent;
while ( listArray[i] && listArray[i].indent >= oldIndent )
{
listArray[i].indent += indentOffset;
i++;
}
i--;
}
}
var newList = CKEDITOR.plugins.list.arrayToList( listArray, database, null, editor.config.enterMode,
groupObj.root.getAttribute( 'dir' ) );
// Compensate <br> before/after the list node if the surrounds are non-blocks.(#3836)
var docFragment = newList.listNode, boundaryNode, siblingNode;
function compensateBrs( isStart )
{
if ( ( boundaryNode = docFragment[ isStart ? 'getFirst' : 'getLast' ]() )
&& !( boundaryNode.is && boundaryNode.isBlockBoundary() )
&& ( siblingNode = groupObj.root[ isStart ? 'getPrevious' : 'getNext' ]
( CKEDITOR.dom.walker.whitespaces( true ) ) )
&& !( siblingNode.is && siblingNode.isBlockBoundary( { br : 1 } ) ) )
editor.document.createElement( 'br' )[ isStart ? 'insertBefore' : 'insertAfter' ]( boundaryNode );
}
compensateBrs( true );
compensateBrs();
docFragment.replace( groupObj.root );
}
function listCommand( name, type )
{
this.name = name;
this.type = type;
}
var elementType = CKEDITOR.dom.walker.nodeType( CKEDITOR.NODE_ELEMENT );
// Merge list items with direction preserved. (#7448)
function mergeListItems( from, into, refNode, toHead )
{
var child, itemDir;
while ( ( child = from.getFirst( elementType ) ) )
{
if ( ( itemDir = child.getDirection( 1 ) ) !== into.getDirection( 1 ) )
child.setAttribute( 'dir', itemDir );
child.remove();
refNode ?
child[ toHead ? 'insertBefore' : 'insertAfter' ]( refNode ) :
into.append( child, toHead );
}
}
listCommand.prototype = {
exec : function( editor )
{
var doc = editor.document,
config = editor.config,
selection = editor.getSelection(),
ranges = selection && selection.getRanges( true );
// There should be at least one selected range.
if ( !ranges || ranges.length < 1 )
return;
// Midas lists rule #1 says we can create a list even in an empty document.
// But DOM iterator wouldn't run if the document is really empty.
// So create a paragraph if the document is empty and we're going to create a list.
if ( this.state == CKEDITOR.TRISTATE_OFF )
{
var body = doc.getBody();
if ( !body.getFirst( nonEmpty ) )
{
config.enterMode == CKEDITOR.ENTER_BR ?
body.appendBogus() :
ranges[ 0 ].fixBlock( 1, config.enterMode == CKEDITOR.ENTER_P ? 'p' : 'div' );
selection.selectRanges( ranges );
}
// Maybe a single range there enclosing the whole list,
// turn on the list state manually(#4129).
else
{
var range = ranges.length == 1 && ranges[ 0 ],
enclosedNode = range && range.getEnclosedNode();
if ( enclosedNode && enclosedNode.is
&& this.type == enclosedNode.getName() )
this.setState( CKEDITOR.TRISTATE_ON );
}
}
var bookmarks = selection.createBookmarks( true );
// Group the blocks up because there are many cases where multiple lists have to be created,
// or multiple lists have to be cancelled.
var listGroups = [],
database = {},
rangeIterator = ranges.createIterator(),
index = 0;
while ( ( range = rangeIterator.getNextRange() ) && ++index )
{
var boundaryNodes = range.getBoundaryNodes(),
startNode = boundaryNodes.startNode,
endNode = boundaryNodes.endNode;
if ( startNode.type == CKEDITOR.NODE_ELEMENT && startNode.getName() == 'td' )
range.setStartAt( boundaryNodes.startNode, CKEDITOR.POSITION_AFTER_START );
if ( endNode.type == CKEDITOR.NODE_ELEMENT && endNode.getName() == 'td' )
range.setEndAt( boundaryNodes.endNode, CKEDITOR.POSITION_BEFORE_END );
var iterator = range.createIterator(),
block;
iterator.forceBrBreak = ( this.state == CKEDITOR.TRISTATE_OFF );
while ( ( block = iterator.getNextParagraph() ) )
{
// Avoid duplicate blocks get processed across ranges.
if( block.getCustomData( 'list_block' ) )
continue;
else
CKEDITOR.dom.element.setMarker( database, block, 'list_block', 1 );
var path = new CKEDITOR.dom.elementPath( block ),
pathElements = path.elements,
pathElementsCount = pathElements.length,
listNode = null,
processedFlag = 0,
blockLimit = path.blockLimit,
element;
// First, try to group by a list ancestor.
for ( var i = pathElementsCount - 1; i >= 0 && ( element = pathElements[ i ] ); i-- )
{
if ( listNodeNames[ element.getName() ]
&& blockLimit.contains( element ) ) // Don't leak outside block limit (#3940).
{
// If we've encountered a list inside a block limit
// The last group object of the block limit element should
// no longer be valid. Since paragraphs after the list
// should belong to a different group of paragraphs before
// the list. (Bug #1309)
blockLimit.removeCustomData( 'list_group_object_' + index );
var groupObj = element.getCustomData( 'list_group_object' );
if ( groupObj )
groupObj.contents.push( block );
else
{
groupObj = { root : element, contents : [ block ] };
listGroups.push( groupObj );
CKEDITOR.dom.element.setMarker( database, element, 'list_group_object', groupObj );
}
processedFlag = 1;
break;
}
}
if ( processedFlag )
continue;
// No list ancestor? Group by block limit, but don't mix contents from different ranges.
var root = blockLimit;
if ( root.getCustomData( 'list_group_object_' + index ) )
root.getCustomData( 'list_group_object_' + index ).contents.push( block );
else
{
groupObj = { root : root, contents : [ block ] };
CKEDITOR.dom.element.setMarker( database, root, 'list_group_object_' + index, groupObj );
listGroups.push( groupObj );
}
}
}
// Now we have two kinds of list groups, groups rooted at a list, and groups rooted at a block limit element.
// We either have to build lists or remove lists, for removing a list does not makes sense when we are looking
// at the group that's not rooted at lists. So we have three cases to handle.
var listsCreated = [];
while ( listGroups.length > 0 )
{
groupObj = listGroups.shift();
if ( this.state == CKEDITOR.TRISTATE_OFF )
{
if ( listNodeNames[ groupObj.root.getName() ] )
changeListType.call( this, editor, groupObj, database, listsCreated );
else
createList.call( this, editor, groupObj, listsCreated );
}
else if ( this.state == CKEDITOR.TRISTATE_ON && listNodeNames[ groupObj.root.getName() ] )
removeList.call( this, editor, groupObj, database );
}
// For all new lists created, merge into adjacent, same type lists.
for ( i = 0 ; i < listsCreated.length ; i++ )
{
listNode = listsCreated[i];
var mergeSibling, listCommand = this;
( mergeSibling = function( rtl )
{
var sibling = listNode[ rtl ?
'getPrevious' : 'getNext' ]( CKEDITOR.dom.walker.whitespaces( true ) );
if ( sibling && sibling.getName &&
sibling.getName() == listCommand.type )
{
// Move children order by merge direction.(#3820)
mergeListItems( listNode, sibling, null, !rtl );
listNode.remove();
listNode = sibling;
}
} )();
mergeSibling( 1 );
}
// Clean up, restore selection and update toolbar button states.
CKEDITOR.dom.element.clearAllMarkers( database );
selection.selectBookmarks( bookmarks );
editor.focus();
}
};
var dtd = CKEDITOR.dtd;
var tailNbspRegex = /[\t\r\n ]*(?: |\xa0)$/;
function indexOfFirstChildElement( element, tagNameList )
{
var child,
children = element.children,
length = children.length;
for ( var i = 0 ; i < length ; i++ )
{
child = children[ i ];
if ( child.name && ( child.name in tagNameList ) )
return i;
}
return length;
}
function getExtendNestedListFilter( isHtmlFilter )
{
// An element filter function that corrects nested list start in an empty
// list item for better displaying/outputting. (#3165)
return function( listItem )
{
var children = listItem.children,
firstNestedListIndex = indexOfFirstChildElement( listItem, dtd.$list ),
firstNestedList = children[ firstNestedListIndex ],
nodeBefore = firstNestedList && firstNestedList.previous,
tailNbspmatch;
if ( nodeBefore
&& ( nodeBefore.name && nodeBefore.name == 'br'
|| nodeBefore.value && ( tailNbspmatch = nodeBefore.value.match( tailNbspRegex ) ) ) )
{
var fillerNode = nodeBefore;
// Always use 'nbsp' as filler node if we found a nested list appear
// in front of a list item.
if ( !( tailNbspmatch && tailNbspmatch.index ) && fillerNode == children[ 0 ] )
children[ 0 ] = ( isHtmlFilter || CKEDITOR.env.ie ) ?
new CKEDITOR.htmlParser.text( '\xa0' ) :
new CKEDITOR.htmlParser.element( 'br', {} );
// Otherwise the filler is not needed anymore.
else if ( fillerNode.name == 'br' )
children.splice( firstNestedListIndex - 1, 1 );
else
fillerNode.value = fillerNode.value.replace( tailNbspRegex, '' );
}
};
}
var defaultListDataFilterRules = { elements : {} };
for ( var i in dtd.$listItem )
defaultListDataFilterRules.elements[ i ] = getExtendNestedListFilter();
var defaultListHtmlFilterRules = { elements : {} };
for ( i in dtd.$listItem )
defaultListHtmlFilterRules.elements[ i ] = getExtendNestedListFilter( true );
// Check if node is block element that recieves text.
function isTextBlock( node )
{
return node.type == CKEDITOR.NODE_ELEMENT &&
( node.getName() in CKEDITOR.dtd.$block ||
node.getName() in CKEDITOR.dtd.$listItem ) &&
CKEDITOR.dtd[ node.getName() ][ '#' ];
}
// Merge the visual line content at the cursor range into the block.
function joinNextLineToCursor( editor, cursor, nextCursor )
{
editor.fire( 'saveSnapshot' );
// Merge with previous block's content.
nextCursor.enlarge( CKEDITOR.ENLARGE_LIST_ITEM_CONTENTS );
var frag = nextCursor.extractContents();
cursor.trim( false, true );
// Kill original bogus;
var currentPath = new CKEDITOR.dom.elementPath( cursor.startContainer );
var currentLi = currentPath.lastElement.getAscendant( 'li', 1 );
var bogus = currentPath.block.getBogus();
bogus && bogus.remove();
// Kill the tail br in extracted.
var last = frag.getLast();
if ( last && last.type == CKEDITOR.NODE_ELEMENT && last.is( 'br' ) )
last.remove();
// Insert fragment at the range position.
var nextNode = cursor.startContainer.getChild( cursor.startOffset );
if ( nextNode )
frag.insertBefore( nextNode );
else
cursor.startContainer.append( frag );
var nextPath = new CKEDITOR.dom.elementPath( nextCursor.startContainer );
var nextLi = nextCursor.startContainer.getAscendant( 'li', 1 );
// Move the sub list nested in the next list item.
if ( nextLi )
{
var sublist = getSubList( nextLi );
if ( sublist )
{
// If next line is in the sub list of the current list item.
if ( currentLi.contains( nextLi ) )
{
mergeListItems( sublist, nextLi.getParent(), nextLi );
sublist.remove();
}
// Migrate the sub list to current list item.
else
currentLi.append( sublist );
}
}
if ( nextCursor.checkStartOfBlock() &&
nextCursor.checkEndOfBlock() )
{
var nextBlock = nextPath.block,
parentBlock = nextBlock.getParent();
nextBlock.remove();
// Remove if the path block container is now empty, e.g. li.
if ( parentBlock &&
!parentBlock.getFirst( nonEmpty ) &&
!parentBlock.equals( nextPath.blockLimit ) )
{
parentBlock.remove();
}
}
// Make fresh selection.
cursor.select();
editor.fire( 'saveSnapshot' );
}
function getSubList( li )
{
var last = li.getLast( nonEmpty );
return last && last.type == CKEDITOR.NODE_ELEMENT && last.getName() in listNodeNames ? last : null;
}
CKEDITOR.plugins.add( 'list',
{
init : function( editor )
{
// Register commands.
var numberedListCommand = editor.addCommand( 'numberedlist', new listCommand( 'numberedlist', 'ol' ) ),
bulletedListCommand = editor.addCommand( 'bulletedlist', new listCommand( 'bulletedlist', 'ul' ) );
// Register the toolbar button.
editor.ui.addButton( 'NumberedList',
{
label : editor.lang.numberedlist,
command : 'numberedlist'
} );
editor.ui.addButton( 'BulletedList',
{
label : editor.lang.bulletedlist,
command : 'bulletedlist'
} );
// Register the state changing handlers.
editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, numberedListCommand ) );
editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, bulletedListCommand ) );
// [IE8] Fix "backspace" after list and "del" at the end of list item. (#8248)
if ( CKEDITOR.env.ie8Compat )
{
editor.on( 'key', function( evt )
{
var key = evt.data.keyCode;
// DEl/BACKSPACE
if ( editor.mode == 'wysiwyg' && key in { 8 : 1, 46 : 1 } )
{
var sel = editor.getSelection(),
range = sel.getRanges()[ 0 ];
if ( !range.collapsed )
return;
var isBackspace = key == 8;
var body = editor.document.getBody();
var walker = new CKEDITOR.dom.walker( range.clone() );
walker.evaluator = function( node ) { return nonEmpty( node ) && !blockBogus( node ); };
var cursor = range.clone();
if ( isBackspace )
{
walker.range.setStartAt( body, CKEDITOR.POSITION_AFTER_START );
walker.range.setEnd( range.startContainer, range.startOffset );
var previous = walker.previous();
// Check if cursor collapsed right behind of a list.
if ( previous &&
previous.type == CKEDITOR.NODE_ELEMENT &&
previous.getName() in listNodeNames )
{
walker.range.selectNodeContents( previous );
walker.reset();
walker.evaluator = isTextBlock;
// Place cursor at the end of previous block.
cursor.moveToElementEditEnd( walker.lastForward() );
joinNextLineToCursor( editor, cursor, range );
evt.cancel();
}
}
else
{
var li = range.startContainer.getAscendant( 'li', 1 );
if ( li )
{
walker.range.setEndAt( body, CKEDITOR.POSITION_BEFORE_END );
var last = li.getLast( nonEmpty );
var block = last && isTextBlock( last ) ? last : li;
// Indicate cursor at the visual end of an list item.
var isAtEnd = 0;
var next = walker.next();
// When list item contains a sub list.
if ( next && next.type == CKEDITOR.NODE_ELEMENT &&
next.getName() in listNodeNames
&& next.equals( last ) )
{
isAtEnd = 1;
// Move to the first item in sub list.
next = walker.next();
}
// Right at the end of list item.
else if ( range.checkBoundaryOfElement( block, CKEDITOR.END ) )
isAtEnd = 1;
if ( isAtEnd && next )
{
// Put cursor range there.
var nextLine = range.clone();
nextLine.moveToElementEditStart( next );
joinNextLineToCursor( editor, cursor, nextLine );
evt.cancel();
}
}
}
}
} );
}
},
afterInit : function ( editor )
{
var dataProcessor = editor.dataProcessor;
if ( dataProcessor )
{
dataProcessor.dataFilter.addRules( defaultListDataFilterRules );
dataProcessor.htmlFilter.addRules( defaultListHtmlFilterRules );
}
},
requires : [ 'domiterator' ]
} );
})();
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