299 lines
10 KiB
JavaScript
299 lines
10 KiB
JavaScript
/**
|
|
* @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
|
|
* For licensing, see LICENSE.md or http://ckeditor.com/license
|
|
*/
|
|
|
|
/**
|
|
* @fileOverview Handles the indentation of lists.
|
|
*/
|
|
|
|
( function() {
|
|
'use strict';
|
|
|
|
var isNotWhitespaces = CKEDITOR.dom.walker.whitespaces( true ),
|
|
isNotBookmark = CKEDITOR.dom.walker.bookmark( false, true ),
|
|
TRISTATE_DISABLED = CKEDITOR.TRISTATE_DISABLED,
|
|
TRISTATE_OFF = CKEDITOR.TRISTATE_OFF;
|
|
|
|
CKEDITOR.plugins.add( 'indentlist', {
|
|
requires: 'indent',
|
|
init: function( editor ) {
|
|
var globalHelpers = CKEDITOR.plugins.indent,
|
|
editable = editor;
|
|
|
|
// Register commands.
|
|
globalHelpers.registerCommands( editor, {
|
|
indentlist: new commandDefinition( editor, 'indentlist', true ),
|
|
outdentlist: new commandDefinition( editor, 'outdentlist' )
|
|
} );
|
|
|
|
function commandDefinition( editor, name ) {
|
|
globalHelpers.specificDefinition.apply( this, arguments );
|
|
|
|
// Require ul OR ol list.
|
|
this.requiredContent = [ 'ul', 'ol' ];
|
|
|
|
// Indent and outdent lists with TAB/SHIFT+TAB key. Indenting can
|
|
// be done for any list item that isn't the first child of the parent.
|
|
editor.on( 'key', function( evt ) {
|
|
if ( editor.mode != 'wysiwyg' )
|
|
return;
|
|
|
|
if ( evt.data.keyCode == this.indentKey ) {
|
|
var list = this.getContext( editor.elementPath() );
|
|
|
|
if ( list ) {
|
|
// Don't indent if in first list item of the parent.
|
|
// Outdent, however, can always be done to collapse
|
|
// the list into a paragraph (div).
|
|
if ( this.isIndent && firstItemInPath.call( this, editor.elementPath(), list ) )
|
|
return;
|
|
|
|
// Exec related global indentation command. Global
|
|
// commands take care of bookmarks and selection,
|
|
// so it's much easier to use them instead of
|
|
// content-specific commands.
|
|
editor.execCommand( this.relatedGlobal );
|
|
|
|
// Cancel the key event so editor doesn't lose focus.
|
|
evt.cancel();
|
|
}
|
|
}
|
|
}, this );
|
|
|
|
// There are two different jobs for this plugin:
|
|
//
|
|
// * Indent job (priority=10), before indentblock.
|
|
//
|
|
// This job is before indentblock because, if this plugin is
|
|
// loaded it has higher priority over indentblock. It means that,
|
|
// if possible, nesting is performed, and then block manipulation,
|
|
// if necessary.
|
|
//
|
|
// * Outdent job (priority=30), after outdentblock.
|
|
//
|
|
// This job got to be after outdentblock because in some cases
|
|
// (margin, config#indentClass on list) outdent must be done on
|
|
// block-level.
|
|
|
|
this.jobs[ this.isIndent ? 10 : 30 ] = {
|
|
refresh: this.isIndent ?
|
|
function( editor, path ) {
|
|
var list = this.getContext( path ),
|
|
inFirstListItem = firstItemInPath.call( this, path, list );
|
|
|
|
if ( !list || !this.isIndent || inFirstListItem )
|
|
return TRISTATE_DISABLED;
|
|
|
|
return TRISTATE_OFF;
|
|
}
|
|
:
|
|
function( editor, path ) {
|
|
var list = this.getContext( path );
|
|
|
|
if ( !list || this.isIndent )
|
|
return TRISTATE_DISABLED;
|
|
|
|
return TRISTATE_OFF;
|
|
},
|
|
|
|
exec: CKEDITOR.tools.bind( indentList, this )
|
|
};
|
|
}
|
|
|
|
CKEDITOR.tools.extend( commandDefinition.prototype, globalHelpers.specificDefinition.prototype, {
|
|
// Elements that, if in an elementpath, will be handled by this
|
|
// command. They restrict the scope of the plugin.
|
|
context: { ol: 1, ul: 1 }
|
|
} );
|
|
}
|
|
} );
|
|
|
|
function indentList( editor ) {
|
|
var that = this,
|
|
database = this.database,
|
|
context = this.context;
|
|
|
|
function indent( listNode ) {
|
|
// Our starting and ending points of the range might be inside some blocks under a list item...
|
|
// So before playing with the iterator, we need to expand the block to include the list items.
|
|
var startContainer = range.startContainer,
|
|
endContainer = range.endContainer;
|
|
while ( startContainer && !startContainer.getParent().equals( listNode ) )
|
|
startContainer = startContainer.getParent();
|
|
while ( endContainer && !endContainer.getParent().equals( listNode ) )
|
|
endContainer = endContainer.getParent();
|
|
|
|
if ( !startContainer || !endContainer )
|
|
return false;
|
|
|
|
// Now we can iterate over the individual items on the same tree depth.
|
|
var block = startContainer,
|
|
itemsToMove = [],
|
|
stopFlag = false;
|
|
|
|
while ( !stopFlag ) {
|
|
if ( block.equals( endContainer ) )
|
|
stopFlag = true;
|
|
|
|
itemsToMove.push( block );
|
|
block = block.getNext();
|
|
}
|
|
|
|
if ( itemsToMove.length < 1 )
|
|
return false;
|
|
|
|
// Do indent or outdent operations on the array model of the list, not the
|
|
// list's DOM tree itself. The array model demands that it knows as much as
|
|
// possible about the surrounding lists, we need to feed it the further
|
|
// ancestor node that is still a list.
|
|
var listParents = listNode.getParents( true );
|
|
for ( var i = 0; i < listParents.length; i++ ) {
|
|
if ( listParents[ i ].getName && context[ listParents[ i ].getName() ] ) {
|
|
listNode = listParents[ i ];
|
|
break;
|
|
}
|
|
}
|
|
|
|
var indentOffset = that.isIndent ? 1 : -1,
|
|
startItem = itemsToMove[ 0 ],
|
|
lastItem = itemsToMove[ itemsToMove.length - 1 ],
|
|
|
|
// Convert the list DOM tree into a one dimensional array.
|
|
listArray = CKEDITOR.plugins.list.listToArray( listNode, database ),
|
|
|
|
// Apply indenting or outdenting on the array.
|
|
baseIndent = listArray[ lastItem.getCustomData( 'listarray_index' ) ].indent;
|
|
|
|
for ( i = startItem.getCustomData( 'listarray_index' ); i <= lastItem.getCustomData( 'listarray_index' ); i++ ) {
|
|
listArray[ i ].indent += indentOffset;
|
|
// Make sure the newly created sublist get a brand-new element of the same type. (#5372)
|
|
if ( indentOffset > 0 ) {
|
|
var listRoot = listArray[ i ].parent;
|
|
listArray[ i ].parent = new CKEDITOR.dom.element( listRoot.getName(), listRoot.getDocument() );
|
|
}
|
|
}
|
|
|
|
for ( i = lastItem.getCustomData( 'listarray_index' ) + 1; i < listArray.length && listArray[ i ].indent > baseIndent; i++ )
|
|
listArray[ i ].indent += indentOffset;
|
|
|
|
// Convert the array back to a DOM forest (yes we might have a few subtrees now).
|
|
// And replace the old list with the new forest.
|
|
var newList = CKEDITOR.plugins.list.arrayToList( listArray, database, null, editor.config.enterMode, listNode.getDirection() );
|
|
|
|
// Avoid nested <li> after outdent even they're visually same,
|
|
// recording them for later refactoring.(#3982)
|
|
if ( !that.isIndent ) {
|
|
var parentLiElement;
|
|
if ( ( parentLiElement = listNode.getParent() ) && parentLiElement.is( 'li' ) ) {
|
|
var children = newList.listNode.getChildren(),
|
|
pendingLis = [],
|
|
count = children.count(),
|
|
child;
|
|
|
|
for ( i = count - 1; i >= 0; i-- ) {
|
|
if ( ( child = children.getItem( i ) ) && child.is && child.is( 'li' ) )
|
|
pendingLis.push( child );
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( newList )
|
|
newList.listNode.replace( listNode );
|
|
|
|
// Move the nested <li> to be appeared after the parent.
|
|
if ( pendingLis && pendingLis.length ) {
|
|
for ( i = 0; i < pendingLis.length; i++ ) {
|
|
var li = pendingLis[ i ],
|
|
followingList = li;
|
|
|
|
// Nest preceding <ul>/<ol> inside current <li> if any.
|
|
while ( ( followingList = followingList.getNext() ) && followingList.is && followingList.getName() in context ) {
|
|
// IE requires a filler NBSP for nested list inside empty list item,
|
|
// otherwise the list item will be inaccessiable. (#4476)
|
|
if ( CKEDITOR.env.needsNbspFiller && !li.getFirst( neitherWhitespacesNorBookmark ) )
|
|
li.append( range.document.createText( '\u00a0' ) );
|
|
|
|
li.append( followingList );
|
|
}
|
|
|
|
li.insertAfter( parentLiElement );
|
|
}
|
|
}
|
|
|
|
if ( newList )
|
|
editor.fire( 'contentDomInvalidated' );
|
|
|
|
return true;
|
|
}
|
|
|
|
var selection = editor.getSelection(),
|
|
ranges = selection && selection.getRanges(),
|
|
iterator = ranges.createIterator(),
|
|
range;
|
|
|
|
while ( ( range = iterator.getNextRange() ) ) {
|
|
var rangeRoot = range.getCommonAncestor(),
|
|
nearestListBlock = rangeRoot;
|
|
|
|
while ( nearestListBlock && !( nearestListBlock.type == CKEDITOR.NODE_ELEMENT && context[ nearestListBlock.getName() ] ) )
|
|
nearestListBlock = nearestListBlock.getParent();
|
|
|
|
// Avoid having selection boundaries out of the list.
|
|
// <ul><li>[...</li></ul><p>...]</p> => <ul><li>[...]</li></ul><p>...</p>
|
|
if ( !nearestListBlock ) {
|
|
if ( ( nearestListBlock = range.startPath().contains( context ) ) )
|
|
range.setEndAt( nearestListBlock, CKEDITOR.POSITION_BEFORE_END );
|
|
}
|
|
|
|
// Avoid having selection enclose the entire list. (#6138)
|
|
// [<ul><li>...</li></ul>] =><ul><li>[...]</li></ul>
|
|
if ( !nearestListBlock ) {
|
|
var selectedNode = range.getEnclosedNode();
|
|
if ( selectedNode && selectedNode.type == CKEDITOR.NODE_ELEMENT && selectedNode.getName() in context ) {
|
|
range.setStartAt( selectedNode, CKEDITOR.POSITION_AFTER_START );
|
|
range.setEndAt( selectedNode, CKEDITOR.POSITION_BEFORE_END );
|
|
nearestListBlock = selectedNode;
|
|
}
|
|
}
|
|
|
|
// Avoid selection anchors under list root.
|
|
// <ul>[<li>...</li>]</ul> => <ul><li>[...]</li></ul>
|
|
if ( nearestListBlock && range.startContainer.type == CKEDITOR.NODE_ELEMENT && range.startContainer.getName() in context ) {
|
|
var walker = new CKEDITOR.dom.walker( range );
|
|
walker.evaluator = listItem;
|
|
range.startContainer = walker.next();
|
|
}
|
|
|
|
if ( nearestListBlock && range.endContainer.type == CKEDITOR.NODE_ELEMENT && range.endContainer.getName() in context ) {
|
|
walker = new CKEDITOR.dom.walker( range );
|
|
walker.evaluator = listItem;
|
|
range.endContainer = walker.previous();
|
|
}
|
|
|
|
if ( nearestListBlock )
|
|
return indent( nearestListBlock );
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
// Check whether a first child of a list is in the path.
|
|
// The list can be extracted from path or given explicitly
|
|
// e.g. for better performance if cached.
|
|
function firstItemInPath( path, list ) {
|
|
if ( !list )
|
|
list = path.contains( this.context );
|
|
|
|
return list && path.block && path.block.equals( list.getFirst( listItem ) );
|
|
}
|
|
|
|
// Determines whether a node is a list <li> element.
|
|
function listItem( node ) {
|
|
return node.type == CKEDITOR.NODE_ELEMENT && node.is( 'li' );
|
|
}
|
|
|
|
function neitherWhitespacesNorBookmark( node ) {
|
|
return isNotWhitespaces( node ) && isNotBookmark( node );
|
|
}
|
|
} )();
|