530 lines
18 KiB
JavaScript
530 lines
18 KiB
JavaScript
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/**
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* @license Copyright (c) 2003-2014, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or http://ckeditor.com/license
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*/
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( function() {
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CKEDITOR.plugins.add( 'enterkey', {
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init: function( editor ) {
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editor.addCommand( 'enter', {
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modes: { wysiwyg: 1 },
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editorFocus: false,
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exec: function( editor ) {
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enter( editor );
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}
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} );
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editor.addCommand( 'shiftEnter', {
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modes: { wysiwyg: 1 },
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editorFocus: false,
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exec: function( editor ) {
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shiftEnter( editor );
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}
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} );
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editor.setKeystroke( [
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[ 13, 'enter' ],
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[ CKEDITOR.SHIFT + 13, 'shiftEnter' ]
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] );
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}
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} );
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var whitespaces = CKEDITOR.dom.walker.whitespaces(),
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bookmark = CKEDITOR.dom.walker.bookmark();
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CKEDITOR.plugins.enterkey = {
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enterBlock: function( editor, mode, range, forceMode ) {
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// Get the range for the current selection.
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range = range || getRange( editor );
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// We may not have valid ranges to work on, like when inside a
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// contenteditable=false element.
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if ( !range )
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return;
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var doc = range.document;
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var atBlockStart = range.checkStartOfBlock(),
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atBlockEnd = range.checkEndOfBlock(),
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path = editor.elementPath( range.startContainer ),
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block = path.block,
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// Determine the block element to be used.
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blockTag = ( mode == CKEDITOR.ENTER_DIV ? 'div' : 'p' ),
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newBlock;
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// Exit the list when we're inside an empty list item block. (#5376)
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if ( atBlockStart && atBlockEnd ) {
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// Exit the list when we're inside an empty list item block. (#5376)
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if ( block && ( block.is( 'li' ) || block.getParent().is( 'li' ) ) ) {
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var blockParent = block.getParent(),
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blockGrandParent = blockParent.getParent(),
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firstChild = !block.hasPrevious(),
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lastChild = !block.hasNext(),
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selection = editor.getSelection(),
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bookmarks = selection.createBookmarks(),
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orgDir = block.getDirection( 1 ),
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className = block.getAttribute( 'class' ),
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style = block.getAttribute( 'style' ),
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dirLoose = blockGrandParent.getDirection( 1 ) != orgDir,
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enterMode = editor.enterMode,
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needsBlock = enterMode != CKEDITOR.ENTER_BR || dirLoose || style || className,
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child;
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if ( blockGrandParent.is( 'li' ) ) {
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// If block is the first or the last child of the parent
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// list, degrade it and move to the outer list:
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// before the parent list if block is first child and after
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// the parent list if block is the last child, respectively.
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//
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// <ul> => <ul>
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// <li> => <li>
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// <ul> => <ul>
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// <li>x</li> => <li>x</li>
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// <li>^</li> => </ul>
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// </ul> => </li>
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// </li> => <li>^</li>
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// </ul> => </ul>
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//
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// AND
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//
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// <ul> => <ul>
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// <li> => <li>^</li>
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// <ul> => <li>
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// <li>^</li> => <ul>
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// <li>x</li> => <li>x</li>
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// </ul> => </ul>
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// </li> => </li>
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// </ul> => </ul>
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if ( firstChild || lastChild )
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block[ firstChild ? 'insertBefore' : 'insertAfter' ]( blockGrandParent );
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// If the empty block is neither first nor last child
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// then split the list and the block as an element
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// of outer list.
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//
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// => <ul>
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// => <li>
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// <ul> => <ul>
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// <li> => <li>x</li>
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// <ul> => </ul>
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// <li>x</li> => </li>
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// <li>^</li> => <li>^</li>
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// <li>y</li> => <li>
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// </ul> => <ul>
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// </li> => <li>y</li>
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// </ul> => </ul>
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// => </li>
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// => </ul>
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else
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block.breakParent( blockGrandParent );
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}
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else if ( !needsBlock ) {
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block.appendBogus( true );
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// If block is the first or last child of the parent
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// list, move all block's children out of the list:
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// before the list if block is first child and after the list
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// if block is the last child, respectively.
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//
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// <ul> => <ul>
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// <li>x</li> => <li>x</li>
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// <li>^</li> => </ul>
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// </ul> => ^
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//
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// AND
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//
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// <ul> => ^
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// <li>^</li> => <ul>
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// <li>x</li> => <li>x</li>
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// </ul> => </ul>
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if ( firstChild || lastChild ) {
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while ( ( child = block[ firstChild ? 'getFirst' : 'getLast' ]() ) )
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child[ firstChild ? 'insertBefore' : 'insertAfter' ]( blockParent );
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}
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// If the empty block is neither first nor last child
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// then split the list and put all the block contents
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// between two lists.
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//
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// <ul> => <ul>
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// <li>x</li> => <li>x</li>
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// <li>^</li> => </ul>
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// <li>y</li> => ^
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// </ul> => <ul>
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// => <li>y</li>
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// => </ul>
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else {
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block.breakParent( blockParent );
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while ( ( child = block.getLast() ) )
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child.insertAfter( blockParent );
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}
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block.remove();
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} else {
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// Use <div> block for ENTER_BR and ENTER_DIV.
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newBlock = doc.createElement( mode == CKEDITOR.ENTER_P ? 'p' : 'div' );
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if ( dirLoose )
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newBlock.setAttribute( 'dir', orgDir );
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style && newBlock.setAttribute( 'style', style );
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className && newBlock.setAttribute( 'class', className );
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// Move all the child nodes to the new block.
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block.moveChildren( newBlock );
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// If block is the first or last child of the parent
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// list, move it out of the list:
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// before the list if block is first child and after the list
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// if block is the last child, respectively.
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//
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// <ul> => <ul>
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// <li>x</li> => <li>x</li>
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// <li>^</li> => </ul>
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// </ul> => <p>^</p>
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//
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// AND
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//
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// <ul> => <p>^</p>
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// <li>^</li> => <ul>
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// <li>x</li> => <li>x</li>
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// </ul> => </ul>
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if ( firstChild || lastChild )
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newBlock[ firstChild ? 'insertBefore' : 'insertAfter' ]( blockParent );
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// If the empty block is neither first nor last child
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// then split the list and put the new block between
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// two lists.
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//
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// => <ul>
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// <ul> => <li>x</li>
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// <li>x</li> => </ul>
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// <li>^</li> => <p>^</p>
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// <li>y</li> => <ul>
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// </ul> => <li>y</li>
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// => </ul>
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else {
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block.breakParent( blockParent );
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newBlock.insertAfter( blockParent );
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}
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block.remove();
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}
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selection.selectBookmarks( bookmarks );
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return;
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}
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if ( block && block.getParent().is( 'blockquote' ) ) {
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block.breakParent( block.getParent() );
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// If we were at the start of <blockquote>, there will be an empty element before it now.
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if ( !block.getPrevious().getFirst( CKEDITOR.dom.walker.invisible( 1 ) ) )
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block.getPrevious().remove();
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// If we were at the end of <blockquote>, there will be an empty element after it now.
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if ( !block.getNext().getFirst( CKEDITOR.dom.walker.invisible( 1 ) ) )
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block.getNext().remove();
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range.moveToElementEditStart( block );
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range.select();
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return;
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}
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}
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// Don't split <pre> if we're in the middle of it, act as shift enter key.
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else if ( block && block.is( 'pre' ) ) {
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if ( !atBlockEnd ) {
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enterBr( editor, mode, range, forceMode );
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return;
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}
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}
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// Split the range.
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var splitInfo = range.splitBlock( blockTag );
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if ( !splitInfo )
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return;
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// Get the current blocks.
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var previousBlock = splitInfo.previousBlock,
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nextBlock = splitInfo.nextBlock;
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var isStartOfBlock = splitInfo.wasStartOfBlock,
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isEndOfBlock = splitInfo.wasEndOfBlock;
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var node;
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// If this is a block under a list item, split it as well. (#1647)
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if ( nextBlock ) {
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node = nextBlock.getParent();
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if ( node.is( 'li' ) ) {
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nextBlock.breakParent( node );
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nextBlock.move( nextBlock.getNext(), 1 );
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}
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} else if ( previousBlock && ( node = previousBlock.getParent() ) && node.is( 'li' ) ) {
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previousBlock.breakParent( node );
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node = previousBlock.getNext();
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range.moveToElementEditStart( node );
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previousBlock.move( previousBlock.getPrevious() );
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}
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// If we have both the previous and next blocks, it means that the
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// boundaries were on separated blocks, or none of them where on the
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// block limits (start/end).
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if ( !isStartOfBlock && !isEndOfBlock ) {
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// If the next block is an <li> with another list tree as the first
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// child, we'll need to append a filler (<br>/NBSP) or the list item
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// wouldn't be editable. (#1420)
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if ( nextBlock.is( 'li' ) ) {
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var walkerRange = range.clone();
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walkerRange.selectNodeContents( nextBlock );
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var walker = new CKEDITOR.dom.walker( walkerRange );
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walker.evaluator = function( node ) {
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return !( bookmark( node ) || whitespaces( node ) || node.type == CKEDITOR.NODE_ELEMENT && node.getName() in CKEDITOR.dtd.$inline && !( node.getName() in CKEDITOR.dtd.$empty ) );
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};
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node = walker.next();
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if ( node && node.type == CKEDITOR.NODE_ELEMENT && node.is( 'ul', 'ol' ) )
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( CKEDITOR.env.needsBrFiller ? doc.createElement( 'br' ) : doc.createText( '\xa0' ) ).insertBefore( node );
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}
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// Move the selection to the end block.
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if ( nextBlock )
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range.moveToElementEditStart( nextBlock );
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} else {
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var newBlockDir;
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if ( previousBlock ) {
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// Do not enter this block if it's a header tag, or we are in
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// a Shift+Enter (#77). Create a new block element instead
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// (later in the code).
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if ( previousBlock.is( 'li' ) || !( headerTagRegex.test( previousBlock.getName() ) || previousBlock.is( 'pre' ) ) ) {
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// Otherwise, duplicate the previous block.
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newBlock = previousBlock.clone();
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}
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} else if ( nextBlock )
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newBlock = nextBlock.clone();
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if ( !newBlock ) {
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// We have already created a new list item. (#6849)
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if ( node && node.is( 'li' ) )
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newBlock = node;
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else {
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newBlock = doc.createElement( blockTag );
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if ( previousBlock && ( newBlockDir = previousBlock.getDirection() ) )
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newBlock.setAttribute( 'dir', newBlockDir );
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}
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}
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// Force the enter block unless we're talking of a list item.
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else if ( forceMode && !newBlock.is( 'li' ) )
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newBlock.renameNode( blockTag );
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// Recreate the inline elements tree, which was available
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// before hitting enter, so the same styles will be available in
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// the new block.
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var elementPath = splitInfo.elementPath;
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if ( elementPath ) {
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for ( var i = 0, len = elementPath.elements.length; i < len; i++ ) {
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var element = elementPath.elements[ i ];
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if ( element.equals( elementPath.block ) || element.equals( elementPath.blockLimit ) )
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break;
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if ( CKEDITOR.dtd.$removeEmpty[ element.getName() ] ) {
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|||
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element = element.clone();
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|||
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newBlock.moveChildren( element );
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newBlock.append( element );
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|||
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}
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}
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}
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newBlock.appendBogus();
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|||
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|
|
if ( !newBlock.getParent() )
|
|||
|
|
range.insertNode( newBlock );
|
|||
|
|
|
|||
|
|
// list item start number should not be duplicated (#7330), but we need
|
|||
|
|
// to remove the attribute after it's onto the DOM tree because of old IEs (#7581).
|
|||
|
|
newBlock.is( 'li' ) && newBlock.removeAttribute( 'value' );
|
|||
|
|
|
|||
|
|
// This is tricky, but to make the new block visible correctly
|
|||
|
|
// we must select it.
|
|||
|
|
// The previousBlock check has been included because it may be
|
|||
|
|
// empty if we have fixed a block-less space (like ENTER into an
|
|||
|
|
// empty table cell).
|
|||
|
|
if ( CKEDITOR.env.ie && isStartOfBlock && ( !isEndOfBlock || !previousBlock.getChildCount() ) ) {
|
|||
|
|
// Move the selection to the new block.
|
|||
|
|
range.moveToElementEditStart( isEndOfBlock ? previousBlock : newBlock );
|
|||
|
|
range.select();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Move the selection to the new block.
|
|||
|
|
range.moveToElementEditStart( isStartOfBlock && !isEndOfBlock ? nextBlock : newBlock );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
range.select();
|
|||
|
|
range.scrollIntoView();
|
|||
|
|
},
|
|||
|
|
|
|||
|
|
enterBr: function( editor, mode, range, forceMode ) {
|
|||
|
|
// Get the range for the current selection.
|
|||
|
|
range = range || getRange( editor );
|
|||
|
|
|
|||
|
|
// We may not have valid ranges to work on, like when inside a
|
|||
|
|
// contenteditable=false element.
|
|||
|
|
if ( !range )
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
var doc = range.document;
|
|||
|
|
|
|||
|
|
// Determine the block element to be used.
|
|||
|
|
var blockTag = ( mode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
|
|||
|
|
|
|||
|
|
var isEndOfBlock = range.checkEndOfBlock();
|
|||
|
|
|
|||
|
|
var elementPath = new CKEDITOR.dom.elementPath( editor.getSelection().getStartElement() );
|
|||
|
|
|
|||
|
|
var startBlock = elementPath.block,
|
|||
|
|
startBlockTag = startBlock && elementPath.block.getName();
|
|||
|
|
|
|||
|
|
var isPre = false;
|
|||
|
|
|
|||
|
|
if ( !forceMode && startBlockTag == 'li' ) {
|
|||
|
|
enterBlock( editor, mode, range, forceMode );
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// If we are at the end of a header block.
|
|||
|
|
if ( !forceMode && isEndOfBlock && headerTagRegex.test( startBlockTag ) ) {
|
|||
|
|
var newBlock, newBlockDir;
|
|||
|
|
|
|||
|
|
if ( ( newBlockDir = startBlock.getDirection() ) ) {
|
|||
|
|
newBlock = doc.createElement( 'div' );
|
|||
|
|
newBlock.setAttribute( 'dir', newBlockDir );
|
|||
|
|
newBlock.insertAfter( startBlock );
|
|||
|
|
range.setStart( newBlock, 0 );
|
|||
|
|
} else {
|
|||
|
|
// Insert a <br> after the current paragraph.
|
|||
|
|
doc.createElement( 'br' ).insertAfter( startBlock );
|
|||
|
|
|
|||
|
|
// A text node is required by Gecko only to make the cursor blink.
|
|||
|
|
if ( CKEDITOR.env.gecko )
|
|||
|
|
doc.createText( '' ).insertAfter( startBlock );
|
|||
|
|
|
|||
|
|
// IE has different behaviors regarding position.
|
|||
|
|
range.setStartAt( startBlock.getNext(), CKEDITOR.env.ie ? CKEDITOR.POSITION_BEFORE_START : CKEDITOR.POSITION_AFTER_START );
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
var lineBreak;
|
|||
|
|
|
|||
|
|
// IE<8 prefers text node as line-break inside of <pre> (#4711).
|
|||
|
|
if ( startBlockTag == 'pre' && CKEDITOR.env.ie && CKEDITOR.env.version < 8 )
|
|||
|
|
lineBreak = doc.createText( '\r' );
|
|||
|
|
else
|
|||
|
|
lineBreak = doc.createElement( 'br' );
|
|||
|
|
|
|||
|
|
range.deleteContents();
|
|||
|
|
range.insertNode( lineBreak );
|
|||
|
|
|
|||
|
|
// Old IEs have different behavior regarding position.
|
|||
|
|
if ( !CKEDITOR.env.needsBrFiller )
|
|||
|
|
range.setStartAt( lineBreak, CKEDITOR.POSITION_AFTER_END );
|
|||
|
|
else {
|
|||
|
|
// A text node is required by Gecko only to make the cursor blink.
|
|||
|
|
// We need some text inside of it, so the bogus <br> is properly
|
|||
|
|
// created.
|
|||
|
|
doc.createText( '\ufeff' ).insertAfter( lineBreak );
|
|||
|
|
|
|||
|
|
// If we are at the end of a block, we must be sure the bogus node is available in that block.
|
|||
|
|
if ( isEndOfBlock )
|
|||
|
|
lineBreak.getParent().appendBogus();
|
|||
|
|
|
|||
|
|
// Now we can remove the text node contents, so the caret doesn't
|
|||
|
|
// stop on it.
|
|||
|
|
lineBreak.getNext().$.nodeValue = '';
|
|||
|
|
|
|||
|
|
range.setStartAt( lineBreak.getNext(), CKEDITOR.POSITION_AFTER_START );
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// This collapse guarantees the cursor will be blinking.
|
|||
|
|
range.collapse( true );
|
|||
|
|
|
|||
|
|
range.select();
|
|||
|
|
range.scrollIntoView();
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
var plugin = CKEDITOR.plugins.enterkey,
|
|||
|
|
enterBr = plugin.enterBr,
|
|||
|
|
enterBlock = plugin.enterBlock,
|
|||
|
|
headerTagRegex = /^h[1-6]$/;
|
|||
|
|
|
|||
|
|
function shiftEnter( editor ) {
|
|||
|
|
// On SHIFT+ENTER:
|
|||
|
|
// 1. We want to enforce the mode to be respected, instead
|
|||
|
|
// of cloning the current block. (#77)
|
|||
|
|
return enter( editor, editor.activeShiftEnterMode, 1 );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function enter( editor, mode, forceMode ) {
|
|||
|
|
forceMode = editor.config.forceEnterMode || forceMode;
|
|||
|
|
|
|||
|
|
// Only effective within document.
|
|||
|
|
if ( editor.mode != 'wysiwyg' )
|
|||
|
|
return;
|
|||
|
|
|
|||
|
|
if ( !mode )
|
|||
|
|
mode = editor.activeEnterMode;
|
|||
|
|
|
|||
|
|
// TODO this should be handled by setting editor.activeEnterMode on selection change.
|
|||
|
|
// Check path block specialities:
|
|||
|
|
// 1. Cannot be a un-splittable element, e.g. table caption;
|
|||
|
|
var path = editor.elementPath();
|
|||
|
|
if ( !path.isContextFor( 'p' ) ) {
|
|||
|
|
mode = CKEDITOR.ENTER_BR;
|
|||
|
|
forceMode = 1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
editor.fire( 'saveSnapshot' ); // Save undo step.
|
|||
|
|
|
|||
|
|
if ( mode == CKEDITOR.ENTER_BR )
|
|||
|
|
enterBr( editor, mode, null, forceMode );
|
|||
|
|
else
|
|||
|
|
enterBlock( editor, mode, null, forceMode );
|
|||
|
|
|
|||
|
|
editor.fire( 'saveSnapshot' );
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function getRange( editor ) {
|
|||
|
|
// Get the selection ranges.
|
|||
|
|
var ranges = editor.getSelection().getRanges( true );
|
|||
|
|
|
|||
|
|
// Delete the contents of all ranges except the first one.
|
|||
|
|
for ( var i = ranges.length - 1; i > 0; i-- ) {
|
|||
|
|
ranges[ i ].deleteContents();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// Return the first range.
|
|||
|
|
return ranges[ 0 ];
|
|||
|
|
}
|
|||
|
|
} )();
|