[3019] | 1 | /*
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| 2 | Copyright (c) 2003-2009, 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 | (function()
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| 7 | {
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| 8 | // Elements that may be considered the "Block boundary" in an element path.
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| 9 | var pathBlockElements = { address:1,blockquote:1,dl:1,h1:1,h2:1,h3:1,h4:1,h5:1,h6:1,p:1,pre:1,li:1,dt:1,de:1 };
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| 10 |
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| 11 | // Elements that may be considered the "Block limit" in an element path.
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| 12 | var pathBlockLimitElements = { body:1,div:1,table:1,tbody:1,tr:1,td:1,th:1,caption:1,form:1 };
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| 13 |
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| 14 | // Check if an element contains any block element.
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| 15 | var checkHasBlock = function( element )
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| 16 | {
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| 17 | var childNodes = element.getChildren();
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| 18 |
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| 19 | for ( var i = 0, count = childNodes.count() ; i < count ; i++ )
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| 20 | {
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| 21 | var child = childNodes.getItem( i );
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| 22 |
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| 23 | if ( child.type == CKEDITOR.NODE_ELEMENT && CKEDITOR.dtd.$block[ child.getName() ] )
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| 24 | return true;
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| 25 | }
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| 26 |
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| 27 | return false;
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| 28 | };
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| 29 |
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| 30 | CKEDITOR.dom.elementPath = function( lastNode )
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| 31 | {
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| 32 | var block = null;
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| 33 | var blockLimit = null;
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| 34 | var elements = [];
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| 35 |
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| 36 | var e = lastNode;
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| 37 |
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| 38 | while ( e )
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| 39 | {
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| 40 | if ( e.type == CKEDITOR.NODE_ELEMENT )
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| 41 | {
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| 42 | if ( !this.lastElement )
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| 43 | this.lastElement = e;
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| 44 |
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| 45 | var elementName = e.getName();
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| 46 | if ( CKEDITOR.env.ie && e.$.scopeName != 'HTML' )
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| 47 | elementName = e.$.scopeName.toLowerCase() + ':' + elementName;
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| 48 |
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| 49 | if ( !blockLimit )
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| 50 | {
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| 51 | if ( !block && pathBlockElements[ elementName ] )
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| 52 | block = e;
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| 53 |
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| 54 | if ( pathBlockLimitElements[ elementName ] )
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| 55 | {
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| 56 | // DIV is considered the Block, if no block is available (#525)
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| 57 | // and if it doesn't contain other blocks.
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| 58 | if ( !block && elementName == 'div' && !checkHasBlock( e ) )
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| 59 | block = e;
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| 60 | else
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| 61 | blockLimit = e;
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| 62 | }
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| 63 | }
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| 64 |
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| 65 | elements.push( e );
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| 66 |
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| 67 | if ( elementName == 'body' )
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| 68 | break;
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| 69 | }
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| 70 | e = e.getParent();
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| 71 | }
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| 72 |
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| 73 | this.block = block;
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| 74 | this.blockLimit = blockLimit;
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| 75 | this.elements = elements;
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| 76 | };
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| 77 | })();
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| 78 |
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| 79 | CKEDITOR.dom.elementPath.prototype =
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| 80 | {
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| 81 | /**
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| 82 | * Compares this element path with another one.
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| 83 | * @param {CKEDITOR.dom.elementPath} otherPath The elementPath object to be
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| 84 | * compared with this one.
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| 85 | * @returns {Boolean} "true" if the paths are equal, containing the same
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| 86 | * number of elements and the same elements in the same order.
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| 87 | */
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| 88 | compare : function( otherPath )
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| 89 | {
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| 90 | var thisElements = this.elements;
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| 91 | var otherElements = otherPath && otherPath.elements;
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| 92 |
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| 93 | if ( !otherElements || thisElements.length != otherElements.length )
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| 94 | return false;
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| 95 |
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| 96 | for ( var i = 0 ; i < thisElements.length ; i++ )
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| 97 | {
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| 98 | if ( !thisElements[ i ].equals( otherElements[ i ] ) )
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| 99 | return false;
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| 100 | }
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| 101 |
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| 102 | return true;
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| 103 | }
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| 104 | };
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