1 | /*
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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4 | *
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5 | * == BEGIN LICENSE ==
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6 | *
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7 | * Licensed under the terms of any of the following licenses at your
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8 | * choice:
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9 | *
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10 | * - GNU General Public License Version 2 or later (the "GPL")
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11 | * http://www.gnu.org/licenses/gpl.html
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12 | *
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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14 | * http://www.gnu.org/licenses/lgpl.html
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15 | *
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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18 | *
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19 | * == END LICENSE ==
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20 | *
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21 | * Manages the DOM ascensors element list of a specific DOM node
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22 | * (limited to body, inclusive).
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23 | */
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24 |
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25 | var FCKElementPath = function( lastNode )
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26 | {
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27 | var eBlock = null ;
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28 | var eBlockLimit = null ;
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29 |
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30 | var aElements = new Array() ;
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31 |
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32 | var e = lastNode ;
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33 | while ( e )
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34 | {
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35 | if ( e.nodeType == 1 )
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36 | {
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37 | if ( !this.LastElement )
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38 | this.LastElement = e ;
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39 |
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40 | var sElementName = e.nodeName.toLowerCase() ;
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41 | if ( FCKBrowserInfo.IsIE && e.scopeName != 'HTML' )
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42 | sElementName = e.scopeName.toLowerCase() + ':' + sElementName ;
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43 |
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44 | if ( !eBlockLimit )
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45 | {
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46 | if ( !eBlock && FCKListsLib.PathBlockElements[ sElementName ] != null )
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47 | eBlock = e ;
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48 |
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49 | if ( FCKListsLib.PathBlockLimitElements[ sElementName ] != null )
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50 | {
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51 | // DIV is considered the Block, if no block is available (#525)
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52 | // and if it doesn't contain other blocks.
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53 | if ( !eBlock && sElementName == 'div' && !FCKElementPath._CheckHasBlock( e ) )
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54 | eBlock = e ;
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55 | else
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56 | eBlockLimit = e ;
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57 | }
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58 | }
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59 |
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60 | aElements.push( e ) ;
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61 |
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62 | if ( sElementName == 'body' )
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63 | break ;
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64 | }
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65 | e = e.parentNode ;
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66 | }
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67 |
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68 | this.Block = eBlock ;
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69 | this.BlockLimit = eBlockLimit ;
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70 | this.Elements = aElements ;
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71 | }
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72 |
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73 | /**
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74 | * Check if an element contains any block element.
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75 | */
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76 | FCKElementPath._CheckHasBlock = function( element )
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77 | {
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78 | var childNodes = element.childNodes ;
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79 |
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80 | for ( var i = 0, count = childNodes.length ; i < count ; i++ )
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81 | {
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82 | var child = childNodes[i] ;
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83 |
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84 | if ( child.nodeType == 1 && FCKListsLib.BlockElements[ child.nodeName.toLowerCase() ] )
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85 | return true ;
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86 | }
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87 |
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88 | return false ;
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89 | }
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