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 | * Tool object to manage HTML lists items (UL, OL and LI).
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22 | */
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23 |
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24 | var FCKListHandler =
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25 | {
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26 | OutdentListItem : function( listItem )
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27 | {
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28 | var eParent = listItem.parentNode ;
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29 |
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30 | // It may happen that a LI is not in a UL or OL (Orphan).
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31 | if ( eParent.tagName.toUpperCase().Equals( 'UL','OL' ) )
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32 | {
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33 | var oDocument = FCKTools.GetElementDocument( listItem ) ;
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34 | var oDogFrag = new FCKDocumentFragment( oDocument ) ;
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35 |
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36 | // All children and successive siblings will be moved to a a DocFrag.
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37 | var eNextSiblings = oDogFrag.RootNode ;
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38 | var eHasLiSibling = false ;
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39 |
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40 | // If we have nested lists inside it, let's move it to the list of siblings.
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41 | var eChildList = FCKDomTools.GetFirstChild( listItem, ['UL','OL'] ) ;
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42 | if ( eChildList )
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43 | {
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44 | eHasLiSibling = true ;
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45 |
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46 | var eChild ;
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47 | // The extra () is to avoid a warning with strict error checking. This is ok.
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48 | while ( (eChild = eChildList.firstChild) )
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49 | eNextSiblings.appendChild( eChildList.removeChild( eChild ) ) ;
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50 |
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51 | FCKDomTools.RemoveNode( eChildList ) ;
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52 | }
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53 |
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54 | // Move all successive siblings.
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55 | var eSibling ;
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56 | var eHasSuccessiveLiSibling = false ;
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57 | // The extra () is to avoid a warning with strict error checking. This is ok.
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58 | while ( (eSibling = listItem.nextSibling) )
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59 | {
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60 | if ( !eHasLiSibling && eSibling.nodeType == 1 && eSibling.nodeName.toUpperCase() == 'LI' )
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61 | eHasSuccessiveLiSibling = eHasLiSibling = true ;
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62 |
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63 | eNextSiblings.appendChild( eSibling.parentNode.removeChild( eSibling ) ) ;
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64 |
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65 | // If a sibling is a incorrectly nested UL or OL, consider only its children.
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66 | if ( !eHasSuccessiveLiSibling && eSibling.nodeType == 1 && eSibling.nodeName.toUpperCase().Equals( 'UL','OL' ) )
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67 | FCKDomTools.RemoveNode( eSibling, true ) ;
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68 | }
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69 |
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70 | // If we are in a list chain.
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71 | var sParentParentTag = eParent.parentNode.tagName.toUpperCase() ;
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72 | var bWellNested = ( sParentParentTag == 'LI' ) ;
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73 | if ( bWellNested || sParentParentTag.Equals( 'UL','OL' ) )
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74 | {
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75 | if ( eHasLiSibling )
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76 | {
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77 | var eChildList = eParent.cloneNode( false ) ;
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78 | oDogFrag.AppendTo( eChildList ) ;
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79 | listItem.appendChild( eChildList ) ;
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80 | }
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81 | else if ( bWellNested )
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82 | oDogFrag.InsertAfterNode( eParent.parentNode ) ;
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83 | else
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84 | oDogFrag.InsertAfterNode( eParent ) ;
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85 |
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86 | // Move the LI after its parent.parentNode (the upper LI in the hierarchy).
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87 | if ( bWellNested )
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88 | FCKDomTools.InsertAfterNode( eParent.parentNode, eParent.removeChild( listItem ) ) ;
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89 | else
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90 | FCKDomTools.InsertAfterNode( eParent, eParent.removeChild( listItem ) ) ;
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91 | }
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92 | else
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93 | {
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94 | if ( eHasLiSibling )
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95 | {
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96 | var eNextList = eParent.cloneNode( false ) ;
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97 | oDogFrag.AppendTo( eNextList ) ;
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98 | FCKDomTools.InsertAfterNode( eParent, eNextList ) ;
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99 | }
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100 |
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101 | var eBlock = oDocument.createElement( FCKConfig.EnterMode == 'p' ? 'p' : 'div' ) ;
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102 | FCKDomTools.MoveChildren( eParent.removeChild( listItem ), eBlock ) ;
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103 | FCKDomTools.InsertAfterNode( eParent, eBlock ) ;
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104 |
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105 | if ( FCKConfig.EnterMode == 'br' )
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106 | {
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107 | // We need the bogus to make it work properly. In Gecko, we
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108 | // need it before the new block, on IE, after it.
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109 | if ( FCKBrowserInfo.IsGecko )
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110 | eBlock.parentNode.insertBefore( FCKTools.CreateBogusBR( oDocument ), eBlock ) ;
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111 | else
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112 | FCKDomTools.InsertAfterNode( eBlock, FCKTools.CreateBogusBR( oDocument ) ) ;
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113 |
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114 | FCKDomTools.RemoveNode( eBlock, true ) ;
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115 | }
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116 | }
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117 |
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118 | if ( this.CheckEmptyList( eParent ) )
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119 | FCKDomTools.RemoveNode( eParent, true ) ;
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120 | }
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121 | },
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122 |
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123 | CheckEmptyList : function( listElement )
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124 | {
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125 | return ( FCKDomTools.GetFirstChild( listElement, 'LI' ) == null ) ;
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126 | },
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127 |
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128 | // Check if the list has contents (excluding nested lists).
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129 | CheckListHasContents : function( listElement )
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130 | {
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131 | var eChildNode = listElement.firstChild ;
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132 |
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133 | while ( eChildNode )
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134 | {
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135 | switch ( eChildNode.nodeType )
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136 | {
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137 | case 1 :
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138 | if ( !eChildNode.nodeName.IEquals( 'UL','LI' ) )
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139 | return true ;
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140 | break ;
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141 |
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142 | case 3 :
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143 | if ( eChildNode.nodeValue.Trim().length > 0 )
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144 | return true ;
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145 | }
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146 |
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147 | eChildNode = eChildNode.nextSibling ;
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148 | }
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149 |
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150 | return false ;
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151 | }
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152 | } ;
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