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 | /**
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7 | * @file Insert and remove numbered and bulleted lists.
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8 | */
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9 |
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10 | (function()
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11 | {
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12 | var listNodeNames = { ol : 1, ul : 1 },
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13 | emptyTextRegex = /^[\n\r\t ]*$/;
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14 |
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15 | CKEDITOR.plugins.list = {
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16 | /*
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17 | * Convert a DOM list tree into a data structure that is easier to
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18 | * manipulate. This operation should be non-intrusive in the sense that it
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19 | * does not change the DOM tree, with the exception that it may add some
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20 | * markers to the list item nodes when database is specified.
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21 | */
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22 | listToArray : function( listNode, database, baseArray, baseIndentLevel, grandparentNode )
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23 | {
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24 | if ( !listNodeNames[ listNode.getName() ] )
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25 | return [];
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26 |
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27 | if ( !baseIndentLevel )
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28 | baseIndentLevel = 0;
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29 | if ( !baseArray )
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30 | baseArray = [];
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31 |
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32 | // Iterate over all list items to get their contents and look for inner lists.
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33 | for ( var i = 0, count = listNode.getChildCount() ; i < count ; i++ )
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34 | {
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35 | var listItem = listNode.getChild( i );
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36 |
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37 | // It may be a text node or some funny stuff.
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38 | if ( listItem.$.nodeName.toLowerCase() != 'li' )
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39 | continue;
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40 | var itemObj = { 'parent' : listNode, indent : baseIndentLevel, contents : [] };
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41 | if ( !grandparentNode )
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42 | {
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43 | itemObj.grandparent = listNode.getParent();
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44 | if ( itemObj.grandparent && itemObj.grandparent.$.nodeName.toLowerCase() == 'li' )
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45 | itemObj.grandparent = itemObj.grandparent.getParent();
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46 | }
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47 | else
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48 | itemObj.grandparent = grandparentNode;
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49 |
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50 | if ( database )
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51 | CKEDITOR.dom.element.setMarker( database, listItem, 'listarray_index', baseArray.length );
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52 | baseArray.push( itemObj );
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53 |
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54 | for ( var j = 0, itemChildCount = listItem.getChildCount() ; j < itemChildCount ; j++ )
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55 | {
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56 | var child = listItem.getChild( j );
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57 | if ( child.type == CKEDITOR.NODE_ELEMENT && listNodeNames[ child.getName() ] )
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58 | // Note the recursion here, it pushes inner list items with
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59 | // +1 indentation in the correct order.
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60 | CKEDITOR.plugins.list.listToArray( child, database, baseArray, baseIndentLevel + 1, itemObj.grandparent );
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61 | else
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62 | itemObj.contents.push( child );
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63 | }
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64 | }
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65 | return baseArray;
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66 | },
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67 |
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68 | // Convert our internal representation of a list back to a DOM forest.
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69 | arrayToList : function( listArray, database, baseIndex, paragraphMode )
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70 | {
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71 | if ( !baseIndex )
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72 | baseIndex = 0;
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73 | if ( !listArray || listArray.length < baseIndex + 1 )
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74 | return null;
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75 | var doc = listArray[ baseIndex ].parent.getDocument(),
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76 | retval = new CKEDITOR.dom.documentFragment( doc ),
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77 | rootNode = null,
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78 | currentIndex = baseIndex,
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79 | indentLevel = Math.max( listArray[ baseIndex ].indent, 0 ),
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80 | currentListItem = null,
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81 | paragraphName = ( paragraphMode == CKEDITOR.ENTER_P ? 'p' : 'div' );
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82 | while ( true )
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83 | {
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84 | var item = listArray[ currentIndex ];
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85 | if ( item.indent == indentLevel )
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86 | {
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87 | if ( !rootNode || listArray[ currentIndex ].parent.getName() != rootNode.getName() )
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88 | {
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89 | rootNode = listArray[ currentIndex ].parent.clone( false, true );
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90 | retval.append( rootNode );
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91 | }
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92 | currentListItem = rootNode.append( doc.createElement( 'li' ) );
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93 | for ( var i = 0 ; i < item.contents.length ; i++ )
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94 | currentListItem.append( item.contents[i].clone( true, true ) );
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95 | currentIndex++;
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96 | }
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97 | else if ( item.indent == Math.max( indentLevel, 0 ) + 1 )
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98 | {
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99 | var listData = CKEDITOR.plugins.list.arrayToList( listArray, null, currentIndex, paragraphMode );
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100 | currentListItem.append( listData.listNode );
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101 | currentIndex = listData.nextIndex;
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102 | }
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103 | else if ( item.indent == -1 && !baseIndex && item.grandparent )
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104 | {
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105 | currentListItem;
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106 | if ( listNodeNames[ item.grandparent.getName() ] )
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107 | currentListItem = doc.createElement( 'li' );
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108 | else
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109 | {
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110 | if ( paragraphMode != CKEDITOR.ENTER_BR && item.grandparent.getName() != 'td' )
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111 | currentListItem = doc.createElement( paragraphName );
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112 | else
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113 | currentListItem = new CKEDITOR.dom.documentFragment( doc );
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114 | }
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115 |
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116 | for ( i = 0 ; i < item.contents.length ; i++ )
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117 | currentListItem.append( item.contents[i].clone( true, true ) );
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118 |
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119 | if ( currentListItem.type == CKEDITOR.NODE_DOCUMENT_FRAGMENT
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120 | && currentIndex != listArray.length - 1 )
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121 | {
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122 | if ( currentListItem.getLast()
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123 | && currentListItem.getLast().type == CKEDITOR.NODE_ELEMENT
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124 | && currentListItem.getLast().getAttribute( 'type' ) == '_moz' )
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125 | currentListItem.getLast().remove();
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126 | currentListItem.appendBogus();
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127 | }
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128 |
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129 | if ( currentListItem.type == CKEDITOR.NODE_ELEMENT &&
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130 | currentListItem.getName() == paragraphName &&
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131 | currentListItem.$.firstChild )
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132 | {
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133 | currentListItem.trim();
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134 | var firstChild = currentListItem.getFirst();
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135 | if ( firstChild.type == CKEDITOR.NODE_ELEMENT && firstChild.isBlockBoundary() )
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136 | {
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137 | var tmp = new CKEDITOR.dom.documentFragment( doc );
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138 | currentListItem.moveChildren( tmp );
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139 | currentListItem = tmp;
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140 | }
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141 | }
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142 |
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143 | var currentListItemName = currentListItem.$.nodeName.toLowerCase();
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144 | if ( !CKEDITOR.env.ie && ( currentListItemName == 'div' || currentListItemName == 'p' ) )
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145 | currentListItem.appendBogus();
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146 | retval.append( currentListItem );
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147 | rootNode = null;
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148 | currentIndex++;
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149 | }
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150 | else
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151 | return null;
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152 |
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153 | if ( listArray.length <= currentIndex || Math.max( listArray[ currentIndex ].indent, 0 ) < indentLevel )
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154 | break;
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155 | }
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156 |
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157 | // Clear marker attributes for the new list tree made of cloned nodes, if any.
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158 | if ( database )
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159 | {
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160 | var currentNode = retval.getFirst();
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161 | while ( currentNode )
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162 | {
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163 | if ( currentNode.type == CKEDITOR.NODE_ELEMENT )
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164 | CKEDITOR.dom.element.clearMarkers( database, currentNode );
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165 | currentNode = currentNode.getNextSourceNode();
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166 | }
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167 | }
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168 |
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169 | return { listNode : retval, nextIndex : currentIndex };
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170 | }
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171 | };
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172 |
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173 | function setState( editor, state )
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174 | {
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175 | editor.getCommand( this.name ).setState( state );
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176 | }
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177 |
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178 | function onSelectionChange( evt )
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179 | {
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180 | var path = evt.data.path,
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181 | blockLimit = path.blockLimit,
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182 | elements = path.elements,
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183 | element;
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184 |
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185 | // Grouping should only happen under blockLimit.(#3940).
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186 | for ( var i = 0 ; i < elements.length && ( element = elements[ i ] )
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187 | && !element.equals( blockLimit ); i++ )
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188 | {
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189 | if ( listNodeNames[ elements[i].getName() ] )
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190 | {
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191 | return setState.call( this, evt.editor,
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192 | this.type == elements[i].getName() ? CKEDITOR.TRISTATE_ON : CKEDITOR.TRISTATE_OFF );
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193 | }
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194 | }
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195 |
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196 | return setState.call( this, evt.editor, CKEDITOR.TRISTATE_OFF );
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197 | }
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198 |
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199 | function changeListType( editor, groupObj, database, listsCreated )
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200 | {
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201 | // This case is easy...
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202 | // 1. Convert the whole list into a one-dimensional array.
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203 | // 2. Change the list type by modifying the array.
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204 | // 3. Recreate the whole list by converting the array to a list.
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205 | // 4. Replace the original list with the recreated list.
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206 | var listArray = CKEDITOR.plugins.list.listToArray( groupObj.root, database ),
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207 | selectedListItems = [];
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208 |
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209 | for ( var i = 0 ; i < groupObj.contents.length ; i++ )
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210 | {
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211 | var itemNode = groupObj.contents[i];
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212 | itemNode = itemNode.getAscendant( 'li', true );
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213 | if ( !itemNode || itemNode.getCustomData( 'list_item_processed' ) )
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214 | continue;
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215 | selectedListItems.push( itemNode );
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216 | CKEDITOR.dom.element.setMarker( database, itemNode, 'list_item_processed', true );
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217 | }
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218 |
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219 | var fakeParent = groupObj.root.getDocument().createElement( this.type );
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220 | for ( i = 0 ; i < selectedListItems.length ; i++ )
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221 | {
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222 | var listIndex = selectedListItems[i].getCustomData( 'listarray_index' );
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223 | listArray[listIndex].parent = fakeParent;
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224 | }
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225 | var newList = CKEDITOR.plugins.list.arrayToList( listArray, database, null, editor.config.enterMode );
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226 | var child, length = newList.listNode.getChildCount();
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227 | for ( i = 0 ; i < length && ( child = newList.listNode.getChild( i ) ) ; i++ )
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228 | {
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229 | if ( child.getName() == this.type )
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230 | listsCreated.push( child );
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231 | }
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232 | newList.listNode.replace( groupObj.root );
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233 | }
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234 |
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235 | function createList( editor, groupObj, listsCreated )
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236 | {
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237 | var contents = groupObj.contents,
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238 | doc = groupObj.root.getDocument(),
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239 | listContents = [];
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240 |
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241 | // It is possible to have the contents returned by DomRangeIterator to be the same as the root.
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242 | // e.g. when we're running into table cells.
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243 | // In such a case, enclose the childNodes of contents[0] into a <div>.
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244 | if ( contents.length == 1 && contents[0].equals( groupObj.root ) )
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245 | {
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246 | var divBlock = doc.createElement( 'div' );
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247 | contents[0].moveChildren && contents[0].moveChildren( divBlock );
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248 | contents[0].append( divBlock );
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249 | contents[0] = divBlock;
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250 | }
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251 |
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252 | // Calculate the common parent node of all content blocks.
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253 | var commonParent = groupObj.contents[0].getParent();
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254 | for ( var i = 0 ; i < contents.length ; i++ )
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255 | commonParent = commonParent.getCommonAncestor( contents[i].getParent() );
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256 |
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257 | // We want to insert things that are in the same tree level only, so calculate the contents again
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258 | // by expanding the selected blocks to the same tree level.
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259 | for ( i = 0 ; i < contents.length ; i++ )
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260 | {
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261 | var contentNode = contents[i],
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262 | parentNode;
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263 | while ( ( parentNode = contentNode.getParent() ) )
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264 | {
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265 | if ( parentNode.equals( commonParent ) )
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266 | {
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267 | listContents.push( contentNode );
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268 | break;
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269 | }
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270 | contentNode = parentNode;
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271 | }
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272 | }
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273 |
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274 | if ( listContents.length < 1 )
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275 | return;
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276 |
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277 | // Insert the list to the DOM tree.
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278 | var insertAnchor = listContents[ listContents.length - 1 ].getNext(),
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279 | listNode = doc.createElement( this.type );
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280 |
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281 | listsCreated.push( listNode );
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282 | while ( listContents.length )
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283 | {
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284 | var contentBlock = listContents.shift(),
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285 | listItem = doc.createElement( 'li' );
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286 | contentBlock.moveChildren( listItem );
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287 | contentBlock.remove();
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288 | listItem.appendTo( listNode );
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289 |
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290 | // Append a bogus BR to force the LI to render at full height
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291 | if ( !CKEDITOR.env.ie )
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292 | listItem.appendBogus();
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293 | }
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294 | if ( insertAnchor )
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295 | listNode.insertBefore( insertAnchor );
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296 | else
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297 | listNode.appendTo( commonParent );
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298 | }
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299 |
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300 | function removeList( editor, groupObj, database )
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301 | {
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302 | // This is very much like the change list type operation.
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303 | // Except that we're changing the selected items' indent to -1 in the list array.
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304 | var listArray = CKEDITOR.plugins.list.listToArray( groupObj.root, database ),
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305 | selectedListItems = [];
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306 |
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307 | for ( var i = 0 ; i < groupObj.contents.length ; i++ )
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308 | {
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309 | var itemNode = groupObj.contents[i];
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310 | itemNode = itemNode.getAscendant( 'li', true );
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311 | if ( !itemNode || itemNode.getCustomData( 'list_item_processed' ) )
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312 | continue;
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313 | selectedListItems.push( itemNode );
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314 | CKEDITOR.dom.element.setMarker( database, itemNode, 'list_item_processed', true );
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315 | }
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316 |
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317 | var lastListIndex = null;
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318 | for ( i = 0 ; i < selectedListItems.length ; i++ )
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319 | {
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320 | var listIndex = selectedListItems[i].getCustomData( 'listarray_index' );
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321 | listArray[listIndex].indent = -1;
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322 | lastListIndex = listIndex;
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323 | }
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324 |
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325 | // After cutting parts of the list out with indent=-1, we still have to maintain the array list
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326 | // model's nextItem.indent <= currentItem.indent + 1 invariant. Otherwise the array model of the
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327 | // list cannot be converted back to a real DOM list.
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328 | for ( i = lastListIndex + 1 ; i < listArray.length ; i++ )
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329 | {
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330 | if ( listArray[i].indent > listArray[i-1].indent + 1 )
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331 | {
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332 | var indentOffset = listArray[i-1].indent + 1 - listArray[i].indent;
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333 | var oldIndent = listArray[i].indent;
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334 | while ( listArray[i] && listArray[i].indent >= oldIndent )
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335 | {
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336 | listArray[i].indent += indentOffset;
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337 | i++;
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338 | }
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339 | i--;
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340 | }
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341 | }
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342 |
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343 | var newList = CKEDITOR.plugins.list.arrayToList( listArray, database, null, editor.config.enterMode );
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344 |
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345 | // Compensate <br> before/after the list node if the surrounds are non-blocks.(#3836)
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346 | var docFragment = newList.listNode, boundaryNode, siblingNode;
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347 | function compensateBrs( isStart )
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348 | {
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349 | if ( ( boundaryNode = docFragment[ isStart ? 'getFirst' : 'getLast' ]() )
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350 | && !( boundaryNode.is && boundaryNode.isBlockBoundary() )
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351 | && ( siblingNode = groupObj.root[ isStart ? 'getPrevious' : 'getNext' ]
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352 | ( CKEDITOR.dom.walker.whitespaces( true ) ) )
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353 | && !( siblingNode.is && siblingNode.isBlockBoundary( { br : 1 } ) ) )
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354 | editor.document.createElement( 'br' )[ isStart ? 'insertBefore' : 'insertAfter' ]( boundaryNode );
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355 | }
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356 | compensateBrs( true );
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357 | compensateBrs();
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358 |
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359 | var rootParent = groupObj.root.getParent();
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360 | docFragment.replace( groupObj.root );
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361 | }
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362 |
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363 | function listCommand( name, type )
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364 | {
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365 | this.name = name;
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366 | this.type = type;
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367 | }
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368 |
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369 | listCommand.prototype = {
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370 | exec : function( editor )
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371 | {
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372 | editor.focus();
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373 |
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374 | var doc = editor.document,
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375 | selection = editor.getSelection(),
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376 | ranges = selection && selection.getRanges();
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377 |
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378 | // There should be at least one selected range.
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379 | if ( !ranges || ranges.length < 1 )
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380 | return;
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381 |
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382 | // Midas lists rule #1 says we can create a list even in an empty document.
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383 | // But DOM iterator wouldn't run if the document is really empty.
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384 | // So create a paragraph if the document is empty and we're going to create a list.
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385 | if ( this.state == CKEDITOR.TRISTATE_OFF )
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386 | {
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387 | var body = doc.getBody();
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388 | body.trim();
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389 | if ( !body.getFirst() )
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390 | {
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391 | var paragraph = doc.createElement( editor.config.enterMode == CKEDITOR.ENTER_P ? 'p' :
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392 | ( editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'br' ) );
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393 | paragraph.appendTo( body );
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394 | ranges = [ new CKEDITOR.dom.range( doc ) ];
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395 | // IE exception on inserting anything when anchor inside <br>.
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396 | if ( paragraph.is( 'br' ) )
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397 | {
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398 | ranges[ 0 ].setStartBefore( paragraph );
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399 | ranges[ 0 ].setEndAfter( paragraph );
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400 | }
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401 | else
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402 | ranges[ 0 ].selectNodeContents( paragraph );
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403 | selection.selectRanges( ranges );
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404 | }
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405 | // Maybe a single range there enclosing the whole list,
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406 | // turn on the list state manually(#4129).
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407 | else
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408 | {
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409 | var range = ranges.length == 1 && ranges[ 0 ],
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410 | enclosedNode = range && range.getEnclosedNode();
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411 | if ( enclosedNode && enclosedNode.is
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412 | && this.type == enclosedNode.getName() )
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413 | {
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414 | setState.call( this, editor, CKEDITOR.TRISTATE_ON );
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415 | }
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416 | }
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417 | }
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418 |
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419 | var bookmarks = selection.createBookmarks( true );
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420 |
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421 | // Group the blocks up because there are many cases where multiple lists have to be created,
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422 | // or multiple lists have to be cancelled.
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423 | var listGroups = [],
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424 | database = {};
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425 |
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426 | while ( ranges.length > 0 )
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427 | {
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428 | range = ranges.shift();
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429 |
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430 | var boundaryNodes = range.getBoundaryNodes(),
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431 | startNode = boundaryNodes.startNode,
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432 | endNode = boundaryNodes.endNode;
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433 |
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434 | if ( startNode.type == CKEDITOR.NODE_ELEMENT && startNode.getName() == 'td' )
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435 | range.setStartAt( boundaryNodes.startNode, CKEDITOR.POSITION_AFTER_START );
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436 |
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437 | if ( endNode.type == CKEDITOR.NODE_ELEMENT && endNode.getName() == 'td' )
|
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438 | range.setEndAt( boundaryNodes.endNode, CKEDITOR.POSITION_BEFORE_END );
|
---|
439 |
|
---|
440 | var iterator = range.createIterator(),
|
---|
441 | block;
|
---|
442 |
|
---|
443 | iterator.forceBrBreak = ( this.state == CKEDITOR.TRISTATE_OFF );
|
---|
444 |
|
---|
445 | while ( ( block = iterator.getNextParagraph() ) )
|
---|
446 | {
|
---|
447 | var path = new CKEDITOR.dom.elementPath( block ),
|
---|
448 | listNode = null,
|
---|
449 | processedFlag = false,
|
---|
450 | blockLimit = path.blockLimit,
|
---|
451 | element;
|
---|
452 |
|
---|
453 | // First, try to group by a list ancestor.
|
---|
454 | for ( var i = 0 ; i < path.elements.length &&
|
---|
455 | ( element = path.elements[ i ] ) && !element.equals( blockLimit ); i++ )
|
---|
456 | {
|
---|
457 | if ( listNodeNames[ element.getName() ] )
|
---|
458 | {
|
---|
459 | // If we've encountered a list inside a block limit
|
---|
460 | // The last group object of the block limit element should
|
---|
461 | // no longer be valid. Since paragraphs after the list
|
---|
462 | // should belong to a different group of paragraphs before
|
---|
463 | // the list. (Bug #1309)
|
---|
464 | blockLimit.removeCustomData( 'list_group_object' );
|
---|
465 |
|
---|
466 | var groupObj = element.getCustomData( 'list_group_object' );
|
---|
467 | if ( groupObj )
|
---|
468 | groupObj.contents.push( block );
|
---|
469 | else
|
---|
470 | {
|
---|
471 | groupObj = { root : element, contents : [ block ] };
|
---|
472 | listGroups.push( groupObj );
|
---|
473 | CKEDITOR.dom.element.setMarker( database, element, 'list_group_object', groupObj );
|
---|
474 | }
|
---|
475 | processedFlag = true;
|
---|
476 | break;
|
---|
477 | }
|
---|
478 | }
|
---|
479 |
|
---|
480 | if ( processedFlag )
|
---|
481 | continue;
|
---|
482 |
|
---|
483 | // No list ancestor? Group by block limit.
|
---|
484 | var root = blockLimit;
|
---|
485 | if ( root.getCustomData( 'list_group_object' ) )
|
---|
486 | root.getCustomData( 'list_group_object' ).contents.push( block );
|
---|
487 | else
|
---|
488 | {
|
---|
489 | groupObj = { root : root, contents : [ block ] };
|
---|
490 | CKEDITOR.dom.element.setMarker( database, root, 'list_group_object', groupObj );
|
---|
491 | listGroups.push( groupObj );
|
---|
492 | }
|
---|
493 | }
|
---|
494 | }
|
---|
495 |
|
---|
496 | // Now we have two kinds of list groups, groups rooted at a list, and groups rooted at a block limit element.
|
---|
497 | // We either have to build lists or remove lists, for removing a list does not makes sense when we are looking
|
---|
498 | // at the group that's not rooted at lists. So we have three cases to handle.
|
---|
499 | var listsCreated = [];
|
---|
500 | while ( listGroups.length > 0 )
|
---|
501 | {
|
---|
502 | groupObj = listGroups.shift();
|
---|
503 | if ( this.state == CKEDITOR.TRISTATE_OFF )
|
---|
504 | {
|
---|
505 | if ( listNodeNames[ groupObj.root.getName() ] )
|
---|
506 | changeListType.call( this, editor, groupObj, database, listsCreated );
|
---|
507 | else
|
---|
508 | createList.call( this, editor, groupObj, listsCreated );
|
---|
509 | }
|
---|
510 | else if ( this.state == CKEDITOR.TRISTATE_ON && listNodeNames[ groupObj.root.getName() ] )
|
---|
511 | removeList.call( this, editor, groupObj, database );
|
---|
512 | }
|
---|
513 |
|
---|
514 | // For all new lists created, merge adjacent, same type lists.
|
---|
515 | for ( i = 0 ; i < listsCreated.length ; i++ )
|
---|
516 | {
|
---|
517 | listNode = listsCreated[i];
|
---|
518 | var mergeSibling, listCommand = this;
|
---|
519 | ( mergeSibling = function( rtl ){
|
---|
520 |
|
---|
521 | var sibling = listNode[ rtl ?
|
---|
522 | 'getPrevious' : 'getNext' ]( CKEDITOR.dom.walker.whitespaces( true ) );
|
---|
523 | if ( sibling && sibling.getName &&
|
---|
524 | sibling.getName() == listCommand.type )
|
---|
525 | {
|
---|
526 | sibling.remove();
|
---|
527 | // Move children order by merge direction.(#3820)
|
---|
528 | sibling.moveChildren( listNode, rtl ? true : false );
|
---|
529 | }
|
---|
530 | } )();
|
---|
531 | mergeSibling( true );
|
---|
532 | }
|
---|
533 |
|
---|
534 | // Clean up, restore selection and update toolbar button states.
|
---|
535 | CKEDITOR.dom.element.clearAllMarkers( database );
|
---|
536 | selection.selectBookmarks( bookmarks );
|
---|
537 | editor.focus();
|
---|
538 | }
|
---|
539 | };
|
---|
540 |
|
---|
541 | CKEDITOR.plugins.add( 'list',
|
---|
542 | {
|
---|
543 | init : function( editor )
|
---|
544 | {
|
---|
545 | // Register commands.
|
---|
546 | var numberedListCommand = new listCommand( 'numberedlist', 'ol' ),
|
---|
547 | bulletedListCommand = new listCommand( 'bulletedlist', 'ul' );
|
---|
548 | editor.addCommand( 'numberedlist', numberedListCommand );
|
---|
549 | editor.addCommand( 'bulletedlist', bulletedListCommand );
|
---|
550 |
|
---|
551 | // Register the toolbar button.
|
---|
552 | editor.ui.addButton( 'NumberedList',
|
---|
553 | {
|
---|
554 | label : editor.lang.numberedlist,
|
---|
555 | command : 'numberedlist'
|
---|
556 | } );
|
---|
557 | editor.ui.addButton( 'BulletedList',
|
---|
558 | {
|
---|
559 | label : editor.lang.bulletedlist,
|
---|
560 | command : 'bulletedlist'
|
---|
561 | } );
|
---|
562 |
|
---|
563 | // Register the state changing handlers.
|
---|
564 | editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, numberedListCommand ) );
|
---|
565 | editor.on( 'selectionChange', CKEDITOR.tools.bind( onSelectionChange, bulletedListCommand ) );
|
---|
566 | },
|
---|
567 |
|
---|
568 | requires : [ 'domiterator' ]
|
---|
569 | } );
|
---|
570 | })();
|
---|