2 Copyright (c) 2003-2010, 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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7 * @fileOverview The "elementspath" plugin. It shows all elements in the DOM
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8 * parent tree relative to the current selection in the editing area.
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17 exec : function( editor )
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19 var idBase = editor._.elementsPath.idBase;
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20 var element = CKEDITOR.document.getById( idBase + '0' );
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28 var emptyHtml = '<span class="cke_empty"> </span>';
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30 CKEDITOR.plugins.add( 'elementspath',
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32 requires : [ 'selection' ],
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34 init : function( editor )
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36 var spaceId = 'cke_path_' + editor.name;
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38 var getSpaceElement = function()
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40 if ( !spaceElement )
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41 spaceElement = CKEDITOR.document.getById( spaceId );
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42 return spaceElement;
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45 var idBase = 'cke_elementspath_' + CKEDITOR.tools.getNextNumber() + '_';
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47 editor._.elementsPath = { idBase : idBase, filters : [] };
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49 editor.on( 'themeSpace', function( event )
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51 if ( event.data.space == 'bottom' )
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54 '<span id="' + spaceId + '_label" class="cke_voice_label">' + editor.lang.elementsPath.eleLabel + '</span>' +
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55 '<div id="' + spaceId + '" class="cke_path" role="group" aria-labelledby="' + spaceId + '_label">' + emptyHtml + '</div>';
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59 editor.on( 'selectionChange', function( ev )
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61 var env = CKEDITOR.env,
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62 selection = ev.data.selection,
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63 element = selection.getStartElement(),
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66 elementsList = editor._.elementsPath.list = [],
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67 filters = editor._.elementsPath.filters;
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72 for ( var i = 0; i < filters.length; i++ )
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74 if ( filters[ i ]( element ) === false )
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83 var index = elementsList.push( element ) - 1;
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85 if ( element.getAttribute( '_cke_real_element_type' ) )
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86 name = element.getAttribute( '_cke_real_element_type' );
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88 name = element.getName();
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90 // Use this variable to add conditional stuff to the
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91 // HTML (because we are doing it in reverse order... unshift).
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94 // Some browsers don't cancel key events in the keydown but in the
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96 // TODO: Check if really needed for Gecko+Mac.
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97 if ( env.opera || ( env.gecko && env.mac ) )
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98 extra += ' onkeypress="return false;"';
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100 // With Firefox, we need to force the button to redraw, otherwise it
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101 // will remain in the focus state.
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103 extra += ' onblur="this.style.cssText = this.style.cssText;"';
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105 var label = editor.lang.elementsPath.eleTitle.replace( /%1/, name );
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108 ' id="', idBase, index, '"' +
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109 ' href="javascript:void(\'', name, '\')"' +
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111 ' title="', label, '"' +
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112 ( ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 ) ?
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113 ' onfocus="event.preventBubble();"' : '' ) +
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114 ' hidefocus="true" ' +
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115 ' onkeydown="return CKEDITOR._.elementsPath.keydown(\'', editor.name, '\',', index, ', event);"' +
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117 ' onclick="return CKEDITOR._.elementsPath.click(\'', editor.name, '\',', index, ');"',
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118 ' role="button" aria-labelledby="' + idBase + index + '_label">',
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120 '<span id="', idBase, index, '_label" class="cke_label">' + label + '</span>',
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125 if ( name == 'body' )
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128 element = element.getParent();
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131 getSpaceElement().setHtml( html.join('') + emptyHtml );
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134 editor.on( 'contentDomUnload', function()
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136 // If the spaceElement hasn't been initialized, don't try to do it at this time
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137 // Only reuse existing reference.
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138 spaceElement && spaceElement.setHtml( emptyHtml );
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141 editor.addCommand( 'elementsPathFocus', commands.toolbarFocus );
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147 * Handles the click on an element in the element path.
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150 CKEDITOR._.elementsPath =
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152 click : function( instanceName, elementIndex )
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154 var editor = CKEDITOR.instances[ instanceName ];
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157 var element = editor._.elementsPath.list[ elementIndex ];
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158 editor.getSelection().selectElement( element );
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163 keydown : function( instanceName, elementIndex, ev )
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165 var instance = CKEDITOR.ui.button._.instances[ elementIndex ];
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166 var editor = CKEDITOR.instances[ instanceName ];
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167 var idBase = editor._.elementsPath.idBase;
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171 ev = new CKEDITOR.dom.event( ev );
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173 var rtl = editor.lang.dir == 'rtl';
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174 switch ( ev.getKeystroke() )
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176 case rtl ? 39 : 37 : // LEFT-ARROW
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178 element = CKEDITOR.document.getById( idBase + ( elementIndex + 1 ) );
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180 element = CKEDITOR.document.getById( idBase + '0' );
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184 case rtl ? 37 : 39 : // RIGHT-ARROW
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185 case CKEDITOR.SHIFT + 9 : // SHIFT + TAB
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186 element = CKEDITOR.document.getById( idBase + ( elementIndex - 1 ) );
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188 element = CKEDITOR.document.getById( idBase + ( editor._.elementsPath.list.length - 1 ) );
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196 case 13 : // ENTER // Opera
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198 this.click( instanceName, elementIndex );
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202 // alert( ev.getKeystroke() );
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