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 | * @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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9 | */
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10 |
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11 | (function()
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12 | {
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13 | var commands =
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14 | {
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15 | toolbarFocus :
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16 | {
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17 | exec : function( editor )
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18 | {
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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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21 |
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22 | if ( element )
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23 | element.focus();
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24 | }
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25 | }
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26 | };
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27 |
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28 | var emptyHtml = '<span class="cke_empty"> </span>';
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29 |
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30 | CKEDITOR.plugins.add( 'elementspath',
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31 | {
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32 | requires : [ 'selection' ],
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33 |
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34 | init : function( editor )
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35 | {
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36 | var spaceId = 'cke_path_' + editor.name;
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37 | var spaceElement;
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38 | var getSpaceElement = function()
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39 | {
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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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43 | };
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44 |
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45 | var idBase = 'cke_elementspath_' + CKEDITOR.tools.getNextNumber() + '_';
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46 |
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47 | editor._.elementsPath = { idBase : idBase };
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48 |
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49 | editor.on( 'themeSpace', function( event )
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50 | {
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51 | if ( event.data.space == 'bottom' )
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52 | event.data.html += '<div id="' + spaceId + '" class="cke_path">' + emptyHtml + '</div>';
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53 | });
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54 |
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55 | editor.on( 'selectionChange', function( ev )
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56 | {
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57 | var env = CKEDITOR.env;
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58 |
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59 | var selection = ev.data.selection;
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60 |
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61 | var element = selection.getStartElement(),
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62 | html = [],
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63 | elementsList = this._.elementsPath.list = [];
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64 |
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65 | while ( element )
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66 | {
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67 | var index = elementsList.push( element ) - 1;
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68 | var name;
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69 | if ( element.getAttribute( '_cke_real_element_type' ) )
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70 | name = element.getAttribute( '_cke_real_element_type' );
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71 | else
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72 | name = element.getName();
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73 |
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74 | // Use this variable to add conditional stuff to the
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75 | // HTML (because we are doing it in reverse order... unshift).
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76 | var extra = '';
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77 |
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78 | // Some browsers don't cancel key events in the keydown but in the
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79 | // keypress.
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80 | // TODO: Check if really needed for Gecko+Mac.
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81 | if ( env.opera || ( env.gecko && env.mac ) )
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82 | extra += ' onkeypress="return false;"';
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83 |
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84 | // With Firefox, we need to force the button to redraw, otherwise it
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85 | // will remain in the focus state.
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86 | if ( env.gecko )
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87 | extra += ' onblur="this.style.cssText = this.style.cssText;"';
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88 |
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89 | html.unshift(
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90 | '<a' +
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91 | ' id="', idBase, index, '"' +
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92 | ' href="javascript:void(\'', name, '\')"' +
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93 | ' tabindex="-1"' +
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94 | ' title="', editor.lang.elementsPath.eleTitle.replace( /%1/, name ), '"' +
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95 | ( ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 ) ?
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96 | ' onfocus="event.preventBubble();"' : '' ) +
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97 | ' hidefocus="true" ' +
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98 | ' onkeydown="return CKEDITOR._.elementsPath.keydown(\'', this.name, '\',', index, ', event);"' +
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99 | extra ,
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100 | ' onclick="return CKEDITOR._.elementsPath.click(\'', this.name, '\',', index, ');">',
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101 | name,
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102 | '</a>' );
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103 |
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104 | if ( name == 'body' )
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105 | break;
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106 |
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107 | element = element.getParent();
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108 | }
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109 |
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110 | getSpaceElement().setHtml( html.join('') + emptyHtml );
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111 | });
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112 |
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113 | editor.on( 'contentDomUnload', function()
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114 | {
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115 | getSpaceElement().setHtml( emptyHtml );
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116 | });
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117 |
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118 | editor.addCommand( 'elementsPathFocus', commands.toolbarFocus );
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119 | }
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120 | });
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121 | })();
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122 |
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123 | /**
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124 | * Handles the click on an element in the element path.
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125 | * @private
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126 | */
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127 | CKEDITOR._.elementsPath =
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128 | {
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129 | click : function( instanceName, elementIndex )
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130 | {
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131 | var editor = CKEDITOR.instances[ instanceName ];
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132 | editor.focus();
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133 |
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134 | var element = editor._.elementsPath.list[ elementIndex ];
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135 | editor.getSelection().selectElement( element );
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136 |
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137 | return false;
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138 | },
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139 |
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140 | keydown : function( instanceName, elementIndex, ev )
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141 | {
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142 | var instance = CKEDITOR.ui.button._.instances[ elementIndex ];
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143 | var editor = CKEDITOR.instances[ instanceName ];
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144 | var idBase = editor._.elementsPath.idBase;
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145 |
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146 | var element;
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147 |
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148 | ev = new CKEDITOR.dom.event( ev );
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149 |
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150 | switch ( ev.getKeystroke() )
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151 | {
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152 | case 37 : // LEFT-ARROW
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153 | case 9 : // TAB
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154 | element = CKEDITOR.document.getById( idBase + ( elementIndex + 1 ) );
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155 | if ( !element )
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156 | element = CKEDITOR.document.getById( idBase + '0' );
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157 | element.focus();
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158 | return false;
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159 |
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160 | case 39 : // RIGHT-ARROW
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161 | case CKEDITOR.SHIFT + 9 : // SHIFT + TAB
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162 | element = CKEDITOR.document.getById( idBase + ( elementIndex - 1 ) );
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163 | if ( !element )
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164 | element = CKEDITOR.document.getById( idBase + ( editor._.elementsPath.list.length - 1 ) );
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165 | element.focus();
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166 | return false;
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167 |
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168 | case 27 : // ESC
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169 | editor.focus();
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170 | return false;
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171 |
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172 | case 13 : // ENTER // Opera
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173 | case 32 : // SPACE
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174 | this.click( instanceName, elementIndex );
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175 | return false;
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176 |
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177 | //default :
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178 | // alert( ev.getKeystroke() );
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179 | }
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180 | return true;
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181 | }
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182 | };
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