1 | /* |
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2 | * FCKeditor - The text editor for internet |
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3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben |
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4 | * |
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5 | * Licensed under the terms of the GNU Lesser General Public License: |
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6 | * http://www.opensource.org/licenses/lgpl-license.php |
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7 | * |
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8 | * For further information visit: |
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9 | * http://www.fckeditor.net/ |
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10 | * |
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11 | * "Support Open Source software. What about a donation today?" |
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12 | * |
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13 | * File Name: fckplugin.js |
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14 | * Plugin to insert "Placeholders" in the editor. |
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15 | * |
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16 | * File Authors: |
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17 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
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18 | */ |
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19 | |
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20 | // Register the related command. |
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21 | FCKCommands.RegisterCommand( 'Placeholder', new FCKDialogCommand( 'Placeholder', FCKLang.PlaceholderDlgTitle, FCKPlugins.Items['placeholder'].Path + 'fck_placeholder.html', 340, 170 ) ) ; |
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22 | |
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23 | // Create the "Plaholder" toolbar button. |
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24 | var oPlaceholderItem = new FCKToolbarButton( 'Placeholder', FCKLang.PlaceholderBtn ) ; |
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25 | oPlaceholderItem.IconPath = FCKPlugins.Items['placeholder'].Path + 'placeholder.gif' ; |
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26 | |
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27 | FCKToolbarItems.RegisterItem( 'Placeholder', oPlaceholderItem ) ; |
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28 | |
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29 | |
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30 | // The object used for all Placeholder operations. |
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31 | var FCKPlaceholders = new Object() ; |
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32 | |
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33 | // Add a new placeholder at the actual selection. |
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34 | FCKPlaceholders.Add = function( name ) |
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35 | { |
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36 | var oSpan = FCK.CreateElement( 'SPAN' ) ; |
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37 | this.SetupSpan( oSpan, name ) ; |
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38 | } |
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39 | |
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40 | FCKPlaceholders.SetupSpan = function( span, name ) |
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41 | { |
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42 | span.innerHTML = '[[ ' + name + ' ]]' ; |
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43 | |
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44 | span.style.backgroundColor = '#ffff00' ; |
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45 | span.style.color = '#000000' ; |
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46 | |
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47 | if ( FCKBrowserInfo.IsGecko ) |
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48 | span.style.cursor = 'default' ; |
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49 | |
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50 | span._fckplaceholder = name ; |
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51 | span.contentEditable = false ; |
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52 | |
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53 | // To avoid it to be resized. |
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54 | span.onresizestart = function() |
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55 | { |
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56 | FCK.EditorWindow.event.returnValue = false ; |
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57 | return false ; |
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58 | } |
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59 | } |
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60 | |
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61 | // On Gecko we must do this trick so the user select all the SPAN when clicking on it. |
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62 | FCKPlaceholders._SetupClickListener = function() |
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63 | { |
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64 | FCKPlaceholders._ClickListener = function( e ) |
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65 | { |
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66 | if ( e.target.tagName == 'SPAN' && e.target._fckplaceholder ) |
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67 | FCKSelection.SelectNode( e.target ) ; |
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68 | } |
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69 | |
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70 | FCK.EditorDocument.addEventListener( 'click', FCKPlaceholders._ClickListener, true ) ; |
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71 | } |
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72 | |
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73 | // Open the Placeholder dialog on double click. |
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74 | FCKPlaceholders.OnDoubleClick = function( span ) |
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75 | { |
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76 | if ( span.tagName == 'SPAN' && span._fckplaceholder ) |
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77 | FCKCommands.GetCommand( 'Placeholder' ).Execute() ; |
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78 | } |
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79 | |
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80 | FCK.RegisterDoubleClickHandler( FCKPlaceholders.OnDoubleClick, 'SPAN' ) ; |
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81 | |
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82 | // Check if a Placholder name is already in use. |
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83 | FCKPlaceholders.Exist = function( name ) |
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84 | { |
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85 | var aSpans = FCK.EditorDocument.getElementsByTagName( 'SPAN' ) |
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86 | |
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87 | for ( var i = 0 ; i < aSpans.length ; i++ ) |
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88 | { |
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89 | if ( aSpans[i]._fckplaceholder == name ) |
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90 | return true ; |
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91 | } |
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92 | } |
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93 | |
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94 | if ( FCKBrowserInfo.IsIE ) |
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95 | { |
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96 | FCKPlaceholders.Redraw = function() |
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97 | { |
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98 | var aPlaholders = FCK.EditorDocument.body.innerText.match( /\[\[[^\[\]]+\]\]/g ) ; |
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99 | if ( !aPlaholders ) |
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100 | return ; |
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101 | |
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102 | var oRange = FCK.EditorDocument.body.createTextRange() ; |
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103 | |
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104 | for ( var i = 0 ; i < aPlaholders.length ; i++ ) |
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105 | { |
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106 | if ( oRange.findText( aPlaholders[i] ) ) |
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107 | { |
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108 | var sName = aPlaholders[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ; |
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109 | oRange.pasteHTML( '<span style="color: #000000; background-color: #ffff00" contenteditable="false" _fckplaceholder="' + sName + '">' + aPlaholders[i] + '</span>' ) ; |
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110 | } |
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111 | } |
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112 | } |
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113 | } |
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114 | else |
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115 | { |
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116 | FCKPlaceholders.Redraw = function() |
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117 | { |
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118 | var oInteractor = FCK.EditorDocument.createTreeWalker( FCK.EditorDocument.body, NodeFilter.SHOW_TEXT, FCKPlaceholders._AcceptNode, true ) ; |
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119 | |
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120 | var aNodes = new Array() ; |
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121 | |
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122 | while ( oNode = oInteractor.nextNode() ) |
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123 | { |
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124 | aNodes[ aNodes.length ] = oNode ; |
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125 | } |
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126 | |
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127 | for ( var n = 0 ; n < aNodes.length ; n++ ) |
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128 | { |
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129 | var aPieces = aNodes[n].nodeValue.split( /(\[\[[^\[\]]+\]\])/g ) ; |
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130 | |
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131 | for ( var i = 0 ; i < aPieces.length ; i++ ) |
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132 | { |
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133 | if ( aPieces[i].length > 0 ) |
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134 | { |
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135 | if ( aPieces[i].indexOf( '[[' ) == 0 ) |
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136 | { |
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137 | var sName = aPieces[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ; |
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138 | |
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139 | var oSpan = FCK.EditorDocument.createElement( 'span' ) ; |
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140 | FCKPlaceholders.SetupSpan( oSpan, sName ) ; |
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141 | |
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142 | aNodes[n].parentNode.insertBefore( oSpan, aNodes[n] ) ; |
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143 | } |
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144 | else |
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145 | aNodes[n].parentNode.insertBefore( FCK.EditorDocument.createTextNode( aPieces[i] ) , aNodes[n] ) ; |
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146 | } |
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147 | } |
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148 | |
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149 | aNodes[n].parentNode.removeChild( aNodes[n] ) ; |
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150 | } |
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151 | |
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152 | FCKPlaceholders._SetupClickListener() ; |
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153 | } |
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154 | |
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155 | FCKPlaceholders._AcceptNode = function( node ) |
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156 | { |
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157 | if ( /\[\[[^\[\]]+\]\]/.test( node.nodeValue ) ) |
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158 | return NodeFilter.FILTER_ACCEPT ; |
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159 | else |
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160 | return NodeFilter.FILTER_SKIP ; |
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161 | } |
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162 | } |
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163 | |
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164 | FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKPlaceholders.Redraw ) ; |
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165 | |
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166 | // We must process the SPAN tags to replace then with the real resulting value of the placeholder. |
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167 | FCKXHtml.TagProcessors['span'] = function( node, htmlNode ) |
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168 | { |
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169 | if ( htmlNode._fckplaceholder ) |
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170 | node = FCKXHtml.XML.createTextNode( '[[' + htmlNode._fckplaceholder + ']]' ) ; |
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171 | else |
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172 | FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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173 | |
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174 | return node ; |
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175 | } |
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