[1575] | 1 | <?php
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| 2 | /*
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| 3 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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| 4 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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| 5 | *
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| 6 | * == BEGIN LICENSE ==
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| 7 | *
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| 8 | * Licensed under the terms of any of the following licenses at your
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| 9 | * choice:
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| 10 | *
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| 11 | * - GNU General Public License Version 2 or later (the "GPL")
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| 12 | * http://www.gnu.org/licenses/gpl.html
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| 13 | *
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| 14 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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| 15 | * http://www.gnu.org/licenses/lgpl.html
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| 16 | *
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| 17 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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| 18 | * http://www.mozilla.org/MPL/MPL-1.1.html
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| 19 | *
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| 20 | * == END LICENSE ==
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| 21 | *
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| 22 | * This is the integration file for PHP 5.
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| 23 | *
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| 24 | * It defines the FCKeditor class that can be used to create editor
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| 25 | * instances in PHP pages on server side.
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| 26 | */
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| 27 |
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| 28 | /**
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| 29 | * Check if browser is compatible with FCKeditor.
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| 30 | * Return true if is compatible.
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| 31 | *
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| 32 | * @return boolean
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| 33 | */
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| 34 | function FCKeditor_IsCompatibleBrowser()
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| 35 | {
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| 36 | if ( isset( $_SERVER ) ) {
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| 37 | $sAgent = $_SERVER['HTTP_USER_AGENT'] ;
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| 38 | }
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| 39 | else {
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| 40 | global $HTTP_SERVER_VARS ;
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| 41 | if ( isset( $HTTP_SERVER_VARS ) ) {
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| 42 | $sAgent = $HTTP_SERVER_VARS['HTTP_USER_AGENT'] ;
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| 43 | }
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| 44 | else {
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| 45 | global $HTTP_USER_AGENT ;
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| 46 | $sAgent = $HTTP_USER_AGENT ;
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | if ( strpos($sAgent, 'MSIE') !== false && strpos($sAgent, 'mac') === false && strpos($sAgent, 'Opera') === false )
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| 51 | {
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| 52 | $iVersion = (float)substr($sAgent, strpos($sAgent, 'MSIE') + 5, 3) ;
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| 53 | return ($iVersion >= 5.5) ;
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| 54 | }
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| 55 | else if ( strpos($sAgent, 'Gecko/') !== false )
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| 56 | {
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| 57 | $iVersion = (int)substr($sAgent, strpos($sAgent, 'Gecko/') + 6, 8) ;
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| 58 | return ($iVersion >= 20030210) ;
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| 59 | }
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| 60 | else if ( strpos($sAgent, 'Opera/') !== false )
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| 61 | {
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| 62 | $fVersion = (float)substr($sAgent, strpos($sAgent, 'Opera/') + 6, 4) ;
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| 63 | return ($fVersion >= 9.5) ;
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| 64 | }
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| 65 | else if ( preg_match( "|AppleWebKit/(\d+)|i", $sAgent, $matches ) )
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| 66 | {
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| 67 | $iVersion = $matches[1] ;
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| 68 | return ( $matches[1] >= 522 ) ;
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| 69 | }
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| 70 | else
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| 71 | return false ;
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| 72 | }
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| 73 |
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| 74 | class FCKeditor
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| 75 | {
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| 76 | /**
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| 77 | * Name of the FCKeditor instance.
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| 78 | *
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| 79 | * @access protected
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| 80 | * @var string
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| 81 | */
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| 82 | public $InstanceName ;
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| 83 | /**
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| 84 | * Path to FCKeditor relative to the document root.
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| 85 | *
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| 86 | * @var string
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| 87 | */
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| 88 | public $BasePath ;
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| 89 | /**
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| 90 | * Width of the FCKeditor.
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| 91 | * Examples: 100%, 600
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| 92 | *
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| 93 | * @var mixed
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| 94 | */
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| 95 | public $Width ;
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| 96 | /**
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| 97 | * Height of the FCKeditor.
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| 98 | * Examples: 400, 50%
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| 99 | *
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| 100 | * @var mixed
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| 101 | */
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| 102 | public $Height ;
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| 103 | /**
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| 104 | * Name of the toolbar to load.
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| 105 | *
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| 106 | * @var string
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| 107 | */
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| 108 | public $ToolbarSet ;
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| 109 | /**
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| 110 | * Initial value.
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| 111 | *
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| 112 | * @var string
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| 113 | */
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| 114 | public $Value ;
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| 115 | /**
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| 116 | * This is where additional configuration can be passed.
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| 117 | * Example:
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| 118 | * $oFCKeditor->Config['EnterMode'] = 'br';
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| 119 | *
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| 120 | * @var array
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| 121 | */
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| 122 | public $Config ;
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| 123 |
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| 124 | /**
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| 125 | * Main Constructor.
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| 126 | * Refer to the _samples/php directory for examples.
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| 127 | *
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| 128 | * @param string $instanceName
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| 129 | */
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| 130 | public function __construct( $instanceName )
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| 131 | {
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| 132 | $this->InstanceName = $instanceName ;
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| 133 | $this->BasePath = '/fckeditor/' ;
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| 134 | $this->Width = '100%' ;
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| 135 | $this->Height = '200' ;
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| 136 | $this->ToolbarSet = 'Default' ;
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| 137 | $this->Value = '' ;
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| 138 |
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| 139 | $this->Config = array() ;
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| 140 | }
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| 141 |
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| 142 | /**
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| 143 | * Display FCKeditor.
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| 144 | *
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| 145 | */
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| 146 | public function Create()
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| 147 | {
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| 148 | echo $this->CreateHtml() ;
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| 149 | }
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| 150 |
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| 151 | /**
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| 152 | * Return the HTML code required to run FCKeditor.
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| 153 | *
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| 154 | * @return string
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| 155 | */
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| 156 | public function CreateHtml()
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| 157 | {
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| 158 | $HtmlValue = htmlspecialchars( $this->Value ) ;
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| 159 |
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| 160 | $Html = '' ;
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| 161 |
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| 162 | if ( $this->IsCompatible() )
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| 163 | {
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| 164 | if ( isset( $_GET['fcksource'] ) && $_GET['fcksource'] == "true" )
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| 165 | $File = 'fckeditor.original.html' ;
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| 166 | else
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| 167 | $File = 'fckeditor.html' ;
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| 168 |
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| 169 | $Link = "{$this->BasePath}editor/{$File}?InstanceName={$this->InstanceName}" ;
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| 170 |
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| 171 | if ( $this->ToolbarSet != '' )
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| 172 | $Link .= "&Toolbar={$this->ToolbarSet}" ;
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| 173 |
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| 174 | // Render the linked hidden field.
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| 175 | $Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}\" name=\"{$this->InstanceName}\" value=\"{$HtmlValue}\" style=\"display:none\" />" ;
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| 176 |
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| 177 | // Render the configurations hidden field.
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| 178 | $Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}___Config\" value=\"" . $this->GetConfigFieldString() . "\" style=\"display:none\" />" ;
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| 179 |
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| 180 | // Render the editor IFRAME.
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| 181 | $Html .= "<iframe id=\"{$this->InstanceName}___Frame\" src=\"{$Link}\" width=\"{$this->Width}\" height=\"{$this->Height}\" frameborder=\"0\" scrolling=\"no\"></iframe>" ;
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| 182 | }
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| 183 | else
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| 184 | {
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| 185 | if ( strpos( $this->Width, '%' ) === false )
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| 186 | $WidthCSS = $this->Width . 'px' ;
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| 187 | else
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| 188 | $WidthCSS = $this->Width ;
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| 189 |
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| 190 | if ( strpos( $this->Height, '%' ) === false )
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| 191 | $HeightCSS = $this->Height . 'px' ;
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| 192 | else
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| 193 | $HeightCSS = $this->Height ;
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| 194 |
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| 195 | $Html .= "<textarea name=\"{$this->InstanceName}\" rows=\"4\" cols=\"40\" style=\"width: {$WidthCSS}; height: {$HeightCSS}\">{$HtmlValue}</textarea>" ;
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| 196 | }
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| 197 |
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| 198 | return $Html ;
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| 199 | }
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| 200 |
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| 201 | /**
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| 202 | * Returns true if browser is compatible with FCKeditor.
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| 203 | *
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| 204 | * @return boolean
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| 205 | */
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| 206 | public function IsCompatible()
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| 207 | {
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| 208 | return FCKeditor_IsCompatibleBrowser() ;
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| 209 | }
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| 210 |
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| 211 | /**
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| 212 | * Get settings from Config array as a single string.
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| 213 | *
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| 214 | * @access protected
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| 215 | * @return string
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| 216 | */
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| 217 | public function GetConfigFieldString()
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| 218 | {
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| 219 | $sParams = '' ;
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| 220 | $bFirst = true ;
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| 221 |
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| 222 | foreach ( $this->Config as $sKey => $sValue )
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| 223 | {
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| 224 | if ( $bFirst == false )
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| 225 | $sParams .= '&' ;
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| 226 | else
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| 227 | $bFirst = false ;
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| 228 |
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| 229 | if ( $sValue === true )
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| 230 | $sParams .= $this->EncodeConfig( $sKey ) . '=true' ;
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| 231 | else if ( $sValue === false )
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| 232 | $sParams .= $this->EncodeConfig( $sKey ) . '=false' ;
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| 233 | else
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| 234 | $sParams .= $this->EncodeConfig( $sKey ) . '=' . $this->EncodeConfig( $sValue ) ;
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| 235 | }
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| 236 |
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| 237 | return $sParams ;
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| 238 | }
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| 239 |
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| 240 | /**
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| 241 | * Encode characters that may break the configuration string
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| 242 | * generated by GetConfigFieldString().
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| 243 | *
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| 244 | * @access protected
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| 245 | * @param string $valueToEncode
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| 246 | * @return string
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| 247 | */
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| 248 | public function EncodeConfig( $valueToEncode )
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| 249 | {
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| 250 | $chars = array(
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| 251 | '&' => '%26',
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| 252 | '=' => '%3D',
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| 253 | '"' => '%22' ) ;
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| 254 |
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| 255 | return strtr( $valueToEncode, $chars ) ;
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| 256 | }
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| 257 | }
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