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1 <?php
2 /*
3 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
4 * Copyright (C) 2003-2008 Frederico Caldeira Knabben
5 *
6 * == BEGIN LICENSE ==
7 *
8 * Licensed under the terms of any of the following licenses at your
9 * choice:
10 *
11 * - GNU General Public License Version 2 or later (the "GPL")
12 * http://www.gnu.org/licenses/gpl.html
13 *
14 * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
15 * http://www.gnu.org/licenses/lgpl.html
16 *
17 * - Mozilla Public License Version 1.1 or later (the "MPL")
18 * http://www.mozilla.org/MPL/MPL-1.1.html
19 *
20 * == END LICENSE ==
21 *
22 * This is the integration file for PHP 4.
23 *
24 * It defines the FCKeditor class that can be used to create editor
25 * instances in PHP pages on server side.
26 */
27
28 /**
29 * Check if browser is compatible with FCKeditor.
30 * Return true if is compatible.
31 *
32 * @return boolean
33 */
34 function FCKeditor_IsCompatibleBrowser()
35 {
36 if ( isset( $_SERVER ) ) {
37 $sAgent = $_SERVER['HTTP_USER_AGENT'] ;
38 }
39 else {
40 global $HTTP_SERVER_VARS ;
41 if ( isset( $HTTP_SERVER_VARS ) ) {
42 $sAgent = $HTTP_SERVER_VARS['HTTP_USER_AGENT'] ;
43 }
44 else {
45 global $HTTP_USER_AGENT ;
46 $sAgent = $HTTP_USER_AGENT ;
47 }
48 }
49
50 if ( strpos($sAgent, 'MSIE') !== false && strpos($sAgent, 'mac') === false && strpos($sAgent, 'Opera') === false )
51 {
52 $iVersion = (float)substr($sAgent, strpos($sAgent, 'MSIE') + 5, 3) ;
53 return ($iVersion >= 5.5) ;
54 }
55 else if ( strpos($sAgent, 'Gecko/') !== false )
56 {
57 $iVersion = (int)substr($sAgent, strpos($sAgent, 'Gecko/') + 6, 8) ;
58 return ($iVersion >= 20030210) ;
59 }
60 else if ( strpos($sAgent, 'Opera/') !== false )
61 {
62 $fVersion = (float)substr($sAgent, strpos($sAgent, 'Opera/') + 6, 4) ;
63 return ($fVersion >= 9.5) ;
64 }
65 else if ( preg_match( "|AppleWebKit/(\d+)|i", $sAgent, $matches ) )
66 {
67 $iVersion = $matches[1] ;
68 return ( $matches[1] >= 522 ) ;
69 }
70 else
71 return false ;
72 }
73
74 class FCKeditor
75 {
76 /**
77 * Name of the FCKeditor instance.
78 *
79 * @access protected
80 * @var string
81 */
82 var $InstanceName ;
83 /**
84 * Path to FCKeditor relative to the document root.
85 *
86 * @var string
87 */
88 var $BasePath ;
89 /**
90 * Width of the FCKeditor.
91 * Examples: 100%, 600
92 *
93 * @var mixed
94 */
95 var $Width ;
96 /**
97 * Height of the FCKeditor.
98 * Examples: 400, 50%
99 *
100 * @var mixed
101 */
102 var $Height ;
103 /**
104 * Name of the toolbar to load.
105 *
106 * @var string
107 */
108 var $ToolbarSet ;
109 /**
110 * Initial value.
111 *
112 * @var string
113 */
114 var $Value ;
115 /**
116 * This is where additional configuration can be passed.
117 * Example:
118 * $oFCKeditor->Config['EnterMode'] = 'br';
119 *
120 * @var array
121 */
122 var $Config ;
123
124 /**
125 * Main Constructor.
126 * Refer to the _samples/php directory for examples.
127 *
128 * @param string $instanceName
129 */
130 function FCKeditor( $instanceName )
131 {
132 $this->InstanceName = $instanceName ;
133 $this->BasePath = '/fckeditor/' ;
134 $this->Width = '100%' ;
135 $this->Height = '400' ;
136 $this->ToolbarSet = 'Default' ;
137 $this->Value = '' ;
138
139 $this->Config = array() ;
140 }
141
142 /**
143 * Display FCKeditor.
144 *
145 */
146 function Create()
147 {
148 echo $this->CreateHtml() ;
149 }
150
151 /**
152 * Return the HTML code required to run FCKeditor.
153 *
154 * @return string
155 */
156 function CreateHtml()
157 {
158 $HtmlValue = htmlspecialchars( $this->Value ) ;
159
160 $Html = '' ;
161
162 if ( !isset( $_GET ) ) {
163 global $HTTP_GET_VARS ;
164 $_GET = $HTTP_GET_VARS ;
165 }
166
167 if ( $this->IsCompatible() )
168 {
169 if ( isset( $_GET['fcksource'] ) && $_GET['fcksource'] == "true" )
170 $File = 'fckeditor.original.html' ;
171 else
172 $File = 'fckeditor.html' ;
173
174 $Link = "{$this->BasePath}editor/{$File}?InstanceName={$this->InstanceName}" ;
175
176 if ( $this->ToolbarSet != '' )
177 $Link .= "&Toolbar={$this->ToolbarSet}" ;
178
179 // Render the linked hidden field.
180 $Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}\" name=\"{$this->InstanceName}\" value=\"{$HtmlValue}\" style=\"display:none\" />" ;
181
182 // Render the configurations hidden field.
183 $Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}___Config\" value=\"" . $this->GetConfigFieldString() . "\" style=\"display:none\" />" ;
184
185 // Render the editor IFRAME.
186 $Html .= "<iframe id=\"{$this->InstanceName}___Frame\" src=\"{$Link}\" width=\"{$this->Width}\" height=\"{$this->Height}\" frameborder=\"0\" scrolling=\"no\"></iframe>" ;
187 }
188 else
189 {
190 if ( strpos( $this->Width, '%' ) === false )
191 $WidthCSS = $this->Width . 'px' ;
192 else
193 $WidthCSS = $this->Width ;
194
195 if ( strpos( $this->Height, '%' ) === false )
196 $HeightCSS = $this->Height . 'px' ;
197 else
198 $HeightCSS = $this->Height ;
199
200 $Html .= "<textarea name=\"{$this->InstanceName}\" rows=\"4\" cols=\"40\" style=\"width: {$WidthCSS}; height: {$HeightCSS}\">{$HtmlValue}</textarea>" ;
201 }
202
203 return $Html ;
204 }
205
206 /**
207 * Returns true if browser is compatible with FCKeditor.
208 *
209 * @return boolean
210 */
211 function IsCompatible()
212 {
213 return FCKeditor_IsCompatibleBrowser() ;
214 }
215
216 /**
217 * Get settings from Config array as a single string.
218 *
219 * @access protected
220 * @return string
221 */
222 function GetConfigFieldString()
223 {
224 $sParams = '' ;
225 $bFirst = true ;
226
227 foreach ( $this->Config as $sKey => $sValue )
228 {
229 if ( $bFirst == false )
230 $sParams .= '&' ;
231 else
232 $bFirst = false ;
233
234 if ( $sValue === true )
235 $sParams .= $this->EncodeConfig( $sKey ) . '=true' ;
236 else if ( $sValue === false )
237 $sParams .= $this->EncodeConfig( $sKey ) . '=false' ;
238 else
239 $sParams .= $this->EncodeConfig( $sKey ) . '=' . $this->EncodeConfig( $sValue ) ;
240 }
241
242 return $sParams ;
243 }
244
245 /**
246 * Encode characters that may break the configuration string
247 * generated by GetConfigFieldString().
248 *
249 * @access protected
250 * @param string $valueToEncode
251 * @return string
252 */
253 function EncodeConfig( $valueToEncode )
254 {
255 $chars = array(
256 '&' => '%26',
257 '=' => '%3D',
258 '"' => '%22' ) ;
259
260 return strtr( $valueToEncode, $chars ) ;
261 }
262 }
2 /*
3 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
4 * Copyright (C) 2003-2008 Frederico Caldeira Knabben
5 *
6 * == BEGIN LICENSE ==
7 *
8 * Licensed under the terms of any of the following licenses at your
9 * choice:
10 *
11 * - GNU General Public License Version 2 or later (the "GPL")
12 * http://www.gnu.org/licenses/gpl.html
13 *
14 * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
15 * http://www.gnu.org/licenses/lgpl.html
16 *
17 * - Mozilla Public License Version 1.1 or later (the "MPL")
18 * http://www.mozilla.org/MPL/MPL-1.1.html
19 *
20 * == END LICENSE ==
21 *
22 * This is the integration file for PHP 4.
23 *
24 * It defines the FCKeditor class that can be used to create editor
25 * instances in PHP pages on server side.
26 */
27
28 /**
29 * Check if browser is compatible with FCKeditor.
30 * Return true if is compatible.
31 *
32 * @return boolean
33 */
34 function FCKeditor_IsCompatibleBrowser()
35 {
36 if ( isset( $_SERVER ) ) {
37 $sAgent = $_SERVER['HTTP_USER_AGENT'] ;
38 }
39 else {
40 global $HTTP_SERVER_VARS ;
41 if ( isset( $HTTP_SERVER_VARS ) ) {
42 $sAgent = $HTTP_SERVER_VARS['HTTP_USER_AGENT'] ;
43 }
44 else {
45 global $HTTP_USER_AGENT ;
46 $sAgent = $HTTP_USER_AGENT ;
47 }
48 }
49
50 if ( strpos($sAgent, 'MSIE') !== false && strpos($sAgent, 'mac') === false && strpos($sAgent, 'Opera') === false )
51 {
52 $iVersion = (float)substr($sAgent, strpos($sAgent, 'MSIE') + 5, 3) ;
53 return ($iVersion >= 5.5) ;
54 }
55 else if ( strpos($sAgent, 'Gecko/') !== false )
56 {
57 $iVersion = (int)substr($sAgent, strpos($sAgent, 'Gecko/') + 6, 8) ;
58 return ($iVersion >= 20030210) ;
59 }
60 else if ( strpos($sAgent, 'Opera/') !== false )
61 {
62 $fVersion = (float)substr($sAgent, strpos($sAgent, 'Opera/') + 6, 4) ;
63 return ($fVersion >= 9.5) ;
64 }
65 else if ( preg_match( "|AppleWebKit/(\d+)|i", $sAgent, $matches ) )
66 {
67 $iVersion = $matches[1] ;
68 return ( $matches[1] >= 522 ) ;
69 }
70 else
71 return false ;
72 }
73
74 class FCKeditor
75 {
76 /**
77 * Name of the FCKeditor instance.
78 *
79 * @access protected
80 * @var string
81 */
82 var $InstanceName ;
83 /**
84 * Path to FCKeditor relative to the document root.
85 *
86 * @var string
87 */
88 var $BasePath ;
89 /**
90 * Width of the FCKeditor.
91 * Examples: 100%, 600
92 *
93 * @var mixed
94 */
95 var $Width ;
96 /**
97 * Height of the FCKeditor.
98 * Examples: 400, 50%
99 *
100 * @var mixed
101 */
102 var $Height ;
103 /**
104 * Name of the toolbar to load.
105 *
106 * @var string
107 */
108 var $ToolbarSet ;
109 /**
110 * Initial value.
111 *
112 * @var string
113 */
114 var $Value ;
115 /**
116 * This is where additional configuration can be passed.
117 * Example:
118 * $oFCKeditor->Config['EnterMode'] = 'br';
119 *
120 * @var array
121 */
122 var $Config ;
123
124 /**
125 * Main Constructor.
126 * Refer to the _samples/php directory for examples.
127 *
128 * @param string $instanceName
129 */
130 function FCKeditor( $instanceName )
131 {
132 $this->InstanceName = $instanceName ;
133 $this->BasePath = '/fckeditor/' ;
134 $this->Width = '100%' ;
135 $this->Height = '400' ;
136 $this->ToolbarSet = 'Default' ;
137 $this->Value = '' ;
138
139 $this->Config = array() ;
140 }
141
142 /**
143 * Display FCKeditor.
144 *
145 */
146 function Create()
147 {
148 echo $this->CreateHtml() ;
149 }
150
151 /**
152 * Return the HTML code required to run FCKeditor.
153 *
154 * @return string
155 */
156 function CreateHtml()
157 {
158 $HtmlValue = htmlspecialchars( $this->Value ) ;
159
160 $Html = '' ;
161
162 if ( !isset( $_GET ) ) {
163 global $HTTP_GET_VARS ;
164 $_GET = $HTTP_GET_VARS ;
165 }
166
167 if ( $this->IsCompatible() )
168 {
169 if ( isset( $_GET['fcksource'] ) && $_GET['fcksource'] == "true" )
170 $File = 'fckeditor.original.html' ;
171 else
172 $File = 'fckeditor.html' ;
173
174 $Link = "{$this->BasePath}editor/{$File}?InstanceName={$this->InstanceName}" ;
175
176 if ( $this->ToolbarSet != '' )
177 $Link .= "&Toolbar={$this->ToolbarSet}" ;
178
179 // Render the linked hidden field.
180 $Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}\" name=\"{$this->InstanceName}\" value=\"{$HtmlValue}\" style=\"display:none\" />" ;
181
182 // Render the configurations hidden field.
183 $Html .= "<input type=\"hidden\" id=\"{$this->InstanceName}___Config\" value=\"" . $this->GetConfigFieldString() . "\" style=\"display:none\" />" ;
184
185 // Render the editor IFRAME.
186 $Html .= "<iframe id=\"{$this->InstanceName}___Frame\" src=\"{$Link}\" width=\"{$this->Width}\" height=\"{$this->Height}\" frameborder=\"0\" scrolling=\"no\"></iframe>" ;
187 }
188 else
189 {
190 if ( strpos( $this->Width, '%' ) === false )
191 $WidthCSS = $this->Width . 'px' ;
192 else
193 $WidthCSS = $this->Width ;
194
195 if ( strpos( $this->Height, '%' ) === false )
196 $HeightCSS = $this->Height . 'px' ;
197 else
198 $HeightCSS = $this->Height ;
199
200 $Html .= "<textarea name=\"{$this->InstanceName}\" rows=\"4\" cols=\"40\" style=\"width: {$WidthCSS}; height: {$HeightCSS}\">{$HtmlValue}</textarea>" ;
201 }
202
203 return $Html ;
204 }
205
206 /**
207 * Returns true if browser is compatible with FCKeditor.
208 *
209 * @return boolean
210 */
211 function IsCompatible()
212 {
213 return FCKeditor_IsCompatibleBrowser() ;
214 }
215
216 /**
217 * Get settings from Config array as a single string.
218 *
219 * @access protected
220 * @return string
221 */
222 function GetConfigFieldString()
223 {
224 $sParams = '' ;
225 $bFirst = true ;
226
227 foreach ( $this->Config as $sKey => $sValue )
228 {
229 if ( $bFirst == false )
230 $sParams .= '&' ;
231 else
232 $bFirst = false ;
233
234 if ( $sValue === true )
235 $sParams .= $this->EncodeConfig( $sKey ) . '=true' ;
236 else if ( $sValue === false )
237 $sParams .= $this->EncodeConfig( $sKey ) . '=false' ;
238 else
239 $sParams .= $this->EncodeConfig( $sKey ) . '=' . $this->EncodeConfig( $sValue ) ;
240 }
241
242 return $sParams ;
243 }
244
245 /**
246 * Encode characters that may break the configuration string
247 * generated by GetConfigFieldString().
248 *
249 * @access protected
250 * @param string $valueToEncode
251 * @return string
252 */
253 function EncodeConfig( $valueToEncode )
254 {
255 $chars = array(
256 '&' => '%26',
257 '=' => '%3D',
258 '"' => '%22' ) ;
259
260 return strtr( $valueToEncode, $chars ) ;
261 }
262 }
