Source for file _smilies.plugin.php

Documentation is available at _smilies.plugin.php

<?php
/**
* This file implements the Image Smilies Renderer plugin for b2evolution
*
* b2evolution - {@link http://b2evolution.net/}
* Released under GNU GPL License - {@link http://b2evolution.net/about/license.html}
*
* @author fplanque: Francois PLANQUE.
* @author gorgeb: Bertrand GORGE / EPISTEMA
*
* @package plugins
*/
if( !defined('EVO_MAIN_INIT') ) die( 'Please, do not access this page directly.' );
/**
* @package plugins
*/
class smilies_plugin extends Plugin
{
var $code = 'b2evSmil';
var $name = 'Smilies';
var $priority = 80;
var $version = '1.9.2';
var $apply_rendering = 'opt-out';
var $group = 'rendering';
/**
* Text similes search array
*
* @access private
*/
var $search;
/**
* IMG replace array
*
* @access private
*/
var $replace;
/**
* Smiley definitions
*
* @access private
*/
var $smilies;
/**
* Init
*/
function PluginInit( & $params )
{
$this->short_desc = T_('Graphical smileys');
$this->long_desc = T_('This renderer will convert text smilies like :) to graphical icons.<br />
Optionally, it will also display a toolbar for quick insertion of smilies into a post.');
}
/**
* Defaults for user specific settings: "Display toolbar"
*
* @return array
*/
function GetDefaultSettings()
{
global $rsc_subdir;
return array(
'use_toolbar_default' => array(
'label' => T_( 'Use smilies toolbar' ),
'defaultvalue' => '1',
'type' => 'checkbox',
'note' => T_( 'This is the default setting. Users can override it in their profile.' ),
),
'render_comments' => array( // fp> Note: this is not a default in this version, it's an 'always' :]
'label' => $this->T_('Render comments' ),
'note' => $this->T_('Check to also render smilies in comments.'),
'defaultvalue' => '0',
'type' => 'checkbox',
),
// TODO (yabs) : Display these as images and individual inputs
'smiley_list' => array(
'label' => $this->T_( 'Smiley list'),
'note' => sprintf( $this->T_( 'This is the list of smileys [one per line], in the format : char_sequence image_file // optional comment<br />
To disable a smiley, just add one or more spaces to the start of its setting<br />
You can add new smiley images by uploading the images to the %s folder.' ), '<span style="font-weight:bold">'.$rsc_subdir.'smilies/</span>' ),
'type' => 'html_textarea', // allows smilies with "<" in them
'rows' => 10,
'cols' => 60,
'defaultvalue' => '
=> icon_arrow.gif
:!: icon_exclaim.gif
:?: icon_question.gif
:idea: icon_idea.gif
:) icon_smile.gif
:D icon_biggrin.gif
:p icon_razz.gif
B) icon_cool.gif
;) icon_wink.gif
:> icon_twisted.gif
:roll: icon_rolleyes.gif
:oops: icon_redface.gif
:| icon_neutral.gif
:-/ icon_confused.gif
:( icon_sad.gif
>:( icon_mad.gif
:\'( icon_cry.gif
|-| icon_wth.gif
:>> icon_mrgreen.gif
:yes: grayyes.gif,
;D graysmilewinkgrin.gif
:P graybigrazz.gif
:)) graylaugh.gif
88| graybigeek.gif
:. grayshy.gif
:no: grayno.gif
XX( graydead.gif
:lalala: icon_lalala.gif
:crazy: icon_crazy.gif
>:XX icon_censored.gif
:DD icon_lol.gif
:o icon_surprised.gif
8| icon_eek.gif
>:-[ icon_evil.gif
:) graysmile.gif
:b grayrazz.gif
)-o grayembarrassed.gif
U-( grayuhoh.gif
:( graysad.gif
:**: graysigh.gif // alternative: graysighw.gif
:??: grayconfused.gif // alternative: grayconfusedw.gif
:`( graycry.gif
>:-( graymad.gif
:## grayupset.gif // alternative: grayupsetw.gif
:zz: graysleep.gif // alternative: graysleepw.gif
:wave: icon_wave.gif',
),
);
}
/**
* Allowing the user to override the display of the toolbar.
*
* @return array
*/
function GetDefaultUserSettings()
{
return array(
'use_toolbar' => array(
'label' => T_( 'Use smilies toolbar' ),
'defaultvalue' => $this->Settings->get('use_toolbar_default'),
'type' => 'checkbox',
),
);
}
/**
* Display a toolbar in admin
*
* @param array Associative array of parameters
* @return boolean did we display a toolbar?
*/
function AdminDisplayToolbar( & $params )
{
if( $this->UserSettings->get('use_toolbar') )
{
return $this->display_smiley_bar();
}
return false;
}
/**
* Event handler: Called when displaying editor toolbars.
*
* @param array Associative array of parameters
* @return boolean did we display a toolbar?
*/
function DisplayCommentToolbar( & $params )
{
if( $this->Settings->get( 'render_comments' )
&& ( ( is_logged_in() && $this->UserSettings->get( 'use_toolbar' ) )
|| ( !is_logged_in() && $this->Settings->get( 'use_toolbar_default' ) ) ) )
{
return $this->display_smiley_bar();
}
return false;
}
/**
* Display the smiley toolbar
*
* @return boolean did we display a toolbar?
*/
function display_smiley_bar()
{
$this->InitSmilies(); // check smilies cached
$grins = '';
$smiled = array();
foreach( $this->smilies as $smiley )
{
if (!in_array($smiley[ 'image' ], $smiled))
{
$smiled[] = $smiley[ 'image'];
$smiley[ 'code' ] = str_replace(' ', '', $smiley[ 'code' ]);
$grins .= '<img src="'.$smiley[ 'image' ].'" title="'.$smiley[ 'code' ].'" alt="'.$smiley[ 'code' ]
.'" class="top" onclick="grin(\''. str_replace("'","\'",$smiley[ 'code' ]). '\');" /> ';
}
}
print('<div class="edit_toolbar">'. $grins. '</div>');
ob_start();
?>
<script type="text/javascript">
function grin(tag)
{
if( typeof b2evo_Callbacks == 'object' )
{ // see if there's a callback registered that should handle this:
if( b2evo_Callbacks.trigger_callback("insert_raw_into_"+b2evoCanvas.id, tag) )
{
return;
}
}
var myField = b2evoCanvas;
if (document.selection) {
myField.focus();
sel = document.selection.createRange();
sel.text = tag;
myField.focus();
}
else if (myField.selectionStart || myField.selectionStart == '0') {
var startPos = myField.selectionStart;
var endPos = myField.selectionEnd;
var cursorPos = endPos;
myField.value = myField.value.substring(0, startPos)
+ tag
+ myField.value.substring(endPos, myField.value.length);
cursorPos += tag.length;
myField.focus();
myField.selectionStart = cursorPos;
myField.selectionEnd = cursorPos;
}
else {
myField.value += tag;
myField.focus();
}
}
</script>
<?php
$grins = ob_get_contents();
ob_end_clean();
print($grins);
return true;
}
/**
* Perform rendering
*
* @see Plugin::FilterCommentContent()
*/
function FilterCommentContent( & $params )
{
if( $this->Settings->get( 'render_comments' ) )
{
$this->RenderItemAsHtml( $params );
}
}
/**
* Perform rendering
*
* @see Plugin::RenderItemAsHtml()
*/
function RenderItemAsHtml( & $params )
{
$this->InitSmilies(); // check smilies are already cached
if( ! isset( $this->search ) )
{ // We haven't prepared the smilies yet
$this->search = array();
$tmpsmilies = $this->smilies;
usort($tmpsmilies, array(&$this, 'smiliescmp'));
foreach( $tmpsmilies as $smiley )
{
$this->search[] = $smiley[ 'code' ];
$smiley_masked = '';
for ($i = 0; $i < strlen($smiley[ 'code' ] ); $i++ )
{
$smiley_masked .= '&#'.ord(substr($smiley[ 'code' ], $i, 1)).';';
}
// We don't use getimagesize() here until we have a mean
// to preprocess smilies. It takes up to much time when
// processing them at display time.
$this->replace[] = '<img src="'.$smiley[ 'image' ].'" alt="'.$smiley_masked.'" class="middle" />';
}
}
// REPLACE: But only in non-HTML blocks, totally excluding <CODE>..</CODE> and <PRE>..</PRE>
$content = & $params['data'];
// Lazy-check first, using stristr() (stripos() is only available since PHP5):
if( stristr( $content, '<code' ) !== false || stristr( $content, '<pre' ) !== false )
{ // Call ReplaceTagSafe() on everything outside <pre></pre> and <code></code>:
$content = callback_on_non_matching_blocks( $content,
'~<(code|pre)[^>]*>.*?</\1>~is',
array( & $this, 'ReplaceTagSafe' ) );
}
else
{ // No CODE or PRE blocks, replace on the whole thing
$content = $this->ReplaceTagSafe($content);
}
return true;
}
/**
* This callback gets called once after every tags+text chunk
* @return string Text with replaced smilies
*/
function preg_insert_smilies_callback( $text )
{
return str_replace( $this->search, $this->replace, $text );
}
/**
* Replace smilies in non-HTML-tag portions of the text.
* @uses callback_on_non_matching_blocks()
*/
function ReplaceTagSafe($text)
{
return callback_on_non_matching_blocks( $text, '~<[^>]*>~', array(&$this, 'preg_insert_smilies_callback') );
}
/**
* sorts the smilies' array by length
* this is important if you want :)) to superseede :) for example
*/
function smiliescmp($a, $b)
{
if( ($diff = strlen( $b[ 'code' ] ) - strlen( $a[ 'code' ] ) ) == 0)
{
return strcmp( $a[ 'code' ], $b[ 'code' ] );
}
return $diff;
}
/**
* Initiates the smiley array if not already initiated
*
* Attempts to use skin specific smileys where available
* - skins_adm/skin/rsc/smilies/
* - skins/skin/smilies/
*
* Attempts to fallback to default smilies
* - rsc/smilies/
*
* If no image file found the smiley is not added
*
* @return array of available smilies( code, image url )
*/
function InitSmilies()
{
if( isset( $this->smilies ) )
{ // smilies are already cached
return;
}
global $admin_skin, $adminskins_path, $adminskins_url, $rsc_path, $rsc_url, $skin, $skins_path, $skins_url;
// set the skin path/url and the default (rsc) path/url
$currentskin_path = ( is_admin_page() ? $adminskins_path.$admin_skin.'/rsc' : $skins_path.$skin ).'/smilies/';
$currentskin_url = ( is_admin_page() ? $adminskins_url.$admin_skin.'/rsc' : $skins_url.$skin ).'/smilies/';
$default_path = $rsc_path.'smilies/';
$default_url = $rsc_url.'smilies/';
$skin_has_smilies = is_dir( $currentskin_path ); // check if skin has a /smilies/ folder
$this->smilies = array();
$temp_list = explode( "\n", str_replace( array( "\r", "\t" ), '', $this->Settings->get( 'smiley_list' ) ) );
foreach( $temp_list as $temp_smiley )
{
$a_smiley = explode( '<->', preg_replace_callback( '#^(\S.+?\s)(.+?)(\/\/.*?)*$#', array( $this, 'get_smiley' ),$temp_smiley ) );
if( isset( $a_smiley[0] ) and isset( $a_smiley[1] ) )
{
// lets see if the file exists
$temp_img = trim( $a_smiley[1] );
if( $skin_has_smilies && is_file( $currentskin_path.$temp_img ) )
{
$temp_url = $currentskin_url.$temp_img; // skin has it's own smiley, use it
}
elseif ( is_file( $default_path.$temp_img ) )
{
$temp_url = $default_url.$temp_img; // no skin image, but default smiley found so use it
}
else
{
$temp_url = ''; // no smiley image found, so don't add the smiley
}
if( $temp_url )
$this->smilies[] = array( 'code' => trim( $a_smiley[0] ),'image' => $temp_url );
}
}
}
// returns the relevant smiley parts (char_code, image_file)
function get_smiley( $smiley_parts )
{
return ( ( isset( $smiley_parts[1] ) && isset( $smiley_parts[2] ) ) ? $smiley_parts[1].'<->'.$smiley_parts[2] : '' );
}
}
/*
* $Log: _smilies.plugin.php,v $
* Revision 1.31.2.11 2006/12/28 23:18:54 fplanque
* added plugin event for displaying comment form toolbars
* used by smilies plugin
*
* Revision 1.31.2.10 2006/12/27 09:41:12 yabs
* Removed b2evocanvas, minor other changes, clarified doc
*
* Revision 1.31.2.9 2006/12/26 03:18:51 fplanque
* assigned a few significant plugin groups
*
* Revision 1.31.2.8 2006/12/16 04:30:59 fplanque
* doc
*
* Revision 1.31.2.7 2006/12/03 08:27:35 yabs
* Removed user setting - render_comments
* Changed behaviour - render_comments_default used instead
* Added skintag to display toolbar ifsmilies in comments enabled - usersetting overrides toolbar default
* Other minor changes to code
*
* Revision 1.31.2.6 2006/11/27 19:12:50 fplanque
* 1.9 POT has gone public. No more unnecessary changes.
* 1.9.x language packs should work for ALL 1.9.x versions.
* Adding strings is okay. Removing strings/changing strings for fun is not OK.
* Move to 1.10 or 2.0
*
* Revision 1.31.2.5 2006/11/27 00:32:56 blueyed
* MFH: trans fix
*
* Revision 1.31.2.4 2006/11/27 00:28:50 blueyed
* MFH: trans fix
*
* Revision 1.31.2.3 2006/11/04 19:55:12 fplanque
* Reinjected old Log blocks. Removing them from CVS was a bad idea -- especially since Daniel has decided branch 1.9 was his HEAD...
*
* Revision 1.31 2006/08/07 18:26:21 fplanque
* nuked obsolete smilies conf file
*
* Revision 1.30 2006/08/01 23:55:14 blueyed
* minor: doc; removed level of indentation
*
* Revision 1.29 2006/08/01 08:44:31 yabs
* Minor change - checks if skin has /smilies/ folder before start of checking for images
*
* Revision 1.28 2006/08/01 08:20:47 yabs
* Added ability for admin skins to override default smiley images
* Tidied up my previous code
*
* Revision 1.27 2006/07/31 16:19:04 yabs
* Moved settings to admin
* Added smilies in comments ( as user setting )
* Added ability for blog skins to override default smiley images
*
* *note*
* These changes are a tad quick 'n' dirty, I'm working on a cleaner version and will commit soon
*
* Revision 1.26 2006/07/12 21:13:17 blueyed
* Javascript callback handler (e.g., for interaction of WYSIWYG editors with toolbar plugins)
*
* Revision 1.25 2006/07/10 20:19:30 blueyed
* Fixed PluginInit behaviour. It now gets called on both installed and non-installed Plugins, but with the "is_installed" param appropriately set.
*
* Revision 1.24 2006/07/07 21:26:49 blueyed
* Bumped to 1.9-dev
*
* Revision 1.23 2006/07/06 19:56:29 fplanque
* no message
*
* Revision 1.22 2006/06/16 21:30:57 fplanque
* Started clean numbering of plugin versions (feel free do add dots...)
*
* Revision 1.21 2006/05/30 20:26:59 blueyed
* typo
*
* Revision 1.20 2006/05/30 19:39:55 fplanque
* plugin cleanup
*
* Revision 1.19 2006/04/24 20:16:08 blueyed
* Use callback_on_non_matching_blocks(); excluding PRE and CODE blocks
*
* Revision 1.18 2006/04/11 21:22:26 fplanque
* partial cleanup
*
*/
?>

Multilingual multiuser multiblog engine

Source for file _smilies.plugin.php

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