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<?php
namespace dokuwiki\Extension;
/**
* Provides standard DokuWiki plugin behaviour
*/
trait PluginTrait
{
protected $localised = false; // set to true by setupLocale() after loading language dependent strings
protected $lang = array(); // array to hold language dependent strings, best accessed via ->getLang()
protected $configloaded = false; // set to true by loadConfig() after loading plugin configuration variables
protected $conf = array(); // array to hold plugin settings, best accessed via ->getConf()
/**
* @see PluginInterface::getInfo()
*/
public function getInfo()
{
$parts = explode('_', get_class($this));
$info = DOKU_PLUGIN . '/' . $parts[2] . '/plugin.info.txt';
if (file_exists($info)) return confToHash($info);
msg(
'getInfo() not implemented in ' . get_class($this) . ' and ' . $info . ' not found.<br />' .
'Verify you\'re running the latest version of the plugin. If the problem persists, send a ' .
'bug report to the author of the ' . $parts[2] . ' plugin.', -1
);
return array(
'date' => '0000-00-00',
'name' => $parts[2] . ' plugin',
);
}
/**
* @see PluginInterface::isSingleton()
*/
public function isSingleton()
{
return true;
}
/**
* @see PluginInterface::loadHelper()
*/
public function loadHelper($name, $msg = true)
{
$obj = plugin_load('helper', $name);
if (is_null($obj) && $msg) msg("Helper plugin $name is not available or invalid.", -1);
return $obj;
}
// region introspection methods
/**
* @see PluginInterface::getPluginType()
*/
public function getPluginType()
{
list($t) = explode('_', get_class($this), 2);
return $t;
}
/**
* @see PluginInterface::getPluginName()
*/
public function getPluginName()
{
list(/* $t */, /* $p */, $n) = explode('_', get_class($this), 4);
return $n;
}
/**
* @see PluginInterface::getPluginComponent()
*/
public function getPluginComponent()
{
list(/* $t */, /* $p */, /* $n */, $c) = explode('_', get_class($this), 4);
return (isset($c) ? $c : '');
}
// endregion
// region localization methods
/**
* @see PluginInterface::getLang()
*/
public function getLang($id)
{
if (!$this->localised) $this->setupLocale();
return (isset($this->lang[$id]) ? $this->lang[$id] : '');
}
/**
* @see PluginInterface::locale_xhtml()
*/
public function locale_xhtml($id)
{
return p_cached_output($this->localFN($id));
}
/**
* @see PluginInterface::localFN()
*/
public function localFN($id, $ext = 'txt')
{
global $conf;
$plugin = $this->getPluginName();
$file = DOKU_CONF . 'plugin_lang/' . $plugin . '/' . $conf['lang'] . '/' . $id . '.' . $ext;
if (!file_exists($file)) {
$file = DOKU_PLUGIN . $plugin . '/lang/' . $conf['lang'] . '/' . $id . '.' . $ext;
if (!file_exists($file)) {
//fall back to english
$file = DOKU_PLUGIN . $plugin . '/lang/en/' . $id . '.' . $ext;
}
}
return $file;
}
/**
* @see PluginInterface::setupLocale()
*/
public function setupLocale()
{
if ($this->localised) return;
global $conf, $config_cascade; // definitely don't invoke "global $lang"
$path = DOKU_PLUGIN . $this->getPluginName() . '/lang/';
$lang = array();
// don't include once, in case several plugin components require the same language file
@include($path . 'en/lang.php');
foreach ($config_cascade['lang']['plugin'] as $config_file) {
if (file_exists($config_file . $this->getPluginName() . '/en/lang.php')) {
include($config_file . $this->getPluginName() . '/en/lang.php');
}
}
if ($conf['lang'] != 'en') {
@include($path . $conf['lang'] . '/lang.php');
foreach ($config_cascade['lang']['plugin'] as $config_file) {
if (file_exists($config_file . $this->getPluginName() . '/' . $conf['lang'] . '/lang.php')) {
include($config_file . $this->getPluginName() . '/' . $conf['lang'] . '/lang.php');
}
}
}
$this->lang = $lang;
$this->localised = true;
}
// endregion
// region configuration methods
/**
* @see PluginInterface::getConf()
*/
public function getConf($setting, $notset = false)
{
if (!$this->configloaded) {
$this->loadConfig();
}
if (isset($this->conf[$setting])) {
return $this->conf[$setting];
} else {
return $notset;
}
}
/**
* @see PluginInterface::loadConfig()
*/
public function loadConfig()
{
global $conf;
$defaults = $this->readDefaultSettings();
$plugin = $this->getPluginName();
foreach ($defaults as $key => $value) {
if (isset($conf['plugin'][$plugin][$key])) continue;
$conf['plugin'][$plugin][$key] = $value;
}
$this->configloaded = true;
$this->conf =& $conf['plugin'][$plugin];
}
/**
* read the plugin's default configuration settings from conf/default.php
* this function is automatically called through getConf()
*
* @return array setting => value
*/
protected function readDefaultSettings()
{
$path = DOKU_PLUGIN . $this->getPluginName() . '/conf/';
$conf = array();
if (file_exists($path . 'default.php')) {
include($path . 'default.php');
}
return $conf;
}
// endregion
// region output methods
/**
* @see PluginInterface::email()
*/
public function email($email, $name = '', $class = '', $more = '')
{
if (!$email) return $name;
$email = obfuscate($email);
if (!$name) $name = $email;
$class = "class='" . ($class ? $class : 'mail') . "'";
return "<a href='mailto:$email' $class title='$email' $more>$name</a>";
}
/**
* @see PluginInterface::external_link()
*/
public function external_link($link, $title = '', $class = '', $target = '', $more = '')
{
global $conf;
$link = htmlentities($link);
if (!$title) $title = $link;
if (!$target) $target = $conf['target']['extern'];
if ($conf['relnofollow']) $more .= ' rel="nofollow"';
if ($class) $class = " class='$class'";
if ($target) $target = " target='$target'";
if ($more) $more = " " . trim($more);
return "<a href='$link'$class$target$more>$title</a>";
}
/**
* @see PluginInterface::render_text()
*/
public function render_text($text, $format = 'xhtml')
{
return p_render($format, p_get_instructions($text), $info);
}
// endregion
}
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