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<?php
/**
* DokuWiki Plugin styler (Action Component)
*
* @license GPL 2 http://www.gnu.org/licenses/gpl-2.0.html
* @author Andreas Gohr <andi@splitbrain.org>
*/
// must be run within Dokuwiki
if(!defined('DOKU_INC')) die();
/**
* Class action_plugin_styler
*
* This handles all the save actions and loading the interface
*
* All this usually would be done within an admin plugin, but we want to have this available outside
* the admin interface using our floating dialog.
*/
class action_plugin_styler extends DokuWiki_Action_Plugin {
/**
* Registers a callback function for a given event
*
* @param Doku_Event_Handler $controller DokuWiki's event controller object
* @return void
*/
public function register(Doku_Event_Handler $controller) {
$controller->register_hook('AJAX_CALL_UNKNOWN', 'BEFORE', $this, 'handle_ajax');
$controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'handle_action');
}
/**
* [Custom event handler which performs action]
*
* @param Doku_Event $event event object by reference
* @param mixed $param [the parameters passed as fifth argument to register_hook() when this
* handler was registered]
* @return void
*/
public function handle_action(Doku_Event &$event, $param) {
if(!auth_isadmin()) return;
$event->data = act_clean($event->data);
if($event->data === 'styler_plugin_preview') {
$event->data = 'show';
$this->preview();
} elseif($event->data === 'styler_plugin_reset') {
$event->data = 'show';
$this->reset();
} elseif($event->data === 'styler_plugin_revert') {
$event->data = 'show';
$this->revert();
} elseif($event->data === 'styler_plugin_save') {
$event->data = 'show';
$this->save();
}
}
/**
* [Custom event handler which performs action]
*
* @param Doku_Event $event event object by reference
* @param mixed $param [the parameters passed as fifth argument to register_hook() when this
* handler was registered]
* @return void
*/
public function handle_ajax(Doku_Event &$event, $param) {
if(!auth_isadmin()) return;
if($event->data != 'plugin_styler') return;
$event->preventDefault();
$event->stopPropagation();
/** @var admin_plugin_styler $hlp */
$hlp = plugin_load('admin', 'styler');
$hlp->form();
}
/**
* saves the preview.ini
*/
protected function preview() {
global $conf;
$ini = $conf['cachedir'].'/preview.ini';
io_saveFile($ini, $this->makeini());
}
/**
* deletes the preview.ini
*/
protected function reset() {
global $conf;
$ini = $conf['cachedir'].'/preview.ini';
io_saveFile($ini, '');
}
/**
* deletes the local style.ini replacements
*/
protected function revert() {
$this->replaceini('');
$this->reset();
}
/**
* save the local style.ini replacements
*/
protected function save() {
$this->replaceini($this->makeini());
$this->reset();
}
/**
* create the replacement part of a style.ini from submitted data
*
* @return string
*/
protected function makeini() {
global $INPUT;
$ini = "[replacements]\n";
foreach($INPUT->arr('tpl') as $key => $val) {
$ini .= $key.' = "'.addslashes($val).'"'."\n";
}
return $ini;
}
/**
* replaces the replacement parts in the local ini
*
* @param string $new the new ini contents
*/
protected function replaceini($new) {
global $conf;
$ini = DOKU_CONF."tpl/".$conf['template']."/style.ini";
if(file_exists($ini)) {
$old = io_readFile($ini);
$old = preg_replace('/\[replacements\]\n.*?(\n\[.*]|$)/s', '\\1', $old);
$old = trim($old);
} else {
$old = '';
}
io_makeFileDir($ini);
io_saveFile($ini, "$old\n\n$new");
}
}
// vim:ts=4:sw=4:et:
|
