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kolab_tags.php
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kolab_tags.php
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<?php
/**
* Kolab Tags
*
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2014, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_tags extends rcube_plugin
{
public $task = 'mail';
public $rc;
public $home;
private $engine;
public function init()
{
$this->rc = rcube::get_instance();
// Register hooks to display tags in message subject
$this->add_hook('messages_list', array($this, 'messages_list'));
$this->add_hook('message_headers_output', array($this, 'message_headers_output'));
// Searching by tags
$this->add_hook('imap_search_before', array($this, 'imap_search_before'));
// Plugin actions for tag management
$this->register_action('plugin.kolab_tags', array($this, 'actions'));
// Load UI from startup hook
$this->add_hook('startup', array($this, 'startup'));
}
/**
* Creates kolab_files_engine instance
*/
private function engine()
{
if ($this->engine === null) {
// the files module can be enabled/disabled by the kolab_auth plugin
if ($this->rc->config->get('kolab_tags_disabled') || !$this->rc->config->get('kolab_tags_enabled', true)) {
return $this->engine = false;
}
// $this->load_config();
require_once $this->home . DIRECTORY_SEPARATOR . 'lib' . DIRECTORY_SEPARATOR . 'kolab_tags_engine.php';
$this->engine = new kolab_tags_engine($this);
}
return $this->engine;
}
/**
* Startup hook handler, initializes/enables Files UI
*/
public function startup($args)
{
// call this from startup to give a chance to set
// kolab_files_enabled/disabled in kolab_auth plugin
if ($this->rc->output->type != 'html') {
return;
}
if ($this->rc->action == 'print') {
return;
}
if ($engine = $this->engine()) {
$engine->ui();
}
}
/**
* Engine actions handler
*/
public function actions()
{
if ($engine = $this->engine()) {
$engine->actions();
}
}
/**
* Handler for messages list
*/
public function messages_list($args)
{
if ($engine = $this->engine()) {
$args = $engine->messages_list_handler($args);
}
return $args;
}
/**
* Handler for message headers
*/
public function message_headers_output($args)
{
// this hook can be executed many times
if ($this->mail_headers_done) {
return $args;
}
$this->mail_headers_done = true;
if ($engine = $this->engine()) {
$args = $engine->message_headers_handler($args);
}
return $args;
}
/**
* Handler for messages searching
*/
public function imap_search_before($args)
{
// if search filter contains tag mark
if (preg_match('/^(kolab_tags_[0-9]{10,}:([^:]+):)/', $args['search'], $m) && ($engine = $this->engine())) {
$this->current_tags = $args['search_tags'] = explode(',', $m[2]);
$this->current_filter = $args['search'] = substr($args['search'], strlen($m[1]));
// modify search arguments
$args = $engine->imap_search_handler($args);
unset($args['search_tags']);
// send current search properties to the browser
$this->rc->output->set_env('search_filter_selected', $this->current_filter);
$this->rc->output->set_env('selected_tags', $this->current_tags);
}
return $args;
}
}

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