<?php

/**
 * Z-Push configuration user interface builder
 *
 * @version 0.2
 * @author Thomas Bruederli <bruederli@kolabsys.com>
 *
 * Copyright (C) 2011, 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_zpush_ui
{
    private $rc;
    private $config;

    public function __construct($config)
    {
        $this->config = $config;
        $this->rc = rcube::get_instance();

        $skin = $this->rc->config->get('skin');
        $this->config->include_stylesheet('skins/' . $skin . '/config.css');
        $this->rc->output->include_script('list.js');
        $this->skin_path = $this->config->urlbase . 'skins/' . $skin . '/';
    }


    public function device_list($attrib = array())
    {
        $attrib += array('id' => 'devices-list');

        $devices = $this->config->list_devices();
        $table = new html_table();

        foreach ($devices as $id => $device) {
            $name = $device['ALIAS'] ? $device['ALIAS'] : $id;
            $table->add_row(array('id' => 'rcmrow' . $id));
            $table->add(null, html::span('devicealias', Q($name)) . html::span('devicetype', Q($device['TYPE'])));
        }

        $this->rc->output->add_gui_object('devicelist', $attrib['id']);
        $this->rc->output->set_env('devices', $devices);

        return $table->show($attrib);
    }


    public function device_config_form($attrib = array())
    {
        $table = new html_table(array('cols' => 2));

        $field_id = 'config-device-alias';
        $input = new html_inputfield(array('name' => 'devicealias', 'id' => $field_id, 'size' => 40));
        $table->add('title', html::label($field_id, $this->config->gettext('devicealias')));
        $table->add(null, $input->show());

        $field_id = 'config-device-mode';
        $select = new html_select(array('name' => 'syncmode', 'id' => $field_id));
        $select->add(array($this->config->gettext('modeauto'), $this->config->gettext('modeflat'), $this->config->gettext('modefolder')), array('-1', '0', '1'));
        $table->add('title', html::label($field_id, $this->config->gettext('syncmode')));
        $table->add(null, $select->show('-1'));

        $field_id = 'config-device-laxpic';
        $checkbox = new html_checkbox(array('name' => 'laxpic', 'value' => '1', 'id' => $field_id));
        $table->add('title', $this->config->gettext('imageformat'));
        $table->add(null, html::label($field_id, $checkbox->show() . ' ' . $this->config->gettext('laxpiclabel')));

        if ($attrib['form'])
            $this->rc->output->add_gui_object('editform', $attrib['form']);

        return $table->show($attrib);
    }


    public function folder_subscriptions($attrib = array())
    {
        if (!$attrib['id'])
            $attrib['id'] = 'foldersubscriptions';

        // group folders by type (show only known types)
        $folder_groups = array('mail' => array(), 'contact' => array(), 'event' => array(), 'task' => array());
        $folder_meta = $this->config->folders_meta();
        foreach ($this->config->list_folders() as $folder) {
            $type = $folder_meta[$folder]['TYPE'] ? $folder_meta[$folder]['TYPE'] : 'mail';
            if (is_array($folder_groups[$type]))
                $folder_groups[$type][] = $folder;
        }

        // build block for every folder type
        foreach ($folder_groups as $type => $group) {
            if (empty($group))
                continue;
            $attrib['type'] = $type;
            $html .= html::div('subscriptionblock',
                html::tag('h3', $type, $this->config->gettext($type)) .
                $this->folder_subscriptions_block($group, $attrib));
        }
        
        $this->rc->output->add_gui_object('subscriptionslist', $attrib['id']);

        return html::div($attrib, $html);
    }

    public function folder_subscriptions_block($a_folders, $attrib)
    {
        $alarms = ($attrib['type'] == 'event' || $attrib['type'] == 'task');

        $table = new html_table(array('cellspacing' => 0));
        $table->add_header('subscription', $attrib['syncicon'] ? html::img(array('src' => $this->skin_path . $attrib['syncicon'], 'title' => $this->config->gettext('synchronize'))) : '');
        $table->add_header('alarm', $alarms && $attrib['alarmicon'] ? html::img(array('src' => $this->skin_path . $attrib['alarmicon'], 'title' => $this->config->gettext('withalarms'))) : '');
        $table->add_header('foldername', $this->config->gettext('folder'));

        $checkbox_sync = new html_checkbox(array('name' => 'subscribed[]', 'class' => 'subscription'));
        $checkbox_alarm = new html_checkbox(array('name' => 'alarm[]', 'class' => 'alarm'));

        $names = array();
        foreach ($a_folders as $folder) {
            $foldername = $origname = preg_replace('/^INBOX &raquo;\s+/', '', kolab_storage::object_name($folder));

            // find folder prefix to truncate (the same code as in kolab_addressbook plugin)
            for ($i = count($names)-1; $i >= 0; $i--) {
                if (strpos($foldername, $names[$i].' &raquo; ') === 0) {
                    $length = strlen($names[$i].' &raquo; ');
                    $prefix = substr($foldername, 0, $length);
                    $count  = count(explode(' &raquo; ', $prefix));
                    $foldername = str_repeat('&nbsp;&nbsp;', $count-1) . '&raquo; ' . substr($foldername, $length);
                    break;
                }
            }

            $names[] = $origname;
            $classes = array('mailbox');

            if ($folder_class = $this->rc->folder_classname($folder)) {
                $foldername = $this->rc->gettext($folder_class);
                $classes[] = $folder_class;
            }

            $folder_id = 'rcmf' . html_identifier($folder);

            $table->add_row();
            $table->add('subscription', $checkbox_sync->show('', array('value' => $folder, 'id' => $folder_id)));

            if ($alarms)
                $table->add('alarm', $checkbox_alarm->show('', array('value' => $folder, 'id' => $folder_id.'_alarm')));
            else
                $table->add('alarm', '');

            $table->add(join(' ', $classes), html::label($folder_id, Q($foldername)));
        }

        return $table->show();
    }

}