<?php
/**
 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2011, StatusNet, Inc.
 *
 * Form for adding a new poll
 *
 * PHP version 5
 *
 * 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/>.
 *
 * @category  PollPlugin
 * @package   StatusNet
 * @author    Brion Vibber <brion@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
 */

if (!defined('STATUSNET')) {
    // This check helps protect against security problems;
    // your code file can't be executed directly from the web.
    exit(1);
}

/**
 * Form to add a new poll thingy
 *
 * @category  PollPlugin
 * @package   StatusNet
 * @author    Brion Vibber <brion@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
 */
class NewpollForm extends Form
{
    protected $question = null;
    protected $options = array();

    /**
     * Construct a new poll form
     *
     * @param HTMLOutputter $out output channel
     *
     * @param null $question
     * @param null $options
     */
    public function __construct(HTMLOutputter $out = null, $question = null, $options = null)
    {
        parent::__construct($out);
    }

    /**
     * ID of the form
     *
     * @return int ID of the form
     */
    public function id()
    {
        return 'newpoll-form';
    }

    /**
     * class of the form
     *
     * @return string class of the form
     */
    public function formClass()
    {
        return 'form_settings ajax-notice';
    }

    /**
     * Action of the form
     *
     * @return string URL of the action
     */
    public function action()
    {
        return common_local_url('newpoll');
    }

    /**
     * Data elements of the form
     *
     * @return void
     */
    public function formData()
    {
        $this->out->elementStart('fieldset', array('id' => 'newpoll-data'));
        $this->out->elementStart('ul', 'form_data');

        $this->li();
        $this->out->input(
            'question',
            // TRANS: Field label on the page to create a poll.
            _m('Question'),
            $this->question,
            // TRANS: Field title on the page to create a poll.
            _m('What question are people answering?'),
            'question',
            true
        );    // HTML5 "required" attribute
        $this->unli();

        $max = 5;
        if (count($this->options) + 1 > $max) {
            $max = count($this->options) + 2;
        }
        for ($i = 0; $i < $max; $i++) {
            // @fixme make extensible
            if (isset($this->options[$i])) {
                $default = $this->options[$i];
            } else {
                $default = '';
            }
            $this->li();
            $this->out->input(
                'poll-option' . ($i + 1),
                // TRANS: Field label for an answer option on the page to create a poll.
                // TRANS: %d is the option number.
                sprintf(_m('Option %d'), $i + 1),
                $default,
                null,
                'option' . ($i + 1),
                $i < 2
            );   // HTML5 "required" attribute for 2 options
            $this->unli();
        }

        $this->out->elementEnd('ul');

        $toWidget = new ToSelector(
            $this->out,
            common_current_user(),
            null
        );
        $toWidget->show();

        $this->out->elementEnd('fieldset');
    }

    /**
     * Action elements
     *
     * @return void
     */
    public function formActions()
    {
        // TRANS: Button text for saving a new poll.
        $this->out->submit('poll-submit', _m('BUTTON', 'Save'), 'submit', 'submit');
    }
}
