/mod/forumanon/post_form.php

<?php



// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle 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 General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.



/**

 * @package mod-forum

 * @copyright Jamie Pratt <me@jamiep.org>

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */



if (!defined('MOODLE_INTERNAL')) {

    die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page

}



require_once($CFG->libdir.'/formslib.php');



class mod_forumanon_post_form extends moodleform {



    function definition() {



        global $CFG, $DB;

        $mform    =& $this->_form;



        $course        = $this->_customdata['course'];

        $cm            = $this->_customdata['cm'];

        $coursecontext = $this->_customdata['coursecontext'];

        $modcontext    = $this->_customdata['modcontext'];

        $forum         = $this->_customdata['forum'];

        $post          = $this->_customdata['post'];



        // if $forum->maxbytes == '0' means we should use $course->maxbytes

        if ($forum->maxbytes == '0') {

            $forum->maxbytes = $course->maxbytes;

        }

        // TODO: add max files and max size support

        $editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'trusttext'=>true, 'context'=>$modcontext);



        $mform->addElement('header', 'general', '');//fill in the data depending on page params later using set_data

        $mform->addElement('text', 'subject', get_string('subject', 'forumanon'), 'size="48"');

        $mform->setType('subject', PARAM_TEXT);

        $mform->addRule('subject', get_string('required'), 'required', null, 'client');

        $mform->addRule('subject', get_string('maximumchars', '', 255), 'maxlength', 255, 'client');



        $mform->addElement('editor', 'message', get_string('message', 'forumanon'), null, $editoroptions);

        $mform->setType('message', PARAM_RAW);

        $mform->addRule('message', get_string('required'), 'required', null, 'client');



        if (isset($forum->id) && forumanon_is_forcesubscribed($forum)) {



            $mform->addElement('static', 'subscribemessage', get_string('subscription', 'forumanon'), get_string('everyoneissubscribed', 'forumanon'));

            $mform->addElement('hidden', 'subscribe');

            $mform->setType('subscribe', PARAM_INT);

            $mform->addHelpButton('subscribemessage', 'subscription', 'forumanon');



        } else if (isset($forum->forcesubscribe)&& $forum->forcesubscribe != FORUMANON_DISALLOWSUBSCRIBE ||

                   has_capability('moodle/course:manageactivities', $coursecontext)) {



                $options = array();

                $options[0] = get_string('subscribestop', 'forumanon');

                $options[1] = get_string('subscribestart', 'forumanon');



                $mform->addElement('select', 'subscribe', get_string('subscription', 'forumanon'), $options);

                $mform->addHelpButton('subscribe', 'subscription', 'forumanon');

            } else if ($forum->forcesubscribe == FORUMANON_DISALLOWSUBSCRIBE) {

                $mform->addElement('static', 'subscribemessage', get_string('subscription', 'forumanon'), get_string('disallowsubscribe', 'forumanon'));

                $mform->addElement('hidden', 'subscribe');

                $mform->setType('subscribe', PARAM_INT);

                $mform->addHelpButton('subscribemessage', 'subscription', 'forumanon');

            }



        if (!empty($forum->maxattachments) && $forum->maxbytes != 1 && has_capability('mod/forumanon:createattachment', $modcontext))  {  //  1 = No attachments at all

            $mform->addElement('filemanager', 'attachments', get_string('attachment', 'forumanon'), null,

                array('subdirs'=>0,

                      'maxbytes'=>$forum->maxbytes,

                      'maxfiles'=>$forum->maxattachments,

                      'accepted_types'=>'*',

                      'return_types'=>FILE_INTERNAL));

            $mform->addHelpButton('attachments', 'attachment', 'forumanon');

        }



        if (empty($post->id) && has_capability('moodle/course:manageactivities', $coursecontext)) { // hack alert

            $mform->addElement('checkbox', 'mailnow', get_string('mailnow', 'forumanon'));

        }



        if (!empty($CFG->forumanon_enabletimedposts) && !$post->parent && has_capability('mod/forumanon:viewhiddentimedposts', $coursecontext)) { // hack alert

            $mform->addElement('header', '', get_string('displayperiod', 'forumanon'));



            $mform->addElement('date_selector', 'timestart', get_string('displaystart', 'forumanon'), array('optional'=>true));

            $mform->addHelpButton('timestart', 'displaystart', 'forumanon');



            $mform->addElement('date_selector', 'timeend', get_string('displayend', 'forumanon'), array('optional'=>true));

            $mform->addHelpButton('timeend', 'displayend', 'forumanon');



        } else {

            $mform->addElement('hidden', 'timestart');

            $mform->setType('timestart', PARAM_INT);

            $mform->addElement('hidden', 'timeend');

            $mform->setType('timeend', PARAM_INT);

            $mform->setConstants(array('timestart'=> 0, 'timeend'=>0));

        }



        if (groups_get_activity_groupmode($cm, $course)) { // hack alert

            if (empty($post->groupid)) {

                $groupname = get_string('allparticipants');

            } else {

                $group = groups_get_group($post->groupid);

                $groupname = format_string($group->name);

            }

            $mform->addElement('static', 'groupinfo', get_string('group'), $groupname);

        }

        

        //-------------------------------------------------------------------------------

        //  forumanon checkbox

        $forumanonon = TRUE;

        if ($forumanonon) {

            $mform->addElement('advcheckbox', 'anonymize', get_string('anonymize', 'forumanon'), null, array('onchange' => "if(this.checked == true) document.getElementById('anon_con_box').style.display = 'block'; else document.getElementById('anon_con_box').style.display = 'none'; "), array(0, 1));

            $mform->addHelpButton('anonymize', 'anonymize', 'forumanon');

			$anon_display = $this->_customdata['post']->anonymize ? 'block' : 'none';

            $mform->addElement('html', '<div id="anon_con_box" style="display:'.$anon_display.';">');

            $mform->addElement('html', '<div class="fitem">');

            $mform->addElement('html', '<div class="fitemtitle">'.get_string('anonconditiontitle', 'forumanon').'</div>');

            $mform->addElement('html', '<div class="felement">'.get_string('anonconditiontext', 'forumanon').'</div>');

            $mform->addElement('html', '</div>');

            //$mform->addElement('checkbox', 'anon_confirm', get_string('anonconfirm', 'forumanon'));

            $mform->addElement('advcheckbox', 'anon_confirm', get_string('anonconfirm', 'forumanon'), null, null, array(0, 1));

            $mform->addElement('html', '</div>');

        }

        //-------------------------------------------------------------------------------

        // buttons

        if (isset($post->edit)) { // hack alert

            $submit_string = get_string('savechanges');

        } else {

            $submit_string = get_string('posttoforum', 'forumanon');

        }

        $this->add_action_buttons(false, $submit_string);



        $mform->addElement('hidden', 'course');

        $mform->setType('course', PARAM_INT);



        $mform->addElement('hidden', 'forum');

        $mform->setType('forum', PARAM_INT);



        $mform->addElement('hidden', 'discussion');

        $mform->setType('discussion', PARAM_INT);



        $mform->addElement('hidden', 'parent');

        $mform->setType('parent', PARAM_INT);



        $mform->addElement('hidden', 'userid');

        $mform->setType('userid', PARAM_INT);



        $mform->addElement('hidden', 'groupid');

        $mform->setType('groupid', PARAM_INT);



        $mform->addElement('hidden', 'edit');

        $mform->setType('edit', PARAM_INT);



        $mform->addElement('hidden', 'reply');

        $mform->setType('reply', PARAM_INT);

    }



    function validation($data, $files) {

		global $DB, $USER;

        $errors = parent::validation($data, $files);

        if (($data['timeend']!=0) && ($data['timestart']!=0) && $data['timeend'] <= $data['timestart']) {

            $errors['timeend'] = get_string('timestartenderror', 'forumanon');

        }

        if (empty($data['message']['text'])) {

            $errors['message'] = get_string('erroremptymessage', 'forumanon');

        }

        if (empty($data['subject'])) {

            $errors['subject'] = get_string('erroremptysubject', 'forumanon');

        }

        if (($data['anonymize']==1) && ($data['anon_confirm']==0)) {

        	$errors['anon_confirm'] = get_string('erroremptyanonconfirm', 'forumanon');

        } else {

			if (0 == $DB->count_records('forumanon_statement',array('userid'=>$USER->id))) {

				$statement = new stdClass();

				$statement->userid = $USER->id;

				$DB->insert_record('forumanon_statement',$statement, FALSE);

			}

		}

        return $errors;

    }

}