moodle-local_mycerts/edit_form.php
Shamim Rezaie 6400e587d8 Added support for having right margin and width limit for each element
In addition to width and height, each page can have an
optional (right) margin attribute. Also, each element
can have an optional width attribute.
2015-08-05 14:16:56 -05:00

254 lines
12 KiB
PHP

<?php
// This file is part of the customcert module for 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/>.
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once($CFG->dirroot . '/course/moodleform_mod.php');
require_once($CFG->dirroot . '/mod/customcert/includes/colourpicker.php');
MoodleQuickForm::registerElementType('customcert_colourpicker',
$CFG->dirroot . '/mod/customcert/includes/colourpicker.php', 'MoodleQuickForm_customcert_colourpicker');
/**
* The form for handling the layout of the customcert instance.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class mod_customcert_edit_form extends moodleform {
/**
* The instance id.
*/
private $id = null;
/**
* The total number of pages for this cert.
*/
private $numpages = 1;
/**
* Form definition.
*/
public function definition() {
global $DB;
$this->id = $this->_customdata['customcertid'];
$mform =& $this->_form;
// Get the number of pages for this module.
if ($pages = $DB->get_records('customcert_pages', array('customcertid' => $this->id), 'pagenumber')) {
$this->numpages = count($pages);
foreach ($pages as $p) {
$this->add_customcert_page_elements($p);
}
}
$mform->closeHeaderBefore('addcertpage');
$mform->addElement('submit', 'addcertpage', get_string('addcertpage', 'customcert'));
$mform->closeHeaderBefore('submitbtn');
// Add the submit buttons.
$group = array();
$group[] = $mform->createElement('submit', 'submitbtn', get_string('savechanges'));
$group[] = $mform->createElement('submit', 'previewbtn', get_string('savechangespreview', 'customcert'));
$mform->addElement('group', 'submitbtngroup', '', $group, '', false);
$mform->addElement('hidden', 'id');
$mform->setType('id', PARAM_INT);
$mform->setDefault('id', $this->id);
$mform->addElement('hidden', 'cmid');
$mform->setType('cmid', PARAM_INT);
$mform->setDefault('cmid', $this->_customdata['cmid']);
}
/**
* Fill in the current page data for this customcert.
*/
public function definition_after_data() {
global $DB;
$mform = $this->_form;
// Check that we are updating a current customcert.
if ($this->id) {
// Get the pages for this customcert.
if ($pages = $DB->get_records('customcert_pages', array('customcertid' => $this->id))) {
// Loop through the pages.
foreach ($pages as $p) {
// Set the width.
$element = $mform->getElement('pagewidth_' . $p->id);
$element->setValue($p->width);
// Set the height.
$element = $mform->getElement('pageheight_' . $p->id);
$element->setValue($p->height);
// Set the margin.
$element = $mform->getElement('pagemargin_' . $p->id);
$element->setValue($p->margin);
}
}
}
}
/**
* Some basic validation.
*
* @param $data
* @param $files
* @return array the errors that were found
*/
public function validation($data, $files) {
$errors = parent::validation($data, $files);
// Go through the data and check any width, height or margin values.
foreach ($data as $key => $value) {
if (strpos($key, 'pagewidth_') !== false) {
$page = str_replace('pagewidth_', '', $key);
$widthid = 'pagewidth_' . $page;
// Validate that the width is a valid value.
if ((!isset($data[$widthid])) || (!is_numeric($data[$widthid])) || ($data[$widthid] <= 0)) {
$errors[$widthid] = get_string('invalidwidth', 'customcert');
}
}
if (strpos($key, 'pageheight_') !== false) {
$page = str_replace('pageheight_', '', $key);
$heightid = 'pageheight_' . $page;
// Validate that the height is a valid value.
if ((!isset($data[$heightid])) || (!is_numeric($data[$heightid])) || ($data[$heightid] <= 0)) {
$errors[$heightid] = get_string('invalidheight', 'customcert');
}
}
if (strpos($key, 'pagemargin_') !== false) {
// Validate that the margin is a valid value.
if (isset($data[$key]) && ($data[$key] < 0)) {
$errors[$key] = get_string('invalidmargin', 'customcert');
}
}
}
return $errors;
}
/**
* Adds the page elements to the form.
*
* @param stdClass $page the customcert page
*/
private function add_customcert_page_elements($page) {
global $DB, $OUTPUT;
// Create the form object.
$mform =& $this->_form;
$mform->addElement('header', 'page_' . $page->id, get_string('page', 'customcert', $page->pagenumber));
// Place the ordering arrows.
// Only display the move up arrow if it is not the first.
if ($page->pagenumber > 1) {
$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'moveup' => $page->id));
$mform->addElement('html', $OUTPUT->action_icon($url, new pix_icon('t/up', get_string('moveup'))));
}
// Only display the move down arrow if it is not the last.
if ($page->pagenumber < $this->numpages) {
$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'movedown' => $page->id));
$mform->addElement('html', $OUTPUT->action_icon($url, new pix_icon('t/down', get_string('movedown'))));
}
$mform->addElement('text', 'pagewidth_' . $page->id, get_string('width', 'customcert'));
$mform->setType('pagewidth_' . $page->id, PARAM_INT);
$mform->setDefault('pagewidth_' . $page->id, '210');
$mform->addRule('pagewidth_' . $page->id, null, 'required', null, 'client');
$mform->addHelpButton('pagewidth_' . $page->id, 'width', 'customcert');
$mform->addElement('text', 'pageheight_' . $page->id, get_string('height', 'customcert'));
$mform->setType('pageheight_' . $page->id, PARAM_INT);
$mform->setDefault('pageheight_' . $page->id, '297');
$mform->addRule('pageheight_' . $page->id, null, 'required', null, 'client');
$mform->addHelpButton('pageheight_' . $page->id, 'height', 'customcert');
$mform->addElement('text', 'pagemargin_' . $page->id, get_string('margin', 'customcert'));
$mform->setType('pagemargin_' . $page->id, PARAM_INT);
$mform->addHelpButton('pagemargin_' . $page->id, 'margin', 'customcert');
$mform->addElement('submit', 'downloadgrid_' . $page->id, get_string('downloadgrid', 'customcert'));
$group = array();
$group[] = $mform->createElement('select', 'element_' . $page->id, '', customcert_get_elements());
$group[] = $mform->createElement('submit', 'addelement_' . $page->id, get_string('addelement', 'customcert'));
$mform->addElement('group', 'elementgroup', '', $group, '', false);
// Check if there are elements to add.
if ($elements = $DB->get_records('customcert_elements', array('pageid' => $page->id), 'sequence ASC')) {
// Get the total number of elements.
$numelements = count($elements);
// Create a table to display these elements.
$table = new html_table();
$table->head = array(get_string('name', 'customcert'), get_string('type', 'customcert'), '');
$table->align = array('left', 'left', 'center');
// If we have more than one element then we can change the order, so add extra column for the up and down arrow.
if ($numelements > 1) {
$table->head[] = '';
$table->align[] = 'center';
}
// Loop through and add the elements to the table.
foreach ($elements as $element) {
$row = new html_table_row();
$row->cells[] = $element->name;
$row->cells[] = $element->element;
// Link to edit this element.
$editlink = new moodle_url('/mod/customcert/edit_element.php', array('id' => $element->id,
'cmid' => $this->_customdata['cmid'],
'action' => 'edit'));
$icons = $OUTPUT->action_icon($editlink, new pix_icon('t/edit', get_string('edit')));
// Link to delete the element.
$deletelink = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'deleteelement' => $element->id));
$icons .= $OUTPUT->action_icon($deletelink, new pix_icon('t/delete', get_string('delete', 'customcert')));
// Now display any moving arrows if they are needed.
if ($numelements > 1) {
// Only display the move up arrow if it is not the first.
$moveicons = '';
if ($element->sequence > 1) {
$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'emoveup' => $element->id));
$moveicons .= $OUTPUT->action_icon($url, new pix_icon('t/up', get_string('moveup')));
}
// Only display the move down arrow if it is not the last.
if ($element->sequence < $numelements) {
$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'emovedown' => $element->id));
$moveicons .= $OUTPUT->action_icon($url, new pix_icon('t/down', get_string('movedown')));
}
$icons .= $moveicons;
}
$row->cells[] = $icons;
$table->data[] = $row;
}
// Add the table to the form.
$mform->addElement('static', 'elements_' . $page->id, get_string('elements', 'customcert'), html_writer::table($table));
$mform->addHelpButton('elements_' . $page->id, 'elements', 'customcert');
}
// Add option to delete this page if there is more than one page.
if ($this->numpages > 1) {
// Link to delete the element.
$deletelink = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'deletepage' => $page->id));
$deletelink = html_writer::tag('a', get_string('deletecertpage', 'customcert'), array('href' => $deletelink->out(false), 'class' => 'deletebutton'));
$mform->addElement('html', html_writer::tag('div', $deletelink, array('class' => 'deletebutton')));
}
}
}