KumiSystems/moodle-local_mycerts
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Introduced an image element and refactored the code in the process so less code was required in the new element

Browse source
This commit is contained in:
Mark Nelson 2013-05-30 16:28:47 +08:00
parent 33a711b240
commit 0dc1ef19c9
9 changed files with 482 additions and 200 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

75
edit_form.php
View file

@ -57,7 +57,7 @@ class mod_customcert_edit_form extends moodleform {
* Form definition.
*/
function definition() {
global $CFG, $DB, $OUTPUT;
global $DB;
$this->id = $this->_customdata['customcertid'];
$this->filemanageroptions = array('maxbytes' => $this->_customdata['course']->maxbytes,
@ -118,10 +118,10 @@ class mod_customcert_edit_form extends moodleform {
$element = $mform->getElement('orientation_' . $p->id);
$element->setValue($p->orientation);
// Set the width.
$element = $mform->getElement('width_' . $p->id);
$element = $mform->getElement('pagewidth_' . $p->id);
$element->setValue($p->width);
// Set the height.
$element = $mform->getElement('height_' . $p->id);
$element = $mform->getElement('pageheight_' . $p->id);
$element->setValue($p->height);
}
}
@ -140,20 +140,20 @@ class mod_customcert_edit_form extends moodleform {
// Go through the data and check any width or height values.
foreach ($data as $key => $value) {
if (strpos($key, 'width_') !== false) {
$page = str_replace('width_', '', $key);
$widthid = 'width_' . $page;
if (strpos($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('widthnotvalid', 'customcert');
$errors[$widthid] = get_string('invalidwidth', 'customcert');
}
}
if (strpos($key, 'height_') !== false) {
$page = str_replace('height_', '', $key);
$heightid = 'height_' . $page;
if (strpos($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('heightnotvalid', 'customcert');
$errors[$heightid] = get_string('invalidheight', 'customcert');
}
}
}
@ -179,57 +179,54 @@ class mod_customcert_edit_form extends moodleform {
// Create the form object.
$mform =& $this->_form;
$pageid = $page->id;
$pagenum = $page->pagenumber;
$mform->addElement('header', 'page_' . $pageid, get_string('page', 'customcert', $pagenum));
$mform->addElement('header', 'page_' . $page->id, get_string('page', 'customcert', $page->pagenumber));
// Place the ordering arrows.
// Only display the move up arrow if it is not the first.
if ($pagenum > 1) {
$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'moveup' => $pageid));
if ($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 ($pagenum < $this->numpages) {
$url = new moodle_url('/mod/customcert/edit.php', array('cmid' => $this->_customdata['cmid'], 'movedown' => $pageid));
if ($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'))));
}
$orientationoptions = array('L' => get_string('landscape', 'customcert'),
'P' => get_string('portrait', 'customcert'));
$mform->addElement('select', 'orientation_' . $pageid, get_string('orientation', 'customcert'), $orientationoptions);
$mform->setDefault('orientation_' . $pageid, 'P');
$mform->addHelpButton('orientation_' . $pageid, 'orientation', 'customcert');
$mform->addElement('select', 'orientation_' . $page->id, get_string('orientation', 'customcert'), $orientationoptions);
$mform->setDefault('orientation_' . $page->id, 'P');
$mform->addHelpButton('orientation_' . $page->id, 'orientation', 'customcert');
$mform->addElement('text', 'width_' . $pageid, get_string('width', 'customcert'));
$mform->setType('width_' . $pageid, PARAM_INT);
$mform->setDefault('width_' . $pageid, '210');
$mform->addRule('width_' . $pageid, null, 'required', null, 'client');
$mform->addHelpButton('width_' . $pageid, 'width', 'customcert');
$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', 'height_' . $pageid, get_string('height', 'customcert'));
$mform->setType('height_' . $pageid, PARAM_INT);
$mform->setDefault('height_' . $pageid, '297');
$mform->addRule('height_' . $pageid, null, 'required', null, 'client');
$mform->addHelpButton('height_' . $pageid, 'height', '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');
$group = array();
$group[] = $mform->createElement('select', 'element_' . $pageid, '', customcert_get_elements());
$group[] = $mform->createElement('submit', 'addelement_' . $pageid, get_string('addelement', 'customcert'));
$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);
$mform->addElement('submit', 'addcertpage_' . $pageid, get_string('addcertpage', 'customcert'));
$mform->addElement('submit', 'addcertpage_' . $page->id, get_string('addcertpage', 'customcert'));
// Add option to delete this page if there is more than one page.
if ($this->numpages > 1) {
$mform->addElement('html', html_writer::start_tag('div', array('class' => 'deletebutton')));
$mform->addElement('submit', 'deletecertpage_' . $pageid, get_string('deletecertpage', 'customcert'));
$mform->addElement('submit', 'deletecertpage_' . $page->id, get_string('deletecertpage', 'customcert'));
$mform->addElement('html', html_writer::end_tag('div'));
}
// Check if there are elements to add.
if ($elements = $DB->get_records('customcert_elements', array('pageid' => $pageid), 'sequence ASC')) {
if ($elements = $DB->get_records('customcert_elements', array('pageid' => $page->id), 'sequence ASC')) {
// Get the total number of elements.
$numelements = count($elements);
// Loop through and add the ones present.
@ -239,7 +236,7 @@ class mod_customcert_edit_form extends moodleform {
// this is the case we do not want to render these elements as an error will occur.
if (file_exists($classfile)) {
// Add element header.
$mform->addElement('header', 'headerelement_' . $element->id, get_string('page', 'customcert', $pagenum) . " - " .
$mform->addElement('header', 'headerelement_' . $element->id, get_string('page', 'customcert', $page->pagenumber) . " - " .
get_string('pluginname', 'customcertelement_' . $element->element));
// We do not need to expand these elements if the modified time is greater than the created time as it
// means the values have already been altered by the user - ie. the element has not just been created.
@ -259,7 +256,7 @@ class mod_customcert_edit_form extends moodleform {
$mform->addElement('html', $OUTPUT->action_icon($url, new pix_icon('t/down', get_string('movedown'))));
}
// Add the page number to the element so we can use within the element.
$element->pagenum = $pagenum;
$element->pagenum = $page->pagenumber;
// Get the classname.
$classname = "customcert_element_{$element->element}";
$e = new $classname($element);

22
elements/date/lib.php
View file

@ -44,9 +44,6 @@ class customcert_element_date extends customcert_element_base {
* @param stdClass $mform the edit_form instance.
*/
public function render_form_elements($mform) {
// The identifier.
$id = $this->element->id;
$dateitem = '';
$dateformat = '';
@ -62,17 +59,17 @@ class customcert_element_date extends customcert_element_base {
$dateoptions['1'] = get_string('issueddate', 'certificate');
$dateoptions['2'] = get_string('completiondate', 'certificate');
$dateoptions = $dateoptions + customcert_element_grade::get_grade_items();
$mform->addElement('select', 'dateitem_' . $id, get_string('dateitem', 'customcertelement_date'), $dateoptions);
$mform->addElement('select', 'dateformat_' . $id, get_string('dateformat', 'customcertelement_date'), customcert_element_date::get_date_formats());
$mform->addElement('select', 'dateitem_' . $this->element->id, get_string('dateitem', 'customcertelement_date'), $dateoptions);
$mform->addElement('select', 'dateformat_' . $this->element->id, get_string('dateformat', 'customcertelement_date'), customcert_element_date::get_date_formats());
parent::render_form_elements($mform);
$mform->setDefault('dateitem_' . $id, $dateitem);
$mform->setDefault('dateformat_' . $id, $dateformat);
$mform->setDefault('dateitem_' . $this->element->id, $dateitem);
$mform->setDefault('dateformat_' . $this->element->id, $dateformat);
// Add help buttons.
$mform->addHelpButton('dateitem_' . $id, 'dateitem', 'customcertelement_date');
$mform->addHelpButton('dateformat_' . $id, 'dateformat', 'customcertelement_date');
$mform->addHelpButton('dateitem_' . $this->element->id, 'dateitem', 'customcertelement_date');
$mform->addHelpButton('dateformat_' . $this->element->id, 'dateformat', 'customcertelement_date');
}
/**
@ -83,13 +80,10 @@ class customcert_element_date extends customcert_element_base {
* @return string the json encoded array
*/
public function save_unique_data($data) {
// The identifier.
$id = $this->element->id;
// Get the date item and format from the form.
$dateitem = 'dateitem_' . $id;
$dateitem = 'dateitem_' . $this->element->id;
$dateitem = $data->$dateitem;
$dateformat = 'dateformat_' . $id;
$dateformat = 'dateformat_' . $this->element->id;
$dateformat = $data->$dateformat;
// Array of data we will be storing in the database.

269
elements/element.class.php
View file

@ -55,48 +55,16 @@ class customcert_element_base {
public static function add_element($element, $pageid) {
global $DB;
// Set the time as a variable.
$time = time();
$data = new stdClass();
$data->pageid = $pageid;
$data->element = $element;
$data = customcert_element_base::get_required_attributes($element, $pageid);
$data->font = 'times';
$data->size = '12';
$data->colour = '#000000';
$data->posx = '250';
$data->posy = '250';
$data->sequence = customcert_element_base::get_element_sequence($pageid);
$data->timecreated = $time;
$data->timemodified = $time;
$data->posx = '0';
$data->posy = '0';
$DB->insert_record('customcert_elements', $data);
}
/**
* Returns the sequence on a specified customcert page for a
* newly created element.
*
* @param int $pageid the id of the page we are adding this element to
* @return int the element number
*/
public static function get_element_sequence($pageid) {
global $DB;
// Set the sequence of the element we are creating.
$sequence = 1;
// Check if there already elements that exist, if so, overwrite value.
$sql = "SELECT MAX(sequence) as maxsequence
FROM {customcert_elements}
WHERE pageid = :id";
// Get the current max sequence on this page and add 1 to get the new sequence.
if ($maxseq = $DB->get_record_sql($sql, array('id' => $pageid))) {
$sequence = $maxseq->maxsequence + 1;
}
return $sequence;
}
/**
* This function renders the form elements when adding a customcert element.
* Can be overridden if more functionality is needed.
@ -104,39 +72,10 @@ class customcert_element_base {
* @param stdClass $mform the edit_form instance.
*/
public function render_form_elements($mform) {
// The identifier.
$id = $this->element->id;
// Commonly used string.
$strrequired = get_string('required');
// The common elements.
$mform->addElement('select', 'font_' . $id, get_string('font', 'customcert'), customcert_get_fonts());
$mform->addElement('select', 'size_' . $id, get_string('fontsize', 'customcert'), customcert_get_font_sizes());
$mform->addElement('customcert_colourpicker', 'colour_' . $id, get_string('fontcolour', 'customcert'));
$mform->addElement('text', 'posx_' . $id, get_string('posx', 'customcert'), array('size' => 10));
$mform->addElement('text', 'posy_' . $id, get_string('posy', 'customcert'), array('size' => 10));
// Set the types of these elements.
$mform->setType('font_' . $id, PARAM_TEXT);
$mform->setType('size_' . $id, PARAM_INT);
$mform->setType('colour_' . $id, PARAM_RAW); // Need to validate that this is a valid colour.
$mform->setType('posx_' . $id, PARAM_INT);
$mform->setType('posy_' . $id, PARAM_INT);
// Set the values of these elements.
$mform->setDefault('font_' . $id, $this->element->font);
$mform->setDefault('size_' . $id, $this->element->size);
$mform->setDefault('colour_' . $id, $this->element->colour);
$mform->setDefault('posx_' . $id, $this->element->posx);
$mform->setDefault('posy_' . $id, $this->element->posy);
// Add help buttons.
$mform->addHelpButton('font_' . $id, 'font', 'customcert');
$mform->addHelpButton('size_' . $id, 'fontsize', 'customcert');
$mform->addHelpButton('colour_' . $id, 'fontcolour', 'customcert');
$mform->addHelpButton('posx_' . $id, 'posx', 'customcert');
$mform->addHelpButton('posy_' . $id, 'posy', 'customcert');
// Render the common elements.
$this->render_form_elements_font($mform);
$this->render_form_elements_colour($mform);
$this->render_form_elements_position($mform);
}
/**
@ -148,31 +87,12 @@ class customcert_element_base {
* @return array the validation errors
*/
public function validate_form_elements($data, $files) {
// Array to return the errors.
$errors = array();
// The identifier.
$id = $this->element->id;
// Validate the colour.
$colour = 'colour_' . $id;
$colourdata = $data[$colour];
if (!$this->validate_colour($colourdata)) {
$errors[$colour] = get_string('invalidcolour', 'customcert');
}
// Get position X.
$posx = 'posx_' . $id;
// Check if posx is not set, or not numeric or less than 0.
if ((!isset($data[$posx])) || (!is_numeric($data[$posx])) || ($data[$posx] <= 0)) {
$errors[$posx] = get_string('invalidposition', 'customcert', 'X');
}
// Get position Y.
$posy = 'posy_' . $id;
// Check if posy is not set, or not numeric or less than 0.
if ((!isset($data[$posy])) || (!is_numeric($data[$posy])) || ($data[$posy] <= 0)) {
$errors[$posy] = get_string('invalidposition', 'customcert', 'Y');
}
// Common validation methods.
$errors += $this->validate_form_elements_colour($data);
$errors += $this->validate_form_elements_position($data);
return $errors;
}
@ -186,26 +106,22 @@ class customcert_element_base {
public function save_form_elements($data) {
global $DB;
// The identifier.
$id = $this->element->id;
// Get the name of the fields we want from the form.
$datainfo = $this->save_unique_data($data);
$font = 'font_' . $id;
$size = 'size_' . $id;
$colour = 'colour_' . $id;
$posx = 'posx_' . $id;
$posy = 'posy_' . $id;
$font = 'font_' . $this->element->id;
$size = 'size_' . $this->element->id;
$colour = 'colour_' . $this->element->id;
$posx = 'posx_' . $this->element->id;
$posy = 'posy_' . $this->element->id;
// Get the data from the form.
$element = new stdClass();
$element->id = $id;
$element->data = $datainfo;
$element->font = (!empty($data->$font)) ? $data->$font : null;
$element->size = (!empty($data->$size)) ? $data->$size : null;
$element->colour = (!empty($data->$colour)) ? $data->$colour : null;
$element->posx = (!empty($data->$posx)) ? $data->$posx : null;
$element->posy = (!empty($data->$posy)) ? $data->$posy : null;
$element->id = $this->element->id;
$element->data = $this->save_unique_data($data);
$element->font = (isset($data->$font)) ? $data->$font : null;
$element->size = (isset($data->$size)) ? $data->$size : null;
$element->colour = (isset($data->$colour)) ? $data->$colour : null;
$element->posx = (isset($data->$posx)) ? $data->$posx : null;
$element->posy = (isset($data->$posy)) ? $data->$posy : null;
$element->timemodified = time();
// Ok, now update record in the database.
@ -284,6 +200,144 @@ class customcert_element_base {
return $DB->delete_records('customcert_elements', array('id' => $this->element->id));
}
/**
* Helper function responsible for setting the default values for the required variables
* for an element. This should be set the same way regardless of elements.
*
* @param string $element the name of the element
* @param int $pageid the page id we are saving it to
* @return stdClass the required attributes
*/
public static function get_required_attributes($element, $pageid) {
// Set the time as a variable.
$time = time();
$data = new stdClass();
$data->pageid = $pageid;
$data->element = $element;
$data->sequence = customcert_element_base::get_element_sequence($pageid);
$data->timecreated = $time;
$data->timemodified = $time;
return $data;
}
/**
* Helper function that returns the sequence on a specified customcert page for a
* newly created element.
*
* @param int $pageid the id of the page we are adding this element to
* @return int the element number
*/
public static function get_element_sequence($pageid) {
global $DB;
// Set the sequence of the element we are creating.
$sequence = 1;
// Check if there already elements that exist, if so, overwrite value.
$sql = "SELECT MAX(sequence) as maxsequence
FROM {customcert_elements}
WHERE pageid = :id";
// Get the current max sequence on this page and add 1 to get the new sequence.
if ($maxseq = $DB->get_record_sql($sql, array('id' => $pageid))) {
$sequence = $maxseq->maxsequence + 1;
}
return $sequence;
}
/**
* Helper function to render the font elements.
*
* @param stdClass $mform the edit_form instance.
*/
public function render_form_elements_font($mform) {
$mform->addElement('select', 'font_' . $this->element->id, get_string('font', 'customcert'), customcert_get_fonts());
$mform->setType('font_' . $this->element->id, PARAM_TEXT);
$mform->setDefault('font_' . $this->element->id, $this->element->font);
$mform->addHelpButton('font_' . $this->element->id, 'font', 'customcert');
$mform->addElement('select', 'size_' . $this->element->id, get_string('fontsize', 'customcert'), customcert_get_font_sizes());
$mform->setType('size_' . $this->element->id, PARAM_INT);
$mform->setDefault('size_' . $this->element->id, $this->element->size);
$mform->addHelpButton('size_' . $this->element->id, 'fontsize', 'customcert');
}
/**
* Helper function to render the colour elements.
*
* @param stdClass $mform the edit_form instance.
*/
public function render_form_elements_colour($mform) {
$mform->addElement('customcert_colourpicker', 'colour_' . $this->element->id, get_string('fontcolour', 'customcert'));
$mform->setType('colour_' . $this->element->id, PARAM_RAW); // Need to validate that this is a valid colour.
$mform->setDefault('colour_' . $this->element->id, $this->element->colour);
$mform->addHelpButton('colour_' . $this->element->id, 'fontcolour', 'customcert');
}
/**
* Helper function to render the position elements.
*
* @param stdClass $mform the edit_form instance.
*/
public function render_form_elements_position($mform) {
$mform->addElement('text', 'posx_' . $this->element->id, get_string('posx', 'customcert'), array('size' => 10));
$mform->setType('posx_' . $this->element->id, PARAM_INT);
$mform->setDefault('posx_' . $this->element->id, $this->element->posx);
$mform->addHelpButton('posx_' . $this->element->id, 'posx', 'customcert');
$mform->addElement('text', 'posy_' . $this->element->id, get_string('posy', 'customcert'), array('size' => 10));
$mform->setType('posy_' . $this->element->id, PARAM_INT);
$mform->setDefault('posy_' . $this->element->id, $this->element->posy);
$mform->addHelpButton('posy_' . $this->element->id, 'posy', 'customcert');
}
/**
* Helper function to performs validation on the colour element.
*
* @param array $data the submitted data
* @return array the validation errors
*/
public function validate_form_elements_colour($data) {
$errors = array();
// Validate the colour.
$colour = 'colour_' . $this->element->id;
$colourdata = $data[$colour];
if (!$this->validate_colour($colourdata)) {
$errors[$colour] = get_string('invalidcolour', 'customcert');
}
return $errors;
}
/**
* Helper function to performs validation on the position elements.
*
* @param array $data the submitted data
* @return array the validation errors
*/
public function validate_form_elements_position($data) {
$errors = array();
// Get position X.
$posx = 'posx_' . $this->element->id;
// Check if posx is not set, or not numeric or less than 0.
if ((!isset($data[$posx])) || (!is_numeric($data[$posx])) || ($data[$posx] < 0)) {
$errors[$posx] = get_string('invalidposition', 'customcert', 'X');
}
// Get position Y.
$posy = 'posy_' . $this->element->id;
// Check if posy is not set, or not numeric or less than 0.
if ((!isset($data[$posy])) || (!is_numeric($data[$posy])) || ($data[$posy] < 0)) {
$errors[$posy] = get_string('invalidposition', 'customcert', 'Y');
}
return $errors;
}
/**
* Sets the font for the element.
*
@ -314,7 +368,6 @@ class customcert_element_base {
$font = substr($font, 0, -1);
$attr .= 'B';
}
// Check if this font is going to be bold.
$pdf->setFont($font, $attr, $this->element->size);
}

22
elements/grade/lib.php
View file

@ -52,9 +52,6 @@ class customcert_element_grade extends customcert_element_base {
* @param stdClass $mform the edit_form instance.
*/
public function render_form_elements($mform) {
// The identifier.
$id = $this->element->id;
$gradeitem = '';
$gradeformat = '';
@ -71,17 +68,17 @@ class customcert_element_grade extends customcert_element_base {
$gradeitems = $gradeitems + customcert_element_grade::get_grade_items();
// The grade items.
$mform->addElement('select', 'gradeitem_' . $id, get_string('gradeitem', 'customcertelement_grade'), $gradeitems);
$mform->addElement('select', 'gradeitem_' . $this->element->id, get_string('gradeitem', 'customcertelement_grade'), $gradeitems);
$mform->setType('gradeitem_', PARAM_INT);
$mform->setDefault('gradeitem_' . $id, $gradeitem);
$mform->addHelpButton('gradeitem_' . $id, 'gradeitem', 'customcertelement_grade');
$mform->setDefault('gradeitem_' . $this->element->id, $gradeitem);
$mform->addHelpButton('gradeitem_' . $this->element->id, 'gradeitem', 'customcertelement_grade');
// The grade format.
$mform->addElement('select', 'gradeformat_' . $id, get_string('gradeformat', 'customcertelement_grade'),
$mform->addElement('select', 'gradeformat_' . $this->element->id, get_string('gradeformat', 'customcertelement_grade'),
customcert_element_grade::get_grade_format_options());
$mform->setType('gradeformat_', PARAM_INT);
$mform->setDefault('gradeformat_' . $id, $gradeformat);
$mform->addHelpButton('gradeformat_' . $id, 'gradeformat', 'customcertelement_grade');
$mform->setDefault('gradeformat_' . $this->element->id, $gradeformat);
$mform->addHelpButton('gradeformat_' . $this->element->id, 'gradeformat', 'customcertelement_grade');
parent::render_form_elements($mform);
}
@ -94,13 +91,10 @@ class customcert_element_grade extends customcert_element_base {
* @return string the json encoded array
*/
public function save_unique_data($data) {
// The identifier.
$id = $this->element->id;
// Get the grade item and format from the form.
$gradeitem = 'gradeitem_' . $id;
$gradeitem = 'gradeitem_' . $this->element->id;
$gradeitem = $data->$gradeitem;
$gradeformat = 'gradeformat_' . $id;
$gradeformat = 'gradeformat_' . $this->element->id;
$gradeformat = $data->$gradeformat;
// Array of data we will be storing in the database.

33
elements/image/lang/en/customcertelement_image.php Normal file
View file

@ -0,0 +1,33 @@
<?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/>.
/**
* Strings for component 'customcertelement_image', language 'en'.
*
* @package customcertelement_image
* @copyright Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
$string['height'] = 'Height';
$string['height_help'] = 'Height of the image in the page. If equal to zero, it is automatically calculated.';
$string['image'] = 'Image';
$string['invalidheight'] = 'The height has to be a valid number greater than 0.';
$string['invalidwidth'] = 'The width has to be a valid number greater than 0.';
$string['pluginname'] = 'Image';
$string['width'] = 'Width';
$string['width_help'] = 'Width of the image in the page. If equal to zero, it is automatically calculated.';

202
elements/image/lib.php Normal file
View file

@ -0,0 +1,202 @@
<?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/>.
/**
* The image elements core interaction API.
*
* @package customcertelement_image
* @copyright Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once($CFG->dirroot . '/mod/customcert/elements/element.class.php');
class customcert_element_image extends customcert_element_base {
/**
* Constructor.
*
* @param stdClass $element the element data
*/
function __construct($element) {
parent::__construct($element);
}
/**
* This function is responsible for adding the element for the first time
* to the database when no data has yet been specified, default values set.
* Can be overridden if more functionality is needed.
*
* @param string $element the name of the element
* @param int $pageid the page id we are saving it to
*/
public static function add_element($element, $pageid) {
global $DB;
$data = customcert_element_base::get_required_attributes($element, $pageid);
$data->width = '0';
$data->height = '0';
$data->posx = '0';
$data->posy = '0';
$DB->insert_record('customcert_elements', $data);
}
/**
* This function renders the form elements when adding a customcert element.
*
* @param stdClass $mform the edit_form instance.
*/
public function render_form_elements($mform) {
$image = '';
$width = '0';
$height = '0';
// Check if there is any data for this element.
if (!empty($this->element->data)) {
$imageinfo = json_decode($this->element->data);
$image = $imageinfo->pathnamehash;
$width = $imageinfo->width;
$height = $imageinfo->height;
}
$mform->addElement('select', 'image_' . $this->element->id, get_string('image', 'customcertelement_image'), self::get_images());
$mform->setDefault('image_' . $this->element->id, $image);
$mform->addElement('text', 'imagewidth_' . $this->element->id, get_string('width', 'customcertelement_image'), array('size' => 10));
$mform->setType('imagewidth_' . $this->element->id, PARAM_INT);
$mform->setDefault('imagewidth_' . $this->element->id, $width);
$mform->addHelpButton('imagewidth_' . $this->element->id, 'width', 'customcertelement_image');
$mform->addElement('text', 'imageheight_' . $this->element->id, get_string('height', 'customcertelement_image'), array('size' => 10));
$mform->setType('imageheight_' . $this->element->id, PARAM_INT);
$mform->setDefault('imageheight_' . $this->element->id, $height);
$mform->addHelpButton('imageheight_' . $this->element->id, 'height', 'customcertelement_image');
parent::render_form_elements_position($mform);
}
/**
* Performs validation on the element values.
*
* @param array $data the submitted data
* @param array $files the submitted files
* @return array the validation errors
*/
public function validate_form_elements($data, $files) {
// Array to return the errors.
$errors = array();
// Get width.
$width = 'imagewidth_' . $this->element->id;
// Check if width is not set, or not numeric or less than 0.
if ((!isset($data[$width])) || (!is_numeric($data[$width])) || ($data[$width] < 0)) {
$errors[$width] = get_string('invalidwidth', 'customcertelement_image');
}
// Get height.
$height = 'imageheight_' . $this->element->id;
// Check if height is not set, or not numeric or less than 0.
if ((!isset($data[$height])) || (!is_numeric($data[$height])) || ($data[$height] < 0)) {
$errors[$height] = get_string('invalidheight', 'customcertelement_image');
}
// Validate the position.
$errors += $this->validate_form_elements_position($data);
return $errors;
}
/**
* This will handle how form data will be saved into the data column in the
* customcert_elements table.
*
* @param stdClass $data the form data.
* @return string the json encoded array
*/
public function save_unique_data($data) {
// Get the date item and format from the form.
$image = 'image_' . $this->element->id;
$image = $data->$image;
$width = 'imagewidth_' . $this->element->id;
$width = $data->$width;
$height = 'imageheight_' . $this->element->id;
$height = $data->$height;
// Array of data we will be storing in the database.
$arrtostore = array(
'pathnamehash' => $image,
'width' => $width,
'height' => $height
);
return json_encode($arrtostore);
}
/**
* Handles rendering the element on the pdf.
*
* @param stdClass $pdf the pdf object
* @param int $userid
*/
public function render($pdf, $userid) {
global $CFG;
// If there is no element data, we have nothing to display.
if (empty($this->element->data)) {
return;
}
$imageinfo = json_decode($this->element->data);
$image = $imageinfo->pathnamehash;
$width = $imageinfo->width;
$height = $imageinfo->height;
// Get the image.
$fs = get_file_storage();
if ($file = $fs->get_file_by_hash($image)) {
$contenthash = $file->get_contenthash();
$l1 = $contenthash[0] . $contenthash[1];
$l2 = $contenthash[2] . $contenthash[3];
$location = $CFG->dataroot . '/filedir' . '/' . $l1 . '/' . $l2 . '/' . $contenthash;
$pdf->Image($location, $this->element->posx, $this->element->posy, $width, $height);
}
}
/**
* Return the list of possible images to use.
*
* @return array the list of images that can be used.
*/
public static function get_images() {
// Create file storage object.
$fs = get_file_storage();
// The array used to store the images.
$arrfiles = array();
$arrfiles[0] = get_string('noimage', 'customcert');
if ($files = $fs->get_area_files(context_system::instance()->id, 'mod_customcert', 'image', false, 'filename', false)) {
foreach ($files as $hash => $file) {
$arrfiles[$hash] = $file->get_filename();
}
}
return $arrfiles;
}
}

30
elements/image/version.php Normal file
View file

@ -0,0 +1,30 @@
<?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/>.
/**
* This file contains the version information for the image plugin.
*
* @package customcertelement_image
* @copyright Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
$plugin->version = 2013053000;
$plugin->requires = 2013040500; // Requires this Moodle version.
$plugin->component = 'customcertelement_image';

4
lang/en/customcert.php
View file

@ -50,10 +50,11 @@ $string['fontsize'] = 'Size';
$string['fontsize_help'] = 'The size of the font in points.';
$string['getcustomcert'] = 'Get your custom certificate';
$string['height'] = 'Height';
$string['heightnotvalid'] = 'The height has to be a valid number greater than 0.';
$string['height_help'] = 'This is the height of the certificate PDF in mm. For reference an A4 piece of paper is 297mm high and a letter is 279mm high.';
$string['invalidcolour'] = 'Invalid colour chosen, please enter a valid HTML colour name, or a six-digit, or three-digit hexadecimal colour.';
$string['invalidposition'] = 'Please select a positive number for position {$a}.';
$string['invalidheight'] = 'The height has to be a valid number greater than 0.';
$string['invalidwidth'] = 'The width has to be a valid number greater than 0.';
$string['issued'] = 'Issued';
$string['landscape'] = 'Landscape';
$string['load'] = 'Load';
@ -89,5 +90,4 @@ $string['templatenameexists'] = 'That template name is currently in use, please
$string['uploadimage'] = 'Upload image';
$string['viewcustomcertissues'] = 'View {$a} issued custom certificates';
$string['width'] = 'Width';
$string['widthnotvalid'] = 'The width has to be a valid number greater than 0.';
$string['width_help'] = 'This is the width of the certificate PDF in mm. For reference an A4 piece of paper is 210mm wide and a letter is 216mm wide.';

25
lib.php
View file

@ -353,27 +353,6 @@ function customcert_extend_settings_navigation(settings_navigation $settings, na
return $customcertnode->trim_if_empty();
}
/**
* Return the list of possible images to use.
*
* @return array the list of images that can be used.
*/
function customcert_get_images() {
// Create file storage object.
$fs = get_file_storage();
// The array used to store the images.
$arrfiles = array();
$arrfiles[0] = get_string('noimage', 'customcert');
if ($files = $fs->get_area_files(context_system::instance()->id, 'mod_customcert', 'image', false, 'filename', false)) {
foreach ($files as $hash => $file) {
$arrfiles[$hash] = $file->get_filename();
}
}
return $arrfiles;
}
/**
* Handles uploading an image for the customcert module.
*
@ -509,8 +488,8 @@ function customcert_save_page_data($data) {
foreach ($pages as $page) {
// Get the name of the fields we want from the form.
$orientation = 'orientation_' . $page->id;
$width = 'width_' . $page->id;
$height = 'height_' . $page->id;
$width = 'pagewidth_' . $page->id;
$height = 'pageheight_' . $page->id;
// Create the page data to update the DB with.
$p = new stdClass();
$p->id = $page->id;