public function rebuild_artefact_list()
{
db_begin();
// Remember what was in this block before saving, and always allow those artefacts to remain
// in it, regardless of the user's current permissions.
$old = get_records_assoc('view_artefact', 'block', $this->id, '', 'artefact, id');
delete_records('view_artefact', 'block', $this->id);
safe_require('blocktype', blocktype_name_to_namespaced($this->get('blocktype')));
if (!($artefacts = call_static_method(generate_class_name('blocktype', $this->get('blocktype')), 'get_artefacts', $this))) {
db_commit();
return true;
}
foreach ($artefacts as $key => $id) {
if (!$id || intval($id) == 0) {
log_warn("get_artefacts returned an invalid artefact ID for block instance {$this->id} (" . $this->get('blocktype') . ")");
unset($artefacts[$key]);
}
}
if (count($artefacts) == 0) {
db_commit();
return true;
}
// Get list of allowed artefacts
require_once 'view.php';
$searchdata = array('extraselect' => array(array('fieldname' => 'id', 'type' => 'int', 'values' => $artefacts)), 'userartefactsallowed' => true);
list($allowed, $count) = View::get_artefactchooser_artefacts($searchdata, $this->get_view()->get('owner'), $this->get_view()->get('group'), $this->get_view()->get('institution'), true);
$va = new StdClass();
$va->view = $this->get('view');
$va->block = $this->id;
foreach ($artefacts as $id) {
if (isset($allowed[$id]) || isset($old[$id])) {
$va->artefact = $id;
insert_record('view_artefact', $va);
}
}
db_commit();
}
/**
* Builds the configuration pieform for this blockinstance
*
* @return array Array with two keys: 'html' for raw html, 'javascript' for
* javascript to run
*/
public function build_configure_form($new = false)
{
static $renderedform;
if (!empty($renderedform)) {
return $renderedform;
}
safe_require('blocktype', $this->get('blocktype'));
$elements = call_static_method(generate_class_name('blocktype', $this->get('blocktype')), 'instance_config_form', $this, $this->get_view()->get('template'));
$blocktypeclass = generate_class_name('blocktype', $this->get('blocktype'));
if ($this->get('title') != call_static_method($blocktypeclass, 'get_title')) {
// If the title for this block has been set to something other than
// the block title, use it unconditionally
$title = $this->get('title');
} else {
if (method_exists($blocktypeclass, 'get_instance_title')) {
// Block types can specify a default title for a block
$title = call_static_method($blocktypeclass, 'get_instance_title', $this);
} else {
// A block that doesn't have a method for setting an instance
// title, and hasn't had its title changed (e.g. a new textbox)
$title = $this->get('title');
}
}
$elements = array_merge(array('title' => array('type' => 'text', 'title' => get_string('blocktitle', 'view'), 'description' => method_exists($blocktypeclass, 'get_instance_title') ? get_string('defaulttitledescription', 'blocktype.' . blocktype_name_to_namespaced($this->get('blocktype'))) : null, 'defaultvalue' => $title), 'blockconfig' => array('type' => 'hidden', 'value' => $this->get('id')), 'id' => array('type' => 'hidden', 'value' => $this->get('view')), 'change' => array('type' => 'hidden', 'value' => 1), 'new' => array('type' => 'hidden', 'value' => $new)), $elements);
if ($new) {
$cancel = get_string('remove');
$elements['removeoncancel'] = array('type' => 'hidden', 'value' => 1);
$elements['sure'] = array('type' => 'hidden', 'value' => 1);
} else {
$cancel = get_string('cancel');
}
// Add submit/cancel buttons
$elements['action_configureblockinstance_id_' . $this->get('id')] = array('type' => 'submitcancel', 'value' => array(get_string('save'), $cancel), 'goto' => View::make_base_url());
$configdirs = array(get_config('libroot') . 'form/');
if ($this->get('artefactplugin')) {
$configdirs[] = get_config('docroot') . 'artefact/' . $this->get('artefactplugin') . '/form/';
}
$form = array('name' => 'instconf', 'renderer' => 'maharatable', 'validatecallback' => array(generate_class_name('blocktype', $this->get('blocktype')), 'instance_config_validate'), 'successcallback' => array($this, 'instance_config_store'), 'jsform' => true, 'jssuccesscallback' => 'blockConfigSuccess', 'jserrorcallback' => 'blockConfigError', 'elements' => $elements, 'viewgroup' => $this->get_view()->get('group'), 'group' => $this->get_view()->get('group'), 'viewinstitution' => $this->get_view()->get('institution'), 'institution' => $this->get_view()->get('institution'), 'configdirs' => $configdirs, 'plugintype' => 'blocktype', 'pluginname' => $this->get('blocktype'));
if (param_variable('action_acsearch_id_' . $this->get('id'), false)) {
$form['validate'] = false;
}
require_once 'pieforms/pieform.php';
$pieform = new Pieform($form);
if ($pieform->is_submitted()) {
global $SESSION;
$SESSION->add_error_msg(get_string('errorprocessingform'));
}
$html = $pieform->build();
// We probably need a new version of $pieform->build() that separates out the js
// Temporary evil hack:
if (preg_match('/<script type="text\\/javascript">(new Pieform\\(.*\\);)<\\/script>/', $html, $matches)) {
$js = "var pf_{$form['name']} = " . $matches[1] . "pf_{$form['name']}.init();";
} else {
$js = '';
}
// We need to load any javascript required for the pieform. We do this
// by checking for an api function that has been added especially for
// the purpose, but that is not part of Pieforms. Maybe one day later
// it will be though
// $js = '';
foreach ($elements as $key => $element) {
$element['name'] = $key;
$function = 'pieform_element_' . $element['type'] . '_views_js';
if (is_callable($function)) {
$js .= call_user_func_array($function, array($pieform, $element));
}
}
$renderedform = array('html' => $html, 'javascript' => $js);
return $renderedform;
}