/**
* Adds controls specific to this filter in the form.
* @param object $mform a MoodleForm object to setup
*/
function setupForm(&$mform)
{
global $USER, $CFG;
/**
* CSS includes
*/
$mform->addElement('html', '<style>@import url("' . $CFG->wwwroot . '/lib/yui/treeview/assets/skins/sam/treeview-skin.css");</style>');
/**(use "git add" and/or "git commit -a")
* JavaScript includes
*/
//include the necessary javascript libraries for the YUI TreeView
require_js(array('yui_yahoo', 'yui_dom', 'yui_event', 'yui_treeview'));
//for converting tree representation
require_js('yui_json');
//for asynch request dynamic loading
require_js('yui_connection');
//include our custom code that handles the YUI Treeview menu
require_js($CFG->wwwroot . '/curriculum/js/clustertree.js');
/**
* Get set up necessary CSS classes
*/
$manageclusters_css_class = block_curr_admin_get_item_css_class('manageclusters');
$cluster_css_class = block_curr_admin_get_item_css_class('cluster_instance');
//figure out which capability to check
if ($this->execution_mode == php_report::EXECUTION_MODE_SCHEDULED) {
$capability = 'block/php_report:schedule';
} else {
$capability = 'block/php_report:view';
}
$context_result = cm_context_set::for_user_with_capability('cluster', $capability, $USER->id);
$extrafilters = array('contexts' => $context_result, 'parent' => 0);
$num_records = cluster_count_records('', '', $extrafilters);
/**
* TreeView-related work
*/
//CM entities for placement at the top of the menu
$cm_entity_pages = array();
$cm_entity_pages[] = new menuitem('root');
if ($clusters = cluster_get_listing('priority, name', 'ASC', 0, 0, '', '', array('parent' => 0))) {
foreach ($clusters as $cluster) {
$params = array('id' => $cluster->id, 'action' => 'viewreport', 'execution_mode' => $this->execution_mode);
$cluster_count = cluster_count_records('', '', array('parent' => $cluster->id));
$isLeaf = empty($cluster_count);
$cm_entity_pages[] = test_cluster_tree_get_menu_item('cluster', $cluster, 'root', $manageclusters_css_class, $cluster->id, 0, $params, $isLeaf);
}
}
$menuitemlisting = new menuitemlisting($cm_entity_pages);
$tree = new checkbox_treerepresentation($menuitemlisting, $this->options['report_id']);
$tree_html = $tree->convert_to_markup($this->_uniqueid, $this->execution_mode);
$params = array($this->options['report_id'], $this->_uniqueid, $this->options['dropdown_button_text'], $this->options['tree_button_text']);
$param_string = implode('", "', $params);
/**
* UI element setup
*/
require_once $CFG->dirroot . '/curriculum/lib/filtering/equalityselect.php';
$choices_array = array(0 => get_string('anyvalue', 'filters'));
//set up cluster listing
if ($records = cluster_get_listing('name', 'ASC', 0, 0, '', '', array('contexts' => $context_result))) {
foreach ($records as $record) {
if ($record->parent == 0) {
//merge in child clusters
$choices_array[$record->id] = $record->name;
$child_array = $this->find_child_clusters($records, $record->id);
$choices_array = $this->merge_array_keep_keys($choices_array, $child_array);
}
}
}
//get help text
if (isset($this->options['help'])) {
$this->_filterhelp = $this->options['help'];
} else {
$this->_filterhelp = null;
}
//add filterhelp and label to this filter
//import required css for the fieldset
$style = '<style>@import url("' . $CFG->wwwroot . '/curriculum/styles.css");</style>';
//hack the nested fieldset into an html element
$helptext = get_string('helpprefix2', $this->_filterhelp['1']) . ' (' . get_string('newwindow') . ')';
$helpurl = '/help.php?module=' . $this->_filterhelp['2'] . '&file=' . $this->_filterhelp['0'] . '.html&forcelang=';
$helplink = '<span class="helplink"><a title="' . $this->_filterhelp['1'] . '" href="' . $CFG->wwwroot . $helpurl . '"' . ' onclick="this.target=\'popup\'; return openpopup(\'' . $helpurl . '\', \'popup\', \'menubar=0,location=0,scrollbars,resizable,width=500,height=400\', 0);">' . ' <img class="iconhelp" alt="' . $helptext . '" src="' . $CFG->pixpath . '/help.gif"></a></span>';
$nested_fieldset = false;
$title = '';
if ($this->options['fieldset']) {
$nested_fieldset = '<fieldset class="nested clearfix" id="' . $this->_uniqueid . '_label' . '">' . "\n" . '<legend class="ftoggler">' . $this->_label . $helplink . '</legend>' . "\n";
} else {
$title = $this->_label . $helplink . ' ';
}
$mform->addElement('html', $style . $nested_fieldset);
//cluster select dropdown
$mform->addElement('select', $this->_uniqueid . '_dropdown', $title, $choices_array);
//dropdown / cluster tree state storage
$mform->addElement('hidden', $this->_uniqueid . '_usingdropdown');
//default to showing dropdown if nothing has been persisted
$report_shortname = $this->options['report_shortname'];
$preferences = php_report_filtering_get_user_preferences($report_shortname);
if (!isset($preferences["php_report_{$report_shortname}/{$this->_uniqueid}_usingdropdown"])) {
$mform->setDefault($this->_uniqueid . '_usingdropdown', 1);
}
// dress it up like an mform element
$tree_html = '<div class="fitem"><div class="fitemtitle"></div>' . $tree_html . '</div>';
//cluster tree
$mform->addElement('html', $tree_html);
//list of explicitly selected elements
$mform->addElement('hidden', $this->_uniqueid . '_listing');
//list of selected and unexpanded elements
$mform->addElement('hidden', $this->_uniqueid . '_unexpanded');
//list of explicitly unselected elements
$mform->addElement('hidden', $this->_uniqueid . '_clrunexpanded');
/**
* Work needed to initialize the state of necessary components
*/
//parameters needed
$params = array($this->options['report_id'], $this->_uniqueid, $this->options['dropdown_button_text'], $this->options['tree_button_text']);
$param_string = implode('", "', $params);
$mform->addElement('button', $this->_uniqueid . '_toggle', $this->options['dropdown_button_text'], array('onclick' => 'clustertree_toggle_tree("' . $param_string . '")'));
//script to do the work
$initialize_state_script = '<script type="text/javascript">
clustertree_set_toggle_state("' . $param_string . '");
</script>';
$mform->addElement('html', $initialize_state_script);
// close hacked nested fieldset
if ($this->options['fieldset']) {
$mform->addElement('html', '</fieldset>');
}
}
