File Source for controller.php

<?php
/**
* Defines a base class for viewing SLOODLE Controller modules.
* Class is inherited from the base module view class.
*
* @package sloodle
* @copyright Copyright (c) 2008 Sloodle (various contributors)
* @license http://www.gnu.org/licenses/gpl-3.0.html GNU GPL v3
*
* @contributor Peter R. Bloomfield
*/
/** The base module view class */
require_once(SLOODLE_DIRROOT.'/view/base/base_view_module.php');
/**
* The base class for viewing a SLOODLE Controller module.
* @package sloodle
*/
class sloodle_view_controller extends sloodle_base_view_module
{
/**
* SLOODLE Controller data object, retreived directly from the database (table: sloodle_controller).
* @var object
* @access private
*/
var $controller = null;
/**
* Constructor.
*/
function sloodle_view_controller()
{
}
/**
* Uses the parent class to process basic request information, then obtains additional Controller data.
*/
function process_request()
{
// Process basic data first
parent::process_request();
// Obtain the Controller-specific data
if (!$this->controller = get_record('sloodle_controller', 'sloodleid', $this->sloodle->id)) error('Failed to locate Controller data');
}
/**
* Process any form data which has been submitted.
*/
function process_form()
{
}
/**
* Render the view of the Controller.
*/
function render()
{
global $CFG;
// Fetch the controller data
$this->controller = get_record('sloodle_controller', 'sloodleid', $this->sloodle->id);
if (!$this->controller) return false;
// The name, type and description of the module should already be displayed by the main "view.php" script.
echo "<div style=\"text-align:center;\">\n";
// Check if some kind of action has been requested
$action = optional_param('action', '', PARAM_TEXT);
// Indicate whether or not this module is enabled
echo '<p style="font-size:14pt;">'.get_string('status', 'sloodle').': ';
if ($this->controller->enabled) {
echo '<span style="color:green; font-weight:bold;">'.get_string('enabled','sloodle').'</span>';
} else {
echo '<span style="color:red; font-weight:bold;">'.get_string('disabled','sloodle').'</span>';
}
echo "</p>\n";
// Can the user access protected data?
if ($this->canedit) {
// Display a link to the configuration notecard page, as a popup window
print_box_start('generalbox boxaligncenter boxwidthwide');
echo '<h3>'.get_string('objectconfig:header', 'sloodle').'</h3>';
echo '<p>'.get_string('objectconfig:body', 'sloodle').'</p>';
// Is Prim Password access available?
if (empty($this->controller->password)) {
// No - display an error message
echo '<span style="color:red; font-weight:bold;">'.get_string('objectconfig:noprimpassword','sloodle').'</span>';
} else {
print_string('objectconfig:select','sloodle');
// Go through each installed type to produce our own array of objects.
// (Our array will associate translated names and version numbers with complete object ID's).
$objects = array();
$mods = sloodle_get_installed_object_types();
if (!$mods) error('Error fetching installed object types.');
foreach ($mods as $name => $versions) {
// Get the translated name
$translatedname = get_string("object:$name", 'sloodle');
// Reverse-sort the version
$sortedversions = $versions;
krsort($sortedversions);
foreach ($sortedversions as $v => $cfg) {
// Construct and store the complete object ID
$objectid = "$name-$v";
$objects[$translatedname][$v] = $objectid;
}
}
// Sort the objects by name
ksort($objects);
// Display our list of objects
echo '<br><br><table style="text-align:left; margin-left:auto; margin-right:auto;">';
foreach ($objects as $name => $versions) {
// The primary link will always be the latest version
$num = 0;
echo '<tr><td>';
$multipleversions = (count($versions) > 1);
// Go through each version (this will be latest first)
foreach ($versions as $v => $objectid) {
// Construct a link for this object's configuration
$link = SLOODLE_WWWROOT."/classroom/notecard_configuration_form.php?sloodlecontrollerid={$this->cm->id}&sloodleobjtype=$objectid";
// Is this the latest version?
if ($num == 0) {
// Yes - display the object name for the link
echo "<span style=\"font-size:14pt;\"><a href=\"$link\">$name</a>";
}
// Do we have multiple versions available?
if ($multipleversions) {
// Yes - add the version in brackets afterwards
if ($num == 0) echo ' <span style="font-size:11pt; font-style:italic;">[';
else if ($num > 0) echo ', ';
echo "<a href=\"$link\">$v</a>";
}
$num++;
}
// Close the extra versions section if necessary
if ($multipleversions) echo "]</span>";
echo "</td></tr>";
}
echo '</table>';
}
print_box_end();
// Active (authorised) objects
print_box_start('generalbox boxaligncenter boxwidthwide');
echo '<h3>'.get_string('authorizedobjects','sloodle').'</h3>';
// Has a delete objects action been requested
if ($action == 'delete_objects') {
// Count how many objects we delete
$numdeleted = 0;
// Go through each request parameter
foreach ($_REQUEST as $name => $val) {
// Is this a delete objects request?
if ($val != 'true') continue;
$parts = explode('_', $name);
if (count($parts) == 2 && $parts[0] == 'sloodledeleteobj') {
// Only delete the object if it belongs to this controller
if (delete_records('sloodle_active_object', 'controllerid', $this->cm->id, 'id', (int)$parts[1])) {
$numdeleted++;
// Delete any associated configuration settings too
delete_records('sloodle_object_config', 'object', (int)$parts[1]);
}
}
}
// Indicate our results
echo '<span style="color:red; font-weight:bold;">'.get_string('numdeleted','sloodle').': '.$numdeleted.'</span><br><br>';
}
// Get all objects authorised for this controller
$recs = get_records('sloodle_active_object', 'controllerid', $this->cm->id, 'timeupdated DESC');
if (is_array($recs) && count($recs) > 0) {
// Construct a table
//TODO: add authorising user link
$objects_table = new stdClass();
$objects_table->head = array(get_string('objectname','sloodle'),get_string('objectuuid','sloodle'),get_string('objecttype','sloodle'),get_string('lastupdated','sloodle'),'');
$objects_table->align = array('left', 'left', 'left', 'left', 'center');
foreach ($recs as $obj) {
// Skip this object if it has no type information
if (empty($obj->type)) continue;
// Construct a link to this object's configuration page
$config_link = "<a href=\"{$CFG->wwwroot}/mod/sloodle/classroom/configure_object.php?sloodleauthid={$obj->id}\">";
$objects_table->data[] = array($config_link.$obj->name.'</a>', $obj->uuid, $obj->type, date('Y-m-d H:i:s T', (int)$obj->timeupdated), "<input type=\"checkbox\" name=\"sloodledeleteobj_{$obj->id}\" value=\"true\" /");
}
// Display a form and the table
echo '<form action="" method="POST">';
echo '<input type="hidden" name="id" value="'.$this->cm->id.'"/>';
echo '<input type="hidden" name="action" value="delete_objects"/>';
print_table($objects_table);
echo '<input type="submit" value="'.get_string('deleteselected','sloodle').'"/>';
echo '</form>';
} else {
echo '<span style="text-align:center;color:red">'.get_string('noentries','sloodle').'</span><br>';
}
print_box_end();
}
echo "</div>\n";
}
}
?>

Documentation generated on Fri, 17 Jul 2009 11:01:09 +0100 by phpDocumentor 1.4.0

Source for file controller.php