title; } function get_content_type() { // Intentionally doesn't check if a content_type is set, for _test_self() return $this->content_type; } function get_version() { // Intentionally doesn't check if a version is set, for _test_self() return $this->version; } function get_header() { // Intentionally doesn't check if a header is set, for _test_self() return $this->header; } function refresh_content() { // Nothing special here, depends on content() $this->content = NULL; return $this->get_content(); } function print_block() { // Wrap the title in a floating DIV, in case we have edit controls to display // These controls will always be wrapped on a right-floating DIV $title = '

'.$this->title.'

'; if($this->edit_controls !== NULL) { $title .= $this->edit_controls; } $this->get_content(); if(!isset($this->content->footer)) { $this->content->footer = ''; } switch($this->content_type) { case BLOCK_TYPE_NUKE: case BLOCK_TYPE_TEXT: if(empty($this->content->text) && empty($this->content->footer)) { if(empty($this->edit_controls)) { // No content, no edit controls, so just shut up break; } else { // No content but editing, so show something at least $this->print_shadow(); } } else { if($this->hide_header() && empty($this->edit_controls)) { // Header wants to hide, no edit controls to show, so no header it is print_side_block(NULL, $this->content->text, NULL, NULL, $this->content->footer, $this->html_attributes()); } else { // The full treatment, please print_side_block($title, $this->content->text, NULL, NULL, $this->content->footer, $this->html_attributes()); } } break; case BLOCK_TYPE_LIST: if(empty($this->content->text) && empty($this->content->footer)) { if(empty($this->edit_controls)) { // No content, no edit controls, so just shut up break; } else { // No content but editing, so show something at least $this->print_shadow(); } } else { if($this->hide_header() && empty($this->edit_controls)) { // Header wants to hide, no edit controls to show, so no header it is print_side_block(NULL, '', $this->content->items, $this->content->icons, $this->content->footer, $this->html_attributes()); } else { // The full treatment, please print_side_block($title, '', $this->content->items, $this->content->icons, $this->content->footer, $this->html_attributes()); } } break; } } function print_shadow() { $title = '

'.$this->title.'

'; if($this->edit_controls !== NULL) { $title .= $this->edit_controls; } print_side_block($title, ' ', NULL, NULL, ''); } function add_edit_controls($options, $blockid) { global $CFG, $THEME; // The block may be disabled $blockid = intval($blockid); $enabled = $blockid > 0; $blockid = abs($blockid); if (!isset($this->str)) { $this->str->delete = get_string('delete'); $this->str->moveup = get_string('moveup'); $this->str->movedown = get_string('movedown'); $this->str->moveright = get_string('moveright'); $this->str->moveleft = get_string('moveleft'); $this->str->hide = get_string('hide'); $this->str->show = get_string('show'); } $path = $CFG->wwwroot.'/course'; if (empty($THEME->custompix)) { $pixpath = $path.'/../pix'; } else { $pixpath = $path.'/../theme/'.$CFG->theme.'/pix'; } $movebuttons = '

'; if($enabled) { $icon = '/t/hide.gif'; $title = $this->str->hide; } else { $icon = '/t/show.gif'; $title = $this->str->show; } $movebuttons .= '' . '

'; $movebuttons .= '' . '

'; if ($options & BLOCK_MOVE_LEFT) { $movebuttons .= '' . '

'; } if ($options & BLOCK_MOVE_UP) { $movebuttons .= '' . '

'; } if ($options & BLOCK_MOVE_DOWN) { $movebuttons .= '' . '

'; } if ($options & BLOCK_MOVE_RIGHT) { $movebuttons .= '' . '

'; } $movebuttons .= '

'; $this->edit_controls = $movebuttons; } function _self_test() { // Tests if this block has been implemented correctly. // Also, $errors isn't used right now $errors = array(); $correct = true; if($this->get_title() === NULL) { $errors[] = 'title_not_set'; $correct = false; } if(!in_array($this->get_content_type(), array(BLOCK_TYPE_LIST, BLOCK_TYPE_TEXT, BLOCK_TYPE_NUKE))) { $errors[] = 'invalid_content_type'; $correct = false; } if($this->get_content() === NULL) { $errors[] = 'content_not_set'; $correct = false; } if($this->get_version() === NULL) { $errors[] = 'version_not_set'; $correct = false; } $allformats = COURSE_FORMAT_WEEKS | COURSE_FORMAT_TOPICS | COURSE_FORMAT_SOCIAL | COURSE_FORMAT_SITE; if(!($this->applicable_formats() & $allformats)) { $errors[] = 'no_course_formats'; $correct = false; } $width = $this->preferred_width(); if(!is_int($width) || $width <= 0) { $errors[] = 'invalid_width'; $correct = false; } return $correct; } function has_config() { return false; } function print_config() { // This does nothing, it's here to prevent errors from // derived classes if they implement has_config() but not print_config() } function handle_config() { // This does nothing, it's here to prevent errors from // derived classes if they implement has_config() but not handle_config() } function applicable_formats() { // Default case: the block can be used in all course types return COURSE_FORMAT_WEEKS | COURSE_FORMAT_TOPICS | COURSE_FORMAT_SOCIAL; } function preferred_width() { // Default case: the block wants to be 180 pixels wide return 180; } function hide_header() { //Default, false--> the header is showed return false; } function html_attributes() { // Default case: just an id for the block, with our name in it return array('id' => 'block_'.$this->name()); } } class MoodleBlock_Nuke extends MoodleBlock { function get_content() { if($this->content !== NULL) { return $this->content; } global $CFG; $this->content = &New stdClass; // This whole thing begs to be written for PHP >= 4.3.0 using glob(); $dir = $CFG->dirroot.'/blocks/'.$this->name().'/nuke/'; if($dh = @opendir($dir)) { while (($file = readdir($dh)) !== false) { $regs = array(); if(ereg('^block\-(.*)\.php$', $file, $regs)) { // Found it! Let's prepare the environment... $oldvals = array(); if(isset($GLOBALS['admin'])) { $oldvals['admin'] = $GLOBALS['admin']; } $GLOBALS['admin'] = isteacher($this->course->id); @include($dir.$file); foreach($oldvals as $key => $val) { $GLOBALS[$key] = $val; } // We should have $content set now if(!isset($content)) { return NULL; } return $this->content->text = $content; } } } // If we reached here, we couldn't find the nuke block for some reason return $this->content->text = get_string('blockmissingnuke'); } } ?>