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<?php
// This file is part of 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/>.
/**
* Form for editing HTML block instances.
*
* @package block_html
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class block_html extends block_base {
function init() {
$this->title = get_string('pluginname', 'block_html');
}
function applicable_formats() {
return array('all' => true);
}
function specialization() {
$this->title = isset($this->config->title) ? format_string($this->config->title) : format_string(get_string('newhtmlblock', 'block_html'));
}
function instance_allow_multiple() {
return true;
}
function get_content() {
global $CFG;
require_once($CFG->libdir . '/filelib.php');
if ($this->content !== NULL) {
return $this->content;
}
$filteropt = new stdClass;
$filteropt->overflowdiv = true;
if ($this->content_is_trusted()) {
// fancy html allowed only on course, category and system blocks.
$filteropt->noclean = true;
}
$this->content = new stdClass;
$this->content->footer = '';
if (isset($this->config->text)) {
// rewrite url
$this->config->text = file_rewrite_pluginfile_urls($this->config->text, 'pluginfile.php', $this->context->id, 'block_html', 'content', NULL);
// Default to FORMAT_HTML which is what will have been used before the
// editor was properly implemented for the block.
$format = FORMAT_HTML;
// Check to see if the format has been properly set on the config
if (isset($this->config->format)) {
$format = $this->config->format;
}
$this->content->text = format_text($this->config->text, $format, $filteropt);
} else {
$this->content->text = '';
}
unset($filteropt); // memory footprint
return $this->content;
}
/**
* Serialize and store config data
*/
function instance_config_save($data, $nolongerused = false) {
global $DB;
$config = clone($data);
// Move embedded files into a proper filearea and adjust HTML links to match
$config->text = file_save_draft_area_files($data->text['itemid'], $this->context->id, 'block_html', 'content', 0, array('subdirs'=>true), $data->text['text']);
$config->format = $data->text['format'];
parent::instance_config_save($config, $nolongerused);
}
function instance_delete() {
global $DB;
$fs = get_file_storage();
$fs->delete_area_files($this->context->id, 'block_html');
return true;
}
function content_is_trusted() {
global $SCRIPT;
if (!$context = get_context_instance_by_id($this->instance->parentcontextid)) {
return false;
}
//find out if this block is on the profile page
if ($context->contextlevel == CONTEXT_USER) {
if ($SCRIPT === '/my/index.php') {
// this is exception - page is completely private, nobody else may see content there
// that is why we allow JS here
return true;
} else {
// no JS on public personal pages, it would be a big security issue
return false;
}
}
return true;
}
/**
* The block should only be dockable when the title of the block is not empty
* and when parent allows docking.
*
* @return bool
*/
public function instance_can_be_docked() {
return (!empty($this->config->title) && parent::instance_can_be_docked());
}
}
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