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renderer.php
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renderer.php
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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/>.
/**
* Output rendering for the plugin.
*
* @package tool_installaddon
* @category output
* @copyright 2013 David Mudrak <david@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* Implements the plugin renderer
*
* @copyright 2013 David Mudrak <david@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class tool_installaddon_renderer extends plugin_renderer_base {
/** @var tool_installaddon_installer */
protected $installer = null;
/** @var tool_installaddon_validator */
protected $validator = null;
/**
* Sets the tool_installaddon_installer instance being used.
*
* @throws coding_exception if the installer has been already set
* @param tool_installaddon_installer $installer
*/
public function set_installer_instance(tool_installaddon_installer $installer) {
if (is_null($this->installer)) {
$this->installer = $installer;
} else {
throw new coding_exception('Attempting to reset the installer instance.');
}
}
/**
* Sets the tool_installaddon_validator instance being used.
*
* @throws coding_exception if the validator has been already set
* @param tool_installaddon_validator $validator
*/
public function set_validator_instance(tool_installaddon_validator $validator) {
if (is_null($this->validator)) {
$this->validator = $validator;
} else {
throw new coding_exception('Attempting to reset the validator instance.');
}
}
/**
* Defines the index page layout
*
* @return string
*/
public function index_page() {
if (is_null($this->installer)) {
throw new coding_exception('Installer instance has not been set.');
}
$permcheckurl = new moodle_url('/admin/tool/installaddon/permcheck.php');
$this->page->requires->yui_module('moodle-tool_installaddon-permcheck', 'M.tool_installaddon.permcheck.init',
array(array('permcheckurl' => $permcheckurl->out())));
$this->page->requires->strings_for_js(
array('permcheckprogress', 'permcheckresultno', 'permcheckresultyes', 'permcheckerror'), 'tool_installaddon');
$out = $this->output->header();
$out .= $this->index_page_heading();
$out .= $this->index_page_repository();
$out .= $this->index_page_upload();
$out .= $this->output->footer();
return $out;
}
/**
* Defines the validation results page layout
*
* @return string
*/
public function validation_page() {
if (is_null($this->installer)) {
throw new coding_exception('Installer instance has not been set.');
}
if (is_null($this->validator)) {
throw new coding_exception('Validator instance has not been set.');
}
$out = $this->output->header();
$out .= $this->validation_page_heading();
$out .= $this->validation_page_messages();
$out .= $this->validation_page_continue();
$out .= $this->output->footer();
return $out;
}
/**
* Inform the user about invalid remote installation request.
*
* @param moodle_url $continueurl
* @return string
*/
public function remote_request_invalid_page(moodle_url $continueurl) {
$out = $this->output->header();
$out .= $this->output->heading(get_string('installfromrepo', 'tool_installaddon'));
$out .= $this->output->box(get_string('remoterequestinvalid', 'tool_installaddon'), 'generalbox', 'notice');
$out .= $this->output->continue_button($continueurl, 'get');
$out .= $this->output->footer();
return $out;
}
/**
* Inform the user that such plugin is already installed
*
* @param stdClass $data decoded request data
* @param moodle_url $continueurl
* @return string
*/
public function remote_request_alreadyinstalled_page(stdClass $data, moodle_url $continueurl) {
$out = $this->output->header();
$out .= $this->output->heading(get_string('installfromrepo', 'tool_installaddon'));
$out .= $this->output->box(get_string('remoterequestalreadyinstalled', 'tool_installaddon', $data), 'generalbox', 'notice');
$out .= $this->output->continue_button($continueurl, 'get');
$out .= $this->output->footer();
return $out;
}
/**
* Let the user confirm the remote installation request.
*
* @param stdClass $data decoded request data
* @param moodle_url $continueurl
* @param moodle_url $cancelurl
* @return string
*/
public function remote_request_confirm_page(stdClass $data, moodle_url $continueurl, moodle_url $cancelurl) {
$out = $this->output->header();
$out .= $this->output->heading(get_string('installfromrepo', 'tool_installaddon'));
$out .= $this->output->confirm(get_string('remoterequestconfirm', 'tool_installaddon', $data), $continueurl, $cancelurl);
$out .= $this->output->footer();
return $out;
}
/**
* Inform the user that the target plugin type location is not writable.
*
* @param stdClass $data decoded request data
* @param string $plugintypepath full path to the plugin type location
* @param moodle_url $continueurl to repeat the write permission check
* @param moodle_url $cancelurl to cancel the installation
* @return string
*/
public function remote_request_permcheck_page(stdClass $data, $plugintypepath, moodle_url $continueurl, moodle_url $cancelurl) {
$data->typepath = $plugintypepath;
$out = $this->output->header();
$out .= $this->output->heading(get_string('installfromrepo', 'tool_installaddon'));
$out .= $this->output->confirm(get_string('remoterequestpermcheck', 'tool_installaddon', $data), $continueurl, $cancelurl);
$out .= $this->output->footer();
return $out;
}
/**
* Inform the user about pluginfo service call exception
*
* This implementation does not actually use the passed exception. Custom renderers might want to
* display additional data obtained via {@link get_exception_info()}. Also note, this method is called
* in non-debugging mode only. If debugging is allowed at the site, default exception handler is triggered.
*
* @param stdClass $data decoded request data
* @param tool_installaddon_pluginfo_exception $e thrown exception
* @param moodle_url $continueurl
* @return string
*/
public function remote_request_pluginfo_exception(stdClass $data, tool_installaddon_pluginfo_exception $e, moodle_url $continueurl) {
$out = $this->output->header();
$out .= $this->output->heading(get_string('installfromrepo', 'tool_installaddon'));
$out .= $this->output->box(get_string('remoterequestpluginfoexception', 'tool_installaddon', $data), 'generalbox', 'notice');
$out .= $this->output->continue_button($continueurl, 'get');
$out .= $this->output->footer();
return $out;
}
/**
* Inform the user about the installer exception
*
* This implementation does not actually use the passed exception. Custom renderers might want to
* display additional data obtained via {@link get_exception_info()}. Also note, this method is called
* in non-debugging mode only. If debugging is allowed at the site, default exception handler is triggered.
*
* @param tool_installaddon_installer_exception $e thrown exception
* @param moodle_url $continueurl
* @return string
*/
public function installer_exception(tool_installaddon_installer_exception $e, moodle_url $continueurl) {
$out = $this->output->header();
$out .= $this->output->heading(get_string('installfromrepo', 'tool_installaddon'));
$out .= $this->output->box(get_string('installexception', 'tool_installaddon'), 'generalbox', 'notice');
$out .= $this->output->continue_button($continueurl, 'get');
$out .= $this->output->footer();
return $out;
}
// End of the external API /////////////////////////////////////////////////
/**
* Renders the index page heading
*
* @return string
*/
protected function index_page_heading() {
return $this->output->heading(get_string('pluginname', 'tool_installaddon'));
}
/**
* Renders the widget for browsing the add-on repository
*
* @return string
*/
protected function index_page_repository() {
$url = $this->installer->get_addons_repository_url();
$out = $this->box(
$this->output->single_button($url, get_string('installfromrepo', 'tool_installaddon'), 'get').
$this->output->help_icon('installfromrepo', 'tool_installaddon'),
'generalbox', 'installfromrepobox'
);
return $out;
}
/**
* Renders the widget for uploading the add-on ZIP package
*
* @return string
*/
protected function index_page_upload() {
$form = $this->installer->get_installfromzip_form();
ob_start();
$form->display();
$out = ob_get_clean();
$out = $this->box($out, 'generalbox', 'installfromzipbox');
return $out;
}
/**
* Renders the page title and the overall validation verdict
*
* @return string
*/
protected function validation_page_heading() {
$heading = $this->output->heading(get_string('validation', 'tool_installaddon'));
if ($this->validator->get_result()) {
$status = $this->output->container(
html_writer::span(get_string('validationresult1', 'tool_installaddon'), 'verdict').
$this->output->help_icon('validationresult1', 'tool_installaddon'),
array('validationresult', 'success')
);
} else {
$status = $this->output->container(
html_writer::span(get_string('validationresult0', 'tool_installaddon'), 'verdict').
$this->output->help_icon('validationresult0', 'tool_installaddon'),
array('validationresult', 'failure')
);
}
return $heading . $status;
}
/**
* Renders validation log messages.
*
* @return string
*/
protected function validation_page_messages() {
$validator = $this->validator; // We need this to be able to use their constants.
$messages = $validator->get_messages();
if (empty($messages)) {
return '';
}
$table = new html_table();
$table->attributes['class'] = 'validationmessages generaltable';
$table->head = array(
get_string('validationresultstatus', 'tool_installaddon'),
get_string('validationresultmsg', 'tool_installaddon'),
get_string('validationresultinfo', 'tool_installaddon')
);
$table->colclasses = array('msgstatus', 'msgtext', 'msginfo');
$stringman = get_string_manager();
foreach ($messages as $message) {
if ($message->level === $validator::DEBUG and !debugging()) {
continue;
}
$msgstatus = get_string('validationmsglevel_'.$message->level, 'tool_installaddon');
$msgtext = $msgtext = s($message->msgcode);
if (is_null($message->addinfo)) {
$msginfo = '';
} else {
$msginfo = html_writer::tag('pre', s(print_r($message->addinfo, true)));
}
$msghelp = '';
// Replace the message code with the string if it is defined.
if ($stringman->string_exists('validationmsg_'.$message->msgcode, 'tool_installaddon')) {
$msgtext = get_string('validationmsg_'.$message->msgcode, 'tool_installaddon');
// And check for the eventual help, too.
if ($stringman->string_exists('validationmsg_'.$message->msgcode.'_help', 'tool_installaddon')) {
$msghelp = $this->output->help_icon('validationmsg_'.$message->msgcode, 'tool_installaddon');
}
}
// Re-format the message info using a string if it is define.
if (!is_null($message->addinfo) and $stringman->string_exists('validationmsg_'.$message->msgcode.'_info', 'tool_installaddon')) {
$msginfo = get_string('validationmsg_'.$message->msgcode.'_info', 'tool_installaddon', $message->addinfo);
}
$row = new html_table_row(array($msgstatus, $msgtext.$msghelp, $msginfo));
$row->attributes['class'] = 'level-'.$message->level.' '.$message->msgcode;
$table->data[] = $row;
}
return html_writer::table($table);
}
/**
* Renders widgets to continue from the validation results page
*
* @return string
*/
protected function validation_page_continue() {
$conturl = $this->validator->get_continue_url();
if (is_null($conturl)) {
$contbutton = '';
} else {
$contbutton = $this->output->single_button(
$conturl, get_string('installaddon', 'tool_installaddon'), 'post',
array('class' => 'singlebutton continuebutton'));
}
$cancelbutton = $this->output->single_button(
new moodle_url('/admin/tool/installaddon/index.php'), get_string('cancel', 'core'), 'get',
array('class' => 'singlebutton cancelbutton'));
return $this->output->container($cancelbutton.$contbutton, 'postvalidationbuttons');
}
}