moodle/message/renderer.php

513 lines
22 KiB
PHP

<?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/>.
/**
* Contains renderer objects for messaging
*
* @package core_message
* @copyright 2011 Lancaster University Network Services Limited
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
/**
* message Renderer
*
* Class for rendering various message objects
*
* @package core_message
* @subpackage message
* @copyright 2011 Lancaster University Network Services Limited
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class core_message_renderer extends plugin_renderer_base {
/**
* Display the interface to manage message outputs
*
* @param array $processors array of objects containing message processors
* @return string The text to render
*/
public function manage_messageoutputs($processors) {
global $CFG;
// Display the current workflows
$table = new html_table();
$table->attributes['class'] = 'admintable generaltable';
$table->data = array();
$table->head = array(
get_string('name'),
get_string('enable'),
get_string('settings'),
);
$table->colclasses = array(
'displayname', 'availability', 'settings',
);
foreach ($processors as $processor) {
$row = new html_table_row();
$row->attributes['class'] = 'messageoutputs';
// Name
$name = new html_table_cell(get_string('pluginname', 'message_'.$processor->name));
// Enable
$enable = new html_table_cell();
$enable->attributes['class'] = 'mdl-align';
if (!$processor->available) {
$enable->text = html_writer::nonempty_tag('span', get_string('outputnotavailable', 'message'), array('class' => 'error'));
} else if (!$processor->configured) {
$enable->text = html_writer::nonempty_tag('span', get_string('outputnotconfigured', 'message'), array('class' => 'error'));
} else if ($processor->enabled) {
$url = new moodle_url('/admin/message.php', array('disable' => $processor->id, 'sesskey' => sesskey()));
$enable->text = html_writer::link($url, html_writer::empty_tag('img',
array('src' => $this->output->pix_url('t/hide'),
'class' => 'iconsmall',
'title' => get_string('outputenabled', 'message'),
'alt' => get_string('outputenabled', 'message'),
)
));
} else {
$row->attributes['class'] = 'dimmed_text';
$url = new moodle_url('/admin/message.php', array('enable' => $processor->id, 'sesskey' => sesskey()));
$enable->text = html_writer::link($url, html_writer::empty_tag('img',
array('src' => $this->output->pix_url('t/show'),
'class' => 'iconsmall',
'title' => get_string('outputdisabled', 'message'),
'alt' => get_string('outputdisabled', 'message'),
)
));
}
// Settings
$settings = new html_table_cell();
if ($processor->available && $processor->hassettings) {
$settingsurl = new moodle_url('settings.php', array('section' => 'messagesetting'.$processor->name));
$settings->text = html_writer::link($settingsurl, get_string('settings', 'message'));
}
$row->cells = array($name, $enable, $settings);
$table->data[] = $row;
}
return html_writer::table($table);
}
/**
* Display the interface to manage default message outputs
*
* @param array $processors array of objects containing message processors
* @param array $providers array of objects containing message providers
* @param array $preferences array of objects containing current preferences
* @return string The text to render
*/
public function manage_defaultmessageoutputs($processors, $providers, $preferences) {
global $CFG;
// Prepare list of options for dropdown menu
$options = array();
foreach (array('disallowed', 'permitted', 'forced') as $setting) {
$options[$setting] = get_string($setting, 'message');
}
$output = html_writer::start_tag('form', array('id'=>'defaultmessageoutputs', 'method'=>'post'));
$output .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'sesskey', 'value'=>sesskey()));
// Display users outputs table
$table = new html_table();
$table->attributes['class'] = 'generaltable';
$table->data = array();
$table->head = array('');
// Populate the header row
foreach ($processors as $processor) {
$table->head[] = get_string('pluginname', 'message_'.$processor->name);
}
// Add enable/disable to head
$table->head[] = get_string('enabled', 'core_message');
// Generate the matrix of settings for each provider and processor
foreach ($providers as $provider) {
$row = new html_table_row();
$row->attributes['class'] = 'defaultmessageoutputs';
$row->cells = array();
// Provider Name
$providername = get_string('messageprovider:'.$provider->name, $provider->component);
$row->cells[] = new html_table_cell($providername);
$providersettingprefix = $provider->component.'_'.$provider->name.'_';
$disableprovidersetting = $providersettingprefix.'disable';
$providerdisabled = !empty($preferences->$disableprovidersetting);
// Settings for each processor
foreach ($processors as $processor) {
$cellcontent = '';
foreach (array('permitted', 'loggedin', 'loggedoff') as $setting) {
// pepare element and preference names
$elementname = $providersettingprefix.$setting.'['.$processor->name.']';
$preferencebase = $providersettingprefix.$setting;
// prepare language bits
$processorname = get_string('pluginname', 'message_'.$processor->name);
$statename = get_string($setting, 'message');
$labelparams = array(
'provider' => $providername,
'processor' => $processorname,
'state' => $statename
);
if ($setting == 'permitted') {
$label = get_string('sendingvia', 'message', $labelparams);
// determine the current setting or use default
$select = MESSAGE_DEFAULT_PERMITTED;
$preference = $processor->name.'_provider_'.$preferencebase;
if ($providerdisabled) {
$select = MESSAGE_DISALLOWED;
} else if (array_key_exists($preference, $preferences)) {
$select = $preferences->{$preference};
}
// dropdown menu
$cellcontent = html_writer::label($label, $elementname, true, array('class' => 'accesshide'));
$cellcontent .= html_writer::select($options, $elementname, $select, false, array('id' => $elementname));
$cellcontent .= html_writer::tag('div', get_string('defaults', 'message'));
} else {
$label = get_string('sendingviawhen', 'message', $labelparams);
// determine the current setting based on the 'permitted' setting above
$checked = false;
if ($select == 'forced') {
$checked = true;
} else if ($select == 'permitted') {
$preference = 'message_provider_'.$preferencebase;
if (array_key_exists($preference, $preferences)) {
$checked = (int)in_array($processor->name, explode(',', $preferences->{$preference}));
}
}
// generate content
$cellcontent .= html_writer::start_tag('div');
$cellcontent .= html_writer::label($label, $elementname, true, array('class' => 'accesshide'));
$cellcontent .= html_writer::checkbox($elementname, 1, $checked, '', array('id' => $elementname));
$cellcontent .= $statename;
$cellcontent .= html_writer::end_tag('div');
}
}
$row->cells[] = new html_table_cell($cellcontent);
}
$disableprovider = html_writer::checkbox($disableprovidersetting, 1, !$providerdisabled, '',
array('id' => $disableprovidersetting, 'class' => 'messagedisable'));
$disableprovider = html_writer::tag('div', $disableprovider);
$row->cells[] = new html_table_cell($disableprovider);
$table->data[] = $row;
}
$output .= html_writer::table($table);
$output .= html_writer::start_tag('div', array('class' => 'form-buttons'));
$output .= html_writer::empty_tag('input', array('type' => 'submit', 'value' => get_string('savechanges','admin'), 'class' => 'form-submit'));
$output .= html_writer::end_tag('div');
$output .= html_writer::end_tag('form');
return $output;
}
/**
* Get the base key prefix for the given provider.
*
* @param stdClass message provider
* @return string
*/
private function get_preference_base($provider) {
return $provider->component.'_'.$provider->name;
}
/**
* Get the display name for the given provider.
*
* @param stdClass $provider message provider
* @return string
*/
private function get_provider_display_name($provider) {
return get_string('messageprovider:'.$provider->name, $provider->component);
}
/**
* Get the preferences for the given user.
*
* @param array $processors list of message processors
* @param array $providers list of message providers
* @param stdClass $user user
* @return stdClass
*/
private function get_all_preferences($processors, $providers, $user) {
$preferences = new stdClass();
$preferences->userdefaultemail = $user->email;//may be displayed by the email processor
/// Get providers preferences
foreach ($providers as $provider) {
foreach (array('loggedin', 'loggedoff') as $state) {
$linepref = get_user_preferences('message_provider_'.$provider->component.'_'.$provider->name.'_'.$state, '', $user->id);
if ($linepref == ''){
continue;
}
$lineprefarray = explode(',', $linepref);
$preferences->{$provider->component.'_'.$provider->name.'_'.$state} = array();
foreach ($lineprefarray as $pref) {
$preferences->{$provider->component.'_'.$provider->name.'_'.$state}[$pref] = 1;
}
}
}
/// For every processors put its options on the form (need to get function from processor's lib.php)
foreach ($processors as $processor) {
$processor->object->load_data($preferences, $user->id);
}
//load general messaging preferences
$preferences->blocknoncontacts = get_user_preferences( 'message_blocknoncontacts', '', $user->id);
$preferences->mailformat = $user->mailformat;
$preferences->mailcharset = get_user_preferences( 'mailcharset', '', $user->id);
return $preferences;
}
/**
* Check if the given preference is enabled or not.
*
* @param string $name preference name
* @param stdClass $processor the processors for the preference
* @param stdClass $preferences the preferences config
* @return bool
*/
private function is_preference_enabled($name, $processor, $preferences) {
$defaultpreferences = get_message_output_default_preferences();
$checked = false;
// See if user has touched this preference
if (isset($preferences->{$name})) {
// User have some preferneces for this state in the database, use them
$checked = isset($preferences->{$name}[$processor->name]);
} else {
// User has not set this preference yet, using site default preferences set by admin
$defaultpreference = 'message_provider_'.$name;
if (isset($defaultpreferences->{$defaultpreference})) {
$checked = (int)in_array($processor->name, explode(',', $defaultpreferences->{$defaultpreference}));
}
}
return $checked;
}
/**
* Build the template context for the given processor.
*
* @param stdClass $processor
* @param stdClass $provider
* @param stdClass $preferences the preferences config
* @return array
*/
private function get_processor_context($processor, $provider, $preferences) {
$processorcontext = [
'displayname' => get_string('pluginname', 'message_'.$processor->name),
'name' => $processor->name,
'locked' => false,
'radioname' => strtolower(str_replace(" ", "-", $processor->name)),
'states' => []
];
// determine the default setting
$preferencebase = $this->get_preference_base($provider);
$permitted = MESSAGE_DEFAULT_PERMITTED;
$defaultpreferences = get_message_output_default_preferences();
$defaultpreference = $processor->name.'_provider_'.$preferencebase.'_permitted';
if (isset($defaultpreferences->{$defaultpreference})) {
$permitted = $defaultpreferences->{$defaultpreference};
}
// If settings are disallowed or forced, just display the
// corresponding message, if not use user settings.
if ($permitted == 'disallowed') {
$processorcontext['locked'] = true;
$processorcontext['lockedmessage'] = get_string('disallowed', 'message');
} else if ($permitted == 'forced') {
$processorcontext['locked'] = true;
$processorcontext['lockedmessage'] = get_string('forced', 'message');
} else {
$statescontext = [
'loggedin' => [
'name' => 'loggedin',
'displayname' => get_string('loggedindescription', 'message'),
'checked' => $this->is_preference_enabled($preferencebase.'_loggedin', $processor, $preferences),
'iconurl' => $this->pix_url('i/completion-auto-y')->out(),
],
'loggedoff' => [
'name' => 'loggedoff',
'displayname' => get_string('loggedoffdescription', 'message'),
'checked' => $this->is_preference_enabled($preferencebase.'_loggedoff', $processor, $preferences),
'iconurl' => $this->pix_url('i/completion-auto-n')->out(),
],
'both' => [
'name' => 'both',
'displayname' => get_string('always'),
'checked' => false,
'iconurl' => $this->pix_url('i/completion-auto-pass')->out(),
],
'none' => [
'name' => 'none',
'displayname' => get_string('never'),
'checked' => false,
'iconurl' => $this->pix_url('i/completion-auto-fail')->out(),
],
];
if ($statescontext['loggedin']['checked'] && $statescontext['loggedoff']['checked']) {
$statescontext['both']['checked'] = true;
$statescontext['loggedin']['checked'] = false;
$statescontext['loggedoff']['checked'] = false;
} else if (!$statescontext['loggedin']['checked'] && !$statescontext['loggedoff']['checked']) {
$statescontext['none']['checked'] = true;
}
$processorcontext['states'] = array_values($statescontext);
}
return $processorcontext;
}
/**
* Build the template context for the given component.
*
* @param string $component the component name
* @param stdClass $processors an array of processors
* @param stdClass $providers and array of providers
* @param stdClass $preferences the preferences config
* @return array
*/
private function get_component_context($component, $processors, $providers, $preferences) {
$defaultpreferences = get_message_output_default_preferences();
if ($component != 'moodle') {
$componentname = get_string('pluginname', $component);
} else {
$componentname = get_string('coresystem');
}
$componentcontext = [
'displayname' => $componentname,
'processornames' => [],
'notifications' => [],
];
foreach ($processors as $processor) {
$componentcontext['processornames'][] = get_string('pluginname', 'message_'.$processor->name);
}
foreach ($providers as $provider) {
$preferencebase = $this->get_preference_base($provider);
// If provider component is not same or provider disabled then don't show.
if (($provider->component != $component) ||
(!empty($defaultpreferences->{$preferencebase.'_disable'}))) {
continue;
}
$notificationcontext = [
'displayname' => $this->get_provider_display_name($provider),
'preferencekey' => 'message_provider_'.$preferencebase,
'processors' => [],
];
foreach ($processors as $processor) {
$notificationcontext['processors'][] = $this->get_processor_context($processor, $provider, $preferences);
}
$componentcontext['notifications'][] = $notificationcontext;
}
return $componentcontext;
}
/**
* Build the template context for the message preferences page.
*
* @param stdClass $processors an array of processors
* @param stdClass $providers and array of providers
* @param stdClass $preferences the preferences config
* @param stdClass $user the current user
* @return array
*/
private function get_preferences_context($processors, $providers, $preferences, $user) {
foreach($providers as $provider) {
if($provider->component != 'moodle') {
$components[] = $provider->component;
}
}
// Lets arrange by components so that core settings (moodle) appear as the first table.
$components = array_unique($components);
asort($components);
array_unshift($components, 'moodle'); // pop it in front! phew!
asort($providers);
$context = [];
foreach ($components as $component) {
$context['components'][] = $this->get_component_context($component, $processors, $providers, $preferences);
}
$context['userid'] = $user->id;
$context['disableall'] = $user->emailstop;
return $context;
}
/**
* Display the interface for messaging options
*
* @param object $user instance of a user
* @return string The text to render
*/
public function render_user_preferences($user) {
// Filter out enabled, available system_configured and user_configured processors only.
$readyprocessors = array_filter(get_message_processors(), create_function('$a', 'return $a->enabled && $a->configured && $a->object->is_user_configured();'));
$providers = message_get_providers_for_user($user->id);
$preferences = $this->get_all_preferences($readyprocessors, $providers, $user);
$preferencescontext = $this->get_preferences_context($readyprocessors, $providers, $preferences, $user);
$output = $this->render_from_template('message/preferences_notifications_list', $preferencescontext);
$processorscontext = [
'userid' => $user->id,
'processors' => [],
];
foreach ($readyprocessors as $processor) {
$formhtml = $processor->object->config_form($preferences);
if (!$formhtml) {
continue;
}
$processorscontext['processors'][] = [
'displayname' => get_string('pluginname', 'message_'.$processor->name),
'name' => $processor->name,
'formhtml' => $formhtml,
];
}
$output .= $this->render_from_template('message/preferences_processors', $processorscontext);
$generalsettingscontext = [
'userid' => $user->id,
'blocknoncontacts' => $preferences->blocknoncontacts,
'disableall' => $user->emailstop,
'disableallhelpicon' => $this->output->help_icon('disableall', 'message'),
];
$output .= $this->render_from_template('message/preferences_general_settings', $generalsettingscontext);
return $output;
}
}