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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/>.
/**
* 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'] = '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('i/hide'),
'class' => 'icon',
'title' => get_string('outputenabled', 'message'),
'alt' => get_string('outputenabled', 'message'),
)
));
} else {
$name->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('i/show'),
'class' => 'icon',
'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);
}
// 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);
// Settings for each processor
foreach ($processors as $processor) {
$cellcontent = '';
foreach (array('permitted', 'loggedin', 'loggedoff') as $setting) {
// pepare element and preference names
$elementname = $provider->component.'_'.$provider->name.'_'.$setting.'['.$processor->name.']';
$preferencebase = $provider->component.'_'.$provider->name.'_'.$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 (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);
}
$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;
}
/**
* Display the interface for messaging options
*
* @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
* @param array $defaultpreferences Array of objects containing site default preferences
* @param bool $notificationsdisabled Indicate if the user's "emailstop" flag is set (shouldn't receive any non-forced notifications)
* @return string The text to render
*/
public function manage_messagingoptions($processors, $providers, $preferences, $defaultpreferences, $notificationsdisabled = false) {
// Filter out enabled, available system_configured and user_configured processors only.
$readyprocessors = array_filter($processors, create_function('$a', 'return $a->enabled && $a->configured && $a->object->is_user_configured();'));
// Start the form. We're not using mform here because of our special formatting needs ...
$output = html_writer::start_tag('form', array('method'=>'post', 'class' => 'mform'));
$output .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'sesskey', 'value'=>sesskey()));
/// Settings table...
$output .= html_writer::start_tag('fieldset', array('id' => 'providers', 'class' => 'clearfix'));
$output .= html_writer::nonempty_tag('legend', get_string('providers_config', 'message'), array('class' => 'ftoggler'));
// Display the messging options table
$table = new html_table();
$table->attributes['class'] = 'generaltable';
$table->data = array();
$table->head = array('');
foreach ($readyprocessors as $processor) {
$table->head[] = get_string('pluginname', 'message_'.$processor->name);
}
$number_procs = count($processors);
// Populate the table with rows
foreach ( $providers as $provider) {
$preferencebase = $provider->component.'_'.$provider->name;
$headerrow = new html_table_row();
$providername = get_string('messageprovider:'.$provider->name, $provider->component);
$providercell = new html_table_cell($providername);
$providercell->header = true;
$providercell->colspan = $number_procs + 1;
$providercell->attributes['class'] = 'c0';
$headerrow->cells = array($providercell);
$table->data[] = $headerrow;
foreach (array('loggedin', 'loggedoff') as $state) {
$optionrow = new html_table_row();
$optionname = new html_table_cell(get_string($state.'description', 'message'));
$optionname->attributes['class'] = 'c0';
$optionrow->cells = array($optionname);
foreach ($readyprocessors as $processor) {
// determine the default setting
$permitted = MESSAGE_DEFAULT_PERMITTED;
$defaultpreference = $processor->name.'_provider_'.$preferencebase.'_permitted';
if (isset($defaultpreferences->{$defaultpreference})) {
$permitted = $defaultpreferences->{$defaultpreference};
}
// If settings are disallowed, just display the message that
// the setting is not permitted, if not use user settings or
// force them.
if ($permitted == 'disallowed') {
if ($state == 'loggedoff') {
// skip if we are rendering the second line
continue;
}
$cellcontent = html_writer::nonempty_tag('div', get_string('notpermitted', 'message'), array('class' => 'dimmed_text'));
$optioncell = new html_table_cell($cellcontent);
$optioncell->rowspan = 2;
$optioncell->attributes['class'] = 'disallowed';
} else {
// determine user preferences and use then unless we force
// the preferences.
$disabled = array();
if ($permitted == 'forced') {
$checked = true;
$disabled['disabled'] = 1;
} else {
$checked = false;
if ($notificationsdisabled) {
$disabled['disabled'] = 1;
}
// See if user has touched this preference
if (isset($preferences->{$preferencebase.'_'.$state})) {
// User have some preferneces for this state in the database, use them
$checked = isset($preferences->{$preferencebase.'_'.$state}[$processor->name]);
} else {
// User has not set this preference yet, using site default preferences set by admin
$defaultpreference = 'message_provider_'.$preferencebase.'_'.$state;
if (isset($defaultpreferences->{$defaultpreference})) {
$checked = (int)in_array($processor->name, explode(',', $defaultpreferences->{$defaultpreference}));
}
}
}
$elementname = $preferencebase.'_'.$state.'['.$processor->name.']';
// prepare language bits
$processorname = get_string('pluginname', 'message_'.$processor->name);
$statename = get_string($state, 'message');
$labelparams = array(
'provider' => $providername,
'processor' => $processorname,
'state' => $statename
);
$label = get_string('sendingviawhen', 'message', $labelparams);
$cellcontent = html_writer::label($label, $elementname, true, array('class' => 'accesshide'));
$cellcontent .= html_writer::checkbox($elementname, 1, $checked, '', array_merge(array('id' => $elementname, 'class' => 'notificationpreference'), $disabled));
$optioncell = new html_table_cell($cellcontent);
$optioncell->attributes['class'] = 'mdl-align';
}
$optionrow->cells[] = $optioncell;
}
$table->data[] = $optionrow;
}
}
$output .= html_writer::start_tag('div');
$output .= html_writer::table($table);
$output .= html_writer::end_tag('div');
$disableallcheckbox = $this->output->help_icon('disableall', 'message') . get_string('disableall', 'message') . html_writer::checkbox('disableall', 1, $notificationsdisabled, '', array('class'=>'disableallcheckbox'));
$output .= html_writer::nonempty_tag('div', $disableallcheckbox, array('class'=>'disableall'));
$output .= html_writer::end_tag('fieldset');
foreach ($processors as $processor) {
if (($processorconfigform = $processor->object->config_form($preferences)) && $processor->enabled) {
$output .= html_writer::start_tag('fieldset', array('id' => 'messageprocessor_'.$processor->name, 'class' => 'clearfix'));
$output .= html_writer::nonempty_tag('legend', get_string('pluginname', 'message_'.$processor->name), array('class' => 'ftoggler'));
$output .= html_writer::start_tag('div');
$output .= $processorconfigform;
$output .= html_writer::end_tag('div');
$output .= html_writer::end_tag('fieldset');
}
}
$output .= html_writer::start_tag('fieldset', array('id' => 'messageprocessor_general', 'class' => 'clearfix'));
$output .= html_writer::nonempty_tag('legend', get_string('generalsettings','admin'), array('class' => 'ftoggler'));
$output .= html_writer::start_tag('div');
$output .= get_string('blocknoncontacts', 'message').': ';
$output .= html_writer::checkbox('blocknoncontacts', 1, $preferences->blocknoncontacts, '');
$output .= html_writer::end_tag('div');
$output .= html_writer::end_tag('fieldset');
$output .= html_writer::start_tag('div', array('class' => 'mdl-align'));
$output .= html_writer::empty_tag('input', array('type' => 'submit', 'value' => get_string('updatemyprofile'), 'class' => 'form-submit'));
$output .= html_writer::end_tag('div');
$output .= html_writer::end_tag('form');
return $output;
}
}