File: /var/www/moodle/evaluaciones/moodle/theme/bootstrapbase/renderers/core_renderer.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/>.
/**
* Renderers to align Moodle's HTML with that expected by Bootstrap
*
* @package theme_bootstrapbase
* @copyright 2012 Bas Brands, www.basbrands.nl
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class theme_bootstrapbase_core_renderer extends core_renderer {
/** @var custom_menu_item language The language menu if created */
protected $language = null;
/**
* The standard tags that should be included in the <head> tag
* including a meta description for the front page
*
* @return string HTML fragment.
*/
public function standard_head_html() {
global $SITE, $PAGE;
$output = parent::standard_head_html();
// Setup help icon overlays.
$this->page->requires->yui_module('moodle-core-popuphelp', 'M.core.init_popuphelp');
$this->page->requires->strings_for_js(array(
'morehelp',
'loadinghelp',
), 'moodle');
if ($PAGE->pagelayout == 'frontpage') {
$summary = s(strip_tags(format_text($SITE->summary, FORMAT_HTML)));
if (!empty($summary)) {
$output .= "<meta name=\"description\" content=\"$summary\" />\n";
}
}
return $output;
}
/*
* This renders the navbar.
* Uses bootstrap compatible html.
*/
public function navbar() {
$items = $this->page->navbar->get_items();
if (empty($items)) {
return '';
}
$breadcrumbs = array();
foreach ($items as $item) {
$item->hideicon = true;
$breadcrumbs[] = $this->render($item);
}
$divider = '<span class="divider">'.get_separator().'</span>';
$list_items = '<li>'.join(" $divider</li><li>", $breadcrumbs).'</li>';
$title = '<span class="accesshide" id="navbar-label">'.get_string('pagepath').'</span>';
return $title . '<nav aria-labelledby="navbar-label"><ul class="breadcrumb">' .
$list_items . '</ul></nav>';
}
/*
* Overriding the custom_menu function ensures the custom menu is
* always shown, even if no menu items are configured in the global
* theme settings page.
*/
public function custom_menu($custommenuitems = '') {
global $CFG;
if (empty($custommenuitems) && !empty($CFG->custommenuitems)) {
$custommenuitems = $CFG->custommenuitems;
}
$custommenu = new custom_menu($custommenuitems, current_language());
return $this->render_custom_menu($custommenu);
}
/*
* This renders the bootstrap top menu.
*
* This renderer is needed to enable the Bootstrap style navigation.
*/
protected function render_custom_menu(custom_menu $menu) {
global $CFG;
$langs = get_string_manager()->get_list_of_translations();
$haslangmenu = $this->lang_menu() != '';
if (!$menu->has_children() && !$haslangmenu) {
return '';
}
if ($haslangmenu) {
$strlang = get_string('language');
$currentlang = current_language();
if (isset($langs[$currentlang])) {
$currentlang = $langs[$currentlang];
} else {
$currentlang = $strlang;
}
$this->language = $menu->add($currentlang, new moodle_url(''), $strlang, 10000);
foreach ($langs as $langtype => $langname) {
$this->language->add($langname, new moodle_url($this->page->url, array('lang' => $langtype)), $langname);
}
}
$content = '<ul class="nav">';
foreach ($menu->get_children() as $item) {
$content .= $this->render_custom_menu_item($item, 1);
}
return $content.'</ul>';
}
/*
* This code renders the custom menu items for the
* bootstrap dropdown menu.
*/
protected function render_custom_menu_item(custom_menu_item $menunode, $level = 0 ) {
static $submenucount = 0;
$content = '';
if ($menunode->has_children()) {
if ($level == 1) {
$class = 'dropdown';
} else {
$class = 'dropdown-submenu';
}
if ($menunode === $this->language) {
$class .= ' langmenu';
}
$content = html_writer::start_tag('li', array('class' => $class));
// If the child has menus render it as a sub menu.
$submenucount++;
if ($menunode->get_url() !== null) {
$url = $menunode->get_url();
} else {
$url = '#cm_submenu_'.$submenucount;
}
$content .= html_writer::start_tag('a', array('href'=>$url, 'class'=>'dropdown-toggle', 'data-toggle'=>'dropdown', 'title'=>$menunode->get_title()));
$content .= $menunode->get_text();
if ($level == 1) {
$content .= '<b class="caret"></b>';
}
$content .= '</a>';
$content .= '<ul class="dropdown-menu">';
foreach ($menunode->get_children() as $menunode) {
$content .= $this->render_custom_menu_item($menunode, 0);
}
$content .= '</ul>';
} else {
// The node doesn't have children so produce a final menuitem.
// Also, if the node's text matches '####', add a class so we can treat it as a divider.
if (preg_match("/^#+$/", $menunode->get_text())) {
// This is a divider.
$content = '<li class="divider"> </li>';
} else {
$content = '<li>';
if ($menunode->get_url() !== null) {
$url = $menunode->get_url();
} else {
$url = '#';
}
$content .= html_writer::link($url, $menunode->get_text(), array('title' => $menunode->get_title()));
$content .= '</li>';
}
}
return $content;
}
/**
* This code renders the navbar button to control the display of the custom menu
* on smaller screens.
*
* Do not display the button if the menu is empty.
*
* @return string HTML fragment
*/
protected function navbar_button() {
global $CFG;
if (empty($CFG->custommenuitems) && $this->lang_menu() == '') {
return '';
}
$iconbar = html_writer::tag('span', '', array('class' => 'icon-bar'));
$button = html_writer::tag('a', $iconbar . "\n" . $iconbar. "\n" . $iconbar, array(
'class' => 'btn btn-navbar',
'data-toggle' => 'collapse',
'data-target' => '.nav-collapse'
));
return $button;
}
/**
* Renders tabtree
*
* @param tabtree $tabtree
* @return string
*/
protected function render_tabtree(tabtree $tabtree) {
if (empty($tabtree->subtree)) {
return '';
}
$firstrow = $secondrow = '';
foreach ($tabtree->subtree as $tab) {
$firstrow .= $this->render($tab);
if (($tab->selected || $tab->activated) && !empty($tab->subtree) && $tab->subtree !== array()) {
$secondrow = $this->tabtree($tab->subtree);
}
}
return html_writer::tag('ul', $firstrow, array('class' => 'nav nav-tabs')) . $secondrow;
}
/**
* Renders tabobject (part of tabtree)
*
* This function is called from {@link core_renderer::render_tabtree()}
* and also it calls itself when printing the $tabobject subtree recursively.
*
* @param tabobject $tabobject
* @return string HTML fragment
*/
protected function render_tabobject(tabobject $tab) {
if (($tab->selected and (!$tab->linkedwhenselected)) or $tab->activated) {
return html_writer::tag('li', html_writer::tag('a', $tab->text), array('class' => 'active'));
} else if ($tab->inactive) {
return html_writer::tag('li', html_writer::tag('a', $tab->text), array('class' => 'disabled'));
} else {
if (!($tab->link instanceof moodle_url)) {
// backward compartibility when link was passed as quoted string
$link = "<a href=\"$tab->link\" title=\"$tab->title\">$tab->text</a>";
} else {
$link = html_writer::link($tab->link, $tab->text, array('title' => $tab->title));
}
$params = $tab->selected ? array('class' => 'active') : null;
return html_writer::tag('li', $link, $params);
}
}
}
/**
* Overridden core maintenance renderer.
*
* This renderer gets used instead of the standard core_renderer during maintenance
* tasks such as installation and upgrade.
* We override it in order to style those scenarios consistently with the regular
* bootstrap look and feel.
*
* @package theme_bootstrapbase
* @copyright 2014 Sam Hemelryk
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class theme_bootstrapbase_core_renderer_maintenance extends core_renderer_maintenance {
}