PHP right_to_left函数代码示例

 public function get_csswww()
 {
     global $CFG;
     if (!$this->theme_essential_lte_ie9()) {
         if (right_to_left()) {
             $moodlecss = 'essential-rtl.css';
         } else {
             $moodlecss = 'essential.css';
         }
         $syscontext = context_system::instance();
         $itemid = theme_get_revision();
         $url = moodle_url::make_file_url("{$CFG->wwwroot}/pluginfile.php", "/{$syscontext->id}/theme_essential/style/{$itemid}/{$moodlecss}");
         $url = preg_replace('|^https?://|i', '//', $url->out(false));
         return '<link rel="stylesheet" href="' . $url . '">';
     } else {
         if (right_to_left()) {
             $moodlecssone = 'essential-rtl_ie9-blessed1.css';
             $moodlecsstwo = 'essential-rtl_ie9.css';
         } else {
             $moodlecssone = 'essential_ie9-blessed1.css';
             $moodlecsstwo = 'essential_ie9.css';
         }
         $syscontext = context_system::instance();
         $itemid = theme_get_revision();
         $urlone = moodle_url::make_file_url("{$CFG->wwwroot}/pluginfile.php", "/{$syscontext->id}/theme_essential/style/{$itemid}/{$moodlecssone}");
         $urlone = preg_replace('|^https?://|i', '//', $urlone->out(false));
         $urltwo = moodle_url::make_file_url("{$CFG->wwwroot}/pluginfile.php", "/{$syscontext->id}/theme_essential/style/{$itemid}/{$moodlecsstwo}");
         $urltwo = preg_replace('|^https?://|i', '//', $urltwo->out(false));
         return '<link rel="stylesheet" href="' . $urlone . '"><link rel="stylesheet" href="' . $urltwo . '">';
     }
 }

 protected function get_nav_links_content($course, $sections, $sectionno, $buffer = 0)
 {
     // FIXME: This is really evil and should by using the navigation API.
     $course = \course_get_format($course)->get_course();
     $left = 'left';
     $right = 'right';
     if (\right_to_left()) {
         $temp = $left;
         $left = $right;
         $right = $temp;
     }
     $previousarrow = '<span aria-hidden="true" class="fa fa-chevron-circle-' . $left . '"></span>';
     $nextarrow = '<span aria-hidden="true" class="fa fa-chevron-circle-' . $right . '"></span>';
     $canviewhidden = \has_capability('moodle/course:viewhiddensections', \context_course::instance($course->id)) or !$course->hiddensections;
     $links = array('previous' => '', 'next' => '');
     $back = $sectionno - 1;
     while ($back > $buffer and empty($links['previous'])) {
         if ($canviewhidden || $sections[$back]->uservisible) {
             $params = array('id' => 'previous_section');
             if (!$sections[$back]->visible) {
                 $params['class'] = 'dimmed_text';
             }
             $previouslink = \html_writer::start_tag('div', array('class' => 'nav_icon'));
             $previouslink .= $previousarrow;
             $previouslink .= \html_writer::end_tag('div');
             $previouslink .= \html_writer::start_tag('span', array('class' => 'text'));
             $previouslink .= \html_writer::start_tag('span', array('class' => 'nav_guide'));
             $previouslink .= \get_string('previoussection', 'theme_essential');
             $previouslink .= \html_writer::end_tag('span');
             $previouslink .= \html_writer::empty_tag('br');
             $previouslink .= \get_section_name($course, $sections[$back]);
             $previouslink .= \html_writer::end_tag('span');
             $links['previous'] = \html_writer::link(course_get_url($course, $back), $previouslink, $params);
         }
         $back--;
     }
     $forward = $sectionno + 1;
     while ($forward <= $course->numsections and empty($links['next'])) {
         if ($canviewhidden || $sections[$forward]->uservisible) {
             $params = array('id' => 'next_section');
             if (!$sections[$forward]->visible) {
                 $params['class'] = 'dimmed_text';
             }
             $nextlink = \html_writer::start_tag('div', array('class' => 'nav_icon'));
             $nextlink .= $nextarrow;
             $nextlink .= \html_writer::end_tag('div');
             $nextlink .= \html_writer::start_tag('span', array('class' => 'text'));
             $nextlink .= \html_writer::start_tag('span', array('class' => 'nav_guide'));
             $nextlink .= \get_string('nextsection', 'theme_essential');
             $nextlink .= \html_writer::end_tag('span');
             $nextlink .= \html_writer::empty_tag('br');
             $nextlink .= \get_section_name($course, $sections[$forward]);
             $nextlink .= \html_writer::end_tag('span');
             $links['next'] = \html_writer::link(course_get_url($course, $forward), $nextlink, $params);
         }
         $forward++;
     }
     return $links;
 }

 function get_content()
 {
     global $CFG, $WS, $USER;
     if (empty($WS->dfwiki)) {
         $this->content->text = get_string('block_warning', 'wiki');
         return $this->content;
     }
     //         $this->content->footer = '<br />'
     //             . helpbutton('ranking', $this->title, 'wiki', true, false, '', true)
     //             . $this->title;
     // dfwiki-block || course-block
     if ($this->instance->pagetype == 'mod-wiki-view') {
         $dir = $CFG->wwwroot . '/mod/wiki/view.php?id=' . $WS->cm->id;
     } else {
         $dir = $CFG->wwwroot . '/course/view.php?id=' . $WS->cm->course;
     }
     if (!empty($WS->dfwiki) && $WS->dfwiki->votemode == 0) {
         $this->content->text = get_string('vote_warning', 'wiki');
         return $this->content;
     }
     $vote = optional_param('Vote', NULL, PARAM_ALPHA);
     $wikimanager = wiki_manager_get_instance();
     if ($WS->dfwiki->votemode == 1 and $vote == 'Vote') {
         $wikimanager->vote_page($WS->dfwiki->id, $WS->page, $WS->pagedata->version, $USER->username);
     }
     $ranking = $wikimanager->get_vote_ranking($WS->dfwiki->id);
     $this->content = new stdClass();
     if (!$ranking) {
         $this->content->text = get_string('nopages', 'wiki');
         $this->content->footer = '';
         return $this->content;
     }
     if (right_to_left()) {
         // rtl support for table cell alignment (nadavkav patch)
         $alignmentleft = 'right';
         $alignmentright = 'left';
     } else {
         $alignmentleft = 'left';
         $alignmentright = 'right';
     }
     $text = '<table border="0" width="100" cellpadding="0" cellspacing="0">' . '<tr><th>' . get_string('page') . '</th><th>' . get_string('votes', 'wiki') . '</th></tr>';
     $n_rows = 0;
     foreach ($ranking as $row) {
         $text .= '<tr><td align="' . $alignmentleft . '">' . '<a href="' . $dir . '&amp;page=' . urlencode($row->pagename) . '">' . $this->trim_string($row->pagename, 20) . '</a></td>' . '<td align="center">' . $row->votes . '</td></tr>';
         // Show only the first 5 rows.
         if (++$n_rows == 5) {
             break;
         }
     }
     $text .= '</table>';
     $this->content->text = $text;
     $this->content->footer = '&nbsp;';
     return $this->content;
 }

    function get_content()
    {
        global $CFG, $WS;
        if ($this->content !== NULL) {
            return $this->content;
        }
        //If we are out of a dfwiki activity or in a different
        //dfwiki format course and we want to create a block:
        if (empty($WS->dfwiki)) {
            $this->content->text = get_string('block_warning', 'wiki');
            return $this->content;
        }
        $this->content = new stdClass();
        $this->content->items = array();
        $this->content->icons = array();
        //$this->content->footer = '<br />'.helpbutton ('updated', get_string('block_updated', 'wiki'), 'wiki', true, false, '', true).get_string('block_updated', 'wiki');
        $ead = wiki_manager_get_instance();
        $pages = $ead->get_wiki_most_uptodate_pages(10);
        // dfwiki-block || course-block
        $dir = "";
        if ($this->instance->pagetype == "mod-wiki-view") {
            $dir = $CFG->wwwroot . '/mod/wiki/view.php?id=' . $WS->cm->id;
        } else {
            $dir = $CFG->wwwroot . '/course/view.php?id=' . $WS->cm->course;
        }
        // rtl / ltr CSS alignment support (nadavkav)
        if (right_to_left()) {
            $nwikialignment = 'nwikirightnow';
        } else {
            $nwikialignment = 'nwikileftnow';
        }
        if (count($pages) != 0) {
            $text = '<table border="0" cellpadding="0" cellspacing="0">';
            $i = 1;
            foreach ($pages as $page) {
                $pageinfo = wiki_page_last_version($page);
                $brs = strlen($page) > 12 ? '<br />&nbsp;&nbsp;&nbsp;' : '';
                $text .= '<tr>
					<td class="' . $nwikialignment . '">
						' . $i . '- <a href="' . $dir . '&amp;page=' . urlencode($page) . '" title="' . $page . '">' . $this->trim_string($page, 40) . '</a>' . $brs . '
						&nbsp;-&nbsp;<small>(' . strftime('%d %b %y', $pageinfo->lastmodified) . ')</small>
						' . wiki_get_user_info($pageinfo->author, 40, false) . '
					</td>
					</tr>';
                $i++;
            }
            $text .= '</table>';
        } else {
            $text = get_string('nopages', 'wiki');
        }
        $this->content->text = $text;
        return $this->content;
    }

 /**
  * Constructor method, calls the parent constructor - MDL-21097
  *
  * @param moodle_page $page
  * @param string $target one of rendering target constants
  */
 public function __construct(moodle_page $page, $target)
 {
     parent::__construct($page, $target);
     $this->togglelib = new topcoll_togglelib();
     $this->courseformat = course_get_format($page->course);
     // Needed for collapsed topics settings retrieval.
     /* Since format_topcoll_renderer::section_edit_controls() only displays the 'Set current section' control when editing
        mode is on we need to be sure that the link 'Turn editing mode on' is available for a user who does not have any
        other managing capability. */
     $page->set_other_editing_capability('moodle/course:setcurrentsection');
     global $PAGE;
     $this->userisediting = $PAGE->user_is_editing();
     $this->tctoggleiconsize = clean_param(get_config('format_topcoll', 'defaulttoggleiconsize'), PARAM_TEXT);
     $this->rtl = right_to_left();
 }

 function checklist_class($cmid = 'staticonly', $userid = 0, $checklist = NULL, $cm = NULL, $course = NULL)
 {
     global $COURSE;
     if ($cmid == 'staticonly') {
         //use static functions only!
         return;
     }
     $this->userid = $userid;
     global $CFG;
     if (right_to_left()) {
         // rtl support for table cell alignment (nadavkav patch)
         $alignleft = 'right';
         $alignright = 'left';
     } else {
         $alignleft = 'left';
         $alignright = 'right';
     }
     if ($cm) {
         $this->cm = $cm;
     } else {
         if (!($this->cm = get_coursemodule_from_id('checklist', $cmid))) {
             error('Course Module ID was incorrect');
         }
     }
     $this->context = get_context_instance(CONTEXT_MODULE, $this->cm->id);
     if ($course) {
         $this->course = $course;
     } else {
         if ($this->cm->course == $COURSE->id) {
             $this->course = $COURSE;
         } else {
             if (!($this->course = get_record('course', 'id', $this->cm->course))) {
                 error('Course is misconfigured');
             }
         }
     }
     if ($checklist) {
         $this->checklist = $checklist;
     } else {
         if (!($this->checklist = get_record('checklist', 'id', $this->cm->instance))) {
             error('assignment ID was incorrect');
         }
     }
     $this->strchecklist = get_string('modulename', 'checklist');
     $this->strchecklists = get_string('modulenameplural', 'checklist');
     $this->pagetitle = strip_tags($this->course->shortname . ': ' . $this->strchecklist . ': ' . format_string($this->checklist->name, true));
     $this->get_items();
 }

 public function get_other_values(renderer_base $output)
 {
     $values = array();
     $values['autostart'] = $this->comment->get_autostart();
     $values['canpost'] = $this->comment->can_post();
     $values['canview'] = $this->comment->can_view();
     $values['collapsediconurl'] = $output->pix_url(right_to_left() ? 't/collapsed_rtl' : 't/collapsed')->out(false);
     $values['count'] = $this->comment->count();
     $values['displaycancel'] = $this->comment->get_displaycancel();
     $values['displaytotalcount'] = $this->comment->get_displaytotalcount();
     $values['fullwidth'] = $this->comment->get_fullwidth();
     $values['linktext'] = $this->comment->get_linktext();
     $values['notoggle'] = $this->comment->get_notoggle();
     $values['template'] = $this->comment->get_template();
     $values['canpostorhascomments'] = $values['canpost'] || $values['canview'] && $values['count'] > 0;
     return $values;
 }

/**
 * Callback function called from question_list() function (which is called from showbank())
 * Displays action icon as first action for each question.
 */
function module_specific_actions($pageurl, $questionid, $cmid, $canuse)
{
    global $CFG;
    if ($canuse) {
        // for RTL languages: switch right and left arrows /****/
        if (right_to_left()) {
            $movearrow = 'removeright.gif';
        } else {
            $movearrow = 'moveleft.gif';
        }
        $straddtoquiz = get_string("addtoquiz", "quiz");
        $out = "<a title=\"{$straddtoquiz}\" href=\"edit.php?" . $pageurl->get_query_string() . "&amp;addquestion={$questionid}&amp;sesskey=" . sesskey() . "\"><img\n                  src=\"{$CFG->pixpath}/t/{$movearrow}\" alt=\"{$straddtoquiz}\" /></a>&nbsp;";
        return $out;
    } else {
        return '';
    }
}

 public function navbar()
 {
     $items = $this->page->navbar->get_items();
     if (right_to_left()) {
         $dividericon = 'fa-angle-left';
     } else {
         $dividericon = 'fa-angle-right';
     }
     $divider = html_writer::tag('span', html_writer::start_tag('i', array('class' => 'fa ' . $dividericon . ' fa-lg')) . html_writer::end_tag('i'), array('class' => 'divider'));
     $breadcrumbs = array();
     foreach ($items as $item) {
         $item->hideicon = true;
         $breadcrumbs[] = $this->render($item);
     }
     $list_items = html_writer::start_tag('li') . implode("{$divider}" . html_writer::end_tag('li') . html_writer::start_tag('li'), $breadcrumbs) . html_writer::end_tag('li');
     $title = html_writer::tag('span', get_string('pagepath'), array('class' => 'accesshide'));
     return $title . html_writer::tag('ul', "{$list_items}", array('class' => 'breadcrumb'));
 }

 /**
  * Display the authorised user selector
  *
  * @param stdClass $options It contains alloweduserselector, potentialuserselector and serviceid
  * @return string html
  */
 public function admin_authorised_user_selector(&$options)
 {
     global $CFG;
     $formcontent = html_writer::empty_tag('input', array('name' => 'sesskey', 'value' => sesskey(), 'type' => 'hidden'));
     $table = new html_table();
     $table->size = array('45%', '10%', '45%');
     $table->attributes['class'] = 'roleassigntable generaltable generalbox boxaligncenter';
     $table->summary = '';
     $table->cellspacing = 0;
     $table->cellpadding = 0;
     // LTR/RTL support, for drawing button arrows in the right direction
     if (right_to_left()) {
         $addarrow = '▶';
         $removearrow = '◀';
     } else {
         $addarrow = '◀';
         $removearrow = '▶';
     }
     //create the add and remove button
     $addinput = html_writer::empty_tag('input', array('name' => 'add', 'id' => 'add', 'type' => 'submit', 'value' => $addarrow . ' ' . get_string('add'), 'title' => get_string('add')));
     $addbutton = html_writer::tag('div', $addinput, array('id' => 'addcontrols'));
     $removeinput = html_writer::empty_tag('input', array('name' => 'remove', 'id' => 'remove', 'type' => 'submit', 'value' => $removearrow . ' ' . get_string('remove'), 'title' => get_string('remove')));
     $removebutton = html_writer::tag('div', $removeinput, array('id' => 'removecontrols'));
     //create the three cells
     $label = html_writer::tag('label', get_string('serviceusers', 'webservice'), array('for' => 'removeselect'));
     $label = html_writer::tag('p', $label);
     $authoriseduserscell = new html_table_cell($label . $options->alloweduserselector->display(true));
     $authoriseduserscell->id = 'existingcell';
     $buttonscell = new html_table_cell($addbutton . html_writer::empty_tag('br') . $removebutton);
     $buttonscell->id = 'buttonscell';
     $label = html_writer::tag('label', get_string('potusers', 'webservice'), array('for' => 'addselect'));
     $label = html_writer::tag('p', $label);
     $otheruserscell = new html_table_cell($label . $options->potentialuserselector->display(true));
     $otheruserscell->id = 'potentialcell';
     $cells = array($authoriseduserscell, $buttonscell, $otheruserscell);
     $row = new html_table_row($cells);
     $table->data[] = $row;
     $formcontent .= html_writer::table($table);
     $formcontent = html_writer::tag('div', $formcontent);
     $actionurl = new moodle_url('/' . $CFG->admin . '/webservice/service_users.php', array('id' => $options->serviceid));
     $html = html_writer::tag('form', $formcontent, array('id' => 'assignform', 'action' => $actionurl, 'method' => 'post'));
     return $html;
 }

 function init()
 {
     global $CFG, $WS;
     $this->title = get_string('block_index_current', 'wiki') . helpbutton('index_current', get_string('block_index_current', 'wiki'), 'wiki', true, false, '', true);
     $this->version = 2004081200;
     //initiates images array
     if (isset($WS->dfcourse)) {
         $imgclass = 'wiki_folding_co';
     } else {
         $imgclass = 'wiki_folding';
     }
     if (right_to_left()) {
         $squaredir = 'left';
     } else {
         $squaredir = 'right';
     }
     // rtl support (nadavkav patch)
     $this->images = array('plus' => '<img src="' . $CFG->wwwroot . '/mod/wiki/images/plus.gif" class="' . $imgclass . '" alt="" />', 'minus' => '<img src="' . $CFG->wwwroot . '/mod/wiki/images/minus.gif" class="' . $imgclass . '" alt="" />', 'square' => '<img src="' . $CFG->wwwroot . '/mod/wiki/images/square-' . $squaredir . '.png" alt="" />');
 }

 function _createElements()
 {
     $this->_elements = array();
     for ($i = 1; $i <= 31; $i++) {
         $days[$i] = $i;
     }
     for ($i = 1; $i <= 12; $i++) {
         $months[$i] = userdate(gmmktime(12, 0, 0, $i, 15, 2000), "%B");
     }
     for ($i = $this->_options['startyear']; $i <= $this->_options['stopyear']; $i++) {
         $years[$i] = $i;
     }
     for ($i = 0; $i <= 23; $i++) {
         $hours[$i] = sprintf("%02d", $i);
     }
     for ($i = 0; $i < 60; $i += $this->_options['step']) {
         $minutes[$i] = sprintf("%02d", $i);
     }
     $this->_elements[] =& MoodleQuickForm::createElement('select', 'day', get_string('day', 'form'), $days, $this->getAttributes(), true);
     $this->_elements[] =& MoodleQuickForm::createElement('select', 'month', get_string('month', 'form'), $months, $this->getAttributes(), true);
     $this->_elements[] =& MoodleQuickForm::createElement('select', 'year', get_string('year', 'form'), $years, $this->getAttributes(), true);
     if (right_to_left()) {
         // Switch order of elements for Right-to-Left
         $this->_elements[] =& MoodleQuickForm::createElement('select', 'minute', get_string('minute', 'form'), $minutes, $this->getAttributes(), true);
         $this->_elements[] =& MoodleQuickForm::createElement('select', 'hour', get_string('hour', 'form'), $hours, $this->getAttributes(), true);
     } else {
         $this->_elements[] =& MoodleQuickForm::createElement('select', 'hour', get_string('hour', 'form'), $hours, $this->getAttributes(), true);
         $this->_elements[] =& MoodleQuickForm::createElement('select', 'minute', get_string('minute', 'form'), $minutes, $this->getAttributes(), true);
     }
     // If optional we add a checkbox which the user can use to turn if on
     if ($this->_options['optional']) {
         $this->_elements[] =& MoodleQuickForm::createElement('checkbox', 'off', null, get_string('disable'), $this->getAttributes(), true);
     }
     foreach ($this->_elements as $element) {
         if (method_exists($element, 'setHiddenLabel')) {
             $element->setHiddenLabel(true);
         }
     }
 }

 /**
  * Renders a custom menu node as part of a submenu
  *
  * The custom menu this method override the render_custom_menu_item function
  * in outputrenderers.php
  *
  * @see render_custom_menu()
  *
  * @staticvar int $submenucount
  * @param custom_menu_item $menunode
  * @return string
  */
 protected function render_custom_menu_item(custom_menu_item $menunode)
 {
     if (!right_to_left()) {
         // Keep YUI3 navmenu for LTR UI
         parent::render_custom_menu_item($menunode);
     }
     // Required to ensure we get unique trackable id's
     static $submenucount = 0;
     $content = html_writer::start_tag('li');
     if ($menunode->has_children()) {
         // 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('span', array('class' => 'customitem'));
         $content .= html_writer::link($url, $menunode->get_text(), array('title' => $menunode->get_title()));
         $content .= html_writer::end_tag('span');
         $content .= html_writer::start_tag('ul');
         foreach ($menunode->get_children() as $menunode) {
             $content .= $this->render_custom_menu_item($menunode);
         }
         $content .= html_writer::end_tag('ul');
     } else {
         // The node doesn't have children so produce a final menuitem
         if ($menunode->get_url() !== null) {
             $url = $menunode->get_url();
         } else {
             $url = '#';
         }
         $content .= html_writer::link($url, $menunode->get_text(), array('title' => $menunode->get_title()));
     }
     $content .= html_writer::end_tag('li');
     // Return the sub menu
     return $content;
 }

    static public function get_csswww() {
        global $CFG;

        if (!self::lte_ie9()) {
            if (\right_to_left()) {
                $moodlecss = 'essential-rtl.css';
            } else {
                $moodlecss = 'essential.css';
            }

            $syscontext = \context_system::instance();
            $itemid = \theme_get_revision();
            $url = \moodle_url::make_file_url("$CFG->wwwroot/pluginfile.php",
                            "/$syscontext->id/theme_essential/style/$itemid/$moodlecss");
            $url = preg_replace('|^https?://|i', '//', $url->out(false));
            return '<link rel="stylesheet" href="' . $url . '">';
        } else {
            if (\right_to_left()) {
                $moodlecssone = 'essential-rtl_ie9-blessed1.css';
                $moodlecsstwo = 'essential-rtl_ie9.css';
            } else {
                $moodlecssone = 'essential_ie9-blessed1.css';
                $moodlecsstwo = 'essential_ie9.css';
            }

            $syscontext = \context_system::instance();
            $itemid = \theme_get_revision();
            $urlone = \moodle_url::make_file_url("$CFG->wwwroot/pluginfile.php",
                            "/$syscontext->id/theme_essential/style/$itemid/$moodlecssone");
            $urlone = preg_replace('|^https?://|i', '//', $urlone->out(false));
            $urltwo = \moodle_url::make_file_url("$CFG->wwwroot/pluginfile.php",
                            "/$syscontext->id/theme_essential/style/$itemid/$moodlecsstwo");
            $urltwo = preg_replace('|^https?://|i', '//', $urltwo->out(false));
            return '<link rel="stylesheet" href="'.$urlone . '"><link rel="stylesheet" href="'.$urltwo.'">';
        }
    }

// 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/>.
/**
 * The two column layout.
 *
 * @package   theme_ent90
 * @copyright 2013 Moodle, moodle.org
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
// Get the HTML for the settings bits.
$html = theme_ent90_get_html_for_settings($OUTPUT, $PAGE);
$left = !right_to_left();
// To know if to add 'pull-right' and 'desktop-first-column' classes in the layout for LTR.
echo $OUTPUT->doctype();
?>
<html <?php 
echo $OUTPUT->htmlattributes();
?>
>
<head>
    <title><?php 
echo $OUTPUT->page_title();
?>
</title>
    <link rel="shortcut icon" href="<?php 
echo $OUTPUT->favicon();
?>