File: /var/www/moodle/evaluaciones/moodle/mod/choice/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/>.
/**
* Moodle renderer used to display special elements of the lesson module
*
* @package mod_choice
* @copyright 2010 Rossiani Wijaya
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
**/
define ('DISPLAY_HORIZONTAL_LAYOUT', 0);
define ('DISPLAY_VERTICAL_LAYOUT', 1);
class mod_choice_renderer extends plugin_renderer_base {
/**
* Returns HTML to display choices of option
* @param object $options
* @param int $coursemoduleid
* @param bool $vertical
* @return string
*/
public function display_options($options, $coursemoduleid, $vertical = false, $multiple = false) {
$layoutclass = 'horizontal';
if ($vertical) {
$layoutclass = 'vertical';
}
$target = new moodle_url('/mod/choice/view.php');
$attributes = array('method'=>'POST', 'action'=>$target, 'class'=> $layoutclass);
$disabled = empty($options['previewonly']) ? array() : array('disabled' => 'disabled');
$html = html_writer::start_tag('form', $attributes);
$html .= html_writer::start_tag('ul', array('class' => 'choices list-unstyled unstyled'));
$availableoption = count($options['options']);
$choicecount = 0;
foreach ($options['options'] as $option) {
$choicecount++;
$html .= html_writer::start_tag('li', array('class'=>'option'));
if ($multiple) {
$option->attributes->name = 'answer[]';
$option->attributes->type = 'checkbox';
} else {
$option->attributes->name = 'answer';
$option->attributes->type = 'radio';
}
$option->attributes->id = 'choice_'.$choicecount;
$option->attributes->class = 'm-x-1';
$labeltext = $option->text;
if (!empty($option->attributes->disabled)) {
$labeltext .= ' ' . get_string('full', 'choice');
$availableoption--;
}
$html .= html_writer::empty_tag('input', (array)$option->attributes + $disabled);
$html .= html_writer::tag('label', $labeltext, array('for'=>$option->attributes->id));
$html .= html_writer::end_tag('li');
}
$html .= html_writer::tag('li','', array('class'=>'clearfloat'));
$html .= html_writer::end_tag('ul');
$html .= html_writer::tag('div', '', array('class'=>'clearfloat'));
$html .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'sesskey', 'value'=>sesskey()));
$html .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'action', 'value'=>'makechoice'));
$html .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'id', 'value'=>$coursemoduleid));
if (empty($options['previewonly'])) {
if (!empty($options['hascapability']) && ($options['hascapability'])) {
if ($availableoption < 1) {
$html .= html_writer::tag('label', get_string('choicefull', 'choice'));
} else {
$html .= html_writer::empty_tag('input', array(
'type' => 'submit',
'value' => get_string('savemychoice', 'choice'),
'class' => 'btn btn-primary'
));
}
if (!empty($options['allowupdate']) && ($options['allowupdate'])) {
$url = new moodle_url('view.php',
array('id' => $coursemoduleid, 'action' => 'delchoice', 'sesskey' => sesskey()));
$html .= html_writer::link($url, get_string('removemychoice', 'choice'), array('class' => 'm-l-1'));
}
} else {
$html .= html_writer::tag('label', get_string('havetologin', 'choice'));
}
}
$html .= html_writer::end_tag('ul');
$html .= html_writer::end_tag('form');
return $html;
}
/**
* Returns HTML to display choices result
* @param object $choices
* @param bool $forcepublish
* @return string
*/
public function display_result($choices, $forcepublish = false) {
if (empty($forcepublish)) { //allow the publish setting to be overridden
$forcepublish = $choices->publish;
}
$displaylayout = $choices->display;
if ($forcepublish) { //CHOICE_PUBLISH_NAMES
return $this->display_publish_name_vertical($choices);
} else {
return $this->display_publish_anonymous($choices, $displaylayout);
}
}
/**
* Returns HTML to display choices result
* @param object $choices
* @param bool $forcepublish
* @return string
*/
public function display_publish_name_vertical($choices) {
global $PAGE;
$html ='';
$html .= html_writer::tag('h3',format_string(get_string("responses", "choice")));
$attributes = array('method'=>'POST');
$attributes['action'] = new moodle_url($PAGE->url);
$attributes['id'] = 'attemptsform';
if ($choices->viewresponsecapability) {
$html .= html_writer::start_tag('form', $attributes);
$html .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'id', 'value'=> $choices->coursemoduleid));
$html .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'sesskey', 'value'=> sesskey()));
$html .= html_writer::empty_tag('input', array('type'=>'hidden', 'name'=>'mode', 'value'=>'overview'));
}
$table = new html_table();
$table->cellpadding = 0;
$table->cellspacing = 0;
$table->attributes['class'] = 'results names table table-bordered';
$table->tablealign = 'center';
$table->summary = get_string('responsesto', 'choice', format_string($choices->name));
$table->data = array();
$count = 0;
ksort($choices->options);
$columns = array();
$celldefault = new html_table_cell();
$celldefault->attributes['class'] = 'data';
// This extra cell is needed in order to support accessibility for screenreader. MDL-30816
$accessiblecell = new html_table_cell();
$accessiblecell->scope = 'row';
$accessiblecell->text = get_string('choiceoptions', 'choice');
$columns['options'][] = $accessiblecell;
$usernumberheader = clone($celldefault);
$usernumberheader->header = true;
$usernumberheader->attributes['class'] = 'header data';
$usernumberheader->text = get_string('numberofuser', 'choice');
$columns['usernumber'][] = $usernumberheader;
$optionsnames = [];
foreach ($choices->options as $optionid => $options) {
$celloption = clone($celldefault);
$cellusernumber = clone($celldefault);
$cellusernumber->style = 'text-align: center;';
$celltext = '';
if ($choices->showunanswered && $optionid == 0) {
$celltext = get_string('notanswered', 'choice');
} else if ($optionid > 0) {
$celltext = format_string($choices->options[$optionid]->text);
}
$numberofuser = 0;
if (!empty($options->user) && count($options->user) > 0) {
$numberofuser = count($options->user);
}
$celloption->text = $celltext;
$optionsnames[$optionid] = $celltext;
$cellusernumber->text = $numberofuser;
$columns['options'][] = $celloption;
$columns['usernumber'][] = $cellusernumber;
}
$table->head = $columns['options'];
$table->data[] = new html_table_row($columns['usernumber']);
$columns = array();
// This extra cell is needed in order to support accessibility for screenreader. MDL-30816
$accessiblecell = new html_table_cell();
$accessiblecell->text = get_string('userchoosethisoption', 'choice');
$accessiblecell->header = true;
$accessiblecell->scope = 'row';
$accessiblecell->attributes['class'] = 'header data';
$columns[] = $accessiblecell;
foreach ($choices->options as $optionid => $options) {
$cell = new html_table_cell();
$cell->attributes['class'] = 'data';
if ($choices->showunanswered || $optionid > 0) {
if (!empty($options->user)) {
$optionusers = '';
foreach ($options->user as $user) {
$data = '';
if (empty($user->imagealt)) {
$user->imagealt = '';
}
$userfullname = fullname($user, $choices->fullnamecapability);
$checkbox = '';
if ($choices->viewresponsecapability && $choices->deleterepsonsecapability) {
$checkboxid = 'attempt-user' . $user->id . '-option' . $optionid;
$checkbox .= html_writer::label($userfullname . ' ' . $optionsnames[$optionid],
$checkboxid, false, array('class' => 'accesshide'));
if ($optionid > 0) {
$checkboxname = 'attemptid[]';
$checkboxvalue = $user->answerid;
} else {
$checkboxname = 'userid[]';
$checkboxvalue = $user->id;
}
$checkbox .= html_writer::checkbox($checkboxname, $checkboxvalue, '', null,
array('id' => $checkboxid, 'class' => 'm-r-1'));
}
$userimage = $this->output->user_picture($user, array('courseid' => $choices->courseid, 'link' => false));
$profileurl = new moodle_url('/user/view.php', array('id' => $user->id, 'course' => $choices->courseid));
$profilelink = html_writer::link($profileurl, $userimage . $userfullname);
$data .= html_writer::div($checkbox . $profilelink, 'm-b-1');
$optionusers .= $data;
}
$cell->text = $optionusers;
}
}
$columns[] = $cell;
$count++;
}
$row = new html_table_row($columns);
$table->data[] = $row;
$html .= html_writer::tag('div', html_writer::table($table), array('class'=>'response'));
$actiondata = '';
if ($choices->viewresponsecapability && $choices->deleterepsonsecapability) {
$selecturl = new moodle_url('#');
$actiondata .= html_writer::start_div('selectallnone');
$actiondata .= html_writer::link($selecturl, get_string('selectall'), ['data-select-info' => true]) . ' / ';
$actiondata .= html_writer::link($selecturl, get_string('deselectall'), ['data-select-info' => false]);
$actiondata .= html_writer::end_div();
$actionurl = new moodle_url($PAGE->url, array('sesskey'=>sesskey(), 'action'=>'delete_confirmation()'));
$actionoptions = array('delete' => get_string('delete'));
foreach ($choices->options as $optionid => $option) {
if ($optionid > 0) {
$actionoptions['choose_'.$optionid] = get_string('chooseoption', 'choice', $option->text);
}
}
$select = new single_select($actionurl, 'action', $actionoptions, null,
array('' => get_string('chooseaction', 'choice')), 'attemptsform');
$select->set_label(get_string('withselected', 'choice'));
$PAGE->requires->js_call_amd('mod_choice/select_all_choices', 'init');
$actiondata .= $this->output->render($select);
}
$html .= html_writer::tag('div', $actiondata, array('class'=>'responseaction'));
if ($choices->viewresponsecapability) {
$html .= html_writer::end_tag('form');
}
return $html;
}
/**
* Returns HTML to display choices result
* @deprecated since 3.2
* @param object $choices
* @return string
*/
public function display_publish_anonymous_horizontal($choices) {
global $CHOICE_COLUMN_HEIGHT;
debugging(__FUNCTION__.'() is deprecated. Please use mod_choice_renderer::display_publish_anonymous() instead.',
DEBUG_DEVELOPER);
return $this->display_publish_anonymous($choices, CHOICE_DISPLAY_VERTICAL);
}
/**
* Returns HTML to display choices result
* @deprecated since 3.2
* @param object $choices
* @return string
*/
public function display_publish_anonymous_vertical($choices) {
global $CHOICE_COLUMN_WIDTH;
debugging(__FUNCTION__.'() is deprecated. Please use mod_choice_renderer::display_publish_anonymous() instead.',
DEBUG_DEVELOPER);
return $this->display_publish_anonymous($choices, CHOICE_DISPLAY_HORIZONTAL);
}
/**
* Generate the choice result chart.
*
* Can be displayed either in the vertical or horizontal position.
*
* @param stdClass $choices Choices responses object.
* @param int $displaylayout The constants DISPLAY_HORIZONTAL_LAYOUT or DISPLAY_VERTICAL_LAYOUT.
* @return string the rendered chart.
*/
public function display_publish_anonymous($choices, $displaylayout) {
global $OUTPUT;
$count = 0;
$data = [];
$numberofuser = 0;
$percentageamount = 0;
foreach ($choices->options as $optionid => $option) {
if (!empty($option->user)) {
$numberofuser = count($option->user);
}
if($choices->numberofuser > 0) {
$percentageamount = ((float)$numberofuser / (float)$choices->numberofuser) * 100.0;
}
$data['labels'][$count] = $option->text;
$data['series'][$count] = $numberofuser;
$data['series_labels'][$count] = $numberofuser . ' (' . format_float($percentageamount, 1) . '%)';
$count++;
$numberofuser = 0;
}
$chart = new \core\chart_bar();
if ($displaylayout == DISPLAY_HORIZONTAL_LAYOUT) {
$chart->set_horizontal(true);
}
$series = new \core\chart_series(format_string(get_string("responses", "choice")), $data['series']);
$series->set_labels($data['series_labels']);
$chart->add_series($series);
$chart->set_labels($data['labels']);
$yaxis = $chart->get_yaxis(0, true);
$yaxis->set_stepsize(max(1, round(max($data['series']) / 10)));
return $OUTPUT->render($chart);
}
}