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filter.php
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<?php
// $id$
//////////////////////////////////////////////////////////////
//
// This filter allows making calls to moodle.
//
//////////////////////////////////////////////////////////////
/// This is the filtering function itself. It accepts the
/// courseid and the text to be filtered (in HTML form).
/**
* The iena filter plugin transforms the moodle resource links
* into a button that opens the resource in a modal
*
* @package filter_iena
* @category filter
* @copyright 2018 Softia/Université lorraine
* @author vrignaud camille
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* filter_iena
*
*
* @package filter_iena
* @copyright 2018 Softia/Université lorraine
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class filter_iena extends moodle_text_filter
{
/* @var string This variable is used for delemiter */
public $start = "[IENA]";
/* @var string This variable is used for delemiter */
public $end = "[/IENA]";
/* @var string Contain button name, the button name is automatically the name of resource */
public $btn_name;
/** @var string Contain the type of button */
public $btn_type;
/** @var string Hex color of button is defined in settings ($CFG->color_btn) */
public $color_btn = "#009085";
/** @var string Hex color of button text is defined in settings ($CFG->color_btn_txt) */
public $color_btn_txt = "#ffffff";
/** @var string set empty, if the id does not exist then turn to "disabled" */
public $disabled = "";
/** @var string hide iframe nav and footer, admin setting */
public $iena_filter_iframe = true;
/**
* Get name and type of resource with the id
* Set the $btn_name and $btn_type
* Set $disabled (if $disabled is empty the button is active)
* @param array $id_btn
*
* @return void
*/
public function filter_iena_get_info($id_btn)
{
global $DB;
$this->btn_name = get_string('erreur_ressource', 'filter_iena');
$this->disabled = "";
$id_course_modules = $id_btn[0][0];
if ($id_course_modules) {
$requete = $DB->get_record_sql('SELECT * FROM {course_modules} WHERE id = ?', array($id_course_modules));
$id_instance = $requete->instance;
$id_module = $requete->module;
if ($id_module) {
$modules = $DB->get_record_sql('SELECT * FROM {modules} WHERE id = ?', array($id_module));
}
if ($modules->name) {
$instance = $DB->get_record_sql('SELECT * FROM {' . $modules->name . '} WHERE id = ?', array($id_instance));
}
if ($instance->name) {
$this->btn_name = $instance->name;
} else {
$this->disabled = "disabled";
}
$this->btn_type = $modules->name;
}
}
/**
* add $start and $end on each ressource link
* @param array $pieces
*
* @return array $pieces
*/
public function filter_iena_add_delimiters($pieces)
{
global $CFG;
for ($i = 1; $i < count($pieces); $i++) {
// If the link is in iframe then it is not tranformer
if ((strpos($pieces[$i], '</iframe>') !== false)) {
$pieces[$i] = $CFG->wwwroot . '/mod' . $pieces[$i];
continue;
}
if ((strpos($pieces[$i], '</a>') !== false)) {
$pieces[$i] = $CFG->wwwroot . '/mod' . $pieces[$i];
continue;
}
$pieces[$i] = $this->start . $CFG->wwwroot . '/mod' . $pieces[$i];
$temp = strpos($pieces[$i], "id=") + 3;
$nb_temp = '';
while (is_numeric($pieces[$i][$temp])) {
$nb_temp = $nb_temp . $pieces[$i][$temp];
$temp++;
}
$pieces[$i] = substr_replace($pieces[$i], $nb_temp . $this->end, strpos($pieces[$i], "id=") + 3, strlen($nb_temp));
$pieces[$i] = str_replace('&amp;iframe=true', '', $pieces[$i]);
$pieces[$i] = str_replace('&amp;iframe=false', '', $pieces[$i]);
$pieces[$i] = str_replace('&iframe=true', '', $pieces[$i]);
$pieces[$i] = str_replace('&iframe=false', '', $pieces[$i]);
}
return $pieces;
}
/**
* @param $text
* @param array $options
* @return string
*/
function filter($text, array $options = array())
{
global $CFG;
global $PAGE;
if ($CFG->color_btn) {
$this->color_btn = $CFG->color_btn;
}
if ($CFG->color_btn_txt) {
$this->color_btn_txt = $CFG->color_btn_txt;
}
$PAGE->requires->js('/filter/iena/js/jquery-3.3.1.min.js');
$PAGE->requires->js('/filter/iena/js/iena.js');
//We hide the menus and block if the iframe parameter is a true
if (isset($CFG->iena_filter_iframe)) {
$this->iena_filter_iframe = $CFG->iena_filter_iframe;
}
if (isset($_GET['iframe']) && $this->iena_filter_iframe == true) {
if ($_GET['iframe'] == 'true') {
$PAGE->requires->js('/filter/iena/js/iframe_true.js');
}
}
preg_match_all('/<a href="(.*?)">(.*?)<\/a>/s', $text, $matches);
for ($i = 0; $i < count($matches[0]); $i++) {
if (strcmp($matches[1][$i], $matches[2][$i]) == 0) {
$text = str_replace($matches[0][$i], $matches[1][$i], $text);
}
}
$pieces = explode($CFG->wwwroot . '/mod', $text);
$pieces = $this->filter_iena_add_delimiters($pieces);
for ($i = 0; $i < count($pieces); $i++) {
$pieces[$i] = ' ' . $pieces[$i];
$ini = strpos($pieces[$i], $this->start);
$ini += strlen($this->start);
if (strlen($pieces[$i]) <= $ini) {
continue;
}
$len = strpos($pieces[$i], $this->end, $ini) - $ini;
$parsed = substr($pieces[$i], $ini, $len);
/* calcul unique modale id for showing modale, based on module type (page, test, etc.) and module id */
$modal_id = $i; /* default */
$module_id = null;
preg_match('/id=([\d]+)*/', $pieces[$i], $module_id);
$module_type = "";
preg_match('/\/mod\/([^\/]+)\//', $pieces[$i], $module_type);
if (isset($module_id[1]) && isset($module_id[1])) {
$modal_id = $module_type[1] . $module_id[1];
}
preg_match_all('/id=[\d]*/', $parsed, $matches);
if ($matches[0]) {
preg_match_all('/[\d]+/', $matches[0][0], $id_btn);
}
if (isset($id_btn[0])) {
$this->filter_iena_get_info($id_btn);
}
// $PAGE->requires->js('/filter/iena/js/iena-filter-accessibility.js');
// $pieces[$i] = preg_replace("/(\\S+)\\[\/IENA\\]/", "<a class=\"sr-only\" target=\"_blank\" href=\"$parsed\">Ouvrir dans un nouvel onglet au lieu d'utiliser la modale : $this->btn_name.</a><button id=\"iena-modal-btn-" . $i . "\" type=\"button\" " . $this->disabled . " "
// . "class=\"btn iena-filter-modal-btn \" data-toggle=\"modal\" data-target=\"#iena-modal-" . $i . "\" style=\"background-color : " . $this->color_btn . "; "
// . "color : $this->color_btn_txt;border-radius:0.15rem;\">"
// . "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">"
// . "" . $this->btn_name . " </button>"
// . "<div class=\"modal fade iena-filter-modal\" id=\"iena-modal-" . $i . "\" tabindex=\"-1\" "
// . "role=\"dialog\" aria-labelledby=\"#iena-modal-btn-" . $i . "\" aria-hidden=\"true\">"
// . "<div class=\"modal-dialog\" role=\"document\">"
// . "<button type=\"button\" class=\"close\" data-dismiss=\"modal\" onclick=\"$('#iena-modal-" . $i . "').modal('hide');\"><span class=\"sr-only\">Fermer la modale</span><span aria-hidden=\"true\">&times;</span></button>"
// . "<iframe src=\"" . $parsed . "&iframe=true\" frameborder=\"0\" allowfullscreen></iframe>"
// . "</div>"
// . "</div>"
// , $pieces[$i]);
$pieces[$i] = preg_replace("/(\\S+)\\[\/IENA\\]/",
"<div>"
. "<a class=\"sr-only\" target=\"_blank\" href=\"$parsed\">Ouvrir dans un nouvel onglet au lieu d'utiliser la modale : $this->btn_name.</a><button data-iframe=\"" .$parsed. "&iframe=true\" type=\"button\" " . $this->disabled . " "
. "class=\"btn iena-filter-modal-btn \" data-toggle=\"modal\" data-target=\"#iena-modal-" . $modal_id . "\" style=\"background-color : " . $this->color_btn . "; "
. "color : $this->color_btn_txt;border-radius:0.15rem;\">"
. "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">"
. "" . $this->btn_name . " </button>"
. "<div class=\"modal fade iena-filter-modal\" id=\"iena-modal-" . $modal_id . "\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"#iena-modal-btn-" . $modal_id . "\" aria-hidden=\"true\">"
. "<div class=\"modal-dialog\" role=\"document\">"
. '<div class="modal-content">'
. '<div class="modal-header">'
. '<h5 class="modal-title" id="iena-modal-btn-'.$modal_id.'">'.$this->btn_name.'</h5>'
. '<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>'
. "</div>"
. '<div class="modal-body">'
// . "<iframe src=\"" . $parsed . "&iframe=true\" frameborder=\"0\" allowfullscreen></iframe>"
. "<iframe src=\"\" frameborder=\"0\" allowfullscreen></iframe>"
. "</div>"
. "</div>"
. "</div>"
. "</div>"
. "</div>"
, $pieces[$i]);
}
return implode($pieces);
}
}
// $pieces[$i] = preg_replace("/(\\S+)\\[\/IENA\\]/", "<button id=\"iena-modal-btn-" . $i . "\" type=\"button\" " . $this->disabled . " "
// . "class=\"btn \" data-toggle=\"modal\" data-target=\"#iena-modal-" . $i . "\" style=\"background-color : " . $this->color_btn . "; "
// . "color : $this->color_btn_txt;border-radius:0.15rem;\">"
// . "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">"
// . "" . $this->btn_name . " </button>"
// . "<div class=\"modal fade iena-filter-modal\" id=\"iena-modal-" . $i . "\" tabindex=\"-1\" "
// . "role=\"dialog\" aria-labelledby=\"#iena-modal-btn-" . $i . "\" aria-hidden=\"true\">"
// . "<div role=\"document\" class=\"modal-dialog modal-lg\">"
// . "<div class=\"modal-content\" id=\"iena-modal-content\" >"
// . "<div class=\"modal-header\">"
// . "<button type=\"button\" class=\"close\" data-dismiss=\"modal\">&times;</button>"
// . "<h4 class=\"modal-title\">"
// . "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">" . $this->btn_name . "</h4>"
// . "</div>"
// . "<div class=\"modal-body\" id=\"iena-modal-body\">"
// . "<iframe width=\"100%\" height=\"85vh\" src=\"" . $parsed . "&iframe=true\" frameborder=\"0\" allowfullscreen></iframe>"
// . "</div>"
// . "</div>"
// . "</div>"
// . "</div>"
<?php
// $id$
//////////////////////////////////////////////////////////////
//
// This filter allows making calls to moodle.
//
//////////////////////////////////////////////////////////////
/// This is the filtering function itself. It accepts the
/// courseid and the text to be filtered (in HTML form).
/**
* The iena filter plugin transforms the moodle resource links
* into a button that opens the resource in a modal
*
* @package filter_iena
* @category filter
* @copyright 2018 Softia/Université lorraine
* @author vrignaud camille
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* filter_iena
*
*
* @package filter_iena
* @copyright 2018 Softia/Université lorraine
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class filter_iena extends moodle_text_filter
{
/* @var string This variable is used for delemiter */
public $start = "[IENA]";
/* @var string This variable is used for delemiter */
public $end = "[/IENA]";
/* @var string Contain button name, the button name is automatically the name of resource */
public $btn_name;
/** @var string Contain the type of button */
public $btn_type;
/** @var string Hex color of button is defined in settings ($CFG->color_btn) */
public $color_btn = "#009085";
/** @var string Hex color of button text is defined in settings ($CFG->color_btn_txt) */
public $color_btn_txt = "#ffffff";
/** @var string set empty, if the id does not exist then turn to "disabled" */
public $disabled = "";
/** @var string hide iframe nav and footer, admin setting */
public $iena_filter_iframe = true;
/**
* Get name and type of resource with the id
* Set the $btn_name and $btn_type
* Set $disabled (if $disabled is empty the button is active)
* @param array $id_btn
*
* @return void
*/
public function filter_iena_get_info($id_btn)
{
global $DB;
$this->btn_name = get_string('erreur_ressource', 'filter_iena');
$this->disabled = "";
$id_course_modules = $id_btn[0][0];
if ($id_course_modules) {
$requete = $DB->get_record_sql('SELECT * FROM {course_modules} WHERE id = ?', array($id_course_modules));
$id_instance = $requete->instance;
$id_module = $requete->module;
if ($id_module) {
$modules = $DB->get_record_sql('SELECT * FROM {modules} WHERE id = ?', array($id_module));
}
if ($modules->name) {
$instance = $DB->get_record_sql('SELECT * FROM {' . $modules->name . '} WHERE id = ?', array($id_instance));
}
if ($instance->name) {
$this->btn_name = $instance->name;
} else {
$this->disabled = "disabled";
}
$this->btn_type = $modules->name;
}
}
/**
* add $start and $end on each ressource link
* @param array $pieces
*
* @return array $pieces
*/
public function filter_iena_add_delimiters($pieces)
{
global $CFG;
for ($i = 1; $i < count($pieces); $i++) {
// If the link is in iframe then it is not tranformer
if ((strpos($pieces[$i], '</iframe>') !== false)) {
$pieces[$i] = $CFG->wwwroot . '/mod' . $pieces[$i];
continue;
}
if ((strpos($pieces[$i], '</a>') !== false)) {
$pieces[$i] = $CFG->wwwroot . '/mod' . $pieces[$i];
continue;
}
$pieces[$i] = $this->start . $CFG->wwwroot . '/mod' . $pieces[$i];
$temp = strpos($pieces[$i], "id=") + 3;
$nb_temp = '';
while (is_numeric($pieces[$i][$temp])) {
$nb_temp = $nb_temp . $pieces[$i][$temp];
$temp++;
}
$pieces[$i] = substr_replace($pieces[$i], $nb_temp . $this->end, strpos($pieces[$i], "id=") + 3, strlen($nb_temp));
$pieces[$i] = str_replace('&amp;iframe=true', '', $pieces[$i]);
$pieces[$i] = str_replace('&amp;iframe=false', '', $pieces[$i]);
$pieces[$i] = str_replace('&iframe=true', '', $pieces[$i]);
$pieces[$i] = str_replace('&iframe=false', '', $pieces[$i]);
}
return $pieces;
}
/**
* @param $text
* @param array $options
* @return string
*
* Transform code for links into code for pop-up buttons
*/
function filter($text, array $options = array())
{
global $CFG;
global $PAGE;
// Apply context style to buttons
if ($CFG->color_btn) {
$this->color_btn = $CFG->color_btn;
}
if ($CFG->color_btn_txt) {
$this->color_btn_txt = $CFG->color_btn_txt;
}
$PAGE->requires->js('/filter/iena/js/jquery-3.3.1.min.js');
$PAGE->requires->js('/filter/iena/js/iena.js');
//We hide the menus and block if the iframe parameter is a true
if (isset($CFG->iena_filter_iframe)) {
$this->iena_filter_iframe = $CFG->iena_filter_iframe;
}
if (isset($_GET['iframe']) && $this->iena_filter_iframe == true) {
if ($_GET['iframe'] == 'true') {
$PAGE->requires->js('/filter/iena/js/iframe_true.js');
}
}
// Looks for link(s) in the argument text and place them in the array named
// matches
preg_match_all('/<a href="(.*?)">(.*?)<\/a>/s', $text, $matches);
// ? remove tags opening links in new tab from $text ?
for ($i = 0; $i < count($matches[0]); $i++) {
if (strcmp($matches[1][$i], $matches[2][$i]) == 0) {
$text = str_replace($matches[0][$i], $matches[1][$i], $text);
}
}
// ? add start and end tags around links in $text ?
$pieces = explode($CFG->wwwroot . '/mod', $text);
$pieces = $this->filter_iena_add_delimiters($pieces);
// Each link is replaced by a button with a relevant name, link and ID
// The corresponding iframe is also inserted
for ($i = 0; $i < count($pieces); $i++) {
$pieces[$i] = ' ' . $pieces[$i];
$ini = strpos($pieces[$i], $this->start);
$ini += strlen($this->start);
if (strlen($pieces[$i]) <= $ini) {
continue;
}
$len = strpos($pieces[$i], $this->end, $ini) - $ini;
$parsed = substr($pieces[$i], $ini, $len);
/* calcul unique modale id for showing modale, based on module type (page, test, etc.) and module id */
$modal_id = $i; /* default */
$module_id = null;
preg_match('/id=([\d]+)*/', $pieces[$i], $module_id);
$module_type = "";
preg_match('/\/mod\/([^\/]+)\//', $pieces[$i], $module_type);
if (isset($module_id[1]) && isset($module_id[1])) {
$modal_id = $module_type[1] . $module_id[1];
}
preg_match_all('/id=[\d]*/', $parsed, $matches);
if ($matches[0]) {
preg_match_all('/[\d]+/', $matches[0][0], $id_btn);
}
if (isset($id_btn[0])) {
$this->filter_iena_get_info($id_btn);
}
// $PAGE->requires->js('/filter/iena/js/iena-filter-accessibility.js');
// $pieces[$i] = preg_replace("/(\\S+)\\[\/IENA\\]/", "<a class=\"sr-only\" target=\"_blank\" href=\"$parsed\">Ouvrir dans un nouvel onglet au lieu d'utiliser la modale : $this->btn_name.</a><button id=\"iena-modal-btn-" . $i . "\" type=\"button\" " . $this->disabled . " "
// . "class=\"btn iena-filter-modal-btn \" data-toggle=\"modal\" data-target=\"#iena-modal-" . $i . "\" style=\"background-color : " . $this->color_btn . "; "
// . "color : $this->color_btn_txt;border-radius:0.15rem;\">"
// . "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">"
// . "" . $this->btn_name . " </button>"
// . "<div class=\"modal fade iena-filter-modal\" id=\"iena-modal-" . $i . "\" tabindex=\"-1\" "
// . "role=\"dialog\" aria-labelledby=\"#iena-modal-btn-" . $i . "\" aria-hidden=\"true\">"
// . "<div class=\"modal-dialog\" role=\"document\">"
// . "<button type=\"button\" class=\"close\" data-dismiss=\"modal\" onclick=\"$('#iena-modal-" . $i . "').modal('hide');\"><span class=\"sr-only\">Fermer la modale</span><span aria-hidden=\"true\">&times;</span></button>"
// . "<iframe src=\"" . $parsed . "&iframe=true\" frameborder=\"0\" allowfullscreen></iframe>"
// . "</div>"
// . "</div>"
// , $pieces[$i]);
$pieces[$i] = preg_replace("/(\\S+)\\[\/IENA\\]/",
"<div>"
. "<a class=\"sr-only\" target=\"_blank\" href=\"$parsed\">Ouvrir dans un nouvel onglet au lieu d'utiliser la modale : $this->btn_name.</a><button data-iframe=\"" .$parsed. "&iframe=true\" type=\"button\" " . $this->disabled . " "
. "class=\"btn iena-filter-modal-btn \" data-toggle=\"modal\" data-target=\"#iena-modal-" . $modal_id . "\" style=\"background-color : " . $this->color_btn . "; "
. "color : $this->color_btn_txt;border-radius:0.15rem;\">"
. "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">"
. "" . $this->btn_name . " </button>"
. "<div class=\"modal fade iena-filter-modal\" id=\"iena-modal-" . $modal_id . "\" tabindex=\"-1\" role=\"dialog\" aria-labelledby=\"#iena-modal-btn-" . $modal_id . "\" aria-hidden=\"true\">"
. "<div class=\"modal-dialog\" role=\"document\">"
. '<div class="modal-content">'
. '<div class="modal-header">'
. '<h5 class="modal-title" id="iena-modal-btn-'.$modal_id.'">'.$this->btn_name.'</h5>'
. '<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">&times;</span>
</button>'
. "</div>"
. '<div class="modal-body">'
// . "<iframe src=\"" . $parsed . "&iframe=true\" frameborder=\"0\" allowfullscreen></iframe>"
. "<iframe src=\"\" frameborder=\"0\" allowfullscreen></iframe>"
. "</div>"
. "</div>"
. "</div>"
. "</div>"
. "</div>"
, $pieces[$i]);
}
return implode($pieces);
}
}
// $pieces[$i] = preg_replace("/(\\S+)\\[\/IENA\\]/", "<button id=\"iena-modal-btn-" . $i . "\" type=\"button\" " . $this->disabled . " "
// . "class=\"btn \" data-toggle=\"modal\" data-target=\"#iena-modal-" . $i . "\" style=\"background-color : " . $this->color_btn . "; "
// . "color : $this->color_btn_txt;border-radius:0.15rem;\">"
// . "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">"
// . "" . $this->btn_name . " </button>"
// . "<div class=\"modal fade iena-filter-modal\" id=\"iena-modal-" . $i . "\" tabindex=\"-1\" "
// . "role=\"dialog\" aria-labelledby=\"#iena-modal-btn-" . $i . "\" aria-hidden=\"true\">"
// . "<div role=\"document\" class=\"modal-dialog modal-lg\">"
// . "<div class=\"modal-content\" id=\"iena-modal-content\" >"
// . "<div class=\"modal-header\">"
// . "<button type=\"button\" class=\"close\" data-dismiss=\"modal\">&times;</button>"
// . "<h4 class=\"modal-title\">"
// . "<img class=\"icon icon\" alt=\"\" src=\"" . $CFG->wwwroot . "/theme/image.php/boost/" . $this->btn_type . "/1/icon\">" . $this->btn_name . "</h4>"
// . "</div>"
// . "<div class=\"modal-body\" id=\"iena-modal-body\">"
// . "<iframe width=\"100%\" height=\"85vh\" src=\"" . $parsed . "&iframe=true\" frameborder=\"0\" allowfullscreen></iframe>"
// . "</div>"
// . "</div>"
// . "</div>"
// . "</div>"
// , $pieces[$i]);
\ No newline at end of file