Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/display.lib.php

2720 lines
88 KiB

<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Entity\ExtraField;
use Chamilo\CoreBundle\Framework\Container;
use ChamiloSession as Session;
use Symfony\Component\HttpFoundation\Response;
/**
* Class Display
* Contains several public functions dealing with the display of
* table data, messages, help topics, ...
*
* Include/require it in your code to use its public functionality.
* There are also several display public functions in the main api library.
*
* All public functions static public functions inside a class called Display,
* so you use them like this: e.g.
* Display::return_message($message)
*
* @package chamilo.library
*/
class Display
{
/** @var Template */
public static $global_template;
public static $preview_style = null;
/**
* Constructor.
*/
public function __construct()
{
}
/**
* @return array
*/
public static function toolList()
{
return [
'group',
'work',
'glossary',
'forum',
'course_description',
'gradebook',
'attendance',
'course_progress',
'notebook',
];
}
/**
* Displays the page header.
*
* @param string The name of the page (will be showed in the page title)
* @param string Optional help file name
* @param string $page_header
*/
public static function display_header(
$tool_name = '',
$help = null,
$page_header = null
) {
ob_start();
return true;
$origin = api_get_origin();
$showHeader = true;
if (isset($origin) && $origin == 'learnpath') {
$showHeader = false;
}
self::$global_template = new Template($tool_name, $showHeader, $showHeader);
// Fixing tools with any help it takes xxx part of main/xxx/index.php
if (empty($help)) {
$currentURL = api_get_self();
preg_match('/main\/([^*\/]+)/', $currentURL, $matches);
$toolList = self::toolList();
if (!empty($matches)) {
foreach ($matches as $match) {
if (in_array($match, $toolList)) {
$help = explode('_', $match);
$help = array_map('ucfirst', $help);
$help = implode('', $help);
break;
}
}
}
}
self::$global_template->setHelp($help);
if (!empty(self::$preview_style)) {
self::$global_template->preview_theme = self::$preview_style;
self::$global_template->set_system_parameters();
self::$global_template->setCssFiles();
self::$global_template->set_js_files();
self::$global_template->setCssCustomFiles();
}
if (!empty($page_header)) {
self::$global_template->assign('header', $page_header);
}
echo self::$global_template->show_header_template();
}
/**
* Displays the reduced page header (without banner).
*/
public static function display_reduced_header()
{
global $show_learnpath, $tool_name;
self::$global_template = new Template(
$tool_name,
false,
false,
$show_learnpath
);
echo self::$global_template->show_header_template();
}
/**
* Display no header.
*/
public static function display_no_header()
{
global $tool_name, $show_learnpath;
$disable_js_and_css_files = true;
self::$global_template = new Template(
$tool_name,
false,
false,
$show_learnpath
);
}
/**
* Display the page footer.
*/
public static function display_footer()
{
$contents = ob_get_contents();
ob_end_clean();
$tpl = '@ChamiloTheme/Layout/layout_one_col.html.twig';
$response = new Response();
$params['content'] = $contents;
global $interbreadcrumb, $htmlHeadXtra;
$params['legacy_javascript'] = $htmlHeadXtra;
$params['legacy_breadcrumb'] = $interbreadcrumb;
$flash = Display::getFlashToString();
Display::cleanFlashMessages();
$params['flash_messages'] = $flash;
$content = Container::getTemplating()->render($tpl, $params);
$response->setContent($content);
$response->send();
exit;
}
/**
* Display the page footer.
*/
public static function display_reduced_footer()
{
echo self::$global_template->show_footer_js_template();
echo '</body></html>';
}
/**
* Displays the tool introduction of a tool.
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
*
* @param string $tool these are the constants that are used for indicating the tools
* @param array $editor_config Optional configuration settings for the online editor.
* return: $tool return a string array list with the "define" in main_api.lib
*
* @return string html code for adding an introduction
*/
public static function display_introduction_section(
$tool,
$editor_config = null
) {
echo self::return_introduction_section($tool, $editor_config);
}
/**
* @param string $tool
* @param array $editor_config
*/
public static function return_introduction_section(
$tool,
$editor_config = null
) {
$moduleId = $tool;
if (api_get_setting('enable_tool_introduction') == 'true' || $tool == TOOL_COURSE_HOMEPAGE) {
$introduction_section = null;
require api_get_path(SYS_INC_PATH).'introductionSection.inc.php';
return $introduction_section;
}
}
/**
* Displays a table.
*
* @param array $header Titles for the table header
* each item in this array can contain 3 values
* - 1st element: the column title
* - 2nd element: true or false (column sortable?)
* - 3th element: additional attributes for
* th-tag (eg for column-width)
* - 4the element: additional attributes for the td-tags
* @param array $content 2D-array with the tables content
* @param array $sorting_options Keys are:
* 'column' = The column to use as sort-key
* 'direction' = SORT_ASC or SORT_DESC
* @param array $paging_options Keys are:
* 'per_page_default' = items per page when switching from
* full- list to per-page-view
* 'per_page' = number of items to show per page
* 'page_nr' = The page to display
* @param array $query_vars Additional variables to add in the query-string
* @param string The style that the table will show. You can set 'table' or 'grid'
*
* @author bart.mollet@hogent.be
*/
public static function display_sortable_table(
$header,
$content,
$sorting_options = [],
$paging_options = [],
$query_vars = null,
$form_actions = [],
$style = 'table'
) {
$column = isset($sorting_options['column']) ? $sorting_options['column'] : 0;
$default_items_per_page = isset($paging_options['per_page']) ? $paging_options['per_page'] : 20;
$table = new SortableTableFromArray($content, $column, $default_items_per_page);
if (is_array($query_vars)) {
$table->set_additional_parameters($query_vars);
}
if ($style == 'table') {
if (is_array($header) && count($header) > 0) {
foreach ($header as $index => $header_item) {
$table->set_header(
$index,
isset($header_item[0]) ? $header_item[0] : null,
isset($header_item[1]) ? $header_item[1] : null,
isset($header_item[2]) ? $header_item[2] : null,
isset($header_item[3]) ? $header_item[3] : null
);
}
}
$table->set_form_actions($form_actions);
$table->display();
} else {
$table->display_grid();
}
}
/**
* Returns an HTML table with sortable column (through complete page refresh).
*
* @param array $header
* @param array $content Array of row arrays
* @param array $sorting_options
* @param array $paging_options
* @param array $query_vars
* @param array $form_actions
* @param string $style
*
* @return string HTML string for array
*/
public static function return_sortable_table(
$header,
$content,
$sorting_options = [],
$paging_options = [],
$query_vars = null,
$form_actions = [],
$style = 'table'
) {
ob_start();
self::display_sortable_table(
$header,
$content,
$sorting_options,
$paging_options,
$query_vars,
$form_actions,
$style
);
$content = ob_get_contents();
ob_end_clean();
return $content;
}
/**
* Shows a nice grid.
*
* @param string grid name (important to create css)
* @param array header content
* @param array array with the information to show
* @param array $paging_options Keys are:
* 'per_page_default' = items per page when switching from
* full- list to per-page-view
* 'per_page' = number of items to show per page
* 'page_nr' = The page to display
* 'hide_navigation' = true to hide the navigation
* @param array $query_vars Additional variables to add in the query-string
* @param array $form actions Additional variables to add in the query-string
* @param mixed An array with bool values to know which columns show.
* i.e: $visibility_options= array(true, false) we will only show the first column
* Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
*/
public static function display_sortable_grid(
$name,
$header,
$content,
$paging_options = [],
$query_vars = null,
$form_actions = [],
$visibility_options = true,
$sort_data = true,
$grid_class = []
) {
echo self::return_sortable_grid(
$name,
$header,
$content,
$paging_options,
$query_vars,
$form_actions,
$visibility_options,
$sort_data,
$grid_class
);
}
/**
* Gets a nice grid in html string.
*
* @param string grid name (important to create css)
* @param array header content
* @param array array with the information to show
* @param array $paging_options Keys are:
* 'per_page_default' = items per page when switching from
* full- list to per-page-view
* 'per_page' = number of items to show per page
* 'page_nr' = The page to display
* 'hide_navigation' = true to hide the navigation
* @param array $query_vars Additional variables to add in the query-string
* @param array $form actions Additional variables to add in the query-string
* @param mixed An array with bool values to know which columns show. i.e:
* $visibility_options= array(true, false) we will only show the first column
* Can be also only a bool value. TRUE: show all columns, FALSE: show nothing
* @param bool true for sorting data or false otherwise
* @param array grid classes
*
* @return string html grid
*/
public static function return_sortable_grid(
$name,
$header,
$content,
$paging_options = [],
$query_vars = null,
$form_actions = [],
$visibility_options = true,
$sort_data = true,
$grid_class = [],
$elementCount = 0
) {
$column = 0;
$default_items_per_page = isset($paging_options['per_page']) ? $paging_options['per_page'] : 20;
$table = new SortableTableFromArray($content, $column, $default_items_per_page, $name);
$table->total_number_of_items = intval($elementCount);
if (is_array($query_vars)) {
$table->set_additional_parameters($query_vars);
}
return $table->display_simple_grid(
$visibility_options,
$paging_options['hide_navigation'],
$default_items_per_page,
$sort_data,
$grid_class
);
}
/**
* Displays a table with a special configuration.
*
* @param array $header Titles for the table header
* each item in this array can contain 3 values
* - 1st element: the column title
* - 2nd element: true or false (column sortable?)
* - 3th element: additional attributes for th-tag (eg for column-width)
* - 4the element: additional attributes for the td-tags
* @param array $content 2D-array with the tables content
* @param array $sorting_options Keys are:
* 'column' = The column to use as sort-key
* 'direction' = SORT_ASC or SORT_DESC
* @param array $paging_options Keys are:
* 'per_page_default' = items per page when switching from full list to per-page-view
* 'per_page' = number of items to show per page
* 'page_nr' = The page to display
* @param array $query_vars Additional variables to add in the query-string
* @param array $column_show Array of binaries 1= show columns 0. hide a column
* @param array $column_order An array of integers that let us decide how the columns are going to be sort.
* i.e: $column_order=array('1''4','3','4'); The 2nd column will be order like the
* 4th column
* @param array $form_actions Set optional forms actions
*
* @author Julio Montoya
*/
public static function display_sortable_config_table(
$table_name,
$header,
$content,
$sorting_options = [],
$paging_options = [],
$query_vars = null,
$column_show = [],
$column_order = [],
$form_actions = []
) {
$column = isset($sorting_options['column']) ? $sorting_options['column'] : 0;
$default_items_per_page = isset($paging_options['per_page']) ? $paging_options['per_page'] : 20;
$table = new SortableTableFromArrayConfig(
$content,
$column,
$default_items_per_page,
$table_name,
$column_show,
$column_order
);
if (is_array($query_vars)) {
$table->set_additional_parameters($query_vars);
}
// Show or hide the columns header
if (is_array($column_show)) {
for ($i = 0; $i < count($column_show); $i++) {
if (!empty($column_show[$i])) {
$val0 = isset($header[$i][0]) ? $header[$i][0] : null;
$val1 = isset($header[$i][1]) ? $header[$i][1] : null;
$val2 = isset($header[$i][2]) ? $header[$i][2] : null;
$val3 = isset($header[$i][3]) ? $header[$i][3] : null;
$table->set_header($i, $val0, $val1, $val2, $val3);
}
}
}
$table->set_form_actions($form_actions);
$table->display();
}
/**
* Displays a normal message. It is recommended to use this public function
* to display any normal information messages.
*
* @param string $message
* @param bool $filter (true) or not (false)
* @param bool $returnValue
*
* @deprecated Use <code>Display::addFlash(Display::return_message($message, 'normal'));</code>
* Or <code>echo Display::return_message($message, 'normal')</code>
*/
public static function display_normal_message(
$message,
$filter = true,
$returnValue = false
) {
$message = self::return_message($message, 'normal', $filter);
if ($returnValue) {
return $message;
} else {
echo $message;
}
}
/**
* Displays an warning message. Use this if you want to draw attention to something
* This can also be used for instance with the hint in the exercises.
*
* @deprecated use Display::addFlash(Display::return_message($message, 'warning'));
*/
public static function display_warning_message(
$message,
$filter = true,
$returnValue = false
) {
$message = self::return_message($message, 'warning', $filter);
if ($returnValue) {
return $message;
} else {
echo $message;
}
}
/**
* Displays an confirmation message. Use this if something has been done successfully.
*
* @param bool Filter (true) or not (false)
*
* @deprecated use Display::addFlash(Display::return_message($message, 'confirm'));
*/
public static function display_confirmation_message(
$message,
$filter = true,
$returnValue = false
) {
$message = self::return_message($message, 'confirm', $filter);
if ($returnValue) {
return $message;
} else {
echo $message;
}
}
/**
* Displays an error message. It is recommended to use this public function if an error occurs.
*
* @param string $message - include any additional html
* tags if you need them
* @param bool Filter (true) or not (false)
*
* @deprecated use Display::addFlash(Display::return_message($message, 'error'));
*/
public static function display_error_message(
$message,
$filter = true,
$returnValue = false
) {
$message = self::return_message($message, 'error', $filter);
if ($returnValue) {
return $message;
} else {
echo $message;
}
}
/**
* @param string $message
* @param string $type
* @param bool $filter
*/
public static function return_message_and_translate(
$message,
$type = 'normal',
$filter = true
) {
$message = get_lang($message);
echo self::return_message($message, $type, $filter);
}
/**
* Returns a div html string with.
*
* @param string $message
* @param string $type Example: confirm, normal, warning, error
* @param bool $filter Whether to XSS-filter or not
*
* @return string Message wrapped into an HTML div
*/
public static function return_message(
$message,
$type = 'normal',
$filter = true
) {
if (empty($message)) {
return '';
}
if ($filter) {
$message = api_htmlentities(
$message,
ENT_QUOTES,
api_is_xml_http_request() ? 'UTF-8' : api_get_system_encoding()
);
}
$class = '';
switch ($type) {
case 'warning':
$class .= 'alert alert-warning';
break;
case 'error':
$class .= 'alert alert-danger';
break;
case 'confirmation':
case 'confirm':
case 'success':
$class .= 'alert alert-success';
break;
case 'normal':
default:
$class .= 'alert alert-info';
}
return self::div($message, ['class' => $class]);
}
/**
* Returns an encrypted mailto hyperlink.
*
* @param string e-mail
* @param string clickable text
* @param string optional, class from stylesheet
*
* @return string encrypted mailto hyperlink
*/
public static function encrypted_mailto_link(
$email,
$clickable_text = null,
$style_class = ''
) {
if (is_null($clickable_text)) {
$clickable_text = $email;
}
// "mailto:" already present?
if (substr($email, 0, 7) != 'mailto:') {
$email = 'mailto:'.$email;
}
// Class (stylesheet) defined?
if ($style_class != '') {
$style_class = ' class="'.$style_class.'"';
}
// Encrypt email
$hmail = '';
for ($i = 0; $i < strlen($email); $i++) {
$hmail .= '&#'.ord($email[
$i]).';';
}
$hclickable_text = null;
// Encrypt clickable text if @ is present
if (strpos($clickable_text, '@')) {
for ($i = 0; $i < strlen($clickable_text); $i++) {
$hclickable_text .= '&#'.ord($clickable_text[
$i]).';';
}
} else {
$hclickable_text = @htmlspecialchars(
$clickable_text,
ENT_QUOTES,
api_get_system_encoding()
);
}
// Return encrypted mailto hyperlink
return '<a href="'.$hmail.'"'.$style_class.' class="clickable_email_link">'.$hclickable_text.'</a>';
}
/**
* Returns an mailto icon hyperlink.
*
* @param string e-mail
* @param string icon source file from the icon lib
* @param int icon size from icon lib
* @param string optional, class from stylesheet
*
* @return string encrypted mailto hyperlink
*/
public static function icon_mailto_link(
$email,
$icon_file = "mail.png",
$icon_size = 22,
$style_class = ''
) {
// "mailto:" already present?
if (substr($email, 0, 7) != 'mailto:') {
$email = 'mailto:'.$email;
}
// Class (stylesheet) defined?
if ($style_class != '') {
$style_class = ' class="'.$style_class.'"';
}
// Encrypt email
$hmail = '';
for ($i = 0; $i < strlen($email); $i++) {
$hmail .= '&#'.ord($email[
$i]).';';
}
// icon html code
$icon_html_source = self::return_icon(
$icon_file,
$hmail,
'',
$icon_size
);
// Return encrypted mailto hyperlink
return '<a href="'.$hmail.'"'.$style_class.' class="clickable_email_link">'.$icon_html_source.'</a>';
}
/**
* Prints an <option>-list with all letters (A-Z).
*
* @param string $selected_letter The letter that should be selected
*
* @todo This is English language specific implementation.
* It should be adapted for the other languages.
*
* @return string
*/
public static function get_alphabet_options($selectedLetter = '')
{
$result = '';
for ($i = 65; $i <= 90; $i++) {
$letter = chr($i);
$result .= '<option value="'.$letter.'"';
if ($selectedLetter == $letter) {
$result .= ' selected="selected"';
}
$result .= '>'.$letter.'</option>';
}
return $result;
}
/**
* Get the options withing a select box within the given values.
*
* @param int Min value
* @param int Max value
* @param int Default value
*
* @return string HTML select options
*/
public static function get_numeric_options($min, $max, $selected_num = 0)
{
$result = '';
for ($i = $min; $i <= $max; $i++) {
$result .= '<option value="'.$i.'"';
if (is_int($selected_num)) {
if ($selected_num == $i) {
$result .= ' selected="selected"';
}
}
$result .= '>'.$i.'</option>';
}
return $result;
}
/**
* This public function displays an icon.
*
* @param string The filename of the file (in the main/img/ folder
* @param string The alt text (probably a language variable)
* @param array additional attributes (for instance height, width, onclick, ...)
* @param int The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
*/
public static function display_icon(
$image,
$alt_text = '',
$additional_attributes = [],
$size = null
) {
echo self::return_icon($image, $alt_text, $additional_attributes, $size);
}
/**
* Gets the path of an icon.
*
* @param string $icon
* @param int $size
*
* @return string
*/
public static function returnIconPath($icon, $size = ICON_SIZE_SMALL)
{
return self::return_icon($icon, null, null, $size, null, true, false);
}
/**
* This public function returns the htmlcode for an icon.
*
* @param string The filename of the file (in the main/img/ folder
* @param string The alt text (probably a language variable)
* @param array Additional attributes (for instance height, width, onclick, ...)
* @param int The wanted width of the icon (to be looked for in the corresponding img/icons/ folder)
*
* @return string An HTML string of the right <img> tag
*
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University 2006
* @author Julio Montoya 2010 Function improved, adding image constants
* @author Yannick Warnier 2011 Added size handler
*
* @version Feb 2011
*/
public static function return_icon(
$image,
$alt_text = '',
$additional_attributes = [],
$size = ICON_SIZE_SMALL,
$show_text = true,
$return_only_path = false,
$loadThemeIcon = true
) {
$code_path = api_get_path(SYS_PUBLIC_PATH);
$w_code_path = api_get_path(WEB_PUBLIC_PATH);
// The following path is checked to see if the file exist. It's
// important to use the public path (i.e. web/css/) rather than the
// internal path (/app/Resource/public/css/) because the path used
// in the end must be the public path
$alternateCssPath = api_get_path(SYS_PUBLIC_PATH).'css/';
$alternateWebCssPath = api_get_path(WEB_PUBLIC_PATH).'css/';
// Avoid issues with illegal string offset for legacy calls to this
// method with an empty string rather than null or an empty array
if (empty($additional_attributes)) {
$additional_attributes = [];
}
$image = trim($image);
if (isset($size)) {
$size = intval($size);
} else {
$size = ICON_SIZE_SMALL;
}
$size_extra = $size.'/';
$icon = $w_code_path.'img/'.$image;
$theme = 'themes/chamilo/icons/';
if ($loadThemeIcon) {
// @todo with chamilo 2 code
$theme = 'themes/'.api_get_visual_theme().'/icons/';
if (is_file($alternateCssPath.$theme.$image)) {
$icon = $alternateWebCssPath.$theme.$image;
}
// Checking the theme icons folder example: app/Resources/public/css/themes/chamilo/icons/XXX
if (is_file($alternateCssPath.$theme.$size_extra.$image)) {
$icon = $alternateWebCssPath.$theme.$size_extra.$image;
} elseif (is_file($code_path.'img/icons/'.$size_extra.$image)) {
//Checking the main/img/icons/XXX/ folder
$icon = $w_code_path.'img/icons/'.$size_extra.$image;
}
} else {
if (is_file($code_path.'img/icons/'.$size_extra.$image)) {
// Checking the main/img/icons/XXX/ folder
$icon = $w_code_path.'img/icons/'.$size_extra.$image;
}
}
// Special code to enable SVG - refs #7359 - Needs more work
// The code below does something else to "test out" SVG: for each icon,
// it checks if there is an SVG version. If so, it uses it.
// When moving this to production, the return_icon() calls should
// ask for the SVG version directly
$svgIcons = api_get_setting('icons_mode_svg');
if ($svgIcons == 'true' && $return_only_path == false) {
$svgImage = substr($image, 0, -3).'svg';
if (is_file($code_path.$theme.'svg/'.$svgImage)) {
$icon = $w_code_path.$theme.'svg/'.$svgImage;
} elseif (is_file($code_path.'img/icons/svg/'.$svgImage)) {
$icon = $w_code_path.'img/icons/svg/'.$svgImage;
}
if (empty($additional_attributes['height'])) {
$additional_attributes['height'] = $size;
}
if (empty($additional_attributes['width'])) {
$additional_attributes['width'] = $size;
}
}
$icon = api_get_cdn_path($icon);
if ($return_only_path) {
return $icon;
}
$img = self::img($icon, $alt_text, $additional_attributes);
if (SHOW_TEXT_NEAR_ICONS == true && !empty($alt_text)) {
if ($show_text) {
$img = "$img $alt_text";
}
}
return $img;
}
/**
* Returns the htmlcode for an image.
*
* @param string $image_path the filename of the file (in the main/img/ folder
* @param string $alt_text the alt text (probably a language variable)
* @param array $additional_attributes (for instance height, width, onclick, ...)
* @param bool $filterPath Optional. Whether filter the image path. Default is true
*
* @return string
*
* @author Julio Montoya 2010
*/
public static function img(
$image_path,
$alt_text = '',
$additional_attributes = null,
$filterPath = true
) {
if (empty($image_path)) {
// For some reason, the call to img() happened without a proper
// image. Log the error and return an empty string to avoid
// breaking the HTML
$trace = debug_backtrace();
$caller = $trace[1];
//error_log('No image provided in Display::img(). Caller info: '.print_r($caller, 1));
return '';
}
// Sanitizing the parameter $image_path
if ($filterPath) {
$image_path = Security::filter_img_path($image_path);
}
// alt text = the image name if there is none provided (for XHTML compliance)
if ($alt_text == '') {
$alt_text = basename($image_path);
}
if (empty($additional_attributes)) {
$additional_attributes = [];
}
$additional_attributes['src'] = $image_path;
if (empty($additional_attributes['alt'])) {
$additional_attributes['alt'] = $alt_text;
}
if (empty($additional_attributes['title'])) {
$additional_attributes['title'] = $alt_text;
}
return self::tag('img', '', $additional_attributes);
}
/**
* Returns the htmlcode for a tag (h3, h1, div, a, button), etc.
*
* @param string $tag the tag name
* @param string $content the tag's content
* @param array $additional_attributes (for instance height, width, onclick, ...)
*
* @return string
*
* @author Julio Montoya 2010
*/
public static function tag($tag, $content, $additional_attributes = [])
{
$attribute_list = '';
// Managing the additional attributes
if (!empty($additional_attributes) && is_array($additional_attributes)) {
$attribute_list = '';
foreach ($additional_attributes as $key => &$value) {
$attribute_list .= $key.'="'.$value.'" ';
}
}
//some tags don't have this </XXX>
if (in_array($tag, ['img', 'input', 'br'])) {
$return_value = '<'.$tag.' '.$attribute_list.' />';
} else {
$return_value = '<'.$tag.' '.$attribute_list.' >'.$content.'</'.$tag.'>';
}
return $return_value;
}
/**
* Creates a URL anchor.
*
* @param string $name
* @param string $url
* @param array $attributes
*
* @return string
*/
public static function url($name, $url, $attributes = [])
{
if (!empty($url)) {
$url = preg_replace('#&amp;#', '&', $url);
$url = htmlspecialchars($url, ENT_QUOTES, 'UTF-8');
$attributes['href'] = $url;
}
return self::tag('a', $name, $attributes);
}
/**
* Creates a div tag.
*
* @param string $content
* @param array $attributes
*
* @return string
*/
public static function div($content, $attributes = [])
{
return self::tag('div', $content, $attributes);
}
/**
* Creates a span tag.
*/
public static function span($content, $attributes = [])
{
return self::tag('span', $content, $attributes);
}
/**
* Displays an HTML input tag.
*/
public static function input($type, $name, $value, $attributes = [])
{
if (isset($type)) {
$attributes['type'] = $type;
}
if (isset($name)) {
$attributes['name'] = $name;
}
if (isset($value)) {
$attributes['value'] = $value;
}
return self::tag('input', '', $attributes);
}
/**
* @param $name
* @param $value
* @param array $attributes
*
* @return string
*/
public static function button($name, $value, $attributes = [])
{
if (!empty($name)) {
$attributes['name'] = $name;
}
return self::tag('button', $value, $attributes);
}
/**
* Displays an HTML select tag.
*
* @param string $name
* @param array $values
* @param int $default
* @param array $extra_attributes
* @param bool $show_blank_item
* @param null $blank_item_text
*
* @return string
*/
public static function select(
$name,
$values,
$default = -1,
$extra_attributes = [],
$show_blank_item = true,
$blank_item_text = ''
) {
$html = '';
$extra = '';
$default_id = 'id="'.$name.'" ';
foreach ($extra_attributes as $key => $parameter) {
if ($key == 'id') {
$default_id = '';
}
$extra .= $key.'="'.$parameter.'" ';
}
$html .= '<select name="'.$name.'" '.$default_id.' '.$extra.'>';
if ($show_blank_item) {
if (empty($blank_item_text)) {
$blank_item_text = get_lang('Select');
} else {
$blank_item_text = Security::remove_XSS($blank_item_text);
}
$html .= self::tag(
'option',
'-- '.$blank_item_text.' --',
['value' => '-1']
);
}
if ($values) {
foreach ($values as $key => $value) {
if (is_array($value) && isset($value['name'])) {
$value = $value['name'];
}
$html .= '<option value="'.$key.'"';
if (is_array($default)) {
foreach ($default as $item) {
if ($item == $key) {
$html .= ' selected="selected"';
break;
}
}
} else {
if ($default == $key) {
$html .= ' selected="selected"';
}
}
$html .= '>'.$value.'</option>';
}
}
$html .= '</select>';
return $html;
}
/**
* Creates a tab menu
* Requirements: declare the jquery, jquery-ui libraries + the jquery-ui.css
* in the $htmlHeadXtra variable before the display_header
* Add this script.
*
* @example
* <script>
</script>
* @param array $headers list of the tab titles
* @param array $items
* @param string $id id of the container of the tab in the example "tabs"
* @param array $attributes for the ul
* @param array $ul_attributes
*
* @return string
*/
public static function tabs(
$headers,
$items,
$id = 'tabs',
$attributes = [],
$ul_attributes = []
) {
if (empty($headers) || count($headers) == 0) {
return '';
}
$lis = '';
$i = 1;
foreach ($headers as $item) {
$active = '';
$selected = 'false';
if ($i == 1) {
$active = ' active';
$selected = 'true';
}
$item = self::tag(
'a',
$item,
[
'href' => '#'.$id.'-'.$i,
'class' => 'nav-item nav-link '.$active,
'id' => $id.$i.'-tab',
'data-toggle' => 'tab',
'role' => 'tab',
'aria-controls' => 'aria_'.$id.$i,
'aria-selected' => $selected,
]
);
$lis .= $item;
$i++;
}
$ul = self::tag(
'nav',
$lis,
[
'id' => 'ul_'.$id,
'class' => 'nav nav-tabs',
'role' => 'tablist',
]
);
$i = 1;
$divs = '';
foreach ($items as $content) {
$active = '';
if ($i == 1) {
$active = ' show active';
}
$divs .= self::tag(
'div',
$content,
[
'id' => $id.'-'.$i,
'class' => 'tab-pane fade '.$active,
'role' => 'tabpanel',
'aria-labelledby' => $id.'-'.$i,
]
);
$i++;
}
$attributes['id'] = $id;
$attributes['class'] = 'tab_wrapper';
$html = self::tag(
'div',
$ul.
self::tag('div', $divs, ['class' => 'tab-content']),
$attributes
);
return $html;
}
/**
* @param $headers
* @param null $selected
*
* @return string
*/
public static function tabsOnlyLink($headers, $selected = null)
{
$id = uniqid();
$i = 1;
$lis = null;
foreach ($headers as $item) {
$class = null;
if ($i == $selected) {
$class = 'active';
}
$item = self::tag(
'a',
$item['content'],
['id' => $id.'-'.$i, 'href' => $item['url']]
);
$lis .= self::tag('li', $item, ['class' => $class]);
$i++;
}
return self::tag(
'ul',
$lis,
['class' => 'nav nav-tabs tabs-margin']
);
}
/**
* In order to display a grid using jqgrid you have to:.
*
* @example
* After your Display::display_header function you have to add the nex javascript code:
* <script>
* echo Display::grid_js('my_grid_name', $url,$columns, $column_model, $extra_params,[]);
* // for more information of this function check the grid_js() function
* </script>
* //Then you have to call the grid_html
* echo Display::grid_html('my_grid_name');
* As you can see both function use the same "my_grid_name" this is very important otherwise nothing will work
*
* @param string the div id, this value must be the same with the first parameter of Display::grid_js()
*
* @return string html
*/
public static function grid_html($div_id)
{
$table = self::tag('table', '', ['id' => $div_id]);
$table .= self::tag('div', '', ['id' => $div_id.'_pager']);
return $table;
}
/**
* @param string $label
* @param string $form_item
*
* @return string
*/
public static function form_row($label, $form_item)
{
$label = self::span($label, ['class' => 'control-label']);
$form_item = self::div($form_item, ['class' => 'controls']);
return self::div($label.$form_item, ['class' => 'control-group']);
}
/**
* This is a wrapper to use the jqgrid in Chamilo.
* For the other jqgrid options visit http://www.trirand.com/jqgridwiki/doku.php?id=wiki:options
* This function need to be in the ready jquery function
* example --> $(function() { <?php echo Display::grid_js('grid' ...); ?> }
* In order to work this function needs the Display::grid_html function with the same div id.
*
* @param string $div_id div id
* @param string $url url where the jqgrid will ask for data (if datatype = json)
* @param array $column_names visible columns (you should use get_lang).
* An array in which we place the names of the columns.
* This is the text that appears in the head of the grid (Header layer).
* Example: colname {name:'date', index:'date', width:120, align:'right'},
* @param array $column_model the column model : Array which describes the parameters of the columns.
* This is the most important part of the grid.
* For a full description of all valid values see colModel API. See the url above.
* @param array $extra_params extra parameters
* @param array $data data that will be loaded
* @param string $formatter A string that will be appended to the JSON returned
* @param bool $fixed_width not implemented yet
*
* @return string the js code
*/
public static function grid_js(
$div_id,
$url,
$column_names,
$column_model,
$extra_params,
$data = [],
$formatter = '',
$fixed_width = false
) {
$obj = new stdClass();
$obj->first = 'first';
if (!empty($url)) {
$obj->url = $url;
}
//This line should only be used/modified in case of having characters
// encoding problems - see #6159
//$column_names = array_map("utf8_encode", $column_names);
$obj->colNames = $column_names;
$obj->colModel = $column_model;
$obj->pager = '#'.$div_id.'_pager';
$obj->datatype = 'json';
$obj->viewrecords = 'true';
$all_value = 10000000;
// Default row quantity
if (!isset($extra_params['rowList'])) {
$extra_params['rowList'] = [20, 50, 100, 500, 1000, $all_value];
}
$json = '';
if (!empty($extra_params['datatype'])) {
$obj->datatype = $extra_params['datatype'];
}
// Row even odd style.
$obj->altRows = true;
if (!empty($extra_params['altRows'])) {
$obj->altRows = $extra_params['altRows'];
}
if (!empty($extra_params['sortname'])) {
$obj->sortname = $extra_params['sortname'];
}
if (!empty($extra_params['sortorder'])) {
$obj->sortorder = $extra_params['sortorder'];
}
if (!empty($extra_params['rowList'])) {
$obj->rowList = $extra_params['rowList'];
}
// Sets how many records we want to view in the grid
$obj->rowNum = 20;
if (!empty($extra_params['rowNum'])) {
$obj->rowNum = $extra_params['rowNum'];
} else {
// Try to load max rows from Session
$urlInfo = parse_url($url);
if (isset($urlInfo['query'])) {
parse_str($urlInfo['query'], $query);
if (isset($query['a'])) {
$action = $query['a'];
// This value is set in model.ajax.php
$savedRows = Session::read('max_rows_'.$action);
if (!empty($savedRows)) {
$obj->rowNum = $savedRows;
}
}
}
}
if (!empty($extra_params['viewrecords'])) {
$obj->viewrecords = $extra_params['viewrecords'];
}
$beforeSelectRow = null;
if (isset($extra_params['beforeSelectRow'])) {
$beforeSelectRow = "beforeSelectRow: ".$extra_params['beforeSelectRow'].", ";
unset($extra_params['beforeSelectRow']);
}
// Adding extra params
if (!empty($extra_params)) {
foreach ($extra_params as $key => $element) {
// the groupHeaders key gets a special treatment
if ($key != 'groupHeaders') {
$obj->$key = $element;
}
}
}
// Adding static data.
if (!empty($data)) {
$data_var = $div_id.'_data';
$json .= ' var '.$data_var.' = '.json_encode($data).';';
$obj->data = $data_var;
$obj->datatype = 'local';
$json .= "\n";
}
$obj->end = 'end';
$json_encode = json_encode($obj);
if (!empty($data)) {
//Converts the "data":"js_variable" to "data":js_variable,
// otherwise it will not work
$json_encode = str_replace('"data":"'.$data_var.'"', '"data":'.$data_var.'', $json_encode);
}
// Fixing true/false js values that doesn't need the ""
$json_encode = str_replace(':"true"', ':true', $json_encode);
// wrap_cell is not a valid jqgrid attributes is a hack to wrap a text
$json_encode = str_replace('"wrap_cell":true', 'cellattr : function(rowId, value, rowObject, colModel, arrData) { return \'class = "jqgrid_whitespace"\'; }', $json_encode);
$json_encode = str_replace(':"false"', ':false', $json_encode);
$json_encode = str_replace('"formatter":"action_formatter"', 'formatter:action_formatter', $json_encode);
$json_encode = str_replace('"formatter":"extra_formatter"', 'formatter:extra_formatter', $json_encode);
$json_encode = str_replace(['{"first":"first",', '"end":"end"}'], '', $json_encode);
// Creating the jqgrid element.
$json .= '$("#'.$div_id.'").jqGrid({';
//$json .= $beforeSelectRow;
$json .= $json_encode;
$json .= '});';
// Grouping headers option
if (isset($extra_params['groupHeaders'])) {
$groups = '';
foreach ($extra_params['groupHeaders'] as $group) {
//{ "startColumnName" : "courses", "numberOfColumns" : 1, "titleText" : "Order Info" },
$groups .= '{ "startColumnName" : "'.$group['startColumnName'].'", "numberOfColumns" : '.$group['numberOfColumns'].', "titleText" : "'.$group['titleText'].'" },';
}
$json .= '$("#'.$div_id.'").jqGrid("setGroupHeaders", {
"useColSpanStyle" : false,
"groupHeaders" : [
'.$groups.'
]
});';
}
$all_text = addslashes(get_lang('All'));
$json .= '$("'.$obj->pager.' option[value='.$all_value.']").text("'.$all_text.'");';
$json .= "\n";
// Adding edit/delete icons.
$json .= $formatter;
return $json;
}
/**
* @param array $headers
* @param array $rows
* @param array $attributes
*
* @return string
*/
public static function table($headers, $rows, $attributes = [])
{
if (empty($attributes)) {
$attributes['class'] = 'data_table';
}
$table = new HTML_Table($attributes);
$row = 0;
$column = 0;
// Course headers
if (!empty($headers)) {
foreach ($headers as $item) {
$table->setHeaderContents($row, $column, $item);
$column++;
}
$row = 1;
$column = 0;
}
if (!empty($rows)) {
foreach ($rows as $content) {
$table->setCellContents($row, $column, $content);
$row++;
}
}
return $table->toHtml();
}
/**
* Returns the "what's new" icon notifications.
*
* The general logic of this function is to track the last time the user
* entered the course and compare to what has changed inside this course
* since then, based on the item_property table inside this course. Note that,
* if the user never entered the course before, he will not see notification
* icons. This function takes session ID into account (if any) and only shows
* the corresponding notifications.
*
* @param array $courseInfo Course information array, containing at least elements 'db' and 'k'
* @param bool $loadAjax
*
* @return string The HTML link to be shown next to the course
*/
public static function show_notification($courseInfo, $loadAjax = true)
{
if (empty($courseInfo)) {
return '';
}
$t_track_e_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
$course_tool_table = Database::get_course_table(TABLE_TOOL_LIST);
$tool_edit_table = Database::get_course_table(TABLE_ITEM_PROPERTY);
$course_code = Database::escape_string($courseInfo['code']);
$user_id = api_get_user_id();
$course_id = (int) $courseInfo['real_id'];
$sessionId = (int) $courseInfo['id_session'];
$status = (int) $courseInfo['status'];
$loadNotificationsByAjax = api_get_configuration_value('user_portal_load_notification_by_ajax');
if ($loadNotificationsByAjax) {
if ($loadAjax) {
$id = 'notification_'.$course_id.'_'.$sessionId.'_'.$status;
Session::write($id, true);
return '<span id ="'.$id.'" class="course_notification"></span>';
}
}
// Get the user's last access dates to all tools of this course
$sql = "SELECT *
FROM $t_track_e_access
WHERE
c_id = $course_id AND
access_user_id = '$user_id' AND
access_session_id ='".$sessionId."'
ORDER BY access_date DESC
LIMIT 1
";
$result = Database::query($sql);
// latest date by default is the creation date
$latestDate = $courseInfo['creation_date'];
if (Database::num_rows($result)) {
$row = Database::fetch_array($result, 'ASSOC');
$latestDate = $row['access_date'];
}
$sessionCondition = api_get_session_condition(
$sessionId,
true,
false,
'session_id'
);
$hideTools = [TOOL_NOTEBOOK, TOOL_CHAT];
// Get current tools in course
$sql = "SELECT name, link, image
FROM $course_tool_table
WHERE
c_id = $course_id AND
visibility = '1' AND
name NOT IN ('".implode("','", $hideTools)."')
";
$result = Database::query($sql);
$tools = Database::store_result($result);
$group_ids = GroupManager::get_group_ids($courseInfo['real_id'], $user_id);
$group_ids[] = 0; //add group 'everyone'
$notifications = [];
if ($tools) {
foreach ($tools as $tool) {
$toolName = $tool['name'];
$toolName = Database::escape_string($toolName);
// Fix to get student publications
$toolCondition = " tool = '$toolName' AND ";
if ($toolName == 'student_publication' || $toolName == 'work') {
$toolCondition = " (tool = 'work' OR tool = 'student_publication') AND ";
}
$toolName = addslashes($toolName);
$sql = "SELECT * FROM $tool_edit_table
WHERE
c_id = $course_id AND
$toolCondition
lastedit_type NOT LIKE '%Deleted%' AND
lastedit_type NOT LIKE '%deleted%' AND
lastedit_type NOT LIKE '%DocumentInvisible%' AND
lastedit_date > '$latestDate' AND
lastedit_user_id != $user_id $sessionCondition AND
visibility != 2 AND
(to_user_id IN ('$user_id', '0') OR to_user_id IS NULL) AND
(to_group_id IN ('".implode("','", $group_ids)."') OR to_group_id IS NULL)
ORDER BY lastedit_date DESC
LIMIT 1";
$result = Database::query($sql);
$latestChange = Database::fetch_array($result, 'ASSOC');
if ($latestChange) {
$latestChange['link'] = $tool['link'];
$latestChange['image'] = $tool['image'];
$latestChange['tool'] = $tool['name'];
$notifications[$toolName] = $latestChange;
}
}
}
// Show all tool icons where there is something new.
$return = '';
foreach ($notifications as $notification) {
$toolName = $notification['tool'];
if (!(
$notification['visibility'] == '1' ||
($status == '1' && $notification['visibility'] == '0') ||
!isset($notification['visibility'])
)
) {
continue;
}
if ($toolName == TOOL_SURVEY) {
$survey_info = SurveyManager::get_survey($notification['ref'], 0, $course_code);
if (!empty($survey_info)) {
$invited_users = SurveyUtil::get_invited_users(
$survey_info['code'],
$course_code
);
if (!in_array($user_id, $invited_users['course_users'])) {
continue;
}
}
}
if ($notification['tool'] == TOOL_LEARNPATH) {
if (!learnpath::is_lp_visible_for_student($notification['ref'], $user_id, $course_code)) {
continue;
}
}
if ($notification['tool'] == TOOL_DROPBOX) {
$notification['link'] = 'dropbox/dropbox_download.php?id='.$notification['ref'];
}
if ($notification['tool'] == 'work' &&
$notification['lastedit_type'] == 'DirectoryCreated'
) {
$notification['lastedit_type'] = 'WorkAdded';
}
$lastDate = api_get_local_time($notification['lastedit_date']);
$type = $notification['lastedit_type'];
if ($type == 'CalendareventVisible') {
$type = 'Visible';
}
$label = get_lang('TitleNotification').": ".get_lang($type)." ($lastDate)";
if (strpos($notification['link'], '?') === false) {
$notification['link'] = $notification['link'].'?notification=1';
} else {
$notification['link'] = $notification['link'].'&notification=1';
}
$image = substr($notification['image'], 0, -4).'.png';
$return .= self::url(
self::return_icon($image, $label),
api_get_path(WEB_CODE_PATH).
$notification['link'].'&cidReq='.$course_code.
'&ref='.$notification['ref'].
'&gidReq='.$notification['to_group_id'].
'&id_session='.$sessionId
).PHP_EOL;
}
return $return;
}
/**
* Get the session box details as an array.
*
* @param int Session ID
*
* @return array Empty array or session array
* ['title'=>'...','category'=>'','dates'=>'...','coach'=>'...','active'=>true/false,'session_category_id'=>int]
*/
public static function getSessionTitleBox($session_id)
{
global $nosession;
if (!$nosession) {
global $now, $date_start, $date_end;
}
$output = [];
if (!$nosession) {
$main_user_table = Database::get_main_table(TABLE_MAIN_USER);
$tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
// Request for the name of the general coach
$sql = 'SELECT tu.lastname, tu.firstname, ts.*
FROM '.$tbl_session.' ts
LEFT JOIN '.$main_user_table.' tu
ON ts.id_coach = tu.user_id
WHERE ts.id = '.intval($session_id);
$rs = Database::query($sql);
$session_info = Database::store_result($rs, 'ASSOC');
$session_info = $session_info[0];
$session = [];
$session['category_id'] = $session_info['session_category_id'];
$session['title'] = $session_info['name'];
$session['id_coach'] = $session_info['id_coach'];
$session['coach'] = '';
$session['dates'] = '';
if (api_get_setting('show_session_coach') === 'true') {
$session['coach'] = get_lang('GeneralCoach').': '.api_get_person_name($session_info['firstname'], $session_info['lastname']);
}
if (($session_info['access_end_date'] == '0000-00-00 00:00:00' &&
$session_info['access_start_date'] == '0000-00-00 00:00:00') ||
(empty($session_info['access_end_date']) && empty($session_info['access_start_date']))
) {
if (isset($session_info['duration']) && !empty($session_info['duration'])) {
$daysLeft = SessionManager::getDayLeftInSession($session_info, api_get_user_id());
$session['duration'] = $daysLeft >= 0
? sprintf(get_lang('SessionDurationXDaysLeft'), $daysLeft)
: get_lang('YourSessionTimeHasExpired');
}
$active = true;
} else {
$dates = SessionManager::parseSessionDates($session_info, true);
$session['dates'] = $dates['access'];
if (api_get_setting('show_session_coach') === 'true') {
$session['coach'] = api_get_person_name(
$session_info['firstname'],
$session_info['lastname']
);
}
$active = $date_start <= $now && $date_end >= $now;
}
$session['active'] = $active;
$session['session_category_id'] = $session_info['session_category_id'];
$session['visibility'] = $session_info['visibility'];
$session['num_users'] = $session_info['nbr_users'];
$session['num_courses'] = $session_info['nbr_courses'];
$session['description'] = $session_info['description'];
$session['show_description'] = $session_info['show_description'];
$entityManager = Database::getManager();
$fieldValuesRepo = $entityManager->getRepository('ChamiloCoreBundle:ExtraFieldValues');
$extraFieldValues = $fieldValuesRepo->getVisibleValues(ExtraField::SESSION_FIELD_TYPE, $session_id);
$session['extra_fields'] = [];
/** @var \Chamilo\CoreBundle\Entity\ExtraFieldValues $value */
foreach ($extraFieldValues as $value) {
if (empty($value)) {
continue;
}
$session['extra_fields'][] = [
'field' => [
'variable' => $value->getField()->getVariable(),
'display_text' => $value->getField()->getDisplayText(),
],
'value' => $value->getValue(),
];
}
$output = $session;
}
return $output;
}
/**
* Return the five star HTML.
*
* @param string $id of the rating ul element
* @param string $url that will be added (for jquery see hot_courses.tpl)
* @param array $point_info point info array see function CourseManager::get_course_ranking()
* @param bool $add_div_wrapper add a div wrapper
*
* @return string
*/
public static function return_rating_system(
$id,
$url,
$point_info = [],
$add_div_wrapper = true
) {
$number_of_users_who_voted = isset($point_info['users_who_voted']) ? $point_info['users_who_voted'] : null;
$percentage = isset($point_info['point_average']) ? $point_info['point_average'] : 0;
if (!empty($percentage)) {
$percentage = $percentage * 125 / 100;
}
$accesses = isset($point_info['accesses']) ? $point_info['accesses'] : 0;
$star_label = sprintf(get_lang('XStarsOutOf5'), $point_info['point_average_star']);
$html = '<ul id="'.$id.'" class="star-rating">
<li class="current-rating" style="width:'.$percentage.'px;"></li>
<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=1" title="'.$star_label.'" class="one-star">1</a></li>
<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=2" title="'.$star_label.'" class="two-stars">2</a></li>
<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=3" title="'.$star_label.'" class="three-stars">3</a></li>
<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=4" title="'.$star_label.'" class="four-stars">4</a></li>
<li><a href="javascript:void(0);" data-link="'.$url.'&amp;star=5" title="'.$star_label.'" class="five-stars">5</a></li>
</ul>';
$labels = [];
$labels[] = $number_of_users_who_voted == 1 ? $number_of_users_who_voted.' '.get_lang('Vote') : $number_of_users_who_voted.' '.get_lang('Votes');
$labels[] = $accesses == 1 ? $accesses.' '.get_lang('Visit') : $accesses.' '.get_lang('Visits');
$labels[] = $point_info['user_vote'] ? get_lang('YourVote').' ['.$point_info['user_vote'].']' : get_lang('YourVote').' [?] ';
if (!$add_div_wrapper && api_is_anonymous()) {
$labels[] = self::tag('span', get_lang('LoginToVote'), ['class' => 'error']);
}
$html .= self::div(implode(' | ', $labels), ['id' => 'vote_label_'.$id, 'class' => 'vote_label_info']);
$html .= ' '.self::span(' ', ['id' => 'vote_label2_'.$id]);
if ($add_div_wrapper) {
$html = self::div($html, ['id' => 'rating_wrapper_'.$id]);
}
return $html;
}
/**
* @param string $title
* @param string $second_title
* @param string $size
* @param bool $filter
*
* @return string
*/
public static function page_header($title, $second_title = null, $size = 'h2', $filter = true)
{
if ($filter) {
$title = Security::remove_XSS($title);
}
if (!empty($second_title)) {
if ($filter) {
$second_title = Security::remove_XSS($second_title);
}
$title .= "<small> $second_title</small>";
}
return '<'.$size.' class="page-header">'.$title.'</'.$size.'>';
}
public static function page_header_and_translate($title, $second_title = null)
{
$title = get_lang($title);
return self::page_header($title, $second_title);
}
public static function page_subheader_and_translate($title, $second_title = null)
{
$title = get_lang($title);
return self::page_subheader($title, $second_title);
}
public static function page_subheader($title, $second_title = null, $size = 'h3')
{
if (!empty($second_title)) {
$second_title = Security::remove_XSS($second_title);
$title .= "<small> $second_title<small>";
}
return '<'.$size.'>'.Security::remove_XSS($title).'</'.$size.'>';
}
public static function page_subheader2($title, $second_title = null)
{
return self::page_header($title, $second_title, 'h4');
}
public static function page_subheader3($title, $second_title = null)
{
return self::page_header($title, $second_title, 'h5');
}
/**
* @param array $list
*
* @return null|string
*/
public static function description($list)
{
$html = null;
if (!empty($list)) {
$html = '<dl class="dl-horizontal">';
foreach ($list as $item) {
$html .= '<dt>'.$item['title'].'</dt>';
$html .= '<dd>'.$item['content'].'</dd>';
}
$html .= '</dl>';
}
return $html;
}
/**
* @param $percentage
* @param bool $show_percentage
* @param null $extra_info
*
* @return string
*/
public static function bar_progress($percentage, $show_percentage = true, $extra_info = null)
{
$percentage = intval($percentage);
$div = '<div class="progress">
<div
class="progress-bar progress-bar-striped"
role="progressbar"
aria-valuenow="'.$percentage.'"
aria-valuemin="0"
aria-valuemax="100"
style="width: '.$percentage.'%;"
>';
if ($show_percentage) {
$div .= $percentage.'%';
} else {
if (!empty($extra_info)) {
$div .= $extra_info;
}
}
$div .= '</div>';
return $div;
}
/**
* @param string $count
* @param string $type
*
* @return null|string
*/
public static function badge($count, $type = "warning")
{
$class = '';
switch ($type) {
case 'success':
$class = 'badge-success';
break;
case 'warning':
$class = 'badge-warning';
break;
case 'important':
$class = 'badge-important';
break;
case 'info':
$class = 'badge-info';
break;
case 'inverse':
$class = 'badge-inverse';
break;
}
if (!empty($count)) {
return ' <span class="badge '.$class.'">'.$count.'</span>';
}
return null;
}
/**
* @param array $badge_list
*
* @return string
*/
public static function badge_group($badge_list)
{
$html = '<div class="badge-group">';
foreach ($badge_list as $badge) {
$html .= $badge;
}
$html .= '</div>';
return $html;
}
/**
* @param string $content
* @param string $type
*
* @return string
*/
public static function label($content, $type = 'default')
{
switch ($type) {
case 'success':
$class = 'success';
break;
case 'warning':
$class = 'warning';
break;
case 'important':
case 'danger':
$class = 'danger';
break;
case 'info':
$class = 'info';
break;
case 'primary':
$class = 'primary';
break;
default:
$class = 'secondary';
break;
}
$html = '';
if (!empty($content)) {
$html = '<span class="badge badge-'.$class.'">';
$html .= $content;
$html .= '</span>';
}
return $html;
}
/**
* @param array $items
* @param string $class
*
* @return null|string
*/
public static function actions($items, $class = 'new_actions')
{
$html = null;
if (!empty($items)) {
$html = '<div class="'.$class.'"><ul class="nav nav-pills">';
foreach ($items as $value) {
$class = null;
if (isset($value['active']) && $value['active']) {
$class = 'class ="active"';
}
if (basename($_SERVER['REQUEST_URI']) == basename($value['url'])) {
$class = 'class ="active"';
}
$html .= "<li $class >";
$attributes = isset($value['url_attributes']) ? $value['url_attributes'] : [];
$html .= self::url($value['content'], $value['url'], $attributes);
$html .= '</li>';
}
$html .= '</ul></div>';
$html .= '<br />';
}
return $html;
}
/**
* Prints a tooltip.
*
* @param string $text
* @param string $tip
*
* @return string
*/
public static function tip($text, $tip)
{
if (empty($tip)) {
return $text;
}
return self::span(
$text,
['class' => 'boot-tooltip', 'title' => strip_tags($tip)]
);
}
/**
* @param array $buttons
*
* @return string
*/
public static function groupButton($buttons)
{
$html = '<div class="btn-group" role="group">';
foreach ($buttons as $button) {
$html .= $button;
}
$html .= '</div>';
return $html;
}
/**
* @todo use twig
*
* @param string $title
* @param array $elements
* @param bool $alignToRight
*
* @return string
*/
public static function groupButtonWithDropDown($title, $elements, $alignToRight = false)
{
$id = uniqid('dropdown', true);
$html = '<div class="btn-group" role="group">
<button id = "'.$id.'" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
'.$title.'
</button>
<div class="dropdown-menu aria-labelledby="'.$id.'" '.($alignToRight ? 'dropdown-menu-right' : '').'">';
foreach ($elements as $item) {
$html .= self::tag('li', self::url($item['title'], $item['href'], ['class' => 'dropdown-item']));
}
$html .= '</div>
</div>';
return $html;
}
/**
* @param string $file
* @param array $params
*
* @return null|string
*/
public static function getMediaPlayer($file, $params = [])
{
$fileInfo = pathinfo($file);
switch ($fileInfo['extension']) {
case 'mp3':
case 'webm':
$autoplay = null;
if (isset($params['autoplay']) && $params['autoplay'] == 'true') {
$autoplay = 'autoplay';
}
$width = isset($params['width']) ? 'width="'.$params['width'].'"' : null;
$id = isset($params['id']) ? $params['id'] : $fileInfo['basename'];
$class = isset($params['class']) ? ' class="'.$params['class'].'"' : null;
$html = '<audio id="'.$id.'" '.$class.' controls '.$autoplay.' '.$width.' src="'.$params['url'].'" >';
$html .= '<object width="'.$width.'" height="50" type="application/x-shockwave-flash" data="'.api_get_path(WEB_LIBRARY_PATH).'javascript/mediaelement/flashmediaelement.swf">
<param name="movie" value="'.api_get_path(WEB_LIBRARY_PATH).'javascript/mediaelement/flashmediaelement.swf" />
<param name="flashvars" value="controls=true&file='.$params['url'].'" />
</object>';
$html .= '</audio>';
return $html;
break;
case 'wav':
case 'ogg':
$html = '<audio width="300px" controls src="'.$params['url'].'" >';
return $html;
break;
}
return null;
}
/**
* @param int $nextValue
* @param array $list
* @param int $current
* @param int $fixedValue
* @param array $conditions
* @param string $link
* @param bool $isMedia
* @param bool $addHeaders
* @param array $linkAttributes
*
* @return string
*/
public static function progressPaginationBar(
$nextValue,
$list,
$current,
$fixedValue = null,
$conditions = [],
$link = null,
$isMedia = false,
$addHeaders = true,
$linkAttributes = []
) {
if ($addHeaders) {
$pagination_size = 'pagination-mini';
$html = '<div class="exercise_pagination pagination '.$pagination_size.'"><ul>';
} else {
$html = null;
}
$affectAllItems = false;
if ($isMedia && isset($fixedValue) && ($nextValue + 1 == $current)) {
$affectAllItems = true;
}
$localCounter = 0;
foreach ($list as $itemId) {
$isCurrent = false;
if ($affectAllItems) {
$isCurrent = true;
} else {
if (!$isMedia) {
$isCurrent = $current == ($localCounter + $nextValue + 1) ? true : false;
}
}
$html .= self::parsePaginationItem(
$itemId,
$isCurrent,
$conditions,
$link,
$nextValue,
$isMedia,
$localCounter,
$fixedValue,
$linkAttributes
);
$localCounter++;
}
if ($addHeaders) {
$html .= '</ul></div>';
}
return $html;
}
/**
* @param int $itemId
* @param bool $isCurrent
* @param array $conditions
* @param string $link
* @param int $nextValue
* @param bool $isMedia
* @param int $localCounter
* @param int $fixedValue
* @param array $linkAttributes
*
* @return string
*/
public static function parsePaginationItem(
$itemId,
$isCurrent,
$conditions,
$link,
$nextValue = 0,
$isMedia = false,
$localCounter = null,
$fixedValue = null,
$linkAttributes = []
) {
$defaultClass = 'before';
$class = $defaultClass;
foreach ($conditions as $condition) {
$array = isset($condition['items']) ? $condition['items'] : [];
$class_to_applied = $condition['class'];
$type = isset($condition['type']) ? $condition['type'] : 'positive';
$mode = isset($condition['mode']) ? $condition['mode'] : 'add';
switch ($type) {
case 'positive':
if (in_array($itemId, $array)) {
if ($mode == 'overwrite') {
$class = " $defaultClass $class_to_applied";
} else {
$class .= " $class_to_applied";
}
}
break;
case 'negative':
if (!in_array($itemId, $array)) {
if ($mode == 'overwrite') {
$class = " $defaultClass $class_to_applied";
} else {
$class .= " $class_to_applied";
}
}
break;
}
}
if ($isCurrent) {
$class = 'before current';
}
if ($isMedia && $isCurrent) {
$class = 'before current';
}
if (empty($link)) {
$link_to_show = '#';
} else {
$link_to_show = $link.($nextValue + $localCounter);
}
$label = $nextValue + $localCounter + 1;
if ($isMedia) {
$label = ($fixedValue + 1).' '.chr(97 + $localCounter);
$link_to_show = $link.$fixedValue.'#questionanchor'.$itemId;
}
$link = self::url($label.' ', $link_to_show, $linkAttributes);
return '<li class = "'.$class.'">'.$link.'</li>';
}
/**
* @param int $current
* @param int $total
*
* @return string
*/
public static function paginationIndicator($current, $total)
{
$html = null;
if (!empty($current) && !empty($total)) {
$label = sprintf(get_lang('PaginationXofY'), $current, $total);
$html = self::url($label, '#', ['class' => 'btn disabled']);
}
return $html;
}
/**
* Adds a message in the queue.
*
* @param string $message
*/
public static function addFlash($message)
{
$messages = Session::read('flash_messages');
if (empty($messages)) {
$messages[] = $message;
} else {
array_push($messages, $message);
}
Session::write('flash_messages', $messages);
}
/**
* @return string
*/
public static function getFlashToString()
{
$messages = Session::read('flash_messages');
$messageToString = '';
if (!empty($messages)) {
foreach ($messages as $message) {
$messageToString .= $message;
}
}
return $messageToString;
}
/**
* Shows the message from the session.
*/
public static function showFlash()
{
echo self::getFlashToString();
}
/**
* Destroys the message session.
*/
public static function cleanFlashMessages()
{
Session::erase('flash_messages');
}
/**
* Get the profile edition link for a user.
*
* @param int $userId The user id
* @param bool $asAdmin Optional. Whether get the URL for the platform admin
*
* @return string The link
*/
public static function getProfileEditionLink($userId, $asAdmin = false)
{
$editProfileUrl = api_get_path(WEB_CODE_PATH).'auth/profile.php';
if ($asAdmin) {
$editProfileUrl = api_get_path(WEB_CODE_PATH)."admin/user_edit.php?user_id=".intval($userId);
}
return $editProfileUrl;
}
/**
* Get the vCard for a user.
*
* @param int $userId The user id
*
* @return string *.*vcf file
*/
public static function getVCardUserLink($userId)
{
$vCardUrl = api_get_path(WEB_PATH).'main/social/vcard_export.php?userId='.intval($userId);
return $vCardUrl;
}
/**
* @param string $content
* @param string $title
* @param string $footer
* @param string $type primary|success|info|warning|danger
* @param string $extra
* @param string $id
* @param string $customColor
* @param string $rightAction
*
* @return string
*/
public static function panel(
$content,
$title = '',
$footer = '',
$type = 'default',
$extra = '',
$id = '',
$customColor = '',
$rightAction = ''
) {
$headerStyle = '';
if (!empty($customColor)) {
$headerStyle = 'style = "color: white; background-color: '.$customColor.'" ';
}
if (!empty($rightAction)) {
$rightAction = '<span class="float-right">'.$rightAction.'</span>';
}
$title = !empty($title) ? '<h3 class="card-header">'.$title.' '.$rightAction.'</h3>'.$extra : '';
$footer = !empty($footer) ? '<div class="card-footer">'.$footer.'</div>' : '';
$typeList = ['primary', 'success', 'info', 'warning', 'danger'];
$style = !in_array($type, $typeList) ? 'default' : $type;
if (!empty($id)) {
$id = " id='$id'";
}
return '
<div '.$id.' class="card">
'.$title.'
'.self::contentPanel($content).'
'.$footer.'
</div>'
;
}
/**
* @param string $content
*
* @return string
*/
public static function contentPanel($content): string
{
if (empty($content)) {
return '';
}
return '<div class="card-text">'.$content.'</div>';
}
/**
* Get the button HTML with an Awesome Font icon.
*
* @param string $text The button content
* @param string $url The url to button
* @param string $icon The Awesome Font class for icon
* @param string $type Optional. The button Bootstrap class. Default 'default' class
* @param array $attributes The additional attributes
* @param bool $includeText
*
* @return string The button HTML
*/
public static function toolbarButton(
$text,
$url,
$icon = 'check',
$type = 'default',
array $attributes = [],
$includeText = true
) {
$buttonClass = "btn btn-$type";
$icon = self::tag('i', null, ['class' => "fa fa-$icon fa-fw", 'aria-hidden' => 'true']);
$attributes['class'] = isset($attributes['class']) ? "$buttonClass {$attributes['class']}" : $buttonClass;
$attributes['title'] = isset($attributes['title']) ? $attributes['title'] : $text;
if (!$includeText) {
$text = '<span class="sr-only">'.$text.'</span>';
}
return self::url("$icon $text", $url, $attributes);
}
/**
* @param string $id
* @param array $content
* @param array $colsWidth Optional. Columns width
*
* @return string
*/
public static function toolbarAction($id, $content, $colsWidth = [])
{
$col = count($content);
if (!$colsWidth) {
$width = 12 / $col;
array_walk($content, function () use ($width, &$colsWidth) {
$colsWidth[] = $width;
});
}
$html = '<div id="'.$id.'" >';
$html .= '<div class="row">';
for ($i = 0; $i < $col; $i++) {
$class = 'col-sm-'.$colsWidth[$i];
if ($col > 1) {
if ($i > 0 && $i < count($content) - 1) {
$class .= ' text-center';
} elseif ($i === count($content) - 1) {
$class .= ' text-right';
}
}
$html .= '<div class="'.$class.'">'.$content[$i].'</div>';
}
$html .= '</div>';
$html .= '</div>';
return $html;
}
/**
* Get a HTML code for a icon by Font Awesome.
*
* @param string $name The icon name
* @param int|string $size Optional. The size for the icon. (Example: lg, 2, 3, 4, 5)
* @param bool $fixWidth Optional. Whether add the fw class
* @param string $additionalClass Optional. Additional class
*
* @return string
*/
public static function returnFontAwesomeIcon(
$name,
$size = '',
$fixWidth = false,
$additionalClass = ''
) {
$className = "fa fa-$name";
if ($fixWidth) {
$className .= ' fa-fw';
}
switch ($size) {
case 'lg':
$className .= ' fa-lg';
break;
case 2:
case 3:
case 4:
case 5:
$className .= " fa-{$size}x";
break;
}
if (!empty($additionalClass)) {
$className .= " $additionalClass";
}
$icon = self::tag('em', null, ['class' => $className]);
return "$icon ";
}
/**
* @param string $title
* @param string $content
* @param null $id
* @param array $params
* @param null $idAccordion
* @param null $idCollapse
* @param bool|true $open
* @param bool|false $fullClickable
*
* @return null|string
*
* @todo rework function to easy use
*/
public static function panelCollapse(
$title,
$content,
$id = null,
$params = [],
$idAccordion = null,
$idCollapse = null,
$open = true,
$fullClickable = false
) {
if (!empty($idAccordion)) {
$headerClass = '';
$headerClass .= $fullClickable ? 'center-block ' : '';
$headerClass .= $open ? '' : 'collapsed';
$contentClass = 'panel-collapse collapse ';
$contentClass .= $open ? 'in' : '';
$ariaExpanded = $open ? 'true' : 'false';
$html = <<<HTML
<div class="card" id="$id">
<div class="card-header">
$title
</div>
<div class="card-body">$content</div>
</div>
HTML;
} else {
if (!empty($id)) {
$params['id'] = $id;
}
$params['class'] = 'card';
$html = null;
if (!empty($title)) {
$html .= '<div class="card-header">'.$title.'</div>'.PHP_EOL;
}
$html .= '<div class="card-body">'.$content.'</div>'.PHP_EOL;
$html = self::div($html, $params);
}
return $html;
}
/**
* Returns the string "1 day ago" with a link showing the exact date time.
*
* @param string $dateTime in UTC or a DateTime in UTC
*
* @return string
*/
public static function dateToStringAgoAndLongDate($dateTime)
{
if (empty($dateTime) || $dateTime === '0000-00-00 00:00:00') {
return '';
}
if ($dateTime instanceof \DateTime) {
$dateTime = $dateTime->format('Y-m-d H:i:s');
}
return self::tip(
date_to_str_ago($dateTime),
api_convert_and_format_date($dateTime, DATE_TIME_FORMAT_LONG)
//api_get_local_time($dateTime)
);
}
/**
* @param array $userInfo
* @param string $status
* @param string $toolbar
*
* @return string
*/
public static function getUserCard($userInfo, $status = '', $toolbar = '')
{
if (empty($userInfo)) {
return '';
}
if (!empty($status)) {
$status = '<div class="items-user-status">'.$status.'</div>';
}
if (!empty($toolbar)) {
$toolbar = '<div class="btn-group float-right">'.$toolbar.'</div>';
}
return '<div id="user_card_'.$userInfo['id'].'" class="card d-flex flex-row">
<img src="'.$userInfo['avatar'].'" class="rounded">
<h3 class="card-title">'.$userInfo['complete_name'].'</h3>
<div class="card-body">
<div class="card-title">
'.$status.'
'.$toolbar.'
</div>
</div>
<hr />
</div>';
}
/**
* Displays the reduced page header (without banner).
*/
private static function set_header()
{
global $show_learnpath, $tool_name;
self::$global_template = new Template(
$tool_name,
false,
false,
$show_learnpath
);
}
}