/**
* Get folder selection options for widgets
*
* @param array $folder the folder to create for
* @param string $internalname the name of the input field
* @param array $selected the current selected values
*
* @return string
*/
function file_tools_build_widget_options($folder, $internalname = "", $selected = [])
{
$result = '';
if (is_array($folder) && !array_key_exists('children', $folder)) {
foreach ($folder as $folder_item) {
$content = file_tools_build_widget_options($folder_item, $internalname, $selected);
$result .= elgg_format_element('ul', [], $content);
}
} else {
$folder_item = $folder['folder'];
$content = elgg_view('input/checkbox', ['default' => false, 'name' => $internalname, 'label' => $folder_item->title, 'label_tag' => 'span', 'value' => $folder_item->getGUID(), 'checked' => in_array($folder_item->getGUID(), $selected)]);
if (!empty($folder['children'])) {
$content .= file_tools_build_widget_options($folder['children'], $internalname, $selected);
}
$result .= elgg_format_element('li', [], $content);
}
return $result;
}
/**
* Get folder selection options for widgets
*
* @param array $folder the folder to create for
* @param string $internalname the name of the input field
* @param array $selected the current selected values
*
* @return string
*/
function file_tools_build_widget_options($folder, $internalname = "", $selected = array())
{
$result = "";
if (is_array($folder) && !array_key_exists("children", $folder)) {
foreach ($folder as $folder_item) {
$result .= "<ul>";
$result .= file_tools_build_widget_options($folder_item, $internalname, $selected);
$result .= "</ul>";
}
} else {
$folder_item = $folder["folder"];
$result .= "<li>";
if (in_array($folder_item->getGUID(), $selected)) {
$result .= "<input type='checkbox' name='" . $internalname . "' value='" . $folder_item->getGUID() . "' checked='checked'> " . $folder_item->title;
} else {
$result .= "<input type='checkbox' name='" . $internalname . "' value='" . $folder_item->getGUID() . "'> " . $folder_item->title;
}
if (!empty($folder["children"])) {
$result .= file_tools_build_widget_options($folder["children"], $internalname, $selected);
}
$result .= "</li>";
}
return $result;
}
<?php
$widget = elgg_extract("entity", $vars);
if ($folders = file_tools_get_folders($widget->owner_guid)) {
$selected_folders = $widget->folder_guids;
if (!empty($selected_folders) && !is_array($selected_folders)) {
$selected_folders = array($selected_folders);
} elseif (empty($selected_folders)) {
$selected_folders = array();
}
// select folder(s) to display
echo elgg_echo("widgets:file_tree:edit:select");
echo "<div>";
echo elgg_view("input/hidden", array("name" => "params[folder_guids][]", "value" => ""));
// needed to be able to empty the list
echo file_tools_build_widget_options($folders, "params[folder_guids][]", $selected_folders);
echo "</div>";
// display folder or folder content
$checkbox_options = array("name" => "params[show_content]", "value" => "1");
if (!empty($widget->show_content)) {
$checkbox_options["checked"] = "checked";
}
echo "<div>";
echo elgg_view("input/checkbox", $checkbox_options);
echo elgg_echo("widgets:file_tree:edit:show_content");
echo "</div>";
}
