/**
* Generate the widget and return it as string
* @return string
*/
public function generate()
{
$arrSet = array();
$arrValues = array();
$blnHasOrder = $this->strOrderField != '' && is_array($this->{$this->strOrderField});
if (!empty($this->varValue)) {
$objItems = $this->Database->execute("SELECT * FROM " . $this->foreignTable . " WHERE id IN (" . implode(',', array_map('intval', (array) $this->varValue)) . ") ORDER BY sorting");
if ($objItems !== null) {
while ($objItems->next()) {
$arrSet[] = $objItems->id;
$arrValues[$objItems->id] = TreePickerHelper::generateItemLabel($objItems, $this->foreignTable, $this->objDca, null, $this->pickerCallback);
}
}
// Apply a custom sort order
if ($blnHasOrder) {
$arrNew = array();
foreach ($this->{$this->strOrderField} as $i) {
if (isset($arrValues[$i])) {
$arrNew[$i] = $arrValues[$i];
unset($arrValues[$i]);
}
}
if (!empty($arrValues)) {
foreach ($arrValues as $k => $v) {
$arrNew[$k] = $v;
}
}
$arrValues = $arrNew;
unset($arrNew);
}
$orderCallback = $this->orderCallback;
// Use callback to order things
if (is_array($orderCallback)) {
$strClass = $orderCallback[0];
$strMethod = $orderCallback[1];
$arrValues = \System::importStatic($strClass)->{$strMethod}($arrValues);
} elseif (is_callable($orderCallback)) {
$arrValues = $orderCallback($arrValues);
}
}
// Load the fonts for the drag hint
$GLOBALS['TL_CONFIG']['loadGoogleFonts'] = true;
$return = '<input type="hidden" name="' . $this->strName . '" id="ctrl_' . $this->strId . '" value="' . implode(',', $arrSet) . '">' . ($blnHasOrder ? '
<input type="hidden" name="' . $this->strOrderName . '" id="ctrl_' . $this->strOrderId . '" value="' . $this->{$this->strOrderField} . '">' : '') . '
<div class="selector_container">' . ($blnHasOrder && count($arrValues) ? '
<p class="sort_hint">' . $GLOBALS['TL_LANG']['MSC']['dragItemsHint'] . '</p>' : '') . '
<ul id="sort_' . $this->strId . '" class="' . ($blnHasOrder ? 'sortable' : '') . '">';
foreach ($arrValues as $k => $v) {
$return .= '<li data-id="' . $k . '">' . $v . '</li>';
}
$return .= '</ul>
<p><a href="system/modules/widget_tree_picker/public/treepicker.php?do=' . \Input::get('do') . '&table=' . $this->strTable . '&field=' . $this->strField . '&act=show&id=' . $this->activeRecord->id . '&value=' . implode(',', $arrSet) . '&rt=' . REQUEST_TOKEN . '" class="tl_submit" onclick="Backend.getScrollOffset();TreePicker.openModal({\'width\':765,\'title\':\'' . specialchars($GLOBALS['TL_LANG']['MSC']['treepicker']) . '\',\'url\':this.href,\'id\':\'' . $this->strId . '\'});return false">' . $GLOBALS['TL_LANG']['MSC']['changeSelection'] . '</a></p>' . ($blnHasOrder ? '
<script>Backend.makeMultiSrcSortable("sort_' . $this->strId . '", "ctrl_' . $this->strOrderId . '")</script>' : '') . '
<script>
var script = document.createElement("script");
script.src = "system/modules/widget_tree_picker/assets/treepicker.min.js";
document.getElementsByTagName("head")[0].appendChild(script);
</script>
</div>';
if (!\Environment::get('isAjaxRequest')) {
$return = '<div>' . $return . '</div>';
}
return $return;
}
/**
* Recursively render the itemtree
* @param integer
* @param integer
* @param boolean
* @param boolean
* @return string
*/
protected function renderItemTree($id, $intMargin, $blnNoRecursion = false)
{
static $session;
$session = $this->Session->getData();
$flag = substr($this->strField, 0, 2);
$node = 'tree_' . $this->strTable . '_' . $this->strField;
$xtnode = 'tree_' . $this->strTable . '_' . $this->strName;
// Get the session data and toggle the nodes
if (\Input::get($flag . 'tg')) {
$session[$node][\Input::get($flag . 'tg')] = isset($session[$node][\Input::get($flag . 'tg')]) && $session[$node][\Input::get($flag . 'tg')] == 1 ? 0 : 1;
$this->Session->setData($session);
$this->redirect(preg_replace('/(&(amp;)?|\\?)' . $flag . 'tg=[^& ]*/i', '', \Environment::get('request')));
}
$objItem = $this->Database->prepare("SELECT * FROM " . $this->foreignTable . " WHERE id=?")->limit(1)->execute($id);
// Return if there is no result
if ($objItem->numRows < 1) {
return '';
}
$return = '';
$intSpacing = 20;
$childs = array();
// Check whether there are child records
if (!$blnNoRecursion) {
$objNodes = $this->Database->prepare("SELECT id FROM " . $this->foreignTable . " WHERE pid=? ORDER BY sorting")->execute($id);
if ($objNodes->numRows) {
$childs = $objNodes->fetchEach('id');
}
}
$return .= "\n " . '<li class="tl_file toggle_select" onmouseover="Theme.hoverDiv(this, 1)" onmouseout="Theme.hoverDiv(this, 0)"><div class="tl_left" style="padding-left:' . ($intMargin + $intSpacing) . 'px">';
$session[$node][$id] = is_numeric($session[$node][$id]) ? $session[$node][$id] : 0;
$level = $intMargin / $intSpacing + 1;
$blnIsOpen = $session[$node][$id] == 1 || in_array($id, $this->arrNodes);
if (!empty($childs)) {
$img = $blnIsOpen ? 'folMinus.gif' : 'folPlus.gif';
$alt = $blnIsOpen ? $GLOBALS['TL_LANG']['MSC']['collapseNode'] : $GLOBALS['TL_LANG']['MSC']['expandNode'];
$return .= '<a href="' . $this->addToUrl($flag . 'tg=' . $id) . '" title="' . specialchars($alt) . '" onclick="return TreePicker.toggle(this,\'' . $xtnode . '_' . $id . '\',\'' . $this->strField . '\',\'' . $this->strName . '\',' . $level . ')">' . \Image::getHtml($img, '', 'style="margin-right:2px"') . '</a>';
}
$label = TreePickerHelper::generateItemLabel($objItem, $this->foreignTable, $this->objDca);
// Add the current item
if (!empty($childs)) {
$return .= '<a href="' . $this->addToUrl('node=' . $objItem->id) . '" title="' . specialchars(strip_tags($label)) . '">' . $label . '</a></div> <div class="tl_right">';
} else {
$return .= '<span style="margin-left:' . $intSpacing . 'px;"></span>' . $label . '</div> <div class="tl_right">';
}
$showInput = true;
// HOOK: toggle input visibility
if (isset($GLOBALS['TL_HOOKS']['widgetTreePickerToggleInput']) && is_array($GLOBALS['TL_HOOKS']['widgetTreePickerToggleInput'])) {
foreach ($GLOBALS['TL_HOOKS']['widgetTreePickerToggleInput'] as $callback) {
$this->import($callback[0]);
$showInput = $this->{$callback[0]}->{$callback[1]}($objItem, $this);
}
}
if ($showInput) {
// Add checkbox or radio button
switch ($GLOBALS['TL_DCA'][$this->strTable]['fields'][$this->strField]['eval']['fieldType']) {
case 'checkbox':
$input = '<input type="checkbox" name="' . $this->strName . '[]" id="' . $this->strName . '_' . $id . '" class="tl_tree_checkbox" value="' . specialchars($id) . '" onfocus="Backend.getScrollOffset()"' . ($GLOBALS['TL_DCA'][$this->strTable]['fields'][$this->strField]['eval']['selectParents'] ? ' onclick="TreePicker.selectParents(this)"' : '') . static::optionChecked($id, $this->varValue) . '>';
break;
default:
case 'radio':
$input = '<input type="radio" name="' . $this->strName . '" id="' . $this->strName . '_' . $id . '" class="tl_tree_radio" value="' . specialchars($id) . '" onfocus="Backend.getScrollOffset()"' . static::optionChecked($id, $this->varValue) . '>';
break;
}
// HOOK: modify input markup
if (isset($GLOBALS['TL_HOOKS']['widgetTreePickerModifyInput']) && is_array($GLOBALS['TL_HOOKS']['widgetTreePickerModifyInput'])) {
foreach ($GLOBALS['TL_HOOKS']['widgetTreePickerModifyInput'] as $callback) {
$this->import($callback[0]);
$input = $this->{$callback[0]}->{$callback[1]}($input, $objItem, $this);
}
}
$return .= $input;
}
$return .= '</div><div style="clear:both"></div></li>';
// Begin a new submenu
if (!empty($childs) && ($blnIsOpen || $this->Session->get($this->getSearchSessionKey()) != '')) {
$return .= '<li class="parent" id="' . $node . '_' . $id . '"><ul class="level_' . $level . '">';
for ($k = 0, $c = count($childs); $k < $c; $k++) {
$return .= $this->renderItemTree($childs[$k], $intMargin + $intSpacing);
}
$return .= '</ul></li>';
}
return $return;
}