/**
* Append action buttons to the end of this form
*
* @param bool|null $valid Whether the form was validated
*/
private function _addButtons($valid)
{
$buttons = $valid === false ? $this->buttons : TIP_FORM_BUTTON_CLOSE;
$group = array();
if ($buttons & TIP_FORM_BUTTON_SUBMIT) {
$group[] =& $this->_createElement('submit');
}
if ($buttons & TIP_FORM_BUTTON_RESET) {
$group[] =& $this->_createElement('reset');
}
if ($buttons & TIP_FORM_BUTTON_OK) {
$uri = TIP::modifyActionUri(null, null, null, array('process' => 1));
$group[] =& $this->_createElement('link', 'ok', array('href' => $uri));
}
if ($buttons & TIP_FORM_BUTTON_DELETE && $this->action_id == TIP_FORM_ACTION_DELETE) {
$uri = TIP::modifyActionUri(null, null, null, array('process' => 1));
$group[] =& $this->_createElement('link', 'delete', array('href' => $uri));
}
if ($buttons & TIP_FORM_BUTTON_CANCEL) {
$group[] =& $this->_createElement('link', 'cancel', array('href' => $this->referer));
}
if ($buttons & TIP_FORM_BUTTON_CLOSE) {
$group[] =& $this->_createElement('link', 'close', array('href' => $this->follower));
}
if ($buttons & TIP_FORM_BUTTON_DELETE && $this->action_id != TIP_FORM_ACTION_DELETE) {
$data =& $this->master->getProperty('data');
$primary_key = $data->getProperty('primary_key');
$uri = TIP::buildActionUri($this->id, 'delete', $this->_form->getElementValue($primary_key));
$group[] =& $this->_createElement('link', 'delete', array('href' => $uri));
}
// Append the group of buttons to the form
$this->_form->addElement('group', 'buttons', null, $group, ' ', false);
}
/**
* Remove all comments linked to a master row
*
* @param array &$row The subject row
* @param array|null $old_row The old row or null on no old row
* @return bool true on success or false on error
*/
public function _onMasterDelete(&$row, $old_row)
{
$data =& $this->getProperty('data');
$master_data =& $this->master->getProperty('data');
$primary_key = $master_data->getProperty('primary_key');
if (!isset($row[$primary_key])) {
return false;
}
$filter = $data->filter($this->parent_field, $row[$primary_key]);
return $data->deleteRows($filter);
}
private function _render()
{
if (!empty($this->_tree)) {
return true;
}
$filter = $this->master->getProperty('data')->order($this->date_field);
if (is_null($view =& $this->master->startDataView($filter))) {
return false;
}
$rows =& $view->getProperty('rows');
if (empty($rows)) {
$this->_tree = array();
$this->master->endView();
return true;
}
$tree =& $this->_tree;
foreach ($rows as $id => &$row) {
$action = str_replace('-id-', $id, $this->action);
$row['url'] = TIP::buildActionUriFromTag($action, (string) $this->master);
$row['title'] = $this->_renderField($this->title_field, $row);
// Suppose the date is in SQL format
$date = $row[$this->date_field];
list($y, $m, $day) = sscanf($date, "%d-%d-%d");
// Compute the year
$year = sprintf('%04d', $y);
if (!array_key_exists($year, $tree)) {
$tree[$year] = array('title' => $year, 'url' => TIP::modifyActionUri(null, null, null, array($this->id => $year)), 'sub' => array(), 'ITEMS' => 0);
isset($this->count_field) && ($tree[$year]['COUNT'] = 0);
}
++$tree[$year]['ITEMS'];
isset($this->count_field) && ($tree[$year]['COUNT'] += $row[$this->count_field]);
// Compute the month
$months =& $tree[$year]['sub'];
$month = strftime('%B', mktime(0, 0, 0, $m, $day, $year));
$month_id = $year . sprintf('%02d', $m);
if (!array_key_exists($month_id, $months)) {
$months[$month_id] = array('title' => $month, 'url' => TIP::modifyActionUri(null, null, null, array($this->id => $month_id)), 'sub' => array(), 'ITEMS' => 0);
isset($this->count_field) && ($months[$month_id]['COUNT'] = 0);
}
++$months[$month_id]['ITEMS'];
isset($this->count_field) && ($months[$month_id]['COUNT'] += $row[$this->count_field]);
$months[$month_id]['sub'][$id] =& $row;
isset($this->count_field) && ($row['COUNT'] = $row[$this->count_field]);
}
return true;
}
/**
* Update the history on a master row deletion
*
* Updates the linked list by skipping the deleted history row
* before deleting the row itsself.
*/
public function _onMasterDelete(&$row, $old_row)
{
$master_data =& $this->master->getProperty('data');
$id = $row[$master_data->getProperty('primary_key')];
$engine =& $this->data->getProperty('engine');
$query = $this->data->rowFilter($id);
// Start the transaction here to avoid race conditions
if (!$engine->startTransaction()) {
// This error must be caught here to avoid the rollback
return false;
}
// Get the current version row
if (!($view =& $this->startDataView($query))) {
$engine->endTransaction(false);
return false;
}
$current_row = $view->current();
$this->endView();
if (empty($current_row)) {
// No history found: return operation done (just in case...)
return $engine->endTransaction(true);
}
// Get the previous version row
$query = $this->data->filter($this->next_field, $id);
if (!($view =& $this->startDataView($query))) {
$engine->endTransaction(false);
TIP::warning("no row to delete ({$id})");
TIP::notifyError('notfound');
return false;
}
$previous_row = $view->current();
$this->endView();
// Perform the operations
$done = $this->data->deleteRow($id);
if ($done && is_array($previous_row)) {
// Update the next_field of previous_row
$new_previous_row = $previous_row;
$new_previous_row[$this->next_field] = $current_row[$this->next_field];
$done = $this->data->updateRow($new_previous_row, $previous_row);
}
// Close the transaction
$done = $engine->endTransaction($done) && $done;
return $done;
}
public function _onMasterEdit(&$row, &$old_row)
{
if (is_array($old_row)) {
// Check for the public flag
$public = $this->master->getProperty('public_field');
$old_public = !isset($public, $old_row[$public]) || $old_row[$public] == 'yes';
$new_public = isset($row, $row[$public]) ? $row[$public] == 'yes' : $old_public;
// Check for the parent
$parent = $this->master_field;
$old_parent = @$old_row[$parent];
$new_parent = isset($row[$parent]) ? $row[$parent] : $old_parent;
// If something rilevant has changed, update the counters
if ($old_public != $new_public || $old_parent != $new_parent) {
$old_public && $this->_updateCount($old_parent, -1);
$new_public && $this->_updateCount($new_parent, +1);
}
}
return true;
}