public function select_items()
{
$flash = Flash::Instance();
$s_data = array();
$params['options']['parent_id'] = $this->_templateobject->getDisplayFieldNames();
// so set context from calling module
if (isset($this->_data['parent_id'])) {
$s_data['parent_id'] = $this->_data['parent_id'];
} elseif (!isset($this->_data['Search']['parent_id'])) {
$s_data['parent_id'] = NULL;
}
$params['type'] = $this->module;
parent::setSearch('SelectorItemSearch', 'useDefault', $s_data, $params);
// load the default display fields into the session, we need these as we cannot rely on getting the headings from the data itself
$_SESSION['selected_items']['headings'] = $this->_templateobject->getDisplayFieldNames();
$this->_templateobject->idField = 'id';
$this->_templateobject->orderby = $this->itemFields;
$collection = new SelectorCollection($this->_templateobject);
$collection->setTableName($collection->setOverview());
$sh = $this->setSearchHandler($collection);
if (!isset($this->_data['orderby']) && !isset($this->_data['page'])) {
$sh->addConstraint(SelectorCollection::getItemHierarchy($this->module, $this->search->getValue('parent_id')));
}
// get list of items matching search criteria
parent::index($collection, $sh);
// construct and set link
foreach ($this->_modules as $key => $value) {
$modules[] = $key . '=' . $value;
}
$link = implode('&', $modules) . '&controller=' . $this->name . '&action=selected_items';
$this->view->set('link', $link);
// get the list of selected targets
// - if target supplied on input, use that
// - otherwise use the saved session
if (isset($this->_data['target_id']) && !isset($this->_data['page'])) {
$this->_data['selected_targets'][] = $this->_data['target_id'];
$_SESSION['selected_items']['data'] = $_SESSION['selected_targets']['data'] = $selected_targets = '';
} else {
$selected_targets = empty($_SESSION['selected_targets']['data']) ? array() : $_SESSION['selected_targets']['data'];
}
if (empty($selected_targets)) {
if (!isset($this->_data['selected_targets']) || count($this->_data['selected_targets']) <= 0) {
// no target set on input or in saved session - so start from scratch!
$selected_targets = $_SESSION['selected_targets']['data'] = array();
} else {
// target must have been set on input so get the target details and save to session
$_SESSION['selected_targets'] = array();
$selected_target_name = $this->targetModel . 'Collection';
$target = new $this->targetModel();
$idField = $target->idField;
$targets = new $selected_target_name($target);
$sh = new SearchHandler($targets);
$sh->addConstraint(new Constraint($idField, 'IN', '(' . implode(',', $this->_data['selected_targets']) . ')'));
$rows = $targets->load($sh, null, RETURN_ROWS);
foreach ($rows as $data) {
$selected_targets[$data[$idField]] = $data;
}
$_SESSION['selected_targets']['data'] = $selected_targets;
$target_headings = $target->getDisplayFieldNames();
foreach ($this->targetFields as $fieldname) {
$selected_target_headings[$fieldname] = $target_headings[$fieldname];
}
$_SESSION['selected_targets']['headings'] = $selected_target_headings;
}
}
$this->view->set('selected_targets', $selected_targets);
$this->view->set('current_targets_headings', $_SESSION['selected_targets']['headings']);
// get list of selected items
if (!empty($selected_targets) && empty($_SESSION['selected_items']['data'])) {
// targets are defined but no items, so get the items associated with the targets
$item_link = new DataObject($this->linkTableName);
$item_link->idField = 'item_id';
$cc = new ConstraintChain();
$cc->add(new Constraint('target_id', 'IN', '(' . implode(',', array_keys($selected_targets)) . ')'));
$item_ids = $item_link->getAll($cc);
$item = new SelectorObject($this->itemTableName);
$item->setDefaultDisplayFields($this->itemFields);
$item->idField = 'id';
$item->orderby = $this->itemFields;
$items = new SelectorCollection($item);
$items->setTableName($items->setOverview());
$sh = new SearchHandler($items);
if (count($item_ids) > 0) {
$sh->addConstraint(new Constraint($item->idField, 'IN', '(' . implode(',', array_keys($item_ids)) . ')'));
} else {
$sh->addConstraint(new Constraint($item->idField, '=', -1));
}
$rows = $items->load($sh, null, RETURN_ROWS);
if (count($rows) > 0) {
foreach ($rows as $data) {
$_SESSION['selected_items']['data'][$data['id']] = $data;
}
} else {
$_SESSION['selected_items']['data'] = array();
}
}
// get and set variables
$selected_items = $_SESSION['selected_items']['data'];
$selected_item_headings = empty($_SESSION['selected_items']['headings']) ? array() : $_SESSION['selected_items']['headings'];
$this->view->set('selected_items', $selected_items);
$this->view->set('selected_item_headings', $selected_item_headings);
$this->view->set('selected_item_headings_count', count($selected_item_headings) + 1);
$this->view->set('title', $this->title);
$this->view->set('page_title', $this->getPageName('Select Items'));
$this->printaction = '';
}
