public function Field($properties = array())
{
Requirements::javascript(THIRDPARTY_DIR . '/jquery/jquery.js');
Requirements::javascript(THIRDPARTY_DIR . '/jquery-entwine/dist/jquery.entwine-dist.js');
Requirements::javascript(DYNAMICLIST_MODULE . '/javascript/DependentDynamicListDropdownField.js');
$listItems = array();
if (is_string($this->dependentLists)) {
$list = DynamicList::get_dynamic_list($this->dependentLists);
if ($list) {
$this->dependentLists = $list->Items()->map('Title', 'Title')->toArray();
}
}
if (!is_array($this->dependentLists)) {
$this->dependentLists = array();
}
foreach ($this->dependentLists as $k => $v) {
$list = DynamicList::get_dynamic_list($k);
if ($list) {
$listItems[$k] = $list->Items()->map('Title', 'Title')->toArray();
}
}
$this->setAttribute('data-listoptions', Convert::raw2json($listItems));
$this->setAttribute('data-dependentOn', $this->dependentOn);
if ($this->value) {
$this->setAttribute('data-initialvalue', $this->value);
}
return parent::Field();
}
function __construct($name, $title = null, $source = null, $value = "", $form = null, $emptyString = null)
{
if (!$source) {
$source = array();
}
if (is_string($source)) {
// it should be the name of a list, lets get all its contents
$dynamicList = DynamicList::get_dynamic_list($source);
$source = array();
if ($dynamicList) {
$items = $dynamicList->Items();
foreach ($items as $item) {
$source[$item->Title] = $item->Title;
}
}
}
$this->addExtraClass('dropdown');
parent::__construct($name, $title, $source, $value, $form, $emptyString);
}
protected function processRecord($record, $columnMap, &$results, $preview = false)
{
$class = $this->objectClass;
$title = trim($record['Title']);
$item = trim($record['ListItem']);
$existingList = DynamicList::get_dynamic_list($title);
if (!$existingList) {
$existingList = new DynamicList();
$existingList->Title = $title;
$existingList->write();
}
// now add the item to that list
$existingItem = DataObject::get_one('DynamicListItem', '"Title"=\'' . Convert::raw2sql($item) . '\' AND "ListID" = ' . (int) $existingList->ID);
if (!$existingItem) {
$existingItem = new DynamicListItem();
$existingItem->Title = $item;
$existingItem->ListID = $existingList->ID;
$existingItem->write();
}
}
function getFormField()
{
$sourceList = $this->getSetting('SourceList') ? $this->getSetting('SourceList') : null;
// first off lets go and output all the options we need
$fields = $this->Parent()->Fields();
$source = null;
foreach ($fields as $field) {
if ($field->Name == $sourceList) {
$source = $field;
break;
}
}
$optionLists = array();
if ($source) {
// all our potential lists come from the source list's dynamic list source, so we need to go load that
// first, then iterate it and build all the additional required lists
$sourceList = DynamicList::get_dynamic_list($source->getSetting('ListTitle'));
if ($sourceList) {
$items = $sourceList->Items();
// now lets create a bunch of option fields
foreach ($items as $sourceItem) {
// now get the dynamic list that is represented by this one
$list = DynamicList::get_dynamic_list($sourceItem->Title);
if ($list) {
$optionLists[$sourceItem->Title] = $sourceItem->Title;
}
}
}
if (count($optionLists)) {
return new DependentDynamicListDropdownField($this->Name, $this->Title, $optionLists, $source->Name);
} else {
return new DropdownField($this->Name, $this->Title, array());
}
}
// return a new list
return new LiteralField($this->Name);
}
/**
* Override method for validation to use dynamic list based off the
* parent's value. Overridden due to null source.
* @param type $validator
* @return bool
*/
public function validate($validator)
{
// Source isn't pulled in correctly and we're going to rectify this
// later on, so this can be an empty array for now.
$source = array();
$disabled = $this->getDisabledItems();
// Grab the parent list we're trying to validate against first so we can refer to it.
$parentListName = $this->getForm()->Fields()->fieldByName($this->dependentOn)->value;
// Use the items from the Dynamic list as the "source" for validation purposes
$parentList = DynamicList::get_dynamic_list($parentListName);
if ($parentList) {
$source = $parentList->Items()->map('Title', 'Title')->toArray();
}
// Carry on as normal validating against our new source!
// Since there's no data if the list doesn't exist, then of course it will fail
if (!array_key_exists($this->value, $source) || in_array($this->value, $disabled)) {
if ($this->getHasEmptyDefault() && !$this->value) {
return true;
}
$validator->validationError($this->name, _t('DropdownField.SOURCE_VALIDATION', "Please select a value within the list provided. {value} is not a valid option", array('value' => $this->value)), "validation");
return false;
}
return true;
}
