<?php

class Activity extends Page {

static $icon = "activities/images/activity";
static $db = array(
);
static $has_many = array(
'ActivityPhotos' => 'ActivityPhoto',
'Projects' => 'Project'
);

function getCMSFields() {

$fields = parent::getCMSFields();
$manager = new ImageDataObjectManager(
$this,
'ActivityPhotos',
'ActivityPhoto',
'Photo',
array('Title' => 'Title'),
'getCMSFields_forPopup'
);

$manager->setFilter('ProjectID', 'Choose Project Code', $this->Projects()->toDropdownMap('ID', 'Code'));
$items = new DataObjectManager(
$this,
'Projects',
'Project'
);
$fields->addFieldsToTab("Root.Content.Projects", $items);
$fields->addFieldToTab("Root.Content.Activity", $manager);
$fields->removeFieldFromTab("Root.Content", 'Photo');

if ($this->Projects()->Count() > 0)
$this->ActivityPhotos()->filter = "ProjectID_" . $this->Projects()->First()->ID;
$manager->setAddTitle("Photos to " . $this->CurrentProjectCode());
$manager->filter_empty_string = false;
return $fields;
}

function getProjectID() {
return str_replace("ProjectID_", "", $this->ActivityPhotos()->filter);
}

function CurrentProjectCode() {
return DataObject::get_one("Project", $this->getProjectID())->Code;
}

}

class Activity_Controller extends Page_Controller {

}

?>