public function testLoadDataFromObject()
{
$article = $this->objFromFixture('CheckboxSetFieldTest_Article', 'articlewithouttags');
$articleWithTags = $this->objFromFixture('CheckboxSetFieldTest_Article', 'articlewithtags');
$tag1 = $this->objFromFixture('CheckboxSetFieldTest_Tag', 'tag1');
$tag2 = $this->objFromFixture('CheckboxSetFieldTest_Tag', 'tag2');
$field = new CheckboxSetField("Tags", "Test field", DataObject::get("CheckboxSetFieldTest_Tag")->map());
$form = new Form(new Controller(), 'Form', new FieldList($field), new FieldList());
$form->loadDataFrom($articleWithTags);
$this->assertEquals(array($tag1->ID => $tag1->ID, $tag2->ID => $tag2->ID), $field->Value(), 'CheckboxSetField loads data from a manymany relationship in an object through Form->loadDataFrom()');
}
/**
* Allows you to set groups based on a CheckboxSetField
*
* Pass the form element from your post data directly to this method, and
* it will update the groups and add and remove the member as appropriate.
*
* On the form setup:
*
* <code>
* $fields->push(
* new CheckboxSetField(
* "NewsletterSubscriptions",
* "Receive email notification of events in ",
* $sourceitems = DataObject::get("NewsletterType")->toDropDownMap("GroupID","Title"),
* $selectedgroups = $member->Groups()->Map("ID","ID")
* )
* );
* </code>
*
* On the form handler:
*
* <code>
* $groups = $member->Groups();
* $checkboxfield = $form->Fields()->fieldByName("NewsletterSubscriptions");
* $groups->setByCheckboxSetField($checkboxfield);
* </code>
*
* @param CheckboxSetField $checkboxsetfield The CheckboxSetField (with
* data) from your form.
*/
function setByCheckboxSetField(CheckboxSetField $checkboxsetfield)
{
// Get the values from the formfield.
$values = $checkboxsetfield->Value();
$sourceItems = $checkboxsetfield->getSource();
if ($sourceItems) {
// If (some) values are present, add and remove as necessary.
if ($values) {
// update the groups based on the selections
foreach ($sourceItems as $k => $item) {
if (in_array($k, $values)) {
$add[] = $k;
} else {
$remove[] = $k;
}
}
// else we should be removing all from the necessary groups.
} else {
$remove = array_keys($sourceItems);
}
if ($add) {
$this->addManyByGroupID($add);
}
if ($remove) {
$this->RemoveManyByGroupID($remove);
}
} else {
USER_ERROR("Member::setByCheckboxSetField() - No source items could be found for checkboxsetfield " . $checkboxsetfield->Name(), E_USER_WARNING);
}
}
