Simple FLOW3 controller

Fluid form

{namespace monitoring=Cobweb\Monitoring\ViewHelpers}

<f:layout name="Default" />

<f:section name="Title"><f:translate id="instance.groups" /></f:section>

<f:section name="Content">
	<h2><f:translate id="create.new.instance.group" /></h2>

	<f:form action="create" name="newInstanceGroup">
		<div class="control-group {monitoring:hasError(for: 'name')}">
			<label class="control-label"><f:translate id="name" /></label>
			<div class="controls">
				<f:form.textfield property="name" class="focus" />
				<span class="help-inline">
					<f:form.validationResults for="name">
						<f:if condition="{validationResults.flattenedErrors}">
							<ul class="errors">
								<f:for each="{validationResults.errors}" as="error">
									{error}<br />
								</f:for>
							</ul>
						</f:if>
					</f:form.validationResults>
				</span>
			</div>
		</div>

		<div class="form-actions">
			<f:form.button type="submit" class="btn btn-inverse"><f:translate package="TYPO3.FLOW3" id="submit" /></f:form.button>
			<f:link.action action="index" class="btn btn-danger"><f:translate id="cancel" /></f:link.action>
		</div>
	</f:form>
</f:section>

InstanceGroupController.php

<?php
namespace Cobweb\Monitoring\Controller;

/*                                                                        *
 * This script belongs to the FLOW3 package "Cobweb.Monitoring".          *
 *                                                                        *
 *                                                                        */

use TYPO3\FLOW3\Annotations as FLOW3;

use TYPO3\FLOW3\Mvc\Controller\ActionController;
use \Cobweb\Monitoring\Domain\Model\InstanceGroup;

/**
 * InstanceGroup controller for the Cobweb.Monitoring package
 *
 * @FLOW3\Scope("singleton")
 */
class InstanceGroupController extends ActionController {

	/**
	 * @FLOW3\Inject
	 * @var \Cobweb\Monitoring\Domain\Repository\InstanceGroupRepository
	 */
	protected $instanceGroupRepository;

	/**
	 * @var \TYPO3\FLOW3\I18n\Translator
	 * @FLOW3\Inject
	 */
	protected $translator;

	/**
	 * Shows a list of instance groups
	 *
	 * @return void
	 */
	public function indexAction() {
		$this->view->assign('instanceGroups', $this->instanceGroupRepository->findAll());
	}

	/**
	 * Shows a form for creating a new instance group object
	 *
	 * @return void
	 */
	public function newAction() {
	}

	/**
	 * Adds the given new instance group object to the instance group repository
	 *
	 * @param \Cobweb\Monitoring\Domain\Model\InstanceGroup $newInstanceGroup A new instance group to add
	 * @return void
	 */
	public function createAction(\Cobweb\Monitoring\Domain\Model\InstanceGroup $newInstanceGroup) {
		$this->instanceGroupRepository->add($newInstanceGroup);
		$this->addFlashMessage(
			$this->translator->translateById('instance.group.created')
		);
		$this->redirect('index');
	}

	/**
	 * Shows a form for editing an existing instance group object
	 *
	 * @param \Cobweb\Monitoring\Domain\Model\InstanceGroup $instanceGroup The instance group to edit
	 * @return void
	 */
	public function editAction(InstanceGroup $instanceGroup) {
		$this->view->assign('instanceGroup', $instanceGroup);
	}

	/**
	 * Updates the given instance group object
	 *
	 * @param \Cobweb\Monitoring\Domain\Model\InstanceGroup $instanceGroup The instance group to update
	 * @return void
	 */
	public function updateAction(InstanceGroup $instanceGroup) {
		$this->instanceGroupRepository->update($instanceGroup);
		$this->addFlashMessage('Updated the instance group.');
		$this->redirect('index');
	}

	/**
	 * Removes the given instance group object from the instance group repository
	 *
	 * @param \Cobweb\Monitoring\Domain\Model\InstanceGroup $instanceGroup The instance group to delete
	 * @return void
	 */
	public function deleteAction(InstanceGroup $instanceGroup) {
		$this->instanceGroupRepository->remove($instanceGroup);
		$this->addFlashMessage('Deleted a instance group.');
		$this->redirect('index');
	}

	/**
	 * Overrides getErrorFlashMessage to present nice flash error messages.
	 *
	 * @return \TYPO3\FLOW3\Error\Message
	 */
	protected function getErrorFlashMessage() {
		switch ($this->actionMethodName) {
			case 'createAction' :
				return new \TYPO3\FLOW3\Error\Error(
					$this->translator->translateById('instance.group.not.created')
				);
			case 'updateAction' :
				return new \TYPO3\FLOW3\Error\Error(
					$this->translator->translateById('instance.group.not.updated')
				);
			default :
				return parent::getErrorFlashMessage();
		}
	}

}

?>

Model InstanceGroup.php

<?php
namespace Cobweb\Monitoring\Domain\Model;

/*                                                                        *
 * This script belongs to the FLOW3 package "Cobweb.Monitoring".          *
 *                                                                        *
 *                                                                        */

use TYPO3\FLOW3\Annotations as FLOW3;
use Doctrine\ORM\Mapping as ORM;

/**
 * A Instance group
 *
 * @FLOW3\Entity
 */
class InstanceGroup {

	/**
	 * The name
	 * @var string
	 * @FLOW3\Validate(type="StringLength", options={ "minimum"=3, "maximum"=255 })
	 */
	protected $name;

	/**
	 * The instances contained in this group
	 *
	 * @var \Doctrine\Common\Collections\Collection<\Cobweb\Monitoring\Domain\Model\Instance>
	 * @ORM\OneToMany(mappedBy="groupMembership")
	 * @ORM\OrderBy({"name" = "ASC"})
	 */
	protected $instances;


	/**
	 * Get the Instance group's name
	 *
	 * @return string The Instance group's name
	 */
	public function getName() {
		return $this->name;
	}

	/**
	 * Sets this Instance group's name
	 *
	 * @param string $name The Instance group's name
	 * @return void
	 */
	public function setName($name) {
		$this->name = $name;
	}

	/**
	 * Adds an instance to this group
	 *
	 * @param \Cobweb\Monitoring\Domain\Model\Instance $instance
	 * @return void
	 */
	public function addInstance(\Cobweb\Monitoring\Domain\Model\Instance $instance) {
		$instance->setGroupMembership($this);
		$this->instances->add($instance);
	}

	/**
	 * Removes an instance from this group
	 *
	 * @param \Cobweb\Monitoring\Domain\Model\Instance $instance
	 * @return \Cobweb\Monitoring\Domain\Model\Instance
	 */
	public function removeInstance(\Cobweb\Monitoring\Domain\Model\Instance $instance) {
		$this->instances->removeElement($instance);
	}

	/**
	 * Returns all instances in this group
	 *
	 * @return \Doctrine\Common\Collections\Collection<\Cobweb\Monitoring\Domain\Model\Instance> The instances in this group
	 */
	public function getInstances() {
		return $this->instances;
	}

}
?>