Using dataPersistor to get Form data, thought you're using getSession
$data = $this->getSession()->getFormData();
Save action
<?php
namespace Vendor\Module\Controller\Adminhtml\Scheduler;
use Magento\Framework\Exception\LocalizedException;
class Save extends \Magento\Backend\App\Action
{
protected $dataPersistor;
/**
* @param \Magento\Backend\App\Action\Context $context
* @param \Magento\Framework\App\Request\DataPersistorInterface $dataPersistor
*/
public function __construct(
\Magento\Backend\App\Action\Context $context,
\Magento\Framework\App\Request\DataPersistorInterface $dataPersistor
) {
$this->dataPersistor = $dataPersistor;
parent::__construct($context);
}
/**
* Save actionSave action
*
* @return \Magento\Framework\Controller\ResultInterface
*/
public function execute()
{
/** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
$resultRedirect = $this->resultRedirectFactory->create();
$data = $this->getRequest()->getPostValue();
if ($data) {
$id = $this->getRequest()->getParam('scheduler_id');
$model = $this->_objectManager->create('Vendor\Module\Model\Scheduler')->load($id);
if (!$model->getId() && $id) {
$this->messageManager->addErrorMessage(__('This Scheduler no longer exists.'));
return $resultRedirect->setPath('*/*/');
}
$model->setData($data);
try {
$model->save();
$this->messageManager->addSuccessMessage(__('You saved the Scheduler.'));
$this->dataPersistor->clear('engraving_scheduler');
if ($this->getRequest()->getParam('back')) {
return $resultRedirect->setPath('*/*/edit', ['scheduler_id' => $model->getId()]);
}
return $resultRedirect->setPath('*/*/');
} catch (LocalizedException $e) {
$this->messageManager->addErrorMessage($e->getMessage());
} catch (\Exception $e) {
$this->messageManager->addExceptionMessage($e, __('Something went wrong while saving the Scheduler.'));
}
$this->dataPersistor->set('engraving_scheduler', $data);
return $resultRedirect->setPath('*/*/edit', ['scheduler_id' => $this->getRequest()->getParam('scheduler_id')]);
}
return $resultRedirect->setPath('*/*/');
}
}
DataProvider
<?php
namespace Vendor\Module\Model\Scheduler;
use Vendor\Module\Model\ResourceModel\Scheduler\CollectionFactory;
use Magento\Framework\App\Request\DataPersistorInterface;
class DataProvider extends \Magento\Ui\DataProvider\AbstractDataProvider
{
protected $dataPersistor;
protected $loadedData;
protected $collection;
/**
* Constructor
*
* @param string $name
* @param string $primaryFieldName
* @param string $requestFieldName
* @param CollectionFactory $collectionFactory
* @param DataPersistorInterface $dataPersistor
* @param array $meta
* @param array $data
*/
public function __construct(
$name,
$primaryFieldName,
$requestFieldName,
CollectionFactory $collectionFactory,
DataPersistorInterface $dataPersistor,
array $meta = [],
array $data = []
) {
$this->collection = $collectionFactory->create();
$this->dataPersistor = $dataPersistor;
parent::__construct($name, $primaryFieldName, $requestFieldName, $meta, $data);
}
/**
* Get data
*
* @return array
*/
public function getData()
{
if (isset($this->loadedData)) {
return $this->loadedData;
}
$items = $this->collection->getItems();
foreach ($items as $model) {
$this->loadedData[$model->getId()] = $model->getData();
}
$data = $this->dataPersistor->get('engraving_scheduler');
if (!empty($data)) {
$model = $this->collection->getNewEmptyItem();
$model->setData($data);
$this->loadedData[$model->getId()] = $model->getData();
$this->dataPersistor->clear('engraving_scheduler');
}
return $this->loadedData;
}
}
ui form xml
<?xml version="1.0" ?>
<form xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
<argument name="data" xsi:type="array">
<item name="js_config" xsi:type="array">
<item name="provider" xsi:type="string">engraving_scheduler_form.scheduler_form_data_source</item>
<item name="deps" xsi:type="string">engraving_scheduler_form.scheduler_form_data_source</item>
</item>
<item name="label" translate="true" xsi:type="string">General Information</item>
<item name="config" xsi:type="array">
<item name="dataScope" xsi:type="string">data</item>
<item name="namespace" xsi:type="string">engraving_scheduler_form</item>
</item>
<item name="template" xsi:type="string">templates/form/collapsible</item>
<item name="buttons" xsi:type="array">
<item name="back" xsi:type="string">Vendor\Module\Block\Adminhtml\Scheduler\Edit\BackButton</item>
<item name="delete" xsi:type="string">Vendor\Module\Block\Adminhtml\Scheduler\Edit\DeleteButton</item>
<item name="save" xsi:type="string">Vendor\Module\Block\Adminhtml\Scheduler\Edit\SaveButton</item>
<item name="save_and_continue" xsi:type="string">Vendor\Module\Block\Adminhtml\Scheduler\Edit\SaveAndContinueButton</item>
</item>
</argument>
<dataSource name="scheduler_form_data_source">
<argument name="dataProvider" xsi:type="configurableObject">
<argument name="class" xsi:type="string">Vendor\Module\Model\Scheduler\DataProvider</argument>
<argument name="name" xsi:type="string">scheduler_form_data_source</argument>
<argument name="primaryFieldName" xsi:type="string">scheduler_id</argument>
<argument name="requestFieldName" xsi:type="string">scheduler_id</argument>
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="submit_url" path="*/*/save" xsi:type="url"/>
</item>
</argument>
</argument>
<argument name="data" xsi:type="array">
<item name="js_config" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/form/provider</item>
</item>
</argument>
</dataSource>
<fieldset name="General">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="label" xsi:type="string"/>
</item>
</argument>
<field name="label">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="dataType" xsi:type="string">text</item>
<item name="label" translate="true" xsi:type="string">Title</item>
<item name="formElement" xsi:type="string">input</item>
<item name="source" xsi:type="string">Scheduler</item>
<item name="sortOrder" xsi:type="number">10</item>
<item name="dataScope" xsi:type="string">label</item>
<item name="validation" xsi:type="array">
<item name="required-entry" xsi:type="boolean">true</item>
</item>
</item>
</argument>
</field>
</fieldset>
</form>
My main problem that DataProvider::getData() function weren't executed was because it didn't know which row to populate. When I added /settings_id/1/ into an url then this function was called.
And return value should be set like this:
return [1 => ['settings' => $item]]
where
[$selectedId => [$fieldsetName => $ArrayOfitemValues]]
I hope it helps somebody.
Best Answer
For this, Your Data Provider should be like
And create Your DataProvider.php In Model Directory like Model/DataProvider.php
You will see the form then.