magento 2 admin side image upload and edit operation

Hello. Here I display image and text upload to admin side. Also update image and content by admin. Here I display its file and folder structure.

 

Here its screenshots for better understanding.

 

Here its code.

Chirag->Banner->registration.php

<?php
\Magento\Framework\Component\ComponentRegistrar::register(
    \Magento\Framework\Component\ComponentRegistrar::MODULE,
    'Chirag_Banner',
    __DIR__
);

?>

etc->di.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/ObjectManager/etc/config.xsd">
    <type name="Magento\Framework\View\Element\UiComponent\DataProvider\CollectionFactory">
        <arguments>
            <argument name="collections" xsi:type="array">
                <item name="chirag_banner_post_listing_data_source" xsi:type="string">Chirag\Banner\Model\ResourceModel\Post\Grid\Collection</item>
            </argument>
        </arguments>
    </type>
    <virtualType name="Chirag\Banner\Model\ResourceModel\Post\Grid\Collection" type="Magento\Framework\View\Element\UiComponent\DataProvider\SearchResult">
        <arguments>
            <argument name="mainTable" xsi:type="string">chirag_banner_table</argument>
            <argument name="resourceModel" xsi:type="string">Chirag\Banner\Model\ResourceModel\Post</argument>
        </arguments>
    </virtualType>
</config>

etc->module.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
    <module name="Chirag_Banner" setup_version="1.0.1" />
</config>

etc->adminhtml->menu.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../Backend/etc/menu.xsd">
    <menu>
        <add id="chirag_banner::core" title="Banner Create" module="Chirag_Banner" sortOrder="40" resource="Chirag_Banner::sample"/>
        <add id="chirag_banner::test" title="Upload Banner" module="Chirag_Banner" sortOrder="10" parent="chirag_banner::core" action="chirag_banner/post/" resource="Chirag_Banner::post"/>
    </menu>
</config>

etc->adminhtml->routes.xml
<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../lib/internal/Magento/Framework/App/etc/routes.xsd">
    <router id="admin">
        <route id="chirag_banner" frontName="chirag_banner">
            <module name="Chirag_Banner" />
        </route>
    </router>
</config>

Setup->InstallSchema.php

<?php
namespace Chirag\Banner\Setup;

use Magento\Framework\Setup\InstallSchemaInterface;
use Magento\Framework\Setup\ModuleContextInterface;
use Magento\Framework\Setup\SchemaSetupInterface;

/**
 * @codeCoverageIgnore
 */
class InstallSchema implements InstallSchemaInterface
{
    /**
     * {@inheritdoc}
     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
     */
    public function install(SchemaSetupInterface $setup, ModuleContextInterface $context)
    {
        $installer = $setup;
        $installer->startSetup();

        /**
         * Creating table chirag_banner_table
         */
        $table = $installer->getConnection()->newTable(
            $installer->getTable('chirag_banner_table')
        )->addColumn(
            'banner_id',
            \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
            null,
            ['identity' => true, 'unsigned' => true, 'nullable' => false, 'primary' => true],
            'Banner Id'
        )->addColumn(
            'imagename',
            \Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
            255,
            ['nullable' => false],
            'Image Name'
        )->addColumn(
            'imagepath',
            \Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
            255,
            ['nullable' => false],
            'Image Path'
        )->addColumn(
            'imagedata',
            \Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
            '64k',
            ['nullable' => false],
            'Image Data Content'
        )->addColumn(
            'status',
            \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
            1,
            ['nullable' => true,'default' => 1],
            'Status'
        )->addColumn(
            'created_at',
            \Magento\Framework\DB\Ddl\Table::TYPE_TIMESTAMP,
            null,
            ['nullable' => false],
            'Created At'
        )->addColumn(
            'updated_at',
            \Magento\Framework\DB\Ddl\Table::TYPE_TIMESTAMP,
            null,
            ['nullable' => false],
            'Updated At'
        )->setComment(
            'Chirag Banner Table'
        );
        $installer->getConnection()->createTable($table);
        $installer->endSetup();
    }
}


Ui_Component->Listing->Column->BannerActions.php

<?php
namespace Chirag\Banner\Ui_Component\Listing\Column;

class BannerActions extends \Magento\Ui\Component\Listing\Columns\Column
{
    const URL_PATH_EDIT = 'chirag_banner/post/edit';

    /**
     * URL builder
     *
     * @var \Magento\Framework\UrlInterface
     */
    protected $_urlBuilder;

    /**
     * constructor
     *
     * @param \Magento\Framework\UrlInterface $urlBuilder
     * @param \Magento\Framework\View\Element\UiComponent\ContextInterface $context
     * @param \Magento\Framework\View\Element\UiComponentFactory $uiComponentFactory
     * @param array $components
     * @param array $data
     */
    public function __construct(
        \Magento\Framework\UrlInterface $urlBuilder,
        \Magento\Framework\View\Element\UiComponent\ContextInterface $context,
        \Magento\Framework\View\Element\UiComponentFactory $uiComponentFactory,
        array $components = [],
        array $data = []
    )
    {
        $this->_urlBuilder = $urlBuilder;
        parent::__construct($context, $uiComponentFactory, $components, $data);
    }


    /**
     * Prepare Data Source
     *
     * @param array $dataSource
     * @return array
     */
    public function prepareDataSource(array $dataSource)
    {
        if (isset($dataSource['data']['items'])) {
            foreach ($dataSource['data']['items'] as & $item) {
                //print_r($item);
                $item[$this->getData('name')] = [
                    'edit' => [
                        'href' => $this->_urlBuilder->getUrl(
                            static::URL_PATH_EDIT,
                            [
                                'id' => $item['banner_id']
                            ]
                        ),
                        'label' => __('Edit')
                    ],
                ];
            }
        }
        return $dataSource;
    }
}

Ui_Component->Listing->Column->Thumbnail.php

<?php
namespace Chirag\Banner\Ui_Component\Listing\Column;

use Magento\Framework\View\Element\UiComponentFactory;
use Magento\Framework\View\Element\UiComponent\ContextInterface;

class Thumbnail extends \Magento\Ui\Component\Listing\Columns\Column
{
    const NAME = 'thumbnail';

    const ALT_FIELD = 'name';


    private $_getModel;
    /**
     * @var string
     */
    private $editUrl;

    private $_objectManager = null;

    /**
     * @param ContextInterface $context
     * @param UiComponentFactory $uiComponentFactory
     * @param \Chirag\Banner\Model\ResourceModel\Image $imageHelper
     * @param \Magento\Framework\UrlInterface $urlBuilder
     * @param array $components
     * @param array $data
     */
    public function __construct(
        ContextInterface $context,
        UiComponentFactory $uiComponentFactory,
        \Chirag\Banner\Model\ResourceModel\Image\Image $imageHelper,
        \Magento\Framework\UrlInterface $urlBuilder,
        \Magento\Framework\ObjectManagerInterface $objectManager,
        array $components = [],
        array $data = []
    ) {
        parent::__construct($context, $uiComponentFactory, $components, $data);
        $this->imageHelper = $imageHelper;
        $this->urlBuilder = $urlBuilder;
        //$this->_getModel = $model;
        $this->_objectManager = $objectManager;
    }

    /**
     * Prepare Data Source
     *
     * @param array $dataSource
     * @return array
     */
    public function prepareDataSource(array $dataSource)
    {
        if (isset($dataSource['data']['items'])) {
            $fieldName = $this->getData('name');
            foreach ($dataSource['data']['items'] as & $item) {
                //$filename = 'myimage.png';
                $filename = $item['imagepath'];;
                $item[$fieldName . '_src'] = $this->imageHelper->getBaseUrl().$filename;
                $item[$fieldName . '_alt'] = $this->getAlt($item) ?: $filename;
                $item[$fieldName . '_orig_src'] = $this->imageHelper->getBaseUrl().$filename;
            }
        }

        return $dataSource;
    }
   /**
   * @param array $row
   *
   * @return null|string
   */
 protected function getAlt($row)
 {
   $altField = $this->getData('config/altField') ?: self::ALT_FIELD;
   return isset($row[$altField]) ? $row[$altField] : null;
 }
}
?>

view->adminhtml->layout->chirag_banner_post_index.xml

<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../../lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd">
    <update handle="styles"/>
    <body>
        <referenceContainer name="content">
            <uiComponent name="chirag_banner_post_listing"/>
        </referenceContainer>
    </body>
</page>

view->adminhtml->layout->chirag_banner_post_edit.xml
<?xml version="1.0"?>
<page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" layout="admin-2columns-left" xsi:noNamespaceSchemaLocation="../../../../../../../lib/internal/Magento/Framework/View/Layout/etc/page_configuration.xsd">
    <update handle="editor"/>
    <body>
        <referenceContainer name="left">
            <block class="Chirag\Banner\Block\Adminhtml\Post\Edit\Tabs" name="chirag_banner_post_edit_tabs">
                <block class="Chirag\Banner\Block\Adminhtml\Post\Edit\Tab\Main" name="chirag_banner_post_edit_tab_main"/>
                <action method="addTab">
                    <argument name="name" xsi:type="string">main_section</argument>
                    <argument name="block" xsi:type="string">chirag_banner_post_edit_tab_main</argument>
                </action>
            </block>
        </referenceContainer>
        <referenceContainer name="content">
            <block class="Chirag\Banner\Block\Adminhtml\Post\Edit" name="test_post_edit"/>
        </referenceContainer>
    </body>
</page>
 

view->adminhtml->ui_component->chirag_banner_post_listing.xml

<?xml version="1.0" encoding="UTF-8"?>
<listing xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
    <!-- ... other block of code -->
    <listingToolbar name="listing_top">
        <argument name="data" xsi:type="array">
            <item name="config" xsi:type="array">
                <item name="sticky" xsi:type="boolean">true</item>
            </item>
        </argument>
        <bookmark name="bookmarks"/>
        <columnsControls name="columns_controls"/>
        <filterSearch name="fulltext"/>
        <filters name="listing_filters" />
        <massaction name="listing_massaction">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="component" xsi:type="string">Magento_Ui/js/grid/tree-massactions</item>
                </item>
            </argument>
            <action name="delete">
                <argument name="data" xsi:type="array">
                    <item name="config" xsi:type="array">
                        <item name="type" xsi:type="string">delete</item>
                        <item name="label" xsi:type="string" translate="true">Delete</item>
                        <item name="url" xsi:type="url" path="chirag_banner/post/massDelete"/>
                        <item name="confirm" xsi:type="array">
                            <item name="title" xsi:type="string" translate="true">Delete Post</item>
                            <item name="message" xsi:type="string" translate="true">Are you sure you wan't to delete selected items?</item>
                        </item>
                    </item>
                </argument>
            </action>
        </massaction>
        <paging name="listing_paging"/>
        <exportButton name="export_button"/>

    </listingToolbar>
    <!-- ... other block of code -->


    <argument name="data" xsi:type="array">
        <item name="js_config" xsi:type="array">
            <item name="provider" xsi:type="string">chirag_banner_post_listing.chirag_banner_post_listing_data_source</item>
            <item name="deps" xsi:type="string">chirag_banner_post_listing.chirag_banner_post_listing_data_source</item>
        </item>
        <item name="spinner" xsi:type="string">spinner_columns</item>
        <item name="buttons" xsi:type="array">
            <item name="add" xsi:type="array">
                <item name="name" xsi:type="string">add</item>
                <item name="label" xsi:type="string" translate="true">Add New Post22</item>
                <item name="class" xsi:type="string">primary</item>
                <item name="url" xsi:type="string">*/*/new</item>
            </item>
        </item>
    </argument>
    <dataSource name="nameOfDataSource">
        <argument name="dataProvider" xsi:type="configurableObject">
            <argument name="class" xsi:type="string">Magento\Framework\View\Element\UiComponent\DataProvider\DataProvider</argument>
            <argument name="name" xsi:type="string">chirag_banner_post_listing_data_source</argument>
            <argument name="primaryFieldName" xsi:type="string">banner_id</argument>
            <argument name="requestFieldName" xsi:type="string">id</argument>
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="component" xsi:type="string">Magento_Ui/js/grid/provider</item>
                    <item name="update_url" xsi:type="url" path="mui/index/render"/>
                    <item name="storageConfig" xsi:type="array">
                        <item name="indexField" xsi:type="string">banner_id</item>
                    </item>
                </item>
            </argument>
        </argument>
    </dataSource>
    <columns name="spinner_columns">
        <selectionsColumn name="ids">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="resizeEnabled" xsi:type="boolean">false</item>
                    <item name="resizeDefaultWidth" xsi:type="string">55</item>
                    <item name="indexField" xsi:type="string">banner_id</item>
                </item>
            </argument>
        </selectionsColumn>
        <column name="banner_id">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="filter" xsi:type="string">textRange</item>
                    <item name="sorting" xsi:type="string">asc</item>
                    <item name="label" xsi:type="string" translate="true">ID</item>
                </item>
            </argument>
        </column>
        <column name="imagepath" class="Chirag\Banner\Ui_Component\Listing\Column\Thumbnail">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="component" xsi:type="string">Magento_Ui/js/grid/columns/thumbnail</item>
                    <item name="sortable" xsi:type="boolean">false</item>
                    <item name="altField" xsi:type="string">title</item>
                    <item name="has_preview" xsi:type="string">1</item>
                    <item name="label" xsi:type="string" translate="true">Thumbnail</item>
                </item>
            </argument>
        </column>
        <column name="imagename">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="filter" xsi:type="string">text</item>
                    <item name="editor" xsi:type="array">
                        <item name="editorType" xsi:type="string">text</item>
                        <item name="validation" xsi:type="array">
                            <item name="required-entry" xsi:type="boolean">true</item>
                        </item>
                    </item>
                    <item name="label" xsi:type="string" translate="true">Image Name</item>
                </item>
            </argument>
        </column>
        <column name="imagedata">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="filter" xsi:type="string">text</item>
                    <item name="editor" xsi:type="array">
                        <item name="editorType" xsi:type="string">text</item>
                        <item name="validation" xsi:type="array">
                            <item name="required-entry" xsi:type="boolean">true</item>
                        </item>
                    </item>
                    <item name="label" xsi:type="string" translate="true">Image Description</item>
                </item>
            </argument>
        </column>
        <column name="created_at" class="Magento\Ui\Component\Listing\Columns\Date">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="filter" xsi:type="string">dateRange</item>
                    <item name="component" xsi:type="string">Magento_Ui/js/grid/columns/date</item>
                    <item name="dataType" xsi:type="string">date</item>
                    <item name="label" xsi:type="string" translate="true">Created</item>
                </item>
            </argument>
        </column>
        <column name="updated_at" class="Magento\Ui\Component\Listing\Columns\Date">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="filter" xsi:type="string">dateRange</item>
                    <item name="component" xsi:type="string">Magento_Ui/js/grid/columns/date</item>
                    <item name="dataType" xsi:type="string">date</item>
                    <item name="label" xsi:type="string" translate="true">Modified</item>
                </item>
            </argument>
        </column>
        <actionsColumn name="actions" class="Chirag\Banner\Ui_Component\Listing\Column\BannerActions">
            <argument name="data" xsi:type="array">
                <item name="config" xsi:type="array">
                    <item name="indexField" xsi:type="string">banner_id</item>
                    <item name="urlEntityParamName" xsi:type="string">id</item>
                </item>
            </argument>
        </actionsColumn>
    </columns>
</listing>

Model->Post.php

<?php
namespace Chirag\Banner\Model;

use Magento\Framework\Model\AbstractModel;

class Post extends AbstractModel
{
    /**
     * Define resource model
     */
    protected function _construct()
    {
        $this->_init('Chirag\Banner\Model\ResourceModel\Post');
    }
}
?>

Model->ResourceModel->Post.php

<?php
namespace Chirag\Banner\Model\ResourceModel;

class Post extends \Magento\Framework\Model\ResourceModel\Db\AbstractDb
{
    /**
     * Define main table
     */
    protected function _construct()
    {
        $this->_init('chirag_banner_table', 'banner_id');   //here "chirag_banner_table" is table name and "banner_id" is the primary key of custom table
    }
}

Model->ResourceModel->Image->Image.php

<?php
namespace Chirag\Banner\Model\ResourceModel\Image;
use Magento\Framework\UrlInterface;
use Magento\Framework\Filesystem;
use Magento\Framework\App\Filesystem\DirectoryList;
class Image
{
    /**
     * media sub folder
     * @var string
     */
    //protected $subDir = 'chirag/banner/image';    
    /**
     * url builder
     *
     * @var \Magento\Framework\UrlInterface
     */
    protected $urlBuilder;
    /**
     * @var \Magento\Framework\Filesystem
     */
    protected $fileSystem;
    /**
     * @param UrlInterface $urlBuilder
     * @param Filesystem $fileSystem
     */
    public function __construct(
        UrlInterface $urlBuilder,
        Filesystem $fileSystem
    )
    {
        $this->urlBuilder = $urlBuilder;
        $this->fileSystem = $fileSystem;
    }
    /**
     * get images base url
     *
     * @return string
     */
    public function getBaseUrl()
    {
        //return $this->urlBuilder->getBaseUrl(['_type' => UrlInterface::URL_TYPE_MEDIA]).$this->subDir.'/image/';
        return $this->urlBuilder->getBaseUrl(['_type' => UrlInterface::URL_TYPE_MEDIA]);
    }
}
?>


Model->ResourceModel->Post->Collection.php
<?php
namespace Chirag\Banner\Model\ResourceModel\Post;

class Collection extends \Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection
{
    protected $_idFieldName = 'banner_id';
    /**
     * Define model & resource model
     */
    protected function _construct()
    {
        $this->_init(
            'Chirag\Banner\Model\Post',
            'Chirag\Banner\Model\ResourceModel\Post'
        );
    }
}
?>

Block->Adminhtml->Post.php
<?php
namespace Chirag\Banner\Block\Adminhtml;

class Post extends \Magento\Backend\Block\Widget\Grid\Container
{
    /**
     * Constructor
     *
     * @return void
     */
    protected function _construct()
    {
        $this->_controller = 'post';
        $this->_headerText = __('Post');
        $this->_addButtonLabel = __('Add New Post12345');
        parent::_construct();
    }
}
 

 Block->Adminhtml->Post->Edit.php
<?php
namespace Chirag\Banner\Block\Adminhtml\Post;

class Edit extends \Magento\Backend\Block\Widget\Form\Container
{
    /**
     * Core registry
     *
     * @var \Magento\Framework\Registry
     */
    protected $_coreRegistry = null;

    /**
     * @param \Magento\Backend\Block\Widget\Context $context
     * @param \Magento\Framework\Registry $registry
     * @param array $data
     */
    public function __construct(
        \Magento\Backend\Block\Widget\Context $context,
        \Magento\Framework\Registry $registry,
        array $data = []
    ) {
        $this->_coreRegistry = $registry;
        parent::__construct($context, $data);
    }

    /**
     * Initialize form
     * Add standard buttons
     * Add "Save and Continue" button
     *
     * @return void
     */
    protected function _construct()
    {
        $this->_objectId = 'id';
        $this->_controller = 'adminhtml_post';
        $this->_blockGroup = 'Chirag_Banner';

        parent::_construct();

        $this->buttonList->add(
            'save_and_continue_edit',
            [
                'class' => 'save',
                'label' => __('Save and Continue Edit'),
                'data_attribute' => [
                    'mage-init' => ['button' => ['event' => 'saveAndContinueEdit', 'target' => '#edit_form']],
                ]
            ],
            10
        );
    }

    /**
     * Getter for form header text
     *
     * @return \Magento\Framework\Phrase
     */
    public function getHeaderText()
    {
        $item = $this->_coreRegistry->registry('current_chirag_banner_post');
        if ($item->getId()) {
            return __("Edit Banner '%1'", $this->escapeHtml($item->getImagename()));
        } else {
            return __('New Banner');
        }
    }
}
 
Block->Adminhtml->Post->Edit->Form.php
<?php
namespace Chirag\Banner\Block\Adminhtml\Post\Edit;

class Form extends \Magento\Backend\Block\Widget\Form\Generic
{
    /**
     * Constructor
     *
     * @return void
     */
    protected function _construct()
    {
        parent::_construct();
        $this->setId('banner_post_form');
        $this->setTitle(__('Banner Information'));
    }

    /**
     * Prepare form before rendering HTML
     *
     * @return $this
     */
    protected function _prepareForm()
    {
        /** @var \Magento\Framework\Data\Form $form */
        $form = $this->_formFactory->create(
            [
                'data' => [
                    'id' => 'edit_form',
                    //'action' => $this->getUrl('chirag_events/items/save'),
                    'action' => $this->getUrl('chirag_banner/post/save'),
                    'method' => 'post',
                    'enctype' => 'multipart/form-data'
                ],
            ]
        );
        $form->setUseContainer(true);
        $this->setForm($form);
        return parent::_prepareForm();
    }
}

?>

Block->Adminhtml->Post->Edit->Tabs.php
<?php
namespace Chirag\Banner\Block\Adminhtml\Post\Edit;

class Tabs extends \Magento\Backend\Block\Widget\Tabs
{
    /**
     * Constructor
     *
     * @return void
     */
    protected function _construct()
    {
        parent::_construct();
        $this->setId('chirag_banner_post_edit_tabs');
        $this->setDestElementId('edit_form');
        $this->setTitle(__('Banner'));
    }
}
 
 Block->Adminhtml->Post->Edit->Tab->Main.php
<?php
namespace Chirag\Banner\Block\Adminhtml\Post\Edit\Tab;

use Magento\Backend\Block\Widget\Form\Generic;
use Magento\Backend\Block\Widget\Tab\TabInterface;

class Main extends Generic implements TabInterface
{
    protected $_wysiwygConfig;

    public function __construct(
        \Magento\Backend\Block\Template\Context $context,
        \Magento\Framework\Registry $registry,
        \Magento\Framework\Data\FormFactory $formFactory, 
        \Magento\Cms\Model\Wysiwyg\Config $wysiwygConfig,
        array $data = []
    )
    {
        $this->_wysiwygConfig = $wysiwygConfig;
        parent::__construct($context, $registry, $formFactory, $data);
    }

    /**
     * {@inheritdoc}
     */
    public function getTabLabel()
    {
        return __('Banner Information');
    }

    /**
     * {@inheritdoc}
     */
    public function getTabTitle()
    {
        return __('Banner Information');
    }

    /**
     * {@inheritdoc}
     */
    public function canShowTab()
    {
        return true;
    }

    /**
     * {@inheritdoc}
     */
    public function isHidden()
    {
        return false;
    }
    /*public function myfunction(){
        echo "<script> alert('ram')</script>";
    }*/

    /**
     * Prepare form before rendering HTML
     *
     * @return $this
     * @SuppressWarnings(PHPMD.NPathComplexity)
     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
     */
    protected function _prepareForm()
    {
        $model = $this->_coreRegistry->registry('current_chirag_banner_post');
        /** @var \Magento\Framework\Data\Form $form */
        $form = $this->_formFactory->create();
        $form->setHtmlIdPrefix('banner_');
       
        $dateFormat = $this->_localeDate->getDateFormat(\IntlDateFormatter::SHORT);
        $timeFormat = $this->_localeDate->getTimeFormat(\IntlDateFormatter::SHORT);
       
        $fieldset = $form->addFieldset('base_fieldset', ['legend' => __('Add Banner Data Here')]);
        if ($model->getId()) {
            $fieldset->addField('banner_id', 'hidden', ['name' => 'banner_id']);
        }
        $fieldset->addField(
            'imagename',
            'text',
            ['name' => 'imagename', 'label' => __('Image Name'), 'title' => __('Image Name'), 'required' => true]
        );
        /*$fieldset->addField(
            'imagedata',
            'text',
            ['name' => 'imagedata', 'label' => __('Image Details'), 'title' => __('Image Details'), 'required' => true]
        );*/
        $fieldset->addField(
            'imagedata',
            'editor',
            [
                'name' => 'imagedata',
                'label' => __('Content'),
                'title' => __('Content'),
                'style' => 'height:26em;',
                'required' => true,
                'config'    => $this->_wysiwygConfig->getConfig(),
                'wysiwyg' => true
            ]
        );
        $fieldset->addField(
            'imagepath',
            'image',
            ['name' => 'imagepath', 'label' => __('Image Upload'), 'title' => __('Image Upload'), 'required' => true]
        );
        // $fieldset->addField(
        //     'date',
        //     'date',
        //     ['name' => 'date', 'label' => __('Choose Date'), 'title' => __('Choose Date'), 'required' => true, 'date_format' => $dateFormat]
        // );

        // $fieldset->addField(
        //     'savedata',
        //     'button',
        //     ['name' => 'savedata', 'label' => __('Save Data'), 'title' => __('Save Data'), 'onclick' => 'myfunction()']
        // );
        /* $fieldset->addField(
            'image',
            'image',
            [
                'name' => 'image',
                'label' => __('Image'),
                'title' => __('Image'),
                'required'  => false
            ]
        ); */
        /* $fieldset->addField(
            'status',
            'select',
            ['name' => 'status', 'label' => __('Status'), 'title' => __('Status'),  'options'   => [0 => 'Disable', 1 => 'Enable'], 'required' => true]
        ); */
        /* $fieldset->addField(
            'content',
            'editor',
            [
                'name' => 'content',
                'label' => __('Content'),
                'title' => __('Content'),
                'style' => 'height:26em;',
                'required' => true,
                'config'    => $this->_wysiwygConfig->getConfig(),
                'wysiwyg' => true
            ]
        ); */
       
        $form->setValues($model->getData());
        $this->setForm($form);
        return parent::_prepareForm();
    }
}
 
Controller->Adminhtml->Post.php
<?php
namespace Chirag\Banner\Controller\Adminhtml;

use Magento\Framework\App\Filesystem\DirectoryList;
use Magento\MediaStorage\Model\File\UploaderFactory;
use Magento\Framework\Image\AdapterFactory;
use Magento\Framework\Filesystem;
/**
 * Items controller
 */
abstract class Post extends \Magento\Backend\App\Action
{
    /**
     * Core registry
     *
     * @var \Magento\Framework\Registry
     */
    protected $_coreRegistry;

    /**
     * @var \Magento\Backend\Model\View\Result\ForwardFactory
     */
    protected $resultForwardFactory;

    /**
     * @var \Magento\Framework\View\Result\PageFactory
     */
    protected $resultPageFactory;

    protected $uploaderFactory;
    protected $adapterFactory;
    protected $filesystem;

    /**
     * Initialize Group Controller
     *
     * @param \Magento\Backend\App\Action\Context $context
     * @param \Magento\Framework\Registry $coreRegistry
     * @param \Magento\Backend\Model\View\Result\ForwardFactory $resultForwardFactory
     * @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
     */
    public function __construct(
        \Magento\Backend\App\Action\Context $context,
        \Magento\Framework\Registry $coreRegistry,
        \Magento\Backend\Model\View\Result\ForwardFactory $resultForwardFactory,
        \Magento\Framework\View\Result\PageFactory $resultPageFactory,
        DirectoryList $directoryList,
        UploaderFactory $uploaderFactory,
        AdapterFactory $adapterFactory,
        Filesystem $filesystem,
        \Magento\Framework\Filesystem\Driver\File $file
    ) {
        $this->_coreRegistry = $coreRegistry;
        parent::__construct($context);
        $this->resultForwardFactory = $resultForwardFactory;
        $this->resultPageFactory = $resultPageFactory;
        $this->directoryList = $directoryList;
        $this->uploaderFactory = $uploaderFactory;
        $this->adapterFactory = $adapterFactory;
        $this->filesystem = $filesystem;
        $this->_file = $file;
    }

    /**
     * Initiate action
     *
     * @return this
     */
    protected function _initAction()
    {
        $this->_view->loadLayout();
        $this->_setActiveMenu('Chirag_Banner::post')->_addBreadcrumb(__('Post'), __('Post'));
        return $this;
    }

    /**
     * Determine if authorized to perform group actions.
     *
     * @return bool
     */
    protected function _isAllowed()
    {
        return $this->_authorization->isAllowed('Chirag_Banner::post');
    }
}


Controller->Adminhtml->Post->Index.php
 <?php
namespace Chirag\Banner\Controller\Adminhtml\Post;

class Index extends \Magento\Backend\App\Action
{
    protected $resultPageFactory = false;

    public function __construct(
        \Magento\Backend\App\Action\Context $context,
        \Magento\Framework\View\Result\PageFactory $resultPageFactory
    )
    {
        parent::__construct($context);
        $this->resultPageFactory = $resultPageFactory;
    }

    public function execute()
    {
        $resultPage = $this->resultPageFactory->create();
        $resultPage->getConfig()->getTitle()->prepend((__('Postsss')));

        return $resultPage;
    }

}

Controller->Adminhtml->Post->Delete.php
<?php
namespace Chirag\Banner\Controller\Adminhtml\Post;

class Delete extends \Chirag\Banner\Controller\Adminhtml\Post
{

    public function execute()
    {
        $id = $this->getRequest()->getParam('id');
        if ($id) {
            try {
                $model = $this->_objectManager->create('Chirag\Banner\Model\Post');
                $model->load($id);
                $model->delete();
                $this->messageManager->addSuccess(__('You deleted the post.'));
                $this->_redirect('chirag_banner/*/');
                return;
            } catch (\Magento\Framework\Exception\LocalizedException $e) {
                $this->messageManager->addError($e->getMessage());
            } catch (\Exception $e) {
                $this->messageManager->addError(
                    __('We can\'t delete post right now. Please review the log and try again.')
                );
                $this->_objectManager->get('Psr\Log\LoggerInterface')->critical($e);
                $this->_redirect('chirag_banner/*/edit', ['id' => $this->getRequest()->getParam('id')]);
                return;
            }
        }
        $this->messageManager->addError(__('We can\'t find a post to delete.'));
        $this->_redirect('chirag_banner/*/');
    }
}


Controller->Adminhtml->Post->Edit.php
 <?php
namespace Chirag\Banner\Controller\Adminhtml\Post;

class Edit extends \Chirag\Banner\Controller\Adminhtml\Post
{

    public function execute()
    {
        $id = $this->getRequest()->getParam('id');
      
        $model = $this->_objectManager->create('Chirag\Banner\Model\Post');

        if ($id) {
            $model->load($id);
            if (!$model->getId()) {
                $this->messageManager->addError(__('This post no longer exists.'));
                $this->_redirect('chirag_banner/*');
                return;
            }
        }
        // set entered data if was error when we do save
        $data = $this->_objectManager->get('Magento\Backend\Model\Session')->getPageData(true);
        if (!empty($data)) {
            $model->addData($data);
        }
        $this->_coreRegistry->register('current_chirag_banner_post', $model);
        $this->_initAction();
        if ($model->getId()) {
            $title = __('Edit Post');
        } else {
            $title = __('New Post Create Form');
        }
        $this->_view->getPage()->getConfig()->getTitle()->prepend($title);
        $this->_view->getLayout()->getBlock('post_post_edit');
        $this->_view->renderLayout();
    }
}


Controller->Adminhtml->Post->MassDelete.php
<?php
namespace Chirag\Banner\Controller\Adminhtml\Post;

use Magento\Backend\App\Action\Context;
use Magento\Framework\View\Result\PageFactory;
use Magento\Framework\Controller\ResultFactory;
use Magento\Ui\Component\MassAction\Filter;
use Chirag\Banner\Model\ResourceModel\Post\CollectionFactory;

class MassDelete extends \Magento\Backend\App\Action
{
    /**
     * @var Filter
     */
    protected $filter;

    /**
     * @var CollectionFactory
     */
    protected $collectionFactory;

    /**
     * @param Context $context
     * @param Filter $filter
     * @param CollectionFactory $collectionFactory
     */
    public function __construct(Context $context, Filter $filter, CollectionFactory $collectionFactory)
    {
        $this->filter = $filter;
        $this->collectionFactory = $collectionFactory;
        parent::__construct($context);
    }

    /**
     * Execute action
     *
     * @return \Magento\Backend\Model\View\Result\Redirect
     * @throws \Magento\Framework\Exception\LocalizedException|\Exception
     */
    public function execute()
    {
        $collection = $this->filter->getCollection($this->collectionFactory->create());
        $collectionSize = $collection->getSize();

        foreach ($collection as $record) {
            $record->delete();
        }

        $this->messageManager->addSuccess(__('A total of %1 record(s) have been deleted.', $collectionSize));

        /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
        $resultRedirect = $this->resultFactory->create(ResultFactory::TYPE_REDIRECT);
        return $resultRedirect->setPath('*/*/');
    }
}


Controller->Adminhtml->Post->MassStatus.php
<?php
namespace Chirag\Banner\Controller\Adminhtml\Post;

use Magento\Backend\App\Action\Context;
use Magento\Framework\View\Result\PageFactory;
use Magento\Framework\Controller\ResultFactory;
use Magento\Ui\Component\MassAction\Filter;
use Chirag\Banner\Model\ResourceModel\Post\CollectionFactory;

class MassStatus extends \Magento\Backend\App\Action
{
    /**
     * @var Filter
     */
    protected $filter;

    /**
     * @var CollectionFactory
     */
    protected $collectionFactory;

    /**
     * @param Context $context
     * @param Filter $filter
     * @param CollectionFactory $collectionFactory
     */
    public function __construct(Context $context, Filter $filter, CollectionFactory $collectionFactory)
    {
        $this->filter = $filter;
        $this->collectionFactory = $collectionFactory;
        parent::__construct($context);
    }

    /**
     * Execute action
     *
     * @return \Magento\Backend\Model\View\Result\Redirect
     * @throws \Magento\Framework\Exception\LocalizedException|\Exception
     */
    public function execute()
    {
        $collection = $this->filter->getCollection($this->collectionFactory->create());
        $collectionSize = $collection->getSize();

        foreach ($collection as $record) {
            $record->setStatus($this->getRequest()->getParam('status'))->save();
        }
        if($this->getRequest()->getParam('status') == 1){$status = 'enabled';}else{$status = 'disabled';}
        $this->messageManager->addSuccess(__('A total of %1 record(s) have been '.$status, $collectionSize));

        /** @var \Magento\Backend\Model\View\Result\Redirect $resultRedirect */
        $resultRedirect = $this->resultFactory->create(ResultFactory::TYPE_REDIRECT);
        return $resultRedirect->setPath('*/*/');
    }
}

Controller->Adminhtml->Post->NewAction.php
<?php
namespace Chirag\Banner\Controller\Adminhtml\Post;

class NewAction extends \Chirag\Banner\Controller\Adminhtml\Post
{

    public function execute()
    {
        $this->_forward('edit');
    }
}


Controller->Adminhtml->Post->Save.php
<?php
namespace Chirag\Banner\Controller\Adminhtml\Post;

use Magento\Framework\App\Filesystem\DirectoryList;

class Save extends \Chirag\Banner\Controller\Adminhtml\Post
{
    public function execute()
    {
        if ($this->getRequest()->getPostValue()) {
            try {
                $model = $this->_objectManager->create('Chirag\Banner\Model\Post');
                $data = $this->getRequest()->getPostValue();
                //print_r($_FILES['imgtemp']['name']); exit("-----");
                if(isset($_FILES['imagepath']['name']) && $_FILES['imagepath']['name'] != '') {
                    try{
                        $uploaderFactory = $this->uploaderFactory->create(['fileId' => 'imagepath']);
                        $uploaderFactory->setAllowedExtensions(['jpg', 'jpeg', 'gif', 'png']);
                        $imageAdapter = $this->adapterFactory->create();
                        $uploaderFactory->addValidateCallback('custom_image_upload',$imageAdapter,'validateUploadFile');
                        $uploaderFactory->setAllowRenameFiles(true);
                        $uploaderFactory->setFilesDispersion(true);
                        $mediaDirectory = $this->filesystem->getDirectoryRead($this->directoryList::MEDIA);
                        $destinationPath = $mediaDirectory->getAbsolutePath('chirag/banner');
                        $result = $uploaderFactory->save($destinationPath);
                        if (!$result) {
                            throw new LocalizedException(
                                __('File cannot be saved to path: $1', $destinationPath)
                            );
                        }
                       
                        $imagePath = 'chirag/banner'.$result['file'];
                        $data['imagepath'] = $imagePath;
                    } catch (\Exception $e) {$this->messageManager->addError(__('File is not uploaded !'));
                    }
                }
                if(isset($data['imagepath']['delete']) && $data['imagepath']['delete'] == 1) {
                    $mediaDirectory = $this->filesystem->getDirectoryRead($this->directoryList::MEDIA)->getAbsolutePath();
                    $file = $data['imagepath']['value'];
                    $imgPath = $mediaDirectory.$file;
                    if ($this->_file->isExists($imgPath))  {
                        $this->_file->deleteFile($imgPath);
                    }
                    $data['imagepath'] = NULL;
                }
                if (isset($data['imagepath']['value'])){
                    $data['imagepath'] = $data['imagepath']['value'];
                }
                $inputFilter = new \Zend_Filter_Input(
                    [],
                    [],
                    $data
                );
                $data = $inputFilter->getUnescaped();
                $id = $this->getRequest()->getParam('id');
                if ($id) {
                    $model->load($id);
                    if ($id != $model->getId()) {
                        throw new \Magento\Framework\Exception\LocalizedException(__('The wrong post is specified.'));
                    }
                }
               
                $timezone = $this->_objectManager->create('Magento\Framework\Stdlib\DateTime\TimezoneInterface');
                $fromTz = $timezone->getConfigTimezone();
                $toTz = $timezone->getDefaultTimezone();
                $date = new \DateTime(date('m/d/Y'), new \DateTimeZone($fromTz));
                $date->setTimezone(new \DateTimeZone($toTz));
                $data['date'] = $date->format('m/d/Y H:i:s');
               
                $timezone = $this->_objectManager->create('Magento\Framework\Stdlib\DateTime\DateTime');
                $data['updated_at'] = $timezone->gmtDate();
               
                $model->setData($data);
                $session = $this->_objectManager->get('Magento\Backend\Model\Session');
                $session->setPageData($model->getData());
                $model->save();
                $this->messageManager->addSuccess(__('You saved the banner.'));
                $session->setPageData(false);
                if ($this->getRequest()->getParam('back')) {
                    $this->_redirect('chirag_banner/*/edit', ['id' => $model->getId()]);
                    return;
                }
                $this->_redirect('chirag_banner/*/');
                return;
                } catch (\Magento\Framework\Exception\LocalizedException $e) {
                    $this->messageManager->addError($e->getMessage());
                    $id = (int)$this->getRequest()->getParam('id');
                    if (!empty($id)) {
                        $this->_redirect('chirag_banner/*/edit', ['id' => $id]);
                    } else {
                        $this->_redirect('chirag_banner/*/new');
                    }
                    return;
                } catch (\Exception $e) {
                    $this->messageManager->addError(
                        __('Something went wrong while saving the banner data. Please review the error log.')
                    );
                    $this->_objectManager->get('Psr\Log\LoggerInterface')->critical($e);
                    $this->_objectManager->get('Magento\Backend\Model\Session')->setPageData($data);
                    $this->_redirect('chirag_banner/*/edit', ['id' => $this->getRequest()->getParam('id')]);
                    return;
                }
        }
        $this->_redirect('chirag_banner/*/');
    }
}