Modules files

first commit to upload module

app/code/Mywork/News/Block/News.php

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+<?php
+namespace Mywork\News\Block;
+
+
+use Magento\Framework\View\Element\Template\Context;
+use Mywork\News\Model\Data;
+use Magento\Framework\View\Element\Template;
+
+
+class News extends Template
+{
+
+	public function __construct(Context $context, Data $model)
+	{
+                $this->model = $model;
+		parent::__construct($context);
+
+	}
+
+	public function sayHello()
+	{
+		return __('Hello World');
+	}
+	public function getNewsCollection()
+	{
+		$newsCollection = $this->model->getCollection();
+		return $newsCollection;
+	}
+}

app/code/Mywork/News/Block/adminhtml/Grid/Column/Statuses.php

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+<?php
+namespace Mywork\News\Block\Adminhtml\Grid\Column;
+
+/**
+ * Admin news grid statuses
+ */
+class Statuses extends \Magento\Backend\Block\Widget\Grid\Column
+{
+    /**
+     * Add to column decorated status
+     *
+     * @return array
+     */
+    public function getFrameCallback()
+    {
+        return [$this, 'decorateStatus'];
+    }
+
+    /**
+     * Decorate status column values
+     *
+     * @param string $value
+     * @param  \Magento\Framework\Model\AbstractModel $row
+     * @param \Magento\Backend\Block\Widget\Grid\Column $column
+     * @param bool $isExport
+     * @return string
+     */
+    public function decorateStatus($value, $row, $column, $isExport)
+    {
+        if ($row->getIsActive() || $row->getStatus()) {
+            if ($row->getStatus() == 2) {
+                $cell = '<span class="grid-severity-minor"><span>' . $value . '</span></span>';
+            } else {
+                $cell = '<span class="grid-severity-notice"><span>' . $value . '</span></span>';
+            }
+        } else {
+            $cell = '<span class="grid-severity-critical"><span>' . $value . '</span></span>';
+        }
+        return $cell;
+    }
+}

app/code/Mywork/News/Block/adminhtml/News.php

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+<?php
+namespace Mywork\News\Block\Adminhtml;
+
+/**
+ * Admin news 
+ */
+class News extends \Magento\Backend\Block\Widget\Grid\Container
+{
+    /**
+     * Constructor
+     *
+     * @return void
+     */
+    protected function _construct()
+    {
+        $this->_controller = 'adminhtml_news';
+        $this->_blockGroup = 'Mywork_News';
+        $this->_headerText = __('News');
+        $this->_addButtonLabel = __('Add New News');
+
+        parent::_construct();
+    }
+
+    /**
+     * @return $this
+     */
+    protected function _prepareLayout()
+    {
+
+        $onClick = "setLocation('" . $this->getUrl('*/import') . "')";
+
+        $this->getToolbar()->addChild(
+            'options_button',
+            \Magento\Backend\Block\Widget\Button::class,
+            ['label' => __('Import News'), 'onclick' => $onClick]
+        );
+
+        return parent::_prepareLayout();
+    }
+}

app/code/Mywork/News/Controller/Index/Index.php

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+<?php
+namespace Mywork\News\Controller\Index;
+
+class Index extends \Magento\Framework\App\Action\Action
+{
+	protected $_pageFactory;
+	public function __construct(
+		\Magento\Framework\App\Action\Context $context,
+		\Magento\Framework\View\Result\PageFactory $pageFactory)
+	{
+		$this->_pageFactory = $pageFactory;
+		return parent::__construct($context);
+	}
+
+	public function execute()
+	{
+		return $this->_pageFactory->create();
+	}
+}

app/code/Mywork/News/Controller/adminhtml/News.php

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+<?php
+namespace Mywork\News\Controller\Adminhtml;
+
+/**
+ * Admin News news edit controller
+ */
+class News extends Actions
+{
+    /**
+     * Form session key
+     * @var string
+     */
+    protected $_formSessionKey  = 'news_post_form_data';
+
+    /**
+     * Allowed Key
+     * @var string
+     */
+    protected $_allowedKey      = 'Mywork_News::post';
+
+    /**
+     * Model class name
+     * @var string
+     */
+    protected $_modelClass      = 'Mywork\News\Model\Post';
+
+    /**
+     * Active menu key
+     * @var string
+     */
+    protected $_activeMenu      = 'Mywork_News::post';
+
+    /**
+     * Status field name
+     * @var string
+     */
+    protected $_statusField     = 'is_active';
+}

app/code/Mywork/News/Controller/adminhtml/News/Grid.php

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+<?php
+namespace Mywork\News\Controller\Adminhtml\Post;
+
+/**
+ * News post grid controller
+ */
+class Grid extends \Mywork\News\Controller\Adminhtml\Post
+{
+
+}

app/code/Mywork/News/Controller/adminhtml/News/index.php

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+<?php
+namespace Mywork\News\Controller\Adminhtml\News;
+
+      class Index extends \Magento\Backend\App\Action
+      {
+        /**
+        * @var \Magento\Framework\View\Result\PageFactory
+        */
+        protected $resultPageFactory;
+
+        /**
+         * Constructor
+         *
+         * @param \Magento\Backend\App\Action\Context $context
+         * @param \Magento\Framework\View\Result\PageFactory $resultPageFactory
+         */
+        public function __construct(
+            \Magento\Backend\App\Action\Context $context,
+            \Magento\Framework\View\Result\PageFactory $resultPageFactory
+        ) {
+             parent::__construct($context);
+             $this->resultPageFactory = $resultPageFactory;
+        }
+
+        /**
+         * Load the page defined in view/adminhtml/layout/exampleadminnewpage_helloworld_index.xml
+         *
+         * @return \Magento\Framework\View\Result\Page
+         */
+        public function execute()
+        {
+             return  $resultPage = $this->resultPageFactory->create();
+        }
+      }
+    ?>
+

app/code/Mywork/News/Model/Data.php

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+<?php
+namespace Mywork\News\Model;
+
+use Magento\Framework\Model\AbstractModel;
+
+	class Data extends AbstractModel
+	{	
+	    protected function _construct()
+	    {
+	        $this->_init('Mywork\News\Model\ResourceModel\Data');
+	    }
+	}

app/code/Mywork/News/Model/ResourceModel/Data.php

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+<?php
+
+namespace Mywork\News\Model\ResourceModel;
+
+
+use \Magento\Framework\Model\ResourceModel\Db\AbstractDb;
+
+class Data extends AbstractDb
+{
+    protected function _construct()
+    {
+        $this->_init('news', 'news_id');
+    }
+}

app/code/Mywork/News/Model/ResourceModel/Data/Collection.php

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+<?php
+namespace Mywork\News\Model\ResourceModel\Data;
+
+
+use Magento\Framework\Model\ResourceModel\Db\Collection\AbstractCollection;
+
+
+class Collection extends AbstractCollection
+{
+    protected function _construct()
+    {
+        $this->_init(
+	    'Mywork\News\Model\Data',
+	    'Mywork\News\Model\ResourceModel\Data'
+	);
+    }
+}

app/code/Mywork/News/Setup/InstallData.php

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+<?php /**
+ * Copyright © 2016 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Mywork\News\Setup;
+
+use Magento\Framework\Setup\InstallDataInterface;
+use Magento\Framework\Setup\ModuleContextInterface;
+use Magento\Framework\Setup\ModuleDataSetupInterface;
+
+/**
+ * @codeCoverageIgnore
+ */
+class InstallData implements InstallDataInterface
+{
+
+    /**
+     * {@inheritdoc}
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     * @SuppressWarnings(PHPMD.ExcessiveMethodLength)
+     * @SuppressWarnings(PHPMD.NPathComplexity)
+     */
+    public function install(ModuleDataSetupInterface $setup, ModuleContextInterface $context)
+    {
+          /**
+           * Install messages
+           */
+          $data = [
+              ['news' => 'news text 1'],
+              ['news' => 'news text 2']
+          ];
+          foreach ($data as $bind) {
+              $setup->getConnection()
+                ->insertForce($setup->getTable('news'), $bind);
+          }
+    }
+}

app/code/Mywork/News/Setup/InstallSchema.php

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+<?php 
+/**
+* Copyright © 2016 Magento. All rights reserved.
+* See COPYING.txt for license details.
+*/
+
+namespace Mywork\News\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)
+    {
+          /**
+          * Create table 'news'
+          */
+          $table = $setup->getConnection()
+              ->newTable($setup->getTable('news'))
+              ->addColumn(
+                  'news_id',
+                  \Magento\Framework\DB\Ddl\Table::TYPE_INTEGER,
+                  null,
+                  ['identity' => true, 'unsigned' => true, 'nullable' => false, 'primary' => true],
+                  'News ID'
+              )
+              ->addColumn(
+                  'news',
+                  \Magento\Framework\DB\Ddl\Table::TYPE_TEXT,
+                  255,
+                  ['nullable' => false, 'default' => ''],
+                    'News'
+              )->setComment("News table");
+          $setup->getConnection()->createTable($table);
+      }
+}