Create a folder brandinfo8 in the location:projectname/modules/
Create a file brandinfo8.info.yml in the location:projectname/modules/brandinfo8/ and add tho following code
name: Crud for Brand
description: Field API to add fields to entities like nodes and users.
type: module
package: 'Custom Module'
core: '8.x'
version: "8.12"
project: "drupal"
datestamp: "1328134560"
libraries:
global_brand_style_script
Note:After colon must use one space(like name:space Crud for Brand),any para after colon must start after two space(like after libraries colon new para start with space space - space'global_brand_style_script'). it is important for every .yml file
Create a file brandinfo8.libraries.yml in the location:projectname/modules/brandinfo8/ and add tho following code
global_brand_style_script:
css:
theme:
css/demos.css:{}
js:
js/jquery-1.7.2.js:{}
Create a file brandinfo8.routing.yml in the location:projectname/modules/brandinfo8/ and add tho following code
brandinfo8.display_brand:
path: '/admin/brand/index'
defaults:
_controller: '\Drupal\brandinfo8\Form\BrandFormController::index'
_title: 'All Brand'
requirements:
_permission: 'access content'
brandinfo8.new_brand:
path: '/admin/brand/new'
defaults:
_form: '\Drupal\brandinfo8\Form\BrandForm'
_title: 'New Brand'
requirements:
_access: 'true'
brandinfo8.edit_brand:
path: '/admin/brand/edit/{id}'
defaults:
_form: '\Drupal\brandinfo8\Form\BrandForm'
_title: 'Update Brand'
requirements:
_access: 'true'
brandinfo8.delete_brand:
path: '/admin/brand/delete/{id}'
defaults:
_controller: '\Drupal\brandinfo8\Form\BrandFormController::delete'
_title: 'Delete Brand'
requirements:
_permission: 'access content'
Create a file brandinfo8.install in the location:projectname/modules/brandinfo8/ and add the following code
<?php
function brandinfo_install() {
}
function brandinfo_uninstall() {
}
function brandinfo_schema() {
$schema['brand'] = array(
'description' => 'Brand Category Table',
'fields' => array(
'id' => array(
'type' => 'serial',
'length'=>10,
'unsigned' => true,
'not null' => true),
'btype'=> array(
'type'=>'text',
'not null'=> true),
'name' => array(
'type' => 'text',
'not null' => true),
'picture'=> array(
'type'=>'text',
'not null'=> false),
),
'primary key' => array('id'),
);
return $schema;
}
?>
Create a file brandinfo8.links.menu.yml in the location:projectname/modules/brandinfo8/ and add the following code for creation a administration menu under configuration->development section
brandinfo8.display_brand:
title: 'Crud Brand List'
description: 'Crud Brand'
parent: system.admin_config_development
route_name: 'brandinfo8.display_brand'
Create a file BrandForm.php in the location:projectname/modules/brandinfo8/src/Form/
<?php
/**
* @file
* Contains \Drupal\brandinfo8\Form\BrandForm.
*/
namespace Drupal\brandinfo8\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\file\Entity\File;
use Drupal\Core\Url;
use Drupal\Core\Database\Database;
use Symfony\Component\HttpFoundation\RedirectResponse;
class BrandForm extends FormBase {
/**
* {@inheritdoc}
*/
public function getFormId() {
return 'brand_form';
}
/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state) {
//print_r(arg(3));die;
//$id= $_GET['id'];
$pathinfo = \Drupal::request()->getpathInfo();
//$pathinfo = \Drupal::service('path.current')->getPath();
$path_args = explode('/', $pathinfo);
$conn = Database::getConnection();
$record = array();
if (isset($path_args[4])) {
$query = $conn->select('brand', 'b')
->condition('id', $path_args[4])
->fields('b');
$record = $query->execute()->fetchAssoc();
}
$form['#method'] = 'post';
$form['#attrubutes'] = array(
'enctype' => 'multipart/form-data',
'target' => 'name_of_the_form'
);
$result =array();
$result['trade']='trade';
$result['therapic']='therapic';
$result['generic']='generic';
$tradeOption = array();
$form['id'] = array(
'#type' => 'hidden',
'#default_value' => (isset($record['id']) && $path_args[4]) ? $record['id']:'',
);
$form['btype'] = array(
'#title' => t("Type"),
'#type' => 'select',
'#options' => $result,
'#default_value' => (isset($record['name']) && $path_args[4]) ? $record['btype']:'',
'#required' => true
);
$form['name'] = array(
'#title'=>t('Trade Name:'),
'#type' => 'textfield',
'#title' => 'Product Name',
'#size' => 30,
'#default_value' => (isset($record['name']) && $path_args[4]) ? $record['name']:'',
'#required' => true
);
$form['picture_show'] = array(
'#prefix' => '<div id="show_pic_div">',
'#suffix' => </div>'
);
$form['pre_picture'] = array(
'#type' => 'hidden',
'#default_value' => (isset($record['picture']) && $path_args[4]) ? $record['picture']:'',
);
$form['picture'] = array(
'#title' => t('Image'),
'#type' => 'managed_file',
'#description' => t('Only allowed jpg,png,gif and file dimension 500X300px and size'),
'#upload_location' => 'public://upload/',
'#required' => false
);
$form['submit'] = array(
'#type' => 'submit',
'#value' => 'submit'
);
return $form;
}
/**
* {@inheritdoc}
*/
public function validateForm(array &$form, FormStateInterface $form_state) {
/*if (strlen($form_state->getValue('candidate_number')) < 10) {
$form_state->setErrorByName('candidate_number', $this->t('Mobile number is too short.'));
}*/
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state) {
/*foreach ($form_state->getValues() as $key => $value) {
drupal_set_message($key . ': ' . $value);
}*/
$err = null;
$filename = null;
$file_type = null;
$file_size = null;
$file = null;
$image = $form_state->getValue('picture');
$file = (! empty($image))? \Drupal\file\Entity\File::load($image[0]):null;
$type = $form_state->getValue('btype');
$name = $form_state->getValue('name');
//print_r($file->getSize());die;
if($file && $file->getFilename()){
$filename = $file->getFilename();
$file_type = $file->getMimeType();
$file_size = $file->getSize();
}else{
$pre_picture = $form_state->getValue('pre_picture');
}
if (!preg_match("/^[A-Za-z]+([A-Za-z0-9\s])*$/", $name)) {
$err = drupal_set_message(t('%productname is invalid', array('%name' => $name)), 'error');
return false;
}
if ($filename) {
if ($file_type && ($file_type == "image/png") or ($file_type == "image/jpeg") or ($file_type == "image/jpg") or ($file_type == "image/gif")) { //byte = 50KB
} else {
$err = drupal_set_message(t('Please enter valid file type'), 'error');
return false;
}
if ($file_size && $file_size >1048576) { // 1*1024*1024 = 1MB
$err = drupal_set_message(t('Please enter valid file size'), 'error');
return false;
}
}
if($form_state->getValue('id')){
$query = \Drupal::database();
$query->update('brand')
->fields(array(
'btype' => $type,
'name' => $name,
'picture' => ($filename)? $filename : $pre_picture
))
->condition('id', $form_state->getValue('id'))
->execute();
drupal_set_message("succesfully updated");
$form_state->setRedirect('brandinfo8.display_brand');
}else{
$query = \Drupal::database();
$query ->insert('brand')
->fields(array(
'id'=>0,
'btype' => $type,
'name' => $name,
'picture' => ($filename)? $filename : $pre_picture
))
->execute();
drupal_set_message("succesfully saved");
$form_state->setRedirect('brandinfo8.display_brand');
//$response = new RedirectResponse("/admin/brand/index");
$response->send();
}
}
}
Note:The annotation @file in the above code is important
Create a file BrandFormController.php in the location:projectname/modules/brandinfo8/src/Form/
<?php
/**
* @file
* Contains \Drupal\brandinfo8\Form\BrandFormController.
*/
namespace Drupal\brandinfo8\Form;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Database\Database;
use Drupal\Core\Url;
use Drupal\image\Entity\ImageStyle;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Drupal\brandinfo8\Form\BrandForm;
class BrandFormController extends ControllerBase {
public function index(){
/*return array(
'#title'=>'Hi Module'
);*/
// make table header
$header_table = array(
'sl'=> t('SrNo'),
'btype' => t('Type'),
'name' => t('Name'),
'picture' => t('Picture'),
'operation' => t('New'),t('Edit'),t('Delete')
);
//select records from table
$query = \Drupal::database()->select('brand', 'b');
$query->fields('b', ['id','btype','name','picture']);
$results = $query->execute()->fetchAll();
$rows = array();
foreach($results as $data){
$new = Url::fromUserInput('/admin/brand/new');
$edit = Url::fromUserInput('/admin/brand/edit/'.$data->id);
$delete = Url::fromUserInput('/admin/brand/delete/'.$data->id);
$img = "<img style='width:70px' src='".file_create_url('public://upload/'.$data->picture)."'>";
//$path = 'public://upload//'.$data->picture;
//$img = ImageStyle::load('style_name')->buildUrl($path);
//print the data from table
$rows[] = array(
'id' => $data->id,
'btype' => $data->btype,
'name' => $data->name,
'picture' => t($img),
'operation' =>\Drupal::l('New', $new ),\Drupal::l('Edit', $edit),\Drupal::l('Delete', $delete)
);
}
//display data in site
$form['table'] = [
'#type' => 'table',
'#header' => $header_table,
'#rows' => $rows,
'#empty' => t('No users found'),
];
return $form;
//$form = \Drupal::formBuilder()->getForm('Drupal\brandinfo8\Form\BrandForm');
//return $form;
}
public function delete($id = null){
if($id){
$query = \Drupal::database();
$query->delete('brand')
->condition('id',$id)
->execute();
drupal_set_message("succesfully deleted");
return $this->redirect('brandinfo8.display_brand');
}else{
drupal_set_message("deletion fail");
return $this->redirect('brandinfo8.display_brand');
}
}
}
Create a file FormBlock.php in the location:projectname/modules/brandinfo8/src/Plugin/Block for creation a block
<?php
/**
* @file
* Contains Drupal\brandinfo8\Plugin\Block\FormBlock.
*/
namespace Drupal\brandinfo8\Plugin\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Form\FormInterface;
use Drupal\brandinfo8\Form\BrandForm;
/**
* Provides a 'Form Block' block.
*
* @Block(
* id = "form_block",
* admin_label = @Translation("Form block"),
* category = @Translation("Custom form block example")
* )
*/
class FormBlock extends BlockBase {
/**
* {@inheritdoc}
*/
public function build() {
$form = \Drupal::formBuilder()->getForm('Drupal\brandinfo8\Form\BrandForm');
return $form;
}
}
Add necesary css, js,image files in the location:projectname/modules/brandinfo8/css/,projectname/modules/brandinfo8/js/,projectname/modules/brandinfo8/images/
Login the as administrator and go to extention-> module-> install them to go configuration->development -> Crud Brand List and click to view list
