PHP code example of centeron / laravel-grids

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

centeron / laravel-grids example snippets

'Centeron\Grids\ServiceProvider',

'Centeron\Grids\ServiceProvider',
'Collective\Html\HtmlServiceProvider',

    'Form'  => 'Collective\Html\FormFacade',
    'HTML'  => 'Collective\Html\HtmlFacade',
    'Grids'     => 'Centeron\Grids\Grids',

# Let's take a Eloquent query as data provider
# Some params may be predefined, other can be controlled using grid components         
$query = (new User)
    ->newQuery()
    ->with('posts')
    ->where('role', '=', User::ROLE_AUTHOR);

			
# Instantiate & Configure Grid
$grid = new Grid(
    (new GridConfig)
        # Grids name used as html id, caching key, filtering GET params prefix, etc
        # If not specified, unique value based on file name & line of code will be generated
        ->setName('my_report')
        # See all supported data providers in sources
        ->setDataProvider(new EloquentDataProvider($query))
        # Setup caching, value in minutes, turned off in debug mode
        ->setCachingTime(5) 
        # Setup table columns
        ->setColumns([
            # simple results numbering, not related to table PK or any obtained data
            new IdFieldConfig,
            (new FieldConfig)
                ->setName('login')
                # will be displayed in table header
                ->setLabel('Login')
                # That's all what you need for filtering. 
                # It will create controls, process input 
                # and filter results (in case of EloquentDataProvider -- modify SQL query)
                ->addFilter(
                    (new FilterConfig)
                        ->setName('login')
                        ->setOperator(FilterConfig::OPERATOR_LIKE)
                )
                # optional, 
                # use to prettify output in table cell 
                # or print any data located not in results field matching column name
                ->setCallback(function ($val, ObjectDataRow $row) {
                    if ($val) {
                        $icon  = "<span class='glyphicon glyphicon-user'></span>&nbsp;";
                        $user = $row->getSrc();
                        return $icon . HTML::linkRoute('users.profile', $val, [$user->id]);
                    }
                })
                # sorting buttons will be added to header, DB query will be modified
                ->setSortable(true)
            ,
            (new FieldConfig)
                ->setName('status')
                ->setLabel('Status')
                ->addFilter(
                    (new SelectFilterConfig)
                        ->setOptions(User::getStatuses())
                )
            ,
            (new FieldConfig)
                ->setName('country')
                ->setLabel('Country')
                ->addFilter(
                    (new SelectFilterConfig)
                        ->setName('country')
                        ->setOptions(get_countries_list())
                )
            ,
            (new FieldConfig)
                ->setName('registration_date')
                ->setLabel('Registration date')
                ->setSortable(true)
            ,
            (new FieldConfig)
                ->setName('comments_count')
                ->setLabel('Comments')
                ->setSortable(true)
            ,
            (new FieldConfig)
                ->setName('posts_count')
                ->setLabel('Posts')
                ->setSortable(true)
            ,
        ])
        # Setup additional grid components
        ->setComponents([
            # Renders table header (table>thead)
            (new THead)
                # Setup inherited components
                ->setComponents([
                    # Add this if you have filters for automatic placing to this row
                    new FiltersRow,
                    # Row with additional controls
                    (new OneCellRow)
                        ->setComponents([
                            # Control for specifying quantity of records displayed on page
                            (new RecordsPerPage)
                                ->setVariants([
                                    50,
                                    100,
                                    1000
                                ])
                            ,
                            # Control to show/hide rows in table
                            (new ColumnsHider)
                                ->setHiddenByDefault([
                                    'activated_at',
                                    'updated_at',
                                    'registration_ip',
                                ])
                            ,
                            # Submit button for filters. 
                            # Place it anywhere in the grid (grid is rendered inside form by default).
                            (new HtmlTag)
                                ->setTagName('button')
                                ->setAttributes([
                                    'type' => 'submit',
                                    # Some bootstrap classes
                                    'class' => 'btn btn-primary'
                                ])
                                ->setContent('Filter')
                        ])
                        # Components may have some placeholders for rendering children there.
                        ->setRenderSection(THead::SECTION_BEGIN)
                ])
            ,
            # Renders table footer (table>tfoot)
            (new TFoot)
                ->addComponent(
                    # TotalsRow component calculates totals on current page
                    # (max, min, sum, average value, etc)
                    # and renders results as table row.
                    # By default there is a sum.
                    new TotalsRow([
                        'comments',
                        'posts',
                    ])
                )
                ->addComponent(
                    # Renders row containing one cell 
                    # with colspan attribute equal to the table columns count
                    (new OneCellRow)
                        # Pagination control
                        ->addComponent(new Pager)
                )
        ])
);

// building query with join
$query = Customer
    ::leftJoin('countries', 'customers.country_id', '=','countries.id' )
    ->select('customers.*')
    // Column alias 'country_name' used to avoid naming conflicts, suggest that customers table also has 'name' column.
    ->addSelect('countries.name as country_name')
...  
///   "Country" column config:
	(new FieldConfig)
	        /// Grid column displaying country name must be named according to SQl alias: column_name
		->setName('country_name')
		->setLabel('Country')
		// If you use MySQL, grid filters for column_name in this case may not work,
		// becouse MySQL don't allows to specify column aliases in WHERE SQL section.
		// To fix filtering for aliased columns, you need to override 
		// filtering function to use 'countries.name' in SQL instead of 'country_name'
		->addFilter(
			(new FilterConfig)
				->setOperator(FilterConfig::OPERATOR_EQ)
				->setFilteringFunc(function($val, EloquentDataProvider $provider) {
					$provider->getBuilder()->where('countries.name', '=', $val);
				})
		)
		// Sorting will work by default becouse MySQL allows to use column aliases in ORDER BY SQL section.
		->setSortable(true)
	,
...

 bash  
php composer install

bash    
php composer 

bash    
php composer 

 echo $grid->render();