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Advanced Grid Configuration

This page contains basic examples of advanced datagrid configuration. More detailed explanation for each extension could be found in the Extensions documentation.

Problems and Solutions

Problem 1

Datagrid should show data dependent on some param. For example, a grid should show users for group that currently editing.

Solution:

Macros that renders datagrid can retrieve parameters that will be used to generate a URL for data retrieving.

Example:

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[dataGrid.renderGrid(gridName, {groupId: entityId})]

This param will be passed to the datagrid parameter bag and will be bound to the datasource query in the listener of the oro_datagrid.datagrid.build.after event automatically if you specify the bind_parameters option in the datasource configuration:

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 datagrids:
     acme-demo-grid:
         source:
             type: orm
             query:
                 select:
                     - u
                 from:
                     { table: AcmeDemoBundle:User, alias:u }
             where:
                 and:
                     - u.group = :groupId
             bind_parameters:
                 - groupId

Hint

Read more in parameters binding.

Problem 2

Let’s take the previous problem, but in addition fill a form field dependent on the grid state. For example, a grid should show users for a group that are currently editing and a user should be able to add/remove users from a group.

Solution:

To solve this problem, we have to modify the query. We are going to add an additional field that will show the value of the “assigned state”.

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 datagrids:
     acme-demo-grid:
         source:
             type: orm
             query:
                 select:
                     - u.id
                     - u.username
                     - >
                         (CASE WHEN (:groupId IS NOT NULL) THEN
                               CASE WHEN (:groupId
                                      MEMBER OF u.groups OR u.id IN (:data_in)) AND u.id NOT IN (:data_not_in)
                               THEN true ELSE false END
                          ELSE
                               CASE WHEN u.id IN (:data_in) AND u.id NOT IN (:data_not_in)
                               THEN true ELSE false END
                          END) as isAssigned
                 from:
                     { table: AcmeDemoBundle:User, alias:u }
             bind_parameters:
                 - groupId
         columns:
             isAssigned: # column has name correspond to data_name
                 label: Assigned
                 frontend_type: boolean
                 editable: true # put cell in editable mod
             username:
                 label: Username
         properties:
             id: ~  # Identifier property must be passed to frontend

When this done, we have to create form fields that will contain an assigned/removed user ids and process them in the backend.

For example, the fields are:

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 form_widget(form.appendUsers, {'id': 'groupAppendUsers'}),
 form_widget(form.removeUsers, {'id': 'groupRemoveUsers'}),

The last step is to set the rowSelection option, which will add behavior of selecting rows in the frontend and handle binding of data_in and data_not_in parameters to the datasource:

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 datagrids:
     acme-demo-grid:
         ... # previous configuration
         options:
             entityHint: oro.account.plural_label
             rowSelection:
                 dataField: id
                 columnName: isAssigned    # frontend column name
                 selectors:
                     included: '#groupAppendUsers'  # field selectors
                     excluded: '#groupRemoveUsers'

Problem 3

Let’s take the previous problem when we need to fill a form field dependent on the grid state. For example, a grid should show users for group that is currently editing and a user should be able to select a parameter from the dropwown for users in this group.

Solution:

To solve this problem, we have to create a form field that will contain the changeset of the edited user fields and process it in the backend. For example, the fields are:

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 form_widget(form.changeset, {'id': 'changeset'}),

The next step is to modify the query. We are going to add an additional field enabled that a user will be able to change.

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 datagrids:
     acme-demo-grid:
         source:
             type: orm
             query:
                 select:
                     - u.id
                     - u.username
                     - CASE WHEN u.enabled = true THEN 'enabled' ELSE 'disabled' END as enabled
                 from:
                     { table: AcmeDemoBundle:User, alias:u }
             bind_parameters:
                 - groupId
         options:
             entityHint: oro.user.entity_plural_label
         properties:
             id: ~
         columns:
             username:
                 label: oro.user.username.label
             enabled:
                 label: oro.user.enabled.label
                 frontend_type: select
                 editable: true
                 choices:
                    enabled: Active
                    disabled: Inactive

Similarly to Symfony2 choice Field Type approach, an editable cell can be rendered as one of several different HTML fields, depending on the expanded and multiple options. Currently supported are select tag, select tag (with multiple attributes) and radio buttons.

Example for radio buttons:

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 datagrids:
     acme-demo-grid:
         ... # some configuration
         columns:
             username:
                 label: oro.user.username.label
             enabled:
                 label: oro.user.enabled.label
                 frontend_type: select
                 editable: true
                 expanded: true
                 multiple: false
                 choices:
                    enabled: Active
                    disabled: Inactive

By default, expanded and multiple are false and their presence in the config may be omitted.

The last step is to set the cellSelection option which is going to add behavior of selecting rows in the frontend:

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 datagrids:
     acme-demo-grid:
         # previous configuration
         options:
             cellSelection:
                 dataField: id
                 columnName:
                     - enabled
                 selector: '#changeset'

Problem 4

Let’s take previous problem, but fill the selector in addiction to enum values.

Solution:

To solve this problem, use @oro_entity_extend.enum_value_provider->getEnumChoicesByCode('enum_code') instead of the choice the array is using.

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 choices:
    enabled: Active
    disabled: Inactive

Example:

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 datagrids:
     acme-demo-grid:
         # some configuration
         columns:
             username:
                 label: oro.user.username.label
             enabled:
                 label: oro.user.enabled.label
                 frontend_type: select
                 editable: true
                 choices: "@oro_entity_extend.enum_value_provider->getEnumChoicesByCode('user_status')"

Problem 5

I’m developing an extension for the grid, how can I add my frontend builder (a class that should show my widget)?

Solution:

Any builders can be passed under the gridconfig[options][jsmodules] node. Your builder should have method init, which is going to be called when the grid-builder finishes building the grid.

Example:

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 datagrids:
     acme-demo-grid:
         ... # some configuration
         options:
             jsmodules:
               - your/builder/amd/module/name

Problem 6

I’m developing a grid that should be shown in the modal window, so I don’t need the “grid state URL”

Solution:

Grid states processed using Backbone.Router, and it can be easily disabled in the configuration by setting the routerEnabled option to false.

Example:

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 datagrids:
     acme-demo-grid:
         ... # some configuration
         options:
             routerEnabled: false

Problem 7

I’m developing a grid that should not be under ACL control

Solution:

  • set option ‘skip_acl_apply’ to TRUE

Example:

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 datagrids:
     acme-demo-grid:
         ... # some configuration
         source:
             skip_acl_apply: true
             ... # some configuration of source

Problem 8

I want to implement a custom security verification/logic without any default ACL, even if an ``acl_resource`` have been defined, e.g., I’m extending an existing grid but with custom acl logic.

Solution:

  • configure the grid (set option ‘skip_acl_apply’ to TRUE)

  • override option ‘acl_resource’ and to make it false

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     datagrids:
     acme-demo-grid:
         ... # some configuration
         acl_resource: false
         source:
             skip_acl_apply: true
             ... # some configuration of source

  • declare your own grid listener

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     my_bundle.event_listener.my_grid_listener:
         class: 'Acme\DemoBundle\EventListener\MyGridListener'
         tags:
             - { name: kernel.event_listener, event: oro_datagrid.datagrid.build.before.my-grid-name, method: onBuildBefore }

  • implement the grid listener, for example:

    • Oro/Bundle/UserBundle/Resources/config/oro/datagrids.yml (owner-users-select-grid)
    • Oro/Bundle/UserBundle/EventListener/OwnerUserGridListener.php (service name: “oro_user.event_listener.owner_user_grid_listener”)

Problem 9

I want to have a grid secured by ACL resource but skip application of ACL to the DQL query of the grid.

Solution

  • configure the grid with option ‘skip_acl_apply’ set to TRUE, which will ignore applying of ACL to the source query of the grid

  • configure the grid with option ‘acl_resource’ set to the name of an ACL resource, it will check the permission to this ACL resource before the datagrid data is loaded

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     datagrids:
     acme-demo-grid:
         ... # some configuration
         acl_resource: 'acme_demo_entity_view'
         source:
             skip_acl_apply: true

Problem 10

I need to add a new column to the datagrid which should be secured by an additional ACL resource (e.g., budget fields should be visible only to managers)

Solution:

  • Create a datagrid event listener listening to the BuildBefore event and add columns only if the user has appropriate permissions

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     <?php

 namespace Acme\Bundle\AcmeBundle\EventListener\Datagrid;

 use Oro\Bundle\DataGridBundle\Event\BuildBefore;
 use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;

 class BudgetColumnsListener
 {
     /** @var AuthorizationCheckerInterface */
     private $authorizationChecker;

     /**
      * @param AuthorizationCheckerInterface $authorizationChecker
      */
     public function __construct(AuthorizationCheckerInterface $authorizationChecker)
     {
         $this->authorizationChecker = $authorizationChecker;
     }

     /**
      * @param BuildBefore $event
      */
     public function onBuildBefore(BuildBefore $event)
     {
         if (!$this->authorizationChecker->isGranted('acme_bundle_show_budget_columns')) {
             return;
         }

         $config = $event->getConfig();

         $this->addSourceQueryConfig($config);
         $this->addColumnsConfig($config);
     }
 }

Problem 11

I want to override the default “no data messages” for empty grid and empty filtered grid.

Solution:

There are 2 cases, when noDataMessage shown:

  • grid is empty because there are no entities to show
  • grid is empty because no entities were found to match the search criteria after applying filters.

There are several ways to configure these messages.

  • If the entityHint option is set in the grid configuration, it is used to compile noDataMessage.

    For example:

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    datagrids:
    acme-demo-grid:
        source:
            type: orm
            query:
                select:
                    - u.id
                    - u.username
                from:
                    { table: AcmeDemoBundle:User, alias:u }
        options:
            entityHint: oro.user.entity_plural_label

“There are no users” message is displayed for an empty grid and “No users were found to match your search. Try modifying your search criteria…” is shown for empty filtered grid.

  • If entityHint is not set in the grid configuration, then it is automatically taken from the entity on the basis of which this grid is built.

    For example:

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     datagrids:
     acme-demo-grid:
         source:
             type: orm
             query:
                 select:
                     - u.id
                     - u.username
                 from:
                     { table: AcmeDemoBundle:User, alias:u }
     options:
    ...

“There are no users” message is shown for empty grid and “No users were found to match your search. Try modifying your search criteria…” is shown for empty filtered grid.

  • If noDataMessages option is set in the grid configuration, then corresponding messages for empty grid and empty filtered grid are taken from the specified translation keys.

    For example:

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    datagrids:
    acme-demo-grid:
        source:
            type: orm
            query:
                select:
                    - u.id
                    - u.username
                from:
                    { table: AcmeDemoBundle:User, alias:u }
    options:
        noDataMessages:
            emptyGrid: acme.my_custom_empty_grid_message
            emptyFilteredGrid: acme.my_custom_empty_filtered_grid_message
   ...

    messages.en.yml:

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     acme:
     my_custom_empty_grid_message: 'There are no users'
     my_custom_empty_filtered_grid_message: 'No users were found to match your search. Try modifying your search criteria...'