Magento 2 create custom ui component admin grid
Today we talk about How in Magento 2 create custom ui component admin grid. For creating the grid you must familiar with ui component of magento2. The grid consist of these major node that must be used for creating the grid.
Data Argument
The argument data basically have three item js_config,buttons and spinner. Js_config contain js configuration of grid data. In buttons you can add button that are need to added into grid like add or import like this.spinner have to added on your columns you have to add you column name.
js_config
helloworld_listing this will be you ui component file name. helloworld_listing_data_source will be name of your dataSource.
<item name="provider" xsi:type="string">helloworld_listing.helloworld_listing_data_source</item>
<item name="deps" xsi:type="string">pomanager_listing.helloworld_listing_data_source</item>
</item>
buttons
You can add button in your grid in buttons item.
<item name="add" xsi:type="array">
<item name="name" xsi:type="string">add</item>
<item name="label" xsi:type="string" translate="true">Add New Blog Post</item>
<item name="class" xsi:type="string">primary</item>
<item name="url" xsi:type="string">*/*/new</item>
</item>
</item>
spinner
This have configuration where spinner will be load that contain columns name example helloworld_index_columns.
dataSource
Second component of ui component grid is dataSource. That have unique name that are use in ui component grid. Name of my example helloworld_listing_data_source.
<argument name="dataProvider" xsi:type="configurableObject">
<argument name="class" xsi:type="string">helloworldGridDataProvider</argument>
<argument name="name" xsi:type="string">helloworld_listing_data_source</argument>
<argument name="primaryFieldName" xsi:type="string">post_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>
</argument>
</argument>
</dataSource>
listingToolbar
Toolbar is included many argument like bookmarks,columnsControls, filterSearch,filters,paging and massaction.
massaction
In massaction you add the mass action options like delete, edit or enable disbaled.
<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="helloworld/index/massDelete"/>
<item name="confirm" xsi:type="array">
<item name="title" xsi:type="string" translate="true">Delete items</item>
<item name="message" xsi:type="string" translate="true">Are you sure you want to delete selected items?</item>
</item>
</item>
</argument>
</action>
</massaction>
Example of listing toolbar
<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">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="columnsProvider" xsi:type="string">helloworld_listing.helloworld_listing.helloworld_index_columns</item>
<item name="storageConfig" xsi:type="array">
<item name="provider" xsi:type="string">storageConfig.storageConfig.listing_top.bookmarks</item>
<item name="namespace" xsi:type="string">current.filters</item>
</item>
<item name="templates" xsi:type="array">
<item name="filters" xsi:type="array">
<item name="select" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/form/element/ui-select</item>
<item name="template" xsi:type="string">ui/grid/filters/elements/ui-select</item>
</item>
</item>
</item>
<item name="childDefaults" xsi:type="array">
<item name="provider" xsi:type="string">storageConfig.storageConfig.listing_top.listing_filters</item>
<item name="imports" xsi:type="array">
<item name="visible" xsi:type="string">storageConfig.storageConfig.helloworld_index_columns.${ $.index }:visible</item>
</item>
</item>
</item>
<item name="observers" xsi:type="array">
<item name="column" xsi:type="string">column</item>
</item>
</argument>
</filters>
<massaction name="listing_massaction">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="selectProvider" xsi:type="string">helloworld_listing.helloworld_listing.helloworld_index_columns.ids</item>
<item name="indexField" xsi:type="string">post_id</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="helloworld/index/massDelete"/>
<item name="confirm" xsi:type="array">
<item name="title" xsi:type="string" translate="true">Delete items</item>
<item name="message" xsi:type="string" translate="true">Are you sure you want to delete selected items?</item>
</item>
</item>
</argument>
</action>
</massaction>
<paging name="listing_paging"/>
</listingToolbar>
columns
In column you must have the unique name like helloworld_index_columns. That are use other argument too. It’s depend on three argument data, selectionsColumn,actionsColumn and column. Example
</columns>
selectionsColumn
This is use for selection of grid columns.
<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">post_id</item>
</item>
</argument>
</selectionsColumn>
column
This will show the id in column
Example
<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">Title</item>
</item>
</argument>
</column>
actionsColumn
This will use for delete,edit or any other functionality to perform with current row.
Example
<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">107</item>
<item name="indexField" xsi:type="string">post_id</item>
</item>
</argument>
</actionsColumn>
Now complete example of ui_component grid
<!--
/**
* Copyright © 2016 Magento. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<listing xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
<argument name="data" xsi:type="array">
<item name="js_config" xsi:type="array">
<item name="provider" xsi:type="string">helloworld_listing.helloworld_listing_data_source</item>
<item name="deps" xsi:type="string">helloworld_listing.helloworld_listing_data_source</item>
</item>
<item name="spinner" xsi:type="string">helloworld_index_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 Blog Post</item>
<item name="class" xsi:type="string">primary</item>
<item name="url" xsi:type="string">*/*/new</item>
</item>
</item>
</argument>
<dataSource name="helloworld_listing_data_source">
<argument name="dataProvider" xsi:type="configurableObject">
<argument name="class" xsi:type="string">helloworldGridDataProvider</argument>
<argument name="name" xsi:type="string">helloworld_listing_data_source</argument>
<argument name="primaryFieldName" xsi:type="string">post_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>
</argument>
</argument>
</dataSource>
<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">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="columnsProvider" xsi:type="string">helloworld_listing.helloworld_listing.helloworld_index_columns</item>
<item name="storageConfig" xsi:type="array">
<item name="provider" xsi:type="string">storageConfig.storageConfig.listing_top.bookmarks</item>
<item name="namespace" xsi:type="string">current.filters</item>
</item>
<item name="templates" xsi:type="array">
<item name="filters" xsi:type="array">
<item name="select" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/form/element/ui-select</item>
<item name="template" xsi:type="string">ui/grid/filters/elements/ui-select</item>
</item>
</item>
</item>
<item name="childDefaults" xsi:type="array">
<item name="provider" xsi:type="string">storageConfig.storageConfig.listing_top.listing_filters</item>
<item name="imports" xsi:type="array">
<item name="visible" xsi:type="string">storageConfig.storageConfig.helloworld_index_columns.${ $.index }:visible</item>
</item>
</item>
</item>
<item name="observers" xsi:type="array">
<item name="column" xsi:type="string">column</item>
</item>
</argument>
</filters>
<massaction name="listing_massaction">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="selectProvider" xsi:type="string">helloworld_listing.helloworld_listing.helloworld_index_columns.ids</item>
<item name="indexField" xsi:type="string">post_id</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="helloworld/index/massDelete"/>
<item name="confirm" xsi:type="array">
<item name="title" xsi:type="string" translate="true">Delete items</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"/>
</listingToolbar>
<columns name="helloworld_index_columns">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="storageConfig" xsi:type="array">
<item name="provider" xsi:type="string">helloworld_listing.helloworld_listing.listing_top.bookmarks</item>
<item name="namespace" xsi:type="string">current</item>
</item>
<item name="editorConfig" xsi:type="array">
<item name="selectProvider" xsi:type="string">helloworld_listing.helloworld_listing.helloworld_index_columns.ids</item>
<item name="enabled" xsi:type="boolean">true</item>
<item name="indexField" xsi:type="string">id</item>
<item name="clientConfig" xsi:type="array">
<item name="saveUrl" xsi:type="url" path="news/index/inlineEdit"/>
<item name="validateBeforeSave" xsi:type="boolean">false</item>
</item>
</item>
<item name="childDefaults" xsi:type="array">
<item name="fieldAction" xsi:type="array">
<item name="provider" xsi:type="string">helloworld_listing.helloworld_listing.helloworld_index_columns_editor</item>
<item name="target" xsi:type="string">startEdit</item>
<item name="params" xsi:type="array">
<item name="0" xsi:type="string">${ $.$data.rowIndex }</item>
<item name="1" xsi:type="boolean">true</item>
</item>
</item>
<item name="storageConfig" xsi:type="array">
<item name="provider" xsi:type="string">helloworld_listing.helloworld_listing.listing_top.bookmarks</item>
<item name="root" xsi:type="string">columns.${ $.index }</item>
<item name="namespace" xsi:type="string">current.${ $.storageConfig.root}</item>
</item>
</item>
</item>
</argument>
<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">post_id</item>
</item>
</argument>
</selectionsColumn>
<column name="title">
<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">Title</item>
</item>
</argument>
</column>
<column name="content">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="editor" xsi:type="array">
<item name="editorType" xsi:type="string">textarea</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">Content</item>
</item>
</argument>
</column>
<actionsColumn name="actions" class="QaisarSatti\HelloWorld\Ui\Component\Listing\Column\HelloWorldActions">
<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">107</item>
<item name="indexField" xsi:type="string">post_id</item>
</item>
</argument>
</actionsColumn>
</columns>
<container name="sticky">
<argument name="data" xsi:type="array">
<item name="config" xsi:type="array">
<item name="component" xsi:type="string">Magento_Ui/js/grid/sticky/sticky</item>
<item name="toolbarProvider" xsi:type="string">helloworld_listing.helloworld_listing.listing_top</item>
<item name="listingProvider" xsi:type="string">helloworld_listing.helloworld_listing.helloworld_index_columns</item>
</item>
</argument>
</container>
</listing>
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I am using it. it shows error
main.CRITICAL: Unable to serialize value. {“exception”:”[object] (InvalidArgumentException(code: 0): Unable to serialize value. at /vendor/magento/framework/Serialize/Serializer/Json.php:26)”} []
How to solve this?