Added the documentation for the FormDataProvider UI component

src/_data/toc/ui-components-guide.yml

@@ -103,6 +103,9 @@ pages:
         - label: Form component
           url: /ui_comp_guide/components/ui-form.html
 
+        - label: FormDataProvider component
+          url: /ui_comp_guide/components/ui-form-data-provider.html
+
         - label: GridDataProvider component
           url: /ui_comp_guide/components/ui-grid-data-provider.html
 

src/guides/v2.3/ui_comp_guide/components/ui-form-data-provider.md

@@ -0,0 +1,46 @@
+---
+group: ui-components-guide
+title: FormDataProvider component
+contributor_name: Atwix
+contributor_link: https://www.atwix.com/
+---
+
+The FormDataProvider [UI component](https://glossary.magento.com/ui-component) is a data provider for the [Form]({{ page.baseurl }}/ui_comp_guide/components/ui-form.html) component. It stores form data in a specific format that is shared among all UI components in the scope of [Form]({{ page.baseurl }}/ui_comp_guide/components/ui-form.html) component and provides the functionality for submitting the data.
+
+## Configuration options
+
+| Option | Description | Type | Default Value |
+| --- | --- | --- | --- |
+| `class` | Path to the [PHP](https://glossary.magento.com/php) class responsible for the [backend](https://glossary.magento.com/backend) implementation of the component | String | `Magento\Framework\View\Element\UiComponent\DataProvider\DataProvider` |
+| `component` | The path to the component's `.js` file, relative to RequireJS. | String | `Magento_Ui/js/form/provider` |
+| `clientConfig` | Configuration of the [FormClient]({{ site.mage2bloburl }}/{{page.guide_version}}/app/code/Magento/Ui/view/base/web/js/form/client.js) component. | Object | `urls: {save: '${ $.submit_url }',beforeSave: '${ $.validate_url }'}` |
+| `submit_url` | Path to controller that will process the form data submitting request. | String | `-` |
+| `validate_url` | Path to controller that will process the form data validation request. | String | `-` |
+
+## Sources files
+
+Extends [`UiElement`]({{ page.baseurl }}/ui_comp_guide/concepts/ui_comp_uielement_concept.html):
+
+-  [app/code/Magento/Ui/view/base/web/js/form/provider.js]({{ site.mage2bloburl }}/{{page.guide_version}}/app/code/Magento/Ui/view/base/web/js/form/provider.js)
+
+## Examples
+
+### Integrate the FormDataProvider component with the Form component
+
+This is an example of how the FormDataProvider component integrates with the [Form]({{ page.baseurl }}/ui_comp_guide/components/ui-form.html) component:
+
+```xml
+<form>
+    <dataSource name="sales_rule_form_data_source">
+        <argument name="data" xsi:type="array">
+            <item name="js_config" xsi:type="array">
+                <item name="component" xsi:type="string">Magento_Ui/js/form/provider</item>
+            </item>
+        </argument>
+        <settings>
+            <submitUrl path="path/to/submit_form_data_controller"/>
+            <validateUrl path="path/to/validate_form_data_controller"/>
+        </settings>
+    </dataSource>
+</form>
+```