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Forms

The Igniter\Admin\Http\Actions\FormController class provides a convenient way to create, update, and preview forms in the TastyIgniter admin interface. The FormController defines the actions and views needed to manage form submissions, including the ability to define form fields, validation rules, and form widgets.

To use the FormController in your extension, you need to add it to the controller's $implement property. Also, you should define a $formConfig property in your controller and its value should be an array of configuration options. Here is an example of a form controller configuration:

namespace Author\Extension\Http\Controllers;

class MyController extends \Igniter\Admin\Classes\AdminController
{
    public array $formConfig = [
        'name' => 'My Form',
        'model' => 'Author\Extension\Models\Record',
        'request' => 'Author\Extension\Http\Requests\RecordRequest',
        'create' => [
            'title' => 'Create Record',
        ],
        'edit' => [
            'title' => 'Edit Record',
        ],
        'preview' => [
            'title' => 'Preview Record',
        ],
        'configFile' => 'record',
    ];
}

The following fields are required in the form configuration:

  • model: The model class used to load and store form data.
  • configFile: Reference to the form definitions file.

The following fields are optional in the form configuration:

  • name: The name of the object being managed by this form.
  • request: The form request class used to validate form fields.
  • create: Configuration options for the create form view.
  • edit: Configuration options for the update form view.
  • preview: Configuration options for the preview form view.

The form definition file is typically stored in the resources/models directory of an extension. The form definition file should return a form array of toolbar buttons and form fields. For example:

return [
    'form' => [
         'toolbar' => [
            'buttons' => [
                // ...
            ],
        ],
        'fields' => [
            // ...
        ],
    ],
];

Create page

To support the Create page add the following configuration to the form configuration:

public array $formConfig = [
    // ...
    'create' => [
        'title' => 'Create Record',
        'redirect' => 'author/extension/records/edit/{id}',
        'redirectClose' => 'author/extension/records',
    ],
];

The following configuration options are available for the Create page:

  • title: The title of the Create page.
  • redirect: The URL to redirect to after creating a record.
  • redirectClose: The URL to redirect to after closing the Create page.
  • flashSave: The flash message to display after creating a record.
  • configFile: Override the form definition file for the Create page.

Edit page

To support the Update page add the following configuration to the form configuration:

public array $formConfig = [
    // ...
    'edit' => [
        'title' => 'Edit Record',
        'redirect' => 'author/extension/records/edit/{id}',
        'redirectClose' => 'author/extension/records',
    ],
];

The following configuration options are available for the Update page:

  • title: The title of the Update page.
  • redirect: The URL to redirect to after updating a record.
  • redirectClose: The URL to redirect to after closing the Update page.
  • flashSave: The flash message to display after updating a record.
  • configFile: Override the form definition file for the Update page.

Preview page

To support the Preview page add the following configuration to the form configuration:

public array $formConfig = [
    // ...
    'preview' => [
        'title' => 'Preview Record',
    ],
];

The following configuration options are available for the Preview page:

  • title: The title of the Preview page.
  • configFile: Override the form definition file for the Preview page.

You can restrict access to the form controller actions by setting the $requiredPermissions property in the controller class. For example, restricting access to the Create page:

class MyController extends \Igniter\Admin\Classes\AdminController
{
    public null|string|array $requiredPermissions = [
        'create' => 'Author.Extension.ManageRecord'
    ];
}

Form fields are defined in the form definition file using the fields key. Fields can be placed either in the outside area or primary tabs. Here is an example of a form controller with fields defined in the form definition file resources/models/record.php:

return [
    'form' => [
        // Outside area
        'fields' => [
            'name' => [
                'label' => 'Name',
                'type' => 'text',
                'span' => 'left',
            ],
            'email' => [
                'label' => 'Email',
                'type' => 'text',
                'span' => 'right',
            ],
        ],
        // Primary tabs
        'tabs' => [
            'fields' => [
                // ...
            ],
        ],
    ],
];

The following options are available for form tabs:

  • stretch: Whether the tab should stretch to fit the parent height.
  • defaultTab: The default tab to assign fields that do not belong to any tab. Default is General.

The following options are available for form fields (where applicable):

  • label: The label to display for the field
  • type: Defines how the field should be rendered (see Fields types below). Default is text.
  • span: Aligns the field. Options are left, right, full. Default is left.
  • comment: A comment to display below the field.
  • commentAbove: A comment to display above the field.
  • commentHtml: Allow HTML markup inside the comment. Default is false.
  • placeholder: The placeholder text for the field.
  • default: The default value for the field.
  • defaultFrom: References another field to get the default value from.
  • tab: The tab to assign the field to.
  • readOnly: Prevents the field from being modified. Default is false.
  • disabled: Prevents the field from being modified and excludes it from the saved data. Default is false.
  • hidden: Hides the field from the form and excludes it from the saved data. Default is false.
  • context: The context in which the field is displayed. Context can also be passed by using an @ symbol in the field name, for example, name@update.
  • trigger: Use trigger events specify conditions for this field.
  • dependsOn: Use field dependencies to update this field based on changes to another field.
  • required: Places a red asterisk next to the field label. Default is false.
  • cssClass: Additional CSS classes to apply to the field.
  • attributes: Additional HTML attributes to apply to the field.
  • containerAttributes: Additional HTML attributes to apply to the field container.
  • permissions: The permissions required to view this field.

The following native field types are available for form fields. For more advanced form fields, a form widget can be used instead.

text renders a simple text input field.

'name' => [
    'label' => 'Name',
    'type' => 'text',
],

number renders an input field that takes only numbers.

'quantity' => [
    'label' => 'Quantity',
    'type' => 'number',
],

money renders an input field that takes only numbers and formats the value to two decimal places.

'price' => [
    'label' => 'Price',
    'type' => 'money',
],

currency renders an input field that takes only numbers and formats the value matching the active currency settings.

'price' => [
    'label' => 'Price',
    'type' => 'currency',
],

password renders a password input field.

'password' => [
    'label' => 'Password',
    'type' => 'password',
],

email renders an input field that takes only email addresses.

'email' => [
    'label' => 'Email',
    'type' => 'email',
],

permalink renders an input field that only accepts alphanumeric characters, dashes, and underscores.

'slug' => [
    'label' => 'Slug',
    'type' => 'permalink',
],

url renders an input field that only accepts valid URLs.

'website' => [
    'label' => 'Website',
    'type' => 'url',
],

textarea renders a textarea input field.

'description' => [
    'label' => 'Description',
    'type' => 'textarea',
    
    // Optional
    'attributes' => [
        'rows' => 5,
    ],
],

select renders a dropdown select field. There are 6 ways to provide the dropdown options. All six ways should return an array of options in the format key => label.

Provide an array of options directly in the field definition.

'order_type' => [
    'label' => 'Order type',
    'type' => 'select',
    'options' => [
        'delivery' => 'Delivery',
        'collection' => 'Pick-up',
    ],  
],

Provide an array of options from a matching method get*FieldName*Options declared in the model class. Using the example above, the model should declare the getOrderTypeOptions method.

public function getOrderTypeOptions($value, $formData)
{
    return ['delivery' => 'Delivery', ...];
}

Additionally, you can declare a global method getDropdownOptions in the model class to provide dropdown options for all select fields.

public function getDropdownOptions($fieldName, $value, $formData)
{
    if ($fieldName == 'order_type') {
    return ['delivery' => 'Delivery', ...];
    }
    else {
        return ['' => '-- none --'];
    }
}

Provide an array of options from a specific model method declared in the model class.

'order_type' => [
    // ...
    'type' => 'select',
    'options' => 'listOrderTypes'
],

public function listOrderTypes()
{
    return ['delivery' => 'Delivery', ...];
}

Provide an array of options from a static method declared on a class.

'order_type' => [
    // ...
    'type' => 'select',
    'options' => \Author\Extension\Classes\FormHelper::listOrderTypes
],

public static function listOrderTypes($formWidget, $formField)
{
    return ['delivery' => 'Delivery', ...];
}

Provide an array of options from a callable object via an array definition.

'order_type' => [
    // ...
    'type' => 'select',
    'options' => [Author\Extension\Classes\FormHelper::class, 'listOrderTypes']
],

public static function listOrderTypes($formWidget, $formField)
{
    return ['delivery' => 'Delivery', ...];
}

The following options are available for the select field type:

  • placeholder: The placeholder text for the field when no option is selected or the field is empty.
  • showSearch: Whether to enable search functionality in the dropdown. Default is false.
  • multiOption: Whether to allow multiple selections. Default is false.

checkbox renders a checkbox input field.

'is_active' => [
    'label' => 'Is active',
    'type' => 'checkbox',
],

checkboxlist renders a list of checkboxes. Checkbox lists support the same methods for defining the options as the select field type.

'colors' => [
    'label' => 'Colors',
    'type' => 'checkboxlist',
    'options' => [
        'red' => 'Red',
        'green' => 'Green',
        'blue' => 'Blue',
    ],
],

Options for checkbox lists also support secondary descriptions using the array format key => [label, description].

'colors' => [
    // ...
    'options' => [
        'red' => ['Red', 'This is the color red'],
        'green' => ['Green', 'This is the color green'],
        'blue' => ['Blue', 'This is the color blue'],
    ],
],

checkboxtoggle renders a button-like checkbox toggle. Checkbox toggles support the same methods for defining the options as the select field type.

'colors' => [
    'label' => 'Colors',
    'type' => 'checkboxtoggle',
    'options' => [
        'red' => 'Red',
        'green' => 'Green',
        'blue' => 'Blue',
    ],
],

radiolist renders a list of radio buttons. Radio lists support the same methods for defining the options as the select field type. These options also support secondary descriptions just like checkbox lists.

'colors' => [
    'label' => 'Colors',
    'type' => 'radiolist',
    'options' => [
        'red' => 'Red',
        'green' => 'Green',
        'blue' => 'Blue',
    ],
],

radiotoggle renders a button-like radio toggle. Radio toggles support the same methods for defining the options as the select field type.

'color' => [
    'label' => 'Color',
    'type' => 'radiotoggle',
    'options' => [
        'red' => 'Red',
        'green' => 'Green',
        'blue' => 'Blue',
    ],
],

switch renders a switch toggle field.

'is_active' => [
    'label' => 'Is active',
    'type' => 'switch',
    'onText' => 'Yes',
    'offText' => 'No',
],

section renders a section heading and subheading.

'section' => [
    'label' => 'Section',
    'type' => 'section',
    'comment' => 'This is a section comment',
],

partial renders a partial view. The path option should be the path to the partial view file otherwise the field name is used as the partial name.

'partial' => [
    'type' => 'partial',
    'path' => 'path/to/partial',
],

widget renders a form widget. The type option should be the class name of the form widget or the registered alias name.

'widget' => [
    'type' => \Igniter\Admin\FormWidgets\RichEditor::class,
],

TastyIgniter includes several form widgets, although it is common for extensions to provide their own custom form widgets. For a deeper dive into how these widgets work and how you can implement or modify them, you can refer to the Form Widgets article.

codeeditor renders an editor field for editing code or HTML markup.

'code' => [
    'label' => 'Code',
    'type' => 'codeeditor',
],

The following options are available for the codeeditor form widget type:

  • mode: The programming language to use for syntax highlighting. Default is css.
  • theme: The color theme option passed to the CodeMirror JS library. Default is material.

colorpicker renders the browser supported color picker.

'color' => [
    'label' => 'Color',
    'type' => 'colorpicker',
],

The following options are available for the colorpicker form widget type:

  • availableColors: An array of colors to display in the color picker for quick color selection.

components renders a field for selecting and managing both theme and livewire components from the component library as well as rendering them to a theme template.

'components' => [
    'label' => 'Components',
    'type' => 'components',
    'form' => [
        'fields' => [
            // ...
        ],
    ],
],

The following options are available for the components form widget type:

  • form: The form definition for the component fields.
  • prompt: The prompt text to display when no component is selected.
  • addTitle: The title of the add button. Default is Add component.
  • editTitle: The title of the edit button. Default is Edit component.
  • copyPartialTitle: The title of the override partial button. Default is Override component partial.

connector renders a field for attaching and managing related records from a model.

'products' => [
    'label' => 'Products',
    'type' => 'connector',
    'form' => [
        'fields' => [
            'name' => [
                'label' => 'Name',
                'type' => 'text',
            ],
            'price' => [
                'label' => 'Price',
                'type' => 'money',
            ],
        ],
    ],
],

The following options are available for the connector form widget type:

  • form: The form definition for creating and managing related records. Either a reference to the form definition file or an array of fields.
  • formName: The form name to use for the record editor popup. Default is Record.
  • nameFrom: The model attribute to use as the display name for the related records. Default is name.
  • descriptionFrom: The model attribute to use as the description for the related records. Default is description.
  • partial: The partial view to use for rendering each related record. Leave empty to use the default partial.
  • sortable: Whether to allow sorting of the related records. Default is false.
  • sortColumnName: The field name to use for sorting the related records. Default is priority.
  • editable: Whether to allow editing of the related records. Default is true.
  • newRecordTitle: The title of the popup when creating a record . Default is New %s.
  • editRecordTitle: The title of the popup when editing a record. Default is Edit %s.
  • emptyMessage: The message to display when there are no related records. For example: No records found.
  • confirmMessage: The message to display when deleting a record. For example: Are you sure you want to delete this record?.
  • popupSize: The size of the popup window. Options are modal-sm, modal-md, modal-lg, modal-xl.
  • hideNewButton: Whether to hide the new related record button. Default is true.

datatable renders a table for displaying and editing tabular data.

'products' => [
    'label' => 'Products',
    'type' => 'datatable',
    'columns' => [
        'name' => [
            'title' => 'Name',
        ],
        'price' => [
            'title' => 'Price',
        ],
    ],
],

The following options are available for the datatable form widget type:

  • columns: An array of columns to display in the table. Each column should have a title definition.
  • defaultSort: The default column to sort by. Example name asc.
  • searchableFields: The fields to search when filtering the table.
  • showRefreshButton: Whether to show the refresh button. Default is true.
  • useAjax: Whether to use AJAX to load the table data. Default is false.
  • showPagination: Whether to show pagination controls. Default is true.
  • pageLimit: The number of records to display per page. Default is 10.
  • dynamicHeight: Whether to adjust the table height based on the number of records. Default is false.
  • height: The height of the table. Default is auto.
  • keyFrom: The model attribute to use as the primary key. Default is id.
  • toolbar: The configuration of toolbar buttons to display above the table.
  • fieldName: The custom field name to use for the table. Default to the field alias.

datepicker renders the browser supported date picker field for selecting dates and times.

'date' => [
    'label' => 'Date',
    'type' => 'datepicker',
],

The following options are available for the datepicker form widget type:

  • mode: The date picker mode. Options are date, time, datetime. Default is date.
  • dateFormat: The date format to use when displaying the date. Default is Y-m-d.
  • timeFormat: The time format to use when displaying the time. Default is H:i.
  • startDate: The minimum date that can be selected.
  • endDate: The maximum date that can be selected.

markdown renders an editor field for editing markdown content.

'markdown' => [
    'label' => 'Markdown',
    'type' => 'markdown',
],

The following options are available for the markdown form widget type:

  • mode: The editor view mode. Options are tab or split. Default is tab.

mediafinder renders a field for selecting media files from the media library.

'image' => [
    'label' => 'Image',
    'type' => 'mediafinder',
],

The following options are available for the mediafinder form widget type:

  • mode: The media finder view mode. Options are grid, inline. Default is grid.
  • prompt: The prompt text to display when no media is selected.
  • isMulti: Whether to allow multiple media selections. Default is false.
  • useAttachment: Whether to use the attachment ID instead of the media path. Default is false.
  • thumbOptions: Configuration options for generating media thumbnails. Default is ['fit' => 'contain', 'width' => 122, 'height' => 122].

recordeditor renders a field for selecting and managing records from a model.

'products' => [
    'label' => 'Products',
    'type' => 'recordeditor',
    'modelClass' => 'Author\Extension\Models\Product',
    'form' => [
        'fields' => [
            'name' => [
                'label' => 'Name',
                'type' => 'text',
            ],
            'price' => [
                'label' => 'Price',
                'type' => 'money',
            ],
        ],
    ],
],

The following options are available for the recordeditor form widget type:

  • modelClass: The model class to use for fetching records.
  • form: The form definition for creating and managing records. Either a reference to the form definition file or an array of fields.
  • formName: The form name to use for the record editor popup. Default is Record.
  • addonRight: An array of button options (see below) to display on the right side of the record editor.
  • addonLeft: An array of button options (see below) to display on the left side of the record editor.
  • popupSize: The size of the popup window. Options are modal-sm, modal-md, modal-lg, modal-xl.
  • hideEditButton: Whether to hide the edit button. Default is false.
  • hideDeleteButton: Whether to hide the delete button. Default is false.
  • hideCreateButton: Whether to hide the create button. Default is false.
  • attachToField: The field name to attach the selected record to.
  • addLabel: The label to display on the create button. Default is Add.
  • editLabel: The label to display on the edit button. Default is Edit.
  • deleteLabel: The label to display on the delete button. Default is Delete.
  • attachLabel: The label to display on the attach button. Default is Attach.

The following options are available for the addonRight and addonLeft buttons:

  • label: The button label.
  • tag: The button tag. Options are div, button, a. Default is div.
  • attributes: Additional HTML attributes to apply to the button. Define as an array of key-value pairs.

relation renders a single or multiple selection dropdown field for selecting related records. The label used for displaying each relation is retrieved by the nameFrom or select definition.

'category_id' => [
    'label' => 'Category',
    'type' => 'relation',
    'relationFrom' => 'category',
    'nameFrom' => 'name',
],

The following options are available for the relation form widget type:

  • relationFrom: The relation name to use for fetching related records, if different from the field name.
  • nameFrom: The model attribute name to use for displaying the related label.
  • select: A custom SQL select statement to use for each relation item label.
  • order: Used to sort options. Example name asc.
  • scope: A custom query scope method to apply to the relation query.
  • emptyOption: The text to display for the empty option. Default is -- none --.

repeater renders a field for repeating a set of fields.

'products' => [
    'label' => 'Products',
    'type' => 'repeater',
    'form' => [
        'fields' => [
            'name' => [
                'label' => 'Name',
                'type' => 'text',
            ],
            'price' => [
                'label' => 'Price',
                'type' => 'money',
            ],
        ],
    ],
],

The following options are available for the repeater form widget type:

  • form: The form definition for the fields to repeat. Either a reference to the form definition file or an array of fields.
  • prompt: The text to display for the create button. Default is Add item.
  • sortable: Whether to allow sorting of the repeater items. Default is false.
  • sortColumnName: The column name to use for sorting the repeater items. Default is priority.
  • showAddButton: Whether to show the add button. Default is true.
  • showRemoveButton: Whether to show the remove button. Default is true.
  • emptyMessage: The message to display when there are no items in the repeater. Default is lang:igniter::admin.text_empty.

richeditor renders a rich text editor field for editing HTML content.

'content' => [
    'label' => 'Content',
    'type' => 'richeditor',
],

The following options are available for the richeditor form widget type:

  • size: The size of the editor. Options are small, large. Default is large.
  • toolbarButtons: The buttons to display in the editor toolbar.

statuseditor renders a field for updating status and assignee for orders and reservations.

'status' => [
    'label' => 'Status',
    'type' => 'statuseditor',
    'form' => [
        'fields' => [
            'status_id' => [
                'label' => 'Status',
                'type' => 'select',
                'options' => 'listStatuses',
            ],
            'assignee_id' => [
                'label' => 'Assignee',
                'type' => 'select',
                'options' => 'listAssignees',
            ],
        ],
    ],
],

The following options are available for the statuseditor form widget type:

  • form: The form definition for creating and managing status and assignee. Either a reference to the form definition file or an array of fields.
  • formTitle: The title of the popup window. Default is Add %s.
  • statusFormName: The form name to use for the status editor popup.
  • assigneeFormName: The form name to use for the assignee editor popup.
  • statusKeyFrom: The model attribute to use as the primary key for the status.
  • assigneeKeyFrom: The model attribute to use as the primary key for the assignee.
  • assigneeGroupKeyFrom: The model attribute to use as the primary key for the assignee group.
  • statusNameFrom: The model attribute to use as the display name for the status.
  • assigneeNameFrom: The model attribute to use as the display name for the assignee.
  • assigneeGroupNameFrom: The model attribute to use as the display name for the assignee group.
  • statusColorFrom: The model attribute to use as the color for the status.
  • statusRelationFrom: The relation name to use for fetching status records.
  • assigneeRelationFrom: The relation name to use for fetching assignee records.

templateeditor renders a field for editing theme template files.

'content' => [
    'label' => 'Content',
    'type' => 'templateeditor',
],

The following options are available for the templateeditor field type:

  • form: The form definition for creating and managing layouts and pages template files. Either a reference to the form definition file or an array of fields.
  • formName: The form name to use for the template editor popup.
  • addLabel: The label to display on the add button.
  • editLabel: The label to display on the edit button.
  • deleteLabel: The label to display on the delete button.
  • placeholder: The placeholder text to display when no template is selected.

TastyIgniter provides a view file with the corresponding name (create.blade.php, edit.blade.php and preview.blade.php) for each page supported by form controllers, so you don't have to create them manually.

You can use the renderForm method on the FormController class to render the form fields. The first argument is an array of options to pass to the form fields, and the second argument is a boolean value indicating whether to render the toolbar buttons.

Create page

Here is an example of what the create.blade.php blade view file might look like:

{!! form_open([
    'id'     => 'edit-form',
    'role'   => 'form',
    'method' => 'POST',
]) !!}

    {!! $this->renderFormToolbar() !!}

    {!! $this->renderForm([], true) !!}

{!! form_close() !!}

In the example above, the renderForm method is used to render the form fields. The first argument is an array of options to pass to the form fields, and the second argument is a boolean value indicating whether to render the toolbar buttons.

Edit page

Here is an example of what the edit.blade.php blade view file might look like:

{!! form_open([
    'id'     => 'edit-form',
    'role'   => 'form',
    'method' => 'PATCH',
]) !!}

    {!! $this->renderFormToolbar() !!}

    {!! $this->renderForm([], true) !!}

{!! form_close() !!}

Notice the PATCH method used in the form open tag.

Preview page

Here is an example of what the preview.blade.php blade view file might look like:

{!! form_open([
    'id'     => 'edit-form',
    'role'   => 'form',
    'method' => 'POST',
]) !!}

    {!! $this->renderFormToolbar() !!}

    {!! $this->renderForm(['preview' => true], true) !!}

{!! form_close() !!}

Sometimes you want to manipulate the value or visibility of a form field based on specific rules, such as hiding an input if a checkbox is selected. There are few ways to achieve this, including using the trigger API or field dependencies. These options are discussed in more detail below.

The input preset converter is a way to convert the value of a field based of the value in another field. You can use the preset property in the field definition to define preset options. For example, to convert a value on the title field to a slug on the permalink field:

'title' => [
    'label' => 'Title',
    'type' => 'text',
],
'permalink' => [
    'label' => 'Permalink',
    'type' => 'permalink',
    'preset' => [
        'field' => 'title',
        'type' => 'slug',
    ],
],

The following options are available for the preset property:

  • field: The name of the other field that this field get its value from.
  • type: The type of preset to apply. Options are exact, slug, url, camelCase, and file.
  • prefixInput: The CSS Selector of the input element to get the prefix value from.

In TastyIgniter, you can apply conditions to form fields using the trigger property in the field definition. This allows you to create dynamic forms where the visibility or value of a field can change based on the state of other fields. For example, to show a field only when a checkbox is selected:

'is_active' => [
    'label' => 'Is active',
    'type' => 'checkbox',
],
'activation_date' => [
    'label' => 'Activation Date',
    'type' => 'datepicker',
    'trigger' => [
        'action' => 'show',
        'field' => 'is_active',
        'condition' => 'checked',
    ],
],

In this example, the activation_date field will only be shown if the is_active checkbox is checked. The trigger property is an array that defines the following keys:

  • action: The action to perform. It can be show, hide, enable, disable.
  • field: The name of the other field that this field is dependent on.
  • condition: The condition that must be met for the action to be performed. It can be checked, unchecked, value[somevalue].

Field dependencies are a way to update a field based on changes to another field. You can use the dependsOn property in the field definition to define the field dependencies. The dependsOn property is a string that defines the name of the other field that this field is dependent on. For example:

'is_active' => [
    'label' => 'Is active',
    'type' => 'checkbox',
],
'activation_date' => [
    'label' => 'Activation Date',
    'type' => 'datepicker',
    'dependsOn' => 'is_active',
],

In this example, the activation_date field will be updated whenever the is_active checkbox is changed.

In TastyIgniter, you can prevent a field from being submitted by prefixing the field name with an underscore _. Form fields beginning with underscore will be excluded from the saved data. For example:

'_map' => [
    'label' => 'Point your address on the map',
    'type' => 'mapview',
],

Additionally, you can add the disabled property to the field definition to prevent the field from being modified and exclude it from the saved data. For example:

'map' => [
    'label' => 'Point your address on the map',
    'type' => 'mapview',
    'disabled' => true,
],

To validate the fields of your form you should add a form request class to the request key in the form controller configuration $formConfig property. The form request class should extend the Igniter\System\Classes\FormRequest class and define a rules method that returns an array of validation rules. See Validation for more information on how to define validation rules.

You may need to extend the form controller to add custom functionality. There are several ways to extend the form controller:

You can override the create, edit and preview controller action by defining a method with the same name in your controller, then optionally call the parent method to execute the default action. For example:

public function edit($recordId, $context = null)
{
    // Your custom logic here

    $this->asExtension('FormController')->edit($recordId, $context);
}

You can override the form views by creating a new view file in the resources/views directory of an extension. The view file should have the same name as the form view file you want to override. For example, to override the create.blade.php view file rendered from MyController, create a new view file in the resources/views/mycontroller directory with the same name. Here is an example adding a sidebar to the form create page:

<div class="row">
    <div class="col-md-8">
        {!! form_open([
            'id'     => 'edit-form',
            'role'   => 'form',
            'method' => 'POST',
        ]) !!}
            {!! $this->renderFormToolbar() !!}
            {!! $this->renderForm([], true) !!}
        {!! form_close() !!}
    </div>
    <div class="col-md-4">
        <div class="card">
            <div class="card-body">
                <h5 class="card-title">Sidebar</h5>
                <p class="card-text">This is a sidebar</p>
            </div>
        </div>
    </div>
</div>

You can extend the model query by overriding the formExtendQuery method in your controller. This method is called before the form fields are rendered and can be used to modify the query used to fetch the model data. For example:

public function formExtendQuery($query)
{
    return $query->where('status', 'active');
}

Or, you can use the admin.controller.extendFormQuery event to extend the query from another extension. For example:

Event::listen('admin.form.extendQuery', function ($controller, $query) {
    if ($controller instanceof MyController) {
        $query->where('status', 'active');
    }
});

You can extend the form fields by overriding the formExtendFields method in your controller. This method is called before the form fields are rendered and can be used to add or modify form fields. For example:

public function formExtendFields(Form $widget)
{
    $widget->addFields([
        'is_active' => [
            'label' => 'Is active',
            'type' => 'switch',
        ],
    ]);
}

Or, you can use the admin.form.extendFields event to extend the form fields from another extension. For example:

Event::listen('admin.form.extendFields', function (Form $widget, $fields) {
    if ($widget->getController() instanceof MyController) {
        $widget->addFields([
            'is_active' => [
                'label' => 'Is active',
                'type' => 'switch',
            ],
        ]);
    }
});

Additionally, you can override the formExtendFieldsBefore method in your controller or use the admin.form.extendFieldsBefore event to modify the query before the form fields are rendered. For example:

public function formExtendFieldsBefore(Form $widget)
{
    unset($widget->fields['name']);
}

// Or use the event

Event::listen('admin.form.extendFieldsBefore', function (Form $widget, $query) {
    if ($widget->getController() instanceof MyController) {
        unset($widget->fields['name']);
    }
});

You may filter the form field definitions by overriding the filterFields method of the Model used. This lets you change the visibility and other field properties based on model data. The method accepts three parameters. $widget form widget object, $fields an array containing the fields defined by the field configuration, and $context the active form context.

public function filterFields($widget, &$fields, $context = null)
{
    if ($this->source_type == 'http') {
        $fields['source_url']['hidden'] = true;
    }
    
    if ($this->source_type == 'file') {
        $fields['source_file']['hidden'] = true;
    }
}
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