Class Atk4\Ui\Form\Control\TreeItemSelector

`extends`	`Control`

Display items in a hierarchical (tree) view structure.

When an item contains nodes with non empty values, it will automatically be treat as a group level;

The input value is store as an array type when allowMultiple is set to true, otherwise, will store one single value when set to false.

Only item ID are store within the input field.

see demos/tree-item-selector.php to see how tree items are build.

Atk4\Ui\AbstractView uses AppScopeTrait, ContainerTrait, InitializerTrait, NameTrait, StaticAddToTrait, TrackableTrait
- Atk4\Ui\View
  - Atk4\Ui\Form\Control
    - Atk4\Ui\Form\Control\TreeItemSelector

Located at ui/src/Form/Control/TreeItemSelector.php

Methods
`protected`	`init(): void` Called when view becomes part of render tree. You can override it but avoid placing any "heavy processing" here. Called when view becomes part of render tree. You can override it but avoid placing any "heavy processing" here. Overrides `Atk4\Ui\Form\Control::init()`	#
`public`	`onItem(Closure(mixed): (JsExpressionable\|View\|string\|void) $fx): void` Provide a function to be executed when clicking an item in tree selector. The executing function will receive an array… Provide a function to be executed when clicking an item in tree selector. The executing function will receive an array with item state in it when allowMultiple is true or a single value when false.	#
`public`	`getInput(): string` Returns <input ...> tag. Returns <input ...> tag.	#
`public`	`getValue(): string\|null`	#
`protected`	`renderView(): void` View-specific rendering stuff. Feel free to replace this method with your own. View::renderView contains some logic… View-specific rendering stuff. Feel free to replace this method with your own. View::renderView contains some logic that integrates with Fomantic-UI. Overrides `Atk4\Ui\Form\Control::renderView()`	#

Methods inherited from Atk4\Ui\Form\Control
`set(), renderTemplateToHtml(), onChange(), jsInput()`

Methods inherited from Atk4\Ui\View
`__construct(), setModel(), setSource(), setMissingProperty(), setElement(), link(), getExecutorFactory(), add(), getClosestOwner(), addClass(), removeClass(), setStyle(), removeStyle(), setAttr(), removeAttr(), url(), jsUrl(), _getStickyArgs(), stickyGet(), recursiveRender(), renderAll(), render(), renderToTab(), renderToJsonArr(), getHtml(), js(), vue(), jsEmitEvent(), jsGetStoreData(), jsClearStoreData(), jsAddStoreData(), jsReload(), on(), getHtmlId(), getJsRenderActions(), getJs()`

Methods inherited from Atk4\Ui\View

__construct(), setModel(), setSource(), setMissingProperty(), setElement(), link(), getExecutorFactory(), add(), getClosestOwner(), addClass(), removeClass(), setStyle(), removeStyle(), setAttr(), removeAttr(), url(), jsUrl(), _getStickyArgs(), stickyGet(), recursiveRender(), renderAll(), render(), renderToTab(), renderToJsonArr(), getHtml(), js(), vue(), jsEmitEvent(), jsGetStoreData(), jsClearStoreData(), jsAddStoreData(), jsReload(), on(), getHtmlId(), getJsRenderActions(), getJs()

Methods inherited from Atk4\Ui\AbstractView
`getOwner()`

Methods used from Atk4\Core\AppScopeTrait
`assertInstanceOfApp(), issetApp(), getApp(), setApp()`

Methods used from Atk4\Core\ContainerTrait
`_uniqueElementName(), _addContainer(), removeElement(), _shorten(), getElement(), hasElement()`

Methods used from Atk4\Core\InitializerTrait
`isInitialized(), assertIsInitialized(), invokeInit()`

Methods used from Atk4\Core\StaticAddToTrait
`_addToAdd(), addTo(), addToWithCl(), addToWithClUnsafe()`

Methods used from Atk4\Core\TrackableTrait
`issetOwner(), setOwner(), unsetOwner(), getDesiredName(), destroy()`

Properties
`public`	`HtmlTemplate\|null`	`$itemSelectorTemplate` Template for the item selector view. Template for the item selector view.	#
`public`	`View\|null`	`$itemSelector` The tree item selector View. The tree item selector View.	#
`public`	`string`	`$loaderCssName = 'atk-tree-loader'`	#
`public`	`bool`	`$allowMultiple = true` Allow multiple selection or just one. Allow multiple selection or just one.	#
`public`	`array`	`$treeItems = []`	#
`private`	`JsCallback\|null`	`$cb` Callback for onTreeChange. Callback for onTreeChange.	#

Properties inherited from Atk4\Ui\Form\Control
`$form, $entityField, $controlClass, $layoutWrap, $renderLabel, $width, $caption, $hint, $disabled, $readOnly`

Properties inherited from Atk4\Ui\View
`$_jsActions, $model, $region, $ui, $class, $style, $attr, $template, $defaultTemplate, $content, $element, $executorFactory, $stickyArgs`

Properties inherited from Atk4\Ui\AbstractView
`$_addLater, $_rendered, $elements`

Properties used from Atk4\Core\AppScopeTrait
`$_app, $maxNameLength, $uniqueNameHashes`

Properties used from Atk4\Core\ContainerTrait
`$_elementNameCounts`

Properties used from Atk4\Core\InitializerTrait
`$_initialized`

Properties used from Atk4\Core\NameTrait
`$name`

Properties used from Atk4\Core\TrackableTrait
`$_owner, $shortName`

Namespaces

Classes

Class Atk4\Ui\Form\Control\TreeItemSelector

Overrides

Overrides