---
layout: doc
title: deliteful/Panel
---
# deliteful/Panel
`deliteful/Panel` is a container widget with a Title Bar on top, that uses CSS3 Flexible box to always show the title and fill the available
space with its children.
##### Table of Contents
[Element Instantiation](#instantiation)
[Element Configuration](#configuration)
[Element Styling](#styling)
[User Interactions](#interactions)
[Element Events](#events)
[Enterprise Use](#enterprise)
## Element Instantiation
See [`delite/Widget`](/delite/docs/master/Widget.md) for full details on how instantiation lifecycle works.
### Declarative Instantiation
```js
require(["deliteful/Panel", "requirejs-domready/domReady!"], function () {
});
```
```html
Content - Panel
```
### Programmatic Instantiation
```js
require([
"deliteful/Panel", "requirejs-domready/domReady!"
], function(Panel) {
var panel = new Panel({label: "panel"});
var content = document.createElement("div");
panel.addChild(content);
panel.placeAt(document.body);
});
```
## Element Configuration
The following properties can be set on the widget to configure it:
* `label`: the label to display in the panel header;
* `iconClass`: CSS class to apply to a DOM node before the label in order to render an icon;
* `closedIconClass`: this CSS class is only used when the panel is inside a [`deliteful/Accordion`](/deliteful/docs/master/Accordion.md)
and it is used to display an icon when the panel is closed.
`deliteful/Panel` support `delite` container infrastructure by inheriting from `delite/Container`.
For more informations, see [`delite/Container`](/delite/docs/master/Container.md) documentation.
## Element Styling
### Widget CSS Classes
The following CSS classes are automatically set by the widget and can be reused for overriding the default style.
CSS Class | Description
----------------- | -------------
`d-panel` | The panel container
`d-panel-header` | The title bar
`d-panel-content` | The content of the panel
### Styling CSS classes
The following CSS classes provided by the widget can be set explicitly on the element itself:
CSS Class | Description
-------------------| -------------
`d-panel-success` | Indicates a successful or positive information
`d-panel-info` | Indicates a neutral informative change or information
`d-panel-warning` | Indicates a warning that might need attention
`d-panel-danger` | Indicates a dangerous or potentially negative information
## User Interactions
`deliteful/Panel` does not provide any predefined interactions.
## Enterprise Use
### Accessibility
|type|status|comment|
|----|------|-------|
|Keyboard|N/A|No user interaction|
|Visual Formatting|ok|Supports high contrast on Firefox and Internet Explorer desktop browsers.|
|Screen Reader|ok|Title bar has an ARIA role of `heading` and content has an ARIA role of `region`. Tested with JAWS and VoiceOver|
### Globalization
`deliteful/Panel` does not provide any internationalizable bundle.
### Security
This widget has no specific security concern. Refer to [`delite/Widget`](/delite/docs/master/Widget.md) for general security advice on this base class.
### Browser Support
This widget supports all supported browsers.