132 lines
3.5 KiB
Markdown
132 lines
3.5 KiB
Markdown
---
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layout: doc
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title: deliteful/Button
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---
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# deliteful/Button
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The `deliteful/Button` widget is a push button that can display a label and / or an icon. It extends the HTML 5 `button` element.
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##### Table of Contents
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[Element Instantiation](#instantiation)
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[Element Configuration](#configuration)
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[Element Styling](#styling)
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[User Interactions](#interactions)
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[Mixins](#mixins)
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[Element Events](#events)
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[Enterprise Use](#enterprise)
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<a name="instantiation"></a>
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## Element Instantiation
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See [`delite/Widget`](/delite/docs/master/Widget.md) for full details on how instantiation lifecycle is working.
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### Declarative Instantiation
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```html
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<html>
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<button is="d-button">I am a Button!</button>
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</html>
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```
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### Programmatic Instantiation
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```js
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require([
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"deliteful/Button"
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], function (Button) {
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var b = new Button({label: "I am a Button"});
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b.placeAt(document.body);
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});
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```
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<a name="configuration"></a>
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## Element Configuration
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The following properties can be set on the widget to configure it:
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* `label`: the label to display in the button;
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* `iconClass`: DOM class to apply to a DOM node before the label in order to render an icon;
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* `showLabel`: set it to true so that the button only displays an icon (especially useful for buttons in toolbars).
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The `disabled` attribute is also supported, in order to disable the button. A disabled button appears as disabled and does not emit any event when clicked.
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<a name="styling"></a>
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## Element Styling
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### Supported themes
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This widget provides default styling for the following delite themes:
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* bootstrap
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* ios
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* holodark
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### Widget CSS Classes
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The following CSS classes are automatically set by the widget and can be reused for overriding the default style.
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CSS Class | Description
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------------- | -------------
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`d-button` | The base class for a button
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### Styling CSS classes
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The following CSS classes provided by the widget can be set explicitly on the element yourself.
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CSS Class | Description
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-------------------| -------------
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`d-button-success` | Indicates a successful or positive action
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`d-button-info` | Indicates a neutral informative change or action
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`d-button-warning` | Indicates a warning that might need attention
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`d-button-danger` | Indicates a dangerous or potentially negative action
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Example of a custom button:
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<iframe width="100%" height="300" src="http://jsfiddle.net/ibmjs/NHft7/embedded/result,html,js,css" allowfullscreen="allowfullscreen" frameborder="0">
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<a href="http://jsfiddle.net/ibmjs/NHft7">checkout the sample on JSFiddle</a></iframe>
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<a name="interactions"></a>
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## User Interactions
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The only user interaction with a button is to activate it by:
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* clicking it using a mouse;
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* tapping it on a touch screen;
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* pressing the SPACE key when the button has keyboard focus.
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<a name="mixins"></a>
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## Mixins
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No mixin currently available for this widget.
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<a name="events"></a>
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## Element Events
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This widget does not emit any custom event.
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<a name="enterprise"></a>
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## Enterprise Use
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### Accessibility
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The widget has the same accessibility than a standard HTML 5 `<button>` element.
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### Globalization
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This widget does not provide any internationalizable bundle. The only string displayed by the button is the one defined by its `label` property.
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This widget supports both left to right and right to left orientation.
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### Security
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This widget has no specific security concern.
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### Browser Support
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This widget supports all supported browsers without any degrated behavior.
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