Busy Indicator

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Article Metadata

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Article

Created: User:Kbwiki (09 Nov 2009)

Last edited: hamishwillee (30 Jul 2012)

Inheritance

Nokia.Busy
    |- Nokia.Widget
        |- Nokia.Class (basic class)

1 - Description

An animation that lets the user know that the system is busy working on a user request. The Busy Indicator component is used when an operation is expected to take more than 1 second, but the system is not able to predict exactly how long it will take.

2 - Visual Design

3 - Component Dependencies

3.1 CSS

<!-- Themeroller CSS -->
<link rel="stylesheet" href="themes/themeroller/<theme>/Themeroller.css" type="text/css" media="screen">
<!-- Specific Theme/Resolution CSS -->
<link rel="stylesheet" href="/themes/nokia/ext-theme/<theme>/<resolution>/custom.css" type="text/css" media="screen">

3.2 Javascript

<!-- jQuery file -->
<script src="/lib/jquery/jQuery.js" type="text/javascript" charset="utf-8"></script>
<!-- Guarana file -->
<script src="/lib/Guarana.js" type="text/javascript" charset="utf-8"></script>

4 - Functional Specifications/Requirements

4.1 - Options

• element: 'selector'
  • jQuery selector or the DOM reference to become the container of the component.
• autoOpen: boolean
  • Defines whether the component will be showed on creation or not.
• image: string
  • The busy indication image path.
• height: int
  • Defines the component height.
• width: int
  • Defines the component width.

 

4.2 - Events - Callbacks

• create: function()
  • Scope: [this.element]
• destroy: function(event)
  • Scope: [this.element]
• hide: function(event)
  • Scope: [this.element]
• show: function(event)
  • Scope: [this.element]

 

4.3 - Methods

• destroy: function()
  • Destroys the busy component.
  • return [int]
• hide: function(value)
  • Hides the busy component.
  • return [void]

• show: function()
  • Shows the busy component.
  • return [int]

4.4- Default options

• autoOpen: true,
• overflow: true,
• height: 108,
• width: 108,
• loaderText: false

5 - Component Demo

5.1 HTML

<div id="busy01"> Div 01 </div>

5.2 Javascript

window.busy1 = new Nokia.Busy({
     element: '#busy01',
     image: 'themes/nokia/images/busyindicator.gif',
     height: 107,
     width: 108,
     autoOpen: false,
     create: function() {
          //alert("Busy: Create.");
     },
     show: function() {
          //alert("Busy: Show.");
     }
});

6 - Nokia WRT Browser Compatibility

 

▴	S60 3.1	S60 3.2	S60 5.0
Accordion	YES	YES	YES