Revision as of 11:46, 18 November 2009

Inheritance

Nokia.Widget
 
|- Nokia.DropDown

1 - Description

The Drop Down component behaves similarly to the Options Menu component.

2 - Visual Design

3 - Component Dependencies

3.1 CSS

<!-- Themeroller CSS -->
<link rel="stylesheet" href="/themes/themeroller/default-theme/THEMEROLLER.css" type="text/css" media="screen">
<!-- Nokia WRT Framework Base CSS -->
<link rel="stylesheet" href="/themes/nokia/base/JS4WRT.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>
<!-- JS4WRT file -->
<script src="/lib/JS4WRT.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.
• items[]: string
  • Defines the list of component items.
• maximize: boolean
  • Defines whether the component is created as maximised.

4.2 - Events - Callbacks

• create: function()
  • Scope: [this.element]

4.3 - Methods

• showOptions: function()
  • Shows the component options.
• return [void]
  • hideOptions: function()
• Hides the component options.
  • return [void]
• select: function(i, event)
  • Selects specific item i in the component.
• return [void]
  • getSelected: function()
• Returns the selected item in the component.
  • return [Object]

4.4 - Default options

• maximize: false

5 - Component Demo

5.1 HTML

<div id="dropdown"></div>

5.2 Javascript

window.dropdown = new Nokia.DropDown({
     element: '#dropdown',
     items: [
          {
               label: "First option",
               value: 'some value',
               select: function(item, event) {
                    alert('Drop Down Clicked on: ' + item.label);
               }
          },
          {
               label: "Second option",
               value: 'some value',
               select: function(item, event) {
                    alert('Drop Down Clicked on: ' + item.label);
               }
          },
          {
               label: "Third option",
               value: 'some value',
               select: function(item, event) {
                    alert('Drop Down Clicked on: ' + item.label);
               }
          },
     ]
});

6 - Nokia WRT Browser Compatibility: