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Adding a Guarana UI checkbox on a web page

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Revision as of 09:31, 10 May 2012

Article Metadata
Code ExampleTested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s):
Symbian
Article
Created: tapla (27 Nov 2009)
Last edited: hamishwillee (10 May 2012)

Contents

Overview

This code snippet demonstrates how to add a checkbox on a web page using Guarana UI components. The checkbox component looks like this:
Guarana checkbox icon.jpg
You can download the component library from Nokia Developer.

Source: Relevant HTML components

<head>
<!-- Guarana UI style sheets -->
<link rel="stylesheet"
href="style/themes/themeroller/default-theme/ui.all.css"
type="text/css" media="screen">
 
<!-- Guarana UI scripts -->
<script type="text/javascript" src="lib/jquery/jquery.js"
charset="utf-8"></script>
<script type="text/javascript" src="lib/guarana/defaults.js"
charset="utf-8"></script>
<script type="text/javascript" src="lib/guarana/core.js"
charset="utf-8"></script>
</head>
<body>
<div id="bodyContent" class="bodyContent">
<input type="checkbox" id="cb0" name="cb0" value="Checkbox 1" />
<input type="checkbox" id="cb1" name="cb1" value="Checkbox 2" />
<input type="checkbox" id="cb2" name="cb2" value="Checkbox 3" />
</div>
</body>

Source: JavaScript

var CHECKBOXES = 3;
var checkboxes = [];
 
Nokia.use("optiongroup", "checkbox", init);
 
// Initializes the widget
function init() {
for (var i = 0; i < CHECKBOXES; i++) {
checkboxes[i] = new Nokia.CheckBox({
element: "#cb" + i,
label: "Checkbox " + (i + 1),
wrapper: "div"
});
}
}

To find out if the checkbox has been checked, use the isChecked() method:

// Shows the checked boxes.
function executeSnippet() {
var checkboxesChecked = 0;
for (var i = 0; i < checkboxes.length; i++) {
if (checkboxes[i].isChecked()) {
checkboxesChecked++;
}
}
displayNote("Checked checkboxes: " + checkboxesChecked);
}

Note: The checkbox component requires the following files from the library:

  • lib/jquery/jquery.js
  • src/core.js
  • src/defaults.js
  • src/dom.js (implicitly loaded by core.js)
  • src/util.js (implicitly loaded by core.js)
  • src/device.js (implicitly loaded by core.js)
  • src/animation.js (implicitly loaded by core.js)
  • src/widget.js (implicitly loaded by core.js)
  • src/optionbox.js (implicitly loaded by core.js)
  • src/checkbox.js (implicitly loaded by core.js)
  • themes/nokia/base/base.css (implicitly loaded by core.js)
  • themes/nokia/base/checkbox.css (implicitly loaded by core.js)
  • themes/nokia/base/images/checkbox.png (from checkbox.css)
  • themes/nokia/base/images/shadow.png (from base.css)
  • themes/nokia/base/images/shadow-c.png (from base.css)
  • themes/nokia/base/images/shadow-lr.png (from base.css)
  • themes/themeroller/default-theme/ui.accordion.css
  • themes/themeroller/default-theme/ui.all.css
  • themes/themeroller/default-theme/ui.base.css
  • themes/themeroller/default-theme/ui.core.css
  • themes/themeroller/default-theme/ui.theme.css
  • themes/themeroller/default-theme/images/ui-bg_diagonals-thick_10_444444_40x40.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-bg_flat_0_000000_40x100.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-bg_glass_20_9f1504_640x400.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-bg_glass_40_8ab61c_640x400.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-bg_glass_55_8ab61c_640x400.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-bg_glass_100_c2cba5_640x400.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-bg_highlight-hard_80_ededed_640x100.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-bg_highlight-soft_100_ededed_640x100.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-icons_89bf43_256x240.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-icons_97B72B_256x240.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-icons_222222_256x240.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-icons_e3bfb5_256x240.png (from ui.theme.css)
  • themes/themeroller/default-theme/images/ui-icons_ffffff_256x240.png (from ui.theme.css)

Postconditions

A Guarana UI checkbox is added on the web page. When Options > Execute snippet is selected, the number of checked checkboxes is displayed.

See also

Supplementary material

This code snippet is part of the stub concept, which means that it has been patched on top of a template application in order to be more useful for developers. The version of the WRT stub application used as a template in this snippet is v1.2.

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