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Adding a Guarana UI button on a web page

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__NOTOC__
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|sourcecode= [[Media:adding a guarana ui button.diff.zip]] [[Media:adding a guarana ui button.zip]]  
{{KBCS}}
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{{ArticleMetaData
+
|id=CS001547
+
|platform=
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|devices=Nokia N97, Nokia 5800 XpressMusic
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|category=Web Runtime (WRT)
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|subcategory=Guarana UI, UI
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|creationdate=December 29, 2009
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|keywords=
+
 
+
|sourcecode= <!-- Link to example source code (e.g. [[Media:The Code Example ZIP.zip]]) -->
+
 
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|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
|sdk=<!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
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|devices= Nokia N97, Nokia 5800 XpressMusic
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|platform= <!-- Compatible platforms - e.g. Symbian^1 and later, Qt 4.6 and later -->
|capabilities=<!-- Capabilities required (e.g. Location, NetworkServices.) -->
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|devicecompatability= <!-- Compatible devices (e.g.: All* (must have GPS) ) -->
|author=[[User:Tapla]]
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This code snippet demonstrates how to add a button on a web page using Guarana UI components. The button component looks like this:<br/>
 
This code snippet demonstrates how to add a button on a web page using Guarana UI components. The button component looks like this:<br/>
[[File:Guarana_button_icon.jpg]]<br/>
+
[[File:Guarana button icon.jpg]]<br/>
 
You can download the component library from [[Guarana UI: a jQuery-Based UI Library for Nokia WRT|Nokia Developer]].
 
You can download the component library from [[Guarana UI: a jQuery-Based UI Library for Nokia WRT|Nokia Developer]].
  
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</code>
 
</code>
  
To disable the button, call the <tt>disable()</tt> function:
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To disable the button, call the {{Icode|disable()}} function:
  
 
<code javascript>
 
<code javascript>
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</code>
 
</code>
  
To create a toggle button, use the <tt>keeppressed</tt> attribute:
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To create a toggle button, use the {{Icode|keeppressed}} attribute:
  
 
<code javascript>
 
<code javascript>
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</code>
 
</code>
  
The <tt>press()</tt> and <tt>unpress()</tt> functions above are called when the button is toggled and untoggled, respectively. The constant <tt>width</tt> attribute ensures that the width of the button does not change when its label is changed.
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The {{Icode|press()}} and {{Icode|unpress()}} functions above are called when the button is toggled and untoggled, respectively. The constant {{Icode|width}} attribute ensures that the width of the button does not change when its label is changed.
  
 
'''Note''': The button component requires the following files from the library:
 
'''Note''': The button component requires the following files from the library:
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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.
 
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.
  
* The patched, executable application that can be used to test the features described in this snippet is available for download at [[Media:adding_a_guarana_ui_button.zip]].
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* The patched, executable application that can be used to test the features described in this snippet is available for download at [[Media:adding a guarana ui button.zip]].
* You can view all the changes that are required to implement the above-mentioned features. The changes are provided in unified diff and colour-coded diff (HTML) formats in [[Media:adding_a_guarana_ui_button.diff.zip]].
+
* You can view all the changes that are required to implement the above-mentioned features. The changes are provided in unified diff and colour-coded diff (HTML) formats in [[Media:adding a guarana ui button.diff.zip]].
 
* For general information on applying the patch, see [[Using Diffs]].
 
* For general information on applying the patch, see [[Using Diffs]].
 
* For unpatched stub applications, see [[Example stub]].
 
* For unpatched stub applications, see [[Example stub]].
  
 
[[Category:Symbian]][[Category:Guarana UI]][[Category:Code Examples]][[Category:Code Snippet]]
 
[[Category:Symbian]][[Category:Guarana UI]][[Category:Code Examples]][[Category:Code Snippet]]

Revision as of 09:30, 10 May 2012

Article Metadata
Code ExampleTested with
Devices(s): Nokia N97, Nokia 5800 XpressMusic
Compatibility
Platform(s):
Symbian
Article
Created: tapla (23 Nov 2009)
Last edited: hamishwillee (10 May 2012)

Contents

Overview

This code snippet demonstrates how to add a button on a web page using Guarana UI components. The button component looks like this:
Guarana button 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">
<!-- A regular push button -->
<span id="btnPush"></span>
<!-- A toggle button -->
<span id="btnToggle"></span>
</div>
</body>

Source: JavaScript

Nokia.use("button", init);
 
// Initializes the widget
function init() {
window.btnPush = new Nokia.Button({
element: "#btnPush",
label: "Push me!",
click: function() { printString("Thank You!"); }
});
}

To disable the button, call the disable() function:

// Disable the push button
window.btnPush.disable();

To create a toggle button, use the keeppressed attribute:

// Initializes the widget
function init() {
window.btnToggle = new Nokia.Button({
element: "#btnToggle",
keeppressed: true,
label: "Pressed",
pressed: true,
width: 90,
press: function() {
this.setLabel("Pressed");
},
unpress: function() {
this.setLabel("Unpressed");
}
});
}

The press() and unpress() functions above are called when the button is toggled and untoggled, respectively. The constant width attribute ensures that the width of the button does not change when its label is changed.

Note: The button 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/button.js (implicitly loaded by core.js)
  • themes/nokia/base/base.css (implicitly loaded by core.js)
  • themes/nokia/base/button.css (implicitly loaded by core.js)
  • 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 button is added on the web page. When it is clicked, a string is displayed on the screen.

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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