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jQuery Essential Training

Using the jQuery UI ThemeRoller


From:

jQuery Essential Training

with Joe Marini

Video: Using the jQuery UI ThemeRoller

Now, you might be wondering if it's possible to customize the appearance of the widgets provided by jQuery UI. You probably have your own custom CSS and appearance in your web application, and you want to make sure that the widgets that you're going to use from jQuery UI look the same inside your web page. And the answer of course is yes. You can customize the way that they look. That's what we're going to do in this movie. So, let's go ahead and click on the Themes link right here. That will take me to the ThemeRoller application, and here is where I can customize the way that the widgets look.
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  1. 2m 52s
    1. Welcome
      1m 9s
    2. Using the exercise files
      1m 43s
  2. 17m 37s
    1. What is jQuery?
      5m 19s
    2. Downloading and installing jQuery
      2m 20s
    3. Creating a simple jQuery-enabled page
      7m 12s
    4. Overview of jQuery's features
      2m 46s
  3. 59m 57s
    1. Overview of selectors and filters
      2m 9s
    2. Using basic jQuery selectors
      9m 6s
    3. Using basic jQuery filters
      8m 35s
    4. Using jQuery attribute filters
      6m 7s
    5. Child, visibility, and content filters
      9m 59s
    6. Form selectors and filters
      9m 3s
    7. Traversing documents
      9m 1s
    8. Understanding jQuery statement chaining
      1m 42s
    9. Practical example 1: Annotating page links
      4m 15s
  4. 47m 16s
    1. Creating, getting, and setting content
      5m 53s
    2. Manipulating attributes
      5m 43s
    3. Inserting content
      4m 57s
    4. Wrapping, replacing, and removing content
      5m 27s
    5. Working with CSS
      6m 19s
    6. Associating data with page elements
      9m 30s
    7. Practical example 2: Automatic TOC generator
      9m 27s
  5. 33m 6s
    1. Understanding the jQuery event handling features
      2m 4s
    2. Binding and unbinding events
      6m 23s
    3. Convenient event helper methods
      4m 40s
    4. Using the jQuery event object
      6m 21s
    5. Using miscellaneous event features
      4m 38s
    6. Practical example 3: Table striping and highlighting
      9m 0s
  6. 28m 45s
    1. Hiding and showing elements
      5m 23s
    2. Fading elements in and out
      4m 2s
    3. Sliding elements
      4m 3s
    4. Creating custom animations
      5m 58s
    5. Practical example 4: Image rotator
      9m 19s
  7. 25m 30s
    1. Introduction to jQuery UI
      3m 40s
    2. Exploring the jQuery UI widgets
      5m 24s
    3. Exploring the jQuery UI effects
      3m 58s
    4. Using the jQuery UI ThemeRoller
      4m 11s
    5. Downloading and installing jQuery UI
      8m 17s
  8. 47m 49s
    1. Overview of the sample web site
      3m 50s
    2. Using the accordion widget
      9m 14s
    3. Creating an image rotator
      10m 22s
    4. Building hover tooltips
      7m 26s
    5. Making an image selector
      9m 30s
    6. Using the Resizable effect
      7m 27s
  9. 30m 2s
    1. Working with Asynchronous JavaScript and XML (AJAX)
      10m 8s
    2. Using AJAX helpers
      4m 34s
    3. Understanding AJAX data types
      10m 14s
    4. Using global AJAX event handlers
      5m 6s
  10. 20s
    1. Goodbye
      20s

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jQuery Essential Training
4h 53m Beginner Sep 01, 2009 Updated May 24, 2013

Viewers: in countries Watching now:

In jQuery Essential Training, Microsoft professional Joe Marini presents the power of the jQuery library, an open-source JavaScript project that greatly simplifies the process of adding advanced functionality to web sites. Joe teaches how to use these new features to build pages that work across browsers with the functionality that today's users (and clients) are looking for, from complex animation effects to dynamic page formatting. Joe pulls all of this together, showing how the jQuery UI plug-in can expand and streamline the capability of jQuery, and then integrating jQuery design tools into a complete sample web site. Exercise files accompany the course.

Topics include:
  • Constructing jQuery selectors and filters to gather information from web pages
  • Creating, inserting, and manipulating web page content
  • Understanding jQuery statement chaining
  • Building event handlers that work across browsers
  • Working with jQuery effects, such as showing, hiding, and fading page elements
  • Creating custom animations with specialized properties and options
  • Using the jQuery UI plug-in to give pages a polished look
Subjects:
Developer Mobile Apps Web Mobile Web Web Development
Software:
Ajax jQuery jQuery Mobile
Author:
Joe Marini

Using the jQuery UI ThemeRoller

Now, you might be wondering if it's possible to customize the appearance of the widgets provided by jQuery UI. You probably have your own custom CSS and appearance in your web application, and you want to make sure that the widgets that you're going to use from jQuery UI look the same inside your web page. And the answer of course is yes. You can customize the way that they look. That's what we're going to do in this movie. So, let's go ahead and click on the Themes link right here. That will take me to the ThemeRoller application, and here is where I can customize the way that the widgets look.

Now, before I get started, let me just point out that this page, the ThemeRoller application, contains all of the user interface elements that jQuery UI provides. So we can see, at a glance, how each thing is going to look when we change the appearance. Right, here's the Accordion, the Buttons, the Autocomplete, the Spinner, the Datepicker, the Tabs and so on. So all the controls are right here on one page. Now, there's two ways to use ThemeRoller to build a custom appearance. The first way is to simply roll your own, in which case you have a whole bunch of categories that you can expand out and change the various settings for the theme that you can then download.

The other way to do it is to use the gallery of prebuilt themes that you can apply to the various user interface elements. So let me begin by just choosing a couple of the prebuilt themes so you can see what they look like. So, you can see here when I click on UI lightness, I get a nice prebuilt look and feel for these components. If I click on UI darkness, I get a completely different look and feel, and if I scroll down here to the bottom of the page, you'll see that below the section over here, there is a Reverse page background color option.

So, I can click that to see what the theme will look like on a dark-themed page. And you can see in this case the UI darkness looks a lot better on a dark theme page than it does on a light theme page. So, let's try a few more. Here's the Smoothness theme. Here's is the Start theme. Here is the Sunny theme. In fact let me go back and turn of that setting to go back to the light-colored page. Let's scroll back up. And this one, the Sunny one, looks kind of nice, and you know what? I think I am going to use this one in my practical example for later.

Now, one of the other things I want to point out is that you can customize the way that any one of these prebuilt themes looks by going back over to the Roll Your Own category after selecting the one that you want to use. So, in this case, if I go back to Roll Your Own, you'll see that now these categories have picked up all the settings that are predefined by default in the Sunny category. So, let me go scroll down a little bit and show you how some of these changes might look.

So here's the Alert Sample, right. This is what an error message might look like using the Sunny UI sample. So, let me scroll back up and choose the Error category. Let me choose a different background color. So right now it's kind of this reddish kind of color. Let me make it purple, okay, and you can see that when I scroll back down now, you can see there it's changed. I'll scroll back up. And let me choose a different icon color. Let's make the icon nice and green, and when we scroll back down, you can see that the icon is now green.

So, you can customize the way that any one of the prebuilt themes looks inside of the ThemeRoller application. Now, when you're ready to download, you can download the theme just by itself. If you click on Download Theme, this will take me to the Download Builder application, which will allow me to download all of jQuery UI as well as the theme. But if I scroll down, you'll see that this has now been set to Custom Theme. It lets me choose the name of the folder. I can rename it here if I want to.

So, I could rename it Joe's Sunny theme or whatever. Let me go back to the ThemeRoller application. All right! So that's how we use ThemeRoller to build a custom appearance or a predefined appearance for the widgets that you want to use in your application using jQuery UI.

Find answers to the most frequently asked questions about jQuery Essential Training.


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Q: When attempting to download jQuery, as the author does in the movie “Downloading and installing jQuery,” the file does not download. When any of the links on the download page are clicked, the browser opens a page of code instead.
A: This sometimes happens when a web browser doesn't have the proper MIME type to prompt the user to download the file instead of open it directly. Therefore, the browser is opening the code instead of downloading it. If this occurs, download the file on a by Control-clicking (Mac) or right-clicking (Windows) on the download link and choosing the Save File option, which will download it to the computer.
Q: Why do some of the examples use the form $("document") instead of just $(document)?
A: jQuery's $(document).ready() function will work with either form. As a reminder, you can also just use the $() shorthand to accomplish the same thing:
 
$(function() {
// code to run when the document is ready
});
Q: I am stuck on the first exercise in Chapter 1, video 3 "Creating a simple jQuery enabled page".

Your example javascript code, both in the movie and in the exercise files,
reads as follows:

<script type="text/javascript">
$("document").ready(function() {
alert("The page just loaded!");
});
</script>

This is not working for me.
A: After jQuery 1.3.2, a change was made where quotes were no
longer needed around the "document" argument to the jQuery $() function.

Type the following instead.

<script type="text/javascript">
$(document).ready(function() {
alert("The page just loaded!");
});
</script>
Q: How do I remove the resize handle that appears on on <textarea> elements in some browsers, such as Firefox and Chrome?
A: Some browsers automatically provide this feature for these text elements. You can disable this feature using CSS by providing a style rule for the element that specifies no resize behavior. Add the rule "resize: none;" to a stylesheet that is applied to the textarea, and the resize handle will not appear.

Q: This course was updated on 5/24/2013. What changed?

A: This update includes a new chapter on the jQuery AJAX features, new movies on associating data with page elements, and updates to the chapters on events and the jQuery UI plugin to reflect changes in JQuery 1.8.
Q: In Chapter 7, for the "Using the Resizable effect" movie, the example code from the Groundswell_Final and Groundswell_Start folders isn't limiting the width of the window. What should I do?
A: There's a bug in the example file. You need to add: 
textarea { resize:none;}

to the main.css file in the _css folder, and change the link tag in register.htm from:

<link href="../_css/sunny/jquery-ui-1.7.2.custom.css" rel="stylesheet" type="text/css" media="screen, projection" />

to

<link href="../_css/sunny/jquery-ui-1.10.2.custom.css" rel="stylesheet" type="text/css" media="screen, projection" />

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