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Up and Running with Bootstrap 2
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Adding a dropdown menu to the tabs and pill navigation


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Up and Running with Bootstrap 2

with Jen Kramer

Video: Adding a dropdown menu to the tabs and pill navigation

Back in the last chapter we built a pill-based menu, and we're taking a look at a format of that right now. The pill-based menu had this rounded cornered blue rectangle indicating where you were on the page, and when you rolled over the navigation you had this light gray one that goes across the tab. I've added to this a secondary navigation right under schedule, which is where it appears right now. And I'd like this to be a dropdown menu, but at the moment it's displaying on this page in a static manner.

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Up and Running with Bootstrap 2
2h 38m Beginner Oct 12, 2012

Viewers: in countries Watching now:

Bootstrap is a free web development tool from Twitter that, with a little bit of CSS and JavaScript experience, makes building websites quick, intuitive, and fun. Author Jen Kramer explores its 12-column grid layout; typography and icon libraries; fully functional components like nav bars, buttons, and tabs; and much more. This course also shows how to add JavaScript extras like dropdown menus, modal windows, and photo carousels.

Topics include:
  • Understanding the difference between default and fluid grids
  • Nesting with fluid grids
  • Creating a thumbnail gallery
  • Adding block quotes and lists of text
  • Incorporating images and icons
  • Adding breadcrumb navigation and pagination
  • Using tabs and pills navigation
  • Making the nav bar responsive with JavaScript
  • Adding dropdown menus to the nav bar, tabs, and pill
Subjects:
Web Responsive Design Web Design Web Development
Software:
Bootstrap
Author:
Jen Kramer

Adding a dropdown menu to the tabs and pill navigation

Back in the last chapter we built a pill-based menu, and we're taking a look at a format of that right now. The pill-based menu had this rounded cornered blue rectangle indicating where you were on the page, and when you rolled over the navigation you had this light gray one that goes across the tab. I've added to this a secondary navigation right under schedule, which is where it appears right now. And I'd like this to be a dropdown menu, but at the moment it's displaying on this page in a static manner.

So let's take a look at the code and see what we need to do to make this truly a dropdown menu. So if you take a look here inside of Dreamweaver, you can see that I have added this bulleted list right here, lines 23 to 27. They are located inside of the li for schedule. That is the correct way to mark this up. Note that you start with the opening tag here on line 22 and the closing tag on line 28. In between you have the bullet list, each with its own bullet. So to make this a dropdown menu, there are several things we need to do to make that happen.

First of all, the li which contains the word schedule, we're going to need to add a class of dropdown. We'll also need to add a class to the ul located inside of that li. We're going to give that a class of dropdown-menu. So just adding those classes isn't going to do much for us. What we need to do now is make sure that the JavaScript is integrated into this, and where that will be applied is inside of the href, which goes around the word schedule.

So here we will add a class of dropdown-toggle, and then we're going to add that data-toggle which as I told you has to do with the JavaScript of dropdown. And those two particular items the class of dropdown toggle and the data-toggle of dropdown will give us the functionality that is required to make this work. So go ahead and Ctrl+S or Command+S to save the page and refresh this in Firefox, and you'll see here that we have the menu.

It doesn't look like there's a secondary navigation, but when I roll over the word schedule and click, you'll see that I get a dropdown that results. So that's pretty cool. But how did I know that I can click on the word schedule? Only because I coded it. We need to have some sort of indicator that the dropdown lives there under schedule. So to do that, we could add a little triangle that points downwards, and that would be a great indicator of that schedule is interactive and has a dropdown associated with it. So to do that, right here we have the word schedule. Just after that I'm going to put a space followed by a span class of caret and a /span.

It's exactly what we just did in the navigation bar dropdown video. So go ahead and save that, and if you refresh in Firefox, you'll see that the word schedule now has a triangle by it. That triangle's clickable and our dropdown menu appears underneath. So based on the code that I've given you here, you can add as many dropdown menus as you wish to your web pages. You can continue to add those through every navigation item that's on this page.

You could even apply them to some of these secondary navigation items. You could give them a nested list as well and have another dropdown appear from there as well.

Find answers to the most frequently asked questions about Up and Running with Bootstrap 2.


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Q: I am trying to create the image carousels shown in this course, and they are not functioning properly. The custom.css file seems to be missing from the exercise files and I think this is the reason. Can you provide it?
A: custom.css isn't created until the carousel indicators are added. However, these styles have to do with the way the indicators look, and nothinghas to do with the way the carousel functions.
 
Are you sure you're working with Bootstrap 2.x? You download that from here: 
http://getbootstrap.com/2.3.2/. The carousel changed radically between Bootstrap 2.x and Bootstrap 3, and this course might not work with version 3.
 
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