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Now to use jQuery UI in your project you of course have to download it and include it in your application, and that's what I'm going to cover here. So here I am on the jQuery UI homepage, and there's a couple of different ways to download jQuery UI. There is the Custom Download, which I'll get to in just a second, but there is these two other links down here. There is the Stable quick download which gives you a ZIP file of the current jQuery UI Library, and at the time of this recording that's version 1.10.2, which you need to use with jQuery 1.6 or later.
There is also the Legacy download, which is a version back, and that's 1.9.2, and again you can see that requires at least jQuery 1.6. So if you just want to download the quick, you know, default widgets in their current state, just use one of these two links. I'm going to, however, show the Custom Download, which is this link right here. When I click on the Custom Download button I get taken to the Download Builder, and the Download Builder allows me to customize what I want to include in my jQuery UI download.
Again, up here I've got the various stable and legacy links, if I change my mind I want to just download those, or I can scroll through here and see the various pieces of jQuery UI. So I can choose to only include the ones that I know I'm going to be using. I'm going to choose to leave all of the core options selected because these are the pieces of jQuery UI that you're going to need in order to use pretty much any of the basic functionality. But I can do things like turn off various functions that I know I'm not going to use.
So for example, if I know I'm not going to using the Sortable or Selectable behaviors from the Interactions, I can just turn those off. Similarly, I can turn off any of the controls that I know I'm not going to use. So if I know I won't be using the Progressbar and the Slider and the Spinner and so on, I can just go ahead and choose to turn those off. Now I'm going to leave them all clicked for the sake of argument. And then down here, you get the idea, I can do the same thing with the effects. I can just choose not to use whatever effects I know I'm not going to use. And then down here at the bottom is the CSS Theme that I want to include with my download.
Now, if I came here straight from Download Builder on the homepage, I can choose any one of the default ones. So for example I can just choose to download the Sunny theme. If I chose to come here through the download link on the theme roller page, I would have the option of choosing the custom theme that I just built, along with all of the options I just showed you, turning off the interactions and the widgets and the effects and so on. So what I'm going to do is just choose one of the basic CSS pre-provided ones, in this case the Sunny theme, and I'm going to choose to leave all of these guys clicked, so that you can see what the resulting folder looks like.
Then I would just choose the Download button right here, and that would download the jQuery UI with all of selected options to my computer. Now I'm not going to do that right now because it takes a few minutes and I've already done it anyway, so let's go over to the Desktop and take a look at the folder and see what it looks like when it comes down to your computer. So here on the desktop you can see that after I've downloaded jQuery UI, I get this ZIP file, which is jQuery-ui-1 .10.custom.zip, and I've extracted that to this folder right here.
So let's go ahead and open the folder, and inside the folder is another folder that contains all of the jQuery UI stuff. And it's organized into three different folders. There is the js folder, the css folder, and the development-bundle, and I'm going to take a look at each one of these. Now, before I look at the folders, let's double-click on the index file and see what's in there. Now the index file shows what my components are. Now this shows all the components because I chose to download all of them, but this would show me all of the components that I chose to download in the theme that I chose to download them with.
So you can see that as I scroll through here, I've got all my UI widgets that are using the base preprovided Sunny CSS theme. This gives me a quick glance at the existing components that I chose to download. All right, so let's minimize this. Let's take a look at the js folder. Inside the js folder I get two versions of jQuery UI. I get jQuery UI 1.10.2, or you know whatever the current version is that you downloaded.
This is the uncompressed development version, and here is the custom.min.js, and you can see the difference between this two file sizes about 200K. Just like in regular jQuery, you have an uncompressed development version that you can include in your web page while you're developing, and then you have a compressed version that you can include on your production website which takes less space and less time to download. jQuery UI also includes the latest version of the jQuery Library itself.
Now, that's the uncompressed development version. But you can choose to use the compressed version if you want to. All right, let's go back up. Now, let's take a look at the CSS folder. The CSS folder contains the name of the theme that I chose to download, and in this case it's the Sunny theme. So if we look inside here, you'll see that this is the CSS code, and again I get two different version. I get the uncompressed development version and the compressed and minified production version. And this is what I would put up to my production web server. And then inside this folder here are all of the images that that CSS theme needs in order to use.
Let's just go back. So this is what you would put into your CSS folder, or you could just choose to include the top-level folder and write the paths in your HTML files appropriately to go into this folder in order to access your CSS. Now, let's take a look at the development bundle. Now, the development bundle folder comes down by default, and it contains all of the developer information that needs to go along with building jQuery UI. Unless you're interested in seeing how the developers work on jQuery UI or contributing to the source code, you probably won't ever need to use what's in this folder, except for two, and I'm going to point those out right here.
The first is the docs folder. Now, the docs folder contains the documentation for all the various widgets. So if you happen to be working offline and you don't have access to the Internet, you can come in here and see the documentation for the various widgets. So let's go ahead and click on the Accordion widget and bring that up in the browser, and you can see that it's pretty barebones, right? I can click on these various links and you know read the documentation that goes along with the widget itself. This is true for all of the stuff I downloaded. Let's go back to the folder.
All right, let's go back up one level. Inside the demos folder are demos for each and every one of the components that I downloaded. So once again I can go into the accordion folder and I can click on the index file that's in that folder and bring it up and now all the demos that I had online on the jQuery UI website itself are here locally on my machine. So for example, I can click on the default functionality link, right, and you can see that this is the demo. I can go back, choose the Open on hover.
And we'll see how to do that when we build our practical site later on in the course.
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