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Updating the CSS and HTML files

From: Set a Marquee to Autoplay with jQuery and Dreamweaver

Video: Updating the CSS and HTML files

Now to begin our project, we're going to take the Previous Final Files folder inside of the Exercise Files folder. We're going to Option+Drag a copy on the Mac to the Desktop. On Windows you can use Alt+Drag or you can Copy and Paste in either platform. We are going to name this myAutoplayMarquee. We're going to open this up, move it over, and open up the Includes folders so I can see all the files I need to open. We're going to open the CSS, the JavaScript file, and the HTML file.

Updating the CSS and HTML files

Now to begin our project, we're going to take the Previous Final Files folder inside of the Exercise Files folder. We're going to Option+Drag a copy on the Mac to the Desktop. On Windows you can use Alt+Drag or you can Copy and Paste in either platform. We are going to name this myAutoplayMarquee. We're going to open this up, move it over, and open up the Includes folders so I can see all the files I need to open. We're going to open the CSS, the JavaScript file, and the HTML file.

We're going to take all three of these and drag and drop them on top of Dreamweaver. Now if you're interested in watching this exact same course using a code- only approach, using Aptana Studio instead of Dreamweaver you can find that in the library as well. In this version of this course, we're going to be using Dreamweaver as our main editor. And with all these files opened in Dreamweaver, I can see the tabs across the top, our JavaScript file, our Index file, and the CSS. So in this CCS file the first thing we want to do is come down to the bottom of the document and I want to add two new CSS rules that are going to change the way the player looks when it's in its auto play mode, which is what we're going to have the player load in by default.

We're going to start by typing .marquee_container.autoplay. We're going to be adding this autoplay class onto the main container with JavaScript. Next we're going to type .marquee_nav, space a, beginning and ending parenthesis. Let's split that open. So now what this is going to do is target anchor links inside of the marquee_nav, if they're inside of the autoplay.

So we are basically going to be overriding some of these values here if the autoplay class exists. So what we're going to set in here is opacity, so type opacity: .4 for 40% and then a semicolon. Now Internet Explorer doesn't support the opacity tag, so we're going to come down here. We're going to use the filter attribute. So type filter: alpha, beginning and ending parenthesis, semicolon and then inside we're going to type opacity=40.

There is a slightly newer variation of the opacity setting for IE 8 and 9, but I do want to target IE 7 since we do have transparency and PNG support in IE 7, so we're going to use the filter attribute. Filter also works in IE 6; however, lot of the other transparency we're using in this course are not supported an IE 6, so we're targeting IE 7 and higher with this marquee. Now with this in place, let's grab this entire rule. Command+C or Ctrl+C to Copy, Command+V or Ctrl+V to Paste, and what we're going to do is come down here and change the rule to the .selected on the anchor tag.

We're going to change the .4 to 1 and we're going to change the 40 to 100 for IE. So basically what's happening here is if the navigation is in its selected state, since we overrode all of those items as 40% we need to set this one back to 100. This will give us our semitransparent navigation with the selected item being 100% as we looked at in the introduction video. With this change, let's choose File > Save.

Let's come over to our HTML file. Let's look in Code view, and in Dreamweaver we can't assign multiple classes to an objects in the WYSIWYG interface, but we can do it in the code. So I want to find the div class ="marquee_ container". This is the main marquee container. Hit a Space, type autoplay. Let's choose File > Save and then Preview in Browser. What we'll see inside of our browser, we hit Reload, is now our navigation that is not in its selected state is now semitransparent.

So if I roll over these, I can see that they are semitransparent. If I click on one of them, they still work. The selected item becomes 100% and the other ones remain semitransparent. So now we have the visual state of our autoplay in place. In the next movie we're going to start to setup our debug area.

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