Part IV: Beyond the Blog in Java

Make Code 128B in Java Part IV: Beyond the Blog
Part IV: Beyond the Blog
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Why stop there Why not just put empty widget areas where your various elements on the site could be It will do the job, but you ll have to cram them in wherever they will fit, and this will have to take the rest of the design and content into account. You will have to do that either way, of course, but there is an alternative. Replace parts of the content. If you re running an magazine-ish site, you may sometimes get the opportunity to roll out big so-called roadblocks, ads that take over a lot more of the site than just common banners and leaderboards. These things usually run for a shorter amount of time, and you get paid a lot for them, compared to ads. Or, take another approach: say you re an Apple blogger and you want to cover the Apple WWDC or MacWorld in a timely manner, making sure that your readers won t miss it. How Plaster the site in promotional graphics of course! Both these examples will work poorly (in most cases) if you just add stuff to widget areas positioned around the site s normal elements. They will, however, work perfectly well if you replace parts of the site s content, meaning any element really. This effect is pretty easy to get working, thanks to the fact that widget areas can come preloaded with content. 182 This is a widget area called Teaser, and it should come preloaded with the content you want in that particular spot on a day-to-day basis:
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< php if ( !function_exists('Teaser') || !dynamic_sidebar() ) : > [The normal content would go here. Links, headlines, whatever. . . ] < php endif; >
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Just put it in there; it can be anything, really. A headline section, a poll, must-read lists, loops, links you name it. Anything. However, when you drop a widget in the Teaser widget area within the WordPress admin interface, the default content won t show; it will be replaced with the widget you dropped. So dropping a text widget with your big fat promo image for the Apple event, or your new e-book, or whatever, will replace the original content. When you remove the image from the Teaser widget area, the default content will return by default. Pretty nifty, huh And actually pretty simple to maintain as well; if something goes wrong, you can just remove the widget you put there, and you ll always revert to default. Another great use of widgets is navigational menus, which make sure users can add menu items themselves without having to rely on the theme designer.
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9: WordPress as a CMS
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Managing Menus
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Menus are important: they need to look good and be easy to maintain. When you re using WordPress as a CMS, this is perhaps even more important. Thanks to WordPress widgets, you can make this a whole lot easier. Naturally, if you know the menu won t need updating anytime soon, you can just hardcode it into the theme, but that may be too definitive for a lot of cases. In Notes Blog Core, there is a widget area called Submenu just under the header (see Figure 9-1). It is empty by default since not all people would want anything there, but should you populate it with an unordered list you ll get your menu. The widget area is defined in functions.php and the actual area is just like most widgets, but contains nothing: hence when not outputting anything, it should it be empty. It does, however, come with some extra flair that lets you apply some CSS to it when it does in fact contain data. This is how the Submenu widget area is defined in functions.php:
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register_sidebar(array( 'name' => 'Submenu', 'id' => 'submenu', 'before_widget' => '<div id="submenu-nav">', 'after_widget' => '</div>', 'before_title' => false, 'after_title' => false ));
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183 And this is what it looks like in header.php:
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<div id="header"> <h1><a href="< php bloginfo('url'); >" title="< php bloginfo('name'); >" name="top">< php bloginfo('name'); ></a> <span>< php bloginfo('description'); ></span></h1> </div> < php if ( !function_exists('dynamic_sidebar') || !dynamic_sidebar('Submenu') ) : >< php endif; >
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