newsfeed.vm

来自「这个weblogging 设计得比较精巧」· VM 代码 · 共 64 行

#**
 * The deprecated #showNewsfeeds() macro.
 * @author Lance Lavandowska (conversion to Velocimacros)
 * @author Dave Johnson (conversion from Digestor to Flock)
 *#

#**
 * Display an RSS newschannel as a list that may be styled via CSS.
 * @param feedUrl URL of RSS newschannel you wish to display.
 * @param showDescription True to show full content for each item in channel.
 * @param maxItems Maximum number of news items to display from newschannel.
 * @param expandingFolders True to display channel as a folding folder.
 *#
#macro( showNewsfeed $feedUrl $showDescription $maxItems $expandingFolders )
#set( $channel = $newsfeedCache.getChannel( $feedUrl ) )
#if( $channel )
    #set( $channelId = $utilities.stringReplace( $channel.title, " ", "_" ) )
    #set( $channelId = $utilities.stringReplace( $channelId, "'", "_" ) )
    #if( $expandingFolders )
        <div class="rNewsfeedTitle">
           <a href="javascript:toggleFolder('$channelId')">
           <span id="i$channelId">+</span> $channel.title</a>
        </div>
        <div id="$channelId" style="display:none">
    #else
        <span class="rNewsfeedTitle">$channel.title</span>
    #end
    <ul>
    #foreach( $item in $channel.entries )
        ## NOTE: Velocity does not have "break" command
        #if ( $maxItems == -1 || $velocityCount <= $maxItems )
            <li>#if( $item.title && $item.title!="<No Title>" && $item.guid )
                <a class="rNewsfeedLink" href="$item.guid.location">$item.title</a>
            #elseif( $item.title && $item.title!="<No Title>" && $item.link )
                <a class="rNewsfeedLink" href="$item.link">$item.title</a>
            #elseif( $item.description && $item.guid )
                <a class="rNewsfeedLink" href="$item.guid.location">$utilities.truncateNicely($utilities.removeHTML($item.description.value),25,30,"...")</a>
            #elseif($item.description && $item.link)
                <a class="rNewsfeedLink" href="$item.link">$utilities.truncateNicely($utilities.removeHTML($item.description.value),25,30,"...")</a>
            #elseif( $item.title )
                <span class="rNewsfeedLink">$item.title</span>
            #else
                <span class="rNewsfeedLink">$utilities.truncateNicely($utilities.removeHTML($item.description.value),25,30,"...")</span>
            #end
            #if( $showDescription && $item.description )
                <span class="rNewsfeedDesc">$item.description</span>
            #end</li>
        #end
    #end
    </ul>
    #if( $expandingFolders )
        </div>
        <script type="text/javascript">
        <!--
        folderPreference("$channelId");
        // -->
        </script>
    #end
#else
    <div class="rNewsfeedTitle">Unable to display <a href="$feedUrl">feed</a></div>
#end
#end