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POHow to queue up a bunch of user driven java swing events
 

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  1. POHow to queue up a bunch of user driven java swing events
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    <p>I have a bunch of checkboxes and radio buttons that allow a user to filter out items in a <code>JTable</code>.Each of the events need to be threaded to avoid the GUI freezing up. </p> <p>What I would like to do is queue up the events and act on them in the order they were received.</p> <p>Currently I have the following design but I think there must be a better way. Basically, I have for each potential queued method, an integer that maps to it. That integer value is added to a list in each <code>actionPerformed</code> method execution of integers that are looped through and translated to function calls. </p> <p>I was possibly thinking about using a EventQueue to call run on it. What is the best pattern or technique for this type of functionality?</p> <pre><code>Vector&lt;Integer&gt; taskQueue; /** * Adds tasks to a queue things are completed in the order they were added. This allows for * threading and concurrency issues.One task is done at a time. * @param */ private void doTasks() { if(!queueIsRunning) { doTasks = new Thread(){ public void run() { queueIsRunning = true; while(!taskQueue.isEmpty()) { intVal = taskQueue.get(0); taskQueue.remove(0); switch(intVal) { case DOM_HIGHLIGH_TASK: System.out.println("starting dom highlight"); highlightDom(); break; case FLASH_HIGHLIGH_TASK: System.out.println("starting flash highlight"); higlightFlash(); break; case SQL_HIGHLIGH_TASK: System.out.println("starting sql highlight"); highlightSQL(); break; case INFO_HIGHLIGH_TASK: System.out.println("starting infoleak highlight"); highlightInfoLeak(); break; case HTMLCOM_HIGHLIGH_TASK: System.out.println("starting htmlcomm highlight"); highlightHtmlComments(); break; case SORT_EXTENSIONS: sortExtensions(); } } queueIsRunning = false; } }; doTasks.start(); } } </code></pre>
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