net.sf.jguiraffe.examples.tutorial.mainwnd

Class OpenDesktopTask

java.lang.Object

net.sf.jguiraffe.examples.tutorial.mainwnd.AbstractDesktopTask

net.sf.jguiraffe.examples.tutorial.mainwnd.OpenDesktopTask

All Implemented Interfaces:

Runnable

public class OpenDesktopTask
extends AbstractDesktopTask

A specialized action task for opening a file or directory.

This task is executed when the user triggers the open action. Its behavior depends on the current selection in the table: If a file is selected, it is opened using the Desktop class. If a directory is selected, the controller is asked to navigate to this directory.

Version:

$Id: OpenDesktopTask.java 205 2012-01-29 18:29:57Z oheger $

Author:

Oliver Heger

Field Summary

Fields inherited from class net.sf.jguiraffe.examples.tutorial.mainwnd.AbstractDesktopTask

log

Constructor Summary

Constructors

Constructor and Description
OpenDesktopTask(MainWndController ctrl) Creates a new instance of OpenDesktopTask and initializes it with the main controller.

Method Summary

Modifier and Type	Method and Description
protected void	performDesktopOperation(Desktop desktop) Performs the desktop operation.
void	run() Executes this task.

Methods inherited from class net.sf.jguiraffe.examples.tutorial.mainwnd.AbstractDesktopTask

getController, getSelectedFile

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OpenDesktopTask

public OpenDesktopTask(MainWndController ctrl)

Creates a new instance of OpenDesktopTask and initializes it with the main controller.

Parameters:

ctrl - the main controller

Method Detail

run

public void run()

Executes this task. Here we check for the type of the selected element. Directories need to be handled in a special way.

Specified by:

run in interface Runnable

Overrides:

run in class AbstractDesktopTask

performDesktopOperation

protected void performDesktopOperation(Desktop desktop)
                                throws Exception

Performs the desktop operation. If this method is called, it is clear that a file is selected. The corresponding method on the Desktop instance is called.

Specified by:

performDesktopOperation in class AbstractDesktopTask

Parameters:

desktop - the Desktop instance

Throws:

Exception - if an error occurs