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/**
*
*/
package uk.org.ury.frontend;
import uk.org.ury.frontend.exceptions.UICreationFailureException;
/**
* Abstract class for frontend module control panels.
*
* Control panels are installed as a means of exposing module
* intercommunication to the user. For example, when the library
* viewer is launched from the playout module, a control panel
* is installed allowing the user to add library items to the
* playout system.
*
* @author Matt Windsor
*/
public abstract class FrontendControlPanel extends FrontendPanel
{
/**
*
*/
private static final long serialVersionUID = -5628250552779928189L;
protected FrontendControlPanel prevCPanel;
protected FrontendModulePanel parent;
protected FrontendModulePanel child;
/**
* Alternative constructor allowing an XML file to be used to
* create the layout of the ControlPanel.
*
* This is provided for the benefit of subclasses of this class
* that use it in their default constructors.
*
* @param xmlPath The path, relative from this source file, to the
* XML file from which this panel will read its
* layout.
*
* @throws UICreationFailureException if the UI creation fails.
*/
public
FrontendControlPanel (String xmlPath)
throws UICreationFailureException
{
super (xmlPath, null);
}
/**
* Set the parent and child panels that this ControlPanel
* facilitates intercommunication.
*
* @param parent The panel belonging to the parent module,
* or the module that was switched out in place of
* the child.
*
* @param child The panel belonging to the child module,
* or the module that was switched in in place of
* the parent.
*/
public void
setPanels (FrontendModulePanel parent, FrontendModulePanel child)
{
this.parent = parent;
this.child = child;
}
/**
* Set the previous control panel (if any), so that it can be
* restored when this control panel returns control to the
* parent.
*
* @param cpanel The previous control panel.
*/
public void
setPreviousCPanel (FrontendControlPanel cpanel)
{
prevCPanel = cpanel;
}
}
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