com.tonbeller.wcf.tabbed
Class TabbedHandler

java.lang.Object
  com.tonbeller.wcf.tabbed.TabbedHandler

All Implemented Interfaces:

NodeHandler, RequestListener

public class TabbedHandler

extends java.lang.Object

implements NodeHandler, RequestListener

A NodeHandler that is associated with a <tabbed> element and manages visibility of its <panel> children.

Author:

av

Constructor Summary

TabbedHandler()

Method Summary

void	addPanelChangedListener(PanelChangeListener l)
void	destroy(javax.servlet.http.HttpSession session)
protected void	fireChanged(org.w3c.dom.Element currentPanel)
NodeHandler	getPanelHandler(java.lang.String panelId) returns the NodeHandler for the panel or null if there was no NodeHandler.
void	initialize(RequestContext context, XmlComponent comp, org.w3c.dom.Element tabbed) initializes the handler
void	removePanelChangedListener(PanelChangeListener l)
void	render(RequestContext context) does nothing
void	request(RequestContext context) notified by a Dispatcher for specific HTTP Requests
void	setCurrentPanel(RequestContext context, org.w3c.dom.Element newCurrentPanel) sets the current panel.
void	setHidden(RequestContext context, org.w3c.dom.Element panel, boolean hidden) hides or unhides the panel with panelId.

Methods inherited from class java.lang.Object

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

Constructor Detail

TabbedHandler

public TabbedHandler()

Method Detail

initialize

public void initialize(RequestContext context,
                       XmlComponent comp,
                       org.w3c.dom.Element tabbed)

Description copied from interface: NodeHandler

initializes the handler

Specified by:

initialize in interface NodeHandler

Parameters:

context - the current request

tabbed - the element that this handler is responsible for

destroy

public void destroy(javax.servlet.http.HttpSession session)

Specified by:

destroy in interface NodeHandler

request

public void request(RequestContext context)
             throws java.lang.Exception

Description copied from interface: RequestListener

notified by a Dispatcher for specific HTTP Requests

Specified by:

request in interface RequestListener

Parameters:

context - the current request

Throws:

java.lang.Exception

render

public void render(RequestContext context)
            throws java.lang.Exception

does nothing

Specified by:

render in interface NodeHandler

Throws:

java.lang.Exception

addPanelChangedListener

public void addPanelChangedListener(PanelChangeListener l)

removePanelChangedListener

public void removePanelChangedListener(PanelChangeListener l)

fireChanged

protected void fireChanged(org.w3c.dom.Element currentPanel)

setCurrentPanel

public void setCurrentPanel(RequestContext context,
                            org.w3c.dom.Element newCurrentPanel)

sets the current panel. If the panel is hidden, the hidden attribute is removed (the panel will be visible). Fires a PanelChangeEvent.

Parameters:

context -

setHidden

public void setHidden(RequestContext context,
                      org.w3c.dom.Element panel,
                      boolean hidden)

hides or unhides the panel with panelId. If the current panel gets hidden, the first non-hidden panel will become the current panel.

If the panel contains a role attribute, the call is ignored unless the current user is a member of that role.

Parameters:

context -

getPanelHandler

public NodeHandler getPanelHandler(java.lang.String panelId)

returns the NodeHandler for the panel or null if there was no NodeHandler. NodeHandlers are registered via the handler attribute in the XML file describing the form.

Parameters:

panelId - id attribute of the panel element

Returns:

the node handler or null