com.tonbeller.wcf.tabbed
Class PanelSupport

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

All Implemented Interfaces:

java.util.EventListener, FormListener, NodeHandler, PanelChangeListener

public class PanelSupport

extends java.lang.Object

implements NodeHandler, PanelChangeListener, FormListener

Default implementation of a NodeHandler for a panel of a tabbed pane.

PanelSupport provides access to the FormComponent that contains the tabbed element, access to the TreeComponent if one is present and access to the TabbedHandler that manages this panel DOM element.

Author:

av

Field Summary

protected FormComponent	formComponent
protected org.w3c.dom.Element	panelElement
protected TabbedHandler	tabbedHandler

Constructor Summary

PanelSupport()

Method Summary

void	destroy(javax.servlet.http.HttpSession session)
protected TreeHandler	findTreeHandler(FormComponent fc) searches for the firs <xtree ...
FormComponent	getFormComponent()
TabbedHandler	getTabbedHandler()
void	initialize(RequestContext context, XmlComponent comp, org.w3c.dom.Element element) initializes the handler
boolean	isHidden()
void	panelChanged(PanelChangeEvent event) called when the user displays another panel
void	render(RequestContext context) renders itself by changing the DOM Element
void	revert(RequestContext context) format data for display
void	setHidden(RequestContext context, boolean hidden)
boolean	validate(RequestContext context) parse user input

Methods inherited from class java.lang.Object

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

Field Detail

formComponent

protected FormComponent formComponent

tabbedHandler

protected TabbedHandler tabbedHandler

panelElement

protected org.w3c.dom.Element panelElement

Constructor Detail

PanelSupport

public PanelSupport()

Method Detail

initialize

public void initialize(RequestContext context,
                       XmlComponent comp,
                       org.w3c.dom.Element element)
                throws java.lang.Exception

Description copied from interface: NodeHandler

initializes the handler

Specified by:

initialize in interface NodeHandler

Parameters:

context - the current request

element - the element that this handler is responsible for

Throws:

java.lang.Exception

destroy

public void destroy(javax.servlet.http.HttpSession session)
             throws java.lang.Exception

Specified by:

destroy in interface NodeHandler

Throws:

java.lang.Exception

findTreeHandler

protected TreeHandler findTreeHandler(FormComponent fc)
                               throws org.jaxen.JaxenException

searches for the firs <xtree ...> element in the DOM and returns the handler associated with it. Derived classes may override this if they know the id of the tree element they want to listen to, e.g. using FormComponent.getHandler(String id)

Throws:

org.jaxen.JaxenException

render

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

Description copied from interface: NodeHandler

renders itself by changing the DOM Element

Specified by:

render in interface NodeHandler

Throws:

java.lang.Exception

panelChanged

public void panelChanged(PanelChangeEvent event)

called when the user displays another panel

Specified by:

panelChanged in interface PanelChangeListener

validate

public boolean validate(RequestContext context)

parse user input

Specified by:

validate in interface FormListener

Returns:

true if validation was successful

revert

public void revert(RequestContext context)

format data for display

Specified by:

revert in interface FormListener

getFormComponent

public FormComponent getFormComponent()

Returns:

Returns the formComponent.

getTabbedHandler

public TabbedHandler getTabbedHandler()

Returns:

Returns the tabbedHandler.

isHidden

public boolean isHidden()

Returns:

Returns the hidden.

setHidden

public void setHidden(RequestContext context,
                      boolean hidden)

Parameters:

hidden - The hidden to set.