sk.uniba.euromath.editor.widgets
Class MultiWidget

java.lang.Object
  sk.uniba.euromath.editor.widgets.AbstractUserInputWidget
      sk.uniba.euromath.editor.widgets.MultiWidget

All Implemented Interfaces:

IUserInputWidget

public class MultiWidget
extends AbstractUserInputWidget

Encapsulates multiple widgets into one.

The widget's model is a List containing models of all child widgets, in the same order as in the getWidgets() list. You may override this behaviour to return some composition bean or the like.

Author:

Martin Vysny

Field Summary

protected Composite	parent composite where all widgets are placed
protected List<? extends IUserInputWidget>	widgets list of all encapsulated widgets.

Fields inherited from class sk.uniba.euromath.editor.widgets.AbstractUserInputWidget

listeners, msgListeners

Constructor Summary

MultiWidget(Composite parent, List<? extends IUserInputWidget> widgets)
Creates the encapsulator.

Method Summary

Composite	getComposite() Returns composite that is encapsulated in this object.
ValidityMessages	getMessages() Checks if data contained in the widget are correct.
List<Object>	getState() Returns the state of this widget.
Class<?>	getStateClass() Returns the class of the state that the widget accepts.
List<? extends IUserInputWidget>	getWidgets() Returns a list of widgets provided to the constructor.
void	setState(Object model) Sets new state for the widget.

Methods inherited from class sk.uniba.euromath.editor.widgets.AbstractUserInputWidget

addMessageListener, addModifyListener, allowModifyEvent, fireDataModified, removeMessageListener, removeModifyListener, suppressModifyEvent

Methods inherited from class java.lang.Object

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

Field Detail

parent

protected final Composite parent

composite where all widgets are placed

widgets

protected final List<? extends IUserInputWidget> widgets

list of all encapsulated widgets.

Constructor Detail

MultiWidget

public MultiWidget(Composite parent,
                   List<? extends IUserInputWidget> widgets)

Creates the encapsulator.

Parameters:

parent - composite where all widgets are already placed

widgets - list of all encapsulated widgets.

Method Detail

getWidgets

public final List<? extends IUserInputWidget> getWidgets()

Returns a list of widgets provided to the constructor.

Returns:

list of widgets.

getComposite

public final Composite getComposite()

Description copied from interface: IUserInputWidget

Returns composite that is encapsulated in this object.

Returns:

composite where all controls are placed.

getMessages

public ValidityMessages getMessages()

Description copied from interface: IUserInputWidget

Checks if data contained in the widget are correct. Contains error/info/warning messages that occured during last data change.

Returns:

null if data is correct, or instance of ValidityMessages if there is error, warning or info message.

getState

public List<Object> getState()

Description copied from interface: IUserInputWidget

Returns the state of this widget. The state must be in sync with the controls placed on the widget.

Returns:

the model.

getStateClass

public Class<?> getStateClass()

Description copied from interface: IUserInputWidget

Returns the class of the state that the widget accepts.

Returns:

model class, never null.

setState

public void setState(Object model)

Description copied from interface: IUserInputWidget

Sets new state for the widget. The widget must re-read all relevant properties from the state and set its controls with new values.

Parameters:

model - the model to set. You may use the construct setModel(getModel()) to reflect changes made in the model. Please note that nearly all widgets rejects null value.