sk.uniba.euromath.editor.widgets
Class EntityList

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

All Implemented Interfaces:

IUserInputWidget

public class EntityList
extends AbstractUserInputWidget

Shows list of entities.

Author:

Martin Vysny

Field Summary

protected String	_entityName Entity name is stored here.
protected Composite	composite Here all controls will be placed.
protected EntityManager	entityManager The entity manager.
protected List<? extends String>	entityNames Entity names list we can select an item from.
protected Combo	entitySelector Combo with all entities.
protected ValidityMessages	lastMessages Messages from last data retrieval.

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

listeners, msgListeners

Constructor Summary

EntityList(Composite parent, EntityManager entityManager, List<? extends String> entityNames)
Constructs the instance.

Method Summary

protected void	fillData() Fills _entityName from the controls, setting null and an error message if no entity is selected.
Composite	getComposite() Returns composite that is encapsulated in this object.
String	getEntityName() Returns actually selected entity name.
ValidityMessages	getMessages() Checks if data contained in the widget are correct.
String	getState() Returns the state of this widget.
Class<?>	getStateClass() Returns the class of the state that the widget accepts.
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

composite

protected final Composite composite

Here all controls will be placed.

entityNames

protected final List<? extends String> entityNames

Entity names list we can select an item from.

entityManager

protected final EntityManager entityManager

The entity manager.

entitySelector

protected final Combo entitySelector

Combo with all entities.

_entityName

protected String _entityName

Entity name is stored here.

lastMessages

protected ValidityMessages lastMessages

Messages from last data retrieval.

Constructor Detail

EntityList

public EntityList(Composite parent,
                  EntityManager entityManager,
                  List<? extends String> entityNames)

Constructs the instance.

Parameters:

parent - the parent component.

entityManager - an entity manager for the document.

entityNames - the list of entities that can be picked from.

Method Detail

getComposite

public Composite getComposite()

Description copied from interface: IUserInputWidget

Returns composite that is encapsulated in this object.

Returns:

composite where all controls are placed.

fillData

protected void fillData()

Fills _entityName from the controls, setting null and an error message if no entity is selected. The combobox must not yet be disposed.

getEntityName

public String getEntityName()

Returns actually selected entity name. Sets last error property if no entity is selected.

Returns:

entity name or null if no entity is selected.

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 String 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.