Module org.jhotdraw8.draw

Package org.jhotdraw8.draw.model

Class DrawingModelEvent

java.lang.Object

java.util.EventObject

org.jhotdraw8.base.event.Event<DrawingModel>

org.jhotdraw8.draw.model.DrawingModelEvent

All Implemented Interfaces:

Serializable

public class DrawingModelEvent
extends org.jhotdraw8.base.event.Event<DrawingModel>

DrawingModelEvent.

Author:

Werner Randelshofer

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	DrawingModelEvent.EventType

Field Summary

Fields inherited from class java.util.EventObject

source

Method Summary

Modifier and Type	Method	Description
Figure	getChild()	If a child was added or removed, returns the child.
Drawing	getDrawing()	If a child was added or removed from a drawing, returns the drawing.
DrawingModelEvent.EventType	getEventType()	Returns the event type.
int	getIndex()	If the figure was added or removed, returns the child index.
<T> @NonNull Key<T>	getKey()	If the figure was changed, returns the property key.
<T> @Nullable T	getNewValue()	If the figure was changed, returns the new property value.
Figure	getNode()	The figure which was added, removed or of which a property changed.
<T> @Nullable T	getOldValue()	If the figure was changed, returns the old property value.
Figure	getParent()	If a child was added or removed from a parent, returns the parent.
static <T> @NonNull DrawingModelEvent	layoutChanged(@NonNull DrawingModel source, Figure figure)
static <T> @NonNull DrawingModelEvent	propertyValueChanged(@NonNull DrawingModel source, Figure figure, Key<T> key, T oldValue, T newValue, boolean wasAdded, boolean wasRemoved)
static <T> @NonNull DrawingModelEvent	styleInvalidated(@NonNull DrawingModel source, Figure figure)
@NonNull String	toString()
static <T> @NonNull DrawingModelEvent	transformChanged(@NonNull DrawingModel source, Figure figure)
boolean	wasAdded()	If the figure was changed, returns true if the property value was added.
boolean	wasRemoved()	If the figure was changed, returns true if the property value was removed.

Methods inherited from class org.jhotdraw8.base.event.Event

getSource

Methods inherited from class java.lang.Object

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

Method Details

propertyValueChanged

public static <T> @NonNull DrawingModelEvent propertyValueChanged(@NonNull DrawingModel source,
 Figure figure,
 Key<T> key,
 T oldValue,
 T newValue,
 boolean wasAdded,
 boolean wasRemoved)

transformChanged

public static <T> @NonNull DrawingModelEvent transformChanged(@NonNull DrawingModel source,
 Figure figure)

layoutChanged

public static <T> @NonNull DrawingModelEvent layoutChanged(@NonNull DrawingModel source,
 Figure figure)

styleInvalidated

public static <T> @NonNull DrawingModelEvent styleInvalidated(@NonNull DrawingModel source,
 Figure figure)

getNode

public Figure getNode()

The figure which was added, removed or of which a property changed.

Returns:

the figure

getKey

public <T> @NonNull Key<T> getKey()

If the figure was changed, returns the property key.

Type Parameters:

T - the value type

Returns:

the key

getOldValue

public <T> @Nullable T getOldValue()

If the figure was changed, returns the old property value.

Type Parameters:

T - the value type

Returns:

the old value

getNewValue

public <T> @Nullable T getNewValue()

If the figure was changed, returns the new property value.

Type Parameters:

T - the value type

Returns:

the new value

getParent

public Figure getParent()

If a child was added or removed from a parent, returns the parent.

Returns:

the parent

getDrawing

public Drawing getDrawing()

If a child was added or removed from a drawing, returns the drawing.

Returns:

the drawing

getChild

public Figure getChild()

If a child was added or removed, returns the child.

Returns:

the child

getIndex

public int getIndex()

If the figure was added or removed, returns the child index.

Returns:

an index. Returns -1 if the figure was neither added or removed.

getEventType

public DrawingModelEvent.EventType getEventType()

Returns the event type.

Returns:

the event type

wasAdded

public boolean wasAdded()

If the figure was changed, returns true if the property value was added.

Returns:

true if added

wasRemoved

public boolean wasRemoved()

If the figure was changed, returns true if the property value was removed.

Returns:

true if removed

toString

public @NonNull String toString()

Overrides:

toString in class EventObject