IModelChangedEvent

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org.eclipse.pde.core
Interface IModelChangedEvent

All Known Implementing Classes:: ModelChangedEvent

public interface IModelChangedEvent

Model change events are fired by the model when it is changed from the last clean state. Model change listeners can use these events to update accordingly.

Since:: 2.0

Field Summary

static int CHANGE
          indicates that a model object's property has been changed.

static int INSERT
          Indicates a change where one or more objects are added to the model.

static int REMOVE
          Indicates a change where one or more objects are removed from the model.

static int WORLD_CHANGED
          Indicates that the model has been reloaded and that listeners should perform full refresh.

Method Summary

java.lang.Object[] getChangedObjects()
          Returns an array of model objects that are affected by the change.

java.lang.String getChangedProperty()
          Returns a name of the object's property that has been changed if change type is CHANGE.

IModelChangeProvider getChangeProvider()
          Returns the provider that fired this event.

int getChangeType()
          Returns the type of change that occured in the model (one of INSERT, REMOVE , CHANGE or WORLD_CHANGED ).

java.lang.Object getNewValue()
          When model change is of type CHANGE , this method is used to obtain the new value of the property (after the change).

java.lang.Object getOldValue()
          When model change is of type CHANGE , this method is used to obtain the old value of the property (before the change).

Field Detail

INSERT

public static final int INSERT

Indicates a change where one or more objects are added to the model.

See Also:: Constant Field Values

REMOVE

public static final int REMOVE

Indicates a change where one or more objects are removed from the model.

See Also:: Constant Field Values

WORLD_CHANGED

public static final int WORLD_CHANGED

Indicates that the model has been reloaded and that listeners should perform full refresh.

See Also:: Constant Field Values

CHANGE

public static final int CHANGE

indicates that a model object's property has been changed.

See Also:: Constant Field Values

Method Detail

getChangeProvider

public IModelChangeProvider getChangeProvider()

Returns the provider that fired this event.

getChangedObjects

public java.lang.Object[] getChangedObjects()

Returns an array of model objects that are affected by the change.

getChangedProperty

public java.lang.String getChangedProperty()

Returns a name of the object's property that has been changed if change type is CHANGE.

getOldValue

public java.lang.Object getOldValue()

When model change is of type CHANGE , this method is used to obtain the old value of the property (before the change).

getNewValue

public java.lang.Object getNewValue()

When model change is of type CHANGE , this method is used to obtain the new value of the property (after the change).

getChangeType

public int getChangeType()

Returns the type of change that occured in the model (one of INSERT, REMOVE , CHANGE or WORLD_CHANGED ).