Package org.eclipse.jface.text.source.projection

Class ProjectionAnnotation

java.lang.Object

org.eclipse.jface.text.source.Annotation

org.eclipse.jface.text.source.projection.ProjectionAnnotation

All Implemented Interfaces:

IAnnotationPresentation

public class ProjectionAnnotation
extends Annotation
implements IAnnotationPresentation

Annotation used to represent the projection of a master document onto a ProjectionDocument. A projection annotation can be either expanded or collapsed. If expanded it corresponds to a segment of the projection document. If collapsed, it represents a region of the master document that does not have a corresponding segment in the projection document.

Clients may subclass or use as is.

Since:

3.0

Field Summary

Fields

Modifier and Type	Field	Description
static final String	TYPE	The type of projection annotations.

Fields inherited from class org.eclipse.jface.text.source.Annotation

TYPE_UNKNOWN

Fields inherited from interface org.eclipse.jface.text.source.IAnnotationPresentation

DEFAULT_LAYER

Constructor Summary

Constructors

Constructor	Description
ProjectionAnnotation()	Creates a new expanded projection annotation.
ProjectionAnnotation(boolean isCollapsed)	Creates a new projection annotation.

Method Summary

Modifier and Type	Method	Description
int	getLayer()	Returns the annotations drawing layer.
boolean	isCollapsed()	Returns the state of this annotation.
void	markCollapsed()	Marks this annotation as being collapsed.
void	markExpanded()	Marks this annotation as being unfolded.
void	paint(GC gc, Canvas canvas, Rectangle rectangle)	Implement this method to draw a graphical representation of this annotation within the given bounds.
void	setRangeIndication(boolean rangeIndication)	Enables and disables the range indication for this annotation.

Methods inherited from class org.eclipse.jface.text.source.Annotation

getText, getType, isMarkedDeleted, isPersistent, markDeleted, setText, setType

Methods inherited from class java.lang.Object

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

Field Details

TYPE

public static final String TYPE

The type of projection annotations.

See Also:

• Constant Field Values

Constructor Details

ProjectionAnnotation

public ProjectionAnnotation()

Creates a new expanded projection annotation.

ProjectionAnnotation

public ProjectionAnnotation(boolean isCollapsed)

Creates a new projection annotation. When isCollapsed is true the annotation is initially collapsed.

Parameters:

isCollapsed - true if the annotation should initially be collapsed, false otherwise

Method Details

setRangeIndication

public void setRangeIndication(boolean rangeIndication)

Enables and disables the range indication for this annotation.

Parameters:

rangeIndication - the enable state for the range indication

paint

public void paint(GC gc,
 Canvas canvas,
 Rectangle rectangle)

Description copied from interface: IAnnotationPresentation

Implement this method to draw a graphical representation of this annotation within the given bounds.

Note that this method is not used when drawing annotations on the editor's text widget. This is handled trough a AnnotationPainter.IDrawingStrategy.

Specified by:

paint in interface IAnnotationPresentation

Parameters:

gc - the drawing GC

canvas - the canvas to draw on

rectangle - the bounds inside the canvas to draw on

getLayer

public int getLayer()

Description copied from interface: IAnnotationPresentation

Returns the annotations drawing layer.

Specified by:

getLayer in interface IAnnotationPresentation

Returns:

the annotations drawing layer

isCollapsed

public boolean isCollapsed()

Returns the state of this annotation.

Returns:

true if collapsed

markCollapsed

public void markCollapsed()

Marks this annotation as being collapsed.

markExpanded

public void markExpanded()

Marks this annotation as being unfolded.