IVerticalRulerInfoExtension (Eclipse Platform API Specification)

All Known Subinterfaces:

IChangeRulerColumn, IRevisionRulerColumn

All Known Implementing Classes:

AbstractRulerColumn, AnnotationColumn, AnnotationRulerColumn, ChangeRulerColumn, CompositeRuler, LineNumberChangeRulerColumn
```
public interface IVerticalRulerInfoExtension
```
Extension interface for IVerticalRulerInfo.
Introduces the ability to define a custom hover to be used when hovering over the vertical ruler described by this info instance, and to specify the annotation model used by it.
It also allows client to register as listeners on the represented vertical ruler and sends out notifications similar to selection events such as that a particular annotation presented in the vertical ruler has been selected.

Since:

3.0

See Also:

IVerticalRuler, IAnnotationModel

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addVerticalRulerListener(IVerticalRulerListener listener)`	Registers a vertical ruler listener to be informed if an annotation gets selected on the vertical ruler.
`IAnnotationHover`	`getHover()`	Returns the hover for this vertical ruler (column).
`IAnnotationModel`	`getModel()`	Returns the model currently used by the receiver.
`void`	`removeVerticalRulerListener(IVerticalRulerListener listener)`	Removes a previously registered listener.

- Method Detail
  - getHover
```
IAnnotationHover getHover()
```
    Returns the hover for this vertical ruler (column).
    
    Returns:
    
    the hover for this column
  - getModel
```
IAnnotationModel getModel()
```
    Returns the model currently used by the receiver.
    
    Returns:
    
    the model of the receiver, or null if no model is installed.
  - addVerticalRulerListener
```
void addVerticalRulerListener(IVerticalRulerListener listener)
```
    Registers a vertical ruler listener to be informed if an annotation gets selected on the vertical ruler.
    
    Parameters:
    
    listener - the listener to be informed
  - removeVerticalRulerListener
```
void removeVerticalRulerListener(IVerticalRulerListener listener)
```
    Removes a previously registered listener. If listener is not registered with the receiver, calling this method has no effect.
    
    Parameters:
    
    listener - the listener to be removed