PopupSource

Type Parameters:

V - the vertex type

E - the edge type
```
public interface PopupSource<V,E>
```
An interface that provides graph and component information to the PopupRegulator

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addMouseMotionListener(java.awt.event.MouseMotionListener l)`	Adds the given mouse motion listener to the graph component.
`E`	`getEdge(java.awt.event.MouseEvent event)`	Returns an edge for the given event
`java.awt.Window`	`getPopupParent()`	Returns a suitable window parent for the popup window
`ToolTipInfo<?>`	`getToolTipInfo(java.awt.event.MouseEvent event)`	Returns the tool tip info object for the given mouse event.
`V`	`getVertex(java.awt.event.MouseEvent event)`	Returns a vertex for the given event
`void`	`repaint()`	Signals that the graph needs to repaint

- Method Detail
  - getToolTipInfo
```
ToolTipInfo<?> getToolTipInfo(java.awt.event.MouseEvent event)
```
    Returns the tool tip info object for the given mouse event. Implementations will use the event to determine whether a popup should be created for a vertex, edge, the graph or not at all.
    
    Parameters:
    
    event - the event
    
    Returns:
    
    the info; null for no popup
  - getVertex
```
V getVertex(java.awt.event.MouseEvent event)
```
    Returns a vertex for the given event
    
    Parameters:
    
    event - the event
    
    Returns:
    
    the vertex or null
  - getEdge
```
E getEdge(java.awt.event.MouseEvent event)
```
    Returns an edge for the given event
    
    Parameters:
    
    event - the event
    
    Returns:
    
    the edge or null
  - addMouseMotionListener
```
void addMouseMotionListener(java.awt.event.MouseMotionListener l)
```
    Adds the given mouse motion listener to the graph component. This allows the popup regulator to decided when to show and hide popups.
    
    Parameters:
    
    l - the listener
  - repaint
```
void repaint()
```
    Signals that the graph needs to repaint
  - getPopupParent
```
java.awt.Window getPopupParent()
```
    Returns a suitable window parent for the popup window
    
    Returns:
    
    the window parent