LensTranslatingGraphMousePlugin

java.lang.Object
- edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin
- - edu.uci.ics.jung.visualization.control.TranslatingGraphMousePlugin
  - - edu.uci.ics.jung.visualization.control.LensTranslatingGraphMousePlugin

All Implemented Interfaces:

GraphMousePlugin, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.util.EventListener
```
public class LensTranslatingGraphMousePlugin
extends TranslatingGraphMousePlugin
implements java.awt.event.MouseListener, java.awt.event.MouseMotionListener
```
Extends TranslatingGraphMousePlugin and adds the capability to drag and resize the viewing lens in the graph view. Mouse1 in the center moves the lens, mouse1 on the edge resizes the lens. The default mouse button and modifiers can be overridden in the constructor.

Field Summary

Fields
Modifier and Type Field and Description

protected boolean dragOnEdge

protected boolean dragOnLens

protected double edgeOffset
- Fields inherited from class edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin
  cursor, down, modifiers

Fields
Modifier and Type	Field and Description
`protected boolean`	`dragOnEdge`
`protected boolean`	`dragOnLens`
`protected double`	`edgeOffset`

Constructor Summary

Constructors
Constructor and Description
`LensTranslatingGraphMousePlugin()` create an instance with default modifiers
`LensTranslatingGraphMousePlugin(int modifiers)` create an instance with passed modifer value

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`mouseDragged(java.awt.event.MouseEvent e)` check the modifiers.
`void`	`mousePressed(java.awt.event.MouseEvent e)` Check the event modifiers.
`void`	`mouseReleased(java.awt.event.MouseEvent e)` unset the 'down' point and change the cursoe back to the system default cursor

Methods inherited from class edu.uci.ics.jung.visualization.control.TranslatingGraphMousePlugin
mouseClicked, mouseEntered, mouseExited, mouseMoved

Methods inherited from class edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin
checkModifiers, getCursor, getModifiers, setCursor, setModifiers

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.awt.event.MouseListener
mouseClicked, mouseEntered, mouseExited

Methods inherited from interface java.awt.event.MouseMotionListener
mouseMoved

- Field Detail
  - dragOnLens
```
protected boolean dragOnLens
```
  - dragOnEdge
```
protected boolean dragOnEdge
```
  - edgeOffset
```
protected double edgeOffset
```
- Constructor Detail
  - LensTranslatingGraphMousePlugin
```
public LensTranslatingGraphMousePlugin()
```
    create an instance with default modifiers
  - LensTranslatingGraphMousePlugin
```
public LensTranslatingGraphMousePlugin(int modifiers)
```
    create an instance with passed modifer value
    
    Parameters:
    modifiers - the mouse event modifier to activate this function
- Method Detail
  - mousePressed
```
public void mousePressed(java.awt.event.MouseEvent e)
```
    Check the event modifiers. Set the 'down' point for later use. If this event satisfies the modifiers, change the cursor to the system 'move cursor'
    
    Specified by:
    
    mousePressed in interface java.awt.event.MouseListener
    
    Overrides:
    
    mousePressed in class TranslatingGraphMousePlugin
    
    Parameters:
    e - the event
  - mouseReleased
```
public void mouseReleased(java.awt.event.MouseEvent e)
```
    unset the 'down' point and change the cursoe back to the system default cursor
    
    Specified by:
    
    mouseReleased in interface java.awt.event.MouseListener
    
    Overrides:
    
    mouseReleased in class TranslatingGraphMousePlugin
  - mouseDragged
```
public void mouseDragged(java.awt.event.MouseEvent e)
```
    check the modifiers. If accepted, move or resize the lens according to the dragging of the mouse pointer
    
    Specified by:
    
    mouseDragged in interface java.awt.event.MouseMotionListener
    
    Overrides:
    
    mouseDragged in class TranslatingGraphMousePlugin
    
    Parameters:
    e - the event

Class LensTranslatingGraphMousePlugin

Field Summary

Fields inherited from class edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin

Constructor Summary

Method Summary

Methods inherited from class edu.uci.ics.jung.visualization.control.TranslatingGraphMousePlugin

Methods inherited from class edu.uci.ics.jung.visualization.control.AbstractGraphMousePlugin

Methods inherited from class java.lang.Object

Methods inherited from interface java.awt.event.MouseListener

Methods inherited from interface java.awt.event.MouseMotionListener

Field Detail

dragOnLens

dragOnEdge

edgeOffset

Constructor Detail

LensTranslatingGraphMousePlugin

LensTranslatingGraphMousePlugin

Method Detail

mousePressed

mouseReleased

mouseDragged