com.jgraph.navigation

Class PanningTool

java.lang.Object

org.jgraph.graph.BasicMarqueeHandler

com.jgraph.navigation.PanningTool

public class PanningTool
extends BasicMarqueeHandler

Tool that inserts vertices based on a prototype.

Field Summary

Fields

Modifier and Type	Field and Description
protected int	dx
protected int	dy
protected int	m_XDifference
protected int	m_YDifference
protected java.awt.Cursor	panningCursor The cursor to display when panning

Fields inherited from class org.jgraph.graph.BasicMarqueeHandler

currentPoint, marqueeBounds, previousCursor, startPoint

Constructor Summary

Constructors

Constructor and Description
PanningTool()

Method Summary

Modifier and Type	Method and Description
java.awt.Cursor	getPanningCursor()
boolean	isForceMarqueeEvent(java.awt.event.MouseEvent e) The panning tool always has control if it is selected.
void	mouseDragged(java.awt.event.MouseEvent e) Includes the specified startPoint in the marquee selection.
void	mousePressed(java.awt.event.MouseEvent event) Sets the appropriate panning cursor and check how far the pan is
void	mouseReleased(java.awt.event.MouseEvent event) Ensures the cursor is set
protected void	processMouseDraggedEvent(java.awt.event.MouseEvent event) Overrides the parent's implementation to update the preview bounds to the current.
void	setPanningCursor(java.awt.Cursor panningCursor)

Methods inherited from class org.jgraph.graph.BasicMarqueeHandler

getCurrentPoint, getGraphForEvent, getMarqueeBounds, getPreviousCursor, getStartPoint, handleMarqueeEvent, isMarqueeTriggerEvent, mouseMoved, overlay, paint, setCurrentPoint, setMarqueeBounds, setPreviousCursor, setStartPoint

Methods inherited from class java.lang.Object

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

Field Detail

m_XDifference

protected int m_XDifference

m_YDifference

protected int m_YDifference

dx

protected int dx

dy

protected int dy

panningCursor

protected java.awt.Cursor panningCursor

The cursor to display when panning

Constructor Detail

PanningTool

public PanningTool()

Method Detail

isForceMarqueeEvent

public boolean isForceMarqueeEvent(java.awt.event.MouseEvent e)

The panning tool always has control if it is selected.

Overrides:

isForceMarqueeEvent in class BasicMarqueeHandler

mousePressed

public void mousePressed(java.awt.event.MouseEvent event)

Sets the appropriate panning cursor and check how far the pan is

Overrides:

mousePressed in class BasicMarqueeHandler

Parameters:

event - The object that describes the event.

processMouseDraggedEvent

protected void processMouseDraggedEvent(java.awt.event.MouseEvent event)

Overrides the parent's implementation to update the preview bounds to the current.

Overrides:

processMouseDraggedEvent in class BasicMarqueeHandler

Parameters:

event - The object that describes the event.

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Includes the specified startPoint in the marquee selection. Calls overlay.

Overrides:

mouseDragged in class BasicMarqueeHandler

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent event)

Ensures the cursor is set

Overrides:

mouseReleased in class BasicMarqueeHandler

Parameters:

event - The object that describes the event.

getPanningCursor

public java.awt.Cursor getPanningCursor()

Returns:

the panningCursor

setPanningCursor

public void setPanningCursor(java.awt.Cursor panningCursor)

Parameters:

panningCursor - the panningCursor to set