CH.ifa.draw.standard
Class AbstractTool

java.lang.Object
  CH.ifa.draw.standard.AbstractTool

All Implemented Interfaces:

Tool

Direct Known Subclasses:

ActionTool, ConnectionTool, CreationTool, DragTracker, HandleTracker, PolygonTool, ScribbleTool, SelectAreaTracker, SelectionTool, URLTool

public class AbstractTool
extends java.lang.Object
implements Tool

Default implementation support for Tools.

See Also:

DrawingView, Tool

Field Summary

protected int	fAnchorX The position of the initial mouse down.
protected int	fAnchorY The position of the initial mouse down.
protected DrawingView	fView

Constructor Summary

AbstractTool(DrawingView itsView)
Constructs a tool for the given view.

Method Summary

void	activate() Activates the tool for the given view.
void	deactivate() Deactivates the tool.
Drawing	drawing() Gets the tool's drawing.
DrawingEditor	editor() Gets the tool's editor.
void	keyDown(java.awt.event.KeyEvent evt, int key) Handles key down events in the drawing view.
void	mouseDown(java.awt.event.MouseEvent e, int x, int y) Handles mouse down events in the drawing view.
void	mouseDrag(java.awt.event.MouseEvent e, int x, int y) Handles mouse drag events in the drawing view.
void	mouseMove(java.awt.event.MouseEvent evt, int x, int y) Handles mouse moves (if the mouse button is up).
void	mouseUp(java.awt.event.MouseEvent e, int x, int y) Handles mouse up in the drawing view.
DrawingView	view() Gets the tool's view.

Methods inherited from class java.lang.Object

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

Field Detail

fView

protected DrawingView fView

fAnchorX

protected int fAnchorX

The position of the initial mouse down.

fAnchorY

protected int fAnchorY

The position of the initial mouse down.

Constructor Detail

AbstractTool

public AbstractTool(DrawingView itsView)

Constructs a tool for the given view.

Method Detail

activate

public void activate()

Activates the tool for the given view. This method is called whenever the user switches to this tool. Use this method to reinitialize a tool.

Specified by:

activate in interface Tool

deactivate

public void deactivate()

Deactivates the tool. This method is called whenever the user switches to another tool. Use this method to do some clean-up when the tool is switched. Subclassers should always call super.deactivate.

Specified by:

deactivate in interface Tool

mouseDown

public void mouseDown(java.awt.event.MouseEvent e,
                      int x,
                      int y)

Handles mouse down events in the drawing view.

Specified by:

mouseDown in interface Tool

mouseDrag

public void mouseDrag(java.awt.event.MouseEvent e,
                      int x,
                      int y)

Handles mouse drag events in the drawing view.

Specified by:

mouseDrag in interface Tool

mouseUp

public void mouseUp(java.awt.event.MouseEvent e,
                    int x,
                    int y)

Handles mouse up in the drawing view.

Specified by:

mouseUp in interface Tool

mouseMove

public void mouseMove(java.awt.event.MouseEvent evt,
                      int x,
                      int y)

Handles mouse moves (if the mouse button is up).

Specified by:

mouseMove in interface Tool

keyDown

public void keyDown(java.awt.event.KeyEvent evt,
                    int key)

Handles key down events in the drawing view.

Specified by:

keyDown in interface Tool

drawing

public Drawing drawing()

Gets the tool's drawing.

editor

public DrawingEditor editor()

Gets the tool's editor.

view

public DrawingView view()

Gets the tool's view.