org.openjump.core.ui.plugin.view
Class SuperZoomPanTool

java.lang.Object
  com.vividsolutions.jump.workbench.ui.cursortool.AbstractCursorTool
      com.vividsolutions.jump.workbench.ui.cursortool.DragTool
          org.openjump.core.ui.plugin.view.SuperZoomPanTool

All Implemented Interfaces:

CursorTool, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.MouseWheelListener, java.util.EventListener

public class SuperZoomPanTool
extends DragTool
implements java.awt.event.MouseWheelListener

This tool have the following functions: - zoom in/out with left/right mouse click - pan with mouse drag - zoom in/out with mousewheel and then left click for zoom or right click for cancel In wheelMode you can see the new area after zooming. Also known as "Area of interest".

Author:

Matthias Scholz

Nested Class Summary

Nested classes/interfaces inherited from class com.vividsolutions.jump.workbench.ui.cursortool.AbstractCursorTool

AbstractCursorTool.Listener

Field Summary

static java.awt.Cursor	CURSOR_PAN
static java.awt.Cursor	CURSOR_WHEEL
static java.awt.Cursor	CURSOR_ZOOM
static double	WHEEL_ZOOM_FACTOR
static double	ZOOM_IN_FACTOR

Fields inherited from class com.vividsolutions.jump.workbench.ui.cursortool.DragTool

DEFAULT_VIEW_CLICK_BUFFER, modelDestination, modelSource

Fields inherited from class com.vividsolutions.jump.workbench.ui.cursortool.AbstractCursorTool

isLinuxOS, panel

Constructor Summary

SuperZoomPanTool()

Method Summary

void	activate(LayerViewPanel layerViewPanel)
void	cacheImage()
java.awt.Image	createImageIfNeeded(java.awt.Image currImage) Creates a new Image if currImage doesn't exist or is the wrong size for the panel.
void	deactivate()
protected void	gestureFinished()
boolean	getAnimatingZoom()
java.awt.Cursor	getCursor()
javax.swing.Icon	getIcon()
java.lang.String	getName() Returns a very brief description of this CursorTool.
protected java.awt.Shape	getShape()
protected java.awt.Shape	getShape(java.awt.geom.Point2D source, java.awt.geom.Point2D destination)
boolean	isRightMouseButtonUsed()
void	mouseClicked(java.awt.event.MouseEvent e)
void	mouseDragged(java.awt.event.MouseEvent e)
void	mouseMoved(java.awt.event.MouseEvent e)
void	mousePressed(java.awt.event.MouseEvent e) Begins handling of the drag.
void	mouseReleased(java.awt.event.MouseEvent e)
void	mouseWheelMoved(java.awt.event.MouseWheelEvent e)
boolean	setAnimatingZoom(boolean animating)
protected void	zoomAt(java.awt.geom.Point2D p, double zoomFactor, boolean animatingZoom)

Methods inherited from class com.vividsolutions.jump.workbench.ui.cursortool.DragTool

getBoxInModelCoordinates, getModelDestination, getModelSource, getViewDestination, getViewSource, modelClickBuffer, setModelDestination, setModelSource, setViewClickBuffer, setViewDestination, setViewSource, wasClick

Methods inherited from class com.vividsolutions.jump.workbench.ui.cursortool.AbstractCursorTool

add, allowSnapping, cancelGesture, check, cleanup, clearShape, createCursor, createCursor, createStandardSnappingPolicies, drawShapeXOR, drawShapeXOR, execute, fireGestureFinished, getColor, getPanel, getSnapManager, getTaskFrame, getWorkbench, isGestureInProgress, isRollingBackInvalidEdits, isShapeOnScreen, mouseEntered, mouseExited, name, redrawShape, reportNothingToUndoYet, setColor, setFilling, setStroke, setStrokeWidth, setup, snap, snap, toString, wasControlPressed, wasShiftPressed, workbench, workbenchFrame

Methods inherited from class java.lang.Object

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

Field Detail

WHEEL_ZOOM_FACTOR

public static final double WHEEL_ZOOM_FACTOR

See Also:

Constant Field Values

ZOOM_IN_FACTOR

public static final double ZOOM_IN_FACTOR

See Also:

Constant Field Values

CURSOR_ZOOM

public static java.awt.Cursor CURSOR_ZOOM

CURSOR_PAN

public static java.awt.Cursor CURSOR_PAN

CURSOR_WHEEL

public static java.awt.Cursor CURSOR_WHEEL

Constructor Detail

SuperZoomPanTool

public SuperZoomPanTool()

Method Detail

activate

public void activate(LayerViewPanel layerViewPanel)

Specified by:

activate in interface CursorTool

Overrides:

activate in class AbstractCursorTool

deactivate

public void deactivate()

Specified by:

deactivate in interface CursorTool

Overrides:

deactivate in class AbstractCursorTool

mouseWheelMoved

public void mouseWheelMoved(java.awt.event.MouseWheelEvent e)

Specified by:

mouseWheelMoved in interface java.awt.event.MouseWheelListener

getShape

protected java.awt.Shape getShape()
                           throws java.lang.Exception

Overrides:

getShape in class DragTool

Returns:

null if nothing should be drawn

Throws:

java.lang.Exception

mouseMoved

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

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Overrides:

mouseMoved in class AbstractCursorTool

mouseClicked

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

Specified by:

mouseClicked in interface java.awt.event.MouseListener

Overrides:

mouseClicked in class AbstractCursorTool

mousePressed

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

Description copied from class: DragTool

Begins handling of the drag. Subclasses can prevent handling of the drag by overriding this method and not calling it.

Specified by:

mousePressed in interface java.awt.event.MouseListener

Overrides:

mousePressed in class DragTool

isRightMouseButtonUsed

public boolean isRightMouseButtonUsed()

Specified by:

isRightMouseButtonUsed in interface CursorTool

Overrides:

isRightMouseButtonUsed in class AbstractCursorTool

Returns:

true if this CursorTool uses the right mouse button; false to allow the panel to show a popup-menu on right-clicks

getCursor

public java.awt.Cursor getCursor()

Specified by:

getCursor in interface CursorTool

Overrides:

getCursor in class AbstractCursorTool

getIcon

public javax.swing.Icon getIcon()

Specified by:

getIcon in interface CursorTool

Returns:

null to use a default icon

getName

public java.lang.String getName()

Description copied from interface: CursorTool

Returns a very brief description of this CursorTool.

Specified by:

getName in interface CursorTool

Overrides:

getName in class AbstractCursorTool

Returns:

the name of this CursorTool

mouseDragged

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

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Overrides:

mouseDragged in class DragTool

mouseReleased

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

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Overrides:

mouseReleased in class DragTool

getShape

protected java.awt.Shape getShape(java.awt.geom.Point2D source,
                                  java.awt.geom.Point2D destination)

Overrides:

getShape in class DragTool

Returns:

null if nothing should be drawn

gestureFinished

protected void gestureFinished()
                        throws java.awt.geom.NoninvertibleTransformException

Specified by:

gestureFinished in class AbstractCursorTool

Throws:

java.awt.geom.NoninvertibleTransformException

createImageIfNeeded

public java.awt.Image createImageIfNeeded(java.awt.Image currImage)

Creates a new Image if currImage doesn't exist or is the wrong size for the panel.

Parameters:

currImage - an image buffer

Returns:

a new image, or the existing one if it's compatible

cacheImage

public void cacheImage()

setAnimatingZoom

public boolean setAnimatingZoom(boolean animating)

getAnimatingZoom

public boolean getAnimatingZoom()

zoomAt

protected void zoomAt(java.awt.geom.Point2D p,
                      double zoomFactor,
                      boolean animatingZoom)
               throws java.awt.geom.NoninvertibleTransformException

Throws:

java.awt.geom.NoninvertibleTransformException