net.refractions.udig.tool.info
Class InfoTool

java.lang.Object
  AbstractModalTool
      net.refractions.udig.tool.info.InfoTool

public class InfoTool
extends AbstractModalTool

InfoTool is Map Tool used to grab identity information about what is on the screen.

InfoTool makes use its ModalTool superclass to access RenderManager; getInfo is a first class request supported by the API. You can however trace through this code as an example for creating your own tools.

Workflow:

• RenderManger.getInfo( Point ) for each renderer asks ...
• Renderer.getInfo( Point ) which ...
• back projects Point to a Extent used with
• Resource (ie FeatureSource.getFeatures( filter ) to arrive at
• Information (ie a FeatureCollection) wrapped in an LayerPointInfo providing
• LayerPointInfo.getObject() & LayerPointInfo.getMimeType()

Version:

$Revision: 1.9 $

Author:

Jody Garnett

Field Summary

static java.lang.String	CATEGORY_ID
static java.lang.String	ID ID of the current tool.

Constructor Summary

InfoTool()
Creates an LayerPointInfo Tool.

Method Summary

void	dispose()
void	feedback(MapMouseEvent e) Provides user feedback
void	mouseDragged(MapMouseEvent e)
void	mousePressed(MapMouseEvent e)
void	mouseReleased(MapMouseEvent e) What's this then?

Methods inherited from class java.lang.Object

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

Field Detail

ID

public static final java.lang.String ID

ID of the current tool.

See Also:

Constant Field Values

CATEGORY_ID

public static final java.lang.String CATEGORY_ID

See Also:

Constant Field Values

Constructor Detail

InfoTool

public InfoTool()

Creates an LayerPointInfo Tool.

Method Detail

mousePressed

public void mousePressed(MapMouseEvent e)

mouseDragged

public void mouseDragged(MapMouseEvent e)

feedback

public void feedback(MapMouseEvent e)

Provides user feedback

Parameters:

e -

mouseReleased

public void mouseReleased(MapMouseEvent e)

What's this then?

See class description for intended workflow.

See Also:

net.refractions.udig.project.ui.tool.AbstractTool#mouseReleased(MapMouseEvent)

dispose

public void dispose()

See Also:

net.refractions.udig.project.ui.tool.Tool#dispose()