net.refractions.udig.tools.edit.activator
Class GridActivator

java.lang.Object
  extended by net.refractions.udig.tools.edit.activator.GridActivator
All Implemented Interfaces:
Activator

public class GridActivator
extends java.lang.Object
implements Activator

If the snap behaviour is GRID then enables the grid map graphic on activation and disables the layer if this activator originally added the layer (or sets it to visible).

Since:
1.1.0
Author:
Jesse

Constructor Summary
GridActivator()
           
 
Method Summary
 void activate(EditToolHandler handler)
          The action to be performed by this activator when activating.
 void deactivate(EditToolHandler handler)
          The action to be performed by this activator when deactivating.
 void handleActivateError(EditToolHandler handler, java.lang.Throwable error)
          This method is called if an exception occurs during the execution of the activate method.
 void handleDeactivateError(EditToolHandler handler, java.lang.Throwable error)
          This method is called if an exception occurs during the execution of the deactivate method.
 void hideGrid(IMap map)
          Hides the grid layer (visibility=false) if the layer was added or set visible by this class.
 void showGrid(IMap map)
          Shows the grid.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

GridActivator

public GridActivator()
Method Detail

hideGrid

public void hideGrid(IMap map)
Hides the grid layer (visibility=false) if the layer was added or set visible by this class.


showGrid

public void showGrid(IMap map)
Shows the grid.

Parameters:
map - map to add the grid to.

activate

public void activate(EditToolHandler handler)
Description copied from interface: Activator
The action to be performed by this activator when activating.

Specified by:
activate in interface Activator

handleDeactivateError

public void handleDeactivateError(EditToolHandler handler,
                                  java.lang.Throwable error)
Description copied from interface: Activator
This method is called if an exception occurs during the execution of the deactivate method.

This method should

  1. Rollback the changes made during the run method
  2. Log the error in the plugin's log

Specified by:
handleDeactivateError in interface Activator
error - Error that occurred

handleActivateError

public void handleActivateError(EditToolHandler handler,
                                java.lang.Throwable error)
Description copied from interface: Activator
This method is called if an exception occurs during the execution of the activate method.

This method should

  1. Rollback the changes made during the run method
  2. Log the error in the plugin's log

Specified by:
handleActivateError in interface Activator
error - Error that occurred

deactivate

public void deactivate(EditToolHandler handler)
Description copied from interface: Activator
The action to be performed by this activator when deactivating.

Specified by:
deactivate in interface Activator