ShowGridAction (JOSM)

java.lang.Object
- javax.swing.AbstractAction
- - org.openstreetmap.josm.actions.JosmAction
  - - org.openstreetmap.josm.actions.ToggleAction
    - - org.openstreetmap.josm.actions.PreferenceToggleAction
      - org.openstreetmap.josm.actions.ShowGridAction

All Implemented Interfaces:

java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action, PreferenceChangedListener, Destroyable
```
public class ShowGridAction
extends PreferenceToggleAction
```
This action toggles the display of the grid over the map view.

Since:

19640

See Also:

MapGridPaintable, Serialized Form

Nested Class Summary
- Nested classes/interfaces inherited from class org.openstreetmap.josm.actions.JosmAction
  JosmAction.ActiveLayerChangeAdapter, JosmAction.LayerChangeAdapter, JosmAction.SelectionChangeAdapter

Field Summary
- Fields inherited from class org.openstreetmap.josm.actions.JosmAction
  sc
- Fields inherited from class javax.swing.AbstractAction
  changeSupport, enabled
- Fields inherited from interface javax.swing.Action
  ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON

Constructor Summary

Constructors
Constructor Description

ShowGridAction()
Constructs a new ShowGridAction.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`actionPerformed(java.awt.event.ActionEvent e)`
`protected boolean`	`listenToSelectionChange()`	Overwrite this if `JosmAction.updateEnabledState()` should be called when the selection changed.
`protected void`	`updateEnabledState()`	Override in subclasses to update the enabled state of the action when something in the JOSM state changes, i.e.

Methods inherited from class org.openstreetmap.josm.actions.PreferenceToggleAction
getCheckbox, preferenceChanged

Methods inherited from class org.openstreetmap.josm.actions.ToggleAction
addButtonModel, isSelected, notifySelectedState, removeButtonModel, setSelected, toggleSelectedState

Methods inherited from class org.openstreetmap.josm.actions.JosmAction
buildActiveLayerChangeAdapter, buildLayerChangeAdapter, checkAndConfirmOutlyingOperation, destroy, getLayerManager, getShortcut, initEnabledState, installAdapters, listenToLayerChange, setHelpId, setToolbarId, setTooltip, updateEnabledState, updateEnabledStateOnCurrentSelection, updateEnabledStateOnCurrentSelection, updateEnabledStateOnModifiableSelection, waitFuture

Methods inherited from class javax.swing.AbstractAction
addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface javax.swing.Action
accept

- Constructor Detail
  - ShowGridAction
```
public ShowGridAction()
```
    Constructs a new ShowGridAction.
- Method Detail
  - listenToSelectionChange
```
protected boolean listenToSelectionChange()
```
    Description copied from class: JosmAction
    
    Overwrite this if JosmAction.updateEnabledState() should be called when the selection changed. Default is true.
    
    Overrides:
    
    listenToSelectionChange in class JosmAction
    
    Returns:
    
    true if a DataSelectionListener should be registered.
  - updateEnabledState
```
protected void updateEnabledState()
```
    Description copied from class: JosmAction
    
    Override in subclasses to update the enabled state of the action when something in the JOSM state changes, i.e. when a layer is removed or added. See JosmAction.updateEnabledState(Collection) to respond to changes in the collection of selected primitives. Default behavior is empty.
    
    Overrides:
    
    updateEnabledState in class JosmAction
    
    See Also:
    
    JosmAction.updateEnabledState(Collection), JosmAction.initEnabledState(), JosmAction.listenToLayerChange()
  - actionPerformed
```
public void actionPerformed(java.awt.event.ActionEvent e)
```
    Specified by:
    
    actionPerformed in interface java.awt.event.ActionListener
    
    Overrides:
    
    actionPerformed in class PreferenceToggleAction