org.openstreetmap.josm.actions.mapmode

Class ZoomAction

java.lang.Object

javax.swing.AbstractAction

org.openstreetmap.josm.actions.JosmAction

org.openstreetmap.josm.actions.mapmode.MapMode

org.openstreetmap.josm.actions.mapmode.ZoomAction

All Implemented Interfaces:

java.awt.event.ActionListener, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action, SelectionManager.SelectionEnded, PreferenceChangedListener, Destroyable

public class ZoomAction
extends MapMode
implements SelectionManager.SelectionEnded

Enable the zoom mode within the MapFrame. Holding down the left mouse button select a rectangle with the same aspect ratio than the current map view. Holding down left and right let the user move the former selected rectangle. Releasing the left button zoom to the selection. Rectangle selections with either height or width smaller than 3 pixels are ignored.

Since:

1

See Also:

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

Modifier and Type	Field and Description
private SelectionManager	selectionManager Manager that manages the selection rectangle with the aspect ratio of the MapView.

Fields inherited from class org.openstreetmap.josm.actions.mapmode.MapMode

alt, ctrl, cursor, shift

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 and Description
ZoomAction(MapFrame mapFrame) Construct a ZoomAction without a label.

Method Summary

Modifier and Type	Method and Description
void	enterMode() Makes this map mode active.
void	exitMode() Makes this map mode inactive.
java.lang.String	getModeHelpText() Returns a short translated help message describing how this map mode can be used, to be displayed in status line.
void	selectionEnded(java.awt.Rectangle r, java.awt.event.MouseEvent e) Zoom to the rectangle on the map.

Methods inherited from class org.openstreetmap.josm.actions.mapmode.MapMode

actionPerformed, isEditableDataLayer, layerIsSupported, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mousePressed, mouseReleased, preferenceChanged, readPreferences, requestFocusInMapView, updateKeyModifiers, updateKeyModifiers, updateKeyModifiers, updateKeyModifiersEx, updateStatusLine

Methods inherited from class org.openstreetmap.josm.actions.JosmAction

checkAndConfirmOutlyingOperation, destroy, getLayerManager, getShortcut, initEnabledState, installAdapters, listenToLayerChange, listenToSelectionChange, setHelpId, setTooltip, updateEnabledState, 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

addPropertyChangeListener, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods inherited from interface java.awt.event.ActionListener

actionPerformed

Field Detail

selectionManager

private final transient SelectionManager selectionManager

Manager that manages the selection rectangle with the aspect ratio of the MapView.

Constructor Detail

ZoomAction

public ZoomAction(MapFrame mapFrame)

Construct a ZoomAction without a label.

Parameters:

mapFrame - The MapFrame, whose zoom mode should be enabled.

Method Detail

selectionEnded

public void selectionEnded(java.awt.Rectangle r,
                           java.awt.event.MouseEvent e)

Zoom to the rectangle on the map.

Specified by:

selectionEnded in interface SelectionManager.SelectionEnded

Parameters:

r - The rectangle that encloses the current selection.

e - The mouse event.

See Also:

InputEvent.getModifiersEx(), SelectionManager.getSelectedObjects(boolean)

enterMode

public void enterMode()

Description copied from class: MapMode

Makes this map mode active.

Overrides:

enterMode in class MapMode

exitMode

public void exitMode()

Description copied from class: MapMode

Makes this map mode inactive.

Overrides:

exitMode in class MapMode

getModeHelpText

public java.lang.String getModeHelpText()

Description copied from class: MapMode

Returns a short translated help message describing how this map mode can be used, to be displayed in status line.

Overrides:

getModeHelpText in class MapMode

Returns:

a short translated help message describing how this map mode can be used