org.openstreetmap.josm.gui.dialogs.relation
Class RelationDialogManager

java.lang.Object
  java.awt.event.WindowAdapter
      org.openstreetmap.josm.gui.dialogs.relation.RelationDialogManager

All Implemented Interfaces:

java.awt.event.WindowFocusListener, java.awt.event.WindowListener, java.awt.event.WindowStateListener, java.util.EventListener, MapView.LayerChangeListener

public class RelationDialogManager
extends java.awt.event.WindowAdapter
implements MapView.LayerChangeListener

RelationDialogManager keeps track of the open relation editors.

Nested Class Summary

private static class

RelationDialogManager.DialogContext Helper class for keeping the context of a relation editor.

Field Summary

private java.util.HashMap<RelationDialogManager.DialogContext,RelationEditor>	openDialogs the map of open dialogs
(package private) static RelationDialogManager	relationDialogManager keeps track of open relation editors

Constructor Summary

RelationDialogManager()
constructor

Method Summary

void	activeLayerChange(Layer oldLayer, Layer newLayer) Notifies this listener that the active layer has changed.
void	close(OsmDataLayer layer, Relation relation) Closes the editor open for a specific layer and a specific relation.
RelationEditor	getEditorForRelation(OsmDataLayer layer, Relation relation) Replies the editor for the relation managed by layer.
static RelationDialogManager	getRelationDialogManager() Replies the singleton RelationDialogManager
protected boolean	hasEditorWithCloseUpperLeftCorner(java.awt.Point p, RelationEditor thisEditor) Replies true, if there is another open RelationEditor whose upper left corner is close to p.
boolean	isOpenInEditor(OsmDataLayer layer, Relation relation) Replies true if there is an open relation editor for the relation managed by the given layer.
void	layerAdded(Layer newLayer) Notifies this listener that a layer has been added.
void	layerRemoved(Layer oldLayer) called when a layer is removed
void	positionOnScreen(RelationEditor editor) Positions a RelationEditor on the screen.
void	register(OsmDataLayer layer, Relation relation, RelationEditor editor) Register the relation editor for a relation managed by a OsmDataLayer.
void	updateContext(OsmDataLayer layer, Relation relation, RelationEditor editor)
void	windowClosed(java.awt.event.WindowEvent e)

Methods inherited from class java.awt.event.WindowAdapter

windowActivated, windowClosing, windowDeactivated, windowDeiconified, windowGainedFocus, windowIconified, windowLostFocus, windowOpened, windowStateChanged

Methods inherited from class java.lang.Object

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

Field Detail

relationDialogManager

static RelationDialogManager relationDialogManager

keeps track of open relation editors

openDialogs

private final java.util.HashMap<RelationDialogManager.DialogContext,RelationEditor> openDialogs

the map of open dialogs

Constructor Detail

RelationDialogManager

public RelationDialogManager()

constructor

Method Detail

getRelationDialogManager

public static RelationDialogManager getRelationDialogManager()

Replies the singleton RelationDialogManager

Returns:

the singleton RelationDialogManager

register

public void register(OsmDataLayer layer,
                     Relation relation,
                     RelationEditor editor)

Register the relation editor for a relation managed by a OsmDataLayer.

Parameters:

layer - the layer

relation - the relation

editor - the editor

updateContext

public void updateContext(OsmDataLayer layer,
                          Relation relation,
                          RelationEditor editor)

close

public void close(OsmDataLayer layer,
                  Relation relation)

Closes the editor open for a specific layer and a specific relation.

Parameters:

layer - the layer

relation - the relation

isOpenInEditor

public boolean isOpenInEditor(OsmDataLayer layer,
                              Relation relation)

Replies true if there is an open relation editor for the relation managed by the given layer. Replies false if relation is null.

Parameters:

layer - the layer

relation - the relation. May be null.

Returns:

true if there is an open relation editor for the relation managed by the given layer; false otherwise

getEditorForRelation

public RelationEditor getEditorForRelation(OsmDataLayer layer,
                                           Relation relation)

Replies the editor for the relation managed by layer. Null, if no such editor is currently open. Returns null, if relation is null.

Parameters:

layer - the layer

relation - the relation

Returns:

the editor for the relation managed by layer. Null, if no such editor is currently open.

See Also:

isOpenInEditor(OsmDataLayer, Relation)

layerRemoved

public void layerRemoved(Layer oldLayer)

called when a layer is removed

Specified by:

layerRemoved in interface MapView.LayerChangeListener

Parameters:

oldLayer - The old removed layer

activeLayerChange

public void activeLayerChange(Layer oldLayer,
                              Layer newLayer)

Description copied from interface: MapView.LayerChangeListener

Notifies this listener that the active layer has changed.

Specified by:

activeLayerChange in interface MapView.LayerChangeListener

Parameters:

oldLayer - The previous active layer

newLayer - The new activer layer

layerAdded

public void layerAdded(Layer newLayer)

Description copied from interface: MapView.LayerChangeListener

Notifies this listener that a layer has been added.

Specified by:

layerAdded in interface MapView.LayerChangeListener

Parameters:

newLayer - The new added layer

windowClosed

public void windowClosed(java.awt.event.WindowEvent e)

Specified by:

windowClosed in interface java.awt.event.WindowListener

Overrides:

windowClosed in class java.awt.event.WindowAdapter

hasEditorWithCloseUpperLeftCorner

protected boolean hasEditorWithCloseUpperLeftCorner(java.awt.Point p,
                                                    RelationEditor thisEditor)

Replies true, if there is another open RelationEditor whose upper left corner is close to p.

Parameters:

p - the reference point to check

Returns:

true, if there is another open RelationEditor whose upper left corner is close to p.

positionOnScreen

public void positionOnScreen(RelationEditor editor)

Positions a RelationEditor on the screen. Tries to center it on the screen. If it hide another instance of an editor at the same position this method tries to reposition editor by moving it slightly down and slightly to the right.

Parameters:

editor - the editor