| examples.cityguide.MapCanvas
| MapCanvas | | public class MapCanvas extends Canvas implements MapListener(Code) | | This class represents a "view" of a city map. It shows a visitor and
landmarks.
version:
1.3 |
| Constructor Summary | |
| public | MapCanvas(CityMap cityMap)
Creates a new instance of MapCanvas. |
| Method Summary | |
| public void | cleanup()
The final unregistration. | | protected void | hideNotify()
Stops the animation timer when the canvas gets invisible and unregisters
itself from receiving the notifications from the CityMap instance. | | public synchronized void | landmarkStateChanged(CityMap sender, MapLandmark mapLandmark)
A method which is called by the city map, when a landmark gets activated
or deactivated. | | public synchronized void | landmarksChanged(CityMap sender)
A method which is called by the city map, when the whole set of landmarks
changes. | | public void | paint(Graphics g)
| | protected void | showNotify()
Starts an animation timer when the canvas gets visible and registers the
canvas instance to get the notifications from the CityMap instance. | | synchronized void | updateActivatedLandmarks()
Updates the animation of active landmarks. | | public synchronized void | visitorPositionChanged(CityMap sender)
A method which is called by the city map, when the visitor changes his
position. | | public void | visitorStateChanged(CityMap sender)
A method which is called by the city map, when the visitor changes his
state. |
| MapCanvas | | public MapCanvas(CityMap cityMap)(Code) | | Creates a new instance of MapCanvas. Register itself as a map listener
to the given instance of the CityMap class.
|
| cleanup | | public void cleanup()(Code) | | The final unregistration.
|
| hideNotify | | protected void hideNotify()(Code) | | Stops the animation timer when the canvas gets invisible and unregisters
itself from receiving the notifications from the CityMap instance.
|
| landmarkStateChanged | | public synchronized void landmarkStateChanged(CityMap sender, MapLandmark mapLandmark)(Code) | | A method which is called by the city map, when a landmark gets activated
or deactivated.
|
| landmarksChanged | | public synchronized void landmarksChanged(CityMap sender)(Code) | | A method which is called by the city map, when the whole set of landmarks
changes.
|
| paint | | public void paint(Graphics g)(Code) | | |
| showNotify | | protected void showNotify()(Code) | | Starts an animation timer when the canvas gets visible and registers the
canvas instance to get the notifications from the CityMap instance.
|
| updateActivatedLandmarks | | synchronized void updateActivatedLandmarks()(Code) | | Updates the animation of active landmarks.
|
| visitorPositionChanged | | public synchronized void visitorPositionChanged(CityMap sender)(Code) | | A method which is called by the city map, when the visitor changes his
position.
|
| visitorStateChanged | | public void visitorStateChanged(CityMap sender)(Code) | | A method which is called by the city map, when the visitor changes his
state.
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