PickListener Class Reference

Class is used to handle for picking objects on the location view. More...

Public Member Functions
void	onMapObjectPickComplete (MapObjectPickResult mapObjectPickResult, math.Point< double > screenPosition)
	Receive the result from LocationWindow pickMapObjectAt method.
void	onMapFeaturePickComplete (Map< String, String > mapFeaturePickResult, math.Point< double > screenPosition)
	Receive the result from LocationWindow pickMapFeatureAt

Detailed Description

Class is used to handle for picking objects on the location view.

Referenced from LocationWindow.

Definition at line 25 of file pick_listener.dart.

Member Function Documentation

onMapFeaturePickComplete()

void PickListener.onMapFeaturePickComplete	(	Map< String, String >	mapFeaturePickResult,
		math.Point< double >	screenPosition )

Receive the result from LocationWindow pickMapFeatureAt

Parameters

mapFeaturePickResult	dictionary of properties of the picked feature or nil if no objects was found.
screenPosition	position where the object was picked in pixels.

Dart code snippet:

  @override
  void onMapFeaturePickComplete(Map<String, String>? mapFeaturePickResult, math.Point<double> screenPosition) {
    if (mapFeaturePickResult != null) {
      print("Map feature picked at screen position (${screenPosition.x}, ${screenPosition.y})");
      print("  Feature properties: $mapFeaturePickResult");
    } else {
      print("No map feature found at screen position (${screenPosition.x}, ${screenPosition.y})");
    }
  }

onMapObjectPickComplete()

void PickListener.onMapObjectPickComplete	(	MapObjectPickResult	mapObjectPickResult,
		math.Point< double >	screenPosition )

Receive the result from LocationWindow pickMapObjectAt method.

Parameters

mapObjectPickResult	MapObjectPickResult instance or nil if no objects was found.
screenPosition	position where the object was picked in pixels.

Dart code snippet:

  @override
  void onMapObjectPickComplete(MapObjectPickResult? mapObjectPickResult, math.Point<double> screenPosition) {
    if (mapObjectPickResult != null) {
      // [dart_MapObjectPickResult_getPoint]
      LocationPoint point = mapObjectPickResult.point;
      print("Map object picked at screen position (${screenPosition.x}, ${screenPosition.y})");
      print("  Object location: (${point.x}, ${point.y})");
      // [dart_MapObjectPickResult_getPoint]
 
      // [dart_MapObjectPickResult_getMapObject]
      MapObject mapObject = mapObjectPickResult.mapObject;
      print("  Object type: ${mapObject.runtimeType}");
      // [dart_MapObjectPickResult_getMapObject]
    } else {
      print("No map object found at screen position (${screenPosition.x}, ${screenPosition.y})");
    }
  }

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The documentation for this class was generated from the following file:

• pick_listener.dart