Example usage for com.google.gwt.maps.client.event MapInfoWindowBeforeCloseHandler MapInfoWindowBeforeCloseHandler

Introduction

In this page you can find the example usage for com.google.gwt.maps.client.event MapInfoWindowBeforeCloseHandler MapInfoWindowBeforeCloseHandler.

Prototype

MapInfoWindowBeforeCloseHandler

Source Link

Usage

From source file:com.google.gwt.maps.sample.hellomaps.client.MapEventDemo.java

License:Apache License

private void addListenerToMarker(HandlerActions a) {
    // Create a unique ID for this new listener.
    final int nextListenerId = ++listenerId;

    // Create a new row to add to the UI.
    final int rowNumber = handlerTable.getRowCount();
    handlerTable.setWidget(rowNumber, 0, new Label("" + nextListenerId));
    handlerTable.setWidget(rowNumber, 1, new Label(a.valueOf()));

    final TextBox textBox = new TextBox();
    textBox.setReadOnly(true);/*from   ww  w  .  j av  a  2  s.  c o  m*/
    textBox.setSize("30em", "1em");
    handlerTable.setWidget(rowNumber, 2, textBox);

    Button clearButton = new Button("Clear Text");
    clearButton.addClickListener(new ClickListener() {

        public void onClick(Widget sender) {
            textBox.setText("");
        }

    });
    handlerTable.setWidget(rowNumber, 3, clearButton);

    Button removeHandlerButton = new Button("Remove Handler");
    handlerTable.setWidget(rowNumber, 4, removeHandlerButton);

    // Add event specific handlers
    switch (a) {
    case INFO_WINDOW_CLOSE_CLICK_HANDLER: {
        final InfoWindowCloseClickHandler h = new InfoWindowCloseClickHandler() {

            public void onCloseClick(InfoWindowCloseClickEvent event) {
                textBox.setText(textBox.getText() + "onCloseClick()");
            }

        };
        map.getInfoWindow().addInfoWindowCloseClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.getInfoWindow().removeInfoWindowCloseClickHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case INFO_WINDOW_MAXIMIZE_CLICK_HANDLER: {
        final InfoWindowMaximizeClickHandler h = new InfoWindowMaximizeClickHandler() {

            public void onMaximizeClick(InfoWindowMaximizeClickEvent event) {
                textBox.setText(textBox.getText() + "onMaximizeClick()");
            }

        };
        map.getInfoWindow().addInfoWindowMaximizeClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.getInfoWindow().removeInfoWindowMaximizeClickHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case INFO_WINDOW_MAXIMIZE_END_HANDLER: {
        final InfoWindowMaximizeEndHandler h = new InfoWindowMaximizeEndHandler() {

            public void onMaximizeEnd(InfoWindowMaximizeEndEvent event) {
                textBox.setText(textBox.getText() + "onMaximizeEnd()");
            }

        };
        map.getInfoWindow().addInfoWindowMaximizeEndHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.getInfoWindow().removeInfoWindowMaximizeEndHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case INFO_WINDOW_RESTORE_CLICK_HANDLER: {
        final InfoWindowRestoreClickHandler h = new InfoWindowRestoreClickHandler() {

            public void onRestoreClick(InfoWindowRestoreClickEvent event) {
                textBox.setText(textBox.getText() + "onRestoreClick()");
            }

        };
        map.getInfoWindow().addInfoWindowRestoreClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.getInfoWindow().removeInfoWindowRestoreClickHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case INFO_WINDOW_RESTORE_END_HANDLER: {
        final InfoWindowRestoreEndHandler h = new InfoWindowRestoreEndHandler() {

            public void onRestoreEnd(InfoWindowRestoreEndEvent event) {
                textBox.setText(textBox.getText() + "onRestoreEnd()");
            }

        };
        map.getInfoWindow().addInfoWindowRestoreEndHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.getInfoWindow().removeInfoWindowRestoreEndHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_INFO_WINDOW_BEFORE_CLOSE_HANDLER: {
        final MapInfoWindowBeforeCloseHandler h = new MapInfoWindowBeforeCloseHandler() {

            public void onInfoWindowBeforeClose(MapInfoWindowBeforeCloseEvent event) {
                textBox.setText(textBox.getText() + "onInfoWindowBeforeClose()");
            }

        };

        map.addInfoWindowBeforeCloseHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeInfoWindowBeforeCloseHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_INFO_WINDOW_CLOSE_HANDLER: {
        final MapInfoWindowCloseHandler h = new MapInfoWindowCloseHandler() {

            public void onInfoWindowClose(MapInfoWindowCloseEvent event) {
                textBox.setText(textBox.getText() + "onInfoWindowClose()");
            }

        };

        map.addInfoWindowCloseHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeInfoWindowCloseHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_INFO_WINDOW_OPEN_HANDLER: {
        final MapInfoWindowOpenHandler h = new MapInfoWindowOpenHandler() {

            public void onInfoWindowOpen(MapInfoWindowOpenEvent event) {
                textBox.setText(textBox.getText() + "onInfoWindowOpen()");
            }

        };

        map.addInfoWindowOpenHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeInfoWindowOpenHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_CLEAR_OVERLAYS_HANDLER: {
        final MapClearOverlaysHandler h = new MapClearOverlaysHandler() {

            public void onClearOverlays(MapClearOverlaysEvent event) {
                textBox.setText(textBox.getText() + "onClearOverlays()");
            }

        };

        map.addMapClearOverlaysHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapClearOverlaysHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_ADD_MAP_TYPE_HANDLER: {
        final MapAddMapTypeHandler h = new MapAddMapTypeHandler() {

            public void onAddMapType(MapAddMapTypeEvent event) {
                textBox.setText(textBox.getText() + "onAddMapType(" + event.getType().getName(true) + ")");
            }

        };

        map.addMapAddMapTypeHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapAddMapTypeHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_ADD_OVERLAY_HANDLER: {
        final MapAddOverlayHandler h = new MapAddOverlayHandler() {

            public void onAddOverlay(MapAddOverlayEvent event) {
                textBox.setText(textBox.getText() + "onAddOverlay(" + event.getOverlay() + ")");
            }

        };

        map.addMapAddOverlayHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapAddOverlayHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_CLICK_HANDLER: {
        final MapClickHandler h = new MapClickHandler() {

            public void onClick(MapClickEvent e) {
                textBox.setText(textBox.getText() + "onClick(" + e.getLatLng() + ")");
            }

        };
        map.addMapClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapClickHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_DOUBLE_CLICK_HANDLER: {
        final MapDoubleClickHandler h = new MapDoubleClickHandler() {

            public void onDoubleClick(MapDoubleClickEvent e) {
                textBox.setText(textBox.getText() + "onDoubleClick(" + e.getLatLng() + ")");
            }
        };
        map.addMapDoubleClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapDoubleClickHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;

    case MAP_DRAG_END_HANDLER: {
        final MapDragEndHandler h = new MapDragEndHandler() {

            public void onDragEnd(MapDragEndEvent event) {
                textBox.setText(textBox.getText() + "onDragEnd()");
            }

        };

        map.addMapDragEndHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapDragEndHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;
    case MAP_DRAG_HANDLER: {
        final MapDragHandler h = new MapDragHandler() {

            public void onDrag(MapDragEvent event) {
                textBox.setText(textBox.getText() + "onDrag()");
            }

        };

        map.addMapDragHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapDragHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_DRAG_START_HANDLER: {
        final MapDragStartHandler h = new MapDragStartHandler() {

            public void onDragStart(MapDragStartEvent event) {
                textBox.setText(textBox.getText() + "onDragStart()");
            }

        };

        map.addMapDragStartHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapDragStartHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_MOUSE_OUT_HANDLER: {
        final MapMouseOutHandler h = new MapMouseOutHandler() {

            public void onMouseOut(MapMouseOutEvent event) {
                textBox.setText(textBox.getText() + "onMouseOut(" + event.getLatLng() + ")");
            }

        };

        map.addMapMouseOutHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapMouseOutHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_MOUSE_OVER_HANDLER: {
        final MapMouseOverHandler h = new MapMouseOverHandler() {

            public void onMouseOver(MapMouseOverEvent event) {
                textBox.setText(textBox.getText() + "onMouseOver(" + event.getLatLng() + ")");
            }

        };

        map.addMapMouseOverHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapMouseOverHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;

    case MAP_MOUSE_MOVE_HANDLER: {
        final MapMouseMoveHandler h = new MapMouseMoveHandler() {

            public void onMouseMove(MapMouseMoveEvent event) {
                textBox.setText(textBox.getText() + "onMouseMove(" + event.getLatLng() + ")");
            }
        };
        map.addMapMouseMoveHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapMouseMoveHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;

    case MAP_MOVE_END_HANDLER: {
        final MapMoveEndHandler h = new MapMoveEndHandler() {

            public void onMoveEnd(MapMoveEndEvent e) {
                textBox.setText(textBox.getText() + "onMoveEnd()");
            }
        };
        map.addMapMoveEndHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapMoveEndHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;

    case MAP_MOVE_HANDLER: {
        final MapMoveHandler h = new MapMoveHandler() {

            public void onMove(MapMoveEvent e) {
                textBox.setText(textBox.getText() + "onMove()");
            }
        };
        map.addMapMoveHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapMoveHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;

    case MAP_MOVE_START_HANDLER: {
        final MapMoveStartHandler h = new MapMoveStartHandler() {

            public void onMoveStart(MapMoveStartEvent e) {
                textBox.setText(textBox.getText() + "onMoveStart()");
            }
        };
        map.addMapMoveStartHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapMoveStartHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;

    case MAP_REMOVE_MAP_TYPE_HANDLER: {
        final MapRemoveMapTypeHandler h = new MapRemoveMapTypeHandler() {

            public void onRemoveMapType(MapRemoveMapTypeEvent event) {
                textBox.setText(textBox.getText() + "onRemoveMapType(" + event.getType().getName(true) + ")");
            }

        };

        map.addMapRemoveMapTypeHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapRemoveMapTypeHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;
    case MAP_REMOVE_OVERLAY_HANDLER: {
        final MapRemoveOverlayHandler h = new MapRemoveOverlayHandler() {

            public void onRemoveOverlay(MapRemoveOverlayEvent event) {
                textBox.setText(textBox.getText() + "onRemoveOverlay(" + event.getOverlay().toString() + ")");
            }

        };

        map.addMapRemoveOverlayHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                map.removeMapRemoveOverlayHandler(h);
                // removeRowFromTable(nextListenerId);
            }

        });
    }
        break;
    case MAP_RIGHT_CLICK_HANDLER: {
        final MapRightClickHandler h = new MapRightClickHandler() {

            public void onRightClick(MapRightClickEvent e) {
                textBox.setText(textBox.getText() + "onRightClick(" + e.getPoint() + ")");
            }
        };
        map.addMapRightClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapRightClickHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;

    case MAP_TYPE_CHANGED_HANDLER: {
        final MapTypeChangedHandler h = new MapTypeChangedHandler() {

            public void onTypeChanged(MapTypeChangedEvent e) {
                textBox.setText(textBox.getText() + "onTypeChanged()");
            }
        };
        map.addMapTypeChangedHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapTypeChangedHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;

    case MAP_ZOOM_END_HANDLER: {
        final MapZoomEndHandler h = new MapZoomEndHandler() {

            public void onZoomEnd(MapZoomEndEvent e) {
                textBox.setText(textBox.getText() + "onZoomEnd(" + e.getNewZoomLevel() + ","
                        + e.getOldZoomLevel() + ")");
            }
        };
        map.addMapZoomEndHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                map.removeMapZoomEndHandler(h);
                // removeRowFromTable(nextListenerId);
            }
        });
    }
        break;
    case MARKER_CLICK_HANDLER: {

        final MarkerClickHandler h = new MarkerClickHandler() {

            public void onClick(MarkerClickEvent e) {
                textBox.setText(textBox.getText() + "onClick()");
            }
        };
        marker.addMarkerClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerClickHandler(h);
            }
        });
    }
        break;
    case MARKER_DOUBLE_CLICK_HANDLER: {

        final MarkerDoubleClickHandler h = new MarkerDoubleClickHandler() {

            public void onDoubleClick(MarkerDoubleClickEvent e) {
                textBox.setText(textBox.getText() + "onDoubleClick()");
            }
        };
        marker.addMarkerDoubleClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerDoubleClickHandler(h);
            }
        });
    }
        break;
    case MARKER_MOUSE_DOWN_HANDLER: {

        final MarkerMouseDownHandler h = new MarkerMouseDownHandler() {

            public void onMouseDown(MarkerMouseDownEvent e) {
                textBox.setText(textBox.getText() + "onMouseDown()");
            }
        };
        marker.addMarkerMouseDownHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerMouseDownHandler(h);
            }
        });
    }
        break;
    case MARKER_MOUSE_UP_HANDLER: {

        final MarkerMouseUpHandler h = new MarkerMouseUpHandler() {

            public void onMouseUp(MarkerMouseUpEvent e) {
                textBox.setText(textBox.getText() + "onMouseUp()");
            }
        };
        marker.addMarkerMouseUpHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerMouseUpHandler(h);
            }
        });
    }
        break;
    case MARKER_MOUSE_OVER_HANDLER: {

        final MarkerMouseOverHandler h = new MarkerMouseOverHandler() {

            public void onMouseOver(MarkerMouseOverEvent e) {
                textBox.setText(textBox.getText() + "onMouseOver()");
            }
        };
        marker.addMarkerMouseOverHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerMouseOverHandler(h);
            }
        });
    }
        break;
    case MARKER_MOUSE_OUT_HANDLER: {

        final MarkerMouseOutHandler h = new MarkerMouseOutHandler() {

            public void onMouseOut(MarkerMouseOutEvent e) {
                textBox.setText(textBox.getText() + "onMouseOut()");
            }
        };
        marker.addMarkerMouseOutHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerMouseOutHandler(h);
            }
        });
    }
        break;
    case MARKER_INFO_WINDOW_OPEN_HANDLER: {

        final MarkerInfoWindowOpenHandler h = new MarkerInfoWindowOpenHandler() {

            public void onInfoWindowOpen(MarkerInfoWindowOpenEvent e) {
                textBox.setText(textBox.getText() + "onInfoWindowOpen()");
            }
        };
        marker.addMarkerInfoWindowOpenHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerInfoWindowOpenHandler(h);
            }
        });
    }
        break;
    case MARKER_INFO_WINDOW_BEFORECLOSE_HANDLER: {

        final MarkerInfoWindowBeforeCloseHandler h = new MarkerInfoWindowBeforeCloseHandler() {

            public void onInfoWindowBeforeClose(MarkerInfoWindowBeforeCloseEvent e) {
                textBox.setText(textBox.getText() + "onInfoWindowBeforeClose()");
            }
        };
        marker.addMarkerInfoWindowBeforeCloseHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerInfoWindowBeforeCloseHandler(h);
            }
        });
    }
        break;
    case MARKER_INFO_WINDOW_CLOSE_HANDLER: {

        final MarkerInfoWindowCloseHandler h = new MarkerInfoWindowCloseHandler() {

            public void onInfoWindowClose(MarkerInfoWindowCloseEvent e) {
                textBox.setText(textBox.getText() + "onInfoWindowClose()");
            }
        };
        marker.addMarkerInfoWindowCloseHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerInfoWindowCloseHandler(h);
            }
        });
    }
        break;
    case MARKER_REMOVE_HANDLER: {

        final MarkerRemoveHandler h = new MarkerRemoveHandler() {

            public void onRemove(MarkerRemoveEvent e) {
                textBox.setText(textBox.getText() + "onRemove()");
            }
        };
        marker.addMarkerRemoveHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerRemoveHandler(h);
            }
        });
    }
        break;
    case MARKER_DRAG_START_HANDLER: {

        final MarkerDragStartHandler h = new MarkerDragStartHandler() {

            public void onDragStart(MarkerDragStartEvent e) {
                textBox.setText(textBox.getText() + "onDragStart()");
            }
        };
        marker.addMarkerDragStartHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerDragStartHandler(h);
            }
        });
    }
        break;
    case MARKER_DRAG_HANDLER: {

        final MarkerDragHandler h = new MarkerDragHandler() {

            public void onDrag(MarkerDragEvent e) {
                textBox.setText(textBox.getText() + "onDrag()");
            }
        };
        marker.addMarkerDragHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerDragHandler(h);
            }
        });
    }
        break;
    case MARKER_DRAG_END_HANDLER: {

        final MarkerDragEndHandler h = new MarkerDragEndHandler() {

            public void onDragEnd(MarkerDragEndEvent e) {
                textBox.setText(textBox.getText() + "onDragEnd()");
            }
        };
        marker.addMarkerDragEndHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerDragEndHandler(h);
            }
        });
    }
        break;
    case MARKER_VISIBILITY_CHANGED_HANDLER: {

        final MarkerVisibilityChangedHandler h = new MarkerVisibilityChangedHandler() {

            public void onVisibilityChanged(MarkerVisibilityChangedEvent e) {
                textBox.setText(textBox.getText() + "onVisibilityChanged(" + e.isVisible() + ")");
            }
        };
        marker.addMarkerVisibilityChangedHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {
            public void onClick(Widget sender) {
                marker.removeMarkerVisibilityChangedHandler(h);
            }
        });
    }
        break;

    case POLYLINE_CLICK_HANDLER: {

        final PolylineClickHandler h = new PolylineClickHandler() {

            public void onClick(PolylineClickEvent e) {
                textBox.setText(textBox.getText() + "onClick(" + e.getLatLng() + ")");
            }

        };
        polyline.addPolylineClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polyline.removePolylineClickHandler(h);
            }

        });
    }
        break;

    case POLYLINE_REMOVE_HANDLER: {

        final PolylineRemoveHandler h = new PolylineRemoveHandler() {

            public void onRemove(PolylineRemoveEvent e) {
                textBox.setText(textBox.getText() + "onRemove()");
            }

        };
        polyline.addPolylineRemoveHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polyline.removePolylineRemoveHandler(h);
            }

        });
    }
        break;

    case POLYLINE_VISIBILITY_CHANGED_HANDLER: {

        final PolylineVisibilityChangedHandler h = new PolylineVisibilityChangedHandler() {

            public void onVisibilityChanged(PolylineVisibilityChangedEvent e) {
                textBox.setText(textBox.getText() + "onVisibilityChanged(" + e.isVisible() + ")");
            }

        };
        polyline.addPolylineVisibilityChangedHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polyline.removePolylineVisibilityChangedHandler(h);
            }

        });
    }
        break;

    case POLYLINE_MOUSEOUT_HANDLER: {

        final PolylineMouseOutHandler h = new PolylineMouseOutHandler() {

            public void onMouseOut(PolylineMouseOutEvent e) {
                textBox.setText(textBox.getText() + "onMouseOut()");
            }

        };
        polyline.addPolylineMouseOutHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polyline.removePolylineMouseOutHandler(h);
            }

        });
    }
        break;

    case POLYLINE_MOUSEOVER_HANDLER: {

        final PolylineMouseOverHandler h = new PolylineMouseOverHandler() {

            public void onMouseOver(PolylineMouseOverEvent e) {
                textBox.setText(textBox.getText() + "onMouseOver()");
            }

        };
        polyline.addPolylineMouseOverHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polyline.removePolylineMouseOverHandler(h);
            }

        });
    }
        break;

    case POLYGON_CLICK_HANDLER: {

        final PolygonClickHandler h = new PolygonClickHandler() {

            public void onClick(PolygonClickEvent e) {
                textBox.setText(textBox.getText() + "onClick(" + e.getLatLng() + ")");
            }

        };
        polygon.addPolygonClickHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polygon.removePolygonClickHandler(h);
            }

        });
    }
        break;

    case POLYGON_REMOVE_HANDLER: {

        final PolygonRemoveHandler h = new PolygonRemoveHandler() {

            public void onRemove(PolygonRemoveEvent e) {
                textBox.setText(textBox.getText() + "onRemove()");
            }

        };
        polygon.addPolygonRemoveHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polygon.removePolygonRemoveHandler(h);
            }

        });
    }
        break;

    case POLYGON_VISIBILITY_CHANGED_HANDLER: {

        final PolygonVisibilityChangedHandler h = new PolygonVisibilityChangedHandler() {

            public void onVisibilityChanged(PolygonVisibilityChangedEvent e) {
                textBox.setText(textBox.getText() + "onVisibilityChanged(" + e.isVisible() + ")");
            }

        };
        polygon.addPolygonVisibilityChangedHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polygon.removePolygonVisibilityChangedHandler(h);
            }

        });
    }
        break;

    case POLYGON_MOUSEOUT_HANDLER: {

        final PolygonMouseOutHandler h = new PolygonMouseOutHandler() {

            public void onMouseOut(PolygonMouseOutEvent e) {
                textBox.setText(textBox.getText() + "onMouseOut()");
            }

        };
        polygon.addPolygonMouseOutHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polygon.removePolygonMouseOutHandler(h);
            }

        });
    }
        break;

    case POLYGON_MOUSEOVER_HANDLER: {

        final PolygonMouseOverHandler h = new PolygonMouseOverHandler() {

            public void onMouseOver(PolygonMouseOverEvent e) {
                textBox.setText(textBox.getText() + "onMouseOver()");
            }

        };
        polygon.addPolygonMouseOverHandler(h);
        removeHandlerButton.addClickListener(new ClickListener() {

            public void onClick(Widget sender) {
                polygon.removePolygonMouseOverHandler(h);
            }

        });
    }
        break;

    default:
        Window.alert("Unhandled HandlerActions case : " + a.valueOf());
    }
}

---