// Restore the state
public override void RestoreState()
{
string mapAlias = ParamsDictionary[ActiveMapAliasKey] as string;
Map myMap = GetMapObj(mapAlias);
// If it was user's first time and the session was not dirty then save this default state to be applied later.
// If it was a users's first time and the session was dirty then apply the default state saved in above step to give users a initial state.
if (IsUsersFirstTime())
{
if (IsDirtyMapXtremeSession())
{
RestoreDefaultState(myMap);
}
else
{
SaveDefaultState(myMap);
}
}
else
{
AppStateManager.RestoreZoomCenterState(myMap);
ManualSerializer.RestoreMapXtremeObjectFromHttpSession(GetKey("Selection"));
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("tempTable");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("tempLayer");
}
}
protected void Page_Load(object sender, System.EventArgs e)
{
MapInfo.Mapping.Map myMap = GetMapObj();
if (Session.IsNewSession)
{
AppStateManager stateManager = new AppStateManager();
stateManager.ParamsDictionary[AppStateManager.ActiveMapAliasKey] = this.MapControl1.MapAlias;
MapInfo.WebControls.StateManager.PutStateManagerInSession(stateManager);
// Add customized web tools
// Below line will put controlModel into HttpSessionState.
MapInfo.WebControls.MapControlModel controlModel = MapControlModel.SetDefaultModelInSession();
controlModel.Commands.Add(new AddPinPointCommand());
controlModel.Commands.Add(new ClearPinPointCommand());
controlModel.Commands.Add(new ModifiedRadiusSelectionCommand());
/****** Set the initial state of the map *************/
// Clear up the temp layer left by other customer requests.
if (myMap != null)
{
if (myMap.Layers[SampleConstants.TempLayerAlias] != null)
{
myMap.Layers.Remove(SampleConstants.TempLayerAlias);
}
}
// Need to clean up "dirty" temp table left by other customer requests.
MapInfo.Engine.Session.Current.Catalog.CloseTable(SampleConstants.TempTableAlias);
// Need to clear the DefautlSelection.
MapInfo.Engine.Session.Current.Selections.DefaultSelection.Clear();
// Creat a temp table and AddPintPointCommand will add features into it.
MapInfo.Data.TableInfoMemTable ti = new MapInfo.Data.TableInfoMemTable(SampleConstants.TempTableAlias);
// Make the table mappable
ti.Columns.Add(MapInfo.Data.ColumnFactory.CreateFeatureGeometryColumn(myMap.GetDisplayCoordSys()));
ti.Columns.Add(MapInfo.Data.ColumnFactory.CreateStyleColumn());
MapInfo.Data.Table table = MapInfo.Engine.Session.Current.Catalog.CreateTable(ti);
// Create a new FeatureLayer based on the temp table, so we can see the temp table on the map.
myMap.Layers.Insert(0, new FeatureLayer(table, "templayer", SampleConstants.TempLayerAlias));
// This step is needed because you may get a dirty map from mapinfo Session.Current which is retrived from session pool.
myMap.Zoom = new MapInfo.Geometry.Distance(25000, MapInfo.Geometry.DistanceUnit.Mile);
myMap.Center = new MapInfo.Geometry.DPoint(27775.805792979896, -147481.33999999985);
}
MapInfo.WebControls.StateManager.GetStateManagerFromSession().RestoreState();
}
protected void Page_Load(object sender, System.EventArgs e)
{
MapInfo.Mapping.Map myMap = GetMapObj();
if(Session.IsNewSession)
{
AppStateManager stateManager = new AppStateManager();
stateManager.ParamsDictionary[AppStateManager.ActiveMapAliasKey] = this.MapControl1.MapAlias;
MapInfo.WebControls.StateManager.PutStateManagerInSession(stateManager);
// Add customized web tools
// Below line will put controlModel into HttpSessionState.
MapInfo.WebControls.MapControlModel controlModel = MapControlModel.SetDefaultModelInSession();
controlModel.Commands.Add(new AddPinPointCommand());
controlModel.Commands.Add(new ClearPinPointCommand());
controlModel.Commands.Add(new ModifiedRadiusSelectionCommand());
/****** Set the initial state of the map *************/
// Clear up the temp layer left by other customer requests.
if(myMap != null)
{
if(myMap.Layers[SampleConstants.TempLayerAlias] != null)
{
myMap.Layers.Remove(SampleConstants.TempLayerAlias);
}
}
// Need to clean up "dirty" temp table left by other customer requests.
MapInfo.Engine.Session.Current.Catalog.CloseTable(SampleConstants.TempTableAlias);
// Need to clear the DefautlSelection.
MapInfo.Engine.Session.Current.Selections.DefaultSelection.Clear();
// Creat a temp table and AddPintPointCommand will add features into it.
MapInfo.Data.TableInfoMemTable ti = new MapInfo.Data.TableInfoMemTable(SampleConstants.TempTableAlias);
// Make the table mappable
ti.Columns.Add(MapInfo.Data.ColumnFactory.CreateFeatureGeometryColumn(myMap.GetDisplayCoordSys()));
ti.Columns.Add(MapInfo.Data.ColumnFactory.CreateStyleColumn());
MapInfo.Data.Table table = MapInfo.Engine.Session.Current.Catalog.CreateTable(ti);
// Create a new FeatureLayer based on the temp table, so we can see the temp table on the map.
myMap.Layers.Insert(0, new FeatureLayer(table, "templayer", SampleConstants.TempLayerAlias));
// This step is needed because you may get a dirty map from mapinfo Session.Current which is retrived from session pool.
myMap.Zoom = new MapInfo.Geometry.Distance(25000, MapInfo.Geometry.DistanceUnit.Mile);
myMap.Center = new MapInfo.Geometry.DPoint(27775.805792979896,-147481.33999999985);
}
MapInfo.WebControls.StateManager.GetStateManagerFromSession().RestoreState();
}
