// Restore the state
public override void RestoreState()
{
string mapAlias = ParamsDictionary[ActiveMapAliasKey] as string;
Map map = MapInfo.Engine.Session.Current.MapFactory[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 (IsDirtySession(map))
{
RestoreDefaultState(map);
}
else
{
SaveDefaultState(map);
}
}
else
{
// If it is not user's first time then restore the last state they saved
RestoreZoomCenterState(map);
// Just by setting it to temp variables the objects are serialized into session. There is no need to set them explicitly.
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("Layers");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("Selection");
}
}
// 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
{
if (myMap == null)
{
return;
}
// Restore everything we saved explictly.
AppStateManager.RestoreZoomCenterState(myMap);
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("Catalog");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("Layers");
}
}
// 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("mdb_table");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("theme_table");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("theme_layer");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("group_layer");
// Important Note:
// The saved theme layer, group layer and tables get restored automatically by ASP.NET serialization.
// By the time this method is called, this has already happened.
// We need to move the GroupLayer to the Top, so the contents within it could be displayed.
// This step is necessary since the GroupLayer is created on the fly and not loaded through pre-loaded workspace and
// the position of the groupLayer inside the Layers collection is not guarantee when it get deserialized back
// since we don't save the whole Layers collection for performance purpose in this sample.
int indexOfGroupLayer = myMap.Layers.IndexOf(myMap.Layers[SampleConstants.GroupLayerAlias]);
if (indexOfGroupLayer > 0)
{
myMap.Layers.Move(indexOfGroupLayer, 0);
// Need to turn off other labellayer if we have a demo labellayer in the GroupLayer.
// This step is needed if "MapInfo.Engine.Session.Pooled" value="false" in the web.config,
// Otherwise you would see other LabelLayers show up on the map.
WebForm1.HandleLabelLayerVisibleStatus(myMap);
}
}
}
// Restore the users state
public override void RestoreState()
{
string mapAlias = ParamsDictionary[ActiveMapAliasKey] as string;
Map map = GetMapObj(mapAlias);
// If this is a clean pooled object save the default state for new users to
// access later.
if (!IsDirtyMapXtremeSession(map))
{
SaveDefaultState(map);
}
// If it was user's first time and the session is dirty, restore the default state.
if (IsUsersFirstTime())
{
if (IsDirtyMapXtremeSession(map))
{
RestoreDefaultState(map);
}
}
else
{
// If this is an existing user then restore the last state they saved
// Make sure to also check if this is a clean or dirty pooled object, you may
// have to restore some base state or tables prior to restoring users state. The best
// practice is to save all modified or added MapXtreme objects to the users state
// and restore them in the correct order. But in some instances clean up or
// initialization of the pooled MapXtreme Session may be necessary
if (IsDirtyMapXtremeSession(map))
{
// TODO: Manual work to prepare the dirty Pooled MapXtreme Session instance
}
else
{
// TODO: Manual work to prepare the clean Pooled MapXtreme Session instance
}
RestoreZoomCenterState(map);
// Just by deserializing the binary stream we reset the MapFactory Deault layers collection
// Any MapXtreme class that supports the ISerializable interface will automatically be
// restored to the current MapXtreme Session.
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("Layers");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("Selection");
}
}
// Restore the state
public override void RestoreState()
{
string mapAlias = ParamsDictionary[ActiveMapAliasKey] as string;
Map map = GetMapObj(mapAlias);
if (map == null)
{
return;
}
// 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(map))
{
RestoreDefaultState(map);
}
else
{
SaveDefaultState(map);
}
}
else
{
// If it is not user's first time then restore the last state they saved
RestoreZoomCenterState(map);
//ManualSerializer.RestoreMapXtremeObjectFromHttpSession("Layers");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession(GetKey("Selection"));
// Just by setting it to temp variables the objects are serialized into session. There is no need to set them explicitly.
if (StateManager.IsManualState())
{
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("tempTable");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("tempLayer");
}
}
}
// 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
{
if (myMap == null)
{
return;
}
// Restore everything we saved explictly.
AppStateManager.RestoreZoomCenterState(myMap);
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("WorkingTable");
ManualSerializer.RestoreMapXtremeObjectFromHttpSession("WorkingLayer");
// Get the workingLayerName saved in WebForm1.aspx page_load.
string workingLayerName = this.ParamsDictionary["WorkingLayerName"] as String;
int indexOfLayer = myMap.Layers.IndexOf(myMap.Layers[workingLayerName]);
// Move the working layer to the Top, so it can be displayed.
myMap.Layers.Move(indexOfLayer, 0);
}
}