public static void RegisterMapping()
 {
     GuestMap.CreateMap();
     ExpenseMap.CreateMap();
     BallroomMap.CreateMap();
     PdfMap.CreateMap();
     TasksMap.CreateMap();
 }
Example #2
0
    public void ProcessRequest(HttpContext context)
    {
        HttpResponse response = context.Response;

        response.Clear();

        AppState appState      = AppState.FromJson(context.Request.Form["state"]);
        string   templateID    = context.Request.Form["template"];
        string   scaleMode     = context.Request.Form["scalemode"];
        double   originalWidth = Convert.ToDouble(context.Request.Form["width"]);

        // if the user entered a feet-per-inch scale, compute the pixel width of the map
        // for the scale given the extent width

        if (scaleMode == "input")
        {
            double extentWidth = appState.Extent.Width * (AppContext.AppSettings.MapUnits == "feet" ? 1 : Constants.FeetPerMeter);
            double scale       = Convert.ToDouble(context.Request.Form["scale"]);

            originalWidth = extentWidth * 96 / scale;
            scaleMode     = "scale";
        }

        PreserveMode preserveMode = (PreserveMode)Enum.Parse(typeof(PreserveMode), scaleMode, true);

        // read in the user inputs

        List <String> input = new List <String>();

        Configuration.ApplicationRow   application = AppContext.GetConfiguration().Application.First(o => o.ApplicationID == appState.Application);
        Configuration.PrintTemplateRow template    = application.GetPrintTemplates().First(o => o.TemplateID == templateID);

        foreach (Configuration.PrintTemplateContentRow element in template.GetPrintTemplateContentRows().Where(o => o.ContentType == "input"))
        {
            string fieldName = String.Format("input_{0}_{1}", template.TemplateID, element.SequenceNo);
            input.Add(context.Request.Form[fieldName]);
        }

        // produce the PDF output

        PdfMap pdfMap = new PdfMap(appState, templateID, input, preserveMode, originalWidth);

        pdfMap.Write(response);
        response.End();
    }
Example #3
0
  public void ProcessRequest(HttpContext context)
  {
    HttpResponse response = context.Response;
    response.Clear();

    AppState appState = AppState.FromJson(context.Request.Form["state"]);
    string templateID = context.Request.Form["template"];
    string scaleMode = context.Request.Form["scalemode"];
    double originalWidth = Convert.ToDouble(context.Request.Form["width"]);

    // if the user entered a feet-per-inch scale, compute the pixel width of the map
    // for the scale given the extent width

    if (scaleMode == "input")
    {
      double extentWidth = appState.Extent.Width * (AppSettings.MapUnits == "feet" ? 1 : Constants.FeetPerMeter);
      double scale = Convert.ToDouble(context.Request.Form["scale"]);

      originalWidth = extentWidth * 96 / scale;
      scaleMode = "scale";
    }

    PreserveMode preserveMode = (PreserveMode)Enum.Parse(typeof(PreserveMode), scaleMode, true);

    // read in the user inputs

    List<String> input = new List<String>();
    Configuration.ApplicationRow application = AppContext.GetConfiguration().Application.First(o => o.ApplicationID == appState.Application);
    Configuration.PrintTemplateRow template = application.GetPrintTemplates().First(o => o.TemplateID == templateID);

    foreach (Configuration.PrintTemplateContentRow element in template.GetPrintTemplateContentRows().Where(o => o.ContentType == "input"))
    {
      string fieldName = String.Format("input_{0}_{1}", template.TemplateID, element.SequenceNo);
      input.Add(context.Request.Form[fieldName]);
    }

    // produce the PDF output

    PdfMap pdfMap = new PdfMap(appState, templateID, input, preserveMode, originalWidth);
    pdfMap.Write(response);
    response.End();
  }
Example #4
0
    protected void cmdCreate_Click(object sender, EventArgs e)
    {
        AppState     appState     = AppState.RestoreFrom(ViewState);
        double       width        = (double)ViewState["width"];
        PreserveMode preserveMode = optPreserveScale.Checked ? PreserveMode.Scale : PreserveMode.Width;

        List <String> input = new List <String>();

        if (ddlPrintTemplate.SelectedIndex > -1 && _inputFields.ContainsKey(ddlPrintTemplate.SelectedValue))
        {
            foreach (int i in _inputFields[ddlPrintTemplate.SelectedValue])
            {
                TextBox tbo = FindControl(String.Format("tboInput{0}", i)) as TextBox;
                input.Add(tbo.Text);
            }
        }

        PdfMap pdfMap = new PdfMap(appState, ddlPrintTemplate.SelectedValue, input, preserveMode, width);

        pdfMap.Write(Response);
        Response.End();
    }
Example #5
0
  private void LoadStateFromLaunchParams(Dictionary<String, String> launchParams)
  {
    _appState = new AppState();

    // recreate application state from a compressed string if provided

    if (launchParams.ContainsKey("state"))
    {
      RestoreState(launchParams["state"]);
      return;
    }

    // otherwise, if no application was specified, show the
    // available applications or an error

    if (String.IsNullOrEmpty(AppSettings.DefaultApplication) && !launchParams.ContainsKey("application"))
    {
      ShowError("An application has not been specified");
    }

    // check that Web.config has the necessary settings

    if (AppSettings.DefaultFullExtent == null)
    {
      ShowError("FullExtent has not been provided or is invalid in Web.config");
    }

    if (AppSettings.MapUnits == null)
    {
      ShowError("MapUnits has not been provided in Web.config");
    }
    else
    {
      string mapUnits = AppSettings.MapUnits;

      if (mapUnits != "feet" && mapUnits != "meters")
      {
        ShowError("MapUnits is invalid in Web.config, must be \"feet\" or \"meters\"");
      }
    }

    if (AppSettings.MeasureUnits == null)
    {
      ShowError("MeasureUnits has not been provided in Web.config");
    }
    else
    {
      string measureUnits = AppSettings.MeasureUnits;

      if (measureUnits != "feet" && measureUnits != "meters" && measureUnits != "both")
      {
        ShowError("MeasureUnits is invalid in Web.config, must be \"feet\", \"meters\", or \"both\"");
      }
    }

    if (AppSettings.CoordinateSystem == null)
    {
      ShowError("Projection parameters have not been provided or are invalid in Web.config");
    }

    // -- Active --

    if (AppSettings.ActiveColor.IsEmpty)
    {
      ShowError("ActiveColor has not been provided or is invalid in Web.config");
    }

    if (Double.IsNaN(AppSettings.ActiveOpacity))
    {
      ShowError("ActiveColor has not been provided in Web.config");
    }

    if (AppSettings.ActiveOpacity < 0 || 1 < AppSettings.ActiveOpacity)
    {
      ShowError("ActiveColor is invalid in Web.config");
    }

    if (AppSettings.ActivePolygonMode == null)
    {
      ShowError("ActivePolygonMode has not been provided in Web.config");
    }
    else
    {
      string polygonMode = AppSettings.ActivePolygonMode;

      if (polygonMode != "fill" && polygonMode != "outline")
      {
        ShowError("ActivePolygonMode is invalid in Web.config, must be \"fill\" or \"outline\"");
      }
    }

    if (AppSettings.ActivePenWidth == Int32.MinValue)
    {
      ShowError("ActivePenWidth has not been provided in Web.config");
    }

    if (AppSettings.ActivePenWidth <= 0)
    {
      ShowError("ActivePenWidth is invalid in Web.config");
    }

    if (AppSettings.ActiveDotSize == Int32.MinValue)
    {
      ShowError("ActiveDotSize has not been provided in Web.config");
    }

    if (AppSettings.ActiveDotSize <= 0)
    {
      ShowError("ActiveDotSize is invalid in Web.config");
    }

    // -- Target --

    if (AppSettings.TargetColor.IsEmpty)
    {
      ShowError("TargetColor has not been provided or is invalid in Web.config");
    }

    if (Double.IsNaN(AppSettings.TargetOpacity))
    {
      ShowError("TargetOpacity has not been provided in Web.config");
    }

    if (AppSettings.TargetOpacity < 0 || 1 < AppSettings.TargetOpacity)
    {
      ShowError("TargetOpacity is invalid in Web.config");
    }

    if (AppSettings.TargetPolygonMode == null)
    {
      ShowError("TargetPolygonMode has not been provided in Web.config");
    }
    else
    {
      string polygonMode = AppSettings.TargetPolygonMode;

      if (polygonMode != "fill" && polygonMode != "outline")
      {
        ShowError("TargetPolygonMode is invalid in Web.config, must be \"fill\" or \"outline\"");
      }
    }

    if (AppSettings.TargetPenWidth == Int32.MinValue)
    {
      ShowError("TargetPenWidth has not been provided in Web.config");
    }

    if (AppSettings.TargetPenWidth <= 0)
    {
      ShowError("TargetPenWidth is invalid in Web.config");
    }

    if (AppSettings.TargetDotSize == Int32.MinValue)
    {
      ShowError("TargetDotSize has not been provided in Web.config");
    }

    if (AppSettings.TargetDotSize <= 0)
    {
      ShowError("TargetDotSize is invalid in Web.config");
    }

    // -- Selection --

    if (AppSettings.SelectionColor.IsEmpty)
    {
      ShowError("SelectionColor has not been provided or is invalid in Web.config");
    }

    if (Double.IsNaN(AppSettings.SelectionOpacity))
    {
      ShowError("SelectionOpacity has not been provided in Web.config");
    }

    if (AppSettings.SelectionOpacity < 0 || 1 < AppSettings.SelectionOpacity)
    {
      ShowError("SelectionOpacity is invalid in Web.config");
    }

    if (AppSettings.SelectionPolygonMode == null)
    {
      ShowError("SelectionPolygonMode has not been provided in Web.config");
    }
    else
    {
      string polygonMode = AppSettings.SelectionPolygonMode;

      if (polygonMode != "fill" && polygonMode != "outline")
      {
        ShowError("SelectionPolygonMode is invalid in Web.config, must be \"fill\" or \"outline\"");
      }
    }

    if (AppSettings.SelectionPenWidth == Int32.MinValue)
    {
      ShowError("SelectionPenWidth has not been provided in Web.config");
    }

    if (AppSettings.SelectionPenWidth <= 0)
    {
      ShowError("SelectionPenWidth is invalid in Web.config");
    }

    if (AppSettings.SelectionDotSize == Int32.MinValue)
    {
      ShowError("SelectionDotSize has not been provided in Web.config");
    }

    if (AppSettings.SelectionDotSize <= 0)
    {
      ShowError("SelectionDotSize is invalid in Web.config");
    }

    // -- Filtered --

    if (AppSettings.FilteredColor.IsEmpty)
    {
      ShowError("FilteredColor has not been provided or is invalid in Web.config");
    }

    if (Double.IsNaN(AppSettings.FilteredOpacity))
    {
      ShowError("FilteredOpacity has not been provided in Web.config");
    }

    if (AppSettings.FilteredOpacity < 0 || 1 < AppSettings.FilteredOpacity)
    {
      ShowError("FilteredOpacity is invalid in Web.config");
    }

    if (AppSettings.FilteredPolygonMode == null)
    {
      ShowError("FilteredPolygonMode has not been provided in Web.config");
    }
    else
    {
      string polygonMode = AppSettings.FilteredPolygonMode;

      if (polygonMode != "fill" && polygonMode != "outline")
      {
        ShowError("FilteredPolygonMode is invalid in Web.config, must be \"fill\" or \"outline\"");
      }
    }

    if (AppSettings.FilteredPenWidth == Int32.MinValue)
    {
      ShowError("FilteredPenWidth has not been provided in Web.config");
    }

    if (AppSettings.FilteredPenWidth <= 0)
    {
      ShowError("FilteredPenWidth is invalid in Web.config");
    }

    if (AppSettings.FilteredDotSize == Int32.MinValue)
    {
      ShowError("FilteredDotSize has not been provided in Web.config");
    }

    if (AppSettings.FilteredDotSize <= 0)
    {
      ShowError("FilteredDotSize is invalid in Web.config");
    }

    // -- Buffer --

    if (AppSettings.BufferColor.IsEmpty)
    {
      ShowError("BufferColor has not been provided or is invalid in Web.config");
    }

    if (Double.IsNaN(AppSettings.BufferOpacity))
    {
      ShowError("BufferOpacity has not been provided in Web.config");
    }

    if (AppSettings.BufferOpacity < 0 || 1 < AppSettings.BufferOpacity)
    {
      ShowError("BufferOpacity is invalid in Web.config");
    }

    if (AppSettings.BufferOutlineColor.IsEmpty)
    {
      ShowError("BufferOutlineColor has not been provided or is invalid in Web.config");
    }

    if (Double.IsNaN(AppSettings.BufferOutlineOpacity))
    {
      ShowError("BufferOutlineOpacity has not been provided in Web.config");
    }

    if (AppSettings.BufferOutlineOpacity < 0 || 1 < AppSettings.BufferOutlineOpacity)
    {
      ShowError("BufferOutlineOpacity is invalid in Web.config");
    }

    if (AppSettings.BufferOutlineOpacity == Int32.MinValue)
    {
      ShowError("BufferOutlineOpacity has not been provided in Web.config");
    }

    if (AppSettings.ExportFormat == null)
    {
      ShowError("ExportFormat has not been provided in Web.config");
    }
    else
    {
      if (AppSettings.ExportFormat != "csv" && AppSettings.ExportFormat != "xls")
      {
        ShowError("ExportFormat is invalid in Web.config, must be \"csv\" or \"xls\"");
      }
    }

    if (AppSettings.PreserveOnActionChange != "target" && AppSettings.PreserveOnActionChange != "selection")
    {
      ShowError("PreserveOnActionChange is invalid in Web.config, must be \"target\" or \"selection\"");
    }

    if (AppSettings.MarkupTimeout == Int32.MinValue)
    {
      ShowError("MarkupTimeout has not been provided in Web.config");
    }

    // otherwise, load the query string into the application state
    // and validate against the configuration

    // === application ===

    _appState.Application = launchParams.ContainsKey("application") ? launchParams["application"] : AppSettings.DefaultApplication;

    Configuration.ApplicationRow application = _config.Application.FindByApplicationID(_appState.Application);
    Configuration.MapTabRow mapTab;

    // the Application must exist

    if (application == null)
    {
      ShowError("Application '" + _appState.Application + "' does not exist");
    }

    // the user must be authorized to run the application

    string roles = application.IsAuthorizedRolesNull() ? "public" : application.AuthorizedRoles;

    if (!AppUser.RoleIsInList(roles))
    {
      ShowError("You are not authorized to view the application '" + _appState.Application + "'");
    }

    _appState.Application = application.ApplicationID;
    _appState.Extent = application.GetFullExtentEnvelope();

    // get the default visible layers for all interactive legends

    foreach (Configuration.ApplicationMapTabRow applicationMapTab in application.GetApplicationMapTabRows())
    {
      mapTab = applicationMapTab.MapTabRow;

      if (!mapTab.IsInteractiveLegendNull() && mapTab.InteractiveLegend == 1)
      {
        string key = mapTab.MapTabID;
        StringCollection values = new StringCollection();

        foreach (Configuration.MapTabLayerRow mapTabLayer in mapTab.GetMapTabLayerRows())
        {
          if (!mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1 &&
              !mapTabLayer.IsCheckInLegendNull() && mapTabLayer.CheckInLegend == 1)
          {
            values.Add(mapTabLayer.LayerID);
          }
        }

        _appState.VisibleLayers.Add(key, values);
      }
    }

    // === maptab ===

    mapTab = null;

    if (launchParams.ContainsKey("maptab"))
    {
      _appState.MapTab = launchParams["maptab"];
      mapTab = _config.MapTab.FindByMapTabID(_appState.MapTab);

      // the MapTab must exist

      if (mapTab == null)
      {
        ShowError("Map tab '" + _appState.MapTab + "' does not exist");
      }

      _appState.MapTab = mapTab.MapTabID;
      string filter = "ApplicationID = '" + application.ApplicationID + "' and MapTabID = '" + mapTab.MapTabID + "'";

      // the Application must contain the MapTab

      if (_config.ApplicationMapTab.Select(filter).Length == 0)
      {
        ShowError("Application '" + application.ApplicationID + "' does not contain map tab '" + mapTab.MapTabID + "'");
      }
    }

    // get the default MapTab from the Application if available

    if (mapTab == null)
    {
      if (!application.IsDefaultMapTabNull())
      {
        mapTab = (Configuration.MapTabRow)(_config.MapTab.Select("MapTabID = '" + application.DefaultMapTab + "'")[0]);
      }
      else
      {
        Configuration.ApplicationMapTabRow applicationMapTab = (Configuration.ApplicationMapTabRow)_config.ApplicationMapTab.Select("ApplicationID = '" + _appState.Application + "'")[0];
        mapTab = applicationMapTab.MapTabRow;
      }

      _appState.MapTab = mapTab.MapTabID;
    }

    // === layers on ===

    if (launchParams.ContainsKey("layerson"))
    {
      StringCollection layersOn = StringCollection.FromString(launchParams["layerson"], ',');
      StringCollection visibleLayers = _appState.VisibleLayers[mapTab.MapTabID];

      foreach (string layerId in layersOn)
      {
        Configuration.MapTabLayerRow mapTabLayer = mapTab.GetMapTabLayerRows().FirstOrDefault(o => o.LayerID == layerId);

        if (mapTabLayer == null)
        {
          ShowError(String.Format("Layer \"{0}\" does not exist in map tab \"{1}\"", layerId, mapTab.MapTabID));
        }
        else if (!mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1 &&
            !mapTabLayer.IsCheckInLegendNull() && mapTabLayer.CheckInLegend >= 0 &&
            !visibleLayers.Contains(layerId))
        {
          visibleLayers.Add(layerId);
        }
      }
    }

    // === layers off ===

    if (launchParams.ContainsKey("layersoff"))
    {
      StringCollection layersOff = StringCollection.FromString(launchParams["layersoff"], ',');
      StringCollection visibleLayers = _appState.VisibleLayers[mapTab.MapTabID];

      foreach (string layerId in layersOff)
      {
        Configuration.MapTabLayerRow mapTabLayer = mapTab.GetMapTabLayerRows().FirstOrDefault(o => o.LayerID == layerId);

        if (mapTabLayer == null)
        {
          ShowError(String.Format("Layer \"{0}\" does not exist in map tab \"{1}\"", layerId, mapTab.MapTabID));
        }
        else if (!mapTabLayer.IsShowInLegendNull() && mapTabLayer.ShowInLegend == 1 &&
            !mapTabLayer.IsCheckInLegendNull() && mapTabLayer.CheckInLegend >= 1 &&
            visibleLayers.Contains(layerId))
        {
          visibleLayers.Remove(layerId);
        }
      }
    }

    // === level ===

    Configuration.ZoneLevelRow zoneLevel = application.ZoneLevelRow;
    Configuration.LevelRow[] levels = zoneLevel != null ? zoneLevel.GetLevelRows() : new Configuration.LevelRow[0];

    if (!application.IsDefaultLevelNull())
    {
      _appState.Level = application.DefaultLevel;
    }
    else if (levels.Length > 0)
    {
      _appState.Level = levels[0].LevelID;
    }

    if (launchParams.ContainsKey("level"))
    {
      if (levels.Length == 0)
      {
        ShowError("A level was specified but levels have not been configured for this application");
      }
      else if (!levels.Any(o => o.LevelID == launchParams["level"]))
      {
        ShowError(String.Format("Invalid level '{0}' specified", launchParams["level"]));
      }
      else
      {
        _appState.Level = launchParams["level"];
      }
    }

    // === action ===

    if (!application.IsDefaultActionNull())
    {
      _appState.Action = (Action)Enum.Parse(typeof(Action), application.DefaultAction, true);
    }

    if (launchParams.ContainsKey("action"))
    {
      try
      {
        _appState.Action = (Action)Enum.Parse(typeof(Action), launchParams["action"], true);
      }
      catch
      {
        ShowError("Invalid action '" + launchParams["action"] + "', must be either " + EnumHelper.ToChoiceString(typeof(Action)));
      }
    }

    // === targetlayer ===

    Configuration.LayerRow targetLayer = null;

    if (launchParams.ContainsKey("targetlayer"))
    {
      _appState.TargetLayer = launchParams["targetlayer"];
      targetLayer = _config.Layer.FindByLayerID(_appState.TargetLayer);

      // the Layer must exist

      if (targetLayer == null)
      {
        ShowError("Target layer '" + _appState.TargetLayer + "' does not exist");
      }

      _appState.TargetLayer = targetLayer.LayerID;

      // a MapTab must be specified or available by default

      if (mapTab == null)
      {
        ShowError("When providing a target layer, a map tab must also be specified or the application must have a default map tab defined");
      }

      string filter = "MapTabID = '" + mapTab.MapTabID + "' and LayerID = '" + targetLayer.LayerID + "'";
      DataRow[] rows = _config.MapTabLayer.Select(filter);

      // the MapTab must contain the Layer

      if (rows.Length == 0)
      {
        ShowError("Layer '" + targetLayer.LayerID + "' does not exist in map tab '" + mapTab.MapTabID + "'");
      }

      Configuration.MapTabLayerRow link = (Configuration.MapTabLayerRow)rows[0];

      // the Layer must be an allowed as a target in the MapTab

      if (link.IsAllowTargetNull() || link.AllowTarget <= 0)
      {
        ShowError("Layer '" + targetLayer.LayerID + "' is not allowed to be a target layer for map tab '" + mapTab.MapTabID + "'");
      }
    }

    // get the default target Layer from the Application

    if (targetLayer == null && !application.IsDefaultTargetLayerNull())
    {
      targetLayer = (Configuration.LayerRow)(_config.Layer.Select("LayerID = '" + application.DefaultTargetLayer + "'")[0]);
      _appState.TargetLayer = targetLayer.LayerID;
    }

    // === targetids ===

    if (launchParams.ContainsKey("targetids"))
    {
      if (launchParams.ContainsKey("targetparams"))
      {
        ShowError("When providing target IDs, target parameters are not allowed");
      }

      // action must be Select

      if (_appState.Action != Action.Select)
      {
        ShowError("When providing target IDs, action must be 'select'");
      }

      // a target Layer must be available

      if (targetLayer == null)
      {
        ShowError("When providing target IDs, a target layer must also be specified or the application must have a default target layer defined");
      }

      _appState.TargetIds = StringCollection.FromString(launchParams["targetids"], ',');
    }

    // === targetparams ===

    if (launchParams.ContainsKey("targetparams"))
    {
      // action must be Select

      if (_appState.Action != Action.Select)
      {
        ShowError("When providing target parameters, action must be 'select'");
      }

      // a target Layer must be available

      if (targetLayer == null)
      {
        ShowError("When providing target parameters, a target layer must also be specified or the application must have a default target layer defined");
      }

      if (!targetLayer.GetLayerFunctionRows().Any(o => o.FunctionName == "targetparams"))
      {
        ShowError("The target layer has not been configured to accept target parameters");
      }

      _appState.TargetIds = targetLayer.GetTargetIds(launchParams["targetparams"]);
    }

    // === proximity ===

    Configuration.ProximityRow proximity = null;

    if (launchParams.ContainsKey("proximity"))
    {
      _appState.Proximity = launchParams["proximity"];
      proximity = _config.Proximity.FindByProximityID(_appState.Proximity);

      // the Proximity must exist

      if (proximity == null)
      {
        ShowError(String.Format("Proximity '{0}' does not exist", _appState.Proximity));
      }

      _appState.Proximity = proximity.ProximityID;

      // a target Layer must be available

      if (targetLayer == null)
      {
        ShowError("When providing a proximity, a target layer must also be specified or the application must have a default target layer defined");
      }

      // the Proximity must be valid for the target Layer

      bool invalid = false;
      bool proximityAttachedToLayer = _config.LayerProximity.Select(String.Format("LayerID = '{0}' and ProximityID = '{1}'", targetLayer.LayerID, _appState.Proximity)).Length == 1;

      if (proximity.IsIsDefaultNull() || proximity.IsDefault == 1)
      {
        bool layerHasProximities = _config.LayerProximity.Select(String.Format("LayerID = '{0}'", targetLayer.LayerID)).Length > 0;
        invalid = layerHasProximities && !proximityAttachedToLayer;
      }
      else
      {
        invalid = !proximityAttachedToLayer;
      }

      if (invalid)
      {
        ShowError(String.Format("Proximity '{0}' is not valid for target layer '{1}'", _appState.Proximity, _appState.TargetLayer));
      }
    }

    // get the default Proximity from the Application or configuration

    if (proximity == null && !application.IsDefaultProximityNull())
    {
      proximity = (Configuration.ProximityRow)(_config.Proximity.Select(String.Format("ProximityID = '{0}'", application.DefaultProximity))[0]);
      _appState.Proximity = proximity.ProximityID;
    }

    // === selectionlayer ===

    Configuration.LayerRow selectionLayer = null;

    if (launchParams.ContainsKey("selectionlayer"))
    {
      _appState.SelectionLayer = launchParams["selectionlayer"];
      selectionLayer = _config.Layer.FindByLayerID(_appState.SelectionLayer);

      // the Layer must exist

      if (selectionLayer == null)
      {
        ShowError("Selection layer '" + _appState.SelectionLayer + "' does not exist");
      }

      _appState.SelectionLayer = selectionLayer.LayerID;

      // a MapTab must be specified or available by default

      if (mapTab == null)
      {
        ShowError("When providing a selection layer, a map tab must also be specified or the application must have a default map tab defined");
      }

      // a target Layer must be available

      if (targetLayer == null)
      {
        ShowError("When providing a selection layer, a target layer must also be specified or the application must have a default target layer defined");
      }

      string filter = "MapTabID = '" + mapTab.MapTabID + "' and LayerID = '" + selectionLayer.LayerID + "'";
      DataRow[] rows = _config.MapTabLayer.Select(filter);

      // the MapTab must contain the Layer

      if (rows.Length == 0)
      {
        ShowError("Layer '" + selectionLayer.LayerID + "' does not exist in map tab '" + mapTab.MapTabID + "'");
      }

      Configuration.MapTabLayerRow link = (Configuration.MapTabLayerRow)rows[0];

      // the Layer must be allowed for selection in the MapTab

      if (link.IsAllowSelectionNull() || link.AllowSelection <= 0)
      {
        ShowError("Layer '" + selectionLayer.LayerID + "' is not allowed to be a selection layer for map tab '" + mapTab.MapTabID + "'");
      }
    }

    // get the default selection Layer from the Application

    if (selectionLayer == null && !application.IsDefaultSelectionLayerNull())
    {
      selectionLayer = (Configuration.LayerRow)(_config.Layer.Select("LayerID = '" + application.DefaultSelectionLayer + "'")[0]);
      _appState.SelectionLayer = selectionLayer.LayerID;
    }

    // === selectionids ===

    if (launchParams.ContainsKey("selectionids"))
    {
      if (_appState.TargetIds.Count > 0)
      {
        ShowError("When providing target IDs or target parameters, selection IDs are not allowed");
      }

      // a selection Layer must be available

      if (selectionLayer == null)
      {
        ShowError("When providing selection IDs, a selection layer must also be specified or the application must have a default selection layer defined");
      }

      _appState.SelectionIds = StringCollection.FromString(launchParams["selectionids"], ',');

      if (_appState.Action == Action.FindAllWithin && String.IsNullOrEmpty(_appState.Proximity))
      {
        ShowError("When action is 'findallwithin' and selection IDs are provided, a proximity must also be specified or the application must have a default proximity defined");
      }

      if (_appState.Action != Action.Select)
      {
        _appState.SelectionManager.SelectTargets();
      }
    }

    // zoom to the extent of the target and/or selection features

    if (_appState.TargetIds.Count > 0 || _appState.SelectionIds.Count > 0)
    {
      Envelope extent = new Envelope();

      if (_appState.TargetIds.Count > 0)
      {
        extent.ExpandToInclude(_appState.SelectionManager.GetExtent(FeatureType.Target));
      }

      if (_appState.SelectionIds.Count > 0)
      {
        extent.ExpandToInclude(_appState.SelectionManager.GetExtent(FeatureType.Selection));
      }

      if (!extent.IsNull)
      {
        extent.ScaleBy(1.2);
        _appState.Extent = extent;
      }
    }

    // === activemapid ===

    if (launchParams.ContainsKey("activemapid"))
    {
      string activeMapId = launchParams["activemapid"];

      if (_appState.TargetIds.Contains(activeMapId))
      {
        _appState.ActiveMapId = activeMapId;
      }
    }

    // === activedataid ===

    if (launchParams.ContainsKey("activedataid"))
    {
      _appState.ActiveDataId = launchParams["activedataid"];
    }
    else
    {
      if (_appState.ActiveMapId.Length > 0)
      {
        _appState.ActiveDataId = _appState.ActiveMapId;
      }
    }

    // === query ===

    Configuration.QueryRow query = null;

    if (launchParams.ContainsKey("query"))
    {
      query = _config.Query.FindByQueryID(launchParams["query"]);

      // the Query must exist

      if (query == null)
      {
        ShowError("Query '" + launchParams["query"] + "' does not exist");
      }

      // a target Layer must be available

      if (targetLayer == null)
      {
        ShowError("When providing a query, a target layer must also be specified or the application must have a default target layer defined");
      }

      // the target Layer must contain the Query

      if (query.LayerID != targetLayer.LayerID)
      {
        ShowError("Target layer '" + targetLayer.LayerID + "' does not contain query '" + query.QueryID + "'");
      }
    }
    else if (!String.IsNullOrEmpty(_appState.TargetLayer))
    {
      query = _config.Query.Where(o => o.LayerID == _appState.TargetLayer).OrderBy(o => o.SequenceNo).FirstOrDefault();
    }

    if (query != null)
    {
      _appState.Query = query.QueryID;

      // a single TargetId was specified without ActiveMapId and ActiveDataId, try to fetch a single data ID for it
      // from the query stored procedure; if found set ActiveMapId and ActiveDataId

      if (_appState.TargetIds.Count == 1 && String.IsNullOrEmpty(_appState.ActiveMapId) && String.IsNullOrEmpty(_appState.ActiveDataId))
      {
        string mapId = _appState.TargetIds[0];
        string dataId = null;

        using (OleDbCommand command = query.GetDatabaseCommand())
        {
          command.Parameters[0].Value = mapId;

          if (command.Parameters.Count > 1)
          {
            command.Parameters[1].Value = AppUser.GetRole();
          }

          try
          {
            using (OleDbDataReader reader = command.ExecuteReader())
            {
              if (reader.Read())
              {
                try
                {
                  int dataIdColumn = reader.GetOrdinal("DataID");
                  dataId = reader.GetValue(dataIdColumn).ToString();
                }
                catch
                {
                  dataId = mapId;
                }
              }

              if (reader.Read())
              {
                dataId = null;
              }
            }
          }
          catch { }

          command.Connection.Close();
        }

        if (!String.IsNullOrEmpty(dataId))
        {
          _appState.ActiveMapId = mapId;
          _appState.ActiveDataId = dataId;
        }
      }
    }

    // === datatab ===

    if (launchParams.ContainsKey("datatab"))
    {
      _appState.DataTab = launchParams["datatab"];
      Configuration.DataTabRow dataTab = _config.DataTab.FindByDataTabID(_appState.DataTab);

      // the DataTab must exist

      if (dataTab == null)
      {
        ShowError("Data tab '" + _appState.DataTab + "' does not exist");
      }

      _appState.DataTab = dataTab.DataTabID;

      // a target Layer must be available

      if (targetLayer == null)
      {
        ShowError("When providing a data tab, a target layer must also be specified or the application must have a default target layer defined");
      }

      // the target Layer must contain the DataTab

      if (dataTab.LayerID != targetLayer.LayerID)
      {
        ShowError("Target layer '" + targetLayer.LayerID + "' does not contain data tab '" + dataTab.DataTabID + "'");
      }
    }

    // === function tabs ===

    if (!application.IsFunctionTabsNull())
    {
      _appState.FunctionTabs = (FunctionTab)Enum.Parse(typeof(FunctionTab), application.FunctionTabs, true);
    }

    if (launchParams.ContainsKey("functiontabs"))
    {
      string[] tabs = launchParams["functiontabs"].ToLower().Split(',');
      FunctionTab newTabs = FunctionTab.None;

      foreach (string tab in tabs)
      {
        FunctionTab functionTab = FunctionTab.None;

        try
        {
          functionTab = (FunctionTab)Enum.Parse(typeof(FunctionTab), tab, true);
        }
        catch
        {
          ShowError("Invalid function tab '" + tab + "', must be either " + EnumHelper.ToChoiceString(typeof(FunctionTab)));
        }

        if (functionTab == FunctionTab.All && _appState.FunctionTabs != FunctionTab.All)
        {
          ShowError("Use of all function tabs is not allowed in this application");
        }

        if (functionTab != FunctionTab.None && (functionTab & _appState.FunctionTabs) == FunctionTab.None)
        {
          ShowError("Function tab '" + tab + "', not allowed in this application");
        }

        newTabs |= functionTab;
      }

      _appState.FunctionTabs = newTabs;
    }

    // === active function tab ===

    if (launchParams.ContainsKey("activefunctiontab"))
    {
      string tab = launchParams["activefunctiontab"];
      FunctionTab functionTab = FunctionTab.None;

      try
      {
        functionTab = (FunctionTab)Enum.Parse(typeof(FunctionTab), tab, true);
      }
      catch
      {
        ShowError("Invalid active function tab '" + tab + "', must be either " + EnumHelper.ToChoiceString(typeof(FunctionTab)));
      }

      if (functionTab != FunctionTab.None && (functionTab & _appState.FunctionTabs) == FunctionTab.None)
      {
        ShowError("Function tab '" + tab + "' cannot be activated because is not present in this application");
      }

      _appState.ActiveFunctionTab = functionTab;
    }

    // === markup category ===

    Configuration.ApplicationMarkupCategoryRow markupCategory = null;

    if (launchParams.ContainsKey("markupcategory"))
    {
      string filter = String.Format("ApplicationID = '{0}' and CategoryID = '{1}'", application.ApplicationID, launchParams["markupcategory"]);
      DataRow[] rows = _config.ApplicationMarkupCategory.Select(filter);

      if (rows.Length > 0)
      {
        markupCategory = (Configuration.ApplicationMarkupCategoryRow)rows[0];
        _appState.MarkupCategory = markupCategory.CategoryID;
      }
      else
      {
        ShowError("Markup category '" + launchParams["markupcategory"] + "' is not available in application '" + application.ApplicationID + "'");
      }
    }
    else
    {
      Configuration.ApplicationMarkupCategoryRow[] markupCategories = application.GetApplicationMarkupCategoryRows();

      if (markupCategories.Length > 0)
      {
        markupCategory = markupCategories[0];
        _appState.MarkupCategory = markupCategories[0].CategoryID;
      }
    }

    // === markup groups ===

    if (launchParams.ContainsKey("markupgroup") || launchParams.ContainsKey("markupgroups"))
    {
      List<String> markupGroups = new List<String>(launchParams.ContainsKey("markupgroups") ? launchParams["markupgroups"].Split(',') : new string[] { launchParams["markupgroup"] });

      using (OleDbConnection connection = AppContext.GetDatabaseConnection())
      {
        foreach (string markupGroup in markupGroups)
        {
          int groupId = 0;
          Int32.TryParse(markupGroup, out groupId);

          if (groupId < 1)
          {
            ShowError("Invalid markup group ID specified");
          }

          if (markupCategory == null)
          {
            ShowError("Cannot show the specified markup group; the application does not contain any markup categories");
          }

          string sql = String.Format("select CategoryID from {0}MarkupGroup where GroupID = {1}",
              AppSettings.ConfigurationTablePrefix, groupId);
          string categoryID = null;

          using (OleDbCommand command = new OleDbCommand(sql, connection))
          {
            categoryID = command.ExecuteScalar() as String;
          }

          if (categoryID != markupCategory.CategoryID)
          {
            ShowError(String.Format("Markup group {0} is not a member of markup category '{1}'", markupGroup, markupCategory.CategoryID));
          }
        }

        _appState.MarkupGroups = new StringCollection(markupGroups);
        _appState.Extent = MarkupManager.GetExtent(_appState.MarkupGroups.Cast<String>().Select(o => Convert.ToInt32(o)).ToArray());
      }
    }

    // === zone ===

    if (launchParams.ContainsKey("zone"))
    {
      if (launchParams.ContainsKey("extent"))
      {
        ShowError("When providing a zone, an extent is not allowed");
      }

      if (launchParams.ContainsKey("centerx"))
      {
        ShowError("When providing a zone, a center X is not allowed");
      }

      if (launchParams.ContainsKey("centery"))
      {
        ShowError("When providing a zone, a center Y is not allowed");
      }

      if (launchParams.ContainsKey("centerlat"))
      {
        ShowError("When providing a zone, a center latitude is not allowed");
      }

      if (launchParams.ContainsKey("centerlon"))
      {
        ShowError("When providing a zone, a center longitude is not allowed");
      }

      Configuration.ZoneRow[] zones = zoneLevel != null ? zoneLevel.GetZoneRows() : new Configuration.ZoneRow[0];

      if (zones.Length == 0)
      {
        ShowError("A zone was specified but zones have not been configured for this application");
      }
      else if (!zones.Any(o => o.ZoneID == launchParams["zone"]))
      {
        ShowError(String.Format("Invalid zone '{0}' specified", launchParams["zone"]));
      }

      _appState.Extent = mapTab.GetZoneExtent(launchParams["zone"]);

      if (_appState.Extent.IsNull)
      {
        ShowError("Could not find the specified zone");
      }
      else
      {
        _appState.Extent.ScaleBy(1.2);
      }
    }

    // === extent ===

    if (launchParams.ContainsKey("extent"))
    {
      if (launchParams.ContainsKey("mapscale"))
      {
        ShowError("When providing an extent, a map scale is not allowed");
      }

      if (launchParams.ContainsKey("zoomlevel"))
      {
        ShowError("When providing an extent, a zoom level is not allowed");
      }

      if (launchParams.ContainsKey("centerx"))
      {
        ShowError("When providing an extent, a center X is not allowed");
      }

      if (launchParams.ContainsKey("centery"))
      {
        ShowError("When providing an extent, a center Y is not allowed");
      }

      if (launchParams.ContainsKey("centerlat"))
      {
        ShowError("When providing an extent, a center latitude is not allowed");
      }

      if (launchParams.ContainsKey("centerlon"))
      {
        ShowError("When providing an extent, a center longitude is not allowed");
      }

      if (launchParams.ContainsKey("scaleby"))
      {
        ShowError("When providing an extent, 'scale by' is not allowed");
      }

      try
      {
        string[] ext = launchParams["extent"].Split(',');

        double xmin = Convert.ToDouble(ext[0]);
        double ymin = Convert.ToDouble(ext[1]);
        double xmax = Convert.ToDouble(ext[2]);
        double ymax = Convert.ToDouble(ext[3]);

        _appState.Extent = new Envelope(new Coordinate(xmin, ymin),  new Coordinate(xmax, ymax));
      }
      catch
      {
        ShowError("Invalid extent specified");
      }
    }

    // === mapscale ===

    if (launchParams.ContainsKey("mapscale"))
    {
      if (launchParams.ContainsKey("zoomlevel"))
      {
        ShowError("When providing a map scale, a zoom level is not allowed");
      }

      if (launchParams.ContainsKey("scaleby"))
      {
        ShowError("When providing a map scale, 'scale by' is not allowed");
      }

      try
      {
        double mapScale = Convert.ToDouble(launchParams["mapscale"]);

        if (mapScale <= 0)
        {
          throw new Exception();
        }
      }
      catch
      {
        ShowError("Invalid map scale specified");
      }

      // NOTE:  The map scale is passed to the viewer as a JavaScript variable, and not through AppState,
      // because it depends to the size of the map control.  It is passed to directly to the printable map
      // via AppState below.
    }

    // === zoomlevel ===

    if (launchParams.ContainsKey("zoomlevel"))
    {
      if (launchParams.ContainsKey("scaleby"))
      {
        ShowError("When providing a zoom level, 'scale by' is not allowed");
      }

      double level = 1;

      try
      {
        level = Convert.ToDouble(launchParams["zoomlevel"]);
      }
      catch
      {
        ShowError("Invalid zoom level specified");
      }

      Envelope extent = application.GetFullExtentEnvelope();
      extent.Translate(_appState.Extent.Centre.X - extent.Centre.X, _appState.Extent.Centre.Y - extent.Centre.Y);
      extent.ScaleBy(1 / Math.Pow(1.414213562373095, level - 1));
      _appState.Extent = extent;
    }

    // === centerx ===

    if (launchParams.ContainsKey("centerx"))
    {
      if (launchParams.ContainsKey("scaleby"))
      {
        ShowError("When providing center X, 'scale by' is not allowed");
      }

      if (launchParams.ContainsKey("centerlat"))
      {
        ShowError("When providing center X, a center latitude is not allowed");
      }

      if (launchParams.ContainsKey("centerlon"))
      {
        ShowError("When providing center X, a center longitude is not allowed");
      }

      double x = 0;

      try
      {
        x = Convert.ToDouble(launchParams["centerx"]);
      }
      catch
      {
        ShowError("Invalid center X specified");
      }

      double dx = _appState.Extent.Width / 2;
      _appState.Extent = new Envelope( new Coordinate(x - dx, _appState.Extent.MinY),  new Coordinate(x + dx, _appState.Extent.MaxY));
    }

    // === centery ===

    if (launchParams.ContainsKey("centery"))
    {
      if (launchParams.ContainsKey("scaleby"))
      {
        ShowError("When providing center Y, 'scale by' is not allowed");
      }

      if (launchParams.ContainsKey("centerlat"))
      {
        ShowError("When providing center Y, a center latitude is not allowed");
      }

      if (launchParams.ContainsKey("centerlon"))
      {
        ShowError("When providing center Y, a center longitude is not allowed");
      }

      double y = 0;

      try
      {
        y = Convert.ToDouble(launchParams["centery"]);
      }
      catch
      {
        ShowError("Invalid center Y specified");
      }

      double dy = _appState.Extent.Height / 2;
      _appState.Extent = new Envelope( new Coordinate(_appState.Extent.MinX, y - dy),  new Coordinate(_appState.Extent.MaxX, y + dy));
    }

    // === centerlat ===

    if (launchParams.ContainsKey("centerlat") || launchParams.ContainsKey("centerlat"))
    {
      if (!launchParams.ContainsKey("centerlon"))
      {
        ShowError("When providing center latitude, a center longitude must also be provided");
      }

      if (!launchParams.ContainsKey("centerlat"))
      {
        ShowError("When providing center longitude, a center latitude must also be provided");
      }

      if (launchParams.ContainsKey("scaleby"))
      {
        ShowError("When providing center latitude/longitude, 'scale by' is not allowed");
      }

      double lat = 0;
      double lon = 0;

      try
      {
        lat = Convert.ToDouble(launchParams["centerlat"]);
      }
      catch
      {
        ShowError("Invalid center latitude specified");
      }

      try
      {
        lon = Convert.ToDouble(launchParams["centerlon"]);
      }
      catch
      {
        ShowError("Invalid center longitude specified");
      }

      double x;
      double y;

      AppSettings.CoordinateSystem.ToProjected(lon, lat, out x, out y);

      if (AppSettings.MapUnits == "feet")
      {
        x *= Constants.FeetPerMeter;
        y *= Constants.FeetPerMeter;
      }

      double dx = _appState.Extent.Width / 2;
      double dy = _appState.Extent.Height / 2;

      _appState.Extent = new Envelope( new Coordinate(x - dx, y - dy),  new Coordinate(x + dx, y + dy));
    }

    // === scaleby ===

    if (launchParams.ContainsKey("scaleby"))
    {
      if (_appState.TargetIds.Count == 0 && _appState.SelectionIds.Count == 0 && _appState.MarkupGroups.Count == 0 && !launchParams.ContainsKey("zone"))
      {
        ShowError("Target IDs, selection IDs, a markup group or a zone must be provided when 'scale by' is specified");
      }

      double scaleBy = Double.NaN;

      try
      {
        scaleBy = Convert.ToDouble(launchParams["scaleby"]);
      }
      catch { }

      if (scaleBy == Double.NaN || scaleBy <= 0)
      {
        ShowError("Invalid 'scale by' value specified, must be greater than zero");
      }

      _appState.Extent.ScaleBy(scaleBy / 1.2);
    }

    // === tool ==

    if (launchParams.ContainsKey("tool") && Page.FindControl("opt" + launchParams["tool"], false) == null)
    {
      ShowError("Unknown tool specified");
    }

    if (launchParams.ContainsKey("markcenter"))
    {
      string label = launchParams["markcenter"];
      
      Coordinate center = _appState.Extent.Centre;
      string point = String.Format("POINT({0} {1})", center.X, center.Y);
      Markup markup = new Markup(point, "#000000", 1);

      if (label != "1")
      {
        markup.Text = label;
      }

      _appState.Markup.Add(markup);
    }

    // === printtemplate and printtitle ===

    string templateID = null;
    string title = "";

    if (launchParams.ContainsKey("printtemplate"))
    {
      templateID = launchParams["printtemplate"];
    }

    if (launchParams.ContainsKey("printtitle"))
    {
      title = launchParams["printtitle"];
    }

    if (!String.IsNullOrEmpty(title) && templateID == null)
    {
      ShowError("When providing a print title, a print template must also be specified");
    }

    if (templateID != null)
    {
      Configuration.PrintTemplateRow printTemplate = _config.PrintTemplate.FindByTemplateID(templateID);

      // the PrintTemplate must exist

      if (printTemplate == null)
      {
        ShowError("Print template '" + templateID + "' does not exist");
      }

      if (!(!printTemplate.IsAlwaysAvailableNull() && printTemplate.AlwaysAvailable == 1))
      {
        string filter = "ApplicationID = '" + application.ApplicationID + "' and TemplateID = '" + templateID + "'";

        // the Application must contain the PrintTemplate

        if (_config.ApplicationPrintTemplate.Select(filter).Length == 0)
        {
          ShowError("Application '" + application.ApplicationID + "' does not contain print template '" + templateID + "'");
        }
      }

      // set the map scale if specified (a 1 inch [96 pixel] square window is assumed)

      if (launchParams.ContainsKey("mapscale"))
      {
        _appState.Extent.ScaleBy(Convert.ToDouble(launchParams["mapscale"]) / _appState.Extent.Width);
      }

      PdfMap pdfMap = new PdfMap(_appState, templateID, new List<String>(new string[] { title }), PreserveMode.Scale, 96);
      pdfMap.Write(Response);
      Response.End();
    }
  }