/// <summary>
/// Click event handler of the addMSSQLSpatialLayerToolStripMenuItem control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void addMSSQLSpatialLayerToolStripMenuItem_Click(object sender, EventArgs e)
{
TreeNode source = CurrentTree.SelectedNode;
if (source != null && source.Tag != null)
RaiseItemSelect((MapObjectHolder)source.Tag);
int numlayers = map.numlayers;
SqlConnectionDialog form = new SqlConnectionDialog();
if (form.ShowDialog(this) == DialogResult.OK)
{
layerObj layer = null;
try
{
// trying to open the layer
MapUtils.TestMSSQLConnection(form.GetConnectionString(), form.GetDataString());
layer = CreateNewLayer();
layer.connectiontype = MS_CONNECTION_TYPE.MS_PLUGIN;
layer.plugin_library = layer.plugin_library_original = "msplugin_mssql2008.dll";
layer.connection = form.GetConnectionString();
layer.data = form.GetDataString();
switch (form.GeometryType)
{
case "Point":
case "MultiPoint":
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
break;
case "LineString":
case "MultiLineString":
layer.type = MS_LAYER_TYPE.MS_LAYER_LINE;
break;
case "Polygon":
case "MultiPolygon":
layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
break;
default:
layer.type = MS_LAYER_TYPE.MS_LAYER_LINE;
break;
}
MapUtils.CreateRandomClass(layer);
MapUtils.InitializeDefaultLabel(layer);
layer.name = MapUtils.GetUniqueLayerName(map, form.TableName, 0);
string projName;
string proj4text;
int epsg;
if (form.GetProj4Text() != null)
{
projName = MapUtils.FindProjection(form.GetProj4Text(), out proj4text, out epsg);
layer.setProjection(form.GetProj4Text());
layer.setMetaData("coordsys_name", projName);
}
else if (form.GetSRText() != null && form.GetSRText() != "")
{
SpatialReference srs = new SpatialReference(form.GetSRText());
string proj4;
srs.ExportToProj4(out proj4);
if (proj4 != null || proj4 != "")
{
projName = MapUtils.FindProjection(proj4, out proj4text, out epsg);
//Steph: looks like there was a copy and paste error, I have replaced form.GetProj4Text() with proj4text
layer.setProjection(proj4text);
layer.setMetaData("coordsys_name", projName);
}
}
else
layer.setProjection("AUTO");
layer.status = mapscript.MS_ON;
// setting up the selected layer
selected = new MapObjectHolder(layer, target.GetParent());
}
catch (Exception ex)
{
MessageBox.Show("Unable to open layer, " + ex.Message, "MapManager", MessageBoxButtons.OK, MessageBoxIcon.Error);
if (layer != null)
{
if (layer.map != null)
layer.map.removeLayer(layer.index);
layer = null;
}
return;
}
// if this is the first layer or the map projection hasn't been set zoom to this extent
if (map.numlayers == 1 || map.getProjection().Trim().Length == 0)
{
ZoomToLayerExtent(layer);
if (InitialExtentSet != null)
InitialExtentSet(this, null);
// setting the projection of the map according to the layer projection
string proj = layer.getProjection().Trim();
if (proj.Length > 0 && proj != "+AUTO")
{
map.setProjection(proj);
// setting up the default unit
if (proj.Contains("+proj=longlat"))
map.units = MS_UNITS.MS_DD;
else
map.units = MS_UNITS.MS_METERS;
}
}
if (target != null)
target.RaisePropertyChanged(this);
RefreshView();
TreeNode src = CurrentTree.SelectedNode;
if (src != null && src.Tag != null)
RaiseItemSelect((MapObjectHolder)src.Tag);
UpdateToolbar();
}
}