// GET: Home
public ActionResult Index()
{
MgUserInformation user = new MgUserInformation("Anonymous", "");
MgSiteConnection conn = new MgSiteConnection();
conn.Open(user);
MgResourceService resSvc = (MgResourceService)conn.CreateService(MgServiceType.ResourceService);
var vm = new HomeViewModel()
{
HasSampleResources = true,
AjaxLayout = AJAX_LAYOUT,
FlexLayout = FLEX_LAYOUT
};
MgResourceIdentifier mdfId = new MgResourceIdentifier("Library://Samples/Sheboygan/Maps/Sheboygan.MapDefinition");
MgResourceIdentifier sample1 = new MgResourceIdentifier(vm.AjaxLayout);
MgResourceIdentifier sample2 = new MgResourceIdentifier(vm.FlexLayout);
vm.HasSampleResources = resSvc.ResourceExists(mdfId) &&
resSvc.ResourceExists(sample1) &&
resSvc.ResourceExists(sample2);
return(View(vm));
}
private void button1_Click(object sender, EventArgs e)
{
try
{
var fact = new MgdServiceFactory();
MgResourceService resSvc = (MgResourceService)fact.CreateService(MgServiceType.ResourceService);
MgResourceIdentifier resId = new MgResourceIdentifier(textBox1.Text);
bool exists = resSvc.ResourceExists(resId);
MessageBox.Show("Exists: " + exists);
}
catch (MgException ex)
{
MessageBox.Show(ex.ToString(), "Error from MapGuide");
}
}
public static bool DataSourceExists(MgResourceService resourceSrvc, MgResourceIdentifier dataSourceId)
{
try
{
string MGServerVersion = ConfigurationManager.AppSettings["MGServerVersion"];
if (MGServerVersion == "2009")
{
MgByteReader cnt = resourceSrvc.GetResourceContent(dataSourceId);
cnt = null;
return true;
}
return resourceSrvc.ResourceExists(dataSourceId);
}
catch (MgResourceNotFoundException)
{
return false;
}
}
public RedlineLayer CreateRedlineLayer(CreateRedlineLayerParams param, out bool bAddedToMap)
{
bAddedToMap = false;
MgResourceIdentifier fsId = GenerateRedlineFeatureSourceId(param);
string className = null;
string providerName = null;
if (_resSvc.ResourceExists(fsId))
{
MgFeatureSchemaCollection schemas = _featSvc.DescribeSchema(fsId, string.Empty, null);
MgFeatureSchema schema = schemas.GetItem(0);
MgClassDefinitionCollection classes = schema.GetClasses();
MgClassDefinition cls = classes.GetItem(0);
className = schema.Name + ":" + cls.Name;
}
else
{
MgFeatureSchema schema = RedlineSchemaFactory.CreateSchema(param.GeometryTypes);
providerName = "OSGeo.SDF";
if (param.Format == RedlineDataStoreFormat.SHP)
{
providerName = "OSGeo.SHP";
}
else if (param.Format == RedlineDataStoreFormat.SQLite)
{
providerName = "OSGeo.SQLite";
}
MgFileFeatureSourceParams createParams = new MgFileFeatureSourceParams(providerName, RedlineSchemaFactory.SPATIAL_CONTEXT, _map.GetMapSRS(), schema);
_featSvc.CreateFeatureSource(fsId, createParams);
//HACK: SQLite leaky abstraction (hard-coded schema name), SHP probably has some leaks of its own, so we can't assume MarkupSchema:Markup
//as the class name so re-interrogate our schema to figure it out
MgFeatureSchemaCollection schemas = _featSvc.DescribeSchema(fsId, string.Empty, null);
schema = schemas.GetItem(0);
MgClassDefinitionCollection classes = schema.GetClasses();
MgClassDefinition cls = classes.GetItem(0);
className = schema.Name + ":" + cls.Name;
}
MgResourceIdentifier ldfId = GenerateRedlineLayerDefinitionId(param);
if (!_resSvc.ResourceExists(ldfId))
{
string layerDefContent = CreateRedlineLayerDefinitionContent(fsId, className, param.Style, param.StyleType);
byte[] bytes = Encoding.UTF8.GetBytes(layerDefContent);
MgByteSource byteSource = new MgByteSource(bytes, bytes.Length);
MgByteReader byteReader = byteSource.GetReader();
_resSvc.SetResource(ldfId, byteReader, null);
}
if (param.AddToMap)
{
AddRedlineLayerToMap(ldfId);
bAddedToMap = true;
}
var layer = new RedlineLayer(ldfId.Name, fsId.ToString(), ldfId.ToString(), param.GeometryTypes, param.StyleType);
//If provider name was set, then we register this layer in the registry. Otherwise it means
//the layer already exists and by extension already registered
if (providerName != null)
{
_registry.AddRedlineLayer(layer, providerName);
}
return(layer);
}
private void Ensure()
{
if (_registryFsId == null)
{
_registryFsId = new MgResourceIdentifier("Session:" + _sessionID + "//MarkupRegistry.FeatureSource");
if (!_resSvc.ResourceExists(_registryFsId))
{
//Markup Registry Feature Source Schema
//
//Default
// MarkupRegistry
// ResourceId (String, Identity, Not Null)
// LayerDefintion (String, Not Null)
// Name (String, Not Null)
// FdoProvider (String, Not Null)
// GeometryTypes (Int, Not Null)
MgFeatureSchema schema = new MgFeatureSchema("Default", "");
MgClassDefinition cls = new MgClassDefinition();
cls.SetName("MarkupRegistry");
MgDataPropertyDefinition regId = new MgDataPropertyDefinition("ResourceId");
regId.SetDataType(MgPropertyType.String);
regId.SetLength(1024);
regId.SetNullable(false);
MgDataPropertyDefinition layerDefId = new MgDataPropertyDefinition("LayerDefinition");
layerDefId.SetDataType(MgPropertyType.String);
layerDefId.SetLength(1024);
layerDefId.SetNullable(false);
MgDataPropertyDefinition name = new MgDataPropertyDefinition("Name");
name.SetDataType(MgPropertyType.String);
name.SetLength(512);
name.SetNullable(false);
MgDataPropertyDefinition provider = new MgDataPropertyDefinition("FdoProvider");
provider.SetDataType(MgPropertyType.String);
provider.SetLength(512);
provider.SetNullable(false);
MgDataPropertyDefinition geomTypes = new MgDataPropertyDefinition("GeometryTypes");
geomTypes.SetDataType(MgPropertyType.Int32);
geomTypes.SetNullable(false);
MgDataPropertyDefinition styleType = new MgDataPropertyDefinition("StyleType");
styleType.SetDataType(MgPropertyType.Int32);
styleType.SetNullable(false);
MgPropertyDefinitionCollection dataProps = cls.GetProperties();
dataProps.Add(regId);
dataProps.Add(layerDefId);
dataProps.Add(name);
dataProps.Add(provider);
dataProps.Add(geomTypes);
dataProps.Add(styleType);
MgPropertyDefinitionCollection idProps = cls.GetIdentityProperties();
idProps.Add(regId);
MgClassDefinitionCollection classes = schema.GetClasses();
classes.Add(cls);
//No coordinate system required here because we're not storing spatial data
MgFileFeatureSourceParams createSdf = new MgFileFeatureSourceParams("OSGeo.SDF", "Default", "", schema);
_featSvc.CreateFeatureSource(_registryFsId, createSdf);
}
}
}
