public GottenLayersLayerPluginEventArgs(IEnumerable <Layer> layers, GetLayersParameters parameters)
{
this.parameters = parameters;
this.layers = new Collection <Layer>();
foreach (var layer in layers)
{
this.layers.Add(layer);
}
}
protected virtual Collection <T> GetLayersCore <T>(GetLayersParameters getLayersParameters) where T : Layer
{
Collection <T> resultLayers = new Collection <T>();
LayerPlugin layerPlugin = GetLayerPlugins(typeof(T)).FirstOrDefault();
if (layerPlugin != null && layerPlugin.IsActive)
{
IEnumerable <T> layers = layerPlugin.GetLayers(getLayersParameters).OfType <T>();
foreach (T layer in layers)
{
resultLayers.Add(layer);
}
}
return(resultLayers);
}
public Collection <Layer> GetLayers(GetLayersParameters getLayersParameters)
{
if (getLayersParameters == null)
{
getLayersParameters = new GetLayersParameters();
}
GettingLayersLayerPluginEventArgs gettingLayersEventArgs = new GettingLayersLayerPluginEventArgs(getLayersParameters);
OnGettingLayers(gettingLayersEventArgs);
getLayersParameters = gettingLayersEventArgs.Parameters;
Collection <Layer> layers = GetLayersCore(getLayersParameters);
GottenLayersLayerPluginEventArgs gotLayersEventArgs = new GottenLayersLayerPluginEventArgs(layers, getLayersParameters);
OnGottenLayers(gotLayersEventArgs);
return(gotLayersEventArgs.Layers);
}
/// <summary>
/// This method creates layers instance.
/// In this method, it might popup a dialog to configuration.
/// For example, a ShapeFileFeatureLayer is based on a shapefile, we need popup an OpenFileDialog to choose a file.
/// Or MSSql layer needs a connection string to connect to the server, etc.
/// </summary>
/// <returns>A set of specific layers that created by this plugin.</returns>
protected virtual Collection <Layer> GetLayersCore(GetLayersParameters getLayersParameters)
{
if (!String.IsNullOrEmpty(ExtensionFilter) && (getLayersParameters == null || getLayersParameters.LayerUris.Count == 0))
{
if (openFileDialog == null)
{
openFileDialog = new OpenFileDialog();
openFileDialog.Multiselect = true;
openFileDialog.Filter = ExtensionFilter;
}
if (openFileDialog.ShowDialog().GetValueOrDefault())
{
foreach (string fileName in openFileDialog.FileNames)
{
getLayersParameters.LayerUris.Add(new Uri(fileName));
}
}
}
return(new Collection <Layer>());
}
private void ExportToShapeFile(Collection <Feature> resultFeatures, Collection <FeatureSourceColumn> columns, FeatureLayerPlugin sourceLayerPlugin, WellKnownType type)
{
int count = resultFeatures.Count;
if (count > 0)
{
FeatureLayerPlugin targetLayerPlugin = (FeatureLayerPlugin)GisEditor.LayerManager.GetLayerPlugins(typeof(ShapeFileFeatureLayer)).FirstOrDefault();
FeatureLayer resultLayer = null;
if (targetLayerPlugin != null)
{
GetLayersParameters getLayerParameters = new GetLayersParameters();
ConfigureFeatureLayerParameters parameters = targetLayerPlugin.GetCreateFeatureLayerParameters(columns);
if (parameters != null && sourceLayerPlugin != null)
{
bool needColumns = false;
Collection <string> tempColumns = new Collection <string>();
if (parameters.CustomData.ContainsKey("Columns"))
{
tempColumns = parameters.CustomData["Columns"] as Collection <string>;
}
else
{
needColumns = true;
}
var featureColumns = columns.Where(c => needColumns || tempColumns.Contains(c.ColumnName));
if (targetLayerPlugin.CanCreateFeatureLayerWithSourceColumns(sourceLayerPlugin))
{
foreach (var item in featureColumns)
{
FeatureSourceColumn column = new FeatureSourceColumn(item.ColumnName, item.TypeName, item.MaxLength);
if (column.TypeName.Equals("c", StringComparison.InvariantCultureIgnoreCase))
{
column.TypeName = "Character";
}
parameters.AddedColumns.Add(column);
}
}
else
{
var geoColumns = sourceLayerPlugin.GetIntermediateColumns(featureColumns);
foreach (var item in geoColumns)
{
if (item.TypeName.Equals("c", StringComparison.InvariantCultureIgnoreCase))
{
item.TypeName = "Character";
}
parameters.AddedColumns.Add(item);
}
}
parameters.WellKnownType = type;
//parameters.CustomData["SourceLayer"] = featureLayer;
getLayerParameters.LayerUris.Add(parameters.LayerUri);
foreach (var item in parameters.CustomData)
{
getLayerParameters.CustomData[item.Key] = item.Value;
}
Proj4Projection proj4 = new Proj4Projection();
proj4.InternalProjectionParametersString = parameters.Proj4ProjectionParametersString;
proj4.ExternalProjectionParametersString = GisEditor.ActiveMap.DisplayProjectionParameters;
proj4.SyncProjectionParametersString();
proj4.Open();
foreach (var item in resultFeatures)
{
Feature feature = proj4.ConvertToInternalProjection(item);
parameters.AddedFeatures.Add(feature);
}
if (parameters.MemoColumnConvertMode == MemoColumnConvertMode.ToCharacter)
{
foreach (var item in parameters.AddedColumns.Where(c => c.TypeName.Equals("Memo", StringComparison.InvariantCultureIgnoreCase)).ToList())
{
item.TypeName = "Character";
item.MaxLength = 254;
DbfColumn tmpDbfColumn = item as DbfColumn;
if (tmpDbfColumn != null)
{
tmpDbfColumn.ColumnType = DbfColumnType.Character;
tmpDbfColumn.Length = 254;
}
}
}
resultLayer = targetLayerPlugin.CreateFeatureLayer(parameters);
resultLayer.FeatureSource.Projection = proj4;
resultLayer = targetLayerPlugin.GetLayers(getLayerParameters).FirstOrDefault() as FeatureLayer;
}
}
if (resultLayer != null)
{
GisEditorMessageBox messageBox = new GisEditorMessageBox(MessageBoxButton.YesNo);
messageBox.Owner = Application.Current.MainWindow;
messageBox.WindowStartupLocation = WindowStartupLocation.CenterOwner;
messageBox.Title = GisEditor.LanguageManager.GetStringResource("NavigatePluginAddToMap");
messageBox.Message = GisEditor.LanguageManager.GetStringResource("DoYouWantToAddToMap");
messageBox.ErrorMessage = string.Empty;
if (messageBox.ShowDialog().Value)
{
GisEditor.ActiveMap.AddLayerToActiveOverlay(resultLayer);
GisEditor.ActiveMap.RefreshActiveOverlay();
RefreshArgs refreshArgs = new RefreshArgs(this, "LoadToMapCore");
InvokeRefreshPlugins(GisEditor.UIManager, refreshArgs);
GisEditor.ActiveMap.Refresh();
}
}
}
else
{
System.Windows.Forms.MessageBox.Show("There is no features to export.", "Export");
}
}
/// <summary>
/// Gets the layers core.
/// </summary>
/// <returns></returns>
protected virtual Collection <Layer> GetLayersCore()
{
Collection <Layer> resultsLayers = new Collection <Layer>();
var supportedLayerProviders = GetLayerPlugins()
.Where(p => p.IsActive && !string.IsNullOrEmpty(p.ExtensionFilter)).ToList();
int count = supportedLayerProviders.Count();
if (count > 0)
{
StringBuilder filterStringBuilder = new StringBuilder();
StringBuilder allFilesFilterStringBuilder = new StringBuilder();
foreach (var fileLayerPlugin in supportedLayerProviders)
{
string[] array = fileLayerPlugin.ExtensionFilter.Split('|');
if (array != null && array.Length >= 2)
{
allFilesFilterStringBuilder.Append(array[1] + ";");
}
}
filterStringBuilder.Append("All Supported Formats|" + allFilesFilterStringBuilder.ToString());
foreach (var fileLayerPlugin in supportedLayerProviders)
{
filterStringBuilder.Append("|" + fileLayerPlugin.ExtensionFilter);
}
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Multiselect = true;
openFileDialog.Filter = filterStringBuilder.ToString();
if (openFileDialog.ShowDialog().GetValueOrDefault())
{
var groupedFileDataItems = openFileDialog.FileNames.GroupBy(item => Path.GetExtension(item));
foreach (var fileDataItems in groupedFileDataItems)
{
var extension = fileDataItems.Key.ToUpperInvariant();
var matchingLayerPlugin = GetActiveLayerPlugins()
.FirstOrDefault(tmpPlugin => tmpPlugin.ExtensionFilter.ToUpperInvariant()
.Contains(extension));
if (matchingLayerPlugin != null)
{
var getLayersParameters = new GetLayersParameters();
foreach (var item in fileDataItems)
{
getLayersParameters.LayerUris.Add(new Uri(item));
}
var layers = matchingLayerPlugin.GetLayers(getLayersParameters);
foreach (var layer in layers)
{
resultsLayers.Add(layer);
}
}
else
{
System.Windows.Forms.MessageBox.Show(GisEditor.LanguageManager.GetStringResource("DataRepositoryCannotFindLayerProviderWarningLabel"), GisEditor.LanguageManager.GetStringResource("MessageBoxWarningTitle"), System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
}
}
}
}
else
{
System.Windows.Forms.MessageBox.Show(GisEditor.LanguageManager.GetStringResource("LayerPluginManagerNotFoundText"), GisEditor.LanguageManager.GetStringResource("LayerPluginManagerNotFoundCaption"), System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Information);
}
return(resultsLayers);
}
public Collection <T> GetLayers <T>(GetLayersParameters getLayersParameters) where T : Layer
{
return(GetLayersCore <T>(getLayersParameters));
}
public GettingLayersLayerPluginEventArgs(GetLayersParameters parameters)
{
this.parameters = parameters;
}
