private void MainForm_DragDrop(object sender, DragEventArgs e)
{
string[] draggedPaths = (string[])e.Data.GetData(DataFormats.FileDrop);
if ((draggedPaths != null) && (draggedPaths.Length > 0))
{
filesWithoutIndex.Clear();
addedFiles.Clear();
foreach (string draggedPath in draggedPaths)
{
if (draggedPath.EndsWith(".shp", StringComparison.OrdinalIgnoreCase) && File.Exists(draggedPath))
{
AddShapeFileFeatureLayers(new string[] { draggedPath });
}
else if (ExplorerHelper.IsRasterLayerFile(draggedPath) && File.Exists(draggedPath))
{
AddRasterLayers(new string[] { draggedPath });
}
else if (Directory.Exists(draggedPath))
{
AddLayersByFolder(draggedPath);
}
}
if (filesWithoutIndex.Count > 0)
{
CancelAddingLayer();
}
SetCurrentExtent();
themeView.SetupItems();
DrawImage();
}
}
private void AddLayersByFolder(string folderName)
{
string[] fileNames = Directory.GetFiles(folderName, "*.*", SearchOption.AllDirectories);
Collection <string> rasterFilenames = new Collection <string>();
Collection <string> featureFilenames = new Collection <string>();
foreach (string filename in fileNames)
{
if (ExplorerHelper.IsRasterLayerFile(filename))
{
rasterFilenames.Add(filename);
}
else if (filename.ToUpperInvariant().Contains(".SHP"))
{
featureFilenames.Add(filename);
}
}
AddShapeFileFeatureLayers(featureFilenames);
AddRasterLayers(rasterFilenames);
}
// use OpenFileDialog
private void AddLayersByOpenFileDialog()
{
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
filesWithoutIndex.Clear();
addedFiles.Clear();
Collection <string> rasterFilenames = new Collection <string>();
Collection <string> featureFilenames = new Collection <string>();
foreach (string filename in openFileDialog.FileNames)
{
if (ExplorerHelper.IsRasterLayerFile(filename))
{
rasterFilenames.Add(filename);
}
else
{
featureFilenames.Add(filename);
}
}
AddShapeFileFeatureLayers(featureFilenames);
AddRasterLayers(rasterFilenames);
if (filesWithoutIndex.Count > 0)
{
CancelAddingLayer();
}
SetCurrentExtent();
themeView.SetupItems();
DrawImage();
}
}