/// <summary>
/// Analyzes raster file, displaying possible open strategies
/// </summary>
/// <param name="filename">
/// The path.
/// </param>
/// <param name="theForm">
/// The the Form.
/// </param>
/// <returns>
/// True on success
/// </returns>
private static bool AnalyzeFiles(string filename, Form1 theForm)
{
error = false;
// running check for all files with such extensions
var manager = new FileManager();
var count = 0;
// getting list of extension for images and grids
var img = new Image();
var filter = img.CdlgFilter.Replace("*.", string.Empty);
var dict = filter.Split(new[] { '|' }).ToDictionary(item => item);
var grid = new Grid();
filter = grid.CdlgFilter.Replace("*.", string.Empty);
var dict2 = filter.Split(new[] { '|' }).ToDictionary(item => item);
dict = dict.Keys.Union(dict2.Keys).ToDictionary(item => item);
var notSupportedExtensions = new HashSet <string>();
if (File.Exists(filename))
{
var extension = Path.GetExtension(filename);
if (extension != null)
{
var ext = extension.Substring(1).ToLower();
if (dict.ContainsKey(ext))
{
Write(string.Format("{0}. Filename: {1}", count++, Path.GetFileName(filename)));
Write(string.Format("Is supported: {0}", manager.IsSupported[filename]));
Write(string.Format("Is RGB image: {0}", manager.IsRgbImage[filename]));
Write(string.Format("Is grid: {0}", manager.IsGrid[filename]));
Write(string.Format("DEFAULT OPEN STRATEGY: {0}", manager.OpenStrategy[filename]));
Write(
string.Format(
"Can open as RGB image: {0}",
manager.CanOpenAs[filename, tkFileOpenStrategy.fosRgbImage]));
Write(
string.Format(
"Can open as direct grid: {0}",
manager.CanOpenAs[filename, tkFileOpenStrategy.fosDirectGrid]));
Write(
string.Format(
"Can open as proxy grid: {0}",
manager.CanOpenAs[filename, tkFileOpenStrategy.fosProxyForGrid]));
Write(string.Format("------------------------------------------"));
Write(string.Format(string.Empty));
// TODO: try to open with these strategies
var rst = manager.OpenRaster(filename, tkFileOpenStrategy.fosAutoDetect, theForm);
if (rst != null)
{
MyAxMap.Clear();
MyAxMap.Tiles.Visible = false;
if (MyAxMap.AddLayer(rst, true) == -1)
{
Error("Cannot add the raster file to the map");
}
}
else
{
Error("Cannot load the raster file");
}
}
else
{
if (!notSupportedExtensions.Contains(ext))
{
notSupportedExtensions.Add(ext);
}
}
}
}
else
{
Error(filename + " does not exists.");
}
if (notSupportedExtensions.Any())
{
Write("The following extensions, are among common dialog filters:");
foreach (var extension in notSupportedExtensions.ToList())
{
Write(extension);
}
}
return(!error);
}