/// <summary>
/// subItem has a path that needs to be parsed (from the back) in order to build the
/// directory tree. Only the top node of the directory tree (at topNodeName) will be
/// returned and then added to the root.
/// </summary>
/// <param name="topNodeName">top directory where all data is located</param>
/// <param name="subItem">Item to be inserted at the end of the branch</param>
/// <returns>top node that needs to be added to the root 'data folder'</returns>
private ProDataSubItem GetParentFolder(string topNodeName, ProDataSubItem subItem)
{
var parts = topNodeName.Split(new char [] { '/', '\\' });
var rootPartsCnt = parts.Length;
parts = subItem.Path.Split(new char[] { '/', '\\' });
var topNode = subItem;
for (int idx = parts.Length - 2; idx >= rootPartsCnt; idx--)
{
var completeFolderPath = string.Empty;
for (int iidx = 0; iidx <= idx; iidx++)
{
if (iidx > 0)
{
completeFolderPath += @"\";
}
completeFolderPath += parts[iidx];
}
var uniquePath = System.IO.Path.Combine(Path, completeFolderPath);
topNode = new ProDataSubItem(parts[idx], uniquePath, this.TypeID,
null, ProDataSubItem.EnumSubItemType.DirType, new List <ProDataSubItem> {
topNode
});
}
return(topNode);
}
//TODO: Fetch is required if <b>IsContainer</b> = <b>true</b>
public override void Fetch()
{
// Retrieve your child items
// child items must also derive from CustomItemBase
// the CustomDataLink file contains line items with link to other folder where our customdata
// is stored
var alreadyProcessedPath = new List <string>();
var children = new List <ProDataSubItem>();
var dataFolders = System.IO.File.ReadAllLines(this.Path);
for (var idx = 0; idx < dataFolders.Length; idx++)
{
dataFolders[idx] = dataFolders[idx].TrimEnd(new char [] { '\\', '/' });
}
foreach (var ext in FileExtensions)
{
foreach (var dataFolder in dataFolders)
{
if (string.IsNullOrEmpty(dataFolder))
{
continue;
}
var files = System.IO.Directory.GetFiles(dataFolder, $@"*{ext}", System.IO.SearchOption.AllDirectories);
foreach (var fullName in files)
{
var fileName = System.IO.Path.GetFileNameWithoutExtension(fullName);
var fileExt = System.IO.Path.GetExtension(fullName).ToLower();
switch (fileExt)
{
case ".gpx":
{
var uniquePath = fullName;
var child = new ProDataSubItem(fileName, uniquePath, this.TypeID,
null, ProDataSubItem.EnumSubItemType.GpxType);
children.Add(GetParentFolder(dataFolder, child));
}
break;
case ".jpg":
{
var ximgInfo = new XimgInfo(fullName);
System.Diagnostics.Debug.WriteLine($@"Image {ximgInfo.IsImage}");
if (!ximgInfo.IsImage || !ximgInfo.IsGpsEnabled)
{
continue;
}
//// Get the PropertyItems property from image.
// the path has to be 'unique' for each entry otherwise the UI
// will not treat the enumeration as a real enumeration
// However in this case we only have one single item
var parentFolder = System.IO.Path.GetDirectoryName(fullName);
if (dataFolder.Equals(parentFolder))
{
System.Diagnostics.Debug.WriteLine($@"Lat: {ximgInfo.Latitude} Lon: {ximgInfo.Longitude} Alt: {ximgInfo.Altitude}");
var uniquePath = fullName;
var child = new ProDataSubItem(fileName, uniquePath, this.TypeID, null, ProDataSubItem.EnumSubItemType.ImgType);
children.Add(GetParentFolder(dataFolder, child));
}
else
{
// directory full of photos
if (alreadyProcessedPath.Contains(parentFolder))
{
// already processed this parent folder
}
else
{
alreadyProcessedPath.Add(parentFolder);
var jpgChildren = new List <ProDataSubItem>();
var jpgFiles = System.IO.Directory.GetFiles(parentFolder, $@"*{ext}", System.IO.SearchOption.TopDirectoryOnly);
foreach (var jpgFullName in jpgFiles)
{
var xInfo = new XimgInfo(jpgFullName);
System.Diagnostics.Debug.WriteLine($@"Image {xInfo.IsImage}");
if (!xInfo.IsImage || !xInfo.IsGpsEnabled)
{
continue;
}
jpgChildren.Add(new ProDataSubItem(jpgFullName, jpgFullName, this.TypeID, null, ProDataSubItem.EnumSubItemType.ImgType));
}
var uniquePath = System.IO.Path.Combine(parentFolder, $@"{System.IO.Path.GetFileName(parentFolder)} Jpeg Images");
var name = System.IO.Path.GetFileName(uniquePath);
var rootNode = new ProDataSubItem(name, uniquePath, this.TypeID, null, ProDataSubItem.EnumSubItemType.ImgDirType, jpgChildren);
children.Add(GetParentFolder(dataFolder, rootNode));
}
}
//var img = System.Drawing.Image.FromStream (fs);
//var propItems = img.PropertyItems;
//foreach (var propItem in propItems)
//{
// System.Diagnostics.Debug.WriteLine($@"iD: 0x{propItem.Id.ToString("x")}");
//}
//// see: https://www.exiv2.org/tags.html
//System.Diagnostics.Debug.WriteLine($@"Image Aspect = {img.Width} x {img.Height}");
//System.Diagnostics.Debug.WriteLine($@"Make = {ReadImageProperty(img, 0x110)}");
//System.Diagnostics.Debug.WriteLine($@"Date = {ReadImageProperty(img, 0x0132)}");
//var gps = ImageMetadataReader.ReadMetadata(fs).OfType<GpsDirectory>().FirstOrDefault();
//var location = gps.GetGeoLocation();
//System.Diagnostics.Debug.WriteLine($@"Location: {location.Longitude} {location.Latitude}");
}
break;
}
}
}
}
this.AddRangeToChildren(children);
}
