void db_CloseEvent(object sender, EventArgs e)
{
try
{
this.gdDrawing.Visibility = System.Windows.Visibility.Collapsed;
Image img = this.currentDb.GetSnapshot();
Rectangle rec = this.gdBack.Children[0] as Rectangle;
img.Width = rec.ActualWidth;
img.Height = rec.ActualHeight;
DrawingboardData data = this.currentDb.GetModel();
this.AddToCache(this.currentDb.ID, data);
this.Add(img, this.currentDb.ID);
RenderTargetBitmap bitmapSource = img.Source as RenderTargetBitmap;
this.Save(data, bitmapSource);
if (this.CloseEvent != null)
{
this.CloseEvent(this, e);
}
}
catch (Exception ex)
{
}
}
public static DrawingboardData Load(string drawingboardId)
{
try
{
string text = "";
string fileDirectory = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, FileDirectory);
string fileName = System.IO.Path.Combine(fileDirectory, drawingboardId + ".txt");
if (System.IO.File.Exists(fileName))
{
using (var fs = new System.IO.FileStream(fileName, System.IO.FileMode.Open, System.IO.FileAccess.ReadWrite))
{
var reader = new System.IO.StreamReader(fs);
text = reader.ReadToEnd();
}
}
if (string.IsNullOrEmpty(text) == false)
{
DrawingboardData board = JsonHelper.Deserialize <DrawingboardData>(text);
return(board);
}
}
catch
{
return(null);
}
return(null);
}
internal DrawingboardData GetModel()
{
DrawingboardData data = new DrawingboardData();
var strokesData = StrokeBuilder.StrokesToData(inkCanvas.Strokes, new Size(inkCanvas.ActualWidth, inkCanvas.ActualHeight));
data.ID = this.ID;
data.Strokes = strokesData;
return(data);
}
private void AddToCache(string id, DrawingboardData data)
{
if (this.boards.ContainsKey(id))
{
this.boards[id] = data;
}
else
{
this.boards.Add(id, data);
}
}
void SaveContentInBackground(object o)
{
DrawingboardData data = o as DrawingboardData;
if (data != null)
{
bool result = StrokeBuilder.Save(data);
if (result)
{
}
}
}
void Save(DrawingboardData content, RenderTargetBitmap snapShotSource)
{
string fileName = content.ID;
string snapShotAddress = StrokeBuilder.GetSnapShotAddresss(fileName);
try
{
snapShotSource.Save(snapShotAddress);
Thread saveThread = new Thread(this.SaveContentInBackground);
saveThread.Start(content);
}
catch (Exception ex)
{
return;
}
}
public static bool Save(DrawingboardData drawingboard)
{
try
{
string text = JsonHelper.Serialize <DrawingboardData>(drawingboard);
string fileDirectory = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, FileDirectory);
System.IO.File.WriteAllText(System.IO.Path.Combine(fileDirectory, drawingboard.ID + ".txt"), text);
return(true);
}
catch
{
return(false);
}
}
private void Load()
{
if (this.isLoadFiles == false)
{
this.isLoadFiles = true;
string fileDirectory = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, StrokeBuilder.FileDirectory);
if (Directory.Exists(fileDirectory) == false)
{
Directory.CreateDirectory(fileDirectory);
}
string snapShotDirectory = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, StrokeBuilder.SnapshotDirectory);
if (Directory.Exists(snapShotDirectory) == false)
{
Directory.CreateDirectory(snapShotDirectory);
}
else
{
string[] files = Directory.GetFiles(snapShotDirectory);
IEnumerable <string> orderFiles = files.OrderBy(item => item);
char[] split = { '\\' };
foreach (string file in orderFiles)
{
string[] filepath = file.Split(split);
string fileName = filepath[filepath.Length - 1];
int index = fileName.IndexOf('.');
string fileId = fileName.Substring(0, index);
Image img = new Image();
img.SetImage(file, true);
DrawingboardData data = StrokeBuilder.Load(fileId);
if (data != null)
{
this.boards.Add(fileId, data);
this.Add(img, fileId);
}
}
}
}
}
internal void Load(DrawingboardData data)
{
this.ID = data.ID;
this.data = data;
}
