//Load colors from Databse method
public void LoadColors()
{
SQLServer_DrawAppDataContext ctx = new SQLServer_DrawAppDataContext();
try
{
var list = from c in ctx.TblColors
select new SavedColor
{
R = (byte)c.Red,
G = (byte)c.Green,
B = (byte)c.Blue
};
foreach (var item in list)
{
Color color = RecreateAColor(item.R, item.G, item.B);
Rectangle colorRec = new Rectangle
{
Height = 20,
Fill = new SolidColorBrush(color)
};
Window.lb_ColourTemplates.Items.Add(colorRec);
}
}
catch (Exception ex)
{
MessageBox.Show("Error " + ex.Message);
}
}
//Load saved Canvasses to DataGrid
public void LoadCanvasses()
{
SQLServer_DrawAppDataContext ctx = new SQLServer_DrawAppDataContext();
var list = from o in ctx.TblOverviews
select o;
MainWindow.dg_DrawingOverview.ItemsSource = list;
}
//Delete canvas from overview
public void DeleteCanvas(string name)
{
SQLServer_DrawAppDataContext ctx = new SQLServer_DrawAppDataContext();
var deleteCanvas = (from o in ctx.TblOverviews
where o.Name == name
select o).FirstOrDefault();
ctx.TblOverviews.DeleteOnSubmit(deleteCanvas);
ctx.SubmitChanges();
LoadCanvasses();
}
//Loads shapes to ListBox from DataBase
public void LoadShapes()
{
SQLServer_DrawAppDataContext ctx = new SQLServer_DrawAppDataContext();
ColorManager = new ColorManager(Window);
try
{
var list = from s in ctx.TblShapes
from c in ctx.TblColors
where s.Color_ID == c.Color_ID
select new SavedShape
{
W = (int)s.Width,
H = (int)s.Height,
Shape = s.Shape,
R = (byte)c.Red,
G = (byte)c.Green,
B = (byte)c.Blue,
Shape_ID = s.Shape_ID
};
foreach (var item in list)
{
StackPanel stack = new StackPanel
{
Orientation = Orientation.Horizontal
};
Label colorLabel = new Label
{
Width = 40,
Height = 30
};
Color color = ColorManager.RecreateAColor(item.R, item.G, item.B);
colorLabel.Background = new SolidColorBrush(color);
Label descriptionLabel = new Label
{
Content = item.ToString(item.Shape)
};
stack.Children.Add(colorLabel);
stack.Children.Add(descriptionLabel);
stack.Tag = item;
Window.lb_ShapeTemplates.Items.Add(stack);
}
}
catch (Exception ex)
{
MessageBox.Show("Error " + ex.Message);
}
}
//Write a new shape to DB
public void WriteShapeToDB(string name, byte r, byte g, byte b, int w, int h)
{
SQLServer_DrawAppDataContext ctx = new SQLServer_DrawAppDataContext();
TblColor c = new TblColor()
{
Red = r,
Green = g,
Blue = b
};
TblColor savedColor = ctx.TblColors.Where(sc => sc.Red == c.Red && sc.Blue == c.Blue && sc.Green == c.Green).FirstOrDefault();
if (savedColor == null)
{
ctx.TblColors.InsertOnSubmit(c);
ctx.SubmitChanges();
ColorManager.LoadColors();
}
else
{
c.Color_ID = savedColor.Color_ID;
}
TblShape s = new TblShape()
{
Width = w,
Height = h,
Shape = name,
Color_ID = c.Color_ID
};
TblShape savedShape = ctx.TblShapes.Where(ss => ss.Color_ID == s.Color_ID && ss.Width == s.Width && ss.Height == s.Height && ss.Shape == s.Shape).FirstOrDefault();
if (savedShape == null)
{
ctx.TblShapes.InsertOnSubmit(s);
ctx.SubmitChanges();
}
else
{
MessageBox.Show("This shape already exists");
}
}
//Method to write color to database
public void WriteColorToDB(byte r, byte g, byte b)
{
SQLServer_DrawAppDataContext ctx = new SQLServer_DrawAppDataContext();
TblColor c = new TblColor()
{
Red = r,
Green = g,
Blue = b
};
TblColor savedColor = ctx.TblColors.Where(sc => sc.Red == c.Red && sc.Blue == c.Blue && sc.Green == c.Green).FirstOrDefault();
if (savedColor == null)
{
ctx.TblColors.InsertOnSubmit(c);
ctx.SubmitChanges();
}
else
{
MessageBox.Show("This color already exists.");
}
}
//Click event to draw the chosen shape on canvas
private void cvs_Drawing_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
try
{
Shape shapeDrawing = CanvasManager.ShapeManager.CreateNewShape();
Point location = e.GetPosition(cvs_Drawing);
Canvas.SetTop(shapeDrawing, location.Y);
Canvas.SetLeft(shapeDrawing, location.X);
cvs_Drawing.Children.Add(shapeDrawing);
SQLServer_DrawAppDataContext ctx = new SQLServer_DrawAppDataContext();
TblColor c = new TblColor()
{
Red = ((SolidColorBrush)shapeDrawing.Fill).Color.R,
Green = ((SolidColorBrush)shapeDrawing.Fill).Color.G,
Blue = ((SolidColorBrush)shapeDrawing.Fill).Color.B
};
var savedColor = ctx.TblColors.Where(sc => sc.Red == c.Red && sc.Blue == c.Blue && sc.Green == c.Green).FirstOrDefault();
if (savedColor == null)
{
ctx.TblColors.InsertOnSubmit(c);
ctx.SubmitChanges();
}
else
{
c.Color_ID = savedColor.Color_ID;
}
TblShape s = new TblShape()
{
Shape = CanvasManager.ShapeManager.SetFinalShapeName(shapeDrawing, shapeDrawing.Width, shapeDrawing.Height),
Width = (float)shapeDrawing.Width,
Height = (float)shapeDrawing.Height,
Color_ID = c.Color_ID,
};
var savedShape = ctx.TblShapes.Where(ss => ss.Color_ID == s.Color_ID && ss.Width == s.Width && ss.Height == s.Height && ss.Shape == s.Shape).FirstOrDefault();
if (savedShape == null)
{
ctx.TblShapes.InsertOnSubmit(s);
ctx.SubmitChanges();
}
else
{
s.Shape_ID = savedShape.Shape_ID;
}
var canvasID = ctx.TblOverviews.Where(canvas => canvas.Name == this.Title).FirstOrDefault();
if (canvasID != null)
{
TblPosition position = new TblPosition()
{
Shape_ID = s.Shape_ID,
Drawing_ID = canvasID.Drawing_ID,
X = Canvas.GetLeft(shapeDrawing),
Y = Canvas.GetTop(shapeDrawing)
};
ctx.TblPositions.InsertOnSubmit(position);
}
ctx.SubmitChanges();
}
catch (FormatException)
{
MessageBox.Show("Please provide necessary values or select a shape from the selection window");
}
catch (Exception ex)
{
MessageBox.Show("Error occured - " + ex);
}
}