private void PanelDraw_MouseMove(object sender, MouseEventArgs e)
{
//Adding (X,Y) to the moving figure to the old coordinates
if (SelectedFigure != null && IsMoving)
{
SelectedFigure.Location = new Point(e.X - DeltaX, e.Y - DeltaY);
}
PanelDraw.Invalidate();
Application.DoEvents();
}
private void Delete_Click(object sender, EventArgs e)
{
//Delete selected figure
if (SelectedFigure != null)
{
FigureList.Remove(SelectedFigure);
}
SelectedFigure = null;
CalculateAreaPermiters();
PanelDraw.Invalidate();
}
private void Rotate_Click(object sender, EventArgs e)
{
if (SelectedFigure != null)
{
SelectedFigure.Rotate90();
}
else
{
Mode.Text = "You must Select Figure";
}
PanelDraw.Invalidate();
}
private void Clear_Click(object sender, EventArgs e)
{
FigureList.Clear();
CalculateAreaPermiters();
PanelDraw.Invalidate();
}
private void Edit_Click(object sender, EventArgs e)
{
IsEditing = true;
if (SelectedFigure != null)
{
if (SelectedFigure is Rectangle)
{
var f = new RectPerimeters(this);
f.ShowDialog();
if (CurrentFigure != null)
{
using (var graphics = PanelDraw.CreateGraphics())
{
CurrentFigure.Color = OriginalColor;
CurrentFigure.Location = SelectedFigure.Location;
CurrentFigure.Index = SelectedFigure.Index;
FigureList.Remove(SelectedFigure);
CurrentFigure.Draw(graphics);
FigureList.Add(CurrentFigure);
}
Mode.Text = "Figure: Rectangle has been edited successfully";
}
}
if (SelectedFigure is Circle)
{
var f = new CirclePerimeters(this);
f.ShowDialog();
if (CurrentFigure != null)
{
using (var graphics = PanelDraw.CreateGraphics())
{
CurrentFigure.Color = OriginalColor;
CurrentFigure.Location = SelectedFigure.Location;
CurrentFigure.Index = SelectedFigure.Index;
FigureList.Remove(SelectedFigure);
CurrentFigure.Draw(graphics);
FigureList.Add(CurrentFigure);
}
Mode.Text = "Figure: Circle has been edited successfully";
}
}
if (SelectedFigure is Triangle)
{
var f = new TrianglePerimeters(this);
f.ShowDialog();
if (CurrentFigure != null)
{
using (var graphics = PanelDraw.CreateGraphics())
{
CurrentFigure.Color = OriginalColor;
CurrentFigure.Location = SelectedFigure.Location;
CurrentFigure.Index = SelectedFigure.Index;
FigureList.Remove(SelectedFigure);
CurrentFigure.Draw(graphics);
FigureList.Add(CurrentFigure);
}
Mode.Text = "Figure: Triangle has been edited successfully";
}
}
SelectedFigure = null;
CurrentFigure = null;
PanelDraw.Invalidate();
IsEditing = false;
}
CalculateAreaPermiters();
PanelDraw.Invalidate();
if (SelectedFigure == null)
{
Mode.Text = "You must Select Figure";
}
}
private void PanelDraw_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left && CurrentFigure != null)
{
using (var graphics = PanelDraw.CreateGraphics())
{
CurrentFigure.Color = colorDialog1.Color;
CurrentFigure.Location = e.Location;
CurrentFigure.Draw(graphics);
CurrentFigure.Index = FigureList
.Select(f => f.Index)
.OrderBy(i => i)
.LastOrDefault() + 1;
}
FigureList.Add(CurrentFigure);
Mode.Text = "Right Click On The Figure Will Select It";
CurrentFigure = null;
if (SelectedFigure != null)
{
SelectedFigure.Color = OriginalColor;
SelectedFigure = null;
}
}
else if (e.Button == MouseButtons.Right)
{
//If the figure is no longer selected, figure's color turnes back to original color
if (SelectedFigure != null)
{
SelectedFigure.Color = OriginalColor;
Mode.Text = "Figure:";
}
SelectedFigure = FigureList
.OrderByDescending(i => i.Index)
.Where(f => f.Contains(e.Location))
.FirstOrDefault();
//Selected figure turns Red
if (SelectedFigure != null)
{
OriginalColor = SelectedFigure.Color;
SelectedFigure.Color = Color.Red;
if (SelectedFigure is Circle)
{
Mode.Text = "Figure: Circle is Selected";
}
if (SelectedFigure is Triangle)
{
Mode.Text = "Figure: Triangle is Selected";
}
if (SelectedFigure is Rectangle)
{
Mode.Text = "Figure: Rectangle is Selected";
}
}
//Checking if selected figure is clicked once again- figure is moving
if (SelectedFigure != null && e.Button == MouseButtons.Right)
{
IsMoving = true;
}
if (SelectedFigure != null)
{
DeltaX = e.Location.X - SelectedFigure.Location.X;
DeltaY = e.Location.Y - SelectedFigure.Location.Y;
}
}
CalculateAreaPermiters();
PanelDraw.Invalidate();
}
