public MainWindow()
{
InitializeComponent();
drawingField.Background = new SolidColorBrush(Colors.White);
this.figureLb.SelectionChanged+=(s,e) =>
{
if (currentPlacing!=null)
{
drawingField.Children.Remove(currentPlacing);
}
draging = null;
resize = null;
foreach (Figuur fig in selected)
{
drawingField.Children.Remove(fig.getSizeAdorner());
fig.getGraphics().Stroke = new SolidColorBrush(Colors.Black);
fig.getGraphics().StrokeThickness = 2;
}
selected.Clear();
};
this.KeyDown += (s, e) =>
{
if(e.Key == Key.Delete)
{
if (selected !=null && selected.Count != 0)
{
foreach(Figuur fig in selected)
{
drawingField.Children.Remove(fig.getGraphics());
drawingField.Children.Remove(fig.getSizeAdorner());
this.shapes.Remove(fig);
}
selected.Clear();
}
}
};
}
private void drawingField_MouseUp(object sender, MouseButtonEventArgs e)
{
if (currentPlacing != null)
{
//figuur te klein om te plaatsen
if (currentPlacing.Height < 10 && currentPlacing.Width < 10 || Double.IsNaN(currentPlacing.Height)|| Double.IsNaN(currentPlacing.Width))
{
drawingField.Children.Remove(currentPlacing);
}
else
{
//vierkant plaatsen
if (currentPlacing is Rectangle)
{
shapes.Add(new Vierkant(Canvas.GetLeft(currentPlacing), Canvas.GetTop(currentPlacing), currentPlacing.Width, currentPlacing.Height, currentPlacing));
}
else if (currentPlacing is Ellipse)
{
//rondje plaatsen
shapes.Add(new Rondje(Canvas.GetLeft(currentPlacing), Canvas.GetTop(currentPlacing), currentPlacing.Width, currentPlacing.Height, currentPlacing));
}
}
currentPlacing = null;
}
else if (selectionRectangle != null)
{
//Selectie uitrekenen
double x = Canvas.GetLeft(selectionRectangle);
double y = Canvas.GetTop(selectionRectangle);
double width = selectionRectangle.Width;
double height = selectionRectangle.Height;
drawingField.Children.Remove(selectionRectangle);
selectionRectangle = null;
double max_x = x+width;
double max_y = y+height;
if (width < 10 && height < 10 || (Double.IsNaN(width) || Double.IsNaN(height)))
{
foreach (Figuur fig in shapes)
{
//Controleren of op een figuur is geklikt in plaats van kader eromheen getrokken
if (x >= fig.X && x < fig.X + fig.Width
&& y>= fig.Y && y < fig.Y + fig.Height )
{
selected.Add(fig);
drawingField.Children.Add(fig.getSizeAdorner());
fig.getGraphics().Stroke = new SolidColorBrush(Colors.Red);
fig.getGraphics().StrokeThickness = 5;
}
}
}
else {
//Controleren welke figuren binnen selectie vallen, gebeurd nu nog weinig mee.
foreach(Figuur fig in shapes)
{
if(fig.X > x && fig.X+ fig.Width <max_x
&& fig.Y > y && fig.Y+ fig.Height <max_y)
{
selected.Add(fig);
drawingField.Children.Add(fig.getSizeAdorner());
fig.getGraphics().Stroke = new SolidColorBrush(Colors.Red);
fig.getGraphics().StrokeThickness = 5;
}
}
}
}
else if(draging!=null)
{
draging = null;
}
else if(resize !=null)
{
resize = null;
}
}
private void drawingField_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
Point positionOfMouse = e.GetPosition(drawingField);
if (figureLb.SelectedIndex == 0)
{
if (selected.Count == 1 &&
positionOfMouse.X >= selected[0].X && positionOfMouse.X <= selected[0].X + selected[0].Width
&&
positionOfMouse.Y >= selected[0].Y && positionOfMouse.Y <= selected[0].Y + selected[0].Height)
{
draging = selected[0];
draging.getGraphics().Stroke = new SolidColorBrush(Colors.RoyalBlue);
}
else if (selected.Count == 1 &&
positionOfMouse.X >= selected[0].X+selected[0].Width && positionOfMouse.X <= selected[0].X + selected[0].Width+10
&&
positionOfMouse.Y >= selected[0].Y + selected[0].Height && positionOfMouse.Y <= selected[0].Y + selected[0].Height + 10)
{
resize = selected[0];
positionOfMouse.X = resize.X;
positionOfMouse.Y = resize.Y;
this.startingPoint = positionOfMouse;
}
else
{
foreach(Figuur fig in selected)
{
drawingField.Children.Remove(fig.getSizeAdorner());
fig.getGraphics().Stroke = new SolidColorBrush(Colors.Black);
fig.getGraphics().StrokeThickness = 2;
}
selected.Clear();
//selection tool geselecteerd
startingPoint = positionOfMouse;
selectionRectangle = new Rectangle();
selectionRectangle.Stroke = new SolidColorBrush(Colors.Black);
selectionRectangle.StrokeThickness = 5;
selectionRectangle.StrokeDashArray = new DoubleCollection { 5, 10 };
selectionRectangle.Fill = new SolidColorBrush(Colors.Blue);
selectionRectangle.Opacity = 0.25f;
drawingField.Children.Add(selectionRectangle);
Canvas.SetLeft(selectionRectangle, positionOfMouse.X);
Canvas.SetTop(selectionRectangle, positionOfMouse.Y);
this.startingPoint = positionOfMouse;
}
}
else
{
if (figureLb.SelectedIndex == 1)
{
//rectangle geselecteerd
currentPlacing = new Rectangle();
}
else if (figureLb.SelectedIndex == 2)
{
//ellipse geselecteerd
currentPlacing = new Ellipse();
}
currentPlacing.Stroke = new SolidColorBrush(Colors.Black);
currentPlacing.StrokeThickness = 2;
currentPlacing.Fill = new SolidColorBrush(random_colors[(int)positionOfMouse.X % random_colors.Length]);
drawingField.Children.Add(currentPlacing);
Canvas.SetLeft(currentPlacing, positionOfMouse.X);
Canvas.SetTop(currentPlacing, positionOfMouse.Y);
this.startingPoint = positionOfMouse;
}
}
}