void graph_SelectionChanged()
{
FunctionsStackPanel.Children.Clear();
StylesExpander.Visibility = System.Windows.Visibility.Hidden;
FunctionsExpander.Visibility = System.Windows.Visibility.Collapsed;
if (graph.SelectionManager.IsMultipleSelected())
{
if (graph.SelectionManager.IsOnlyNodesSelected())
{
FunctionsExpander.Visibility = System.Windows.Visibility.Visible;
Button button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Remove nodes (Del)";
foreach (Node node in graph.SelectionManager.SelectedNodes)
{
button.Click += node.Remove;
}
Statics.AddImageToButton(button, "Tango Icons\\edit-delete.png");
FunctionsStackPanel.Children.Add(button);
StylesExpander.Visibility = System.Windows.Visibility.Visible;
}
return;
}
else if (graph.SelectionManager.SelectedNodes.Count == 1)
{
FunctionsExpander.Visibility = System.Windows.Visibility.Visible;
WrapPanel nodeButtonsWrapPanel = new WrapPanel()
{
Orientation = Orientation.Horizontal
};
FunctionsStackPanel.Children.Add(nodeButtonsWrapPanel);
Button button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Node properties (Enter)";
button.Click += graph.SelectionManager.SelectedNodes[0].PropertiesWindow;
Statics.AddImageToButton(button, "Tango Icons\\document-properties.png");
nodeButtonsWrapPanel.Children.Add(button);
button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Remove node (Del)";
button.Click += graph.SelectionManager.SelectedNodes[0].Remove;
Statics.AddImageToButton(button, "Tango Icons\\edit-delete.png");
nodeButtonsWrapPanel.Children.Add(button);
button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Bring into front";
button.Click += graph.SelectionManager.SelectedNodes[0].BringIntoFront;
Statics.AddImageToButton(button, "Tango Icons\\go-top.png");
nodeButtonsWrapPanel.Children.Add(button);
button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Send to back";
button.Click += graph.SelectionManager.SelectedNodes[0].SendToBack;
Statics.AddImageToButton(button, "Tango Icons\\go-bottom.png");
nodeButtonsWrapPanel.Children.Add(button);
button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Duplicate (D)";
button.Click += graph.SelectionManager.SelectedNodes[0].Duplicate;
Statics.AddImageToButton(button, "Tango Icons\\edit-copy.png");
nodeButtonsWrapPanel.Children.Add(button);
StylesExpander.Visibility = System.Windows.Visibility.Visible;
}
else if (graph.SelectionManager.SelectedEdgePart != null)
{
FunctionsExpander.Visibility = System.Windows.Visibility.Visible;
Label label = new Label();
label.Content = "Whole edge functions :";
label.Margin = new Thickness(5);
FunctionsStackPanel.Children.Add(label);
StackPanel edgeButtonsStackPanel = new StackPanel()
{
Orientation = Orientation.Horizontal
};
FunctionsStackPanel.Children.Add(edgeButtonsStackPanel);
Button button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Edge properties (Space)";
button.Click += graph.SelectionManager.SelectedEdgePart.Edge.Properties;
Statics.AddImageToButton(button, "Tango Icons\\document-properties.png");
edgeButtonsStackPanel.Children.Add(button);
button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Remove Edge (Del)";
button.Click += graph.SelectionManager.SelectedEdgePart.Edge.Remove;
Statics.AddImageToButton(button, "Tango Icons\\edit-delete.png");
edgeButtonsStackPanel.Children.Add(button);
label = new Label();
label.Content = "Edge part functions :";
label.Margin = new Thickness(5);
FunctionsStackPanel.Children.Add(label);
StackPanel edgePartButtonsStackPanel = new StackPanel()
{
Orientation = Orientation.Horizontal
};
FunctionsStackPanel.Children.Add(edgePartButtonsStackPanel);
button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Edge part properties (Enter)";
button.Click += graph.SelectionManager.SelectedEdgePart.Properties;
Statics.AddImageToButton(button, "Tango Icons\\document-properties.png");
edgePartButtonsStackPanel.Children.Add(button);
button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Break Edge part (B)";
button.Click += graph.SelectionManager.SelectedEdgePart.Break;
Statics.AddImageToButton(button, "Break48.png");
edgePartButtonsStackPanel.Children.Add(button);
}
else if (graph.SelectionManager.SelectedEdgeBreak != null)
{
FunctionsExpander.Visibility = System.Windows.Visibility.Visible;
graph.UICanvas.ContextMenu = new ContextMenu();
var edgeBreak = graph.SelectionManager.SelectedEdgeBreak;
if (edgeBreak.IsRemovable())
{
Button button = new Button();
button.Background = Brushes.White;
button.Margin = new Thickness(2);
button.Content = "Remove edge break (Del)";
button.Click += edgeBreak.Remove;
Statics.AddImageToButton(button, "Tango Icons\\edit-delete.png");
FunctionsStackPanel.Children.Add(button);
}
else
{
var textblock = new TextBlock();
textblock.Text = "It can't be removed\nTo remove it, remove the edge";
FunctionsStackPanel.Children.Add(textblock);
}
}
}
public static double RectangleDistance(Rect r1, Rect r2)
{
double X1 = 0, X2 = 0, Y1 = 0, Y2 = 0;
if (Statics.IsTwoRectCross(r1, r2))
{
return(0);
}
if (r1.Top > r2.Bottom && r1.Left > r2.Right)
{
X1 = r1.Left;
Y1 = r1.Top;
X2 = r2.Right;
Y2 = r2.Bottom;
}
else if (r1.Top > r2.Bottom && r1.Right < r2.Left)
{
X1 = r1.Right;
Y1 = r1.Top;
X2 = r2.Left;
Y2 = r2.Bottom;
}
else if (r2.Top > r1.Bottom && r2.Left > r1.Right)
{
X1 = r2.Left;
Y1 = r2.Top;
X2 = r1.Right;
Y2 = r1.Bottom;
}
else if (r2.Top > r1.Bottom && r2.Right < r1.Left)
{
X1 = r2.Right;
Y1 = r2.Top;
X2 = r1.Left;
Y2 = r1.Bottom;
}
else if (r1.Top > r2.Bottom)
{
double maxLeft = Math.Max(r1.Left, r2.Left);
double minRight = Math.Min(r1.Right, r2.Right);
double center = (maxLeft + minRight) / 2;
X1 = X2 = center;
Y1 = r1.Top;
Y2 = r2.Bottom;
}
else if (r2.Top > r1.Bottom)
{
double maxLeft = Math.Max(r1.Left, r2.Left);
double minRight = Math.Min(r1.Right, r2.Right);
double center = (maxLeft + minRight) / 2;
X1 = X2 = center;
Y1 = r2.Top;
Y2 = r1.Bottom;
}
else if (r1.Left > r2.Right)
{
double maxTop = Math.Max(r1.Top, r2.Top);
double minButtom = Math.Min(r1.Bottom, r2.Bottom);
double center = (maxTop + minButtom) / 2;
Y1 = Y2 = center;
X1 = r1.Left;
X2 = r2.Right;
}
else if (r2.Left > r1.Right)
{
double maxTop = Math.Max(r1.Top, r2.Top);
double minButtom = Math.Min(r1.Bottom, r2.Bottom);
double center = (maxTop + minButtom) / 2;
Y1 = Y2 = center;
X1 = r2.Left;
X2 = r1.Right;
}
return(Math.Sqrt((X2 - X1) * (X2 - X1) + (Y2 - Y1) * (Y2 - Y1)));
}