private void DeleteIdea(ExIdea idea)
{
foreach (ExIdea child in idea.Children(Key.Left))
{
DeleteIdea(child);
}
foreach (ExIdea child in idea.Children(Key.Right))
{
DeleteIdea(child);
}
foreach (ExIdea child in idea.Children(Key.Up))
{
DeleteIdea(child);
}
foreach (ExIdea child in idea.Children(Key.Down))
{
DeleteIdea(child);
}
canvas.Children.Remove(idea);
if (idea.parent_rel != null)
{
canvas.Children.Remove(idea.parent_rel);
}
}
private ExIdea MakeIdea(Key direction)
{
const int each_distance = 100;
const int peer_distance = 200;
ExIdea idea = new ExIdea();
var children = active_idea.Children(direction);
int sign = (children.Count % 2 == 1) ? -1 : 1;
int distance = sign * (children.Count + 1) / 2 * each_distance;
switch (direction)
{
case Key.Left:
idea.Margin = new Thickness(active_idea.Margin.Left - peer_distance,
active_idea.Margin.Top + distance, 0, 0);
break;
case Key.Right:
idea.Margin = new Thickness(active_idea.Margin.Left + peer_distance,
active_idea.Margin.Top + distance, 0, 0);
break;
case Key.Up:
idea.Margin = new Thickness(active_idea.Margin.Left + distance * 2,
active_idea.Margin.Top - peer_distance, 0, 0);
break;
case Key.Down:
idea.Margin = new Thickness(active_idea.Margin.Left + distance * 2,
active_idea.Margin.Top + peer_distance, 0, 0);
break;
}
idea.notify += Active;
children.Add(idea);
active_idea.AddRelation(idea);
canvas.Children.Add(idea);
canvas.Children.Add(idea.parent_rel);
Canvas.SetZIndex(canvas.Children[canvas.Children.Count - 1], -1);
return(idea);
}
