public void SelectTool(ITool tool)
{
ITool oldTool = null;
ITool newTool = null;
if (tool.IsActivatable)
{
if (ActivatedTools.Contains(tool))
{
ActivatedTools.Remove(tool);
}
else
{
ActivatedTools.Add(tool);
}
tool.IsActivated = ActivatedTools.Contains(tool);
}
else
{
oldTool = SelectedTool;
SelectedTool?.Unselect();
SelectedTool = tool;
SelectedTool.Select();
newTool = SelectedTool;
}
ToolSelected?.Invoke(this, new ToolSelectedEventArgs(oldTool, newTool));
}