public override void TouchesEnded(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesEnded(touches, evt);
var touch = touches.AnyObject as UITouch;
if (touch == null || nodeIsMoving == false || currentMovingNode == null)
{
return;
}
if (DropableCanvas.Frame.Contains(currentMovingNode.Center) == true)
{
//Remove this view from superview
currentMovingNode.RemoveFromSuperview();
binarySearchTreeView.InsertNode(int.Parse(currentMovingNode.Text));
}
else
{
currentMovingNode.Frame = currentMovingNodeOriginalPosition;
}
currentMovingNode = null;
currentMovingNodeOriginalPosition = CGRect.Empty;
nodeIsMoving = false;
}
public override void TouchesBegan(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesBegan (touches, evt);
var touch = touches.AnyObject as UITouch;
if (touch == null)
return;
var locationinContainerView = touch.LocationInView (NodesContainerView);
//check which subview falls under this
currentMovingNode = NodesContainerView.Subviews.FirstOrDefault(node=>node.Frame.Contains(locationinContainerView)) as CircleView;
if (currentMovingNode != null) {
nodeIsMoving = true;
currentMovingNodeOriginalPosition = currentMovingNode.Frame;
}
}
public override void TouchesBegan(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesBegan(touches, evt);
var touch = touches.AnyObject as UITouch;
if (touch == null)
{
return;
}
var locationinContainerView = touch.LocationInView(NodesContainerView);
//check which subview falls under this
currentMovingNode = NodesContainerView.Subviews.FirstOrDefault(node => node.Frame.Contains(locationinContainerView)) as CircleView;
if (currentMovingNode != null)
{
nodeIsMoving = true;
currentMovingNodeOriginalPosition = currentMovingNode.Frame;
}
}
partial void GenerateNodesBtn_TouchUpInside(UIButton sender)
{
//Generate a random 5 numbers which are not in the tree
var fiveRandomValues = new RandomValueGenerator().GetRandomNumbers(5);
//Clear the existing subviews of the container
foreach (var subview in NodesContainerView.Subviews)
{
subview.RemoveFromSuperview();
}
// Add new subviews to the container
var frameToSet = new CGRect(10, 15, 50, 50);
foreach (var randomValue in fiveRandomValues)
{
CircleView circleView = new CircleView();
circleView.Frame = frameToSet;
circleView.Text = Convert.ToString(randomValue);
NodesContainerView.Add(circleView);
frameToSet.X = frameToSet.X + 70;
}
}
public override void TouchesEnded(Foundation.NSSet touches, UIEvent evt)
{
base.TouchesEnded (touches, evt);
var touch = touches.AnyObject as UITouch;
if (touch == null || nodeIsMoving == false || currentMovingNode == null)
return;
if (DropableCanvas.Frame.Contains (currentMovingNode.Center) == true)
{
//Remove this view from superview
currentMovingNode.RemoveFromSuperview();
binarySearchTreeView.InsertNode (int.Parse (currentMovingNode.Text));
}
else
{
currentMovingNode.Frame = currentMovingNodeOriginalPosition;
}
currentMovingNode = null;
currentMovingNodeOriginalPosition = CGRect.Empty;
nodeIsMoving = false;
}
partial void GenerateNodesBtn_TouchUpInside(UIButton sender)
{
//Generate a random 5 numbers which are not in the tree
var fiveRandomValues = new RandomValueGenerator().GetRandomNumbers(5);
//Clear the existing subviews of the container
foreach(var subview in NodesContainerView.Subviews)
{
subview.RemoveFromSuperview();
}
// Add new subviews to the container
var frameToSet = new CGRect(10,15,50,50);
foreach(var randomValue in fiveRandomValues)
{
CircleView circleView = new CircleView();
circleView.Frame = frameToSet;
circleView.Text = Convert.ToString(randomValue);
NodesContainerView.Add(circleView);
frameToSet.X = frameToSet.X + 70;
}
}