private void SetMenu()
{
int count = MenusArray.Count;
for (int i = 0; i < count; i++)
{
ApexMenuItem item = MenusArray[i];
item.Tag = 1000 + i;
item.StartPoint = StartPoint;
// avoid overlap
if (MenuWholeAngle >= Math.PI * 2)
{
MenuWholeAngle = MenuWholeAngle - MenuWholeAngle / count;
}
PointF endPoint = new PointF(StartPoint.X + EndRadius * (float)Math.Sin(i * MenuWholeAngle / (count - 1)), StartPoint.Y - EndRadius * (float)Math.Cos(i * MenuWholeAngle / (count - 1)));
item.EndPoint = RotateCGPointAroundCenter(endPoint, StartPoint, RotateAngle);
PointF nearPoint = new PointF(StartPoint.X + NearRadius * (float)Math.Sin(i * MenuWholeAngle / (count - 1)), StartPoint.Y - NearRadius * (float)Math.Cos(i * MenuWholeAngle / (count - 1)));
item.NearPoint = RotateCGPointAroundCenter(nearPoint, StartPoint, RotateAngle);
PointF farPoint = new PointF(StartPoint.X + FarRadius * (float)Math.Sin(i * MenuWholeAngle / (count - 1)), StartPoint.Y - FarRadius * (float)Math.Cos(i * MenuWholeAngle / (count - 1)));
item.FarPoint = RotateCGPointAroundCenter(farPoint, StartPoint, RotateAngle);
item.Center = item.StartPoint;
//item.delegate = this;
this.InsertSubviewBelow(item, StartButton);
}
}
//AwesomeMenuItem delegates
public void ApexMenuItemTouchesBegan(ApexMenuItem item)
{
if (item == StartButton)
{
this.Expanding = !this.Expanding;
}
}
//Private methods
private void Expand()
{
if (Flag == MenusArray.Count)
{
IsAnimating = flase;
Timer.Invalidate();
Timer = null;
return;
}
var Tag = 1000 + Flag;
ApexMenuItem item = this.ViewWithTag(Tag);
var rotateAnimation = (CAKeyFrameAnimation)CAKeyFrameAnimation.FromKeyPath("transform.rotation.z");
rotateAnimation.Values = new NSNumber[] { this.ExpandRotation, 0.0f };
rotateAnimation.Duration = AnimationDuration;
rotateAnimation.KeyTimes = new NSNumber[] { 0.3f, 0.4f };
var positionAnimation = (CAKeyFrameAnimation)CAKeyFrameAnimation.FromKeyPath("position");
positionAnimation.Duration = AnimationDuration;
var path = new CGPath();
path.MoveToPoint(item.StartPoint.X, item.StartPoint.Y);
path.AddLineToPoint(item.FarPoint.X, item.FarPoint.Y);
path.AddLineToPoint(item.NearPoint.X, item.NearPoint.Y);
path.AddLineToPoint(item.EndPoint.X, item.EndPoint.Y);
positionAnimation.Path = path;
var animationGroup = new CAAnimationGroup();
animationGroup.Animations = new CAAnimation[] { positionAnimation, rotateAnimation };
animationGroup.Duration = AnimationDuration;
animationGroup.FillMode = CAFillMode.Forwards;
animationGroup.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseIn);
//animationgroup.delegate = self;
if (Flag == MenusArray.Count - 1)
{
animationGroup.SetValueForKey("firstAnimation", "id");
}
item.Layer.AddAnimation(animationGroup, "Expand");
item.Center = item.EndPoint;
Flag++;
}
public void ApexMenuItemTouchesEnd(ApexMenuItem item)
{
// exclude the "add" button
if (item == StartButton)
{
return;
}
// blowup the selected menu button
CAAnimationGroup blowup = this.BlowupAnimationAtPoint(item.Center);
item.Layer.AddAnimation(blowup, "blowup");
item.Center = item.StartPoint;
// shrink other menu buttons
for (int i = 0; i < MenusArray.Count; i++)
{
ApexMenuItem otherItem = MenusArray[i];
CAAnimationGroup shrink = this.ShrinkAnimationAtPoint(otherItem.center);
if (otherItem.Tag == item.Tag)
{
continue;
}
otherItem.Layer.AddAnimation(shrink, "shrink");
otherItem.Center = otherItem.StartPoint;
}
Expanding = false;
// rotate start button
float angle = this.Expanding ? Math.PI / 4.0f : 0.0f;
Animate(AnimationDuration, () => {
StartButton.Transform = CGAffineTransform.MakeRotation(angle);
});
//if ([_delegate respondsToSelector:@selector(awesomeMenu:didSelectIndex:)])
//{
// [_delegate awesomeMenu:self didSelectIndex:item.tag - 1000];
//}
}
public ApexMenu(RectangleF frame, ApexMenuItem startItem, List <ApexMenuItem> aMenusArray) : base(frame)
{
this.BackgroundColor = UIColor.Clear;
this.NearRadius = kApexMenuDefaultNearRadius;
this.EndRadius = kApexMenuDefaultEndRadius;
this.FarRadius = kApexMenuDefaultFarRadius;
this.TimeOffset = kApexMenuDefaultTimeOffset;
this.RotateAngle = kApexMenuDefaultRotateAngle;
this.MenuWholeAngle = kApexMenuDefaultMenuWholeAngle;
this.StartPoint = new PointF(kApexMenuDefaultStartPointX, kApexMenuDefaultStartPointY);
this.ExpandRotation = kApexMenuDefaultExpandRotation;
this.CloseRotation = kApexMenuDefaultCloseRotation;
this.AnimationDuration = kApexMenuDefaultAnimationDuration;
this.MenusArray = aMenusArray;
// assign startItem to "Add" Button.
this.StartButton = startItem;
//_startButton.delegate = self;
StartButton.Center = this.StartPoint;
this.AddSubview(StartButton);
}
