public static void SetAppValue(string key, object value, NSString applicationId)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
else if (applicationId == null)
{
throw new ArgumentNullException("applicationId");
}
using (var cfKey = new CFString(key)) {
if (value == null)
{
CFPreferencesSetAppValue(cfKey.Handle, IntPtr.Zero, applicationId.Handle);
}
else if (value is string)
{
using (var valueStr = new CFString((string)value)) {
CFPreferencesSetAppValue(cfKey.Handle, valueStr.Handle, applicationId.Handle);
}
return;
}
else if (value is NSString || value is CFString ||
value is NSData || value is CFData ||
value is NSArray || value is CFArray ||
value is NSDictionary || value is CFDictionary ||
value is NSNumber || value is CFBoolean)
{
CFPreferencesSetAppValue(cfKey.Handle, ((INativeObject)value).Handle, applicationId.Handle);
return;
}
var nsnumber = NSNumber.FromObject(value);
if (nsnumber != null)
{
using (nsnumber) {
CFPreferencesSetAppValue(cfKey.Handle, nsnumber.Handle, applicationId.Handle);
}
return;
}
throw new ArgumentException("unsupported type: " + value.GetType(), "value");
}
}
// sets up the scrolling in the correct direction
// utilizes CSDisplayLink, a timer synchronized to the display refresh rate, to execute the smooth automated scrolling
private void SetupScrollTimerInDirection(ScrollingDirection direction)
{
if (DisplayLink != null && !DisplayLink.Paused)
{
var userInfo = userInfos[DisplayLink];
var scrollingDirection = userInfo[ScrollingDirectionKey];
var number = (NSNumber)NSNumber.FromObject(scrollingDirection);
ScrollingDirection oldDirection = (ScrollingDirection)number.Int32Value;
if (direction == oldDirection)
{
return;
}
}
InvalidatesScrollTimer();
DisplayLink = CADisplayLink.Create(HandleScroll);
userInfos.Add(DisplayLink, NSDictionary.FromObjectAndKey(NSNumber.FromInt32((int)direction), new NSString(ScrollingDirectionKey)));
DisplayLink.AddToRunLoop(NSRunLoop.Main, NSRunLoop.NSRunLoopCommonModes);
}
/// <summary>
/// Initializes a new instance of the <see cref="JZMultiChoice.JZMultiChoicesCircleButton"/> class.
/// </summary>
/// <param name="point">Center Point.</param>
/// <param name="icon">Center Icon</param>
/// <param name="sRadius">Small radius.</param>
/// <param name="bRadius">Big radius.</param>
/// <param name="mMenuItems">Choice items</param>
/// <param name="isParallex">If set to <c>true</c> is parallex.</param>
/// <param name="parallex">Parallex amount</param>
/// <param name="vc">ViewContoller.</param>
public JZMultiChoicesCircleButton(CGPoint point, UIImage icon
, float sRadius, float bRadius, ChoiceItemCollection mMenuItems, bool isParallex
, float parallex, UIViewController vc) : this(UIScreen.MainScreen.Bounds)
{
this.SmallRadius = sRadius;
this.BigRadius = bRadius;
this.isTouchDown = false;
this.CenterPoint = point;
this.IconImage = icon;
this.ParallexParameter = parallex;
this.Parallex = isParallex;
this.ResponderUIVC = vc;
BackgroundView = new UIView(new CGRect(point.X - sRadius, point.Y - sRadius, sRadius * 2, sRadius * 2));
BackgroundView.BackgroundColor = new UIColor(0f, 0f, 0f, 0.7f);
BackgroundView.Layer.CornerRadius = sRadius;
this.Add(BackgroundView);
SmallButton = new UIButton(new CGRect(point.X - sRadius, point.Y - sRadius, sRadius * 2, sRadius * 2));
SmallButton.Layer.CornerRadius = sRadius;
SmallButton.Layer.BackgroundColor = UIColor.FromRGBA(252.0f / 255.0f, 81.0f / 255.0f, 106.0f / 255.0f, 1.0f).CGColor;
SmallButton.Layer.ShadowColor = UIColor.Black.CGColor;
SmallButton.Layer.ShadowOffset = new CGSize(0.0f, 6.0f);
SmallButton.Layer.ShadowOpacity = 0.3f;
SmallButton.Layer.ShadowRadius = 4.0f;
SmallButton.Layer.ZPosition = bRadius;
SmallButton.SetImage(IconImage, UIControlState.Normal);
SmallButton.AddTarget(TouchDown, UIControlEvent.TouchDown);
SmallButton.AddTarget(this, new Selector("TouchDrag:withEvent:"), UIControlEvent.TouchDragInside);
SmallButton.AddTarget(this, new Selector("TouchDrag:withEvent:"), UIControlEvent.TouchDragOutside);
SmallButton.AddTarget(this, new Selector("TouchUpInside:withEvent:"), UIControlEvent.TouchUpInside);
SmallButton.AddTarget(TouchUpOutside, UIControlEvent.TouchUpOutside);
this.Add(SmallButton);
label = new CATextLayer();
label.FontSize = 9.0f;
label.String = @"Choose:";
label.FontSize = 40;
label.SetFont(@"ArialMT");
label.AlignmentMode = CATextLayer.AlignmentCenter;
label.ForegroundColor = UIColor.FromWhiteAlpha(1.0f, 0.0f).CGColor;
label.Frame = new CGRect(-SmallRadius * 3, -52, SmallRadius * 8, 100);
var UnScaleFactor = SmallRadius / BigRadius;
label.Transform = CATransform3D.MakeScale(UnScaleFactor, UnScaleFactor, 1.0f);
SmallButton.Layer.AddSublayer(label);
var TransformPara = BigRadius / SmallRadius;
var MultiChoiceRadius = (BigRadius + SmallRadius) / 8 / TransformPara;
this.mItems = mMenuItems;
IconArray = new List <UIImageView> ();
var number = mMenuItems.Count;
foreach (var aItem in this.mItems)
{
var i = mItems.IndexOf(aItem);
var XOffest = 4 * MultiChoiceRadius * Math.Cos(2 * Math.PI * i / number);
var YOffest = 4 * MultiChoiceRadius * Math.Sin(2 * Math.PI * i / number);
var IconImageView = new UIImageView(new CGRect(sRadius + XOffest - MultiChoiceRadius, sRadius + YOffest - MultiChoiceRadius, MultiChoiceRadius * 2, MultiChoiceRadius * 2));
IconImageView.Image = aItem.Icon;
IconImageView.Alpha = 0.0f;
IconImageView.Hidden = true;
SmallButton.Add(IconImageView);
SmallButton.BringSubviewToFront(IconImageView);
IconImageView.Layer.ContentsScale = UIScreen.MainScreen.Scale * BigRadius / SmallRadius;
IconArray.Add(IconImageView);
}
var UnFullFactor = SmallRadius / this.Frame.Size.Height;
CallbackIcon = new UIImageView(new CGRect((SmallButton.Frame.Size.Width - BigRadius) / 2, (SmallButton.Frame.Size.Height - BigRadius) / 2, BigRadius, BigRadius));
CallbackIcon.Layer.Transform = CATransform3D.MakeScale(UnFullFactor, UnFullFactor, 1.0f);
CallbackIcon.Image = UIImage.FromBundle("CallbackSuccess");
CallbackIcon.Alpha = 0.0f;
SmallButton.Add(CallbackIcon);
CallbackMessage = new UILabel();
CallbackMessage.Text = @"";
CallbackMessage.Alpha = 0.0f;
CallbackMessage.Font = UIFont.SystemFontOfSize(20.0f);
CallbackMessage.Layer.Transform = CATransform3D.MakeScale(UnFullFactor, UnFullFactor, 1.0f);
CallbackMessage.TextColor = UIColor.White; //[UIColor whiteColor];
CallbackMessage.TextAlignment = UITextAlignment.Center;
CallbackMessage.Frame = new CGRect((SmallButton.Frame.Size.Width - SmallRadius / 2) / 2, (SmallButton.Frame.Size.Height - SmallRadius / 4) / 2 + 6, SmallRadius / 2, SmallRadius / 4);
SmallButton.Add(CallbackMessage);
//
FullPara = this.Frame.Size.Height / SmallRadius;
var thning = SmallButton.Layer.ValueForKey(new NSString(@"transform.scale"));
if (thning != null)
{
var val = (NSNumber)NSNumber.FromObject(thning);
MidiumPara = val.DoubleValue;
}
else
{
MidiumPara = 1.0f;
}
SmallPara = 1.0f;
}
// actual scrolling logic that gets called by the CADisplayInfo timer
// only matters if we have an active scroll animation command
public void HandleScroll()
{
if (DisplayLink == null)
{
return;
}
var userInfo = userInfos[DisplayLink];
var scrollingDirection = userInfo[ScrollingDirectionKey];
var number = (NSNumber)NSNumber.FromObject(scrollingDirection);
ScrollingDirection direction = (ScrollingDirection)(number.Int32Value);
if (direction == ScrollingDirection.ScrollingDirectionUnknown)
{
return;
}
var frameSize = CollectionView.Bounds.Size;
var contentSize = CollectionView.ContentSize;
var contentOffset = CollectionView.ContentOffset;
var distance = (float)Math.Round(ScrollingSpeed / LX_FRAMES_PER_SECOND);
var translation = new PointF();
switch (direction)
{
case ScrollingDirection.ScrollingDirectionUp:
distance = -distance;
var minY = 0.0f;
if ((contentOffset.Y + distance) <= minY)
{
distance = -contentOffset.Y;
}
translation = new PointF(0.0f, distance);
break;
case ScrollingDirection.ScrollingDirectionDown:
float maxY = Math.Max(contentSize.Height, frameSize.Height) - frameSize.Height;
if ((contentOffset.Y + distance) >= maxY)
{
distance = maxY - contentOffset.Y;
}
translation = new PointF(0.0f, distance);
break;
case ScrollingDirection.ScrollingDirectionLeft:
distance = -distance;
float minX = 0.0f;
if ((contentOffset.X + distance) <= minX)
{
distance = -contentOffset.X;
}
translation = new PointF(distance, 0.0f);
break;
case ScrollingDirection.ScrollingDirectionRight:
float maxX = Math.Max(contentSize.Width, frameSize.Width) - frameSize.Width;
if ((contentOffset.X + distance) >= maxX)
{
distance = maxX - contentOffset.X;
}
translation = new PointF(distance, 0.0f);
break;
default:
break;
}
CurrentViewCenter = AddPoints(CurrentViewCenter, translation);
if (CurrentView != null)
{
CurrentView.Center = AddPoints(CurrentViewCenter, PanTranslationInCollectionView);
}
CollectionView.ContentOffset = AddPoints(contentOffset, translation);
}
