using System;
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using UIKit;
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using CoreAnimation;
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namespace Shared
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{
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/// <summary>
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/// 当前视图
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/// </summary>
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public class Spinner : Button
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{
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/// <summary>
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/// 构造函数
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/// </summary>
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public Spinner ()
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{
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TextColor = 0xff007aff;
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BorderWidth = 1;
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Radius = 10;
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MouseUpEventHandler += (sender1, e1) => {
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if (AdapterStr == null || AdapterStr.Length == 0)
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{
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return;
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}
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UIScrollView tempUIScrollView = new UIScrollView();
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tempUIScrollView.BackgroundColor = UIColor.Clear;
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var frame2 = tempUIScrollView.Frame;
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frame2.Width = Application.CurrentWidth;
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frame2.Height = Application.CurrentHeight;
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tempUIScrollView.Frame = frame2;
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tempUIScrollView.Alpha = 0.94f;
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UITapGestureRecognizer gestureRecognizer = new UITapGestureRecognizer(() =>
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{
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remoteFromSuperview(tempUIScrollView);
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});
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tempUIScrollView.AddGestureRecognizer(gestureRecognizer);
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int height = 40;
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var size = tempUIScrollView.ContentSize;
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size.Width = Application.CurrentWidth;
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size.Height = height * AdapterStr.Length;
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tempUIScrollView.ContentSize = size;
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size.Width = 20;
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size.Height = 20;
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for (int i = 0; i < AdapterStr.Length; i++)
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{
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UIButton button = new UIButton();
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var tempButtonFrame = button.Frame;
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tempButtonFrame.Y = (int)Math.Max(tempUIScrollView.Frame.Height, tempUIScrollView.ContentSize.Height) - (height * (i + 1));
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tempButtonFrame.Width = Application.CurrentWidth;
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tempButtonFrame.Height = height;
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button.Frame = tempButtonFrame;
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button.SetTitle(AdapterStr[i], UIControlState.Normal);
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button.SetTitleColor(new UIColor(0x6d / 255.0f, 0x6d / 255.0f, 0x72 / 255.0f, 1), UIControlState.Normal);
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button.BackgroundColor = UIColor.White;
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button.Tag = i;
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button.TouchUpInside += (sender, ee) =>
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{
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remoteFromSuperview(tempUIScrollView);
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Text = AdapterStr[button.Tag];
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if (SelectedItemChanged != null)
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{
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SelectedItemChanged(this, (int)button.Tag);
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}
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};
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tempUIScrollView.AddSubview(button);
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if (i == this.AdapterStr.Length - 1)
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{
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UIBezierPath uIBezierPath = UIBezierPath.FromRoundedRect(button.Bounds, UIRectCorner.TopLeft | UIRectCorner.TopRight, size);
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CAShapeLayer cAShapeLayer = new CAShapeLayer();
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cAShapeLayer.Frame = button.Bounds;
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cAShapeLayer.Path = uIBezierPath.CGPath;
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button.Layer.Mask = cAShapeLayer;
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}
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else {
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UIView line = new UIView();
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var ddd = line.Frame;
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ddd.Y = button.Frame.Y;
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ddd.Width = Application.CurrentWidth;
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ddd.Height = 1;
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line.Frame = ddd;
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line.BackgroundColor = new UIColor(0xdd / 255.0f, 0xdd / 255.0f, 0xdd / 255.0f, 1);
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tempUIScrollView.AddSubview(line);
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if (i == 0)
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{
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UIBezierPath uIBezierPath = UIBezierPath.FromRoundedRect(button.Bounds, UIRectCorner.BottomLeft | UIRectCorner.BottomRight, size);
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CAShapeLayer cAShapeLayer = new CAShapeLayer();
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cAShapeLayer.Frame = button.Bounds;
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cAShapeLayer.Path = uIBezierPath.CGPath;
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button.Layer.Mask = cAShapeLayer;
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}
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}
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}
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var frame = tempUIScrollView.Frame;
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frame.Y = Application.CurrentHeight;
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tempUIScrollView.Frame = frame;
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Application.RootFrameLayout.AddSubview(tempUIScrollView);
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UIView.AnimateNotify(0.6f, 0.01f, UIViewAnimationOptions.CurveLinear, () =>
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{
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frame.Y = 0;
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tempUIScrollView.Frame = frame;
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}, null);
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};
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}
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void remoteFromSuperview(UIScrollView uIScrollView)
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{
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UIView.AnimateNotify(0.6f,0.01f,UIViewAnimationOptions.CurveLinear,() => {
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var frame= uIScrollView.Frame ;
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frame.Y=Application.CurrentHeight;
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uIScrollView.Frame=frame;
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},(b)=>{
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if(b)
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{
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uIScrollView.RemoveFromSuperview();
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}
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});
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}
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/// <summary>
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/// 刷新当前视图
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/// </summary>
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public override void Refresh()
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{
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base.Refresh();
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CurrentRow = currentRow;
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}
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int currentRow;
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/// <summary>
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///
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/// </summary>
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/// <value>The current row.</value>
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public int CurrentRow
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{
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get
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{
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return currentRow;
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}
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set
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{
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if (AdapterStr == null || value < 0 || AdapterStr.Length <= value)
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{
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return;
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}
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currentRow = value;
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Text = AdapterStr[value];
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}
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}
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/// <summary>
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/// 添加下拉列表的数据
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/// </summary>
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/// <param name="Str">String.</param>
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public string []AdapterStr {
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get;
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set ;
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}
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/// <summary>
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/// 选择列表变化的事件
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/// </summary>
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public Action<View, int> SelectedItemChanged;
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}
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}
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