using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Android.App;
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using Android.Content;
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using Android.OS;
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using Android.Runtime;
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using Android.Views;
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using Android.Widget;
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using Android.Util;
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using Android.Views.Animations;
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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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public Spinner()
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{
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TextColor = 0xff007aff;
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Radius = 10;
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BorderWidth = (uint)DensityUtil.Dip2Px(1);
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MouseUpEventHandler += (sender, e) =>
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{
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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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ScrollView tempScrolView = new ScrollView(Application.Activity);
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tempScrolView.VerticalScrollBarEnabled = false;
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Application.RootFrameLayout.AddView(tempScrolView, new Android.Views.ViewGroup.LayoutParams(Application.CurrentWidth, Application.CurrentHeight));
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tempScrolView.BringToFront();
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tempScrolView.Alpha = 0.94f;
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Android.Widget.LinearLayout linearLayout = new Android.Widget.LinearLayout(Application.Activity);
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linearLayout.Orientation = Orientation.Vertical;
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tempScrolView.AddView(linearLayout, new Android.Views.ViewGroup.LayoutParams(tempScrolView.LayoutParameters.Width, Android.Views.ViewGroup.LayoutParams.WrapContent));
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int height = 40;
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int totalHeight = AdapterStr.Length * DensityUtil.Dip2Px(height + 1);
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if (totalHeight < tempScrolView.LayoutParameters.Height)
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{
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var ll = new Android.Widget.TextView(Application.Activity);
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ll.Touch += (sender1, e1) =>
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{
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if (e1.Event.Action == MotionEventActions.Up)
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{
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((Android.Views.ViewGroup)tempScrolView.Parent).RemoveView(tempScrolView);
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}
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};
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linearLayout.AddView(ll, new Android.Views.ViewGroup.LayoutParams(tempScrolView.LayoutParameters.Width, tempScrolView.LayoutParameters.Height - totalHeight));
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}
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Android.Widget.LinearLayout l = new Android.Widget.LinearLayout(Application.Activity);
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l.Orientation = Orientation.Vertical;
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linearLayout.AddView(l, new Android.Views.ViewGroup.LayoutParams(linearLayout.LayoutParameters.Width, Android.Views.ViewGroup.LayoutParams.WrapContent));
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for (int i = 0; i < this.AdapterStr.Length; i++)
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{
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Android.Widget.Button button = new Android.Widget.Button(Application.Activity);
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button.Text = AdapterStr[i];
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button.SetTextColor(new Android.Graphics.Color(0x6d, 0x6d, 0x72, 0xff));
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button.SetBackgroundColor(Android.Graphics.Color.White);
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button.Tag = i;
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button.Click += (sender1, e1) =>
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{
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((Android.Views.ViewGroup)tempScrolView.Parent).RemoveView(tempScrolView);
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//tempScrolView.Animation = new TranslateAnimation(
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// Dimension.RelativeToSelf, 0.0f,
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// Dimension.RelativeToSelf, 0.0f,
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// Dimension.RelativeToSelf, 0.0f,
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// Dimension.RelativeToSelf, 1.0f);
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//tempScrolView.Animation.Duration = 500;
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////view.Animation.AnimationEnd += (sender, e) =>
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////{
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//// ((Android.Views.ViewGroup)view.Parent).RemoveView(view);
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////};
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//tempScrolView.Animation.StartNow();
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if (SelectedItemChanged != null)
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{
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SelectedItemChanged(this, (int)button.Tag);
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Text = AdapterStr[(int)button.Tag];
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}
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};
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l.AddView(button, new Android.Views.ViewGroup.LayoutParams(l.LayoutParameters.Width, DensityUtil.Dip2Px(height)));
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if (i == AdapterStr.Length - 1)
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{
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//var gradientDrawable = new Android.Graphics.Drawables.GradientDrawable();
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//gradientDrawable.SetCornerRadius(10);
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//button.Background = gradientDrawable;
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}
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else {
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Android.Widget.TextView line = new Android.Widget.TextView(Application.Activity);
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line.SetBackgroundColor(new Android.Graphics.Color(0xdd, 0xdd, 0xdd, 0xff));
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l.AddView(line, new Android.Views.ViewGroup.LayoutParams(Android.Views.ViewGroup.LayoutParams.MatchParent, DensityUtil.Dip2Px(1)));
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if (i == 0)
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{
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//var gradientDrawable = new Android.Graphics.Drawables.GradientDrawable();
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//gradientDrawable.SetCornerRadius(10);
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//button.Background = gradientDrawable;
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}
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}
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}
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tempScrolView.Animation = new TranslateAnimation(
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Dimension.RelativeToSelf, 0.0f,
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Dimension.RelativeToSelf, 0.0f,
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Dimension.RelativeToSelf, 1.0f,
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Dimension.RelativeToSelf, 0.0f);
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tempScrolView.Animation.Duration = 500;
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tempScrolView.Animation.StartNow();
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};
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}
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int currentRow;
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/// <summary>
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/// 当前行
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/// </summary>
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/// <value>当前行，从0开始</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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{
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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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/// <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 = 0;
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}
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}
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}
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