112 строки
2.9 KiB
C#
112 строки
2.9 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Xamarin.Forms.CustomAttributes;
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namespace Xamarin.Forms.Controls
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{
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[Preserve (AllMembers=true)]
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[Issue (IssueTracker.None, 0, "Complex ListView", PlatformAffected.All)]
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public class ComplexListView
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: ContentPage
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{
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public ComplexListView()
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{
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Performance.Clear();
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var showPerf = new Button { Text = "Performance" };
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showPerf.Clicked += (sender, args) => {
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Performance.DumpStats();
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Performance.Clear();
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};
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Content = new StackLayout {
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Orientation = StackOrientation.Vertical,
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Children = {
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showPerf,
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new ListView {
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ItemTemplate = new DataTemplate (typeof (ComplexViewCell)),
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ItemsSource =
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new[] {
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"a", "b", "c", "a", "b", "c", "a", "b", "c", "a", "b", "c", "a", "b", "c", "a", "b", "c", "a", "b", "c", "a",
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"b", "c", "a", "b", "c", "a", "b", "c", "a", "b", "c", "a", "b", "c"
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}
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}
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}
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};
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}
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}
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internal class ComplexViewCell
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: ViewCell
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{
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static ImageSource s_mImgProdCount;
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static ImageSource s_mImgEndTime;
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static ImageSource s_mImgRenewal;
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public ComplexViewCell()
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{
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if (s_mImgProdCount == null)
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s_mImgProdCount = ImageSource.FromFile ("bank.png");
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if (s_mImgEndTime == null)
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s_mImgEndTime = ImageSource.FromFile ("bank.png");
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if (s_mImgRenewal == null)
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s_mImgRenewal = ImageSource.FromFile ("bank.png");
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var label1 = new Label { Text = "Label 1", Font = Font.SystemFontOfSize (NamedSize.Small, FontAttributes.Bold) };
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label1.SetBinding (Label.TextProperty, new Binding ("."));
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var label2 = new Label { Text = "Label 2", Font = Font.SystemFontOfSize (NamedSize.Small) };
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// was ListButton?
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var button = new Button {
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Text = "X",
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BackgroundColor = Color.Gray,
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HorizontalOptions = LayoutOptions.EndAndExpand
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};
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button.SetBinding (Button.CommandParameterProperty, new Binding ("."));
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button.Clicked += (sender, e) => {
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var b = (Button) sender;
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var t = b.CommandParameter;
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((ContentPage) ((ListView) ((StackLayout) b.ParentView).ParentView).ParentView).DisplayAlert ("Clicked",
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t + " button was clicked", "OK");
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Debug.WriteLine ("clicked" + t);
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};
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Image imgProdCount = new Image {
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Aspect = Aspect.AspectFit,
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Source = s_mImgProdCount,
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};
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Image imgEndTime = new Image {
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Aspect = Aspect.AspectFit,
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Source = s_mImgEndTime,
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};
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Image imgRenewal = new Image {
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Aspect = Aspect.AspectFit,
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Source = s_mImgRenewal,
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};
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View = new StackLayout {
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Orientation = StackOrientation.Horizontal,
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HorizontalOptions = LayoutOptions.StartAndExpand,
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Padding = new Thickness (15, 5, 5, 15),
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Children = {
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new StackLayout {
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Orientation = StackOrientation.Vertical,
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Children = { label1, label2 }
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},
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button,
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imgProdCount,
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imgEndTime,
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imgRenewal
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}
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};
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}
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}
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}
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