52 lines
1.7 KiB
C#
52 lines
1.7 KiB
C#
using System;
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using System.ComponentModel;
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using System.Linq;
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using Xamarin.Forms;
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namespace Ooui.Forms.Renderers
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{
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public class ProgressBarRenderer : ViewRenderer<ProgressBar, Div>
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{
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public override SizeRequest GetDesiredSize (double widthConstraint, double heightConstraint)
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{
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var size = new Size (80, 20);
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return new SizeRequest (size, size);
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}
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protected override void OnElementChanged (ElementChangedEventArgs<ProgressBar> e)
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{
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if (e.NewElement != null) {
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if (Control == null) {
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var p = new Div { ClassName = "progress" };
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var pb = new Div { ClassName = "progress-bar progress-bar" };
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pb.SetAttribute ("role", "progressbar");
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pb.SetAttribute ("aria-valuenow", "0");
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pb.SetAttribute ("aria-valuemin", "0");
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pb.SetAttribute ("aria-valuemax", "100");
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pb.Style.Width = "0%";
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p.AppendChild (pb);
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SetNativeControl (p);
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}
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UpdateProgress ();
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}
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base.OnElementChanged (e);
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}
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protected override void OnElementPropertyChanged (object sender, PropertyChangedEventArgs e)
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{
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base.OnElementPropertyChanged (sender, e);
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if (e.PropertyName == ProgressBar.ProgressProperty.PropertyName)
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UpdateProgress ();
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}
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void UpdateProgress ()
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{
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var pb = Control?.Children.FirstOrDefault () as Div;
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pb.Style.Width = string.Format (System.Globalization.CultureInfo.InvariantCulture, "{0}%", Element.Progress*100);
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}
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}
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}
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