64 lines
2.3 KiB
C#
64 lines
2.3 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using Bit.iOS.Core.Renderers;
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using UIKit;
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using Xamarin.Forms;
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using Xamarin.Forms.Platform.iOS;
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[assembly: ExportRenderer(typeof(ContentPage), typeof(CustomContentPageRenderer))]
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namespace Bit.iOS.Core.Renderers
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{
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public class CustomContentPageRenderer : PageRenderer
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{
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public override void ViewWillAppear(bool animated)
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{
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base.ViewWillAppear(animated);
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if (!(Element is ContentPage contentPage) || NavigationController == null)
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{
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return;
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}
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// Hide bottom line under nav bar
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var navBar = NavigationController.NavigationBar;
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if (navBar != null)
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{
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navBar.SetValueForKey(FromObject(true), new Foundation.NSString("hidesShadow"));
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}
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var navigationItem = NavigationController.TopViewController.NavigationItem;
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var leftNativeButtons = (navigationItem.LeftBarButtonItems ?? new UIBarButtonItem[] { }).ToList();
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var rightNativeButtons = (navigationItem.RightBarButtonItems ?? new UIBarButtonItem[] { }).ToList();
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var newLeftButtons = new List<UIBarButtonItem>();
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var newRightButtons = new List<UIBarButtonItem>();
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foreach (var nativeItem in rightNativeButtons)
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{
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// Use reflection to get Xamarin private field "_item"
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var field = nativeItem.GetType().GetField("_item", BindingFlags.NonPublic | BindingFlags.Instance);
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if (field == null)
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{
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return;
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}
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if (!(field.GetValue(nativeItem) is ToolbarItem info))
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{
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return;
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}
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if (info.Priority < 0)
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{
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newLeftButtons.Add(nativeItem);
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}
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else
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{
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newRightButtons.Add(nativeItem);
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}
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}
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foreach (var nativeItem in leftNativeButtons)
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{
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newLeftButtons.Add(nativeItem);
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}
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navigationItem.RightBarButtonItems = newRightButtons.ToArray();
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navigationItem.LeftBarButtonItems = newLeftButtons.ToArray();
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}
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}
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}
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