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Workaround for off-screen draw bug in XF4.5+ (#1447)

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* workaround for off-screen draw bug in xf4.5+

* check cols even if orgId is present
This commit is contained in:
Matt Portune 2021-06-30 17:46:59 -04:00 committed by GitHub
parent 382e547f74
commit 05e8da4bcc
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 29 additions and 3 deletions
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5
src/App/Pages/Vault/AddEditPage.xaml
View File

@ -710,7 +710,10 @@
</StackLayout>
<BoxView StyleClass="box-row-separator" />
</StackLayout>
<controls:RepeaterView ItemsSource="{Binding Collections}" IsVisible="{Binding HasCollections}">
<controls:RepeaterView
x:Name="_collectionsRepeaterView"
ItemsSource="{Binding Collections}"
IsVisible="{Binding HasCollections}">
<controls:RepeaterView.ItemTemplate>
<DataTemplate x:DataType="pages:CollectionViewModel">
<StackLayout Spacing="0" Padding="0">

2
src/App/Pages/Vault/AddEditPage.xaml.cs
View File

@ -47,6 +47,7 @@ namespace Bit.App.Pages
_vm.CipherId = cipherId;
_vm.FolderId = folderId == "none" ? null : folderId;
_vm.CollectionIds = collectionId != null ? new HashSet<string>(new List<string> { collectionId }) : null;
_vm.CollectionsRepeaterView = _collectionsRepeaterView;
_vm.Type = type;
_vm.DefaultName = name ?? appOptions?.SaveName;
_vm.DefaultUri = uri ?? appOptions?.Uri;
@ -158,6 +159,7 @@ namespace Bit.App.Pages
{
RequestFocus(_nameEntry);
}
_scrollView.Scrolled += (sender, args) => _vm.HandleScroll();
});
}

25
src/App/Pages/Vault/AddEditPageViewModel.cs
View File

@ -1,4 +1,5 @@
using Bit.App.Abstractions;
using System;
using Bit.App.Abstractions;
using Bit.App.Models;
using Bit.App.Resources;
using Bit.Core.Abstractions;
@ -9,6 +10,7 @@ using Bit.Core.Utilities;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Bit.App.Controls;
using Xamarin.Forms;
using View = Xamarin.Forms.View;
@ -39,6 +41,7 @@ namespace Bit.App.Pages
private int _ownershipSelectedIndex;
private bool _hasCollections;
private string _previousCipherId;
private DateTime _lastHandledScrollTime;
private List<Core.Models.View.CollectionView> _writeableCollections;
private string[] _additionalCipherProperties = new string[]
{
@ -166,6 +169,7 @@ namespace Bit.App.Pages
public ExtendedObservableCollection<LoginUriView> Uris { get; set; }
public ExtendedObservableCollection<AddEditPageFieldViewModel> Fields { get; set; }
public ExtendedObservableCollection<CollectionViewModel> Collections { get; set; }
public RepeaterView CollectionsRepeaterView { get; set; }
public int TypeSelectedIndex
{
get => _typeSelectedIndex;
@ -800,13 +804,30 @@ namespace Bit.App.Pages
{
var cols = _writeableCollections.Where(c => c.OrganizationId == Cipher.OrganizationId)
.Select(c => new CollectionViewModel { Collection = c }).ToList();
HasCollections = cols.Any();
Collections.ResetWithRange(cols);
Collections = new ExtendedObservableCollection<CollectionViewModel>(cols);
}
else
{
HasCollections = false;
Collections.ResetWithRange(new List<CollectionViewModel>());
Collections = new ExtendedObservableCollection<CollectionViewModel>(new List<CollectionViewModel>());
}
HasCollections = Collections.Any();
}
public void HandleScroll()
{
// workaround for https://github.com/xamarin/Xamarin.Forms/issues/13607
// required for org ownership/collections to render properly in XF4.5+
if (!HasCollections ||
EditMode ||
(DateTime.Now - _lastHandledScrollTime < TimeSpan.FromMilliseconds(200)))
{
return;
}
CollectionsRepeaterView.ItemsSource = Collections;
_lastHandledScrollTime = DateTime.Now;
}
private void TriggerCipherChanged()