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Extended observable collection for bulk addrange

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This commit is contained in:
Kyle Spearrin 2016-05-18 20:29:03 -04:00
parent 11f908aab2
commit c4161ac5a5
4 changed files with 45 additions and 18 deletions
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1
src/App/App.csproj
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@ -124,6 +124,7 @@
<Compile Include="Pages\VaultEditSitePage.cs" />
<Compile Include="Pages\VaultListSitesPage.cs" />
<Compile Include="Utilities\Extentions.cs" />
<Compile Include="Utilities\ExtendedObservableCollection.cs" />
<Compile Include="Utilities\TokenHttpRequestMessage.cs" />
</ItemGroup>
<ItemGroup>

12
src/App/Models/Page/VaultListPageModel.cs
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@ -1,7 +1,8 @@
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using Bit.App.Resources;
using Bit.App.Utilities;
using System.Linq;
namespace Bit.App.Models.Page
{
@ -27,14 +28,12 @@ namespace Bit.App.Models.Page
public string Uri { get; set; }
}
public class Folder : ObservableCollection<Site>
public class Folder : List<Site>
{
public Folder(IEnumerable<Models.Site> sites, string folderId = null)
{
foreach(var site in sites)
{
Items.Add(new Site(site, folderId));
}
var pageSites = sites.Select(s => new Site(s, folderId));
AddRange(pageSites);
}
public Folder(Models.Folder folder, IEnumerable<Models.Site> sites)
@ -46,7 +45,6 @@ namespace Bit.App.Models.Page
public string Id { get; set; }
public string Name { get; set; } = AppResources.FolderNone;
public string FirstLetter { get { return Name.Substring(0, 1); } }
}
}
}

17
src/App/Pages/VaultListSitesPage.cs
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@ -9,6 +9,7 @@ using Bit.App.Models.Page;
using Bit.App.Resources;
using Xamarin.Forms;
using XLabs.Ioc;
using Bit.App.Utilities;
namespace Bit.App.Pages
{
@ -29,7 +30,7 @@ namespace Bit.App.Pages
Init();
}
public ObservableCollection<VaultListPageModel.Folder> Folders { get; private set; } = new ObservableCollection<VaultListPageModel.Folder>();
public ExtendedObservableCollection<VaultListPageModel.Folder> Folders { get; private set; } = new ExtendedObservableCollection<VaultListPageModel.Folder>();
private void Init()
{
@ -59,20 +60,14 @@ namespace Bit.App.Pages
private async Task LoadFoldersAsync()
{
Folders.Clear();
var folders = await _folderService.GetAllAsync();
var sites = await _siteService.GetAllAsync();
foreach(var folder in folders)
{
var f = new VaultListPageModel.Folder(folder, sites.Where(s => s.FolderId == folder.Id));
Folders.Add(f);
}
// add the sites with no folder
var pageFolders = folders.Select(f => new VaultListPageModel.Folder(f, sites.Where(s => s.FolderId == f.Id))).ToList();
var noneFolder = new VaultListPageModel.Folder(sites.Where(s => s.FolderId == null));
Folders.Add(noneFolder);
pageFolders.Add(noneFolder);
Folders.Reset(pageFolders);
}
private void SiteSelected(object sender, SelectedItemChangedEventArgs e)

33
src/App/Utilities/ExtendedObservableCollection.cs Normal file
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@ -0,0 +1,33 @@
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.ComponentModel;
namespace Bit.App.Utilities
{
public class ExtendedObservableCollection<T> : ObservableCollection<T>
{
public ExtendedObservableCollection() : base() { }
public ExtendedObservableCollection(IEnumerable<T> collection) : base(collection) { }
public ExtendedObservableCollection(List<T> list) : base(list) { }
public void AddRange(IEnumerable<T> range)
{
foreach(var item in range)
{
Items.Add(item);
}
OnPropertyChanged(new PropertyChangedEventArgs("Count"));
OnPropertyChanged(new PropertyChangedEventArgs("Item[]"));
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
}
public void Reset(IEnumerable<T> range)
{
Items.Clear();
AddRange(range);
}
}
}