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Merge ntacheva-patch-1-1907 into production #1910

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Feb 2, 2024
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Merge ntacheva-patch-1-1907 into production #1910

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26 changes: 12 additions & 14 deletions components/filemanager/events.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,8 +56,7 @@ The `OnRead` event fires when the data source is read. Its event handler receive
````CSHTML
@using System.IO

<TelerikFileManager Data="@FileManagerData"
@bind-Path="@DirectoryPath"
<TelerikFileManager @bind-Path="@DirectoryPath"
Height="400px"
IdField="MyModelId"
NameField="Name"
Expand All @@ -79,19 +78,18 @@ The `OnRead` event fires when the data source is read. Its event handler receive
</TelerikFileManager>

@code {
private List<FlatFileEntry> FileManagerData = new List<FlatFileEntry>();
private List<FlatFileEntry> SourceData = new List<FlatFileEntry>();

private string RootPath { get; set; } = "root-folder-path";
private string DirectoryPath { get; set; } = "root-folder-path";

private async Task OnRead(FileManagerReadEventArgs args)
{
await GetFlatFileEntries();

args.Data = FileManagerData;
args.Total = FileManagerData.Count;
await Task.Delay(500);

await Task.Yield();
//here you can pass only the files for the current directory, so you don't load the whole data collection
args.Data = SourceData;
args.Total = SourceData.Count;
}

private async Task OnUpdateHandler(FileManagerUpdateEventArgs args)
Expand All @@ -111,7 +109,7 @@ The `OnRead` event fires when the data source is read. Its event handler receive
var fullName = extension.Length > 0 && name.EndsWith(extension) ?
name : $"{name}{extension}";

var updatedItem = FileManagerData.FirstOrDefault(x => x.MyModelId == item.MyModelId);
var updatedItem = SourceData.FirstOrDefault(x => x.MyModelId == item.MyModelId);

updatedItem.Name = item.Name;
updatedItem.Path = Path.Combine(DirectoryPath, fullName);
Expand All @@ -137,10 +135,10 @@ The `OnRead` event fires when the data source is read. Its event handler receive
{
var currItem = args.Item as FlatFileEntry;

var itemToDelete = FileManagerData.FirstOrDefault(x => x.MyModelId == currItem.MyModelId);
var itemToDelete = SourceData.FirstOrDefault(x => x.MyModelId == currItem.MyModelId);

//simulate item deletion
FileManagerData.Remove(itemToDelete);
SourceData.Remove(itemToDelete);

RefreshData();
}
Expand All @@ -163,13 +161,13 @@ The `OnRead` event fires when the data source is read. Its event handler receive

private void RefreshData()
{
FileManagerData = new List<FlatFileEntry>(FileManagerData);
SourceData = new List<FlatFileEntry>(SourceData);
}

// fetch the FileManager data
protected override async Task OnInitializedAsync()
{
FileManagerData = await GetFlatFileEntries();
SourceData = await GetFlatFileEntries();
}

// a model to bind the FileManager. Should usually be in its own separate location.
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