public async Task <List <string> > GetFilesAsync()
{
if (_files == null)
{
_files = await ImageSelectionInfo.ReadFilesAsync(FolderGuid, SubFolder, FileType);
}
return(_files);
}
private static async Task <List <string> > ReadFilePathsAsync(Guid folderGuid, string subFolder, string fileType)
{
List <string> files = new List <string>();
string storagePath = ImageSelectionInfo.StoragePath(folderGuid, subFolder, fileType);
if (await FileSystem.FileSystemProvider.DirectoryExistsAsync(storagePath))
{
files = await FileSystem.FileSystemProvider.GetFilesAsync(storagePath);
}
files = (from f in files where !f.EndsWith(".webp-gen") select f).ToList();
return(files);
}
public async Task <string> RenderAsync(string model)
{
HtmlBuilder hb = new HtmlBuilder();
ImageSelectionInfo info = GetSiblingProperty <ImageSelectionInfo>($"{PropertyName}_Info");
hb.Append($@"
<div id='{ControlId}' class='yt_imagerepository_imageselection'>
{await HtmlHelper.ForEditComponentAsync(Container, PropertyName, model, "Hidden", HtmlAttributes: new { __NoTemplate = true }, Validation: true)}
<div class='t_imgarea'>
<div class='t_list'>
<select class='t_native' name='List' size='10' style='height:{info.PreviewHeight}px'>");
string modelPlain = model?.RemoveStartingAt(YetaWF.Core.Image.ImageSupport.ImageSeparator);
foreach (var f in await info.GetFilesAsync())
{
string fPlain = f.RemoveStartingAt(YetaWF.Core.Image.ImageSupport.ImageSeparator);
string sel = fPlain == modelPlain ? " selected" : "";
hb.Append($@"<option title='{HAE(fPlain)}' value='{HAE(f)}' {sel}>{HE(fPlain)}</option>");
}
hb.Append($@"
</select>
</div>
<div class='t_preview'>
<img src='{HAE(info.MakeImageUrl(model, info.PreviewWidth, info.PreviewHeight))}' alt='{__ResStr("preview", "Image Preview")}' />
</div>
</div>
<div class='t_haveimage' {(string.IsNullOrWhiteSpace(model) ? "style='display:none'" : "")}>
{await HtmlHelper.ForDisplayAsync(info, nameof(info.ClearImageButton))}
{await HtmlHelper.ForDisplayAsync(info, nameof(info.RemoveImageButton))}
</div>
<div class='t_uploadarea'>
{await HtmlHelper.ForEditAsync(info, nameof(info.FileUpload1))}
</div>
</div>");
Manager.ScriptManager.AddLast($@"new YetaWF_ImageRepository.ImageRepository('{ControlId}');");
return(hb.ToString());
}
