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added a menu option to download pdf files #1277

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added a menu option to download pdf files #1277

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1 change: 1 addition & 0 deletions blazorbootstrap/Components/PdfViewer/PdfViewer.razor
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@
<li><span class="dropdown-item d-flex align-items-center" role="button" @onclick="FirstPageAsync"><Icon Class="mx-2" Name="IconName.ChevronBarUp" Size="IconSize.x5" /> Go to First Page</span></li>
<li><span class="dropdown-item d-flex align-items-center" role="button" @onclick="LastPageAsync"><Icon Class="mx-2" Name="IconName.ChevronBarDown" Size="IconSize.x5" /> Go to Last Page</span></li>
<li><span class="dropdown-item d-flex align-items-center" role="button" @onclick="ResetZoomAsync"><Icon Class="mx-2" Name="IconName.PlusSlashMinus" Size="IconSize.x5" /> Reset Zoom</span></li>
<li><span class="dropdown-item d-flex align-items-center" role="button" @onclick="DownloadPdf"><Icon Class="mx-2" Name="IconName.Download" Size="IconSize.x5" /> Download</span></li>
</ul>
</div>
</div>
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4 changes: 4 additions & 0 deletions blazorbootstrap/Components/PdfViewer/PdfViewer.razor.cs
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Expand Up @@ -225,6 +225,10 @@ private async Task ZoomOutAsync()
await PdfViewerJsInterop!.ZoomInOutAsync(objRef!, Id!, scale);
}

private async Task DownloadPdf()
{
await PdfViewerJsInterop!.DownloadPdfAsync(Url);
}
#endregion

#region Properties, Indexers
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7 changes: 6 additions & 1 deletion blazorbootstrap/Components/PdfViewer/PdfViewerJsInterop.cs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
namespace BlazorBootstrap;

namespace BlazorBootstrap;

public class PdfViewerJsInterop : JsInteropBase
{
Expand Down Expand Up @@ -58,5 +59,9 @@ public async Task ZoomInOutAsync(object objRef, string elementId, double scale)
await SafeInvokeVoidAsync("zoomInOut", objRef, elementId, scale);
}

public async Task DownloadPdfAsync(string fileUrl)
{
await SafeInvokeVoidAsync("downloadPdf", fileUrl);
}
#endregion
}
8 changes: 8 additions & 0 deletions blazorbootstrap/wwwroot/blazor.bootstrap.pdf.js
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Expand Up @@ -182,6 +182,14 @@ export function zoomInOut(dotNetHelper, elementId, scale) {
queueRenderPage(pdf, pdf.pageNum);
}

export function downloadPdf(fileUrl) {
const link = document.createElement('a');
link.href = fileUrl;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}

// resize
// print
// download
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