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Improve download/print state handling and toolbar UI

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Added `IsDownloading` and `IsPrinting` properties to manage
state during download and print operations in
`SenderPdfImageEditor.razor` and `SenderPdfImageEditorToolbar.razor`.
Updated `OnDownloadPdfAsync` and `OnPrintPdfAsync` to ensure
state cleanup with `finally` blocks.

Enhanced toolbar buttons to reflect busy states with dynamic
titles, disabled states, and a spinning animation. Updated
CSS in `envelope-viewer.css` to improve layout, spacing,
and responsiveness. Added hover, active, and focus-visible
styles for better interactivity. Styled a new zoom slider
with custom thumb and focus states.

Increased maximum width of key elements to 1040px and
adjusted padding/margin for better alignment. Improved
focus styles for input fields and aligned actions to the
right in specific scenarios.
This commit is contained in:
tekh
2026-09-30 17:09:33 +02:00
parent 0f167d731e
commit bf739c1360
3 changed files with 169 additions and 50 deletions
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60
EnvelopeGenerator.Server/EnvelopeGenerator.Server.Client/Components/PdfEditor/SenderPdfImageEditor.razor
View File

@@ -26,6 +26,8 @@
SetZoomPercent="OnSetZoomPercentAsync"
CanDownloadPdf="@CanDownloadPdf"
CanPrintPdf="@CanPrintPdf"
IsDownloading="@_isDownloading"
IsPrinting="@_isPrinting"
DownloadPdf="OnDownloadPdfAsync"
PrintPdf="OnPrintPdfAsync" />
</div>
@@ -147,6 +149,8 @@
private int _currentPage = 1;
private int _zoomPercent = 112;
private bool _zoomOverrideInitialized;
private bool _isDownloading;
private bool _isPrinting;
private const int MinZoomPercent = 50;
private const int MaxZoomPercent = 300;
@@ -382,33 +386,55 @@
private async Task OnDownloadPdfAsync()
{
if (string.IsNullOrWhiteSpace(PdfDataUrl))
if (string.IsNullOrWhiteSpace(PdfDataUrl) || _isDownloading || _isPrinting)
return;
var fallbackName = string.IsNullOrWhiteSpace(PdfFileName)
? "document.pdf"
: PdfFileName;
_isDownloading = true;
await InvokeAsync(StateHasChanged);
var fileName = fallbackName.EndsWith(".pdf", StringComparison.OrdinalIgnoreCase)
? fallbackName
: $"{fallbackName}.pdf";
try
{
var fallbackName = string.IsNullOrWhiteSpace(PdfFileName)
? "document.pdf"
: PdfFileName;
await JSRuntime.InvokeVoidAsync(
"envelopeEditor.downloadDataUrlAsFile",
PdfDataUrl,
fileName,
"application/pdf");
var fileName = fallbackName.EndsWith(".pdf", StringComparison.OrdinalIgnoreCase)
? fallbackName
: $"{fallbackName}.pdf";
await JSRuntime.InvokeVoidAsync(
"envelopeEditor.downloadDataUrlAsFile",
PdfDataUrl,
fileName,
"application/pdf");
}
finally
{
_isDownloading = false;
await InvokeAsync(StateHasChanged);
}
}
private async Task OnPrintPdfAsync()
{
if (string.IsNullOrWhiteSpace(PdfDataUrl))
if (string.IsNullOrWhiteSpace(PdfDataUrl) || _isPrinting || _isDownloading)
return;
await JSRuntime.InvokeVoidAsync(
"envelopeEditor.printDataUrlPdf",
PdfDataUrl,
"application/pdf");
_isPrinting = true;
await InvokeAsync(StateHasChanged);
try
{
await JSRuntime.InvokeVoidAsync(
"envelopeEditor.printDataUrlPdf",
PdfDataUrl,
"application/pdf");
}
finally
{
_isPrinting = false;
await InvokeAsync(StateHasChanged);
}
}
private void OnEditorMouseUp(MouseEventArgs args)

18
EnvelopeGenerator.Server/EnvelopeGenerator.Server.Client/Components/PdfEditor/SenderPdfImageEditorToolbar.razor
View File

@@ -86,7 +86,11 @@
</div>
<div class="sender-image-toolbar__group sender-image-toolbar__group--actions" role="group" aria-label="Document actions">
<button type="button" class="sender-image-toolbar__icon-btn" title="Print" disabled="@(!CanPrintPdf)" @onclick="PrintPdfAsync">
<button type="button"
class="sender-image-toolbar__icon-btn @(IsPrinting ? "sender-image-toolbar__icon-btn--busy" : string.Empty)"
title="@(IsPrinting ? "Preparing print..." : "Print")"
disabled="@(!CanPrintPdf || IsPrinting || IsDownloading)"
@onclick="PrintPdfAsync">
<svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 24 24" fill="none" aria-hidden="true">
<path d="M7 9V4H17V9" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
<rect x="5" y="9" width="14" height="8" rx="2" stroke="currentColor" stroke-width="2" />
@@ -94,7 +98,11 @@
</svg>
</button>
<button type="button" class="sender-image-toolbar__icon-btn" title="Download PDF" disabled="@(!CanDownloadPdf)" @onclick="DownloadPdfAsync">
<button type="button"
class="sender-image-toolbar__icon-btn @(IsDownloading ? "sender-image-toolbar__icon-btn--busy" : string.Empty)"
title="@(IsDownloading ? "Preparing download..." : "Download PDF")"
disabled="@(!CanDownloadPdf || IsDownloading || IsPrinting)"
@onclick="DownloadPdfAsync">
<svg xmlns="http://www.w3.org/2000/svg" width="22" height="22" viewBox="0 0 24 24" fill="none" aria-hidden="true">
<path d="M12 4V14" stroke="currentColor" stroke-width="2" stroke-linecap="round" />
<path d="M8 10L12 14L16 10" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
@@ -153,6 +161,12 @@
[Parameter]
public bool CanPrintPdf { get; set; }
[Parameter]
public bool IsDownloading { get; set; }
[Parameter]
public bool IsPrinting { get; set; }
[Parameter]
public EventCallback DownloadPdf { get; set; }