First results converting receiver-ui-react into a Blazor Web App
This commit is contained in:
OlgunR
13
EnvelopeGenerator.ReceiverUIBlazor/App.razor
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13
EnvelopeGenerator.ReceiverUIBlazor/App.razor
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@@ -0,0 +1,13 @@
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@using Microsoft.AspNetCore.Components.Routing
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<Router AppAssembly="@typeof(App).Assembly">
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<Found Context="routeData">
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<RouteView RouteData="routeData" DefaultLayout="typeof(MainLayout)" />
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<FocusOnNavigate RouteData="routeData" Selector="h1" />
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</Found>
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<NotFound>
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<LayoutView Layout="typeof(MainLayout)">
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<p role="alert">Sorry, there's nothing at this address.</p>
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</LayoutView>
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</NotFound>
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</Router>
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@@ -1,20 +0,0 @@
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<base href="/" />
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<link rel="stylesheet" href="bootstrap/bootstrap.min.css" />
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<link rel="stylesheet" href="app.css" />
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<link rel="stylesheet" href="EnvelopeGenerator.ReceiverUIBlazor.styles.css" />
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<link rel="icon" type="image/png" href="favicon.png" />
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<HeadOutlet />
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</head>
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<body>
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<Routes />
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<script src="_framework/blazor.web.js"></script>
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</body>
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</html>
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@@ -1,23 +0,0 @@
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@inherits LayoutComponentBase
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<div class="page">
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<div class="sidebar">
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<NavMenu />
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</div>
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<main>
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<div class="top-row px-4">
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<a href="https://learn.microsoft.com/aspnet/core/" target="_blank">About</a>
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</div>
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<article class="content px-4">
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@Body
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</article>
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</main>
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</div>
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<div id="blazor-error-ui">
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An unhandled error has occurred.
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<a href="" class="reload">Reload</a>
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<a class="dismiss">🗙</a>
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</div>
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@@ -1,96 +0,0 @@
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.page {
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position: relative;
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display: flex;
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flex-direction: column;
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}
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main {
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flex: 1;
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}
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.sidebar {
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background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
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}
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.top-row {
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background-color: #f7f7f7;
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border-bottom: 1px solid #d6d5d5;
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justify-content: flex-end;
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height: 3.5rem;
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display: flex;
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align-items: center;
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}
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.top-row ::deep a, .top-row ::deep .btn-link {
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white-space: nowrap;
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margin-left: 1.5rem;
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text-decoration: none;
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}
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.top-row ::deep a:hover, .top-row ::deep .btn-link:hover {
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text-decoration: underline;
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}
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.top-row ::deep a:first-child {
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overflow: hidden;
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text-overflow: ellipsis;
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}
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@media (max-width: 640.98px) {
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.top-row {
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justify-content: space-between;
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}
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.top-row ::deep a, .top-row ::deep .btn-link {
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margin-left: 0;
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}
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}
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@media (min-width: 641px) {
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.page {
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flex-direction: row;
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}
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.sidebar {
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width: 250px;
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height: 100vh;
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position: sticky;
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top: 0;
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}
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.top-row {
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position: sticky;
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top: 0;
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z-index: 1;
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}
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.top-row.auth ::deep a:first-child {
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flex: 1;
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text-align: right;
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width: 0;
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}
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.top-row, article {
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padding-left: 2rem !important;
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padding-right: 1.5rem !important;
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}
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}
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#blazor-error-ui {
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background: lightyellow;
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bottom: 0;
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box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
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display: none;
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left: 0;
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padding: 0.6rem 1.25rem 0.7rem 1.25rem;
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position: fixed;
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width: 100%;
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z-index: 1000;
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}
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#blazor-error-ui .dismiss {
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cursor: pointer;
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position: absolute;
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right: 0.75rem;
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top: 0.5rem;
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}
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@@ -1,30 +0,0 @@
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<div class="top-row ps-3 navbar navbar-dark">
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<div class="container-fluid">
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<a class="navbar-brand" href="">EnvelopeGenerator.ReceiverUIBlazor</a>
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</div>
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</div>
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<input type="checkbox" title="Navigation menu" class="navbar-toggler" />
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<div class="nav-scrollable" onclick="document.querySelector('.navbar-toggler').click()">
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<nav class="flex-column">
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<div class="nav-item px-3">
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<NavLink class="nav-link" href="" Match="NavLinkMatch.All">
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<span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home
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</NavLink>
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</div>
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<div class="nav-item px-3">
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<NavLink class="nav-link" href="counter">
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<span class="bi bi-plus-square-fill-nav-menu" aria-hidden="true"></span> Counter
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</NavLink>
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</div>
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<div class="nav-item px-3">
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<NavLink class="nav-link" href="weather">
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<span class="bi bi-list-nested-nav-menu" aria-hidden="true"></span> Weather
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</NavLink>
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</div>
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</nav>
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</div>
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@@ -1,105 +0,0 @@
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.navbar-toggler {
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appearance: none;
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cursor: pointer;
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width: 3.5rem;
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height: 2.5rem;
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color: white;
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position: absolute;
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top: 0.5rem;
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right: 1rem;
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border: 1px solid rgba(255, 255, 255, 0.1);
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background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") no-repeat center/1.75rem rgba(255, 255, 255, 0.1);
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}
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.navbar-toggler:checked {
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background-color: rgba(255, 255, 255, 0.5);
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}
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.top-row {
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height: 3.5rem;
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background-color: rgba(0,0,0,0.4);
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}
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.navbar-brand {
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font-size: 1.1rem;
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}
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.bi {
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display: inline-block;
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position: relative;
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width: 1.25rem;
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height: 1.25rem;
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margin-right: 0.75rem;
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top: -1px;
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background-size: cover;
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}
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.bi-house-door-fill-nav-menu {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-house-door-fill' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5Z'/%3E%3C/svg%3E");
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}
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.bi-plus-square-fill-nav-menu {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-plus-square-fill' viewBox='0 0 16 16'%3E%3Cpath d='M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2zm6.5 4.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3a.5.5 0 0 1 1 0z'/%3E%3C/svg%3E");
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}
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.bi-list-nested-nav-menu {
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background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-list-nested' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M4.5 11.5A.5.5 0 0 1 5 11h10a.5.5 0 0 1 0 1H5a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 3 7h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 1 3h10a.5.5 0 0 1 0 1H1a.5.5 0 0 1-.5-.5z'/%3E%3C/svg%3E");
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}
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.nav-item {
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font-size: 0.9rem;
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padding-bottom: 0.5rem;
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}
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.nav-item:first-of-type {
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padding-top: 1rem;
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}
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.nav-item:last-of-type {
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padding-bottom: 1rem;
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}
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.nav-item ::deep .nav-link {
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color: #d7d7d7;
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background: none;
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border: none;
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border-radius: 4px;
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height: 3rem;
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display: flex;
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align-items: center;
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line-height: 3rem;
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width: 100%;
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}
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.nav-item ::deep a.active {
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background-color: rgba(255,255,255,0.37);
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color: white;
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}
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.nav-item ::deep .nav-link:hover {
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background-color: rgba(255,255,255,0.1);
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color: white;
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}
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.nav-scrollable {
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display: none;
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}
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.navbar-toggler:checked ~ .nav-scrollable {
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display: block;
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}
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@media (min-width: 641px) {
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.navbar-toggler {
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display: none;
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}
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.nav-scrollable {
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/* Never collapse the sidebar for wide screens */
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display: block;
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/* Allow sidebar to scroll for tall menus */
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height: calc(100vh - 3.5rem);
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overflow-y: auto;
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}
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}
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@@ -1,19 +0,0 @@
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@page "/counter"
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@rendermode InteractiveServer
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<PageTitle>Counter</PageTitle>
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<h1>Counter</h1>
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<p role="status">Current count: @currentCount</p>
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<button class="btn btn-primary" @onclick="IncrementCount">Click me</button>
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@code {
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private int currentCount = 0;
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private void IncrementCount()
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{
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currentCount++;
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}
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}
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@@ -1,36 +0,0 @@
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@page "/Error"
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@using System.Diagnostics
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<PageTitle>Error</PageTitle>
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<h1 class="text-danger">Error.</h1>
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<h2 class="text-danger">An error occurred while processing your request.</h2>
|
||||
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@if (ShowRequestId)
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||||
{
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||||
<p>
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||||
<strong>Request ID:</strong> <code>@RequestId</code>
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</p>
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||||
}
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<h3>Development Mode</h3>
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||||
<p>
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||||
Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
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||||
</p>
|
||||
<p>
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||||
<strong>The Development environment shouldn't be enabled for deployed applications.</strong>
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It can result in displaying sensitive information from exceptions to end users.
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For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
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||||
and restarting the app.
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||||
</p>
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||||
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||||
@code{
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||||
[CascadingParameter]
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private HttpContext? HttpContext { get; set; }
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||||
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||||
private string? RequestId { get; set; }
|
||||
private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
|
||||
|
||||
protected override void OnInitialized() =>
|
||||
RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
|
||||
}
|
||||
@@ -1,7 +0,0 @@
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||||
@page "/"
|
||||
|
||||
<PageTitle>Home</PageTitle>
|
||||
|
||||
<h1>Hello, world!</h1>
|
||||
|
||||
Welcome to your new app.
|
||||
@@ -1,64 +0,0 @@
|
||||
@page "/weather"
|
||||
@attribute [StreamRendering]
|
||||
|
||||
<PageTitle>Weather</PageTitle>
|
||||
|
||||
<h1>Weather</h1>
|
||||
|
||||
<p>This component demonstrates showing data.</p>
|
||||
|
||||
@if (forecasts == null)
|
||||
{
|
||||
<p><em>Loading...</em></p>
|
||||
}
|
||||
else
|
||||
{
|
||||
<table class="table">
|
||||
<thead>
|
||||
<tr>
|
||||
<th>Date</th>
|
||||
<th>Temp. (C)</th>
|
||||
<th>Temp. (F)</th>
|
||||
<th>Summary</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody>
|
||||
@foreach (var forecast in forecasts)
|
||||
{
|
||||
<tr>
|
||||
<td>@forecast.Date.ToShortDateString()</td>
|
||||
<td>@forecast.TemperatureC</td>
|
||||
<td>@forecast.TemperatureF</td>
|
||||
<td>@forecast.Summary</td>
|
||||
</tr>
|
||||
}
|
||||
</tbody>
|
||||
</table>
|
||||
}
|
||||
|
||||
@code {
|
||||
private WeatherForecast[]? forecasts;
|
||||
|
||||
protected override async Task OnInitializedAsync()
|
||||
{
|
||||
// Simulate asynchronous loading to demonstrate streaming rendering
|
||||
await Task.Delay(500);
|
||||
|
||||
var startDate = DateOnly.FromDateTime(DateTime.Now);
|
||||
var summaries = new[] { "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching" };
|
||||
forecasts = Enumerable.Range(1, 5).Select(index => new WeatherForecast
|
||||
{
|
||||
Date = startDate.AddDays(index),
|
||||
TemperatureC = Random.Shared.Next(-20, 55),
|
||||
Summary = summaries[Random.Shared.Next(summaries.Length)]
|
||||
}).ToArray();
|
||||
}
|
||||
|
||||
private class WeatherForecast
|
||||
{
|
||||
public DateOnly Date { get; set; }
|
||||
public int TemperatureC { get; set; }
|
||||
public string? Summary { get; set; }
|
||||
public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
|
||||
}
|
||||
}
|
||||
@@ -1,6 +0,0 @@
|
||||
<Router AppAssembly="typeof(Program).Assembly">
|
||||
<Found Context="routeData">
|
||||
<RouteView RouteData="routeData" DefaultLayout="typeof(Layout.MainLayout)" />
|
||||
<FocusOnNavigate RouteData="routeData" Selector="h1" />
|
||||
</Found>
|
||||
</Router>
|
||||
@@ -1,10 +0,0 @@
|
||||
@using System.Net.Http
|
||||
@using System.Net.Http.Json
|
||||
@using Microsoft.AspNetCore.Components.Forms
|
||||
@using Microsoft.AspNetCore.Components.Routing
|
||||
@using Microsoft.AspNetCore.Components.Web
|
||||
@using static Microsoft.AspNetCore.Components.Web.RenderMode
|
||||
@using Microsoft.AspNetCore.Components.Web.Virtualization
|
||||
@using Microsoft.JSInterop
|
||||
@using EnvelopeGenerator.ReceiverUIBlazor
|
||||
@using EnvelopeGenerator.ReceiverUIBlazor.Components
|
||||
@@ -1,9 +1,13 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk.Web">
|
||||
|
||||
<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
|
||||
<PropertyGroup>
|
||||
<TargetFramework>net8.0</TargetFramework>
|
||||
<Nullable>enable</Nullable>
|
||||
<ImplicitUsings>enable</ImplicitUsings>
|
||||
<AssemblyName>EnvelopeGenerator.ReceiverUIBlazor</AssemblyName>
|
||||
<RootNamespace>EnvelopeGenerator.ReceiverUIBlazor</RootNamespace>
|
||||
</PropertyGroup>
|
||||
|
||||
<ItemGroup>
|
||||
<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly" Version="8.0.0" />
|
||||
<PackageReference Include="Microsoft.AspNetCore.Components.WebAssembly.DevServer" Version="8.0.0" PrivateAssets="all" />
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
|
||||
328
EnvelopeGenerator.ReceiverUIBlazor/Pages/Index.razor
Normal file
328
EnvelopeGenerator.ReceiverUIBlazor/Pages/Index.razor
Normal file
@@ -0,0 +1,328 @@
|
||||
@page "/"
|
||||
@inject IJSRuntime JS
|
||||
|
||||
<h1>Sign PDF (Blazor)</h1>
|
||||
|
||||
<div class="controls">
|
||||
<InputFile OnChange="HandleFileSelected" accept="application/pdf" />
|
||||
<button class="btn" @onclick="ShowSignaturePad" disabled="@(!HasPdf)">Add signature</button>
|
||||
<button class="btn" @onclick="() => ShowTextOverlay(false)" disabled="@(!HasPdf)">Add text</button>
|
||||
<button class="btn" @onclick="() => ShowTextOverlay(true)" disabled="@(!HasPdf)">Add date</button>
|
||||
<button class="btn" @onclick="Reset" disabled="@(!HasPdf)">Reset</button>
|
||||
<button class="btn secondary" @onclick="Download" disabled="@(!HasPdf)">Download</button>
|
||||
</div>
|
||||
|
||||
@if (!HasPdf)
|
||||
{
|
||||
<div class="drop-hint">Drop or select a PDF to start.</div>
|
||||
}
|
||||
|
||||
@if (HasPdf)
|
||||
{
|
||||
<div class="document-shell" @ref="PdfHostRef" style="@($"width:{ViewportWidthPx}px")">
|
||||
<canvas id="pdf-canvas" @ref="PdfCanvasRef"></canvas>
|
||||
|
||||
@if (ShowSignature)
|
||||
{
|
||||
<div class="overlay signature" style="@($"left:{OverlayXpx}px; top:{OverlayYpx}px; width:{OverlayWidthPx}px; height:{OverlayHeightPx}px;")"
|
||||
@onpointerdown="StartDrag" @onpointermove="OnDrag" @onpointerup="EndDrag" @onpointercancel="EndDrag">
|
||||
<div class="overlay-controls">
|
||||
<button class="overlay-btn" @onclick="ApplySignature">✔</button>
|
||||
<button class="overlay-btn" @onclick="CancelOverlay">✖</button>
|
||||
</div>
|
||||
<img src="@SignatureDataUrl" draggable="false" />
|
||||
</div>
|
||||
}
|
||||
@if (ShowText)
|
||||
{
|
||||
<div class="overlay text" style="@($"left:{OverlayXpx}px; top:{OverlayYpx}px;")" @onpointerdown="StartDrag" @onpointermove="OnDrag" @onpointerup="EndDrag" @onpointercancel="EndDrag">
|
||||
<div class="overlay-controls">
|
||||
<button class="overlay-btn" @onclick="ApplyText">✔</button>
|
||||
<button class="overlay-btn" @onclick="CancelOverlay">✖</button>
|
||||
</div>
|
||||
<input class="overlay-input" @bind="TextValue" />
|
||||
</div>
|
||||
}
|
||||
</div>
|
||||
|
||||
<div class="paging">
|
||||
<button class="btn" @onclick="PrevPage" disabled="@(!CanPrev)"><</button>
|
||||
<span>Page @DisplayPage / @PageCount</span>
|
||||
<button class="btn" @onclick="NextPage" disabled="@(!CanNext)">></button>
|
||||
</div>
|
||||
}
|
||||
|
||||
@if (ShowSignaturePadModal)
|
||||
{
|
||||
<div class="modal-backdrop">
|
||||
<div class="modal">
|
||||
<h3>Add signature</h3>
|
||||
<canvas id="@SignatureCanvasId" width="700" height="220"></canvas>
|
||||
<div class="modal-row">
|
||||
<label><input type="checkbox" @bind="AutoDate" /> Auto date/time</label>
|
||||
<button class="btn" @onclick="ClearSignature">Clear</button>
|
||||
<span class="spacer"></span>
|
||||
<button class="btn" @onclick="ConfirmSignature">Use signature</button>
|
||||
<button class="btn secondary" @onclick="CloseSignaturePad">Cancel</button>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
}
|
||||
|
||||
@code {
|
||||
private ElementReference PdfCanvasRef;
|
||||
private ElementReference PdfHostRef;
|
||||
|
||||
private string? PdfBase64;
|
||||
private int PageIndex;
|
||||
private int PageCount;
|
||||
private double ViewportWidthPx = 800;
|
||||
private double ViewportHeightPx;
|
||||
|
||||
private bool ShowSignaturePadModal;
|
||||
private bool ShowSignature;
|
||||
private bool ShowText;
|
||||
private string SignatureCanvasId { get; } = $"sig-{Guid.NewGuid():N}";
|
||||
private string? SignatureDataUrl;
|
||||
private bool AutoDate = true;
|
||||
|
||||
private double OverlayXpx = 20;
|
||||
private double OverlayYpx = 20;
|
||||
private double OverlayWidthPx = 200;
|
||||
private double OverlayHeightPx = 80;
|
||||
private bool IsDragging;
|
||||
private double DragStartX;
|
||||
private double DragStartY;
|
||||
private double StartLeft;
|
||||
private double StartTop;
|
||||
private string TextValue = "Text";
|
||||
|
||||
private bool HasPdf => !string.IsNullOrWhiteSpace(PdfBase64);
|
||||
private int DisplayPage => PageIndex + 1;
|
||||
private bool CanPrev => PageIndex > 0;
|
||||
private bool CanNext => PageIndex + 1 < PageCount;
|
||||
|
||||
protected override async Task OnAfterRenderAsync(bool firstRender)
|
||||
{
|
||||
if (firstRender)
|
||||
{
|
||||
await JS.InvokeVoidAsync("pdfInterop.ensureReady");
|
||||
}
|
||||
|
||||
if (ShowSignaturePadModal)
|
||||
{
|
||||
await JS.InvokeVoidAsync("pdfInterop.initSignaturePad", SignatureCanvasId);
|
||||
}
|
||||
}
|
||||
|
||||
private async Task HandleFileSelected(InputFileChangeEventArgs e)
|
||||
{
|
||||
if (e.FileCount == 0)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
var file = e.File;
|
||||
await using var stream = file.OpenReadStream(maxAllowedSize: 20 * 1024 * 1024);
|
||||
using var ms = new MemoryStream();
|
||||
await stream.CopyToAsync(ms);
|
||||
PdfBase64 = Convert.ToBase64String(ms.ToArray());
|
||||
|
||||
var result = await JS.InvokeAsync<RenderResult>("pdfInterop.loadPdf", PdfBase64);
|
||||
PageCount = result.Pages;
|
||||
PageIndex = 0;
|
||||
|
||||
await RenderPage();
|
||||
}
|
||||
|
||||
private async Task RenderPage()
|
||||
{
|
||||
if (!HasPdf)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
var viewport = await JS.InvokeAsync<ViewportInfo>("pdfInterop.renderPage", PageIndex, "pdf-canvas", ViewportWidthPx);
|
||||
ViewportWidthPx = viewport.Width;
|
||||
ViewportHeightPx = viewport.Height;
|
||||
StateHasChanged();
|
||||
}
|
||||
|
||||
private void Reset()
|
||||
{
|
||||
PdfBase64 = null;
|
||||
PageIndex = 0;
|
||||
PageCount = 0;
|
||||
ViewportHeightPx = 0;
|
||||
CloseOverlays();
|
||||
}
|
||||
|
||||
private void CloseOverlays()
|
||||
{
|
||||
ShowSignature = false;
|
||||
ShowText = false;
|
||||
SignatureDataUrl = null;
|
||||
}
|
||||
|
||||
private void ShowSignaturePad()
|
||||
{
|
||||
ShowSignaturePadModal = true;
|
||||
}
|
||||
|
||||
private async Task ConfirmSignature()
|
||||
{
|
||||
SignatureDataUrl = await JS.InvokeAsync<string>("pdfInterop.getSignatureDataUrl", SignatureCanvasId);
|
||||
if (string.IsNullOrWhiteSpace(SignatureDataUrl))
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
OverlayWidthPx = 200;
|
||||
OverlayHeightPx = 80;
|
||||
OverlayXpx = 20;
|
||||
OverlayYpx = 20;
|
||||
ShowSignature = true;
|
||||
ShowText = false;
|
||||
ShowSignaturePadModal = false;
|
||||
}
|
||||
|
||||
private void CloseSignaturePad()
|
||||
{
|
||||
ShowSignaturePadModal = false;
|
||||
}
|
||||
|
||||
private void ClearSignature()
|
||||
{
|
||||
JS.InvokeVoidAsync("pdfInterop.clearSignaturePad", SignatureCanvasId);
|
||||
}
|
||||
|
||||
private void ShowTextOverlay(bool autoDate)
|
||||
{
|
||||
TextValue = autoDate ? DateTimeOffset.Now.ToString("M/d/yyyy HH:mm:ss zzz") : "Text";
|
||||
OverlayWidthPx = 240;
|
||||
OverlayHeightPx = 40;
|
||||
OverlayXpx = 20;
|
||||
OverlayYpx = 20;
|
||||
ShowText = true;
|
||||
ShowSignature = false;
|
||||
}
|
||||
|
||||
private void StartDrag(PointerEventArgs args)
|
||||
{
|
||||
IsDragging = true;
|
||||
DragStartX = args.ClientX;
|
||||
DragStartY = args.ClientY;
|
||||
StartLeft = OverlayXpx;
|
||||
StartTop = OverlayYpx;
|
||||
}
|
||||
|
||||
private void OnDrag(PointerEventArgs args)
|
||||
{
|
||||
if (!IsDragging)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
var dx = args.ClientX - DragStartX;
|
||||
var dy = args.ClientY - DragStartY;
|
||||
OverlayXpx = StartLeft + dx;
|
||||
OverlayYpx = StartTop + dy;
|
||||
StateHasChanged();
|
||||
}
|
||||
|
||||
private void EndDrag(PointerEventArgs args)
|
||||
{
|
||||
IsDragging = false;
|
||||
}
|
||||
|
||||
private async Task ApplySignature()
|
||||
{
|
||||
if (SignatureDataUrl is null || !HasPdf)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
PdfBase64 = await JS.InvokeAsync<string>("pdfInterop.applySignature", new
|
||||
{
|
||||
base64 = PdfBase64,
|
||||
pageIndex = PageIndex,
|
||||
left = OverlayXpx,
|
||||
top = OverlayYpx,
|
||||
width = OverlayWidthPx,
|
||||
height = OverlayHeightPx,
|
||||
renderWidth = ViewportWidthPx,
|
||||
renderHeight = ViewportHeightPx,
|
||||
dataUrl = SignatureDataUrl,
|
||||
autoDate = AutoDate,
|
||||
});
|
||||
|
||||
CloseOverlays();
|
||||
await RenderPage();
|
||||
}
|
||||
|
||||
private async Task ApplyText()
|
||||
{
|
||||
if (string.IsNullOrWhiteSpace(TextValue) || !HasPdf)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
PdfBase64 = await JS.InvokeAsync<string>("pdfInterop.applyText", new
|
||||
{
|
||||
base64 = PdfBase64,
|
||||
pageIndex = PageIndex,
|
||||
left = OverlayXpx,
|
||||
top = OverlayYpx,
|
||||
width = OverlayWidthPx,
|
||||
height = OverlayHeightPx,
|
||||
renderWidth = ViewportWidthPx,
|
||||
renderHeight = ViewportHeightPx,
|
||||
text = TextValue,
|
||||
fontSize = 20,
|
||||
});
|
||||
|
||||
CloseOverlays();
|
||||
await RenderPage();
|
||||
}
|
||||
|
||||
private void CancelOverlay()
|
||||
{
|
||||
CloseOverlays();
|
||||
}
|
||||
|
||||
private async Task PrevPage()
|
||||
{
|
||||
if (!CanPrev)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
PageIndex--;
|
||||
await RenderPage();
|
||||
}
|
||||
|
||||
private async Task NextPage()
|
||||
{
|
||||
if (!CanNext)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
PageIndex++;
|
||||
await RenderPage();
|
||||
}
|
||||
|
||||
private async Task Download()
|
||||
{
|
||||
if (!HasPdf)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
await JS.InvokeVoidAsync("pdfInterop.downloadPdf", PdfBase64, "document-signed.pdf");
|
||||
}
|
||||
|
||||
private record RenderResult(int Pages);
|
||||
|
||||
private record ViewportInfo(double Width, double Height, double PageWidth, double PageHeight);
|
||||
}
|
||||
@@ -1,27 +1,11 @@
|
||||
using EnvelopeGenerator.ReceiverUIBlazor.Components;
|
||||
using Microsoft.AspNetCore.Components.Web;
|
||||
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
|
||||
using EnvelopeGenerator.ReceiverUIBlazor;
|
||||
|
||||
var builder = WebApplication.CreateBuilder(args);
|
||||
var builder = WebAssemblyHostBuilder.CreateDefault(args);
|
||||
builder.RootComponents.Add<App>("#app");
|
||||
builder.RootComponents.Add<HeadOutlet>("head::after");
|
||||
|
||||
// Add services to the container.
|
||||
builder.Services.AddRazorComponents()
|
||||
.AddInteractiveServerComponents();
|
||||
builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });
|
||||
|
||||
var app = builder.Build();
|
||||
|
||||
// Configure the HTTP request pipeline.
|
||||
if (!app.Environment.IsDevelopment())
|
||||
{
|
||||
app.UseExceptionHandler("/Error", createScopeForErrors: true);
|
||||
// The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
|
||||
app.UseHsts();
|
||||
}
|
||||
|
||||
app.UseHttpsRedirection();
|
||||
|
||||
app.UseStaticFiles();
|
||||
app.UseAntiforgery();
|
||||
|
||||
app.MapRazorComponents<App>()
|
||||
.AddInteractiveServerRenderMode();
|
||||
|
||||
app.Run();
|
||||
await builder.Build().RunAsync();
|
||||
|
||||
@@ -1,38 +0,0 @@
|
||||
{
|
||||
"$schema": "http://json.schemastore.org/launchsettings.json",
|
||||
"iisSettings": {
|
||||
"windowsAuthentication": false,
|
||||
"anonymousAuthentication": true,
|
||||
"iisExpress": {
|
||||
"applicationUrl": "http://localhost:41673",
|
||||
"sslPort": 44389
|
||||
}
|
||||
},
|
||||
"profiles": {
|
||||
"http": {
|
||||
"commandName": "Project",
|
||||
"dotnetRunMessages": true,
|
||||
"launchBrowser": true,
|
||||
"applicationUrl": "http://localhost:5087",
|
||||
"environmentVariables": {
|
||||
"ASPNETCORE_ENVIRONMENT": "Development"
|
||||
}
|
||||
},
|
||||
"https": {
|
||||
"commandName": "Project",
|
||||
"dotnetRunMessages": true,
|
||||
"launchBrowser": true,
|
||||
"applicationUrl": "https://localhost:7113;http://localhost:5087",
|
||||
"environmentVariables": {
|
||||
"ASPNETCORE_ENVIRONMENT": "Development"
|
||||
}
|
||||
},
|
||||
"IIS Express": {
|
||||
"commandName": "IISExpress",
|
||||
"launchBrowser": true,
|
||||
"environmentVariables": {
|
||||
"ASPNETCORE_ENVIRONMENT": "Development"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
10
EnvelopeGenerator.ReceiverUIBlazor/Shared/MainLayout.razor
Normal file
10
EnvelopeGenerator.ReceiverUIBlazor/Shared/MainLayout.razor
Normal file
@@ -0,0 +1,10 @@
|
||||
@inherits LayoutComponentBase
|
||||
|
||||
<div class="main-layout">
|
||||
<header class="top-bar">
|
||||
<div class="brand">Receiver UI (Blazor)</div>
|
||||
</header>
|
||||
<main class="content">
|
||||
@Body
|
||||
</main>
|
||||
</div>
|
||||
8
EnvelopeGenerator.ReceiverUIBlazor/_Imports.razor
Normal file
8
EnvelopeGenerator.ReceiverUIBlazor/_Imports.razor
Normal file
@@ -0,0 +1,8 @@
|
||||
@using System.Net.Http
|
||||
@using Microsoft.AspNetCore.Components
|
||||
@using Microsoft.AspNetCore.Components.Web
|
||||
@using Microsoft.AspNetCore.Components.Forms
|
||||
@using Microsoft.AspNetCore.Components.WebAssembly.Hosting
|
||||
@using Microsoft.JSInterop
|
||||
@using EnvelopeGenerator.ReceiverUIBlazor
|
||||
@using EnvelopeGenerator.ReceiverUIBlazor.Shared
|
||||
@@ -1,8 +0,0 @@
|
||||
{
|
||||
"Logging": {
|
||||
"LogLevel": {
|
||||
"Default": "Information",
|
||||
"Microsoft.AspNetCore": "Warning"
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -1,9 +0,0 @@
|
||||
{
|
||||
"Logging": {
|
||||
"LogLevel": {
|
||||
"Default": "Information",
|
||||
"Microsoft.AspNetCore": "Warning"
|
||||
}
|
||||
},
|
||||
"AllowedHosts": "*"
|
||||
}
|
||||
@@ -1,51 +0,0 @@
|
||||
html, body {
|
||||
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
|
||||
}
|
||||
|
||||
a, .btn-link {
|
||||
color: #006bb7;
|
||||
}
|
||||
|
||||
.btn-primary {
|
||||
color: #fff;
|
||||
background-color: #1b6ec2;
|
||||
border-color: #1861ac;
|
||||
}
|
||||
|
||||
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
|
||||
box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
|
||||
}
|
||||
|
||||
.content {
|
||||
padding-top: 1.1rem;
|
||||
}
|
||||
|
||||
h1:focus {
|
||||
outline: none;
|
||||
}
|
||||
|
||||
.valid.modified:not([type=checkbox]) {
|
||||
outline: 1px solid #26b050;
|
||||
}
|
||||
|
||||
.invalid {
|
||||
outline: 1px solid #e50000;
|
||||
}
|
||||
|
||||
.validation-message {
|
||||
color: #e50000;
|
||||
}
|
||||
|
||||
.blazor-error-boundary {
|
||||
background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
|
||||
padding: 1rem 1rem 1rem 3.7rem;
|
||||
color: white;
|
||||
}
|
||||
|
||||
.blazor-error-boundary::after {
|
||||
content: "An error has occurred."
|
||||
}
|
||||
|
||||
.darker-border-checkbox.form-check-input {
|
||||
border-color: #929292;
|
||||
}
|
||||
File diff suppressed because one or more lines are too long
File diff suppressed because one or more lines are too long
183
EnvelopeGenerator.ReceiverUIBlazor/wwwroot/css/app.css
Normal file
183
EnvelopeGenerator.ReceiverUIBlazor/wwwroot/css/app.css
Normal file
@@ -0,0 +1,183 @@
|
||||
body {
|
||||
margin: 0;
|
||||
font-family: "Segoe UI", Arial, sans-serif;
|
||||
background: #0f172a;
|
||||
color: #e2e8f0;
|
||||
}
|
||||
|
||||
.main-layout {
|
||||
min-height: 100vh;
|
||||
background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0b1220 100%);
|
||||
}
|
||||
|
||||
.top-bar {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
padding: 12px 20px;
|
||||
background: rgba(255, 255, 255, 0.04);
|
||||
border-bottom: 1px solid rgba(226, 232, 240, 0.08);
|
||||
}
|
||||
|
||||
.top-bar .brand {
|
||||
font-weight: 700;
|
||||
letter-spacing: 0.5px;
|
||||
}
|
||||
|
||||
.content {
|
||||
padding: 24px 32px;
|
||||
}
|
||||
|
||||
h1 {
|
||||
margin-top: 0;
|
||||
margin-bottom: 8px;
|
||||
letter-spacing: 0.3px;
|
||||
}
|
||||
|
||||
.controls {
|
||||
display: flex;
|
||||
gap: 8px;
|
||||
flex-wrap: wrap;
|
||||
align-items: center;
|
||||
margin-bottom: 12px;
|
||||
}
|
||||
|
||||
.btn {
|
||||
background: #22d3ee;
|
||||
color: #0f172a;
|
||||
border: none;
|
||||
padding: 10px 14px;
|
||||
border-radius: 8px;
|
||||
font-weight: 600;
|
||||
cursor: pointer;
|
||||
transition: transform 120ms ease, box-shadow 120ms ease;
|
||||
}
|
||||
|
||||
.btn:hover:not(:disabled) {
|
||||
transform: translateY(-1px);
|
||||
box-shadow: 0 8px 18px rgba(34, 211, 238, 0.25);
|
||||
}
|
||||
|
||||
.btn:disabled {
|
||||
opacity: 0.4;
|
||||
cursor: not-allowed;
|
||||
}
|
||||
|
||||
.btn.secondary {
|
||||
background: rgba(226, 232, 240, 0.12);
|
||||
color: #e2e8f0;
|
||||
border: 1px solid rgba(226, 232, 240, 0.2);
|
||||
}
|
||||
|
||||
.drop-hint {
|
||||
padding: 24px;
|
||||
border: 1px dashed rgba(226, 232, 240, 0.3);
|
||||
border-radius: 12px;
|
||||
text-align: center;
|
||||
color: rgba(226, 232, 240, 0.8);
|
||||
}
|
||||
|
||||
.document-shell {
|
||||
position: relative;
|
||||
margin-top: 12px;
|
||||
border-radius: 12px;
|
||||
overflow: hidden;
|
||||
box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
|
||||
background: #0b1220;
|
||||
border: 1px solid rgba(226, 232, 240, 0.08);
|
||||
}
|
||||
|
||||
canvas {
|
||||
display: block;
|
||||
width: 100%;
|
||||
height: auto;
|
||||
background: #111827;
|
||||
}
|
||||
|
||||
.overlay {
|
||||
position: absolute;
|
||||
border: 2px solid #22d3ee;
|
||||
border-radius: 8px;
|
||||
padding: 6px;
|
||||
background: rgba(15, 23, 42, 0.9);
|
||||
box-shadow: 0 10px 24px rgba(0, 0, 0, 0.35);
|
||||
user-select: none;
|
||||
}
|
||||
|
||||
.overlay.signature img {
|
||||
display: block;
|
||||
max-width: 100%;
|
||||
max-height: 100%;
|
||||
}
|
||||
|
||||
.overlay-controls {
|
||||
position: absolute;
|
||||
top: -36px;
|
||||
right: 0;
|
||||
display: flex;
|
||||
gap: 4px;
|
||||
}
|
||||
|
||||
.overlay-btn {
|
||||
background: #0f172a;
|
||||
color: #22d3ee;
|
||||
border: 1px solid rgba(34, 211, 238, 0.4);
|
||||
border-radius: 6px;
|
||||
padding: 4px 8px;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
.overlay-input {
|
||||
border: none;
|
||||
background: transparent;
|
||||
color: #e2e8f0;
|
||||
font-size: 18px;
|
||||
padding: 4px;
|
||||
min-width: 160px;
|
||||
outline: none;
|
||||
}
|
||||
|
||||
.paging {
|
||||
margin-top: 12px;
|
||||
display: flex;
|
||||
gap: 10px;
|
||||
align-items: center;
|
||||
}
|
||||
|
||||
.modal-backdrop {
|
||||
position: fixed;
|
||||
top: 0;
|
||||
left: 0;
|
||||
right: 0;
|
||||
bottom: 0;
|
||||
background: rgba(0, 0, 0, 0.65);
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
z-index: 2000;
|
||||
}
|
||||
|
||||
.modal {
|
||||
background: #0f172a;
|
||||
border: 1px solid rgba(226, 232, 240, 0.08);
|
||||
border-radius: 12px;
|
||||
padding: 16px;
|
||||
min-width: 760px;
|
||||
box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
|
||||
}
|
||||
|
||||
.modal-row {
|
||||
display: flex;
|
||||
align-items: center;
|
||||
gap: 10px;
|
||||
margin-top: 10px;
|
||||
}
|
||||
|
||||
.modal canvas {
|
||||
background: #0b1220;
|
||||
border: 1px solid rgba(226, 232, 240, 0.1);
|
||||
border-radius: 8px;
|
||||
}
|
||||
|
||||
.spacer {
|
||||
flex: 1;
|
||||
}
|
||||
Binary file not shown.
|
Before Width: | Height: | Size: 1.1 KiB |
18
EnvelopeGenerator.ReceiverUIBlazor/wwwroot/index.html
Normal file
18
EnvelopeGenerator.ReceiverUIBlazor/wwwroot/index.html
Normal file
@@ -0,0 +1,18 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="utf-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
|
||||
<title>Receiver UI (Blazor)</title>
|
||||
<base href="/" />
|
||||
<link rel="stylesheet" href="css/app.css" />
|
||||
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/4.0.269/pdf.min.js" integrity="sha512-tAqK8Nw4WnAnX/d+Q/FI+jTYfCLMVSX39kT9rCec8NLwlY+jIUUQx7TKfQvHr2SgVXmvGZtxPRQSf0oYAI7gCA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
|
||||
<script src="https://cdnjs.cloudflare.com/ajax/libs/pdf.js/4.0.269/pdf.worker.min.js" integrity="sha512-xS2zAkrE3zGZFNE2hCpL25O9P+hxKpADcDxpfoSr8q/kBDL/6Ht8OZODBM96KghAe8/powBPh6UT7aY4AsF38g==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
|
||||
<script src="https://unpkg.com/pdf-lib/dist/pdf-lib.min.js"></script>
|
||||
<script src="js/pdfInterop.js"></script>
|
||||
</head>
|
||||
<body>
|
||||
<div id="app">Loading...</div>
|
||||
<script src="_framework/blazor.webassembly.js"></script>
|
||||
</body>
|
||||
</html>
|
||||
211
EnvelopeGenerator.ReceiverUIBlazor/wwwroot/js/pdfInterop.js
Normal file
211
EnvelopeGenerator.ReceiverUIBlazor/wwwroot/js/pdfInterop.js
Normal file
@@ -0,0 +1,211 @@
|
||||
(function () {
|
||||
const state = {
|
||||
pdfDoc: null,
|
||||
pdfBytes: null,
|
||||
lastViewport: null,
|
||||
};
|
||||
|
||||
function base64ToUint8(base64) {
|
||||
const binStr = atob(base64);
|
||||
const len = binStr.length;
|
||||
const bytes = new Uint8Array(len);
|
||||
for (let i = 0; i < len; i++) {
|
||||
bytes[i] = binStr.charCodeAt(i);
|
||||
}
|
||||
return bytes;
|
||||
}
|
||||
|
||||
async function reloadFromBase64(base64) {
|
||||
state.pdfBytes = base64ToUint8(base64);
|
||||
state.pdfDoc = await pdfjsLib.getDocument({ data: state.pdfBytes }).promise;
|
||||
return { pages: state.pdfDoc.numPages };
|
||||
}
|
||||
|
||||
function dataUrlDownload(dataUrl, filename) {
|
||||
const a = document.createElement('a');
|
||||
a.href = dataUrl;
|
||||
a.download = filename;
|
||||
document.body.appendChild(a);
|
||||
a.click();
|
||||
document.body.removeChild(a);
|
||||
}
|
||||
|
||||
const pointerPads = new Map();
|
||||
|
||||
window.pdfInterop = {
|
||||
ensureReady: () => {
|
||||
if (pdfjsLib && pdfjsLib.GlobalWorkerOptions) {
|
||||
// worker is already loaded via CDN include
|
||||
return;
|
||||
}
|
||||
},
|
||||
loadPdf: async (base64) => {
|
||||
return await reloadFromBase64(base64);
|
||||
},
|
||||
renderPage: async (pageIndex, canvasId, targetWidth) => {
|
||||
if (!state.pdfDoc) {
|
||||
throw new Error('PDF not loaded');
|
||||
}
|
||||
const page = await state.pdfDoc.getPage(pageIndex + 1);
|
||||
const rawViewport = page.getViewport({ scale: 1 });
|
||||
const scale = targetWidth / rawViewport.width;
|
||||
const viewport = page.getViewport({ scale });
|
||||
|
||||
const canvas = document.getElementById(canvasId);
|
||||
if (!canvas) {
|
||||
throw new Error('Canvas not found');
|
||||
}
|
||||
const ctx = canvas.getContext('2d');
|
||||
canvas.width = viewport.width;
|
||||
canvas.height = viewport.height;
|
||||
|
||||
await page.render({ canvasContext: ctx, viewport }).promise;
|
||||
|
||||
state.lastViewport = {
|
||||
width: viewport.width,
|
||||
height: viewport.height,
|
||||
pageWidth: rawViewport.width,
|
||||
pageHeight: rawViewport.height,
|
||||
};
|
||||
|
||||
return state.lastViewport;
|
||||
},
|
||||
applySignature: async (payload) => {
|
||||
const {
|
||||
base64,
|
||||
pageIndex,
|
||||
left,
|
||||
top,
|
||||
width,
|
||||
height,
|
||||
renderWidth,
|
||||
renderHeight,
|
||||
dataUrl,
|
||||
autoDate,
|
||||
} = payload;
|
||||
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(base64ToUint8(base64));
|
||||
const page = pdfDoc.getPage(pageIndex);
|
||||
const scaleX = page.getWidth() / renderWidth;
|
||||
const scaleY = page.getHeight() / renderHeight;
|
||||
|
||||
const pngImage = await pdfDoc.embedPng(dataUrl);
|
||||
const drawWidth = width * scaleX;
|
||||
const drawHeight = height * scaleY;
|
||||
const x = left * scaleX;
|
||||
const y = page.getHeight() - (top + height) * scaleY;
|
||||
|
||||
page.drawImage(pngImage, {
|
||||
x,
|
||||
y,
|
||||
width: drawWidth,
|
||||
height: drawHeight,
|
||||
});
|
||||
|
||||
if (autoDate) {
|
||||
const text = `Signed ${new Date().toLocaleString()}`;
|
||||
page.drawText(text, {
|
||||
x,
|
||||
y: y - 14 * scaleY,
|
||||
size: 14 * scaleX,
|
||||
color: PDFLib.rgb(0.07, 0.54, 0.26),
|
||||
});
|
||||
}
|
||||
|
||||
const updatedBase64 = await pdfDoc.saveAsBase64({ dataUri: false });
|
||||
await reloadFromBase64(updatedBase64);
|
||||
return updatedBase64;
|
||||
},
|
||||
applyText: async (payload) => {
|
||||
const {
|
||||
base64,
|
||||
pageIndex,
|
||||
left,
|
||||
top,
|
||||
width,
|
||||
height,
|
||||
renderWidth,
|
||||
renderHeight,
|
||||
text,
|
||||
fontSize,
|
||||
} = payload;
|
||||
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(base64ToUint8(base64));
|
||||
const page = pdfDoc.getPage(pageIndex);
|
||||
const scaleX = page.getWidth() / renderWidth;
|
||||
const scaleY = page.getHeight() / renderHeight;
|
||||
|
||||
const x = left * scaleX;
|
||||
const y = page.getHeight() - (top + height) * scaleY;
|
||||
|
||||
page.drawText(text, {
|
||||
x,
|
||||
y,
|
||||
size: fontSize * scaleX,
|
||||
color: PDFLib.rgb(0.9, 0.9, 0.9),
|
||||
});
|
||||
|
||||
const updatedBase64 = await pdfDoc.saveAsBase64({ dataUri: false });
|
||||
await reloadFromBase64(updatedBase64);
|
||||
return updatedBase64;
|
||||
},
|
||||
downloadPdf: (base64, filename) => {
|
||||
dataUrlDownload(`data:application/pdf;base64,${base64}`, filename);
|
||||
},
|
||||
initSignaturePad: (canvasId) => {
|
||||
const canvas = document.getElementById(canvasId);
|
||||
if (!canvas) return;
|
||||
const ctx = canvas.getContext('2d');
|
||||
ctx.lineWidth = 2;
|
||||
ctx.lineCap = 'round';
|
||||
ctx.strokeStyle = '#22d3ee';
|
||||
|
||||
const padState = {
|
||||
drawing: false,
|
||||
lastX: 0,
|
||||
lastY: 0,
|
||||
};
|
||||
|
||||
function start(e) {
|
||||
padState.drawing = true;
|
||||
const rect = canvas.getBoundingClientRect();
|
||||
padState.lastX = e.clientX - rect.left;
|
||||
padState.lastY = e.clientY - rect.top;
|
||||
}
|
||||
|
||||
function move(e) {
|
||||
if (!padState.drawing) return;
|
||||
const rect = canvas.getBoundingClientRect();
|
||||
const x = e.clientX - rect.left;
|
||||
const y = e.clientY - rect.top;
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(padState.lastX, padState.lastY);
|
||||
ctx.lineTo(x, y);
|
||||
ctx.stroke();
|
||||
padState.lastX = x;
|
||||
padState.lastY = y;
|
||||
}
|
||||
|
||||
function end() {
|
||||
padState.drawing = false;
|
||||
}
|
||||
|
||||
canvas.onpointerdown = start;
|
||||
canvas.onpointermove = move;
|
||||
canvas.onpointerup = end;
|
||||
canvas.onpointerleave = end;
|
||||
|
||||
pointerPads.set(canvasId, { ctx, canvas });
|
||||
},
|
||||
clearSignaturePad: (canvasId) => {
|
||||
const pad = pointerPads.get(canvasId);
|
||||
if (!pad) return;
|
||||
pad.ctx.clearRect(0, 0, pad.canvas.width, pad.canvas.height);
|
||||
},
|
||||
getSignatureDataUrl: (canvasId) => {
|
||||
const pad = pointerPads.get(canvasId);
|
||||
if (!pad) return null;
|
||||
return pad.canvas.toDataURL('image/png');
|
||||
}
|
||||
};
|
||||
})();
|
||||
Reference in New Issue
Block a user