feat: add browser for easier viewing of scans

Adds code with modifications from #690
chrislgarry · Aug 3, 2020 · 318d830 · 318d830
commit 318d830
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diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+yaYUL.exe
diff --git a/index.html b/index.html
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+<!DOCTYPE html>
+
+<html>
+  <head>
+    <title>AGC scans viewer</title>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
+    <script>
+      const COMANCHE055_PAGES = 1751;
+      const LUMINARY099_PAGES = 1743;
+
+      function changeDir() {
+        showPage();
+      }
+      function showPrevious() {
+        const newpage = parseInt(document.form.pagenum.value) - 1;
+        if (newpage >= 1) {
+          changePage(newpage);
+        }
+      }
+      function showNext() {
+        const newpage = parseInt(document.form.pagenum.value) + 1;
+        const directory = document.form.directory.value;
+        if (
+          (directory === "Comanche055" && newpage <= COMANCHE055_PAGES) ||
+          (directory === "Luminary099" && newpage <= LUMINARY099_PAGES)
+        ) {
+          changePage(newpage);
+        }
+      }
+      function changePage(page) {
+        document.form.pagenum.value = parseInt(page);
+        showPage();
+      }
+      function showPage() {
+        let page = parseInt(document.form.pagenum.value);
+        const directory = document.form.directory.value;
+
+        if (page < 1) {
+          document.form.pagenum.value = 1;
+          page = 1;
+        } else if (directory === "Comanche055" && page > COMANCHE055_PAGES) {
+          document.form.pagenum.value = COMANCHE055_PAGES;
+          page = COMANCHE055_PAGES;
+        } else if (directory === "Luminary099" && page > LUMINARY099_PAGES) {
+          document.form.pagenum.value = LUMINARY099_PAGES;
+          page = LUMINARY099_PAGES;
+        }
+
+        formattedPage = page.toString().padStart(4, "0");
+
+        imageURL = `https://www.ibiblio.org/apollo/ScansForConversion/${directory}/${formattedPage}.jpg`;
+        document.image.src = imageURL;
+        document.body.style.cursor = "progress";
+      }
+    </script>
+    <style>
+      body {
+        margin: 1rem;
+      }
+      form {
+        margin-bottom: 1rem;
+      }
+      img {
+        min-width: 100vw;
+        height: auto;
+      }
+      select,
+      input {
+        cursor: pointer;
+      }
+    </style>
+  </head>
+  <body onLoad="showPage()">
+    <form name="form" onSubmit="return false">
+      <select name="directory" onChange="changeDir()">
+        <option>Comanche055</option>
+        <option>Luminary099</option>
+      </select>
+      <input type="button" onClick="showPrevious()" value="Previous Page" />
+      <input
+        type="text"
+        name="pagenum"
+        onChange="changePage(this.value)"
+        size="5"
+        maxlength="4"
+        value="1"
+      />
+      <input type="button" onClick="showNext()" value="Next Page" />
+    </form>
+    <img
+      name="image"
+      onLoad="this.title=this.src;document.body.style.cursor='default'"
+      width="1314"
+      height="1000"
+    />
+  </body>
+</html>