metadata: read metadata informations and display it in form input

public/js/metadata.js

@@ -5,6 +5,65 @@ var is_mobile = function() {
     return !(window.getComputedStyle(document.getElementById('is_mobile')).display === "none");
 };
 
+var responsiveDisplay = function() {
+    if(is_mobile()) {
+        menu.classList.remove('show');
+        menuOffcanvas.hide();
+    } else {
+        menuOffcanvas.show();
+    }
+    menu.classList.remove('d-md-block');
+    menu.classList.remove('d-none');
+};
+
+var pdfjsLib = window['pdfjs-dist/build/pdf'];
+pdfjsLib.GlobalWorkerOptions.workerSrc = '/vendor/pdf.worker.js?legacy';
+var nbPDF = 0;
+var pages = [];
+var pdfRenderTasks = [];
+
+var loadPDF = async function(pdfBlob, filename, pdfIndex) {
+    let url = await URL.createObjectURL(pdfBlob);
+    let loadingTask = pdfjsLib.getDocument(url);
+    document.querySelector('#text_document_name span').innerText = filename;
+    await loadingTask.promise.then(function(pdf) {
+        pdf.getMetadata().then(function(metadata) {
+            console.log(metadata);
+            for(metaKey in metadata.info) {
+                if(metaKey == "Custom" || metaKey == "PDFFormatVersion" || metaKey.match(/^Is/) || metaKey == "Trapped") {
+                    continue;
+                }
+                addMetadata(metaKey, metadata.info[metaKey]);
+            }
+            for(metaKey in metadata.info.Custom) {
+                if(metaKey == "sha256") {
+                    continue;
+                }
+
+                addMetadata(metaKey, metadata.info.Custom[metaKey]);
+            }
+        });
+    }, function (reason) {
+        console.error(reason);
+    });
+
+    return loadingTask;
+}
+
+var addMetadata = function(key, value) {
+    let div = document.createElement('div');
+    div.classList.add('form-floating');
+    div.classList.add('mt-3');
+    let input = document.createElement('input');
+    input.value = value;
+    input.classList.add('form-control');
+    let label = document.createElement('label');
+    label.innerText = key;
+    div.appendChild(input);
+    div.appendChild(label);
+    document.getElementById('container-main').appendChild(div);
+}
+
 var createEventsListener = function() {
 
 }

templates/metadata.html.php

@@ -50,8 +50,7 @@
     </div>
     <div id="page-metadata" style="padding-right: 350px;" class="d-none">
         <div id="div-margin-top" style="height: 88px;" class="d-md-none"></div>
-        <div id="container-main">
+        <div id="container-main"  class="w-50 mx-auto pb-3">
-
         </div>
         <div id="div-margin-bottom" style="height: 55px;" class="d-md-none"></div>
         <div class="offcanvas offcanvas-end show d-none d-md-block shadow-sm" data-bs-backdrop="false" data-bs-scroll="true" data-bs-keyboard="false" tabindex="-1" id="sidebarTools" aria-labelledby="sidebarToolsLabel">
@@ -60,7 +59,8 @@
                 <h5 class="mb-1 d-block w-100" id="sidebarToolsLabel">Édition de métadonnées<span class="float-end me-2" title="Ce PDF est stocké sur votre ordinateur pour être signé par vous uniquement"><i class="bi-ui-checks-grid"></i></span></h5>
                 <button type="button" class="btn-close text-reset d-md-none" data-bs-dismiss="offcanvas" aria-label="Close"></button>
             </div>
-            <div class="offcanvas-body pt-3" style="padding-bottom: 60px;">
+            <div class="offcanvas-body pt-0" style="padding-bottom: 60px;">
+                <p id="text_document_name" class="text-muted" style="text-overflow: ellipsis; white-space: nowrap; overflow: hidden;" title=""><i class="bi bi-files"></i> <span></span></p>
                 <div class="position-absolute bottom-0 pb-2 ps-0 pe-4 w-100">
                     <form id="form_pdf" action="/organize" method="post" enctype="multipart/form-data">
                         <input id="input_pdf" name="pdf[]" type="file" class="d-none" />