Drag and drop attachments

Dockerfile

@@ -5,6 +5,7 @@ COPY package.json package-lock.json* ./
 RUN npm install
 COPY web/static/css/input.css web/static/css/input.css
 COPY web/templates/ web/templates/
+COPY web/static/js/ web/static/js/
 COPY internal/handlers/ internal/handlers/
 RUN npx @tailwindcss/cli -i web/static/css/input.css -o web/static/css/output.css --minify
 

web/static/js/attachments.js

@@ -0,0 +1,179 @@
+/**
+ * initAttachmentZone — wire up drag-and-drop, clipboard paste, and file-picker
+ * for a form that already has a multipart file input.
+ *
+ * Uses a DataTransfer object as a mutable file store so that
+ * fileInput.files always reflects the full set of chosen files and
+ * native form submission works unchanged.
+ */
+function initAttachmentZone({ formEl, fileInput, dropZone, fileListEl, pasteTarget }) {
+  const dt = new DataTransfer();
+  let dragCounter = 0;
+
+  // ── Helpers ──────────────────────────────────────────────────────────
+
+  function fileKey(f) {
+    return f.name + '|' + f.size + '|' + f.lastModified;
+  }
+
+  function currentKeys() {
+    const keys = new Set();
+    for (let i = 0; i < dt.items.length; i++) {
+      keys.add(fileKey(dt.files[i]));
+    }
+    return keys;
+  }
+
+  function addFiles(files) {
+    const keys = currentKeys();
+    for (const f of files) {
+      if (!keys.has(fileKey(f))) {
+        dt.items.add(f);
+        keys.add(fileKey(f));
+      }
+    }
+    sync();
+  }
+
+  function removeFile(index) {
+    dt.items.remove(index);
+    sync();
+  }
+
+  function sync() {
+    fileInput.files = dt.files;
+    renderList();
+  }
+
+  // ── File list rendering ─────────────────────────────────────────────
+
+  function formatSize(bytes) {
+    if (bytes < 1024) return bytes + ' B';
+    if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(1) + ' KB';
+    return (bytes / (1024 * 1024)).toFixed(1) + ' MB';
+  }
+
+  function renderList() {
+    fileListEl.innerHTML = '';
+    if (dt.files.length === 0) {
+      fileListEl.classList.add('hidden');
+      return;
+    }
+    fileListEl.classList.remove('hidden');
+
+    for (let i = 0; i < dt.files.length; i++) {
+      const f = dt.files[i];
+      const row = document.createElement('div');
+      row.className = 'flex items-center justify-between rounded-md bg-gray-50 px-3 py-1.5 text-sm';
+
+      const info = document.createElement('span');
+      info.className = 'text-gray-700 truncate';
+      info.textContent = f.name;
+
+      const size = document.createElement('span');
+      size.className = 'text-gray-400 ml-2 whitespace-nowrap';
+      size.textContent = formatSize(f.size);
+
+      const left = document.createElement('div');
+      left.className = 'flex items-center min-w-0';
+      left.appendChild(info);
+      left.appendChild(size);
+
+      const btn = document.createElement('button');
+      btn.type = 'button';
+      btn.className = 'ml-2 text-gray-400 hover:text-red-500 text-xs font-bold';
+      btn.textContent = '\u00d7';
+      btn.setAttribute('aria-label', 'Remove ' + f.name);
+      btn.addEventListener('click', function () { removeFile(i); });
+
+      row.appendChild(left);
+      row.appendChild(btn);
+      fileListEl.appendChild(row);
+    }
+  }
+
+  // ── Drag-and-drop ───────────────────────────────────────────────────
+
+  function highlight() {
+    dropZone.classList.add('ring-blue-400', 'bg-blue-50', 'border-blue-400');
+  }
+
+  function unhighlight() {
+    dropZone.classList.remove('ring-blue-400', 'bg-blue-50', 'border-blue-400');
+  }
+
+  dropZone.addEventListener('dragenter', function (e) {
+    e.preventDefault();
+    dragCounter++;
+    highlight();
+  });
+
+  dropZone.addEventListener('dragover', function (e) {
+    e.preventDefault();
+  });
+
+  dropZone.addEventListener('dragleave', function (e) {
+    e.preventDefault();
+    dragCounter--;
+    if (dragCounter <= 0) {
+      dragCounter = 0;
+      unhighlight();
+    }
+  });
+
+  dropZone.addEventListener('drop', function (e) {
+    e.preventDefault();
+    dragCounter = 0;
+    unhighlight();
+    if (e.dataTransfer && e.dataTransfer.files.length) {
+      addFiles(e.dataTransfer.files);
+    }
+  });
+
+  // ── File picker (additive) ──────────────────────────────────────────
+
+  fileInput.addEventListener('change', function () {
+    addFiles(fileInput.files);
+  });
+
+  // ── Clipboard paste ─────────────────────────────────────────────────
+
+  function pasteTimestamp() {
+    const d = new Date();
+    const pad = function (n) { return n < 10 ? '0' + n : '' + n; };
+    return d.getFullYear() +
+      pad(d.getMonth() + 1) +
+      pad(d.getDate()) + '-' +
+      pad(d.getHours()) +
+      pad(d.getMinutes()) +
+      pad(d.getSeconds());
+  }
+
+  if (pasteTarget) {
+    pasteTarget.addEventListener('paste', function (e) {
+      var items = e.clipboardData && e.clipboardData.items;
+      if (!items) return;
+
+      var files = [];
+      for (var i = 0; i < items.length; i++) {
+        if (items[i].kind === 'file') {
+          var f = items[i].getAsFile();
+          if (!f) continue;
+          // Rename generic pasted names like "image.png"
+          if (/^image\.\w+$/.test(f.name)) {
+            var ext = f.name.split('.').pop();
+            var renamed = new File([f], 'paste-' + pasteTimestamp() + '.' + ext, { type: f.type });
+            files.push(renamed);
+          } else {
+            files.push(f);
+          }
+        }
+      }
+
+      if (files.length > 0) {
+        addFiles(files);
+        // Don't prevent default — let text pastes through
+      }
+    });
+  }
+}

web/templates/layouts/base.html

@@ -14,6 +14,7 @@
             {{block "content" .}}{{end}}
         </main>
     </div>
+    <span class="hidden ring-blue-400 bg-blue-50 border-blue-400 hover:text-red-500"></span>
     <script type="module">
       if (document.querySelector('pre.mermaid')) {
         const { default: mermaid } = await import('https://cdn.jsdelivr.net/npm/mermaid@11/dist/mermaid.esm.min.mjs');

web/templates/pages/tickets/detail.html

@@ -117,29 +117,31 @@
     {{end}}
 
     <!-- Add Comment -->
-    <form method="POST" action="/tickets/{{.Ticket.ID}}/comments" enctype="multipart/form-data" class="mt-6">
+    <form method="POST" action="/tickets/{{.Ticket.ID}}/comments" enctype="multipart/form-data" class="mt-6" id="comment-form">
         <input type="hidden" name="gorilla.csrf.Token" value="{{$.CSRFToken}}">
-        <div>
+        <div id="comment-drop-zone" class="rounded-md border-2 border-dashed border-gray-300 transition-colors">
-            <label for="body" class="sr-only">Add a comment</label>
             <textarea name="body" id="body" rows="3"
                       placeholder="Add a comment... (Markdown supported)"
-                      class="block w-full rounded-md border border-gray-300 px-3 py-2 shadow-sm focus:border-blue-500 focus:outline-none focus:ring-1 focus:ring-blue-500"></textarea>
+                      class="block w-full border-0 rounded-t-md px-3 py-2 focus:ring-0 focus:outline-none bg-transparent"></textarea>
+            <div class="border-t border-gray-200 px-3 py-2 text-xs text-gray-400">
+                Drop files, paste images, or
+                <label for="comment-attachments" class="cursor-pointer text-blue-600 hover:text-blue-500 font-medium">browse</label>
+                <input type="file" name="attachments" id="comment-attachments" multiple class="hidden">
             </div>
-        <div class="mt-3 flex items-center justify-between">
-            <div>
-                <label for="attachments" class="text-sm text-gray-500 cursor-pointer hover:text-gray-700">
-                    Attach files
-                    <input type="file" name="attachments" id="attachments" multiple class="hidden">
-                </label>
-                <span id="file-count" class="text-xs text-gray-400 ml-2"></span>
         </div>
+        <div id="comment-file-list" class="mt-2 space-y-1 hidden"></div>
+        <div class="mt-3 flex justify-end">
             <button type="submit" class="rounded-md bg-blue-600 px-4 py-2 text-sm font-semibold text-white shadow hover:bg-blue-500">Add Comment</button>
         </div>
     </form>
+    <script src="/static/js/attachments.js"></script>
     <script>
-        document.getElementById('attachments').addEventListener('change', function() {
+        initAttachmentZone({
-            var count = this.files.length;
+            formEl: document.getElementById('comment-form'),
-            document.getElementById('file-count').textContent = count > 0 ? count + ' file(s) selected' : '';
+            fileInput: document.getElementById('comment-attachments'),
+            dropZone: document.getElementById('comment-drop-zone'),
+            fileListEl: document.getElementById('comment-file-list'),
+            pasteTarget: document.getElementById('body'),
         });
     </script>
 </div>

web/templates/pages/tickets/new.html

@@ -45,10 +45,16 @@
         </div>
 
         <div>
-            <label for="attachments" class="block text-sm font-medium text-gray-700">Attachments</label>
+            <label class="block text-sm font-medium text-gray-700">Attachments</label>
-            <input type="file" name="attachments" id="attachments" multiple
+            <div id="drop-zone" class="mt-1 rounded-md border-2 border-dashed border-gray-300 px-4 py-6 text-center transition-colors">
-                   class="mt-1 block w-full text-sm text-gray-500 file:mr-4 file:py-2 file:px-4 file:rounded-md file:border-0 file:text-sm file:font-semibold file:bg-blue-50 file:text-blue-700 hover:file:bg-blue-100">
+                <p class="text-sm text-gray-500">
-            <p class="mt-1 text-xs text-gray-500">Optional. You can attach multiple files.</p>
+                    Drag & drop files here, paste from clipboard, or
+                    <label for="attachments" class="cursor-pointer text-blue-600 hover:text-blue-500 font-medium">browse</label>
+                </p>
+                <input type="file" name="attachments" id="attachments" multiple class="hidden">
+                <p class="mt-1 text-xs text-gray-400">You can attach multiple files</p>
+            </div>
+            <div id="file-list" class="mt-2 space-y-1 hidden"></div>
         </div>
 
         <div class="flex justify-end gap-3">
@@ -57,4 +63,14 @@
         </div>
     </form>
 </div>
+<script src="/static/js/attachments.js"></script>
+<script>
+    initAttachmentZone({
+        formEl: document.querySelector('form'),
+        fileInput: document.getElementById('attachments'),
+        dropZone: document.getElementById('drop-zone'),
+        fileListEl: document.getElementById('file-list'),
+        pasteTarget: document.getElementById('description'),
+    });
+</script>
 {{end}}