feat: add two-column import window layout with batch generate

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/zotero_kb/templates/index.html

@@ -236,6 +236,26 @@
         grid-template-columns: 22rem minmax(0, 1fr);
         min-height: 0;
       }
+      .import-split { display: grid; grid-template-columns: 40% 60%; height: 100%; gap: 1px; background: var(--line); }
+      .import-left, .import-right { background: var(--surface); overflow-y: auto; padding: 1rem; }
+      .import-list-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.75rem; font-weight: 600; }
+      .import-list { display: flex; flex-direction: column; gap: 0.25rem; }
+      .import-item { display: flex; align-items: flex-start; gap: 0.5rem; padding: 0.5rem; border-radius: 6px; cursor: pointer; }
+      .import-item.pending { background: var(--panel); }
+      .import-item.done { background: transparent; opacity: 0.7; }
+      .import-item.selected { outline: 2px solid var(--accent, #4a90d9); }
+      .import-item input[type="checkbox"] { margin-top: 0.25rem; }
+      .import-item.done input[type="checkbox"] { display: none; }
+      .import-item .item-title { font-size: 0.875rem; font-weight: 500; }
+      .import-item .item-meta { font-size: 0.75rem; color: var(--ink-dim, #666); }
+      .import-list-footer { margin-top: 0.75rem; font-weight: 600; font-size: 0.875rem; }
+      .import-actions { padding: 0.75rem 1rem; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; }
+      #generate-cards-btn:disabled { opacity: 0.5; cursor: not-allowed; }
+      .link-btn { background: none; border: none; color: var(--accent, #4a90d9); cursor: pointer; font-size: 0.8rem; }
+      #item-preview .preview-title { font-size: 1rem; font-weight: 600; margin-bottom: 0.5rem; }
+      #item-preview .preview-meta { font-size: 0.8rem; color: var(--ink-dim); margin-bottom: 0.75rem; }
+      #item-preview .preview-abstract { font-size: 0.85rem; line-height: 1.5; }
+      .hint { color: var(--ink-dim); font-size: 0.875rem; }
       .window-pane {
         display: grid;
         gap: 0.6rem;
@@ -359,14 +379,27 @@
             </div>
           </div>
           <div class="window-body">
-            <div class="window-pane collections">
+            <div class="import-split">
-              <small>Collections</small>
+              <div class="import-left">
-              <div id="window-collection-status" class="status"></div>
+                <div class="import-list-header">
-              <div id="window-collection-tree" class="window-scroll tree-list"></div>
+                  <span>Pending (<span id="pending-count">0</span>)</span>
+                  <button type="button" id="select-all-pending" class="link-btn">Select All</button>
+                </div>
+                <div class="import-list" id="import-items-list">
+                  <!-- populated by JS -->
+                </div>
+                <div class="import-list-footer">
+                  Done (<span id="done-count">0</span>)
+                </div>
+              </div>
+              <div class="import-right">
+                <div id="item-preview">
+                  <p class="hint">Click an item to preview</p>
+                </div>
+              </div>
             </div>
-            <div class="window-pane items">
+            <div class="import-actions">
-              <small>Collection Items</small>
+              <button type="button" id="generate-cards-btn" class="primary" disabled>生成选中卡片 (0)</button>
-              <div id="window-collection-items" class="window-scroll collection-items-list"></div>
             </div>
           </div>
           <div id="item-preview-popover" class="preview-popover" hidden></div>
@@ -495,6 +528,10 @@
         hoveredItemKey: null,
         hoverTimerId: null,
         previewItemKey: null,
+        importItems: [],
+        selectedPendingKeys: new Set(),
+        isGenerating: false,
+        generatingProgress: { current: 0, total: 0 },
       };
 
       const elements = {
@@ -690,6 +727,13 @@
         target.classList.toggle("error", Boolean(isError));
       }
 
+      function escapeHtml(str) {
+        if (str === null || str === undefined) return "";
+        const div = document.createElement("div");
+        div.textContent = String(str);
+        return div.innerHTML;
+      }
+
       async function api(path, options = {}) {
         const response = await fetch(path, {
           headers: { "Content-Type": "application/json", ...(options.headers || {}) },
@@ -1095,6 +1139,98 @@
         closeImportWindow();
       }
 
+      async function loadImportState() {
+        const resp = await fetch(`/api/projects/${state.currentProjectId}/import-state`);
+        const data = await resp.json();
+        state.importItems = data.items;
+        renderImportItemList();
+        updateImportCounts(data.pending_count, data.done_count);
+      }
+
+      function renderImportItemList() {
+        const list = document.getElementById('import-items-list');
+        list.innerHTML = '';
+        state.importItems.forEach(item => {
+          const isDone = item.card_status === 'done';
+          const div = document.createElement('div');
+          div.className = `import-item ${item.card_status}`;
+          div.dataset.key = item.item_key;
+          div.innerHTML = `
+            <input type="checkbox" ${isDone ? 'disabled' : ''} data-key="${item.item_key}">
+            <div>
+              <div class="item-title">${escapeHtml(item.title)}</div>
+              <div class="item-meta">${item.creators.join(', ')} · ${item.year || 'n.d.'}</div>
+            </div>
+          `;
+          if (!isDone) {
+            div.querySelector('input').addEventListener('change', (e) => {
+              if (e.target.checked) state.selectedPendingKeys.add(item.item_key);
+              else state.selectedPendingKeys.delete(item.item_key);
+              updateGenerateButton();
+              div.classList.toggle('selected', e.target.checked);
+            });
+          }
+          div.addEventListener('click', (e) => { if (e.target.tagName !== 'INPUT') showItemPreview(item); });
+          list.appendChild(div);
+        });
+      }
+
+      function showItemPreview(item) {
+        document.getElementById('item-preview').innerHTML = `
+          <div class="preview-title">${escapeHtml(item.title)}</div>
+          <div class="preview-meta">${item.creators.join(', ')} · ${item.year || 'n.d.'} · ${item.item_type}</div>
+          <div class="preview-abstract">${escapeHtml(item.abstract || 'No abstract available.')}</div>
+        `;
+      }
+
+      function updateGenerateButton() {
+        const btn = document.getElementById('generate-cards-btn');
+        const count = state.selectedPendingKeys.size;
+        btn.disabled = count === 0 || state.isGenerating;
+        btn.textContent = state.isGenerating
+          ? `生成中 ${state.generatingProgress.current}/${state.generatingProgress.total}`
+          : `生成选中卡片 (${count})`;
+      }
+
+      async function generateSelectedCards() {
+        const keys = Array.from(state.selectedPendingKeys);
+        if (!keys.length) return;
+        state.isGenerating = true;
+        state.generatingProgress = { current: 0, total: keys.length };
+        updateGenerateButton();
+
+        try {
+          const resp = await fetch(`/api/projects/${state.currentProjectId}/cards/generate`, {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ item_keys: keys }),
+          });
+          const data = await resp.json();
+
+          data.items.forEach(updated => {
+            const item = state.importItems.find(i => i.item_key === updated.item_key);
+            if (item) item.card_status = updated.card_status;
+          });
+
+          state.selectedPendingKeys.clear();
+          renderImportItemList();
+
+          const counts = {
+            pending: state.importItems.filter(i => i.card_status === 'pending').length,
+            done: state.importItems.filter(i => i.card_status === 'done').length,
+          };
+          updateImportCounts(counts.pending, counts.done);
+        } finally {
+          state.isGenerating = false;
+          updateGenerateButton();
+        }
+      }
+
+      function updateImportCounts(pending, done) {
+        document.getElementById('pending-count').textContent = pending;
+        document.getElementById('done-count').textContent = done;
+      }
+
       async function openImportWindow() {
         state.isImportWindowOpen = true;
         elements.importWindowShell.hidden = false;
@@ -1103,25 +1239,7 @@
         cancelAbstractPreview();
         updateImportActionState();
         initWindowFromSession();
-        if (!state.collectionTree.length) {
+        await loadImportState();
-          try {
-            await loadCollectionTree();
-          } catch (error) {
-            setStatus(elements.windowCollectionStatus, error.message, true);
-          }
-        } else if (
-          state.selectedCollectionKey &&
-          (!state.collectionItemsLoaded && state.loadingCollectionKey !== state.selectedCollectionKey)
-        ) {
-          try {
-            await loadCollectionItems(state.selectedCollectionKey);
-          } catch (error) {
-            setStatus(elements.windowCollectionStatus, error.message, true);
-          }
-        } else {
-          renderCollectionTree();
-          renderCollectionItems();
-        }
       }
 
       function closeImportWindow() {
@@ -1130,6 +1248,8 @@
         elements.importWindowShell.setAttribute("aria-hidden", "true");
         document.body.classList.toggle("modal-open", false);
         cancelAbstractPreview();
+        state.importItems = [];
+        state.selectedPendingKeys.clear();
       }
 
       async function loadProjects() {
@@ -1215,6 +1335,15 @@
           setStatus(elements.windowCollectionStatus, error.message, true);
         });
       });
+      document.getElementById('select-all-pending').addEventListener('click', () => {
+        document.querySelectorAll('.import-item.pending input[type="checkbox"]').forEach(cb => {
+          cb.checked = true;
+          state.selectedPendingKeys.add(cb.dataset.key);
+          cb.closest('.import-item').classList.add('selected');
+        });
+        updateGenerateButton();
+      });
+      document.getElementById('generate-cards-btn').addEventListener('click', generateSelectedCards);
       document.addEventListener("keydown", (event) => {
         if (event.key === "Escape" && state.isImportWindowOpen) {
           closeImportWindow();

tests/test_ui.py

@@ -37,12 +37,13 @@ def test_index_contains_import_window_controls(tmp_path) -> None:
     assert 'id="window-restore-button"' in html
     assert 'id="import-window-minimized-bar"' in html
     assert 'id="import-window-project-label"' in html
-    assert 'id="window-collection-tree"' in html
+    # New two-column import layout
-    assert 'id="window-collection-items"' in html
+    assert 'id="import-items-list"' in html
-    assert 'id="window-selected-count"' in html
+    assert 'id="item-preview"' in html
-    assert 'id="window-clear-selection-button"' in html
+    assert 'id="pending-count"' in html
-    assert 'id="window-import-selected-items-button"' in html
+    assert 'id="done-count"' in html
-    assert 'id="item-preview-popover"' in html
+    assert 'id="select-all-pending"' in html
+    assert 'id="generate-cards-btn"' in html
     assert 'isImportWindowOpen: false' in html
     assert "function openImportWindow()" in html
     assert "function closeImportWindow()" in html
@@ -65,3 +66,56 @@ def test_index_window_frame_css(tmp_path) -> None:
     assert "restoreWindow" in html
     assert "initWindowFromSession" in html
     assert "persistWindowSessionState" in html
+
+
+def test_index_import_window_has_two_column_layout(tmp_path) -> None:
+    html = _get_index_html(tmp_path)
+
+    # Two-column split layout structure
+    assert 'class="import-split"' in html
+    assert 'class="import-left"' in html
+    assert 'class="import-right"' in html
+
+    # Left column: list header, list, footer
+    assert 'class="import-list-header"' in html
+    assert 'id="import-items-list"' in html
+    assert 'class="import-list-footer"' in html
+    assert 'id="pending-count"' in html
+    assert 'id="done-count"' in html
+    assert 'id="select-all-pending"' in html
+
+    # Right column: preview
+    assert 'id="item-preview"' in html
+
+    # Action bar
+    assert 'class="import-actions"' in html
+    assert 'id="generate-cards-btn"' in html
+
+    # CSS: import-split grid layout
+    assert ".import-split" in html
+    # CSS: import-item classes
+    assert ".import-item" in html
+    assert ".import-item.pending" in html
+    assert ".import-item.done" in html
+
+
+def test_index_has_import_state_and_cards_generate_api_calls(tmp_path) -> None:
+    html = _get_index_html(tmp_path)
+
+    # loadImportState function fetches import-state
+    assert "function loadImportState()" in html
+    assert "/api/projects/" in html
+    assert "import-state" in html
+
+    # generateSelectedCards function calls cards/generate
+    assert "function generateSelectedCards()" in html
+    assert "/cards/generate" in html
+
+    # openImportWindow calls loadImportState
+    assert "openImportWindow()" in html
+    # Check loadImportState is called inside openImportWindow (await statement appears)
+    assert "await loadImportState()" in html
+
+    # generate-cards-btn has click listener for generateSelectedCards
+    assert 'generate-cards-btn' in html
+    assert 'generateSelectedCards' in html