working on cutscenes

cutsceneEditor/src/components/LeftPanel/LeftPanel.tsx

@@ -0,0 +1,76 @@
+import { useRef } from 'react';
+import { useCutsceneStore } from '../../store/cutsceneStore';
+import { parseFile, triggerDownload } from '../../utils/fileIO';
+import styles from './LeftPanel.module.css';
+
+export default function LeftPanel() {
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  const { file, selectedCutsceneId, loadFile, addCutscene, deleteCutscene, selectCutscene, getExportData } = useCutsceneStore();
+
+  function handleFileChange(e: React.ChangeEvent<HTMLInputElement>) {
+    const f = e.target.files?.[0];
+    if (!f) return;
+    const reader = new FileReader();
+    reader.onload = (ev) => {
+      try {
+        const json = JSON.parse(ev.target!.result as string);
+        loadFile(parseFile(json));
+      } catch {
+        alert('Invalid JSON file');
+      }
+    };
+    reader.readAsText(f);
+    e.target.value = '';
+  }
+
+  function handleSave() {
+    const data = getExportData();
+    if (data) triggerDownload(data);
+  }
+
+  function handleDelete(id: string) {
+    if (confirm(`Delete cutscene "${id}"?`)) deleteCutscene(id);
+  }
+
+  return (
+    <div className={styles.panel}>
+      <div className={styles.header}>Cutscenes</div>
+
+      <div className={styles.actions}>
+        <button className={styles.btnPrimary} onClick={() => fileInputRef.current?.click()}>
+          Load JSON
+        </button>
+        <input ref={fileInputRef} type="file" accept=".json" style={{ display: 'none' }} onChange={handleFileChange} />
+        <button className={styles.btn} onClick={handleSave} disabled={!file}>
+          Save JSON
+        </button>
+        <button className={styles.btn} onClick={addCutscene}>
+          + New
+        </button>
+      </div>
+
+      <div className={styles.list}>
+        {!file || file.cutscenes.length === 0 ? (
+          <div className={styles.empty}>No cutscenes. Load a JSON or create new.</div>
+        ) : (
+          file.cutscenes.map(c => (
+            <div
+              key={c.id}
+              className={`${styles.item} ${c.id === selectedCutsceneId ? styles.selected : ''}`}
+              onClick={() => selectCutscene(c.id)}
+            >
+              <span className={styles.itemId}>{c.id}</span>
+              <button
+                className={styles.deleteBtn}
+                onClick={(e) => { e.stopPropagation(); handleDelete(c.id); }}
+                title="Delete"
+              >
+                ✕
+              </button>
+            </div>
+          ))
+        )}
+      </div>
+    </div>
+  );
+}