Update app.py via AI Editor

app.py

@@ -54,7 +54,6 @@ def get_right_col_content(selected_type):
         type="dot",
         children=[html.Div(id="loading-output")]
     ))
-    # Show upload box for SHRED only
     if selected_type == "Shred":
         controls.append(
             html.Div([
@@ -147,9 +146,9 @@ def get_left_col_content():
                             'overflowY': 'auto'
                         },
                         rows=5,
-                        autoFocus=False,
                         wrap='soft'
                     ),
+                    dcc.Store(id="chat-input-rows", data=5),
                     dbc.Row([
                         dbc.Col(
                             dbc.Button("Send", id="btn-send-chat", color="primary", className="mb-3 w-100"),
@@ -644,6 +643,21 @@ def download_document(n_clicks, selected_doc_type):
             logging.error(f"Error downloading document: {str(e)}")
             return dcc.send_string(f"Error downloading document: {str(e)}", f"{selected_doc_type}_error.txt")
 
+@app.callback(
+    Output("chat-input", "rows"),
+    Input("chat-input", "value"),
+    State("chat-input", "rows"),
+    prevent_initial_call="initial_duplicate"
+)
+def auto_expand_textarea(value, current_rows):
+    if value is None or value == "":
+        return 5
+    num_lines = value.count('\n') + 1
+    # To avoid the box growing too huge, set a reasonable max
+    max_rows = 20
+    rows = min(max(num_lines, 5), max_rows)
+    return rows
+
 if __name__ == '__main__':
     print("Starting the Dash application...")
     app.run(debug=True, host='0.0.0.0', port=7860, threaded=True)