Improve the timelapse gui (#2083)

* Improve the timelapse gui

* Make basemap optional

geemap/toolbar.py

@@ -2209,17 +2209,18 @@ def close_btn_clicked(b):
     return full_widget
 
 
-def timelapse_gui(m=None):
+def timelapse_gui(m=None, basemap="HYBRID"):
     """Creates timelapse animations.
 
     Args:
         m (geemap.Map, optional): A geemap Map instance. Defaults to None.
+        basemap (str, optional): The basemap to use. Defaults to "HYBRID".
 
     Returns:
         ipywidgets: The interactive GUI.
     """
-    if m is not None:
-        m.add_basemap("HYBRID")
+    if m is not None and (basemap is not None):
+        m.add_basemap(basemap)
 
     widget_width = "350px"
     padding = "0px 0px 0px 5px"  # upper, right, bottom, left
@@ -2245,8 +2246,6 @@ def timelapse_gui(m=None):
     collection = widgets.Dropdown(
         options=[
             "Landsat TM-ETM-OLI Surface Reflectance",
-            "Sentinel-2AB Surface Reflectance",
-            "MODIS",
         ],
         value="Landsat TM-ETM-OLI Surface Reflectance",
         description="Collection:",
@@ -2275,7 +2274,7 @@ def timelapse_gui(m=None):
             "SWIR2/NIR/Green",
             "SWIR1/NIR/Red",
         ],
-        value="NIR/Red/Green",
+        value="SWIR1/NIR/Red",
         style=style,
         layout=widgets.Layout(width="165px", padding=padding),
     )
@@ -2453,8 +2452,8 @@ def nd_index_change(change):
             first_band.value = "NIR"
             second_band.value = "Red"
         elif nd_indices.value == "Water Index (NDWI)":
-            first_band.value = "NIR"
-            second_band.value = "SWIR1"
+            first_band.value = "Green"
+            second_band.value = "NIR"
         elif nd_indices.value == "Modified Water Index (MNDWI)":
             first_band.value = "Green"
             second_band.value = "SWIR1"
@@ -2498,7 +2497,12 @@ def submit_clicked(b):
         end_date = str(end_month.value).zfill(2) + "-30"
 
         with output:
-            print("Computing... Please wait...")
+            output.clear_output()
+            message = "Computing... Please wait..."
+            if os.environ.get("EE_SOLARA", None) is None:
+                output.append_stdout(message)
+            else:
+                print(message)
 
         nd_bands = None
         if (first_band.value is not None) and (second_band.value is not None):
@@ -2507,11 +2511,18 @@ def submit_clicked(b):
         temp_output = widgets.Output()
 
         if m is not None:
+            m.default_style = {"cursor": "wait"}
             out_dir = get_temp_dir()
             out_gif = os.path.join(out_dir, "timelapse_" + random_string(3) + ".gif")
 
             with temp_output:
                 temp_output.outputs = ()
+
+                if m.find_layer("Timelapse") is not None:
+                    m.remove(m.find_layer("Timelapse"))
+                if m.find_layer("Timelapse ND") is not None:
+                    m.remove(m.find_layer("Timelapse ND"))
+
                 m.add_landsat_ts_gif(
                     roi=m.user_roi,
                     label=title.value,
@@ -2535,7 +2546,7 @@ def submit_clicked(b):
                     m.centerObject(m.user_roi)
 
             with output:
-                print("The timelapse has been added to the map.")
+                output.clear_output()
                 link = create_download_link(
                     out_gif,
                     title="Click here to download: ",
@@ -2548,6 +2559,8 @@ def submit_clicked(b):
                     )
                     display(link_nd)
 
+            m.default_style = {"cursor": "default"}
+
     create_gif.on_click(submit_clicked)
 
     reset_btn = widgets.Button(