final update date slider

Author: jdegerickx

notebooks/utils.py

@@ -49,7 +49,7 @@ def __init__(self, start_date=datetime(2018, 1, 1), end_date=datetime(2023, 12,
             index=(0, 11),  # Default to a 11-month interval
             orientation="horizontal",
             continuous_update=False,
-            readout=False,
+            readout=True,
             behaviour="drag",
             layout={"width": "90%", "height": "100px", "margin": "0 auto 0 auto"},
             style={
@@ -61,14 +61,6 @@ def __init__(self, start_date=datetime(2018, 1, 1), end_date=datetime(2023, 12,
             pd.to_datetime(start_date) + pd.DateOffset(months=12) - timedelta(days=1),
         ]
 
-        self.selected_range_widget = widgets.HTML(
-            value=self._get_selected_range_html(),
-            layout={"width": "100%", "margin": "0 auto 0 auto"},
-        )
-
-    def _get_selected_range_html(self):
-        return f"<div style='text-align: center; font-size: 14px; position: relative; width: 100%; height: 10px; margin-top: 20px;'>Selected range: {self.selected_range[0].strftime('%d %b %Y')} to {self.selected_range[1].strftime('%d %b %Y')}</div>"
-
     def on_slider_change(self, change):
         start, end = change["new"]
         # keep the interval fixed
@@ -77,7 +69,6 @@ def on_slider_change(self, change):
             end = start + pd.DateOffset(months=11)
             self.interval_slider.value = (start, end)
         self.selected_range = (start, end + pd.DateOffset(months=1) - timedelta(days=1))
-        self.selected_range_widget.value = self._get_selected_range_html()
 
     def show_slider(self):
         self.interval_slider.observe(self.on_slider_change, names="value")
@@ -93,40 +84,13 @@ def show_slider(self):
             """
         )
 
-        # Generate a list of dates for the ticks every 3 months
-        tick_dates = pd.date_range(
-            self.start_date, self.end_date + pd.DateOffset(months=3), freq="4ME"
-        )
-
-        # Create a list of tick labels in the format "Aug 2023"
-        tick_labels = [date.strftime("%b<br>%Y") for date in tick_dates]
-
-        # Calculate the positions of the ticks to align them with the slider
-        total_days = (self.end_date - self.start_date).days
-        tick_positions = [
-            ((date - self.start_date).days / total_days * 100) for date in tick_dates
-        ]
-
-        # Create a text widget to display the tick labels with calculated positions
-        tick_widget_html = "<div style='text-align: center; font-size: 12px; position: relative; height: 20px; margin-top: -40px; margin-left: 50px; margin-right: 80px'>"
-        for label, position in zip(tick_labels, tick_positions):
-            tick_widget_html += f"<div style='position: absolute; left: {position}%; transform: translateX(-50%);'>{label}</div>"
-        tick_widget_html += "</div>"
-
-        tick_widget = widgets.HTML(
-            value=tick_widget_html,
-            layout={"width": "100%", "margin": "0 auto 100 auto"},
-        )
-
         # Arrange the text widget, interval slider, and tick widget using VBox
         vbox_with_ticks = widgets.VBox(
             [
                 descr_widget,
                 self.interval_slider,
-                tick_widget,
-                self.selected_range_widget,
             ],
-            layout={"height": "220px"},
+            layout={"height": "150px"},
         )
 
         display(vbox_with_ticks)