From d74caee1304ddc1fbb1031f920cb52b1dc06fba6 Mon Sep 17 00:00:00 2001
From: dcherian <dcherian@mit.edu>
Date: Mon, 5 Nov 2018 11:29:22 -0800
Subject: [PATCH 1/4] datetime64 slider text support

---
 animatplot/animation.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/animatplot/animation.py b/animatplot/animation.py
index 24f847a..08c6bce 100644
--- a/animatplot/animation.py
+++ b/animatplot/animation.py
@@ -1,6 +1,8 @@
 from matplotlib.animation import FuncAnimation, PillowWriter
 from matplotlib.widgets import Button, Slider
 import matplotlib.pyplot as plt
+import numpy as np
+
 from animatplot import Timeline
 
 
@@ -132,8 +134,11 @@ def timeline_slider(self, text='Time', ax=None, valfmt='%1.2f', color=None):
 
         def set_time(t):
             self.timeline.index = int(self.slider.val)
-            self.slider.valtext.set_text(
-                self.slider.valfmt % (self.timeline[self.timeline.index]))
+            if np.issubdtype(self.timeline.t.dtype, np.datetime64):
+                self.slider.valtext.set_text((self.timeline[self.timeline.index]))
+            else:
+                self.slider.valtext.set_text(
+                    self.slider.valfmt % (self.timeline[self.timeline.index]))
             if self._pause:
                 for block in self.blocks:
                     block._update(self.timeline.index)

From 9d3ee51d331ab95c3d826645c522ceca496d9b8a Mon Sep 17 00:00:00 2001
From: dcherian <dcherian@mit.edu>
Date: Mon, 4 Feb 2019 09:29:00 -0700
Subject: [PATCH 2/4] Updates

---
 animatplot/animation.py | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/animatplot/animation.py b/animatplot/animation.py
index 08c6bce..a6522e1 100644
--- a/animatplot/animation.py
+++ b/animatplot/animation.py
@@ -97,7 +97,7 @@ def pause(event):
             self._pause ^= True
         self.button.on_clicked(pause)
 
-    def timeline_slider(self, text='Time', ax=None, valfmt='%1.2f', color=None):
+    def timeline_slider(self, text='Time', ax=None, valfmt=None, color=None):
         """Creates a timeline slider.
 
         Parameters
@@ -121,6 +121,12 @@ def timeline_slider(self, text='Time', ax=None, valfmt='%1.2f', color=None):
         else:
             self.slider_ax = ax
 
+        if valfmt is None:
+            if np.issubdtype(self.timeline.t.dtype, np.datetime64):
+                valfmt = '%s'
+            else:
+                valfmt = '%1.2f'
+
         if self.timeline.log:
             valfmt = '$10^{%s}$' % valfmt
 
@@ -134,11 +140,8 @@ def timeline_slider(self, text='Time', ax=None, valfmt='%1.2f', color=None):
 
         def set_time(t):
             self.timeline.index = int(self.slider.val)
-            if np.issubdtype(self.timeline.t.dtype, np.datetime64):
-                self.slider.valtext.set_text((self.timeline[self.timeline.index]))
-            else:
-                self.slider.valtext.set_text(
-                    self.slider.valfmt % (self.timeline[self.timeline.index]))
+            self.slider.valtext.set_text(
+                self.slider.valfmt % (self.timeline[self.timeline.index]))
             if self._pause:
                 for block in self.blocks:
                     block._update(self.timeline.index)

From 08b6e5fc9c1d940dcecd45a8e7fbd84bdb451e7a Mon Sep 17 00:00:00 2001
From: dcherian <dcherian@mit.edu>
Date: Mon, 4 Feb 2019 16:00:18 -0700
Subject: [PATCH 3/4] Update docstring and add support for timedelta64

---
 animatplot/animation.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/animatplot/animation.py b/animatplot/animation.py
index a6522e1..564c170 100644
--- a/animatplot/animation.py
+++ b/animatplot/animation.py
@@ -108,7 +108,7 @@ def timeline_slider(self, text='Time', ax=None, valfmt=None, color=None):
             The matplotlib axes to attach the slider to.
         valfmt : str, optional
             a format specifier used to print the time
-            Defaults to '%1.2f'
+            Defaults to '%s' for datetime64, timedelta64 and '%1.2f' otherwise.
         color :
             The color of the slider.
         """
@@ -122,7 +122,8 @@ def timeline_slider(self, text='Time', ax=None, valfmt=None, color=None):
             self.slider_ax = ax
 
         if valfmt is None:
-            if np.issubdtype(self.timeline.t.dtype, np.datetime64):
+            if (np.issubdtype(self.timeline.t.dtype, np.datetime64)
+                or np.issubdtype(self.timeline.t.dtype, np.timedelta64)):
                 valfmt = '%s'
             else:
                 valfmt = '%1.2f'

From b7723cd2c679935b38b81de358ad8461e74a8884 Mon Sep 17 00:00:00 2001
From: dcherian <dcherian@mit.edu>
Date: Mon, 4 Feb 2019 16:00:57 -0700
Subject: [PATCH 4/4] lint

---
 animatplot/animation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/animatplot/animation.py b/animatplot/animation.py
index 564c170..ce19522 100644
--- a/animatplot/animation.py
+++ b/animatplot/animation.py
@@ -123,7 +123,7 @@ def timeline_slider(self, text='Time', ax=None, valfmt=None, color=None):
 
         if valfmt is None:
             if (np.issubdtype(self.timeline.t.dtype, np.datetime64)
-                or np.issubdtype(self.timeline.t.dtype, np.timedelta64)):
+               or np.issubdtype(self.timeline.t.dtype, np.timedelta64)):
                 valfmt = '%s'
             else:
                 valfmt = '%1.2f'