Add empty progress bar (#2088)

* Add -1 to lower bound for Progress * Update unittest
holoviz · Apr 8, 2021 · 10c7db9 · 10c7db9
1 parent d254381
commit 10c7db9
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/panel/tests/widgets/test_misc.py b/panel/tests/widgets/test_misc.py
@@ -41,7 +41,7 @@ def test_audio_url(document, comm):
 def test_progress_bounds():
     progress = Progress()
     progress.max = 200
-    assert progress.param.value.bounds == (0, 200)
+    assert progress.param.value.bounds == (-1, 200)
     progress.value = 120
     assert progress.value == 120
 

diff --git a/panel/widgets/indicators.py b/panel/widgets/indicators.py
@@ -122,18 +122,18 @@ class Progress(ValueIndicator):
 
     max = param.Integer(default=100, doc="The maximum value of the progress bar.")
 
-    value = param.Integer(default=None, bounds=(0, None), doc="""
+    value = param.Integer(default=None, bounds=(-1, None), doc="""
         The current value of the progress bar. If set to None the progress
         bar will be indeterminate and animate depending on the active
-        parameter.""")
+        parameter. If set to -1 the progress bar will be empty.""")
 
     _rename = {'name': None}
 
     _widget_type = _BkProgress
 
     @param.depends('max', watch=True)
     def _update_value_bounds(self):
-        self.param.value.bounds = (0, self.max)
+        self.param.value.bounds = (-1, self.max)
 
     def __init__(self,**params):
         super().__init__(**params)