Range slider

ltk/widgets.py

@@ -833,6 +833,28 @@ def _set_value(self, value):
     def _get_value(self):
         return self.element.slider("value")
 
+class MinMaxSlider(Widget):
+    """ Wraps a jQuery range slider widget """
+    classes = [ "ltk-minmax-slider" ]
+
+    def __init__(self, values, min_value=0, max_value=10, horizontal=True, style=None):
+        Widget.__init__(self, style or DEFAULT_CSS)
+        self.element.slider(to_js({
+            "min": min_value,
+            "max": max_value,
+            "values": values,
+            "orientation": "horizontal" if horizontal else "vertical",
+            "range": True
+        }))
+        self.set_value(values)
+        self.on("slidechange", proxy(lambda *args: self.trigger("change")))
+
+    def _set_value(self, values):
+        if values != self._get_value():
+            self.element.slider("option", "values", to_js(values))
+
+    def _get_value(self):
+        return self.element.slider("option", "values")
 
 class Switch(HBox):
     """ A checkbox with special styling to resemble a switch/toggle """