Merge pull request #501 from enthought/fix/functionplotter.py

Do not expose 'auto' for infinite series in functionplotter.py demo
enthought · Dec 31, 2019 · f3cefa6 · f3cefa6
2 parents bc40b07 + 3b91e3f
commit f3cefa6
Showing 1 changed file with 33 additions and 7 deletions.
diff --git a/examples/demo/functionplotter.py b/examples/demo/functionplotter.py
@@ -9,8 +9,8 @@
 
 # Enthought library imports
 from enable.api import Component, ComponentEditor
-from traits.api import HasTraits, Instance, Int
-from traitsui.api import Item, Group, HGroup, View
+from traits.api import HasTraits, Instance, Int, Enum
+from traitsui.api import Item, Group, HGroup, View, TextEditor
 
 # Chaco imports
 from chaco.api import ScatterPlot, DataView, LinePlot
@@ -22,18 +22,35 @@ class PlotExample(HasTraits):
     plot = Instance(Component)
     numpoints = Int(500)
 
+    low_mode = Enum("value", "track")
+    high_mode = Enum("value", "track")
+
+
     traits_view = View(
         Group(
             Item('plot', editor=ComponentEditor(), show_label=False),
             HGroup(
                 HGroup(
-                    Item('object.plot.x_mapper.range.low_setting', label='Low'),
-                    Item('object.plot.x_mapper.range.high_setting', label='High'),
+                    Item('object.plot.x_mapper.range.low_setting', label='Low',
+                         editor=TextEditor(),
+                         visible_when='object.low_mode == "value" ', ),
+                    Item('low_mode', label='Low Mode'),
+                    Item('object.plot.x_mapper.range.high_setting',
+                         label='High', editor=TextEditor(),
+                         visible_when='object.high_mode == "value" '),
+                    Item('high_mode', label='High Mode'),
+                    Item('object.plot.x_mapper.range.tracking_amount',
+                         label='Tracking Amount',
+                         editor=TextEditor(read_only=True),
+                         visible_when='object.high_mode == "track" or '
+                                      'object.low_mode == "track"'),
                     label='X', show_border=True
                 ),
                 HGroup(
-                    Item('object.plot.y_mapper.range.low_setting', label='Low'),
-                    Item('object.plot.y_mapper.range.high_setting', label='High'),
+                    Item('object.plot.y_mapper.range.low_setting',
+                         label='Low', editor=TextEditor()),
+                    Item('object.plot.y_mapper.range.high_setting',
+                         label='High', editor=TextEditor()),
                     label='Y', show_border=True
                 ),
             ),
@@ -51,6 +68,14 @@ def yfunc(self, low, high):
         x = self.xfunc(low, high)
         return sin(1.0/x)
 
+    def _low_mode_changed(self, newvalue):
+        if newvalue != "value":
+            self.plot.x_mapper.range.low_setting = newvalue
+
+    def _high_mode_changed(self, newvalue):
+        if newvalue != "value":
+            self.plot.x_mapper.range.high_setting = newvalue
+
     def _plot_default(self):
         container = DataView()
 
@@ -78,7 +103,8 @@ def _plot_default(self):
                         color = "lightgray")
 
         container.add(plot2, plot)
-        plot.tools.append(PanTool(plot, constrain_direction="x", constrain=True))
+        plot.tools.append(PanTool(plot, constrain_direction="x",
+                                  constrain=True))
         plot.tools.append(ZoomTool(plot, axis="index", tool_mode="range"))
 
         return container