Chaco multiple plots and axes

template_render.py

    def view (self, data) :
        index, filteredIndex = self.dataIndex (data)
        indexData = ArrayDataSource (filteredIndex, sort_order = "ascending")
        indexMapper = LinearMapper (range = DataRange1D (indexData))
        grid = ChacoGridContainer (padding = 35,
                                   padding_bottom = 65,
                                   fill_padding = True,
                                   use_backbuffer = True,
                                   shape = gridShape (len (self._grid)),
                                   spacing = (0, 0))
        containers = []
        axisWidth = Config.get ("Charts", "axisWidth")
        labelFontSize = Config.get ("Charts", "labelFontSize")
        labelFontBold = Config.get ("Charts", "labelFontBold")
        labelFont = "Sans %s %s" % (labelFontSize, "bold" if labelFontBold else "")

        for plot in self._grid :
            container = PlotContainer (
                _dates = filteredIndex,
                range_ = True,
                template = self,
                bgcolor = "yellow")
            container.setTemplate (self)
            axes = {}
            mappers = {}

            for i, line in enumerate (plot.lines ()) :
                value = ArrayDataSource (line.data (data, index))
                res_type = getResourceType (line)
                if res_type not in mappers :
                    mappers[res_type] = LinearMapper (
                        range = DataRange1D (value))
                p = line.plot (
                    (indexData, indexMapper),
                    (value, mappers[res_type]))

                if res_type not in axes :
                    axes[res_type] = (PlotAxis (mapper = mappers[res_type],
                                                orientation = "right",
                                                resizable = 'v',
                                                padding_left = 10,
                                                padding_right = 10,
                                                title = "%s" % res_type,
                                                bounds = [axisWidth, 0],
                                                tick_label_font = labelFont,
                                                tick_label_formatter = labelFormatter,
                                                border_visible = False))
                container.add (line.name (), p)
                containers.append (container)
            axesCount = len(axes)
            hcontainer = HPlotContainer (
                bgcolor = "blue")
            hcontainer.add (container.plot ("%s: %s" % (self._name, plot.name ()),
                                            self._xaxis))
            for axis in axes.values () :
                hcontainer.add (axis)

            grid.add (hcontainer)

        return grid, indexData, indexMapper, containers