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# Source code for tecplot.plot.title

    from .. import session
    from ..constant import *
    from ..exception import *
    from ..tecutil import sv
    from .. import text

    class AxisTitle(session.Style):
        def __init__(self, axis):
            self.axis = axis
            super().__init__(axis._sv, sv.TITLE, **axis._style_attrs)

        @property
        def text(self):
            """The text of the title for this axis.

            :type: `string <str>`

            Example usage::

                >>> axis.title.text = 'distance (m)'
            """
            return self._get_style(str, sv.TEXT)

        @text.setter
        def text(self, value):
            self._set_style(str(value), sv.TEXT)

        @property
        def show(self):
            """Place title along the axis.

            :type: `boolean <bool>`

            Example usage::

                >>> axis.title.show = False
            """
            return self._get_style(bool, sv.SHOWONAXISLINE)

        @show.setter
        def show(self, show):
            self._set_style(bool(show), sv.SHOWONAXISLINE)

        @property
        def position(self):
            """Percent along axis line to place title.

            :type: `float`

            Example usage::

                >>> axis.title.position = 50
            """
            return self._get_style(float, sv.PERCENTALONGLINE)

        @position.setter
        def position(self, value):
            self._set_style(float(value), sv.PERCENTALONGLINE)

        @property
        def color(self):
            """Text color of axis title.

            :type: `Color`

            Example usage::

                >>> from tecplot.constant import Color
                >>> axis.title.color = Color.Blue
            """
            return self._get_style(Color, sv.COLOR)

        @color.setter
        def color(self, value):
            self._set_style(Color(value), sv.COLOR)

        @property
        def offset(self):
            """Transverse offset of the title from the axis.

            :type: `float` in percent of frame height.

            Positive values are outside the axes, negative numbers
            are inside the axes. Example usage::

                >>> axis.title.offset = 5
            """
            return self._get_style(float, sv.OFFSET)

        @offset.setter
        def offset(self, value):
            self._set_style(float(value), sv.OFFSET)

        @property
        def font(self):
            """Typeface and size of the text.

            :type: `text.Font`

            Example usage::

                >>> axis.title.font.size = 5
            """
            return text.Font(self)

    class Axis2DTitle(AxisTitle):
        """Sketch plot axis label string, font and style control.

        .. code-block:: python
            :emphasize-lines: 1

            import tecplot as tp
            from tecplot.constant import PlotType, Color

            plot = tp.active_frame().plot(PlotType.Sketch)

            viewport = plot.axes.viewport
            viewport.left = 10
            viewport.right = 90
            viewport.bottom = 10

            xaxis = plot.axes.x_axis
            xaxis.show = True
            xaxis.title.text = 'distance (m)'
            xaxis.title.color = Color.DarkTurquoise
            xaxis.title.offset = -7

            tp.export.save_png('axis_title_sketch.png', 600, supersample=3)

        ..  figure:: /_static/images/axis_title_sketch.png
            :width: 300px
            :figwidth: 300px
        """
        @property
        def show_on_border_min(self):
            """Draw title along the lower grid area border.

            :type: `bool`

            Example usage::

                >>> axis.title.show_on_border_min = True
            """
            return self._get_style(bool, sv.SHOWONGRIDBORDERMIN)

        @show_on_border_min.setter
        def show_on_border_min(self, value):
            self._set_style(bool(value), sv.SHOWONGRIDBORDERMIN)

        @property
        def show_on_border_max(self):
            """Draw title along the upper grid area border.

            :type: `bool`

            Example usage::

                >>> axis.title.show_on_border_max = True
            """
            return self._get_style(bool, sv.SHOWONGRIDBORDERMAX)

        @show_on_border_max.setter
        def show_on_border_max(self, value):
            self._set_style(bool(value), sv.SHOWONGRIDBORDERMAX)

    class Axis3DTitle(AxisTitle):
        @property
        def show_on_opposite_edge(self):
            """Draw the title on the opposite edge of the grid.

            :type: `boolean <bool>`

            Example usage::

                >>> axis.title.show_on_opposite_edge = True
            """
            return self._get_style(bool, sv.SHOWONOPPOSITEEDGE)

        @show_on_opposite_edge.setter
        def show_on_opposite_edge(self, value):
            self._set_style(bool(value), sv.SHOWONOPPOSITEEDGE)

    class DataAxisTitle(AxisTitle):
        @property
        def title_mode(self):
            """Define the source for the axis title.

            :type: `AxisTitleMode`

            Possible values: `AxisTitleMode.UseText` or `AxisTitleMode.UseVarName`.

            Example usage::

                >>> from tecplot.constant import AxisTitleMode
                >>> axis.title.title_mode = AxisTitleMode.UseVarName
            """
            return self._get_style(AxisTitleMode, sv.TITLEMODE)

        @title_mode.setter
        def title_mode(self, value):
            value = AxisTitleMode(value)
            if __debug__:
                if value not in [AxisTitleMode.UseText, AxisTitleMode.UseVarName]:
                    msg = dedent('''\
                        title_mode must be one of: AxisTitleMode.UseText,
                        AxisTitleMode.UseVarName.''')
                    raise TecplotLogicError(msg)
            self._set_style(value, sv.TITLEMODE)

        @property
        def text(self):
            """The text of the title for this axis.

            :type: `string <str>`

            The ``title_mode`` attribute must be set to `AxisTitleMode.UseText`::

                >>> from tecplot.constant import AxisTitleMode
                >>> axis.title.title_mode = AxisTitleMode.UseText
                >>> axis.title.text = 'distance (m)'
            """
            return self._get_style(str, sv.TEXT)

        @text.setter
        def text(self, value):
            self._set_style(str(value), sv.TEXT)

    class DataAxis2DTitle(DataAxisTitle, Axis2DTitle):
        """Axis label string, font and style control for 2D data plots.

        .. code-block:: python
            :emphasize-lines: 20-22,25,28-30,33

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, SurfacesToPlot, Color, AxisTitleMode

            examples_dir = tp.session.tecplot_examples_directory()
            infile = path.join(examples_dir, 'SimpleData', 'F18.plt')
            dataset = tp.data.load_tecplot(infile)

            plot = tp.active_frame().plot(PlotType.Cartesian2D)
            plot.activate()

            plot.show_contour = True
            plot.contour(0).variable = dataset.variable('S')
            plot.contour(0).colormap_name = 'Sequential - Yellow/Green/Blue'
            plot.contour(0).legend.show = False

            plot.fieldmap(0).surfaces.surfaces_to_plot = SurfacesToPlot.BoundaryFaces

            xaxis = plot.axes.x_axis
            xaxis.title.title_mode = AxisTitleMode.UseText
            xaxis.title.text = 'Longitudinal (m)'
            xaxis.title.color = Color.Blue

            # place the x-axis title at the x-coordinate 10.0
            xaxis.title.position = 100 * (10.0 - xaxis.min) / (xaxis.max - xaxis.min)

            yaxis = plot.axes.y_axis
            yaxis.title.title_mode = AxisTitleMode.UseText
            yaxis.title.text = 'Transverse (m)'
            yaxis.title.color = Color.Blue

            # place the y-axis title at the y-coordinate 0.0
            yaxis.title.position = 100 * (0.0 - yaxis.min) / (yaxis.max - yaxis.min)

            tp.export.save_png('axis_title_2d.png', 600, supersample=3)

        ..  figure:: /_static/images/axis_title_2d.png
            :width: 300px
            :figwidth: 300px
        """

    class DataAxis3DTitle(DataAxisTitle, Axis3DTitle):
        """Axis label string, font and style control for 3D plots.

        .. code-block:: python
            :emphasize-lines: 21-24,28-31,35-38

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, SurfacesToPlot, Color, AxisTitleMode

            examples_dir = tp.session.tecplot_examples_directory()
            infile = path.join(examples_dir, 'SimpleData', 'F18.plt')
            dataset = tp.data.load_tecplot(infile)

            plot = tp.active_frame().plot(PlotType.Cartesian3D)
            plot.activate()

            plot.show_contour = True
            plot.contour(0).variable = dataset.variable('S')
            plot.contour(0).colormap_name = 'Sequential - Yellow/Green/Blue'
            plot.contour(0).legend.show = False

            plot.fieldmap(0).surfaces.surfaces_to_plot = SurfacesToPlot.BoundaryFaces

            xaxis = plot.axes.x_axis
            xaxis.show = True
            xaxis.title.title_mode = AxisTitleMode.UseText
            xaxis.title.text = 'Longitudinal (m)'
            xaxis.title.color = Color.BluePurple
            xaxis.title.position = 10

            yaxis = plot.axes.y_axis
            yaxis.show = True
            yaxis.title.title_mode = AxisTitleMode.UseText
            yaxis.title.text = 'Transverse (m)'
            yaxis.title.color = Color.BluePurple
            yaxis.title.position = 90

            zaxis = plot.axes.z_axis
            zaxis.show = True
            zaxis.title.title_mode = AxisTitleMode.UseText
            zaxis.title.text = 'Height (m)'
            zaxis.title.color = Color.BluePurple
            zaxis.title.offset = 13

            plot.view.fit()

            tp.export.save_png('axis_title_3d.png', 600, supersample=3)

        ..  figure:: /_static/images/axis_title_3d.png
            :width: 300px
            :figwidth: 300px
        """

    class RadialAxisTitle(DataAxis2DTitle):
        """Radial axis label string, font and style control for polar plots.

        .. code-block:: python
            :emphasize-lines: 29-33

            import numpy as np
            import tecplot as tp
            from tecplot.constant import PlotType, Color, AxisTitleMode

            npoints = 300
            r = np.linspace(0, 2000, npoints)
            theta = np.linspace(0, 1000, npoints)

            frame = tp.active_frame()
            dataset = frame.create_dataset('Data', ['R', 'Theta'])
            zone = dataset.add_ordered_zone('Zone', (300,))
            zone.values('R')[:] = r
            zone.values('Theta')[:] = theta

            plot = frame.plot(PlotType.PolarLine)
            plot.activate()

            plot.axes.r_axis.max = np.max(r)

            plot.delete_linemaps()
            lmap = plot.add_linemap('Linemap', zone, dataset.variable('R'),
                                    dataset.variable('Theta'))
            lmap.line.line_thickness = 0.8

            raxis = plot.axes.r_axis
            raxis.line.show_both_directions = True
            raxis.line.show_perpendicular = True

            raxis.title.title_mode = AxisTitleMode.UseText
            raxis.title.text = 'Radial Position (cm)'
            raxis.title.show_on_all_radial_axes = True
            raxis.title.color = Color.Blue
            raxis.title.position = 80

            plot.view.fit()

            tp.export.save_png('axis_title_radial.png', 600, supersample=3)

        ..  figure:: /_static/images/axis_title_radial.png
            :width: 300px
            :figwidth: 300px
        """

        @property
        def show_on_all_radial_axes(self):
            """Draw title along all radial axis lines.

            :type: `boolean <bool>`

            Example usage::

                >>> plot.axes.r_axis.line.show_perpendicular = True
                >>> plot.axes.r_axis.title.show_on_all_radial_axes = True
            """
            return self._get_style(bool, sv.SHOWONALLAXES)

        @show_on_all_radial_axes.setter
        def show_on_all_radial_axes(self, value):
            self._set_style(bool(value), sv.SHOWONALLAXES)

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