source: sasview/src/sas/sasgui/guiframe/local_perspectives/plotting/SimplePlot.py @ 18f11a6

"""
Simple Plot Frame : supporting only copy, print, scale
"""
import wx
from sas.sasgui.guiframe.local_perspectives.plotting.Plotter2D import ModelPanel2D as PlotPanel
from sas.sasgui.plottools.toolbar import NavigationToolBar
from sas.sasgui.plottools.plottables import Graph
from sas.sasgui.guiframe.utils import PanelMenu
from sas.sasgui.guiframe.events import StatusEvent

class SimplePlotPanel(PlotPanel):
    """
    PlotPanel for 1d and 2d
    """
    _window_caption = 'Simple Plot'
    def __init__(self, parent, id=-1, color=None,
                 dpi=None, style=wx.NO_FULL_REPAINT_ON_RESIZE, **kwargs):
        """
        Init
        """
        PlotPanel.__init__(self, parent, id=id, style=style, **kwargs)

        self.SetColor(wx.WHITE)

        self.toolbar = NavigationToolBar(parent=self, canvas=self.canvas)
        self.toolbar.Show(False)
        self.scale = parent.scale
        self.window_caption = self._window_caption

    def draw(self):
        """
        """
        self.resizing = False
        self.canvas.set_resizing(self.resizing)
        self.canvas.draw()

    def add_toolbar(self):
        """
        """
        pass

    def onContextMenu(self, event):
        """
        2D plot context menu

        :param event: wx context event

        """
        slicerpop = PanelMenu()
        slicerpop.set_plots(self.plots)
        slicerpop.set_graph(self.graph)

        wx_id = wx.NewId()
        slicerpop.Append(wx_id, '&Save Image')
        wx.EVT_MENU(self, wx_id, self.onSaveImage)

        wx_id = wx.NewId()
        slicerpop.Append(wx_id, '&Print Image', 'Print image')
        wx.EVT_MENU(self, wx_id, self.onPrint)

        wx_id = wx.NewId()
        slicerpop.Append(wx_id, '&Copy to Clipboard', 'Copy to the clipboard')
        wx.EVT_MENU(self, wx_id, self.OnCopyFigureMenu)

        if self.dimension != 3:
            slicerpop.AppendSeparator()
            wx_id = wx.NewId()
            slicerpop.Append(wx_id, '&Toggle Grid On/Off', 'Toggle Grid On/Off')
            wx.EVT_MENU(self, wx_id, self.on_grid_onoff)

        if self.data.__class__.__name__ == 'Data1D':
            slicerpop.AppendSeparator()
            wx_id = wx.NewId()
            slicerpop.Append(wx_id, '&Change Scale')
            wx.EVT_MENU(self, wx_id, self._onProperties)
        elif self.data2D.__class__.__name__ == 'Data2D':
            slicerpop.AppendSeparator()
            wx_id = wx.NewId()
            slicerpop.Append(wx_id, '&Toggle Linear/Log Scale')
            wx.EVT_MENU(self, wx_id, self._onToggleScale)

        try:
            pos_evt = event.GetPosition()
            pos = self.ScreenToClient(pos_evt)
        except:
            pos_x, pos_y = self.toolbar.GetPositionTuple()
            pos = (pos_x, pos_y + 5)
        self.PopupMenu(slicerpop, pos)
        if self.scale is not None:
            self.parent.scale2d = self.scale

    def on_grid_onoff(self, event):
        """
        On grid on/off
        """
        switch = (not self.grid_on)
        self.onGridOnOff(switch)

    def onLeftDown(self, event):
        """
        left button down and ready to drag

        """
        # Check that the LEFT button was pressed
        if event.button == 1:
            self.leftdown = True
            ax = event.inaxes
            if ax is not None:
                self.xInit, self.yInit = event.xdata, event.ydata
                try:
                    pos_x = float(event.xdata)  # / size_x
                    pos_y = float(event.ydata)  # / size_y
                    pos_x = "%8.3g" % pos_x
                    pos_y = "%8.3g" % pos_y
                    self.position = str(pos_x), str(pos_y)
                    wx.PostEvent(self.parent, StatusEvent(status=self.position))
                except:
                    self.position = None

    def _OnReSize(self, event):
        """
        On response of the resize of a panel, set axes_visiable False
        """
        self.resizing = False
        if self.x_size is not None:
            if self.x_size == self.GetSize():
                self.canvas.set_resizing(self.resizing)
                return
        self.x_size = self.GetSize()

        # Ready for another event
        # Do not remove this Skip.
        # Otherwise it will get runtime error on wx>=2.9.
        event.Skip()
        # set the resizing flag
        self.canvas.set_resizing(self.resizing)
        pos_x, pos_y = self.GetPositionTuple()
        if pos_x != 0 and pos_y != 0:
            self.size, _ = self.GetClientSizeTuple()
        self.SetSizer(self.sizer)

    def on_set_focus(self, event):
        """
        By pass default boundary blue color drawing
        """
        pass

    def on_kill_focus(self, event):
        """
        Reset the panel color
        """
        pass

    def show_plot(self, plot):
        """
        Show the plot
        """
        _yaxis, _yunit = plot.get_yaxis()
        _xaxis, _xunit = plot.get_xaxis()
        self.data = plot
        self.plots[plot.name] = plot
        # Axis scales
        if plot.xtransform is not None:
            self.xLabel = plot.xtransform
        if plot.ytransform is not None:
            self.yLabel = plot.ytransform
        # Init graph
        self.graph = Graph()
        # Add plot: Handles both 1D and 2D
        self.graph.add(self.data)
        self.canvas.set_resizing(False)
        if self.data.__class__.__name__ == 'Data2D':
            self.data2D = plot
        elif self.data.__class__.__name__ == 'Data1D':
            self._onEVT_FUNC_PROPERTY(show=False)
        # Axes
        self.graph.xaxis(_xaxis, _xunit)
        self.graph.yaxis(_yaxis, _yunit)
        self.xaxis(_xaxis, _xunit)
        self.yaxis(_yaxis, _yunit)
        self.set_xscale(self.xscale)
        self.set_yscale(self.yscale)
        self.graph.render(self)

class PlotFrame(wx.Frame):
    """
    Frame for simple plot
    """
    def __init__(self, parent, id, title, scale='log_{10}',
                 size=wx.Size(550, 470), show_menu_icons=True):
        """
        comment
        :param parent: parent panel/container
        """
        # Initialize the Frame object
        wx.Frame.__init__(self, parent, id, title, wx.DefaultPosition, size)

        # Panel for 1D plot
        self.parent = parent
        self._mgr = None
        self.menu_bar = None
        self._default_save_location = None
        self.scale = scale
        self._show_menu_icons = show_menu_icons
        self.plotpanel = SimplePlotPanel(self, -1)
        self._build_menubar()

    def _build_menubar(self):
        """
        Build menubar
        """
        tsize = (13, 13)
        save_bmp = wx.ArtProvider.GetBitmap(wx.ART_FILE_SAVE_AS, wx.ART_TOOLBAR, tsize)
        quit_bmp = wx.ArtProvider.GetBitmap(wx.ART_QUIT, wx.ART_TOOLBAR, tsize)
        print_bmp = wx.ArtProvider.GetBitmap(wx.ART_PRINT, wx.ART_TOOLBAR, tsize)
        copy_bmp = wx.ArtProvider.GetBitmap(wx.ART_COPY, wx.ART_TOOLBAR, tsize)
        menu_bar = wx.MenuBar()

        menu = wx.Menu()
        id = wx.NewId()
        save_item = wx.MenuItem(menu, id, "&Save Image")
        menu.AppendItem(save_item)
        wx.EVT_MENU(self, id, self.on_save_file)

        id = wx.NewId()
        print_item = wx.MenuItem(menu, id, "&Print Image")
        menu.AppendItem(print_item)
        wx.EVT_MENU(self, id, self.on_print_image)

        menu.AppendSeparator()
        id = wx.NewId()
        quit_item = wx.MenuItem(menu, id, "&Quit")
        menu.AppendItem(quit_item)

        menu_bar.Append(menu, "&File")
        wx.EVT_MENU(self, id, self.on_close)

        menu_edit = wx.Menu()
        id = wx.NewId()
        copy_item = wx.MenuItem(menu_edit, id, "&Copy")
        menu_edit.AppendItem(copy_item)
        wx.EVT_MENU(self, id, self.on_copy_image)

        if self._show_menu_icons:
            save_item.SetBitmap(save_bmp)
            print_item.SetBitmap(print_bmp)
            quit_item.SetBitmap(quit_bmp)
            copy_item.SetBitmap(copy_bmp)

        menu_bar.Append(menu_edit, "&Edit")
        self.menu_bar = menu_bar
        self.SetMenuBar(self.menu_bar)

    def set_plot_unfocus(self):
        """
        un focusing
        """
        pass

    def add_plot(self, plot):
        """
        Add Image
        """
        plotpanel = self.plotpanel
        plotpanel.scale = self.scale
        plotpanel.show_plot(plot)

    def set_schedule_full_draw(self, panel, func):
        """
        """
        self.plotpanel.resizing = False

    def im_show(self, img):
        """
        Show background image
        :Param img: [imread(path) from matplotlib.pyplot]
        """
        self.plotpanel.subplot.imshow(img)

    def set_schedule(self, schedule=False):
        """
        """
        #Not implemented

    def disable_app_menu(self, panel):
        """
        """
        #Not implemented

    def get_current_context_menu(self, plotpanel):
        """
        """
        #Not implemented

    def on_save_file(self, event):
        """
        Save image
        """
        self.plotpanel.onSaveImage(event)

    def on_print_image(self, event):
        """
        Save image
        """
        self.plotpanel.onPrint(event)

    def on_print_preview(self, event):
        """
        Save image
        """
        self.plotpanel.onPrinterPreview(event)

    def on_copy_image(self, event):
        """
        Save image
        """
        self.plotpanel.OnCopyFigureMenu(event)

    def on_close(self, event):
        """
        On Close
        """
        try:
            self.parent.set_scale2d(self.scale)
            self.parent.on_panel_close(event)
        except:
            self.Destroy()