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| 2 | |
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| 3 | |
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| 4 | ################################################################################ |
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| 5 | #This software was developed by the University of Tennessee as part of the |
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| 6 | #Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
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| 7 | #project funded by the US National Science Foundation. |
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| 8 | # |
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| 9 | #See the license text in license.txt |
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| 10 | # |
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| 11 | #copyright 2008, University of Tennessee |
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| 12 | ################################################################################ |
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| 13 | |
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| 14 | import wx |
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| 15 | import sys |
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| 16 | from sans.guicomm.events import EVT_NEW_PLOT |
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| 17 | from sans.guicomm.events import StatusEvent |
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| 18 | |
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| 19 | |
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| 20 | class Plugin: |
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| 21 | """ |
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| 22 | Plug-in class to be instantiated by the GUI manager |
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| 23 | """ |
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| 24 | |
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| 25 | def __init__(self): |
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| 26 | """ |
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| 27 | Initialize the plug-in |
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| 28 | """ |
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| 29 | ## Plug-in name |
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| 30 | self.sub_menu = "Plotting" |
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| 31 | |
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| 32 | ## Reference to the parent window |
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| 33 | self.parent = None |
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| 34 | |
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| 35 | ## List of panels for the simulation perspective (names) |
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| 36 | self.perspective = [] |
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| 37 | |
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| 38 | ## Plot panels |
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| 39 | self.plot_panels = [] |
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| 40 | |
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| 41 | def populate_menu(self, id, parent): |
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| 42 | """ |
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| 43 | Create a 'Plot' menu to list the panels |
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| 44 | available for displaying |
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| 45 | |
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| 46 | :param id: next available unique ID for wx events |
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| 47 | :param parent: parent window |
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| 48 | |
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| 49 | """ |
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| 50 | self.menu = wx.Menu() |
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| 51 | |
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| 52 | self.menu.Append(wx.NewId(), "No plot available", |
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| 53 | "No plot available") |
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| 54 | self.menu.FindItemByPosition(0).Enable(False) |
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| 55 | return [(id, self.menu, "Plot")] |
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| 56 | |
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| 57 | def get_panels(self, parent): |
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| 58 | """ |
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| 59 | Create and return a list of panel objects |
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| 60 | """ |
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| 61 | ## Save a reference to the parent |
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| 62 | self.parent = parent |
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| 63 | # Connect to plotting events |
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| 64 | self.parent.Bind(EVT_NEW_PLOT, self._on_plot_event) |
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| 65 | # We have no initial panels for this plug-in |
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| 66 | return [] |
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| 67 | |
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| 68 | def get_perspective(self): |
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| 69 | """ |
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| 70 | Get the list of panel names for this perspective |
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| 71 | """ |
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| 72 | return self.perspective |
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| 73 | |
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| 74 | def on_perspective(self, event): |
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| 75 | """ |
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| 76 | Call back function for the perspective menu item. |
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| 77 | We notify the parent window that the perspective |
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| 78 | has changed. |
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| 79 | @param event: menu event |
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| 80 | """ |
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| 81 | self.parent.set_perspective(self.perspective) |
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| 82 | |
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| 83 | def post_init(self): |
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| 84 | """ |
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| 85 | Post initialization call back to close the loose ends |
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| 86 | [Somehow openGL needs this call] |
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| 87 | """ |
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| 88 | pass |
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| 89 | |
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| 90 | def _on_show_panel(self, event): |
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| 91 | """show plug-in panel""" |
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| 92 | pass |
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| 93 | |
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| 94 | def _on_plot_event(self, event): |
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| 95 | """ |
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| 96 | A new plottable is being shipped to the plotting plug-in. |
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| 97 | Check whether we have a panel to put in on, or create |
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| 98 | a new one |
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| 99 | |
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| 100 | :param event: EVT_NEW_PLOT event |
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| 101 | |
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| 102 | """ |
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| 103 | # Check whether we already have a graph with the same units |
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| 104 | # as the plottable we just received. |
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| 105 | |
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| 106 | is_available = False |
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| 107 | for panel in self.plot_panels: |
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| 108 | if event.plot._xunit == panel.graph.prop["xunit_base"] \ |
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| 109 | and event.plot._yunit == panel.graph.prop["yunit_base"]: |
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| 110 | if hasattr(event.plot, "group_id"): |
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| 111 | ## if same group_id used the same panel to plot |
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| 112 | if not event.plot.group_id == None \ |
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| 113 | and event.plot.group_id == panel.group_id: |
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| 114 | is_available = True |
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| 115 | panel._onEVT_1DREPLOT(event) |
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| 116 | self.parent.show_panel(panel.uid) |
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| 117 | else: |
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| 118 | # Check that the plot panel has no group ID |
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| 119 | ## Use a panel with group_id ==None to plot |
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| 120 | if panel.group_id == None: |
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| 121 | is_available = True |
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| 122 | panel._onEVT_1DREPLOT(event) |
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| 123 | self.parent.show_panel(panel.uid) |
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| 124 | # Create a new plot panel if none was available |
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| 125 | if not is_available: |
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| 126 | #print"event.plot",hasattr(event.plot,'data') |
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| 127 | if not hasattr(event.plot, 'data'): |
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| 128 | from Plotter1D import ModelPanel1D |
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| 129 | ## get the data representation label of the data to plot |
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| 130 | ## when even the user select "change scale" |
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| 131 | if hasattr(event.plot, "xtransform"): |
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| 132 | xtransform = event.plot.xtransform |
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| 133 | else: |
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| 134 | xtransform = None |
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| 135 | |
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| 136 | if hasattr(event.plot, "ytransform"): |
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| 137 | ytransform = event.plot.ytransform |
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| 138 | else: |
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| 139 | ytransform = None |
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| 140 | ## create a plotpanel for 1D Data |
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| 141 | new_panel = ModelPanel1D(self.parent, -1, xtransform=xtransform, |
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| 142 | ytransform=ytransform, style=wx.RAISED_BORDER) |
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| 143 | else: |
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| 144 | ##Create a new plotpanel for 2D data |
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| 145 | from Plotter2D import ModelPanel2D |
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| 146 | new_panel = ModelPanel2D(self.parent, id = -1, |
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| 147 | data2d=event.plot, style=wx.RAISED_BORDER) |
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| 148 | ## Set group ID if available |
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| 149 | ## Assign data properties to the new create panel |
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| 150 | group_id_str = '' |
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| 151 | if hasattr(event.plot, "group_id"): |
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| 152 | if not event.plot.group_id == None: |
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| 153 | new_panel.group_id = event.plot.group_id |
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| 154 | group_id_str = ' [%s]' % event.plot.group_id |
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| 155 | if hasattr(event, "title"): |
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| 156 | new_panel.window_caption = event.title |
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| 157 | new_panel.window_name = event.title |
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| 158 | event_id = self.parent.popup_panel(new_panel) |
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| 159 | #remove the default item in the menu |
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| 160 | if len(self.plot_panels) == 0: |
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| 161 | self.menu.RemoveItem(self.menu.FindItemByPosition(0)) |
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| 162 | self.menu.Append(event_id, new_panel.window_caption, |
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| 163 | "Show %s plot panel" % new_panel.window_caption) |
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| 164 | # Set UID to allow us to reference the panel later |
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| 165 | new_panel.uid = event_id |
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| 166 | # Ship the plottable to its panel |
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| 167 | new_panel._onEVT_1DREPLOT(event) |
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| 168 | self.plot_panels.append(new_panel) |
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| 169 | |
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| 170 | return |
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| 171 | |
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