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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 | |
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95 | def _on_plot_event(self, event): |
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96 | """ |
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97 | A new plottable is being shipped to the plotting plug-in. |
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98 | Check whether we have a panel to put in on, or create |
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99 | a new one |
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100 | |
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101 | :param event: EVT_NEW_PLOT event |
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102 | |
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103 | """ |
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104 | # Check whether we already have a graph with the same units |
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105 | # as the plottable we just received. |
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106 | |
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107 | is_available = False |
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108 | for panel in self.plot_panels: |
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109 | if event.plot._xunit == panel.graph.prop["xunit_base"] \ |
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110 | and event.plot._yunit == panel.graph.prop["yunit_base"]: |
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111 | if hasattr(event.plot, "group_id"): |
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112 | ## if same group_id used the same panel to plot |
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113 | if not event.plot.group_id==None \ |
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114 | and event.plot.group_id==panel.group_id: |
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115 | is_available = True |
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116 | |
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117 | panel._onEVT_1DREPLOT(event) |
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118 | self.parent.show_panel(panel.uid) |
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119 | else: |
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120 | # Check that the plot panel has no group ID |
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121 | ## Use a panel with group_id ==None to plot |
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122 | |
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123 | if panel.group_id==None: |
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124 | is_available = True |
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125 | panel._onEVT_1DREPLOT(event) |
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126 | self.parent.show_panel(panel.uid) |
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127 | |
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128 | # Create a new plot panel if none was available |
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129 | if not is_available: |
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130 | #print"event.plot",hasattr(event.plot,'data') |
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131 | if not hasattr(event.plot,'data'): |
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132 | from Plotter1D import ModelPanel1D |
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133 | ## get the data representation label of the data to plot |
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134 | ## when even the user select "change scale" |
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135 | if hasattr(event.plot,"xtransform"): |
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136 | xtransform = event.plot.xtransform |
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137 | else: |
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138 | xtransform =None |
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139 | |
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140 | if hasattr(event.plot,"ytransform"): |
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141 | ytransform= event.plot.ytransform |
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142 | else: |
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143 | ytransform=None |
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144 | ## create a plotpanel for 1D Data |
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145 | new_panel = ModelPanel1D(self.parent, -1,xtransform=xtransform, |
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146 | ytransform=ytransform, style=wx.RAISED_BORDER) |
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147 | |
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148 | else: |
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149 | ##Create a new plotpanel for 2D data |
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150 | from Plotter2D import ModelPanel2D |
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151 | new_panel = ModelPanel2D(self.parent, id = -1, data2d=event.plot,style=wx.RAISED_BORDER) |
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152 | |
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153 | ## Set group ID if available |
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154 | ## Assign data properties to the new create panel |
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155 | group_id_str = '' |
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156 | if hasattr(event.plot, "group_id"): |
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157 | if not event.plot.group_id==None: |
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158 | new_panel.group_id = event.plot.group_id |
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159 | group_id_str = ' [%s]' % event.plot.group_id |
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160 | |
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161 | if hasattr(event, "title"): |
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162 | new_panel.window_caption = event.title |
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163 | new_panel.window_name = event.title |
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164 | |
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165 | event_id = self.parent.popup_panel(new_panel) |
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166 | #remove the default item in the menu |
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167 | if len(self.plot_panels) == 0: |
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168 | self.menu.RemoveItem(self.menu.FindItemByPosition(0)) |
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169 | |
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170 | self.menu.Append(event_id, new_panel.window_caption, |
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171 | "Show %s plot panel" % new_panel.window_caption) |
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172 | # Set UID to allow us to reference the panel later |
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173 | new_panel.uid = event_id |
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174 | # Ship the plottable to its panel |
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175 | new_panel._onEVT_1DREPLOT(event) |
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176 | self.plot_panels.append(new_panel) |
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177 | |
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178 | return |
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179 | |
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