| 1 | #TODO: add comments to document this module |
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| 2 | #TODO: clean-up the exception handling. |
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| 3 | #TODO: clean-up existing comments/documentation. |
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| 4 | # For example, the _getModelList method advertises |
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| 5 | # an 'id' parameter that is not part of the method's signature. |
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| 6 | # It also advertises an ID as return value but it always returns zero. |
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| 7 | #TODO: clean-up the FractalAbsModel and PowerLawAbsModel menu items. Those |
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| 8 | # model definitions do not belong here. They belong with the rest of the |
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| 9 | # models. |
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| 10 | |
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| 11 | import wx |
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| 12 | import wx.lib.newevent |
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| 13 | import imp |
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| 14 | import os,sys,math |
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| 15 | import os.path |
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| 16 | |
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| 17 | (ModelEvent, EVT_MODEL) = wx.lib.newevent.NewEvent() |
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| 18 | |
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| 19 | # Time is needed by the log method |
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| 20 | import time |
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| 21 | |
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| 22 | # Explicitly import from the pluginmodel module so that py2exe |
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| 23 | # places it in the distribution. The Model1DPlugin class is used |
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| 24 | # as the base class of plug-in models. |
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| 25 | from sans.models.pluginmodel import Model1DPlugin |
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| 26 | |
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| 27 | def log(message): |
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| 28 | out = open("plugins.log", 'a') |
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| 29 | out.write("%10g: %s\n" % (time.clock(), message)) |
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| 30 | out.close() |
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| 31 | |
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| 32 | def findModels(): |
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| 33 | log("looking for models in: %s/plugins" % os.getcwd()) |
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| 34 | if os.path.isdir('plugins'): |
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| 35 | return _findModels('plugins') |
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| 36 | return [] |
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| 37 | |
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| 38 | def _findModels(dir): |
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| 39 | # List of plugin objects |
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| 40 | plugins = [] |
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| 41 | # Go through files in plug-in directory |
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| 42 | try: |
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| 43 | list = os.listdir(dir) |
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| 44 | for item in list: |
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| 45 | toks = os.path.splitext(os.path.basename(item)) |
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| 46 | if toks[1]=='.py' and not toks[0]=='__init__': |
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| 47 | name = toks[0] |
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| 48 | |
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| 49 | path = [os.path.abspath(dir)] |
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| 50 | file = None |
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| 51 | try: |
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| 52 | (file, path, info) = imp.find_module(name, path) |
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| 53 | module = imp.load_module( name, file, item, info ) |
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| 54 | if hasattr(module, "Model"): |
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| 55 | try: |
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| 56 | plugins.append(module.Model) |
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| 57 | except: |
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| 58 | log("Error accessing Model in %s\n %s" % (name, sys.exc_value)) |
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| 59 | except: |
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| 60 | log("Error accessing Model in %s\n %s" % (name, sys.exc_value)) |
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| 61 | finally: |
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| 62 | |
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| 63 | if not file==None: |
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| 64 | file.close() |
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| 65 | except: |
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| 66 | # Don't deal with bad plug-in imports. Just skip. |
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| 67 | pass |
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| 68 | return plugins |
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| 69 | |
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| 70 | class ModelList(object): |
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| 71 | """ |
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| 72 | Contains dictionary of model and their type |
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| 73 | """ |
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| 74 | def __init__(self): |
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| 75 | self.mydict={} |
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| 76 | |
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| 77 | def set_list(self, name, mylist): |
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| 78 | """ |
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| 79 | @param name: the type of the list |
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| 80 | @param mylist: the list to add |
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| 81 | """ |
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| 82 | if name not in self.mydict.keys(): |
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| 83 | self.mydict[name] = mylist |
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| 84 | |
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| 85 | |
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| 86 | def get_list(self): |
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| 87 | """ |
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| 88 | return all the list stored in a dictionary object |
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| 89 | """ |
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| 90 | return self.mydict |
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| 91 | |
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| 92 | class ModelManager: |
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| 93 | ## external dict for models |
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| 94 | model_combobox = ModelList() |
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| 95 | ## Dictionary of form models |
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| 96 | form_factor_dict = {} |
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| 97 | ## dictionary of other |
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| 98 | struct_factor_dict = {} |
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| 99 | ##list of form factors |
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| 100 | shape_list =[] |
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| 101 | ## independent shape model list |
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| 102 | shape_indep_list = [] |
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| 103 | ##list of structure factors |
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| 104 | struct_list= [] |
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| 105 | ##list of model allowing multiplication |
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| 106 | multiplication_factor=[] |
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| 107 | ## list of added models |
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| 108 | plugins=[] |
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| 109 | ## Event owner (guiframe) |
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| 110 | event_owner = None |
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| 111 | |
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| 112 | def _getModelList(self): |
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| 113 | """ |
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| 114 | List of models we want to make available by default |
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| 115 | for this application |
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| 116 | |
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| 117 | @param id: first event ID to register the menu events with |
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| 118 | @return: the next free event ID following the new menu events |
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| 119 | """ |
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| 120 | ## form factor |
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| 121 | from sans.models.SphereModel import SphereModel |
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| 122 | self.shape_list.append(SphereModel) |
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| 123 | self.multiplication_factor.append(SphereModel) |
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| 124 | |
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| 125 | from sans.models.CylinderModel import CylinderModel |
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| 126 | self.shape_list.append(CylinderModel) |
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| 127 | self.multiplication_factor.append(CylinderModel) |
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| 128 | |
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| 129 | #from sans.models.ParallelepipedModel import ParallelepipedModel |
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| 130 | #self.shape_list.append(ParallelepipedModel) |
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| 131 | #self.multiplication_factor.append(ParallelepipedModel) |
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| 132 | |
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| 133 | from sans.models.CoreShellModel import CoreShellModel |
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| 134 | self.shape_list.append(CoreShellModel) |
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| 135 | |
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| 136 | from sans.models.CoreShellCylinderModel import CoreShellCylinderModel |
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| 137 | self.shape_list.append(CoreShellCylinderModel) |
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| 138 | |
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| 139 | from sans.models.EllipticalCylinderModel import EllipticalCylinderModel |
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| 140 | self.shape_list.append(EllipticalCylinderModel) |
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| 141 | |
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| 142 | from sans.models.EllipsoidModel import EllipsoidModel |
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| 143 | self.shape_list.append(EllipsoidModel) |
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| 144 | self.multiplication_factor.append(EllipsoidModel) |
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| 145 | |
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| 146 | |
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| 147 | |
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| 148 | ## Structure factor |
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| 149 | |
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| 150 | from sans.models.SquareWellStructure import SquareWellStructure |
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| 151 | self.struct_list.append(SquareWellStructure) |
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| 152 | |
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| 153 | from sans.models.HardsphereStructure import HardsphereStructure |
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| 154 | self.struct_list.append(HardsphereStructure) |
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| 155 | |
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| 156 | from sans.models.StickyHSStructure import StickyHSStructure |
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| 157 | self.struct_list.append(StickyHSStructure) |
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| 158 | |
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| 159 | from sans.models.HayterMSAStructure import HayterMSAStructure |
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| 160 | self.struct_list.append(HayterMSAStructure) |
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| 161 | |
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| 162 | |
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| 163 | ##shape-independent models |
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| 164 | from sans.models.BEPolyelectrolyte import BEPolyelectrolyte |
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| 165 | self.shape_indep_list.append(BEPolyelectrolyte ) |
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| 166 | self.form_factor_dict[str(wx.NewId())] = [SphereModel] |
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| 167 | from sans.models.DABModel import DABModel |
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| 168 | self.shape_indep_list.append(DABModel ) |
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| 169 | |
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| 170 | from sans.models.GuinierModel import GuinierModel |
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| 171 | self.shape_indep_list.append(GuinierModel ) |
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| 172 | |
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| 173 | from sans.models.DebyeModel import DebyeModel |
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| 174 | self.shape_indep_list.append(DebyeModel ) |
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| 175 | |
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| 176 | from sans.models.PorodModel import PorodModel |
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| 177 | self.shape_indep_list.append(PorodModel ) |
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| 178 | |
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| 179 | from sans.models.LineModel import LineModel |
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| 180 | self.shape_indep_list.append(LineModel) |
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| 181 | |
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| 182 | from sans.models.FractalModel import FractalModel |
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| 183 | class FractalAbsModel(FractalModel): |
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| 184 | def _Fractal(self, x): |
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| 185 | return FractalModel._Fractal(self, math.fabs(x)) |
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| 186 | self.shape_indep_list.append(FractalAbsModel) |
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| 187 | |
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| 188 | from sans.models.LorentzModel import LorentzModel |
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| 189 | self.shape_indep_list.append( LorentzModel) |
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| 190 | |
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| 191 | from sans.models.PowerLawModel import PowerLawModel |
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| 192 | class PowerLawAbsModel(PowerLawModel): |
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| 193 | def _PowerLaw(self, x): |
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| 194 | try: |
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| 195 | return PowerLawModel._PowerLaw(self, math.fabs(x)) |
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| 196 | except: |
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| 197 | print sys.exc_value |
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| 198 | self.shape_indep_list.append( PowerLawAbsModel ) |
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| 199 | from sans.models.TeubnerStreyModel import TeubnerStreyModel |
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| 200 | self.shape_indep_list.append(TeubnerStreyModel ) |
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| 201 | |
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| 202 | #Looking for plugins |
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| 203 | self.plugins = findModels() |
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| 204 | |
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| 205 | return 0 |
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| 206 | |
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| 207 | |
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| 208 | def populate_menu(self, modelmenu, event_owner): |
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| 209 | """ |
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| 210 | Populate a menu with our models |
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| 211 | |
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| 212 | @param id: first menu event ID to use when binding the menu events |
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| 213 | @param modelmenu: wx.Menu object to populate |
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| 214 | @param event_owner: wx object to bind the menu events to |
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| 215 | @return: the next free event ID following the new menu events |
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| 216 | """ |
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| 217 | ## Fill model lists |
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| 218 | self._getModelList() |
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| 219 | ## store reference to model menu of guiframe |
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| 220 | self.modelmenu = modelmenu |
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| 221 | ## guiframe reference |
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| 222 | self.event_owner = event_owner |
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| 223 | |
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| 224 | |
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| 225 | shape_submenu = wx.Menu() |
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| 226 | shape_indep_submenu = wx.Menu() |
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| 227 | structure_factor = wx.Menu() |
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| 228 | added_models = wx.Menu() |
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| 229 | multip_models = wx.Menu() |
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| 230 | ## create menu with shape |
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| 231 | self._fill_simple_menu( menuinfo = ["Shapes",shape_submenu," simple shape"], |
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| 232 | list1 = self.shape_list ) |
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| 233 | |
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| 234 | self._fill_simple_menu( menuinfo = ["Shape-Independent",shape_indep_submenu, |
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| 235 | "List of shape-independent models"], |
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| 236 | list1 = self.shape_indep_list ) |
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| 237 | |
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| 238 | self._fill_simple_menu( menuinfo= ["Structure Factors",structure_factor, |
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| 239 | "List of Structure factors models" ], |
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| 240 | list1= self.struct_list ) |
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| 241 | |
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| 242 | self._fill_simple_menu( menuinfo = ["Customized Models", added_models, |
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| 243 | "List of additional models"], |
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| 244 | list1= self.plugins ) |
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| 245 | |
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| 246 | self._fill_menu(menuinfo=["P(Q)*S(Q)",multip_models, |
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| 247 | "mulplication of 2 models"], |
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| 248 | list1 = self.multiplication_factor , |
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| 249 | list2 = self.struct_list) |
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| 250 | |
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| 251 | |
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| 252 | return 0 |
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| 253 | |
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| 254 | def _fill_simple_menu(self,menuinfo, list1): |
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| 255 | """ |
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| 256 | Fill the menu with list item |
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| 257 | @param modelmenu: the menu to fill |
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| 258 | @param menuinfo: submenu item for the first column of this modelmenu |
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| 259 | with info.Should be a list : |
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| 260 | [name(string) , menu(wx.menu), help(string)] |
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| 261 | @param list1: contains item (form factor )to fill modelmenu second column |
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| 262 | """ |
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| 263 | if len(list1)>0: |
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| 264 | self.model_combobox.set_list(menuinfo[0],list1) |
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| 265 | |
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| 266 | for item in list1: |
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| 267 | id = wx.NewId() |
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| 268 | struct_factor=item() |
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| 269 | struct_name = struct_factor.__class__.__name__ |
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| 270 | if hasattr(struct_factor, "name"): |
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| 271 | struct_name = struct_factor.name |
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| 272 | |
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| 273 | menuinfo[1].Append(int(id),struct_name,struct_name) |
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| 274 | if not item in self.struct_factor_dict.itervalues(): |
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| 275 | self.struct_factor_dict[str(id)]= item |
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| 276 | wx.EVT_MENU(self.event_owner, int(id), self._on_model) |
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| 277 | |
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| 278 | id = wx.NewId() |
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| 279 | self.modelmenu.AppendMenu(id, menuinfo[0],menuinfo[1],menuinfo[2]) |
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| 280 | |
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| 281 | |
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| 282 | |
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| 283 | def _fill_menu(self,menuinfo, list1,list2 ): |
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| 284 | """ |
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| 285 | Fill the menu with list item |
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| 286 | @param menuinfo: submenu item for the first column of this modelmenu |
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| 287 | with info.Should be a list : |
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| 288 | [name(string) , menu(wx.menu), help(string)] |
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| 289 | @param list1: contains item (form factor )to fill modelmenu second column |
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| 290 | @param list2: contains item (Structure factor )to fill modelmenu third column |
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| 291 | """ |
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| 292 | if len(list1)>0: |
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| 293 | self.model_combobox.set_list(menuinfo[0],list1) |
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| 294 | |
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| 295 | for item in list1: |
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| 296 | form_factor= item() |
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| 297 | form_name = form_factor.__class__.__name__ |
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| 298 | if hasattr(form_factor, "name"): |
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| 299 | form_name = form_factor.name |
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| 300 | ### store form factor to return to other users |
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| 301 | newmenu= wx.Menu() |
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| 302 | if len(list2)>0: |
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| 303 | for model in list2: |
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| 304 | id = wx.NewId() |
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| 305 | struct_factor = model() |
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| 306 | name = struct_factor.__class__.__name__ |
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| 307 | if hasattr(struct_factor, "name"): |
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| 308 | name = struct_factor.name |
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| 309 | newmenu.Append(id,name, name) |
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| 310 | wx.EVT_MENU(self.event_owner, int(id), self._on_model) |
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| 311 | ## save form_fact and struct_fact |
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| 312 | self.form_factor_dict[int(id)] = [form_factor,struct_factor] |
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| 313 | |
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| 314 | form_id= wx.NewId() |
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| 315 | menuinfo[1].AppendMenu(int(form_id), form_name,newmenu,menuinfo[2]) |
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| 316 | id=wx.NewId() |
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| 317 | self.modelmenu.AppendMenu(id,menuinfo[0],menuinfo[1], menuinfo[2]) |
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| 318 | |
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| 319 | |
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| 320 | |
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| 321 | |
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| 322 | def _on_model(self, evt): |
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| 323 | """ |
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| 324 | React to a model menu event |
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| 325 | @param event: wx menu event |
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| 326 | """ |
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| 327 | if int(evt.GetId()) in self.form_factor_dict.keys(): |
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| 328 | from sans.models.MultiplicationModel import MultiplicationModel |
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| 329 | model1, model2 = self.form_factor_dict[int(evt.GetId())] |
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| 330 | model = MultiplicationModel(model1, model2) |
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| 331 | |
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| 332 | else: |
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| 333 | model= self.struct_factor_dict[str(evt.GetId())]() |
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| 334 | |
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| 335 | evt = ModelEvent( model= model ) |
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| 336 | wx.PostEvent(self.event_owner, evt) |
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| 337 | |
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| 338 | def get_model_list(self): |
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| 339 | """ @ return dictionary of models for fitpanel use """ |
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| 340 | self.model_combobox.set_list("multiplication", self.multiplication_factor) |
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| 341 | return self.model_combobox |
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| 342 | |
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| 343 | |
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| 344 | |
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| 345 | |
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| 346 | |
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| 347 | |
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