Changeset b0c5e8c in sasview for src/sas/qtgui/Perspectives/Fitting/FittingOptions.py

Timestamp:

Jun 15, 2017 6:24:49 AM (7 years ago)

Author:

Piotr Rozyczko <rozyczko@…>

Branches:

ESS_GUI, ESS_GUI_Docs, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_iss879, ESS_GUI_iss959, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc

Children:

72f4834

Parents:

144ec831

Message:

Unit tests for fitting options dialog SASVIEW-514

File:

• src/sas/qtgui/Perspectives/Fitting/FittingOptions.py (modified) (7 diffs)

src/sas/qtgui/Perspectives/Fitting/FittingOptions.py

@@ -2 +2 @@
 import sys
 import os
+import types
+
 from PyQt4 import QtCore
 from PyQt4 import QtGui
@@ -8 +10 @@
 from sas.qtgui.UI import images_rc
 from sas.qtgui.UI import main_resources_rc
-#from bumps.fitters import FITTERS, FIT_AVAILABLE_IDS, FIT_ACTIVE_IDS, FIT_DEFAULT_ID
+import sas.qtgui.Utilities.GuiUtils as GuiUtils
+
 from bumps import fitters
 import bumps.options
@@ -31 +34 @@
         settings = [('steps', 1000), ('starts', 1), ('radius', 0.15), ('xtol', 1e-6), ('ftol', 1e-8)]
     """
-    fit_option_changed = QtCore.pyqtSignal(str, dict)
+    fit_option_changed = QtCore.pyqtSignal(str)
 
     def __init__(self, parent=None, config=None):
@@ -49 +52 @@
         # Handle the Apply button click
         self.buttonBox.button(QtGui.QDialogButtonBox.Ok).clicked.connect(self.onApply)
+        # handle the Help button click
+        self.buttonBox.button(QtGui.QDialogButtonBox.Help).clicked.connect(self.onHelp)
 
         # Handle the combo box changes
@@ -57 +62 @@
         default_index = self.cbAlgorithm.findText(default_name)
         self.cbAlgorithm.setCurrentIndex(default_index)
+
+        # Assign appropriate validators
+        self.assignValidators()
+
         self.current_fitter_id = fitters.FIT_DEFAULT_ID
 
-        # Fill in options for all active fitters
-        #[self.updateWidgetFromBumps(fitter_id) for fitter_id in fitters.FIT_ACTIVE_IDS]
+        # Display HTML content
+        self.helpView = QtWebKit.QWebView()
+
+    def assignValidators(self):
+        """
+        Use options.FIT_FIELDS to assert which line edit gets what validator
+        """
+        for option in bumps.options.FIT_FIELDS.iterkeys():
+            (f_name, f_type) = bumps.options.FIT_FIELDS[option]
+            validator = None
+            if type(f_type) == types.FunctionType:
+                validator = QtGui.QIntValidator()
+            elif f_type == types.FloatType:
+                validator = QtGui.QDoubleValidator()
+            else:
+                continue
+            for fitter_id in fitters.FIT_ACTIVE_IDS:
+                line_edit = self.widgetFromOption(str(option), current_fitter=str(fitter_id))
+                if hasattr(line_edit, 'setValidator') and validator is not None:
+                    line_edit.setValidator(validator)
 
     def onAlgorithmChange(self, index):
@@ -75 +102 @@
         # Convert the name into widget instance
         widget_to_activate = eval(widget_name)
+        index_for_this_id = self.stackedWidget.indexOf(widget_to_activate)
 
         # Select the requested widget
-        self.stackedWidget.setCurrentIndex(self.stackedWidget.indexOf(widget_to_activate))
+        self.stackedWidget.setCurrentIndex(index_for_this_id)
 
         self.updateWidgetFromBumps(self.current_fitter_id)
 
+        self.assignValidators()
+
     def onApply(self):
         """
-        Update the fitter object in perspective
+        Update the fitter object
         """
-        self.fit_option_changed.emit(self.cbAlgorithm.currentText(), {})
+        # Notify the perspective, so the window title is updated
+        self.fit_option_changed.emit(self.cbAlgorithm.currentText())
 
-        # or just do it locally
-        for option in self.config.values[self.current_fitter_id].iterkeys():
+        def bumpsUpdate(option):
+            """
+            Utility method for bumps state update
+            """
             widget = self.widgetFromOption(option)
-            new_value = ""
-            if isinstance(widget, QtGui.QComboBox):
-                new_value = widget.currentText()
-            else:
-                new_value = float(widget.text())
+            new_value = widget.currentText() if isinstance(widget, QtGui.QComboBox) \
+                else float(widget.text())
             self.config.values[self.current_fitter_id][option] = new_value
 
-    def widgetFromOption(self, option_id):
+        # Update the BUMPS singleton
+        [bumpsUpdate(o) for o in self.config.values[self.current_fitter_id].iterkeys()]
+
+    def onHelp(self):
+        """
+        Show the "Fitting options" section of help
+        """
+        tree_location = GuiUtils.HELP_DIRECTORY_LOCATION + "/user/sasgui/perspectives/fitting/"
+
+        # Actual file anchor will depend on the combo box index
+        # Note that we can be clusmy here, since bad current_fitter_id
+        # will just make the page displayed from the top
+        helpfile = "optimizer.html#fit-" + self.current_fitter_id 
+        help_location = tree_location + helpfile
+        self.helpView.load(QtCore.QUrl(help_location))
+        self.helpView.show()
+
+    def widgetFromOption(self, option_id, current_fitter=None):
         """
         returns widget's element linked to the given option_id
         """
-        return eval('self.' + option_id + '_' + self.current_fitter_id)
+        if current_fitter is None:
+            current_fitter = self.current_fitter_id
+        if option_id not in bumps.options.FIT_FIELDS.keys(): return None
+        option = option_id + '_' + current_fitter
+        if not hasattr(self, option): return None
+        return eval('self.' + option)
 
     def getResults(self):
@@ -127 +179 @@
 
         pass
-
-    def updateBumpsOptions(self, optimizer_id):
-        """
-        Given the ID of the optimizer, gather widget's values
-        and update the bumps options
-        """
-        pass
-