Changeset baeac95 in sasview for src/sas/qtgui/Perspectives/Fitting/FittingWidget.py

Timestamp:

Nov 14, 2018 5:43:28 AM (5 years ago)

Author:

Piotr Rozyczko <piotr.rozyczko@…>

Branches:

ESS_GUI, ESS_GUI_batch_fitting, ESS_GUI_bumps_abstraction, ESS_GUI_iss1116, ESS_GUI_opencl, ESS_GUI_ordering, ESS_GUI_sync_sascalc

Children:

ecc5d043

Parents:

e5ae812

Message:

Added Edit to single page constraint SASVIEW-1043

File:

• src/sas/qtgui/Perspectives/Fitting/FittingWidget.py (modified) (8 diffs)

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

@@ -622 +622 @@
         to_string = "to its current value" if num_rows == 1 else "to their current values"
         has_constraints = any([self.rowHasConstraint(i) for i in rows])
+        has_real_constraints = any([self.rowHasActiveConstraint(i) for i in rows])
 
         self.actionSelect = QtWidgets.QAction(self)
@@ -639 +640 @@
         self.actionRemoveConstraint.setText(QtCore.QCoreApplication.translate("self", "Remove constraint"))
 
+        self.actionEditConstraint = QtWidgets.QAction(self)
+        self.actionEditConstraint.setObjectName("actionEditConstrain")
+        self.actionEditConstraint.setText(QtCore.QCoreApplication.translate("self", "Edit constraint"))
+
         self.actionMultiConstrain = QtWidgets.QAction(self)
         self.actionMultiConstrain.setObjectName("actionMultiConstrain")
@@ -653 +658 @@
         if has_constraints:
             menu.addAction(self.actionRemoveConstraint)
+            if num_rows == 1 and has_real_constraints:
+                menu.addAction(self.actionEditConstraint)
             #if num_rows == 1:
             #    menu.addAction(self.actionEditConstraint)
@@ -663 +670 @@
         self.actionConstrain.triggered.connect(self.addSimpleConstraint)
         self.actionRemoveConstraint.triggered.connect(self.deleteConstraint)
+        self.actionEditConstraint.triggered.connect(self.editConstraint)
         self.actionMutualMultiConstrain.triggered.connect(self.showMultiConstraint)
         self.actionSelect.triggered.connect(self.selectParameters)
@@ -700 +708 @@
         new_func = c_text.replace(param_used, updated_param_used)
         constraint.func = new_func
+        constraint.value_ex = updated_param_used
         # Which row is the constrained parameter in?
         row = self.getRowFromName(constraint.param)
+
+        # what is the parameter to constraint to?
+        constraint.value = param_used
 
         # Create a new item and add the Constraint object as a child
@@ -797 +809 @@
             self.modifyViewOnRow(row, font=font, brush=brush)
         self.communicate.statusBarUpdateSignal.emit('Constraint added')
+
+    def editConstraint(self):
+        """
+        Delete constraints from selected parameters.
+        """
+        params_list = [s.data() for s in self.lstParams.selectionModel().selectedRows()
+                   if self.isCheckable(s.row())]
+        assert len(params_list) == 1
+        row = self.lstParams.selectionModel().selectedRows()[0].row()
+        constraint = self.getConstraintForRow(row)
+        # Create and display the widget for param1 and param2
+        mc_widget = MultiConstraint(self, params=params_list, constraint=constraint)
+        # Check if any of the parameters are polydisperse
+        if not np.any([FittingUtilities.isParamPolydisperse(p, self.model_parameters, is2D=self.is2D) for p in params_list]):
+            # no parameters are pd - reset the text to not show the warning
+            mc_widget.lblWarning.setText("")
+        if mc_widget.exec_() != QtWidgets.QDialog.Accepted:
+            return
+
+        constraint = Constraint()
+        c_text = mc_widget.txtConstraint.text()
+
+        # widget.params[0] is the parameter we're constraining
+        constraint.param = mc_widget.params[0]
+        # parameter should have the model name preamble
+        model_name = self.kernel_module.name
+        # param_used is the parameter we're using in constraining function
+        param_used = mc_widget.params[1]
+        # Replace param_used with model_name.param_used
+        updated_param_used = model_name + "." + param_used
+        # Update constraint with new values
+        constraint.func = c_text
+        constraint.value_ex = updated_param_used
+        constraint.value = param_used
+
+        # Which row is the constrained parameter in?
+        row = self.getRowFromName(constraint.param)
+
+        # Create a new item and add the Constraint object as a child
+        self.addConstraintToRow(constraint=constraint, row=row)
 
     def deleteConstraint(self):
@@ -3603 +3655 @@
                 value = constraint.value
                 func = constraint.func
-                cons = (value, func)
+                value_ex = constraint.value_ex
+                param = constraint.param
+
+                cons = (value, param, value_ex, func)
 
             param_list.append([param_name, param_checked, param_value, param_error, param_min, param_max, cons])
@@ -3853 +3908 @@
             # constraints
             cons = param_dict[param_name][4+ioffset]
-            if cons is not None and cons:
+            if cons is not None and len(cons)==4:
                 value = cons[0]
-                function = cons[1]
+                param = cons[1]
+                value_ex = cons[2]
+                function = cons[3]
                 constraint = Constraint()
                 constraint.value = value
                 constraint.func = function
+                constraint.param = param
+                constraint.value_ex = value_ex
                 self.addConstraintToRow(constraint=constraint, row=row)