var onLeaveStepCallback = function()

in clns-acuity-admin/acuity-core/src/main/resources/public/js/study-setup/main.js [294:357]
54 lines of code
22 McCabe index (conditional complexity)

    var onLeaveStepCallback = function (e, selTab, fromStep, toStep) {
        if (fromStep == scope.STUDY_EDIT_STEP_INX &&
            toStep != scope.STUDY_SEARCH_STEP_INX) {
            if ($("#" + scope.editStudyStep.blockingId).hasClass("open")) {
                $("#" + scope.editStudyStep.blockingId).removeClass("open");
                $(".enabled").attr('disabled', 'disabled');
            }
            var validate = scope.editStudyStep.validateStudy();
            if (!validate.status) {
                $("#" + scope.editStudyStep.blockingId).addClass("open");
                $(".enabled").removeAttr('disabled', 'disabled');
                if ($.trim(validate.message).length > 0) {
                    wizardCommonModule.showWarningDialog(validate.message);
                }
                return false;
            }
            return scope.editStudyStep.onNextStep(toStep);
        } else if (fromStep == scope.STUDY_EDIT_STEP_INX &&
            toStep == scope.STUDY_SEARCH_STEP_INX) {
            return scope.editStudyStep.onBackStep(toStep);
        }

        if (fromStep == scope.STUDY_SEARCH_STEP_INX && editStudyWorkflow == null
            && !scope.addedStudyMode) {
            return scope.searchStudyStep.selectStudy();
        }

        if (toStep == scope.STUDY_SEARCH_STEP_INX && !scope.addedStudyMode) {
            scope.searchStudyStep.searchStudies(true, true);
        }

        if (fromStep == scope.STUDY_GROUPING_STEP_INX) {
            return scope.groupingsStudyStep.leaveStep(toStep);
        }

        if (fromStep == scope.STUDY_ALT_LAB_CODES_INX) {
            return scope.altLabCodesStudyStep.leaveStep(toStep);
        }

        if (fromStep == scope.STUDY_BASELINE_DRUGS_STEP_INX) {
            return scope.baselineDrugsStep.leaveStep(toStep);
        }

        if (fromStep == scope.STUDY_EXCLUSION_VALUES_INX) {
            return scope.exclusionValuesStudyStep.leaveStep(toStep);
        }

        if (fromStep == scope.PROJECT_GROUPINGS_STEP_INX) {
            return scope.selectProjectGroupingsStep.leaveStep(toStep);
        }

        if (fromStep == scope.CBIOPORTAL_GENOMIC_PROFILE_STEP_INX) {
            return scope.cbioPortalGenomicProfileStep.leaveStep(toStep);
        }

        if (fromStep == scope.STUDY_MAPPING_STEP_INX && scope.innerSplit) {
            if (!scope.mappingStudyStep.leaveStep(toStep)) {
                return false;
            }
            destroyMappingLeftSplitter();
        }

        return true;
    };