C# EventDB.AddCourseControl方法代码示例

        // Add a new course control to a course. Adds a new CourseControl referencing controlId into courseId. The place to insert is
        // given by courseControl1 and courseControl2. These control should have been gotten by calling FindControlInsertionPoint.
        public static Id<CourseControl> AddCourseControl(EventDB eventDB, Id<ControlPoint> controlId, Id<Course> courseId, Id<CourseControl> courseControl1, Id<CourseControl> courseControl2)
        {
            CourseControl newCourseControl;
            Id<CourseControl> newCourseControlId;

            // When adding a new course controls, they fit into variations fine because we are never adding or changing an split, just
            // fitting into existing splits.

            if (courseControl1.IsNone) {
                // Adding at start.
                Course course = (Course) eventDB.GetCourse(courseId).Clone();
                Debug.Assert(courseControl2 == course.firstCourseControl);
                newCourseControl = new CourseControl(controlId, course.firstCourseControl);
                newCourseControlId = eventDB.AddCourseControl(newCourseControl);
                course.firstCourseControl = newCourseControlId;
                eventDB.ReplaceCourse(courseId, course);
            }
            else {
                // Adding after courseControl1.
                CourseControl before = (CourseControl) eventDB.GetCourseControl(courseControl1).Clone();
                Debug.Assert(courseControl2 == before.nextCourseControl);
                newCourseControl = new CourseControl(controlId, before.nextCourseControl);
                newCourseControlId = eventDB.AddCourseControl(newCourseControl);
                before.nextCourseControl = newCourseControlId;
                eventDB.ReplaceCourseControl(courseControl1, before);
            }

            return newCourseControlId;
        }

        public static bool AddVariation(EventDB eventDB, CourseDesignator courseDesignator, Id<CourseControl> variationCourseControlId, bool loop, int numberOfForks)
        {
            if (!QueryEvent.CanAddVariation(eventDB, courseDesignator, variationCourseControlId))
                return false;

            CourseControl variationCourseControl = eventDB.GetCourseControl(variationCourseControlId);
            CourseControl newVariationCourseControl = (CourseControl)variationCourseControl.Clone();

            newVariationCourseControl.split = true;
            newVariationCourseControl.loop = loop;
            newVariationCourseControl.splitEnd = loop ? variationCourseControlId : variationCourseControl.nextCourseControl;

            // If its a loop, we add a new course control for each loop. For a fork, we already have one leg of the fork.
            int newCourseControls = loop ? numberOfForks : numberOfForks - 1;
            CourseControl[] splitCourseControls = new CourseControl[newCourseControls + 1];
            Id<CourseControl>[] splitCourseControlIds = new Id<CourseControl>[newCourseControls + 1];
            splitCourseControls[0] = newVariationCourseControl;
            splitCourseControlIds[0] = variationCourseControlId;

            for (int i = 1; i <= newCourseControls; ++i) {
                splitCourseControls[i] = (CourseControl) newVariationCourseControl.Clone();
                if (loop)
                    splitCourseControls[i].nextCourseControl = variationCourseControlId;
                splitCourseControlIds[i] = eventDB.AddCourseControl(splitCourseControls[i]);
            }

            for (int i = 0; i <= newCourseControls; ++i) {
                splitCourseControls[i].splitCourseControls = splitCourseControlIds;
                eventDB.ReplaceCourseControl(splitCourseControlIds[i], splitCourseControls[i]);
            }

            return true;
        }

        // Add a finish control to a given course. If the course already has a finish control as the last control, replace it.
        // Otherwise add it as the new finish control. The returned CourseControl may be new, or may be the last control with
        // a different control point.
        // If addToOtherCourses is true, the new finish control is also added to all courses without an existing finish control.
        public static Id<CourseControl> AddFinishToCourse(EventDB eventDB, Id<ControlPoint> controlId, Id<Course> courseId, bool addToOtherCourses)
        {
            Course course = eventDB.GetCourse(courseId);
            Id<CourseControl> lastId = QueryEvent.LastCourseControl(eventDB, courseId, false);
            Id<CourseControl> newCourseControlId;

            if (lastId.IsNone) {
                // No controls in the course. add this as the only control in the course.
                newCourseControlId = eventDB.AddCourseControl(new CourseControl(controlId, Id<CourseControl>.None));
                course = (Course) course.Clone();
                course.firstCourseControl = newCourseControlId;
                eventDB.ReplaceCourse(courseId, course);
            }
            else if (eventDB.GetControl(eventDB.GetCourseControl(lastId).control).kind == ControlPointKind.Finish) {
                // Last control exists and is a finish control. Replace it.
                CourseControl last = (CourseControl) eventDB.GetCourseControl(lastId).Clone();
                last.control = controlId;
                eventDB.ReplaceCourseControl(lastId, last);
                newCourseControlId = lastId;
            }
            else {
                // Last control exist but is not a finish. Add the finish onto it.
                newCourseControlId = eventDB.AddCourseControl(new CourseControl(controlId, Id<CourseControl>.None));
                CourseControl last = (CourseControl) eventDB.GetCourseControl(lastId).Clone();
                last.nextCourseControl = newCourseControlId;
                eventDB.ReplaceCourseControl(lastId, last);
            }

            if (addToOtherCourses) {
                List<Id<Course>> courseModificationList = new List<Id<Course>>();

                // Check all courses to see if we should add the finish to that course too.
                foreach (Id<Course> courseSearchId in eventDB.AllCourseIds) {
                    if (!QueryEvent.HasFinishControl(eventDB, courseSearchId)) {
                        // This course does not have a finish control.
                        courseModificationList.Add(courseSearchId);
                    }
                }

                // Add the finish control to each of those courses.
                foreach (Id<Course> modifyCourseId in courseModificationList)
                    AddFinishToCourse(eventDB, controlId, modifyCourseId, false);
            }

            return newCourseControlId;
        }

        // Add a start control to a given course. If the course already has a start control as the first control, replace it.
        // Otherwise add it as the new start control. The returned CourseControl may be new, or may be the first control with
        // a different control point.
        // If addToOtherCourses is true, the new start control is also added to all courses without an existing start control.
        public static Id<CourseControl> AddStartToCourse(EventDB eventDB, Id<ControlPoint> controlId, Id<Course> courseId, bool addToOtherCourses)
        {
            Course course = eventDB.GetCourse(courseId);
            Id<CourseControl> firstId = course.firstCourseControl;
            Id<CourseControl> newCourseControlId;
            if (firstId.IsNotNone && eventDB.GetControl(eventDB.GetCourseControl(firstId).control).kind == ControlPointKind.Start) {
                // First control exists and is a start control. Replace it.
                CourseControl first = (CourseControl) eventDB.GetCourseControl(firstId).Clone();
                first.control = controlId;
                eventDB.ReplaceCourseControl(firstId, first);
                newCourseControlId = firstId;
            }
            else {
                // Add the control as a new start control.
                newCourseControlId = eventDB.AddCourseControl(new CourseControl(controlId, firstId));
                course = (Course) course.Clone();
                course.firstCourseControl = newCourseControlId;
                eventDB.ReplaceCourse(courseId, course);
            }

            if (addToOtherCourses) {
                List<Id<Course>> courseModificationList = new List<Id<Course>>();

                // Check all courses to see if we should add the start to that course too.
                foreach (Id<Course> courseSearchId in eventDB.AllCourseIds) {
                    if (!QueryEvent.HasStartControl(eventDB, courseSearchId)) {
                        // This course does not have a start control.
                        courseModificationList.Add(courseSearchId);
                    }
                }

                // Add the start control to each of those courses.
                foreach (Id<Course> modifyCourseId in courseModificationList)
                    AddStartToCourse(eventDB, controlId, modifyCourseId, false);
            }

            return newCourseControlId;
        }

        // Duplicate a course with a new name, new course controls (since course controls can't be shared),
        // but all other attributes the same.
        public static Id<Course> DuplicateCourse(EventDB eventDB, Id<Course> oldCourseId, string newName)
        {
            Course oldCourse = eventDB.GetCourse(oldCourseId);
            int newSortOrder = oldCourse.sortOrder + 1;

            // Update existing sort orders after by adding one to existing course orders after the new one.
            foreach (Id<Course> courseToChangeId in eventDB.AllCourseIds.ToList()) {
                int sortOrder = eventDB.GetCourse(courseToChangeId).sortOrder;
                if (sortOrder >= newSortOrder)
                    ChangeCourseSortOrder(eventDB, courseToChangeId, sortOrder + 1);
            }

            // Duplicate the course controls with blank course controls, and record the mapping.
            Dictionary<Id<CourseControl>, Id<CourseControl>> mapCourseControl = new Dictionary<Id<CourseControl>, Id<CourseControl>>();

            foreach (Id<CourseControl> oldCourseControlId in QueryEvent.EnumCourseControlIds(eventDB, new CourseDesignator(oldCourseId))) {
                CourseControl newCourseControl = new CourseControl();
                Id<CourseControl> newCourseControlId = eventDB.AddCourseControl(newCourseControl);
                mapCourseControl[oldCourseControlId] = newCourseControlId;
            }

            // Create a new course with no course controls in it and the new name, sort order.
            Course newCourse = (Course)oldCourse.Clone();
            if (oldCourse.firstCourseControl.IsNotNone)
                newCourse.firstCourseControl = mapCourseControl[oldCourse.firstCourseControl];
            newCourse.name = newName;
            newCourse.sortOrder = newSortOrder;
            Id<Course> newCourseId =  eventDB.AddCourse(newCourse);

            // Now copy all the old course control, updating all the linking fields.

            foreach (Id<CourseControl> oldCourseControlId in QueryEvent.EnumCourseControlIds(eventDB, new CourseDesignator(oldCourseId))) {
                // Add a new course control to the new course.
                CourseControl oldCourseControl = eventDB.GetCourseControl(oldCourseControlId);
                CourseControl newCourseControl = (CourseControl) oldCourseControl.Clone();
                if (newCourseControl.nextCourseControl.IsNotNone)
                    newCourseControl.nextCourseControl = mapCourseControl[newCourseControl.nextCourseControl];
                if (newCourseControl.splitEnd.IsNotNone)
                    newCourseControl.splitEnd = mapCourseControl[newCourseControl.splitEnd];
                if (newCourseControl.splitCourseControls != null) {
                    for (int i = 0; i < newCourseControl.splitCourseControls.Length; ++i) {
                        newCourseControl.splitCourseControls[i] = mapCourseControl[newCourseControl.splitCourseControls[i]];
                    }
                }

                eventDB.ReplaceCourseControl(mapCourseControl[oldCourseControlId], newCourseControl);
            }

            // Duplicate any specials from the old course.
            foreach (Id<Special> specialId in eventDB.AllSpecialIds.ToList()) {
                Special special = eventDB.GetSpecial(specialId);
                if (!special.allCourses) {
                    List<CourseDesignator> addedCourseDesignators = new List<CourseDesignator>();
                    foreach (CourseDesignator designatorWithSpecial in special.courses) {
                        if (designatorWithSpecial.CourseId == oldCourseId) {
                            if (designatorWithSpecial.AllParts)
                                addedCourseDesignators.Add(new CourseDesignator(newCourseId));
                            else
                                addedCourseDesignators.Add(new CourseDesignator(newCourseId, designatorWithSpecial.Part));
                        }
                    }

                    if (addedCourseDesignators.Count > 0) {
                        ChangeDisplayedCourses(eventDB, specialId, special.courses.Concat(addedCourseDesignators).ToArray());
                    }
                }
            }

            return newCourseId;
        }