diff options
Diffstat (limited to 'server/src/com/vaadin/ui/components/calendar/ContainerEventProvider.java')
-rw-r--r-- | server/src/com/vaadin/ui/components/calendar/ContainerEventProvider.java | 74 |
1 files changed, 18 insertions, 56 deletions
diff --git a/server/src/com/vaadin/ui/components/calendar/ContainerEventProvider.java b/server/src/com/vaadin/ui/components/calendar/ContainerEventProvider.java index fcaabcc079..2f51b21f7c 100644 --- a/server/src/com/vaadin/ui/components/calendar/ContainerEventProvider.java +++ b/server/src/com/vaadin/ui/components/calendar/ContainerEventProvider.java @@ -249,71 +249,33 @@ public class ContainerEventProvider implements CalendarEditableEventProvider, @Override public List<CalendarEvent> getEvents(Date startDate, Date endDate) { eventCache.clear(); - - int[] rangeIndexes = getFirstAndLastEventIndex(startDate, endDate); - for (int i = rangeIndexes[0]; i <= rangeIndexes[1] - && i < container.size(); i++) { - eventCache.add(getEvent(i)); - } - return Collections.unmodifiableList(eventCache); - } - - /** - * Get the first event for a date - * - * @param date - * The date to search for, NUll returns first event in container - * @return Returns an array where the first item is the start index and the - * second item is the end item - */ - private int[] getFirstAndLastEventIndex(Date start, Date end) { - int startIndex = 0; int size = container.size(); assert size >= 0; - int endIndex = size - 1; - if (start != null) { - /* - * Iterating from the start of the container, if range is in the end - * of the container then this will be slow TODO This could be - * improved by using some sort of divide and conquer algorithm - */ - while (startIndex < size) { - Object id = container.getIdByIndex(startIndex); - Item item = container.getItem(id); - Date d = (Date) item.getItemProperty(startDateProperty) + for (int i = 0; i < size; i++) { + Object id = container.getIdByIndex(i); + Item item = container.getItem(id); + boolean add = true; + if (startDate != null) { + Date eventEnd = (Date) item.getItemProperty(endDateProperty) .getValue(); - if (d.compareTo(start) >= 0) { - break; + if (eventEnd.compareTo(startDate) < 0) { + add = false; } - startIndex++; } - } - - if (end != null) { - /* - * Iterate from the start index until range ends - */ - endIndex = startIndex; - while (endIndex < size - 1) { - Object id = container.getIdByIndex(endIndex); - Item item = container.getItem(id); - Date d = (Date) item.getItemProperty(endDateProperty) - .getValue(); - if (d == null) { - // No end date present, use start date - d = (Date) item.getItemProperty(startDateProperty) - .getValue(); + if (add && endDate != null) { + Date eventStart = (Date) item + .getItemProperty(startDateProperty).getValue(); + if (eventStart.compareTo(endDate) >= 0) { + break; // because container is sorted, all further events + // will be even later } - if (d.compareTo(end) >= 0) { - endIndex--; - break; - } - endIndex++; + } + if (add) { + eventCache.add(getEvent(i)); } } - - return new int[] { startIndex, endIndex }; + return Collections.unmodifiableList(eventCache); } /* |