/** Return cell and month-index (for scrolling) for a given Date. */
private MonthCellWithMonthIndex getMonthCellWithIndexByDate(Date date) {
int index = 0;
Calendar searchCal = Calendar.getInstance(locale);
searchCal.setTime(date);
Calendar actCal = Calendar.getInstance(locale);
for (List<List<MonthCellDescriptor>> monthCells : cells) {
for (List<MonthCellDescriptor> weekCells : monthCells) {
for (MonthCellDescriptor actCell : weekCells) {
actCal.setTime(actCell.getDate());
if (sameDate(actCal, searchCal) && actCell.isSelectable()) {
return new MonthCellWithMonthIndex(actCell, index);
}
}
}
index++;
}
return null;
}
private boolean doSelectDate(Date date, MonthCellDescriptor cell) {
Calendar newlySelectedCal = Calendar.getInstance(locale);
newlySelectedCal.setTime(date);
// Sanitize input: clear out the hours/minutes/seconds/millis.
setMidnight(newlySelectedCal);
// Clear any remaining range state.
for (MonthCellDescriptor selectedCell : selectedCells) {
selectedCell.setRangeState(RangeState.NONE);
}
switch (selectionMode) {
case RANGE:
if (selectedCals.size() > 1) {
// We've already got a range selected: clear the old one.
clearOldSelections();
} else if (selectedCals.size() == 1 && newlySelectedCal.before(selectedCals.get(0))) {
// We're moving the start of the range back in time: clear the
// old start date.
clearOldSelections();
}
break;
case MULTIPLE:
date = applyMultiSelect(date, newlySelectedCal);
break;
case SINGLE:
clearOldSelections();
break;
default:
throw new IllegalStateException("Unknown selectionMode " + selectionMode);
}
if (date != null) {
// Select a new cell.
if (selectedCells.size() == 0 || !selectedCells.get(0).equals(cell)) {
selectedCells.add(cell);
cell.setSelected(true);
}
selectedCals.add(newlySelectedCal);
if (selectionMode == SelectionMode.RANGE && selectedCells.size() > 1) {
// Select all days in between start and end.
Date start = selectedCells.get(0).getDate();
Date end = selectedCells.get(1).getDate();
selectedCells.get(0).setRangeState(MonthCellDescriptor.RangeState.FIRST);
selectedCells.get(1).setRangeState(MonthCellDescriptor.RangeState.LAST);
for (List<List<MonthCellDescriptor>> month : cells) {
for (List<MonthCellDescriptor> week : month) {
for (MonthCellDescriptor singleCell : week) {
if (singleCell.getDate().after(start)
&& singleCell.getDate().before(end)
&& singleCell.isSelectable()) {
singleCell.setSelected(true);
singleCell.setRangeState(MonthCellDescriptor.RangeState.MIDDLE);
selectedCells.add(singleCell);
}
}
}
}
}
}
// Update the adapter.
validateAndUpdate();
return date != null;
}