private void clearOldSelections() {
for (MonthCellDescriptor selectedCell : selectedCells) {
// De-select the currently-selected cell.
selectedCell.setSelected(false);
}
selectedCells.clear();
selectedCals.clear();
}
public List<Date> getSelectedDates() {
List<Date> selectedDates = new ArrayList<Date>();
for (MonthCellDescriptor cal : selectedCells) {
selectedDates.add(cal.getDate());
}
Collections.sort(selectedDates);
return selectedDates;
}
private Date applyMultiSelect(Date date, Calendar selectedCal) {
for (MonthCellDescriptor selectedCell : selectedCells) {
if (selectedCell.getDate().equals(date)) {
// De-select the currently-selected cell.
selectedCell.setSelected(false);
selectedCells.remove(selectedCell);
date = null;
break;
}
}
for (Calendar cal : selectedCals) {
if (sameDate(cal, selectedCal)) {
selectedCals.remove(cal);
break;
}
}
return date;
}
/** 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;
}
public void highlightDates(Collection<Date> dates) {
for (Date date : dates) {
validateDate(date);
MonthCellWithMonthIndex monthCellWithMonthIndex = getMonthCellWithIndexByDate(date);
if (monthCellWithMonthIndex != null) {
Calendar newlyHighlightedCal = Calendar.getInstance();
newlyHighlightedCal.setTime(date);
MonthCellDescriptor cell = monthCellWithMonthIndex.cell;
highlightedCells.add(cell);
highlightedCals.add(newlyHighlightedCal);
cell.setHighlighted(true);
}
}
adapter.notifyDataSetChanged();
setAdapter(adapter);
}
@Override
public void handleClick(MonthCellDescriptor cell) {
Date clickedDate = cell.getDate();
if (!betweenDates(clickedDate, minCal, maxCal) || !isDateSelectable(clickedDate)) {
if (invalidDateListener != null) {
invalidDateListener.onInvalidDateSelected(clickedDate);
}
} else {
boolean wasSelected = doSelectDate(clickedDate, cell);
if (dateListener != null) {
if (wasSelected) {
dateListener.onDateSelected(clickedDate);
} else {
dateListener.onDateUnselected(clickedDate);
}
}
}
}
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;
}