List<List<MonthCellDescriptor>> getMonthCells(MonthDescriptor month, Calendar startCal) {
Calendar cal = Calendar.getInstance(locale);
cal.setTime(startCal.getTime());
List<List<MonthCellDescriptor>> cells = new ArrayList<List<MonthCellDescriptor>>();
cal.set(DAY_OF_MONTH, 1);
int firstDayOfWeek = cal.get(DAY_OF_WEEK);
int offset = cal.getFirstDayOfWeek() - firstDayOfWeek;
if (offset > 0) {
offset -= 7;
}
cal.add(Calendar.DATE, offset);
Calendar minSelectedCal = minDate(selectedCals);
Calendar maxSelectedCal = maxDate(selectedCals);
while ((cal.get(MONTH) < month.getMonth() + 1 || cal.get(YEAR) < month.getYear()) //
&& cal.get(YEAR) <= month.getYear()) {
Logr.d("Building week row starting at %s", cal.getTime());
List<MonthCellDescriptor> weekCells = new ArrayList<MonthCellDescriptor>();
cells.add(weekCells);
for (int c = 0; c < 7; c++) {
Date date = cal.getTime();
boolean isCurrentMonth = cal.get(MONTH) == month.getMonth();
boolean isSelected = isCurrentMonth && containsDate(selectedCals, cal);
boolean isSelectable =
isCurrentMonth && betweenDates(cal, minCal, maxCal) && isDateSelectable(date);
boolean isToday = sameDate(cal, today);
boolean isHighlighted = containsDate(highlightedCals, cal);
int value = cal.get(DAY_OF_MONTH);
MonthCellDescriptor.RangeState rangeState = MonthCellDescriptor.RangeState.NONE;
if (selectedCals.size() > 1) {
if (sameDate(minSelectedCal, cal)) {
rangeState = MonthCellDescriptor.RangeState.FIRST;
} else if (sameDate(maxDate(selectedCals), cal)) {
rangeState = MonthCellDescriptor.RangeState.LAST;
} else if (betweenDates(cal, minSelectedCal, maxSelectedCal)) {
rangeState = MonthCellDescriptor.RangeState.MIDDLE;
}
}
weekCells.add(
new MonthCellDescriptor(
date,
isCurrentMonth,
isSelectable,
isSelected,
isToday,
isHighlighted,
value,
rangeState));
cal.add(DATE, 1);
}
}
return cells;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
Logr.d(
"Grid.onMeasure w=%s h=%s",
MeasureSpec.toString(widthMeasureSpec), MeasureSpec.toString(heightMeasureSpec));
int widthMeasureSize = MeasureSpec.getSize(widthMeasureSpec);
if (oldWidthMeasureSize == widthMeasureSize) {
Logr.d("SKIP Grid.onMeasure");
setMeasuredDimension(getMeasuredWidth(), getMeasuredHeight());
return;
}
long start = System.currentTimeMillis();
oldWidthMeasureSize = widthMeasureSize;
int cellSize = widthMeasureSize / 7;
// Remove any extra pixels since /7 is unlikely to give whole nums.
widthMeasureSize = cellSize * 7;
int totalHeight = 0;
final int rowWidthSpec = makeMeasureSpec(widthMeasureSize, EXACTLY);
final int rowHeightSpec = makeMeasureSpec(cellSize, EXACTLY);
for (int c = 0, numChildren = getChildCount(); c < numChildren; c++) {
final View child = getChildAt(c);
if (child.getVisibility() == View.VISIBLE) {
if (c == 0) { // It's the header: height should be wrap_content.
measureChild(child, rowWidthSpec, makeMeasureSpec(cellSize, AT_MOST));
} else {
measureChild(child, rowWidthSpec, rowHeightSpec);
}
totalHeight += child.getMeasuredHeight();
}
}
final int measuredWidth = widthMeasureSize + 2; // Fudge factor to make the borders show up.
setMeasuredDimension(measuredWidth, totalHeight);
Logr.d("Grid.onMeasure %d ms", System.currentTimeMillis() - start);
}
/**
* This method should only be called if the calendar is contained in a dialog, and it should only
* be called when the screen has been rotated and the dialog should be re-measured.
*/
public void unfixDialogDimens() {
Logr.d("Reset the fixed dimensions to allow for re-measurement");
// Fix the layout height/width after the dialog has been shown.
getLayoutParams().height = LayoutParams.MATCH_PARENT;
getLayoutParams().width = LayoutParams.MATCH_PARENT;
requestLayout();
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
long start = System.currentTimeMillis();
int cellHeight = bottom - top;
for (int c = 0, numChildren = getChildCount(); c < numChildren; c++) {
final View child = getChildAt(c);
child.layout(c * cellSize, 0, (c + 1) * cellSize, cellHeight);
}
Logr.d("Row.onLayout %d ms", System.currentTimeMillis() - start);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
long start = System.currentTimeMillis();
top = 0;
for (int c = 0, numChildren = getChildCount(); c < numChildren; c++) {
final View child = getChildAt(c);
final int rowHeight = child.getMeasuredHeight();
child.layout(left, top, right, top + rowHeight);
top += rowHeight;
}
Logr.d("Grid.onLayout %d ms", System.currentTimeMillis() - start);
}
/**
* This method should only be called if the calendar is contained in a dialog, and it should only
* be called once, right after the dialog is shown (using {@link
* android.content.DialogInterface.OnShowListener} or {@link
* android.app.DialogFragment#onStart()}).
*/
public void fixDialogDimens() {
Logr.d("Fixing dimensions to h = %d / w = %d", getMeasuredHeight(), getMeasuredWidth());
// Fix the layout height/width after the dialog has been shown.
getLayoutParams().height = getMeasuredHeight();
getLayoutParams().width = getMeasuredWidth();
// Post this runnable so it runs _after_ the dimen changes have been
// applied/re-measured.
post(
new Runnable() {
@Override
public void run() {
Logr.d("Dimens are fixed: now scroll to the selected date");
scrollToSelectedDates();
}
});
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
long start = System.currentTimeMillis();
final int totalWidth = MeasureSpec.getSize(widthMeasureSpec);
cellSize = totalWidth / 7;
int cellWidthSpec = makeMeasureSpec(cellSize, EXACTLY);
int cellHeightSpec = isHeaderRow ? makeMeasureSpec(cellSize, AT_MOST) : cellWidthSpec;
int rowHeight = 0;
for (int c = 0, numChildren = getChildCount(); c < numChildren; c++) {
final View child = getChildAt(c);
child.measure(cellWidthSpec, cellHeightSpec);
// The row height is the height of the tallest cell.
if (child.getMeasuredHeight() > rowHeight) {
rowHeight = child.getMeasuredHeight();
}
}
final int widthWithPadding = totalWidth + getPaddingLeft() + getPaddingRight();
final int heightWithPadding = rowHeight + getPaddingTop() + getPaddingBottom();
setMeasuredDimension(widthWithPadding, heightWithPadding);
Logr.d("Row.onMeasure %d ms", System.currentTimeMillis() - start);
}