package org.holoeverywhere.widget;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import org.holoeverywhere.LayoutInflater;
import org.holoeverywhere.R;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.TypedArray;
import android.database.DataSetObserver;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.Build.VERSION;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.TypedValue;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.BaseAdapter;
public class CalendarView extends FrameLayout {
public interface OnDateChangeListener {
public void onSelectedDayChange(CalendarView view, int year, int month,
int dayOfMonth);
}
private class ScrollStateRunnable implements Runnable {
private int mNewState;
private AbsListView mView;
public void doScrollStateChange(AbsListView view, int scrollState) {
mView = view;
mNewState = scrollState;
removeCallbacks(this);
postDelayed(this, CalendarView.SCROLL_CHANGE_DELAY);
}
@Override
@SuppressLint("NewApi")
public void run() {
mCurrentScrollState = mNewState;
if (mNewState == OnScrollListener.SCROLL_STATE_IDLE
&& mPreviousScrollState != OnScrollListener.SCROLL_STATE_IDLE) {
View child = mView.getChildAt(0);
if (child == null) {
return;
}
int dist = child.getBottom() - mListScrollTopOffset;
if (dist > mListScrollTopOffset) {
int y = dist - (mIsScrollingUp ? child.getHeight() : 0);
if (VERSION.SDK_INT >= 11) {
mView.smoothScrollBy(y,
CalendarView.ADJUSTMENT_SCROLL_DURATION);
} else {
mView.scrollBy(0, y);
}
}
}
mPreviousScrollState = mNewState;
}
}
private class WeeksAdapter extends BaseAdapter implements OnTouchListener {
class CalendarGestureListener extends
GestureDetector.SimpleOnGestureListener {
@Override
public boolean onSingleTapUp(MotionEvent e) {
return true;
}
}
private Context context;
private int mFocusedMonth;
private GestureDetector mGestureDetector;
private final Calendar mSelectedDate = Calendar.getInstance();
private int mSelectedWeek;
private int mTotalWeekCount;
public WeeksAdapter(Context context) {
this.context = context;
mGestureDetector = new GestureDetector(context,
new CalendarGestureListener());
init();
}
@Override
public int getCount() {
return mTotalWeekCount;
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return position;
}
public Calendar getSelectedDay() {
return mSelectedDate;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
WeekView weekView = null;
if (convertView != null) {
weekView = (WeekView) convertView;
} else {
weekView = new WeekView(context);
android.widget.AbsListView.LayoutParams params = new android.widget.AbsListView.LayoutParams(
android.view.ViewGroup.LayoutParams.WRAP_CONTENT,
android.view.ViewGroup.LayoutParams.WRAP_CONTENT);
weekView.setLayoutParams(params);
weekView.setClickable(true);
weekView.setOnTouchListener(this);
}
int selectedWeekDay = mSelectedWeek == position ? mSelectedDate
.get(Calendar.DAY_OF_WEEK) : -1;
weekView.init(position, selectedWeekDay, mFocusedMonth);
return weekView;
}
private void init() {
mSelectedWeek = getWeeksSinceMinDate(mSelectedDate);
mTotalWeekCount = getWeeksSinceMinDate(mMaxDate);
if (mMinDate.get(Calendar.DAY_OF_WEEK) != mFirstDayOfWeek
|| mMaxDate.get(Calendar.DAY_OF_WEEK) != mFirstDayOfWeek) {
mTotalWeekCount++;
}
}
private void onDateTapped(Calendar day) {
setSelectedDay(day);
setMonthDisplayed(day);
}
@Override
public boolean onTouch(View v, MotionEvent event) {
if (mListView.isEnabled() && mGestureDetector.onTouchEvent(event)) {
WeekView weekView = (WeekView) v;
if (!weekView.getDayFromLocation(event.getX(), mTempDate)) {
return true;
}
if (mTempDate.before(mMinDate) || mTempDate.after(mMaxDate)) {
return true;
}
onDateTapped(mTempDate);
return true;
}
return false;
}
public void setFocusMonth(int month) {
if (mFocusedMonth == month) {
return;
}
mFocusedMonth = month;
notifyDataSetChanged();
}
public void setSelectedDay(Calendar selectedDay) {
if (selectedDay.get(Calendar.DAY_OF_YEAR) == mSelectedDate
.get(Calendar.DAY_OF_YEAR)
&& selectedDay.get(Calendar.YEAR) == mSelectedDate
.get(Calendar.YEAR)) {
return;
}
mSelectedDate.setTimeInMillis(selectedDay.getTimeInMillis());
mSelectedWeek = getWeeksSinceMinDate(mSelectedDate);
mFocusedMonth = mSelectedDate.get(Calendar.MONTH);
notifyDataSetChanged();
}
}
private class WeekView extends View {
private String[] mDayNumbers;
private final Paint mDrawPaint = new Paint();
private Calendar mFirstDay;
private boolean[] mFocusDay;
private boolean mHasSelectedDay = false;
private int mHeight;
private int mLastWeekDayMonth = -1;
private final Paint mMonthNumDrawPaint = new Paint();
private int mMonthOfFirstWeekDay = -1;
private int mNumCells;
private int mSelectedDay = -1;
private int mSelectedLeft = -1;
private int mSelectedRight = -1;
private final Rect mTempRect = new Rect();
private int mWeek = -1;
private int mWidth;
public WeekView(Context context) {
super(context);
mHeight = (mListView.getHeight() - mListView.getPaddingTop() - mListView
.getPaddingBottom()) / mShownWeekCount;
setPaintProperties();
}
private void drawBackground(Canvas canvas) {
if (!mHasSelectedDay) {
return;
}
mDrawPaint.setColor(mSelectedWeekBackgroundColor);
mTempRect.top = mWeekSeperatorLineWidth;
mTempRect.bottom = mHeight;
mTempRect.left = mShowWeekNumber ? mWidth / mNumCells : 0;
mTempRect.right = mSelectedLeft - 2;
canvas.drawRect(mTempRect, mDrawPaint);
mTempRect.left = mSelectedRight + 3;
mTempRect.right = mWidth;
canvas.drawRect(mTempRect, mDrawPaint);
}
private void drawSelectedDateVerticalBars(Canvas canvas) {
if (!mHasSelectedDay) {
return;
}
mSelectedDateVerticalBar.setBounds(mSelectedLeft
- mSelectedDateVerticalBarWidth / 2,
mWeekSeperatorLineWidth, mSelectedLeft
+ mSelectedDateVerticalBarWidth / 2, mHeight);
mSelectedDateVerticalBar.draw(canvas);
mSelectedDateVerticalBar.setBounds(mSelectedRight
- mSelectedDateVerticalBarWidth / 2,
mWeekSeperatorLineWidth, mSelectedRight
+ mSelectedDateVerticalBarWidth / 2, mHeight);
mSelectedDateVerticalBar.draw(canvas);
}
private void drawWeekNumbers(Canvas canvas) {
float textHeight = mDrawPaint.getTextSize();
int y = (int) ((mHeight + textHeight) / 2)
- mWeekSeperatorLineWidth;
int nDays = mNumCells;
mDrawPaint.setTextAlign(Align.CENTER);
int i = 0;
int divisor = 2 * nDays;
if (mShowWeekNumber) {
mDrawPaint.setColor(mWeekNumberColor);
int x = mWidth / divisor;
canvas.drawText(mDayNumbers[0], x, y, mDrawPaint);
i++;
}
for (; i < nDays; i++) {
mMonthNumDrawPaint
.setColor(mFocusDay[i] ? mFocusedMonthDateColor
: mUnfocusedMonthDateColor);
int x = (2 * i + 1) * mWidth / divisor;
canvas.drawText(mDayNumbers[i], x, y, mMonthNumDrawPaint);
}
}
private void drawWeekSeparators(Canvas canvas) {
int firstFullyVisiblePosition = mListView.getFirstVisiblePosition();
if (mListView.getChildAt(0).getTop() < 0) {
firstFullyVisiblePosition++;
}
if (firstFullyVisiblePosition == mWeek) {
return;
}
mDrawPaint.setColor(mWeekSeparatorLineColor);
mDrawPaint.setStrokeWidth(mWeekSeperatorLineWidth);
float x = mShowWeekNumber ? mWidth / mNumCells : 0;
canvas.drawLine(x, 0, mWidth, 0, mDrawPaint);
}
public boolean getDayFromLocation(float x, Calendar outCalendar) {
int dayStart = mShowWeekNumber ? mWidth / mNumCells : 0;
if (x < dayStart || x > mWidth) {
outCalendar.clear();
return false;
}
int dayPosition = (int) ((x - dayStart) * mDaysPerWeek / (mWidth - dayStart));
outCalendar.setTimeInMillis(mFirstDay.getTimeInMillis());
outCalendar.add(Calendar.DAY_OF_MONTH, dayPosition);
return true;
}
public Calendar getFirstDay() {
return mFirstDay;
}
public int getMonthOfFirstWeekDay() {
return mMonthOfFirstWeekDay;
}
public int getMonthOfLastWeekDay() {
return mLastWeekDayMonth;
}
public void init(int weekNumber, int selectedWeekDay, int focusedMonth) {
mSelectedDay = selectedWeekDay;
mHasSelectedDay = mSelectedDay != -1;
mNumCells = mShowWeekNumber ? mDaysPerWeek + 1 : mDaysPerWeek;
mWeek = weekNumber;
mTempDate.setTimeInMillis(mMinDate.getTimeInMillis());
mTempDate.add(Calendar.WEEK_OF_YEAR, mWeek);
mTempDate.setFirstDayOfWeek(mFirstDayOfWeek);
mDayNumbers = new String[mNumCells];
mFocusDay = new boolean[mNumCells];
int i = 0;
if (mShowWeekNumber) {
mDayNumbers[0] = Integer.toString(mTempDate
.get(Calendar.WEEK_OF_YEAR));
i++;
}
int diff = mFirstDayOfWeek - mTempDate.get(Calendar.DAY_OF_WEEK);
mTempDate.add(Calendar.DAY_OF_MONTH, diff);
mFirstDay = (Calendar) mTempDate.clone();
mMonthOfFirstWeekDay = mTempDate.get(Calendar.MONTH);
for (; i < mNumCells; i++) {
mFocusDay[i] = mTempDate.get(Calendar.MONTH) == focusedMonth;
if (mTempDate.before(mMinDate) || mTempDate.after(mMaxDate)) {
mDayNumbers[i] = "";
} else {
mDayNumbers[i] = Integer.toString(mTempDate
.get(Calendar.DAY_OF_MONTH));
}
mTempDate.add(Calendar.DAY_OF_MONTH, 1);
}
if (mTempDate.get(Calendar.DAY_OF_MONTH) == 1) {
mTempDate.add(Calendar.DAY_OF_MONTH, -1);
}
mLastWeekDayMonth = mTempDate.get(Calendar.MONTH);
updateSelectionPositions();
}
@Override
protected void onDraw(Canvas canvas) {
drawBackground(canvas);
drawWeekNumbers(canvas);
drawWeekSeparators(canvas);
drawSelectedDateVerticalBars(canvas);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), mHeight);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
mWidth = w;
updateSelectionPositions();
}
private void setPaintProperties() {
mDrawPaint.setFakeBoldText(false);
mDrawPaint.setAntiAlias(true);
mDrawPaint.setTextSize(mDateTextSize);
mDrawPaint.setStyle(Style.FILL);
mMonthNumDrawPaint.setFakeBoldText(true);
mMonthNumDrawPaint.setAntiAlias(true);
mMonthNumDrawPaint.setTextSize(mDateTextSize);
mMonthNumDrawPaint.setColor(mFocusedMonthDateColor);
mMonthNumDrawPaint.setStyle(Style.FILL);
mMonthNumDrawPaint.setTextAlign(Align.CENTER);
}
private void updateSelectionPositions() {
if (mHasSelectedDay) {
int selectedPosition = mSelectedDay - mFirstDayOfWeek;
if (selectedPosition < 0) {
selectedPosition += 7;
}
if (mShowWeekNumber) {
selectedPosition++;
}
mSelectedLeft = selectedPosition * mWidth / mNumCells;
mSelectedRight = (selectedPosition + 1) * mWidth / mNumCells;
}
}
}
private static final int ADJUSTMENT_SCROLL_DURATION = 500;
private static final String DATE_FORMAT = "MM/dd/yyyy";
private static final int DAYS_PER_WEEK = 7;
private static final String DEFAULT_MAX_DATE = "01/01/2100";
private static final String DEFAULT_MIN_DATE = "01/01/1900";
private static final boolean DEFAULT_SHOW_WEEK_NUMBER = true;
private static final int DEFAULT_SHOWN_WEEK_COUNT = 6;
private static final int DEFAULT_WEEK_DAY_TEXT_APPEARANCE_RES_ID = -1;
private static final int GOTO_SCROLL_DURATION = 1000;
private static final String LOG_TAG = CalendarView.class.getSimpleName();
private static final long MILLIS_IN_DAY = 86400000L;
private static final long MILLIS_IN_WEEK = CalendarView.DAYS_PER_WEEK
* CalendarView.MILLIS_IN_DAY;
private static final int SCROLL_CHANGE_DELAY = 40;
private static final int SCROLL_HYST_WEEKS = 2;
private static final int UNSCALED_BOTTOM_BUFFER = 20;
private static final int UNSCALED_LIST_SCROLL_TOP_OFFSET = 2;
private static final int UNSCALED_SELECTED_DATE_VERTICAL_BAR_WIDTH = 6;
private static final int UNSCALED_WEEK_MIN_VISIBLE_HEIGHT = 12;
private static final int UNSCALED_WEEK_SEPARATOR_LINE_WIDTH = 1;
private WeeksAdapter mAdapter;
private int mBottomBuffer = 20;
private Locale mCurrentLocale;
private int mCurrentMonthDisplayed;
private int mCurrentScrollState = OnScrollListener.SCROLL_STATE_IDLE;
private int mCurrentYearDisplayed;
private final java.text.DateFormat mDateFormat = new SimpleDateFormat(
CalendarView.DATE_FORMAT);
private final int mDateTextSize;
private String[] mDayLabels;
private ViewGroup mDayNamesHeader;
private int mDaysPerWeek = 7;
private Calendar mFirstDayOfMonth;
private int mFirstDayOfWeek;
private final int mFocusedMonthDateColor;
private float mFriction = .05f;
private boolean mIsScrollingUp = false;
private int mListScrollTopOffset = 2;
private ListView mListView;
private Calendar mMaxDate;
private Calendar mMinDate;
private TextView mMonthName;
private OnDateChangeListener mOnDateChangeListener;
private long mPreviousScrollPosition;
private int mPreviousScrollState = OnScrollListener.SCROLL_STATE_IDLE;
private ScrollStateRunnable mScrollStateChangedRunnable = new ScrollStateRunnable();
private final Drawable mSelectedDateVerticalBar;
private final int mSelectedDateVerticalBarWidth;
private final int mSelectedWeekBackgroundColor;
private int mShownWeekCount;
private boolean mShowWeekNumber;
private Calendar mTempDate;
private final int mUnfocusedMonthDateColor;
private float mVelocityScale = 0.333f;
private int mWeekMinVisibleHeight = 12;
private final int mWeekNumberColor;
private final int mWeekSeparatorLineColor;
private final int mWeekSeperatorLineWidth;
public CalendarView(Context context) {
this(context, null);
}
public CalendarView(Context context, AttributeSet attrs) {
this(context, attrs, R.attr.calendarViewStyle);
}
public CalendarView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
setCurrentLocale(Locale.getDefault());
TypedArray attributesArray = context.obtainStyledAttributes(attrs,
R.styleable.CalendarView, defStyle, R.style.Holo_CalendarView);
mShowWeekNumber = attributesArray.getBoolean(
R.styleable.CalendarView_showWeekNumber,
CalendarView.DEFAULT_SHOW_WEEK_NUMBER);
mFirstDayOfWeek = attributesArray.getInt(
R.styleable.CalendarView_firstDayOfWeek, 1);
String minDate = attributesArray
.getString(R.styleable.CalendarView_minDate);
if (TextUtils.isEmpty(minDate) || !parseDate(minDate, mMinDate)) {
parseDate(CalendarView.DEFAULT_MIN_DATE, mMinDate);
}
String maxDate = attributesArray
.getString(R.styleable.CalendarView_maxDate);
if (TextUtils.isEmpty(maxDate) || !parseDate(maxDate, mMaxDate)) {
parseDate(CalendarView.DEFAULT_MAX_DATE, mMaxDate);
}
if (mMaxDate.before(mMinDate)) {
throw new IllegalArgumentException(
"Max date cannot be before min date.");
}
mShownWeekCount = attributesArray.getInt(
R.styleable.CalendarView_shownWeekCount,
CalendarView.DEFAULT_SHOWN_WEEK_COUNT);
mSelectedWeekBackgroundColor = attributesArray.getColor(
R.styleable.CalendarView_selectedWeekBackgroundColor, 0);
mFocusedMonthDateColor = attributesArray.getColor(
R.styleable.CalendarView_focusedMonthDateColor, 0);
mUnfocusedMonthDateColor = attributesArray.getColor(
R.styleable.CalendarView_unfocusedMonthDateColor, 0);
mWeekSeparatorLineColor = attributesArray.getColor(
R.styleable.CalendarView_weekSeparatorLineColor, 0);
mWeekNumberColor = attributesArray.getColor(
R.styleable.CalendarView_weekNumberColor, 0);
mSelectedDateVerticalBar = attributesArray
.getDrawable(R.styleable.CalendarView_selectedDateVerticalBar);
attributesArray.getResourceId(
R.styleable.CalendarView_dateTextAppearance,
android.R.style.TextAppearance_Small);
mDateTextSize = (int) (12 * getContext().getResources()
.getDisplayMetrics().density);
int weekDayTextAppearanceResId = attributesArray.getResourceId(
R.styleable.CalendarView_weekDayTextAppearance,
CalendarView.DEFAULT_WEEK_DAY_TEXT_APPEARANCE_RES_ID);
attributesArray.recycle();
DisplayMetrics displayMetrics = getResources().getDisplayMetrics();
mWeekMinVisibleHeight = (int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
CalendarView.UNSCALED_WEEK_MIN_VISIBLE_HEIGHT, displayMetrics);
mListScrollTopOffset = (int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
CalendarView.UNSCALED_LIST_SCROLL_TOP_OFFSET, displayMetrics);
mBottomBuffer = (int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
CalendarView.UNSCALED_BOTTOM_BUFFER, displayMetrics);
mSelectedDateVerticalBarWidth = (int) TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP,
CalendarView.UNSCALED_SELECTED_DATE_VERTICAL_BAR_WIDTH,
displayMetrics);
mWeekSeperatorLineWidth = (int) TypedValue
.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
CalendarView.UNSCALED_WEEK_SEPARATOR_LINE_WIDTH,
displayMetrics);
LayoutInflater.inflate(context, R.layout.calendar_view, this, true);
mListView = (ListView) findViewById(R.id.list);
mDayNamesHeader = (ViewGroup) findViewById(R.id.day_names);
mMonthName = (TextView) findViewById(R.id.month_name);
setUpHeader(weekDayTextAppearanceResId);
setUpListView();
setUpAdapter();
mTempDate.setTimeInMillis(System.currentTimeMillis());
if (mTempDate.before(mMinDate)) {
goTo(mMinDate, false, true, true);
} else if (mMaxDate.before(mTempDate)) {
goTo(mMaxDate, false, true, true);
} else {
goTo(mTempDate, false, true, true);
}
invalidate();
}
private Calendar getCalendarForLocale(Calendar oldCalendar, Locale locale) {
if (oldCalendar == null) {
return Calendar.getInstance(locale);
} else {
final long currentTimeMillis = oldCalendar.getTimeInMillis();
Calendar newCalendar = Calendar.getInstance(locale);
newCalendar.setTimeInMillis(currentTimeMillis);
return newCalendar;
}
}
public long getDate() {
return mAdapter.mSelectedDate.getTimeInMillis();
}
public int getFirstDayOfWeek() {
return mFirstDayOfWeek;
}
public long getMaxDate() {
return mMaxDate.getTimeInMillis();
}
public long getMinDate() {
return mMinDate.getTimeInMillis();
}
public boolean getShowWeekNumber() {
return mShowWeekNumber;
}
private int getWeeksSinceMinDate(Calendar date) {
if (date.before(mMinDate)) {
throw new IllegalArgumentException("fromDate: "
+ mMinDate.getTime() + " does not precede toDate: "
+ date.getTime());
}
long endTimeMillis = date.getTimeInMillis()
+ date.getTimeZone().getOffset(date.getTimeInMillis());
long startTimeMillis = mMinDate.getTimeInMillis()
+ mMinDate.getTimeZone().getOffset(mMinDate.getTimeInMillis());
long dayOffsetMillis = (mMinDate.get(Calendar.DAY_OF_WEEK) - mFirstDayOfWeek)
* CalendarView.MILLIS_IN_DAY;
return (int) ((endTimeMillis - startTimeMillis + dayOffsetMillis) / CalendarView.MILLIS_IN_WEEK);
}
@SuppressLint("NewApi")
private void goTo(Calendar date, boolean animate, boolean setSelected,
boolean forceScroll) {
if (date.before(mMinDate) || date.after(mMaxDate)) {
throw new IllegalArgumentException("Time not between "
+ mMinDate.getTime() + " and " + mMaxDate.getTime());
}
int firstFullyVisiblePosition = mListView.getFirstVisiblePosition();
View firstChild = mListView.getChildAt(0);
if (firstChild != null && firstChild.getTop() < 0) {
firstFullyVisiblePosition++;
}
int lastFullyVisiblePosition = firstFullyVisiblePosition
+ mShownWeekCount - 1;
if (firstChild != null && firstChild.getTop() > mBottomBuffer) {
lastFullyVisiblePosition--;
}
if (setSelected) {
mAdapter.setSelectedDay(date);
}
int position = getWeeksSinceMinDate(date);
if (position < firstFullyVisiblePosition
|| position > lastFullyVisiblePosition || forceScroll) {
mFirstDayOfMonth.setTimeInMillis(date.getTimeInMillis());
mFirstDayOfMonth.set(Calendar.DAY_OF_MONTH, 1);
setMonthDisplayed(mFirstDayOfMonth);
if (mFirstDayOfMonth.before(mMinDate)) {
position = 0;
} else {
position = getWeeksSinceMinDate(mFirstDayOfMonth);
}
mPreviousScrollState = OnScrollListener.SCROLL_STATE_FLING;
if (animate && VERSION.SDK_INT >= 11) {
mListView
.smoothScrollToPositionFromTop(position,
mListScrollTopOffset,
CalendarView.GOTO_SCROLL_DURATION);
} else {
mListView.setSelectionFromTop(position, mListScrollTopOffset);
onScrollStateChanged(mListView,
OnScrollListener.SCROLL_STATE_IDLE);
}
} else if (setSelected) {
setMonthDisplayed(date);
}
}
@Override
public boolean isEnabled() {
return mListView.isEnabled();
}
private boolean isSameDate(Calendar firstDate, Calendar secondDate) {
return firstDate.get(Calendar.DAY_OF_YEAR) == secondDate
.get(Calendar.DAY_OF_YEAR)
&& firstDate.get(Calendar.YEAR) == secondDate
.get(Calendar.YEAR);
}
@SuppressLint("NewApi")
@Override
protected void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
setCurrentLocale(newConfig.locale);
}
private void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
WeekView child = (WeekView) view.getChildAt(0);
if (child == null) {
return;
}
long currScroll = view.getFirstVisiblePosition() * child.getHeight()
- child.getBottom();
if (currScroll < mPreviousScrollPosition) {
mIsScrollingUp = true;
} else if (currScroll > mPreviousScrollPosition) {
mIsScrollingUp = false;
} else {
return;
}
int offset = child.getBottom() < mWeekMinVisibleHeight ? 1 : 0;
if (mIsScrollingUp) {
child = (WeekView) view.getChildAt(CalendarView.SCROLL_HYST_WEEKS
+ offset);
} else if (offset != 0) {
child = (WeekView) view.getChildAt(offset);
}
int month;
if (mIsScrollingUp) {
month = child.getMonthOfFirstWeekDay();
} else {
month = child.getMonthOfLastWeekDay();
}
int monthDiff;
if (mCurrentMonthDisplayed == 11 && month == 0) {
monthDiff = 1;
} else if (mCurrentMonthDisplayed == 0 && month == 11) {
monthDiff = -1;
} else {
monthDiff = month - mCurrentMonthDisplayed;
}
if (!mIsScrollingUp && monthDiff > 0 || mIsScrollingUp && monthDiff < 0) {
Calendar firstDay = child.getFirstDay();
if (mIsScrollingUp) {
firstDay.add(Calendar.DAY_OF_MONTH, -CalendarView.DAYS_PER_WEEK);
} else {
firstDay.add(Calendar.DAY_OF_MONTH, CalendarView.DAYS_PER_WEEK);
}
setMonthDisplayed(firstDay);
}
mPreviousScrollPosition = currScroll;
mPreviousScrollState = mCurrentScrollState;
}
private void onScrollStateChanged(AbsListView view, int scrollState) {
mScrollStateChangedRunnable.doScrollStateChange(view, scrollState);
}
private boolean parseDate(String date, Calendar outDate) {
try {
outDate.setTime(mDateFormat.parse(date));
return true;
} catch (ParseException e) {
Log.w(CalendarView.LOG_TAG, "Date: " + date + " not in format: "
+ CalendarView.DATE_FORMAT);
return false;
}
}
private void setCurrentLocale(Locale locale) {
if (locale.equals(mCurrentLocale)) {
return;
}
mCurrentLocale = locale;
mTempDate = getCalendarForLocale(mTempDate, locale);
mFirstDayOfMonth = getCalendarForLocale(mFirstDayOfMonth, locale);
mMinDate = getCalendarForLocale(mMinDate, locale);
mMaxDate = getCalendarForLocale(mMaxDate, locale);
}
public void setDate(long date) {
setDate(date, false, false);
}
public void setDate(long date, boolean animate, boolean center) {
mTempDate.setTimeInMillis(date);
if (isSameDate(mTempDate, mAdapter.mSelectedDate)) {
return;
}
goTo(mTempDate, animate, true, center);
}
@Override
public void setEnabled(boolean enabled) {
mListView.setEnabled(enabled);
}
public void setFirstDayOfWeek(int firstDayOfWeek) {
if (mFirstDayOfWeek == firstDayOfWeek) {
return;
}
mFirstDayOfWeek = firstDayOfWeek;
mAdapter.init();
mAdapter.notifyDataSetChanged();
setUpHeader(CalendarView.DEFAULT_WEEK_DAY_TEXT_APPEARANCE_RES_ID);
}
public void setMaxDate(long maxDate) {
mTempDate.setTimeInMillis(maxDate);
if (isSameDate(mTempDate, mMaxDate)) {
return;
}
mMaxDate.setTimeInMillis(maxDate);
mAdapter.init();
Calendar date = mAdapter.mSelectedDate;
if (date.after(mMaxDate)) {
setDate(mMaxDate.getTimeInMillis());
} else {
goTo(date, false, true, false);
}
}
public void setMinDate(long minDate) {
mTempDate.setTimeInMillis(minDate);
if (isSameDate(mTempDate, mMinDate)) {
return;
}
mMinDate.setTimeInMillis(minDate);
Calendar date = mAdapter.mSelectedDate;
if (date.before(mMinDate)) {
mAdapter.setSelectedDay(mMinDate);
}
mAdapter.init();
if (date.before(mMinDate)) {
setDate(mTempDate.getTimeInMillis());
} else {
goTo(date, false, true, false);
}
}
private void setMonthDisplayed(Calendar calendar) {
final int newMonthDisplayed = calendar.get(Calendar.MONTH);
final int newYearDisplayed = calendar.get(Calendar.YEAR);
if (mCurrentMonthDisplayed != newMonthDisplayed
|| mCurrentYearDisplayed != newYearDisplayed) {
mCurrentMonthDisplayed = newMonthDisplayed;
mCurrentYearDisplayed = newYearDisplayed;
mAdapter.setFocusMonth(mCurrentMonthDisplayed);
final int flags = DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_NO_MONTH_DAY
| DateUtils.FORMAT_SHOW_YEAR;
final long millis = calendar.getTimeInMillis();
String newMonthName = DateUtils.formatDateRange(getContext(),
millis, millis, flags);
mMonthName.setText(newMonthName);
mMonthName.invalidate();
}
}
public void setOnDateChangeListener(OnDateChangeListener listener) {
mOnDateChangeListener = listener;
}
public void setShowWeekNumber(boolean showWeekNumber) {
if (mShowWeekNumber == showWeekNumber) {
return;
}
mShowWeekNumber = showWeekNumber;
mAdapter.notifyDataSetChanged();
setUpHeader(CalendarView.DEFAULT_WEEK_DAY_TEXT_APPEARANCE_RES_ID);
}
private void setUpAdapter() {
if (mAdapter == null) {
mAdapter = new WeeksAdapter(getContext());
mAdapter.registerDataSetObserver(new DataSetObserver() {
@Override
public void onChanged() {
if (mOnDateChangeListener != null) {
Calendar selectedDay = mAdapter.getSelectedDay();
mOnDateChangeListener.onSelectedDayChange(
CalendarView.this,
selectedDay.get(Calendar.YEAR),
selectedDay.get(Calendar.MONTH),
selectedDay.get(Calendar.DAY_OF_MONTH));
}
}
});
mListView.setAdapter(mAdapter);
}
mAdapter.notifyDataSetChanged();
}
private void setUpHeader(int weekDayTextAppearanceResId) {
mDayLabels = new String[mDaysPerWeek];
for (int i = mFirstDayOfWeek, count = mFirstDayOfWeek + mDaysPerWeek; i < count; i++) {
int calendarDay = i > Calendar.SATURDAY ? i - Calendar.SATURDAY : i;
mDayLabels[i - mFirstDayOfWeek] = DateUtils.getDayOfWeekString(
calendarDay, DateUtils.LENGTH_SHORTEST);
}
TextView label = (TextView) mDayNamesHeader.getChildAt(0);
if (mShowWeekNumber) {
label.setVisibility(View.VISIBLE);
} else {
label.setVisibility(View.GONE);
}
for (int i = 1, count = mDayNamesHeader.getChildCount(); i < count; i++) {
label = (TextView) mDayNamesHeader.getChildAt(i);
if (weekDayTextAppearanceResId > -1) {
label.setTextAppearance(getContext(),
weekDayTextAppearanceResId);
}
if (i < mDaysPerWeek + 1) {
label.setText(mDayLabels[i - 1]);
label.setVisibility(View.VISIBLE);
} else {
label.setVisibility(View.GONE);
}
}
mDayNamesHeader.invalidate();
}
@SuppressLint("NewApi")
private void setUpListView() {
mListView.setDivider(null);
mListView.setItemsCanFocus(true);
mListView.setVerticalScrollBarEnabled(false);
mListView.setOnScrollListener(new OnScrollListener() {
@Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
CalendarView.this.onScroll(view, firstVisibleItem,
visibleItemCount, totalItemCount);
}
@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
CalendarView.this.onScrollStateChanged(view, scrollState);
}
});
if (VERSION.SDK_INT >= 11) {
mListView.setFriction(mFriction);
mListView.setVelocityScale(mVelocityScale);
}
}
}