/***********************************************************************************
* The MIT License (MIT)
* Copyright (c) 2014 Robin Chutaux
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
***********************************************************************************/
package com.marshalchen.common.uimodule.calendarlistview;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.graphics.Paint.Style;
import android.graphics.RectF;
import android.graphics.Typeface;
import android.text.format.DateUtils;
import android.text.format.Time;
import android.view.MotionEvent;
import android.view.View;
import com.marshalchen.common.uimodule.R;
import java.security.InvalidParameterException;
import java.text.DateFormatSymbols;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Locale;
class SimpleMonthView extends View
{
public static final String VIEW_PARAMS_HEIGHT = "height";
public static final String VIEW_PARAMS_MONTH = "month";
public static final String VIEW_PARAMS_YEAR = "year";
public static final String VIEW_PARAMS_SELECTED_BEGIN_DAY = "selected_begin_day";
public static final String VIEW_PARAMS_SELECTED_LAST_DAY = "selected_last_day";
public static final String VIEW_PARAMS_SELECTED_BEGIN_MONTH = "selected_begin_month";
public static final String VIEW_PARAMS_SELECTED_LAST_MONTH = "selected_last_month";
public static final String VIEW_PARAMS_SELECTED_BEGIN_YEAR = "selected_begin_year";
public static final String VIEW_PARAMS_SELECTED_LAST_YEAR = "selected_last_year";
public static final String VIEW_PARAMS_WEEK_START = "week_start";
private static final int SELECTED_CIRCLE_ALPHA = 128;
protected static int DEFAULT_HEIGHT = 32;
protected static final int DEFAULT_NUM_ROWS = 6;
protected static int DAY_SELECTED_CIRCLE_SIZE;
protected static int DAY_SEPARATOR_WIDTH = 1;
protected static int MINI_DAY_NUMBER_TEXT_SIZE;
protected static int MIN_HEIGHT = 10;
protected static int MONTH_DAY_LABEL_TEXT_SIZE;
protected static int MONTH_HEADER_SIZE;
protected static int MONTH_LABEL_TEXT_SIZE;
protected int mPadding = 0;
private String mDayOfWeekTypeface;
private String mMonthTitleTypeface;
protected Paint mMonthDayLabelPaint;
protected Paint mMonthNumPaint;
protected Paint mMonthTitleBGPaint;
protected Paint mMonthTitlePaint;
protected Paint mSelectedCirclePaint;
protected int mCurrentDayTextColor;
protected int mMonthTextColor;
protected int mDayTextColor;
protected int mDayNumColor;
protected int mMonthTitleBGColor;
protected int mPreviousDayColor;
protected int mSelectedDaysColor;
private final StringBuilder mStringBuilder;
protected boolean mHasToday = false;
protected boolean mIsPrev = false;
protected int mSelectedBeginDay = -1;
protected int mSelectedLastDay = -1;
protected int mSelectedBeginMonth = -1;
protected int mSelectedLastMonth = -1;
protected int mSelectedBeginYear = -1;
protected int mSelectedLastYear = -1;
protected int mToday = -1;
protected int mWeekStart = 1;
protected int mNumDays = 7;
protected int mNumCells = mNumDays;
private int mDayOfWeekStart = 0;
protected int mMonth;
protected Boolean mDrawRect;
protected int mRowHeight = DEFAULT_HEIGHT;
protected int mWidth;
protected int mYear;
final Time today;
private final Calendar mCalendar;
private final Calendar mDayLabelCalendar;
private final Boolean isPrevDayEnabled;
private int mNumRows = DEFAULT_NUM_ROWS;
private DateFormatSymbols mDateFormatSymbols = new DateFormatSymbols();
private OnDayClickListener mOnDayClickListener;
public SimpleMonthView(Context context, TypedArray typedArray)
{
super(context);
Resources resources = context.getResources();
mDayLabelCalendar = Calendar.getInstance();
mCalendar = Calendar.getInstance();
today = new Time(Time.getCurrentTimezone());
today.setToNow();
mDayOfWeekTypeface = "sans_serif";
mMonthTitleTypeface = "sans_serif";
mCurrentDayTextColor = typedArray.getColor(R.styleable.DayPickerView_colorCurrentDay, resources.getColor(R.color.normal_day));
mMonthTextColor = typedArray.getColor(R.styleable.DayPickerView_colorMonthName, resources.getColor(R.color.normal_day));
mDayTextColor = typedArray.getColor(R.styleable.DayPickerView_colorDayName, resources.getColor(R.color.normal_day));
mDayNumColor = typedArray.getColor(R.styleable.DayPickerView_colorNormalDay, resources.getColor(R.color.normal_day));
mPreviousDayColor = typedArray.getColor(R.styleable.DayPickerView_colorPreviousDay, resources.getColor(R.color.normal_day));
mSelectedDaysColor = typedArray.getColor(R.styleable.DayPickerView_colorSelectedDayBackground, resources.getColor(R.color.selected_day_background));
mMonthTitleBGColor = typedArray.getColor(R.styleable.DayPickerView_colorSelectedDayText, resources.getColor(R.color.selected_day_text));
mDrawRect = typedArray.getBoolean(R.styleable.DayPickerView_drawRoundRect, false);
mStringBuilder = new StringBuilder(50);
MINI_DAY_NUMBER_TEXT_SIZE = typedArray.getDimensionPixelSize(R.styleable.DayPickerView_textSizeDay, resources.getDimensionPixelSize(R.dimen.text_size_day));
MONTH_LABEL_TEXT_SIZE = typedArray.getDimensionPixelSize(R.styleable.DayPickerView_textSizeMonth, resources.getDimensionPixelSize(R.dimen.text_size_month));
MONTH_DAY_LABEL_TEXT_SIZE = typedArray.getDimensionPixelSize(R.styleable.DayPickerView_textSizeDayName, resources.getDimensionPixelSize(R.dimen.text_size_day_name));
MONTH_HEADER_SIZE = typedArray.getDimensionPixelOffset(R.styleable.DayPickerView_headerMonthHeight, resources.getDimensionPixelOffset(R.dimen.header_month_height));
DAY_SELECTED_CIRCLE_SIZE = typedArray.getDimensionPixelSize(R.styleable.DayPickerView_selectedDayRadius, resources.getDimensionPixelOffset(R.dimen.selected_day_radius));
mRowHeight = ((typedArray.getDimensionPixelSize(R.styleable.DayPickerView_calendarHeight, resources.getDimensionPixelOffset(R.dimen.calendar_height)) - MONTH_HEADER_SIZE) / 6);
isPrevDayEnabled = typedArray.getBoolean(R.styleable.DayPickerView_enablePreviousDay, true);
initView();
}
private int calculateNumRows() {
int offset = findDayOffset();
int dividend = (offset + mNumCells) / mNumDays;
int remainder = (offset + mNumCells) % mNumDays;
return (dividend + (remainder > 0 ? 1 : 0));
}
private void drawMonthDayLabels(Canvas canvas) {
int y = MONTH_HEADER_SIZE - (MONTH_DAY_LABEL_TEXT_SIZE / 2);
int dayWidthHalf = (mWidth - mPadding * 2) / (mNumDays * 2);
for (int i = 0; i < mNumDays; i++) {
int calendarDay = (i + mWeekStart) % mNumDays;
int x = (2 * i + 1) * dayWidthHalf + mPadding;
mDayLabelCalendar.set(Calendar.DAY_OF_WEEK, calendarDay);
canvas.drawText(mDateFormatSymbols.getShortWeekdays()[mDayLabelCalendar.get(Calendar.DAY_OF_WEEK)].toUpperCase(Locale.getDefault()), x, y, mMonthDayLabelPaint);
}
}
private void drawMonthTitle(Canvas canvas) {
int x = (mWidth + 2 * mPadding) / 2;
int y = (MONTH_HEADER_SIZE - MONTH_DAY_LABEL_TEXT_SIZE) / 2 + (MONTH_LABEL_TEXT_SIZE / 3);
StringBuilder stringBuilder = new StringBuilder(getMonthAndYearString().toLowerCase());
stringBuilder.setCharAt(0, Character.toUpperCase(stringBuilder.charAt(0)));
canvas.drawText(stringBuilder.toString(), x, y, mMonthTitlePaint);
}
private int findDayOffset() {
return (mDayOfWeekStart < mWeekStart ? (mDayOfWeekStart + mNumDays) : mDayOfWeekStart)
- mWeekStart;
}
private String getMonthAndYearString() {
int flags = DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR | DateUtils.FORMAT_NO_MONTH_DAY;
mStringBuilder.setLength(0);
long millis = mCalendar.getTimeInMillis();
return DateUtils.formatDateRange(getContext(), millis, millis, flags);
}
private void onDayClick(SimpleMonthAdapter.CalendarDay calendarDay) {
if (mOnDayClickListener != null && (isPrevDayEnabled || !((calendarDay.month == today.month) && (calendarDay.year == today.year) && calendarDay.day < today.monthDay))) {
mOnDayClickListener.onDayClick(this, calendarDay);
}
}
private boolean sameDay(int monthDay, Time time) {
return (mYear == time.year) && (mMonth == time.month) && (monthDay == time.monthDay);
}
private boolean prevDay(int monthDay, Time time) {
return ((mYear < time.year)) || (mYear == time.year && mMonth < time.month) || ( mMonth == time.month && monthDay < time.monthDay);
}
protected void drawMonthNums(Canvas canvas) {
int y = (mRowHeight + MINI_DAY_NUMBER_TEXT_SIZE) / 2 - DAY_SEPARATOR_WIDTH + MONTH_HEADER_SIZE;
int paddingDay = (mWidth - 2 * mPadding) / (2 * mNumDays);
int dayOffset = findDayOffset();
int day = 1;
while (day <= mNumCells) {
int x = paddingDay * (1 + dayOffset * 2) + mPadding;
if ((mMonth == mSelectedBeginMonth && mSelectedBeginDay == day && mSelectedBeginYear == mYear) || (mMonth == mSelectedLastMonth && mSelectedLastDay == day && mSelectedLastYear == mYear)) {
if (mDrawRect)
{
RectF rectF = new RectF(x - DAY_SELECTED_CIRCLE_SIZE, (y - MINI_DAY_NUMBER_TEXT_SIZE / 3) - DAY_SELECTED_CIRCLE_SIZE, x + DAY_SELECTED_CIRCLE_SIZE, (y - MINI_DAY_NUMBER_TEXT_SIZE / 3) + DAY_SELECTED_CIRCLE_SIZE);
canvas.drawRoundRect(rectF, 10.0f, 10.0f,mSelectedCirclePaint);
}
else
canvas.drawCircle(x, y - MINI_DAY_NUMBER_TEXT_SIZE / 3, DAY_SELECTED_CIRCLE_SIZE, mSelectedCirclePaint);
}
if (mHasToday && (mToday == day)) {
mMonthNumPaint.setColor(mCurrentDayTextColor);
mMonthNumPaint.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD));
} else {
mMonthNumPaint.setColor(mDayNumColor);
mMonthNumPaint.setTypeface(Typeface.defaultFromStyle(Typeface.NORMAL));
}
if ((mMonth == mSelectedBeginMonth && mSelectedBeginDay == day && mSelectedBeginYear == mYear) || (mMonth == mSelectedLastMonth && mSelectedLastDay == day && mSelectedLastYear == mYear))
mMonthNumPaint.setColor(mMonthTitleBGColor);
if ((mSelectedBeginDay != -1 && mSelectedLastDay != -1 && mSelectedBeginYear == mSelectedLastYear &&
mSelectedBeginMonth == mSelectedLastMonth &&
mSelectedBeginDay == mSelectedLastDay &&
day == mSelectedBeginDay &&
mMonth == mSelectedBeginMonth &&
mYear == mSelectedBeginYear))
mMonthNumPaint.setColor(mSelectedDaysColor);
if ((mSelectedBeginDay != -1 && mSelectedLastDay != -1 && mSelectedBeginYear == mSelectedLastYear && mSelectedBeginYear == mYear) &&
(((mMonth == mSelectedBeginMonth && mSelectedLastMonth == mSelectedBeginMonth) && ((mSelectedBeginDay < mSelectedLastDay && day > mSelectedBeginDay && day < mSelectedLastDay) || (mSelectedBeginDay > mSelectedLastDay && day < mSelectedBeginDay && day > mSelectedLastDay))) ||
((mSelectedBeginMonth < mSelectedLastMonth && mMonth == mSelectedBeginMonth && day > mSelectedBeginDay) || (mSelectedBeginMonth < mSelectedLastMonth && mMonth == mSelectedLastMonth && day < mSelectedLastDay)) ||
((mSelectedBeginMonth > mSelectedLastMonth && mMonth == mSelectedBeginMonth && day < mSelectedBeginDay) || (mSelectedBeginMonth > mSelectedLastMonth && mMonth == mSelectedLastMonth && day > mSelectedLastDay))))
{
mMonthNumPaint.setColor(mSelectedDaysColor);
}
if ((mSelectedBeginDay != -1 && mSelectedLastDay != -1 && mSelectedBeginYear != mSelectedLastYear && ((mSelectedBeginYear == mYear && mMonth == mSelectedBeginMonth) || (mSelectedLastYear == mYear && mMonth == mSelectedLastMonth)) &&
(((mSelectedBeginMonth < mSelectedLastMonth && mMonth == mSelectedBeginMonth && day < mSelectedBeginDay) || (mSelectedBeginMonth < mSelectedLastMonth && mMonth == mSelectedLastMonth && day > mSelectedLastDay)) ||
((mSelectedBeginMonth > mSelectedLastMonth && mMonth == mSelectedBeginMonth && day > mSelectedBeginDay) || (mSelectedBeginMonth > mSelectedLastMonth && mMonth == mSelectedLastMonth && day < mSelectedLastDay)))))
{
mMonthNumPaint.setColor(mSelectedDaysColor);
}
if ((mSelectedBeginDay != -1 && mSelectedLastDay != -1 && mSelectedBeginYear == mSelectedLastYear && mYear == mSelectedBeginYear) &&
((mMonth > mSelectedBeginMonth && mMonth < mSelectedLastMonth && mSelectedBeginMonth < mSelectedLastMonth) ||
(mMonth < mSelectedBeginMonth && mMonth > mSelectedLastMonth && mSelectedBeginMonth > mSelectedLastMonth)))
{
mMonthNumPaint.setColor(mSelectedDaysColor);
}
if ((mSelectedBeginDay != -1 && mSelectedLastDay != -1 && mSelectedBeginYear != mSelectedLastYear) &&
((mSelectedBeginYear < mSelectedLastYear && ((mMonth > mSelectedBeginMonth && mYear == mSelectedBeginYear) || (mMonth < mSelectedLastMonth && mYear == mSelectedLastYear))) ||
(mSelectedBeginYear > mSelectedLastYear && ((mMonth < mSelectedBeginMonth && mYear == mSelectedBeginYear) || (mMonth > mSelectedLastMonth && mYear == mSelectedLastYear)))))
{
mMonthNumPaint.setColor(mSelectedDaysColor);
}
if (!isPrevDayEnabled && prevDay(day, today) && today.month == mMonth && today.year == mYear)
{
mMonthNumPaint.setColor(mPreviousDayColor);
mMonthNumPaint.setTypeface(Typeface.defaultFromStyle(Typeface.ITALIC));
}
canvas.drawText(String.format("%d", day), x, y, mMonthNumPaint);
dayOffset++;
if (dayOffset == mNumDays) {
dayOffset = 0;
y += mRowHeight;
}
day++;
}
}
public SimpleMonthAdapter.CalendarDay getDayFromLocation(float x, float y) {
int padding = mPadding;
if ((x < padding) || (x > mWidth - mPadding)) {
return null;
}
int yDay = (int) (y - MONTH_HEADER_SIZE) / mRowHeight;
int day = 1 + ((int) ((x - padding) * mNumDays / (mWidth - padding - mPadding)) - findDayOffset()) + yDay * mNumDays;
if (mMonth > 11 || mMonth < 0 || CalendarUtils.getDaysInMonth(mMonth, mYear) < day || day < 1)
return null;
return new SimpleMonthAdapter.CalendarDay(mYear, mMonth, day);
}
protected void initView() {
mMonthTitlePaint = new Paint();
mMonthTitlePaint.setFakeBoldText(true);
mMonthTitlePaint.setAntiAlias(true);
mMonthTitlePaint.setTextSize(MONTH_LABEL_TEXT_SIZE);
mMonthTitlePaint.setTypeface(Typeface.create(mMonthTitleTypeface, Typeface.BOLD));
mMonthTitlePaint.setColor(mMonthTextColor);
mMonthTitlePaint.setTextAlign(Align.CENTER);
mMonthTitlePaint.setStyle(Style.FILL);
mMonthTitleBGPaint = new Paint();
mMonthTitleBGPaint.setFakeBoldText(true);
mMonthTitleBGPaint.setAntiAlias(true);
mMonthTitleBGPaint.setColor(mMonthTitleBGColor);
mMonthTitleBGPaint.setTextAlign(Align.CENTER);
mMonthTitleBGPaint.setStyle(Style.FILL);
mSelectedCirclePaint = new Paint();
mSelectedCirclePaint.setFakeBoldText(true);
mSelectedCirclePaint.setAntiAlias(true);
mSelectedCirclePaint.setColor(mSelectedDaysColor);
mSelectedCirclePaint.setTextAlign(Align.CENTER);
mSelectedCirclePaint.setStyle(Style.FILL);
mSelectedCirclePaint.setAlpha(SELECTED_CIRCLE_ALPHA);
mMonthDayLabelPaint = new Paint();
mMonthDayLabelPaint.setAntiAlias(true);
mMonthDayLabelPaint.setTextSize(MONTH_DAY_LABEL_TEXT_SIZE);
mMonthDayLabelPaint.setColor(mDayTextColor);
mMonthDayLabelPaint.setTypeface(Typeface.create(mDayOfWeekTypeface, Typeface.NORMAL));
mMonthDayLabelPaint.setStyle(Style.FILL);
mMonthDayLabelPaint.setTextAlign(Align.CENTER);
mMonthDayLabelPaint.setFakeBoldText(true);
mMonthNumPaint = new Paint();
mMonthNumPaint.setAntiAlias(true);
mMonthNumPaint.setTextSize(MINI_DAY_NUMBER_TEXT_SIZE);
mMonthNumPaint.setStyle(Style.FILL);
mMonthNumPaint.setTextAlign(Align.CENTER);
mMonthNumPaint.setFakeBoldText(false);
}
protected void onDraw(Canvas canvas) {
drawMonthTitle(canvas);
drawMonthDayLabels(canvas);
drawMonthNums(canvas);
}
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), mRowHeight * mNumRows + MONTH_HEADER_SIZE);
}
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
mWidth = w;
}
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
SimpleMonthAdapter.CalendarDay calendarDay = getDayFromLocation(event.getX(), event.getY());
if (calendarDay != null) {
onDayClick(calendarDay);
}
}
return true;
}
public void reuse() {
mNumRows = DEFAULT_NUM_ROWS;
requestLayout();
}
public void setMonthParams(HashMap<String, Integer> params) {
if (!params.containsKey(VIEW_PARAMS_MONTH) && !params.containsKey(VIEW_PARAMS_YEAR)) {
throw new InvalidParameterException("You must specify month and year for this view");
}
setTag(params);
if (params.containsKey(VIEW_PARAMS_HEIGHT)) {
mRowHeight = params.get(VIEW_PARAMS_HEIGHT);
if (mRowHeight < MIN_HEIGHT) {
mRowHeight = MIN_HEIGHT;
}
}
if (params.containsKey(VIEW_PARAMS_SELECTED_BEGIN_DAY)) {
mSelectedBeginDay = params.get(VIEW_PARAMS_SELECTED_BEGIN_DAY);
}
if (params.containsKey(VIEW_PARAMS_SELECTED_LAST_DAY)) {
mSelectedLastDay = params.get(VIEW_PARAMS_SELECTED_LAST_DAY);
}
if (params.containsKey(VIEW_PARAMS_SELECTED_BEGIN_MONTH)) {
mSelectedBeginMonth = params.get(VIEW_PARAMS_SELECTED_BEGIN_MONTH);
}
if (params.containsKey(VIEW_PARAMS_SELECTED_LAST_MONTH)) {
mSelectedLastMonth = params.get(VIEW_PARAMS_SELECTED_LAST_MONTH);
}
if (params.containsKey(VIEW_PARAMS_SELECTED_BEGIN_YEAR)) {
mSelectedBeginYear = params.get(VIEW_PARAMS_SELECTED_BEGIN_YEAR);
}
if (params.containsKey(VIEW_PARAMS_SELECTED_LAST_YEAR)) {
mSelectedLastYear = params.get(VIEW_PARAMS_SELECTED_LAST_YEAR);
}
mMonth = params.get(VIEW_PARAMS_MONTH);
mYear = params.get(VIEW_PARAMS_YEAR);
mHasToday = false;
mToday = -1;
mCalendar.set(Calendar.MONTH, mMonth);
mCalendar.set(Calendar.YEAR, mYear);
mCalendar.set(Calendar.DAY_OF_MONTH, 1);
mDayOfWeekStart = mCalendar.get(Calendar.DAY_OF_WEEK);
if (params.containsKey(VIEW_PARAMS_WEEK_START)) {
mWeekStart = params.get(VIEW_PARAMS_WEEK_START);
} else {
mWeekStart = mCalendar.getFirstDayOfWeek();
}
mNumCells = CalendarUtils.getDaysInMonth(mMonth, mYear);
for (int i = 0; i < mNumCells; i++) {
final int day = i + 1;
if (sameDay(day, today)) {
mHasToday = true;
mToday = day;
}
mIsPrev = prevDay(day, today);
}
mNumRows = calculateNumRows();
}
public void setOnDayClickListener(OnDayClickListener onDayClickListener) {
mOnDayClickListener = onDayClickListener;
}
public static abstract interface OnDayClickListener {
public abstract void onDayClick(SimpleMonthView simpleMonthView, SimpleMonthAdapter.CalendarDay calendarDay);
}
}