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Simple-Calendar
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move the logic in an interface

This commit is contained in:
tibbi 2016-01-30 22:16:55 +01:00
parent c4e0212c1c
commit 90f1122eac
5 changed files with 172 additions and 65 deletions
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9
app/src/main/java/calendar/simplemobiletools/com/Calendar.java Normal file
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@ -0,0 +1,9 @@
package calendar.simplemobiletools.com;
import java.util.List;
public interface Calendar {
void updateDays(List<Day> days);
void updateMonth(String month);
}

88
app/src/main/java/calendar/simplemobiletools/com/CalendarImpl.java Normal file
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@ -0,0 +1,88 @@
package calendar.simplemobiletools.com;
import org.joda.time.DateTime;
import java.text.DateFormatSymbols;
import java.util.ArrayList;
import java.util.List;
public class CalendarImpl {
public static final int DAYS_CNT = 42;
private static final String DATE_PATTERN = "ddMMYYYY";
private static final String YEAR_PATTERN = "YYYY";
private final Calendar callback;
private final String today;
private DateTime targetDate;
public CalendarImpl(Calendar callback, DateTime targetDate) {
this.callback = callback;
this.targetDate = targetDate;
today = new DateTime().toString(DATE_PATTERN);
}
public void updateCalendar(DateTime targetDateTime) {
this.targetDate = targetDateTime;
getDays(targetDateTime);
getMonthName();
}
public void getPrevMonth() {
updateCalendar(targetDate.minusMonths(1));
}
public void getNextMonth() {
updateCalendar(targetDate.plusMonths(1));
}
private void getDays(DateTime targetDate) {
final List<Day> days = new ArrayList<>(DAYS_CNT);
final int currMonthDays = targetDate.dayOfMonth().getMaximumValue();
final int firstDayIndex = targetDate.withDayOfMonth(1).getDayOfWeek() - 1;
final int prevMonthDays = targetDate.minusMonths(1).dayOfMonth().getMaximumValue();
boolean isThisMonth = false;
boolean isToday;
int value = prevMonthDays - firstDayIndex + 1;
for (int i = 0; i < DAYS_CNT; i++) {
if (i < firstDayIndex) {
isThisMonth = false;
} else if (i == firstDayIndex) {
value = 1;
isThisMonth = true;
} else if (value == currMonthDays + 1) {
value = 1;
isThisMonth = false;
}
isToday = isThisMonth && isToday(targetDate, value);
final Day day = new Day(value, isThisMonth, isToday);
days.add(day);
value++;
}
callback.updateDays(days);
}
private boolean isToday(DateTime targetDate, int curDayInMonth) {
return targetDate.withDayOfMonth(curDayInMonth).toString(DATE_PATTERN).equals(today);
}
private void getMonthName() {
final String[] months = new DateFormatSymbols().getMonths();
String month = (months[targetDate.getMonthOfYear() - 1]);
final String targetYear = targetDate.toString(YEAR_PATTERN);
if (!targetYear.equals(new DateTime().toString(YEAR_PATTERN))) {
month += " " + targetYear;
}
callback.updateMonth(month);
}
public DateTime getTargetDate() {
return targetDate;
}
}

25
app/src/main/java/calendar/simplemobiletools/com/Day.java Normal file
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@ -0,0 +1,25 @@
package calendar.simplemobiletools.com;
public class Day {
private final int value;
private final boolean isThisMonth;
private final boolean isToday;
public Day(int value, boolean isThisMonth, boolean isToday) {
this.value = value;
this.isThisMonth = isThisMonth;
this.isToday = isToday;
}
public int getValue() {
return value;
}
public boolean getIsThisMonth() {
return isThisMonth;
}
public boolean getIsToday() {
return isToday;
}
}

113
app/src/main/java/calendar/simplemobiletools/com/MainActivity.java
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@ -1,15 +1,15 @@
package calendar.simplemobiletools.com;
import android.content.res.Resources;
import android.graphics.PorterDuff;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import org.joda.time.DateTime;
import java.text.DateFormatSymbols;
import java.util.List;
import butterknife.Bind;
import butterknife.BindColor;
@ -17,22 +17,20 @@ import butterknife.BindDimen;
import butterknife.ButterKnife;
import butterknife.OnClick;
public class MainActivity extends AppCompatActivity implements MyDatePickerDialog.DatePickedListener {
public class MainActivity extends AppCompatActivity implements MyDatePickerDialog.DatePickedListener, Calendar {
public static final String DATE = "date";
private static final String DATE_PATTERN = "ddMMYYYY";
private static final String YEAR_PATTERN = "YYYY";
@Bind(R.id.left_arrow) ImageView leftArrow;
@Bind(R.id.right_arrow) ImageView rightArrow;
@Bind(R.id.table_month) TextView monthTV;
@Bind(R.id.table_holder) LinearLayout tableHolder;
@BindColor(R.color.darkGrey) int darkGrey;
@BindColor(R.color.lightGrey) int lightGrey;
@BindDimen(R.dimen.day_text_size) float dayTextSize;
@BindDimen(R.dimen.today_text_size) float todayTextSize;
private DateTime targetDate;
private String today;
private CalendarImpl calendar;
private Resources res;
private String packageName;
@Override
protected void onCreate(Bundle savedInstanceState) {
@ -42,92 +40,79 @@ public class MainActivity extends AppCompatActivity implements MyDatePickerDialo
leftArrow.getDrawable().mutate().setColorFilter(darkGrey, PorterDuff.Mode.SRC_ATOP);
rightArrow.getDrawable().mutate().setColorFilter(darkGrey, PorterDuff.Mode.SRC_ATOP);
targetDate = new DateTime();
today = targetDate.toString(DATE_PATTERN);
res = getResources();
packageName = getPackageName();
dayTextSize /= getResources().getDisplayMetrics().density;
todayTextSize /= getResources().getDisplayMetrics().density;
fillCalendar();
DateTime now = new DateTime();
calendar = new CalendarImpl(this, now);
calendar.updateCalendar(now);
setupLabelSizes();
}
private void fillCalendar() {
monthTV.setText(getMonthName());
final int currMonthDays = targetDate.dayOfMonth().getMaximumValue();
final int firstDayIndex = targetDate.withDayOfMonth(1).getDayOfWeek() - 1;
final int prevMonthDays = targetDate.minusMonths(1).dayOfMonth().getMaximumValue();
final int prevMonthStart = prevMonthDays - firstDayIndex + 1;
private void fillCalendar(List<Day> days) {
final int len = days.size();
int cur = 0;
int thisMonthDays = 1;
int nextMonthsDay = 1;
for (int i = 0; i < len; i++) {
final Day day = days.get(i);
final TextView dayTV = (TextView) findViewById(res.getIdentifier("day_" + i, "id", packageName));
dayTV.setText(String.valueOf(day.getValue()));
final int rowsCnt = tableHolder.getChildCount();
for (int i = 1; i < rowsCnt; i++) {
final LinearLayout row = (LinearLayout) tableHolder.getChildAt(i);
final int daysCnt = row.getChildCount();
for (int j = 0; j < daysCnt; j++) {
final TextView day = (TextView) row.getChildAt(j);
day.setTextSize(dayTextSize);
if (day.getIsThisMonth()) {
dayTV.setTextColor(darkGrey);
} else {
dayTV.setTextColor(lightGrey);
}
int currDate = thisMonthDays;
if (cur < firstDayIndex) {
currDate = prevMonthStart + cur;
day.setTextColor(lightGrey);
} else if (currDate <= currMonthDays) {
if (targetDate.withDayOfMonth(thisMonthDays).toString(DATE_PATTERN).equals(today)) {
day.setTextSize(todayTextSize);
}
thisMonthDays++;
day.setTextColor(darkGrey);
} else {
currDate = nextMonthsDay++;
day.setTextColor(lightGrey);
}
day.setText(String.valueOf(currDate));
cur++;
if (day.getIsToday()) {
dayTV.setTextSize(todayTextSize);
} else {
dayTV.setTextSize(dayTextSize);
}
}
}
@OnClick(R.id.left_arrow)
public void leftArrowClicked() {
targetDate = targetDate.minusMonths(1);
fillCalendar();
calendar.getPrevMonth();
}
@OnClick(R.id.right_arrow)
public void rightArrowClicked() {
targetDate = targetDate.plusMonths(1);
fillCalendar();
calendar.getNextMonth();
}
@OnClick(R.id.table_month)
public void pickMonth() {
final MyDatePickerDialog dialog = new MyDatePickerDialog();
final Bundle bundle = new Bundle();
bundle.putString(DATE, targetDate.toString());
bundle.putString(DATE, calendar.getTargetDate().toString());
dialog.setArguments(bundle);
dialog.show(getSupportFragmentManager(), "datepicker");
}
private String getMonthName() {
final String[] months = new DateFormatSymbols().getMonths();
final StringBuilder sb = new StringBuilder();
sb.append(months[targetDate.getMonthOfYear() - 1]);
final String targetYear = targetDate.toString(YEAR_PATTERN);
if (!targetYear.equals(new DateTime().toString(YEAR_PATTERN))) {
sb.append(" ");
sb.append(targetYear);
}
return sb.toString();
@Override
public void onDatePicked(DateTime dateTime) {
calendar.updateCalendar(dateTime);
}
@Override
public void onDatePicked(DateTime dateTime) {
targetDate = dateTime;
fillCalendar();
public void updateDays(List<Day> days) {
fillCalendar(days);
}
@Override
public void updateMonth(String month) {
monthTV.setText(month);
}
private void setupLabelSizes() {
for (int i = 0; i < 7; i++) {
final TextView dayTV = (TextView) findViewById(res.getIdentifier("label_" + i, "id", packageName));
dayTV.setTextSize(dayTextSize);
}
}
}

2
app/src/main/res/values/dimens.xml
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@ -1,5 +1,5 @@
<resources>
<dimen name="activity_margin">16dp</dimen>
<dimen name="day_text_size">16sp</dimen>
<dimen name="today_text_size">22sp</dimen>
<dimen name="today_text_size">30sp</dimen>
</resources>