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updated adapter

This commit is contained in:
Ilia Kurtov 2016-03-15 22:40:49 +03:00
parent 5cbefb4f5a
commit 3130e06341
1 changed files with 162 additions and 81 deletions
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243
src/main/java/ru/touchin/roboswag/components/utils/CalendarAdapter.java
View File

@ -20,16 +20,11 @@
package ru.touchin.roboswag.components.utils;
import android.content.Context;
import android.graphics.Color;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.Calendar;
@ -38,65 +33,108 @@ import java.util.List;
import java.util.Locale;
import java.util.concurrent.TimeUnit;
import ru.touchin.roboswag.core.log.Lc;
/**
* Created by Ilia Kurtov on 11.03.2016.
* //TODO: fill description
*/
public class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
public abstract class CalendarAdapter<TDayViewHolder extends RecyclerView.ViewHolder, THeaderViewHolder extends RecyclerView.ViewHolder,
TEmptyViewHolder extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
private static final int HEADER_ITEM_TYPE = 0;
private static final int EMPTY_ITEM_TYPE = 1;
private static final int DAY_ITEM_TYPE = 2;
public static final int DAYS_IN_WEEK = 7;
public static final long ONE_WEEK_LENGTH = TimeUnit.DAYS.toMillis(7);
public static final int MONTHS_IN_YEAR = 12;
public static final long ONE_DAY_LENGTH = TimeUnit.DAYS.toMillis(1);
private int shift;
private int emptyShift;
private boolean isWeekShifted;
private boolean isMonthStarted;
private List<CalendarItem> calendarItems;
private Calendar startDate;
private Calendar endDate;
@Nullable
private Integer startSelectionPosition;
@Nullable
private Integer endSelectionPosition;
@NonNull
private final Context context;
private String[] monthsNames = null;
@Nullable
public String[] getMonthsNames() {
return monthsNames;
}
protected CalendarAdapter(@NonNull final Context context, @Nullable final String... monthsNames) {
this.context = context;
if (monthsNames != null && monthsNames.length == MONTHS_IN_YEAR) {
this.monthsNames = monthsNames;
}
}
public void setRange(@NonNull final Calendar startDate, @NonNull final Calendar endDate) {
this.startDate = getCleanDate(startDate);
this.endDate = getCleanDate(endDate);
fillRanges();
fillRanges(getCleanDate(startDate), getCleanDate(endDate));
getItemCount();
}
public CalendarAdapter(@NonNull final Context context) {
this.context = context;
public void setSelectedRange(@Nullable final Calendar startSelectionDate, @Nullable final Calendar endSelectionDate) {
if (startSelectionDate != null) {
startSelectionPosition = findPositionByDate(getCleanDate(startSelectionDate).getTimeInMillis() / ONE_DAY_LENGTH);
}
if (endSelectionDate != null) {
endSelectionPosition = findPositionByDate(getCleanDate(endSelectionDate).getTimeInMillis() / ONE_DAY_LENGTH);
}
notifySelectedDaysChanged();
}
private void notifySelectedDaysChanged() {
if (startSelectionPosition == null && endSelectionPosition == null) {
return;
}
if (startSelectionPosition == null) {
notifyItemRangeChanged(endSelectionPosition, 1);
return;
}
if (endSelectionPosition == null) {
notifyItemRangeChanged(startSelectionPosition, 1);
return;
}
notifyItemRangeChanged(startSelectionPosition, endSelectionPosition - startSelectionPosition);
}
@Override
public RecyclerView.ViewHolder onCreateViewHolder(final ViewGroup parent, final int viewType) {
final TextView view = new TextView(context);
final RecyclerView.LayoutParams layoutParams = new RecyclerView.LayoutParams(100, 100);
view.setTextColor(Color.BLACK);
view.setLayoutParams(layoutParams);
view.setGravity(Gravity.CENTER);
switch (viewType) {
case HEADER_ITEM_TYPE:
return new HeaderViewHolder(view);
return createHeaderViewHolder(parent);
case EMPTY_ITEM_TYPE:
return new EmptyViewHolder(view);
return createEmptyViewHolder(parent);
case DAY_ITEM_TYPE:
return new DayViewHolder(view);
return createDayViewHolder(parent);
default:
return null;
}
}
protected abstract THeaderViewHolder createHeaderViewHolder(final ViewGroup parent);
protected abstract TEmptyViewHolder createEmptyViewHolder(final ViewGroup parent);
protected abstract TDayViewHolder createDayViewHolder(final ViewGroup parent);
protected abstract void bindHeaderItem(@NonNull final THeaderViewHolder viewHolder, @NonNull final String monthName);
protected abstract void bindEmptyItem(@NonNull final TEmptyViewHolder viewHolder, @NonNull final CalendarState state);
protected abstract void bindDayItem(@NonNull final TDayViewHolder viewHolder,
@NonNull final String day,
@NonNull final Date date,
@NonNull final CalendarState state);
@Override
@SuppressWarnings("unchecked")
public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int position) {
final CalendarItem calendarItem = find(position);
@ -105,13 +143,39 @@ public class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
layoutParams.setFullSpan(true);
holder.itemView.setLayoutParams(layoutParams);
((HeaderViewHolder) holder).bindItem(((CalendarHeaderItem) calendarItem).getMonth());
final String monthName;
if (monthsNames != null) {
monthName = monthsNames[((CalendarHeaderItem) calendarItem).getMonth()];
} else {
monthName = String.valueOf(((CalendarHeaderItem) calendarItem).getMonth());
}
bindHeaderItem((THeaderViewHolder) holder, monthName);
} else if (calendarItem instanceof CalendarEmptyItem) {
((EmptyViewHolder) holder).bindItem();
if (startSelectionPosition != null && endSelectionPosition != null
&& position >= startSelectionPosition && position <= endSelectionPosition) {
bindEmptyItem((TEmptyViewHolder) holder, CalendarState.SELECTED_MIDDLE);
} else {
bindEmptyItem((TEmptyViewHolder) holder, CalendarState.NOT_SELECTED);
}
} else if (calendarItem instanceof CalendarDayItem) {
final Calendar calendar = Calendar.getInstance();
calendar.setTime(new Date((((CalendarDayItem) calendarItem).getFirstDayReal() + (position - calendarItem.getStartRange())) * ONE_DAY_LENGTH));
((DayViewHolder) holder).bindItem(String.valueOf(calendar.get(Calendar.DAY_OF_MONTH)));
final String currentDay = String.valueOf(((CalendarDayItem) calendarItem).getPositionOfFirstDay()
+ position - calendarItem.getStartRange());
final Date currentDate = new Date((((CalendarDayItem) calendarItem).getDateOfFirstDay() + position - calendarItem.getStartRange()) * ONE_DAY_LENGTH);
if (startSelectionPosition != null && position == startSelectionPosition) {
bindDayItem((TDayViewHolder) holder, currentDay, currentDate, CalendarState.SELECTED_FIRST);
return;
}
if (endSelectionPosition != null && position == endSelectionPosition) {
bindDayItem((TDayViewHolder) holder, currentDay, currentDate, CalendarState.SELECTED_LAST);
return;
}
if (startSelectionPosition != null && endSelectionPosition != null && position >= startSelectionPosition && position <= endSelectionPosition) {
bindDayItem((TDayViewHolder) holder, currentDay, currentDate, CalendarState.SELECTED_MIDDLE);
return;
}
bindDayItem((TDayViewHolder) holder, currentDay, currentDate, CalendarState.NOT_SELECTED);
}
}
@ -154,12 +218,52 @@ public class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
return null;
}
@Nullable
public Integer findPositionByDate(final long date) {
if (calendarItems != null) {
int low = 0;
int high = calendarItems.size() - 1;
int addition = 0;
float count = 0;
while (true) {
final int mid = (low + high) / 2 + addition;
if (calendarItems.get(mid) instanceof CalendarDayItem) {
if (date < ((CalendarDayItem) calendarItems.get(mid)).getDateOfFirstDay()) {
if (mid == 0) {
break;
}
high = mid - 1;
} else {
final long endDate = ((CalendarDayItem) calendarItems.get(mid)).getDateOfFirstDay() +
calendarItems.get(mid).getEndRange() - calendarItems.get(mid).getStartRange();
if (date > endDate) {
if (mid == calendarItems.size()) {
break;
}
low = mid + 1;
} else {
return (int) (calendarItems.get(mid).getStartRange()
+ date - ((CalendarDayItem) calendarItems.get(mid)).getDateOfFirstDay());
}
}
count = 0;
addition = 0;
} else {
count++;
addition = ((int) Math.ceil(count / 2)) * ((int) (StrictMath.pow(-1, count)));
}
}
}
return null;
}
@Override
public int getItemCount() {
return calendarItems.isEmpty() ? 0 : calendarItems.get(calendarItems.size() - 1).getEndRange();
}
private void fillRanges() {
private void fillRanges(@NonNull final Calendar startDate, @NonNull final Calendar endDate) {
calendarItems = new ArrayList<>();
final Calendar calendar = Calendar.getInstance(Locale.getDefault());
@ -186,10 +290,13 @@ public class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
calendar.setTime(new Date(calendar.getTimeInMillis() + ONE_DAY_LENGTH));
final int firstDayInWeek = getFirstDateStart(calendar);
calendarItems.add(new CalendarDayItem(firstRangeDate, shift + daysEnded, shift + daysEnded + (daysInCurrentMonth - firstRange) - 1));
calendarItems.add(new CalendarDayItem(firstRangeDate, firstRange + 1,
shift + daysEnded, shift + daysEnded + (daysInCurrentMonth - firstRange) - 1));
daysEnded += daysInCurrentMonth - firstRange;
if (daysEnded == totalDaysCount) {
return;
}
firstRangeDate = calendar.getTimeInMillis() / ONE_DAY_LENGTH + 1;
firstRange = 0;
if (firstDayInWeek != 0) {
@ -206,7 +313,7 @@ public class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
}
} else {
calendarItems.add(new CalendarDayItem(firstRangeDate, shift + daysEnded, shift + totalDaysCount));
calendarItems.add(new CalendarDayItem(firstRangeDate, firstRange + 1, shift + daysEnded, shift + totalDaysCount));
break;
}
}
@ -229,65 +336,32 @@ public class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
return calendar;
}
public static class DayViewHolder extends RecyclerView.ViewHolder {
private final TextView dayText;
public DayViewHolder(final View itemView) {
super(itemView);
dayText = (TextView) itemView;
}
public void bindItem(@NonNull final String day) {
dayText.setText(day);
}
}
public static class EmptyViewHolder extends RecyclerView.ViewHolder {
private final TextView dayText;
public EmptyViewHolder(final View itemView) {
super(itemView);
dayText = (TextView) itemView;
}
public void bindItem() {
dayText.setText(null);
}
}
public static class HeaderViewHolder extends RecyclerView.ViewHolder {
private final TextView dayText;
public HeaderViewHolder(final View itemView) {
super(itemView);
dayText = (TextView) itemView;
}
public void bindItem(final int monthName) {
dayText.setText(String.valueOf(monthName));
}
protected boolean isToday(@NonNull final Date currentDate, @NonNull final Date date) {
return currentDate.getTime() / ONE_DAY_LENGTH == date.getTime() / ONE_DAY_LENGTH;
}
public static class CalendarDayItem implements CalendarItem {
private final long firstDayReal;
private final int firstDayInMonth;
private final int startRange;
private final int endRange;
public CalendarDayItem(final long firstDayReal, final int startRange, final int endRange) {
public CalendarDayItem(final long firstDayReal, final int firstDayInMonth, final int startRange, final int endRange) {
this.firstDayReal = firstDayReal;
this.firstDayInMonth = firstDayInMonth;
this.startRange = startRange;
this.endRange = endRange;
}
public long getFirstDayReal() {
public long getDateOfFirstDay() {
return firstDayReal;
}
public int getPositionOfFirstDay() {
return firstDayInMonth;
}
@Override
public int getStartRange() {
return startRange;
@ -356,4 +430,11 @@ public class CalendarAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
int getEndRange();
}
public enum CalendarState {
SELECTED_FIRST,
SELECTED_MIDDLE,
SELECTED_LAST,
NOT_SELECTED
}
}