update calendar
This commit is contained in:
Ilia Kurtov
parent
d1d9055ba7
commit
adcf29eeea
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@ -28,6 +28,7 @@ dependencies {
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compile 'io.reactivex:rxandroid:1.2.1'
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provided 'com.android.support:appcompat-v7:24.2.1'
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provided 'com.android.support:recyclerview-v7:24.2.1'
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provided 'com.squareup.retrofit2:retrofit:2.1.0'
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provided 'com.squareup.okhttp3:okhttp:3.4.1'
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@ -0,0 +1,309 @@
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/*
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* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
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*
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* This file is part of RoboSwag library.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package ru.touchin.templates.calendar;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v7.widget.RecyclerView;
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import android.support.v7.widget.StaggeredGridLayoutManager;
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import android.view.ViewGroup;
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import org.joda.time.DateTime;
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import org.joda.time.format.DateTimeFormat;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import ru.touchin.roboswag.core.utils.ShouldNotHappenException;
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/**
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* Created by Ilia Kurtov on 17/03/2016.
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* Adapter for Calendar view. Use with {@link CalendarRecyclerView}.
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*
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* @param <TDayViewHolder> Type of ViewHolders of a day with a date;
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* @param <THeaderViewHolder> Type of ViewHolders of a months header;
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* @param <TEmptyViewHolder> Type of ViewHolders of an empty cell.
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*/
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public abstract class CalendarAdapter<TDayViewHolder extends RecyclerView.ViewHolder, THeaderViewHolder extends RecyclerView.ViewHolder,
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TEmptyViewHolder extends RecyclerView.ViewHolder> extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
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public static final int HEADER_ITEM_TYPE = 0;
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public static final int EMPTY_ITEM_TYPE = 1;
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public static final int DAY_ITEM_TYPE = 2;
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public static final int MONTHS_IN_YEAR = 12;
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public static final long ONE_DAY_LENGTH = TimeUnit.DAYS.toMillis(1);
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@NonNull
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private final List<CalendarItem> calendarItems;
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@Nullable
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private Integer startSelectionPosition;
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@Nullable
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private Integer endSelectionPosition;
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@Nullable
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private String[] monthsNames;
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/**
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* Constructor that takes all necessary data to initialize.
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*
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* @param startDate First date in the calendar range;
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* @param endDate Last date (not inclusive) in the calendar range;
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* @param monthsNames String array of months names where #0 is January and #11 is December.
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*/
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public CalendarAdapter(@NonNull final DateTime startDate, @NonNull final DateTime endDate, @Nullable final String... monthsNames) {
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super();
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if (monthsNames != null && monthsNames.length == MONTHS_IN_YEAR) {
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this.monthsNames = monthsNames;
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}
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calendarItems = CalendarUtils.fillRanges(startDate, endDate);
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if (calendarItems.isEmpty()) {
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throw new ShouldNotHappenException("There is no items in calendar with startDate: " + DateTimeFormat.fullDate().print(startDate)
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+ ", and endDate: " + DateTimeFormat.fullDate().print(endDate));
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}
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}
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/**
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* Set selected dates range in calendar. Call this method before attaching this adapter to {@link CalendarRecyclerView}.
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*
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* @param startSelectionDate First date that should be selected;
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* @param endSelectionDate Last date that should be selected (inclusive).
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*/
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public void setSelectedRange(@Nullable final DateTime startSelectionDate, @Nullable final DateTime endSelectionDate) {
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if (startSelectionDate != null) {
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startSelectionPosition = CalendarUtils.findPositionByDate(calendarItems, startSelectionDate.withTimeAtStartOfDay().getMillis());
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}
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if (endSelectionDate != null) {
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endSelectionPosition = CalendarUtils.findPositionByDate(calendarItems, endSelectionDate.withTimeAtStartOfDay().getMillis());
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}
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notifySelectedDaysChanged();
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}
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/**
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* Method finds the number of the first cell of selected range.
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*
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* @param departure Pass true if {@link CalendarRecyclerView} connected with this adapter should select departure (pass true) date
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* or arrival (pass false).
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* @return position of the cell to scroll to at the calendar view opening.
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*/
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@Nullable
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public Integer getPositionToScroll(final boolean departure) {
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if (departure && startSelectionPosition != null) {
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return CalendarUtils.findPositionOfSelectedMonth(calendarItems, startSelectionPosition);
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}
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if (!departure && endSelectionPosition != null) {
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return CalendarUtils.findPositionOfSelectedMonth(calendarItems, endSelectionPosition);
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}
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if (!departure && startSelectionPosition != null) {
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return CalendarUtils.findPositionOfSelectedMonth(calendarItems, startSelectionPosition);
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}
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return null;
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}
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private void notifySelectedDaysChanged() {
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if (startSelectionPosition == null && endSelectionPosition == null) {
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return;
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}
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if (startSelectionPosition == null) {
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notifyItemRangeChanged(endSelectionPosition, 1);
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return;
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}
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if (endSelectionPosition == null) {
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notifyItemRangeChanged(startSelectionPosition, 1);
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return;
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}
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notifyItemRangeChanged(startSelectionPosition, endSelectionPosition - startSelectionPosition);
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}
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@Override
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public RecyclerView.ViewHolder onCreateViewHolder(final ViewGroup parent, final int viewType) {
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switch (viewType) {
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case HEADER_ITEM_TYPE:
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return createHeaderViewHolder(parent);
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case EMPTY_ITEM_TYPE:
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return createEmptyViewHolder(parent);
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case DAY_ITEM_TYPE:
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return createDayViewHolder(parent);
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default:
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return null;
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}
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}
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/**
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* Method that creates Header ViewHolder with type of THeaderViewHolder.
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*
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* @param parent {@link ViewGroup} for inflating ViewHolder;
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* @return New THeaderViewHolder;
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*/
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protected abstract THeaderViewHolder createHeaderViewHolder(final ViewGroup parent);
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/**
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* Method that creates Empty ViewHolder with type of TEmptyViewHolder.
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*
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* @param parent {@link ViewGroup} for inflating ViewHolder;
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* @return New TEmptyViewHolder;
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*/
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protected abstract TEmptyViewHolder createEmptyViewHolder(final ViewGroup parent);
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/**
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* Method that creates Day ViewHolder with type of TDayViewHolder.
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*
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* @param parent {@link ViewGroup} for inflating ViewHolder;
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* @return New TDayViewHolder;
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*/
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protected abstract TDayViewHolder createDayViewHolder(final ViewGroup parent);
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/**
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* Bind data to a Header ViewHolder.
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*
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* @param viewHolder ViewHolder for binding;
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* @param monthName Name of month;
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* @param firstMonth True if bind called for the first month in calendar.
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*/
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protected abstract void bindHeaderItem(@NonNull final THeaderViewHolder viewHolder, @NonNull final String monthName, final boolean firstMonth);
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/**
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* Bind data to an Empty ViewHolder.
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*
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* @param viewHolder ViewHolder for binding;
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* @param selectionMode Either {@link SelectionMode#SELECTED_MIDDLE} or {@link SelectionMode#NOT_SELECTED} can be here.
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*/
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protected abstract void bindEmptyItem(@NonNull final TEmptyViewHolder viewHolder, @NonNull final SelectionMode selectionMode);
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/**
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* Bind data to a Day ViewHolder.
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*
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* @param viewHolder ViewHolder for binding;
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* @param day Text with number of a day. Eg "1" or "29";
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* @param date Date of current day;
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* @param selectionMode Selection mode for this item;
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* @param dateState Shows calendar date state for this item.
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*/
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protected abstract void bindDayItem(@NonNull final TDayViewHolder viewHolder,
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@NonNull final String day,
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@NonNull final DateTime date,
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@NonNull final SelectionMode selectionMode,
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@NonNull final ComparingToToday dateState);
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@Override
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@SuppressWarnings("unchecked")
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public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int position) {
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final CalendarItem calendarItem = CalendarUtils.findItemByPosition(calendarItems, position);
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if (calendarItem instanceof CalendarHeaderItem) {
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final StaggeredGridLayoutManager.LayoutParams layoutParams =
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new StaggeredGridLayoutManager.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
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layoutParams.setFullSpan(true);
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holder.itemView.setLayoutParams(layoutParams);
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final String monthName = monthsNames != null ? monthsNames[((CalendarHeaderItem) calendarItem).getMonth()]
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: String.valueOf(((CalendarHeaderItem) calendarItem).getMonth());
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bindHeaderItem((THeaderViewHolder) holder, monthName, position == 0);
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} else if (calendarItem instanceof CalendarEmptyItem) {
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if (startSelectionPosition != null && endSelectionPosition != null
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&& position >= startSelectionPosition && position <= endSelectionPosition) {
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bindEmptyItem((TEmptyViewHolder) holder, SelectionMode.SELECTED_MIDDLE);
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} else {
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bindEmptyItem((TEmptyViewHolder) holder, SelectionMode.NOT_SELECTED);
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}
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} else if (calendarItem instanceof CalendarDayItem) {
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bindDay((TDayViewHolder) holder, position, calendarItem);
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}
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}
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//TODO fix suppress
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@SuppressWarnings("PMD.CyclomaticComplexity")
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private void bindDay(final TDayViewHolder holder, final int position, final CalendarItem calendarItem) {
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final String currentDay = String.valueOf(((CalendarDayItem) calendarItem).getPositionOfFirstDay()
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+ position - calendarItem.getStartRange());
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final DateTime currentDate = new DateTime(((CalendarDayItem) calendarItem).getDateOfFirstDay()
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+ (position - calendarItem.getStartRange()) * ONE_DAY_LENGTH);
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final ComparingToToday dateState = ((CalendarDayItem) calendarItem).getComparingToToday();
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if (startSelectionPosition != null && position == startSelectionPosition) {
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if (endSelectionPosition == null || endSelectionPosition.equals(startSelectionPosition)) {
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bindDayItem(holder, currentDay, currentDate, SelectionMode.SELECTED_ONE_ONLY, dateState);
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return;
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}
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bindDayItem(holder, currentDay, currentDate, SelectionMode.SELECTED_FIRST, dateState);
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return;
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}
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if (endSelectionPosition != null && position == endSelectionPosition) {
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bindDayItem(holder, currentDay, currentDate, SelectionMode.SELECTED_LAST, dateState);
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return;
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}
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if (startSelectionPosition != null && endSelectionPosition != null
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&& position >= startSelectionPosition && position <= endSelectionPosition) {
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bindDayItem(holder, currentDay, currentDate, SelectionMode.SELECTED_MIDDLE, dateState);
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return;
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}
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bindDayItem(holder, currentDay, currentDate, SelectionMode.NOT_SELECTED, dateState);
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}
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@Override
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public int getItemViewType(final int position) {
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final CalendarItem calendarItem = CalendarUtils.findItemByPosition(calendarItems, position);
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if (calendarItem instanceof CalendarHeaderItem) {
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return HEADER_ITEM_TYPE;
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} else if (calendarItem instanceof CalendarEmptyItem) {
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return EMPTY_ITEM_TYPE;
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} else if (calendarItem instanceof CalendarDayItem) {
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return DAY_ITEM_TYPE;
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}
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return super.getItemViewType(position);
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}
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@Override
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public int getItemCount() {
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return calendarItems.isEmpty() ? 0 : calendarItems.get(calendarItems.size() - 1).getEndRange();
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}
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/**
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* Selection mode that shows the type of selection of a calendar cell.
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*/
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public enum SelectionMode {
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/**
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* Selection mode for the case when first date in the calendar range selected
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* (not first and last simultaneously; for this purpose see {@link #SELECTED_ONE_ONLY}).
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*/
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SELECTED_FIRST,
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/**
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* Selection mode for the case when date in a middle of the calendar range selected.
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*/
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SELECTED_MIDDLE,
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/**
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* Selection mode for the case when last date in the calendar range selected
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* (not last and first simultaneously; for this purpose see {@link #SELECTED_ONE_ONLY}).
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*/
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SELECTED_LAST,
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/**
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* Selection mode for the case when only one date selected.
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*/
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SELECTED_ONE_ONLY,
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/**
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* Selection mode for the case when nothing selected.
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*/
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NOT_SELECTED
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}
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}
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@ -0,0 +1,87 @@
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/*
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* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
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*
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* This file is part of RoboSwag library.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package ru.touchin.templates.calendar;
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import android.support.annotation.NonNull;
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/**
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* Created by Ilia Kurtov on 17/03/2016.
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* Calendar header item for showing headers for months in calendar.
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*/
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public class CalendarDayItem implements CalendarItem {
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private final long dateOfFirstDay;
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private final int positionOfFirstDate;
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private final int startRange;
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private final int endRange;
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@NonNull
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private final ComparingToToday comparingToToday;
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public CalendarDayItem(final long dateOfFirstDay,
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final int positionOfFirstDate,
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final int startRange,
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final int endRange,
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@NonNull final ComparingToToday comparingToToday) {
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this.dateOfFirstDay = dateOfFirstDay;
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this.positionOfFirstDate = positionOfFirstDate;
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this.startRange = startRange;
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this.endRange = endRange;
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this.comparingToToday = comparingToToday;
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}
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/**
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* Returns date of the first date in millis in this calendar range.
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*
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* @return Date of first date in this item in millis.
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*/
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public long getDateOfFirstDay() {
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return dateOfFirstDay;
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}
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/**
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* Returns position of calendar cell for the first date.
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*
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* @return Position of calendar cell for the first date.
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*/
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public int getPositionOfFirstDay() {
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return positionOfFirstDate;
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}
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@Override
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public int getStartRange() {
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return startRange;
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}
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@Override
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public int getEndRange() {
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return endRange;
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}
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/**
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* Returns comparison of current item to today.
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*
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* @return comparison of current item to today.
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*/
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@NonNull
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public ComparingToToday getComparingToToday() {
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return comparingToToday;
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}
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}
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@ -0,0 +1,46 @@
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/*
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* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
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*
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* This file is part of RoboSwag library.
|
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*
|
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* Licensed under the Apache License, Version 2.0 (the "License");
|
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* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
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* http://www.apache.org/licenses/LICENSE-2.0
|
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*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
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*
|
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*/
|
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package ru.touchin.templates.calendar;
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/**
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* Created by Ilia Kurtov on 17/03/2016.
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* Calendar item for showing empty cells in calendar.
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*/
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public class CalendarEmptyItem implements CalendarItem {
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private final int startRange;
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private final int endRange;
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public CalendarEmptyItem(final int startRange, final int endRange) {
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this.startRange = startRange;
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this.endRange = endRange;
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}
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@Override
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public int getStartRange() {
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return startRange;
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}
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@Override
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public int getEndRange() {
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return endRange;
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}
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}
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@ -0,0 +1,57 @@
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/*
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* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
|
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*
|
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* This file is part of RoboSwag library.
|
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
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* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
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*/
|
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|
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package ru.touchin.templates.calendar;
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/**
|
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* Created by Ilia Kurtov on 17/03/2016.
|
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* Calendar header item for showing headers for months in calendar.
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*/
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public class CalendarHeaderItem implements CalendarItem {
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private final int month;
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private final int startRange;
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private final int endRange;
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|
||||
public CalendarHeaderItem(final int month, final int startRange, final int endRange) {
|
||||
this.month = month;
|
||||
this.startRange = startRange;
|
||||
this.endRange = endRange;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns number of month (where 0 is January and 11 is December).
|
||||
*
|
||||
* @return Number of month (where 0 is January and 11 is December).
|
||||
*/
|
||||
public int getMonth() {
|
||||
return month;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getStartRange() {
|
||||
return startRange;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int getEndRange() {
|
||||
return endRange;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
|
||||
*
|
||||
* This file is part of RoboSwag library.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
*/
|
||||
|
||||
package ru.touchin.templates.calendar;
|
||||
|
||||
/**
|
||||
* Created by Ilia Kurtov on 17/03/2016.
|
||||
* Interface for items for {@link CalendarAdapter}. Instead of storing data about all calendar cells separately,
|
||||
* it sores list of this items. CalendarItem represents range with the same calendar items.
|
||||
*/
|
||||
public interface CalendarItem {
|
||||
|
||||
/**
|
||||
* Returns number of starting cell of this range.
|
||||
*
|
||||
* @return number of starting cell of this range.
|
||||
*/
|
||||
int getStartRange();
|
||||
|
||||
/**
|
||||
* Returns number of ending cell of this range.
|
||||
*
|
||||
* @return number of ending cell of this range.
|
||||
*/
|
||||
int getEndRange();
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
/*
|
||||
* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
|
||||
*
|
||||
* This file is part of RoboSwag library.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
*/
|
||||
|
||||
package ru.touchin.templates.calendar;
|
||||
|
||||
import android.content.Context;
|
||||
import android.support.annotation.NonNull;
|
||||
import android.support.annotation.Nullable;
|
||||
import android.support.v7.widget.RecyclerView;
|
||||
import android.util.AttributeSet;
|
||||
|
||||
import ru.touchin.roboswag.core.log.Lc;
|
||||
|
||||
/**
|
||||
* Created by Ilia Kurtov on 17/03/2016.
|
||||
* Specific {@link RecyclerView} that works with {@link CalendarAdapter}. It optimizes speed of the calendar.
|
||||
*/
|
||||
public class CalendarRecyclerView extends RecyclerView {
|
||||
|
||||
private static final int HEADER_MAX_ELEMENTS_IN_A_ROW = 1;
|
||||
private static final int EMPTY_MAX_ELEMENTS_IN_A_ROW = 6;
|
||||
private static final int DAY_MAX_ELEMENTS_IN_A_ROW = 7;
|
||||
|
||||
public CalendarRecyclerView(@NonNull final Context context) {
|
||||
this(context, null);
|
||||
}
|
||||
|
||||
public CalendarRecyclerView(@NonNull final Context context, @Nullable final AttributeSet attrs) {
|
||||
this(context, attrs, 0);
|
||||
}
|
||||
|
||||
public CalendarRecyclerView(@NonNull final Context context, @Nullable final AttributeSet attrs, final int defStyle) {
|
||||
super(context, attrs, defStyle);
|
||||
getRecycledViewPool().setMaxRecycledViews(CalendarAdapter.HEADER_ITEM_TYPE, HEADER_MAX_ELEMENTS_IN_A_ROW * 3);
|
||||
getRecycledViewPool().setMaxRecycledViews(CalendarAdapter.EMPTY_ITEM_TYPE, EMPTY_MAX_ELEMENTS_IN_A_ROW * 3);
|
||||
getRecycledViewPool().setMaxRecycledViews(CalendarAdapter.DAY_ITEM_TYPE, DAY_MAX_ELEMENTS_IN_A_ROW * 3);
|
||||
setItemViewCacheSize(0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Used to set adapter that extends from {@link CalendarAdapter}.
|
||||
*
|
||||
* @param calendarAdapter Adapter that extends from {@link CalendarAdapter}.
|
||||
*/
|
||||
// This suppress needed for using only specific CalendarAdapter}
|
||||
@SuppressWarnings("PMD.UselessOverridingMethod")
|
||||
public void setAdapter(@NonNull final CalendarAdapter calendarAdapter) {
|
||||
super.setAdapter(calendarAdapter);
|
||||
}
|
||||
|
||||
@Override
|
||||
@Deprecated
|
||||
public void setAdapter(final Adapter adapter) {
|
||||
Lc.assertion("Unsupported adapter class. Use CalendarAdapter instead.");
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,272 @@
|
|||
/*
|
||||
* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
|
||||
*
|
||||
* This file is part of RoboSwag library.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
*/
|
||||
|
||||
package ru.touchin.templates.calendar;
|
||||
|
||||
import android.support.annotation.NonNull;
|
||||
import android.support.annotation.Nullable;
|
||||
|
||||
import org.joda.time.DateTime;
|
||||
import org.joda.time.DateTimeFieldType;
|
||||
import org.joda.time.Days;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.concurrent.TimeUnit;
|
||||
|
||||
import ru.touchin.roboswag.core.log.Lc;
|
||||
|
||||
/**
|
||||
* Created by Ilia Kurtov on 17/03/2016.
|
||||
* Utility class to simplify working with {@link CalendarAdapter}.
|
||||
*/
|
||||
public final class CalendarUtils {
|
||||
|
||||
private static final int DAYS_IN_WEEK = 7;
|
||||
private static final long ONE_DAY = TimeUnit.DAYS.toMillis(1);
|
||||
|
||||
/**
|
||||
* Method finds CalendarItem for specified position. Find process is optimized and use binary search algorithm.
|
||||
*
|
||||
* @param calendarItems List of {@link CalendarItem} where need to find specific element;
|
||||
* @param position Position of adapter;
|
||||
* @return CalendarItem for specified position.
|
||||
*/
|
||||
@Nullable
|
||||
public static CalendarItem findItemByPosition(@NonNull final List<CalendarItem> calendarItems, final long position) {
|
||||
return find(calendarItems, position, false);
|
||||
}
|
||||
|
||||
/**
|
||||
* Method finds position of Header that respond to requested position.
|
||||
*
|
||||
* @param calendarItems List of {@link CalendarItem} where need to find specific element;
|
||||
* @param position Position of adapter;
|
||||
* @return Position of Header that respond to requested position.
|
||||
* Returns null if Header or related CalendarItem was not found for specified position.
|
||||
*/
|
||||
@Nullable
|
||||
public static Integer findPositionOfSelectedMonth(@NonNull final List<CalendarItem> calendarItems, final long position) {
|
||||
final CalendarItem calendarItem = find(calendarItems, position, true);
|
||||
if (calendarItem != null) {
|
||||
return calendarItem.getStartRange();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Method finds position of calendar cell that respond to specified date.
|
||||
*
|
||||
* @param calendarItems List of {@link CalendarItem} where need to find specific element;
|
||||
* @param date Requested date in milliseconds.
|
||||
* @return Position of Calendar cell that that has specific date.
|
||||
* Returns null if CalendarItem was not found for specified position.
|
||||
*/
|
||||
@Nullable
|
||||
public static Integer findPositionByDate(@NonNull final List<CalendarItem> calendarItems, final long date) {
|
||||
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) {
|
||||
Lc.assertion("Selected date smaller then min date in calendar");
|
||||
return null;
|
||||
}
|
||||
high = mid - 1;
|
||||
} else {
|
||||
final long endDate = ((CalendarDayItem) calendarItems.get(mid)).getDateOfFirstDay()
|
||||
+ (calendarItems.get(mid).getEndRange() - calendarItems.get(mid).getStartRange()) * ONE_DAY;
|
||||
if (date > endDate) {
|
||||
if (mid == calendarItems.size()) {
|
||||
Lc.assertion("Selected date bigger then max date in calendar");
|
||||
return null;
|
||||
}
|
||||
low = mid + 1;
|
||||
} else {
|
||||
return (int) (calendarItems.get(mid).getStartRange()
|
||||
+ (date - (((CalendarDayItem) calendarItems.get(mid)).getDateOfFirstDay())) / ONE_DAY);
|
||||
}
|
||||
}
|
||||
count = 0;
|
||||
addition = 0;
|
||||
} else {
|
||||
count++;
|
||||
addition = ((int) Math.ceil(count / 2)) * ((int) (StrictMath.pow(-1, (count - 1))));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create list of {@link CalendarItem} according to start and end Dates.
|
||||
*
|
||||
* @param startDate Start date of the range;
|
||||
* @param endDate End date of the range;
|
||||
* @return List of CalendarItems that could be one of these: {@link CalendarHeaderItem}, {@link CalendarDayItem} or {@link CalendarEmptyItem}.
|
||||
*/
|
||||
@NonNull
|
||||
@SuppressWarnings("checkstyle:MethodLength")
|
||||
public static List<CalendarItem> fillRanges(@NonNull final DateTime startDate, @NonNull final DateTime endDate) {
|
||||
final DateTime cleanStartDate = startDate.withTimeAtStartOfDay();
|
||||
final DateTime cleanEndDate = endDate.plusDays(1).withTimeAtStartOfDay();
|
||||
|
||||
DateTime tempTime = cleanStartDate;
|
||||
|
||||
final List<CalendarItem> calendarItems = fillCalendarTillCurrentDate(cleanStartDate, tempTime);
|
||||
|
||||
tempTime = tempTime.plusDays(Days.ONE.getDays());
|
||||
|
||||
final int totalDaysCount = Days.daysBetween(tempTime, cleanEndDate).getDays();
|
||||
int shift = calendarItems.get(calendarItems.size() - 1).getEndRange();
|
||||
int firstDate = tempTime.getDayOfMonth() - 1;
|
||||
int daysEnded = 1;
|
||||
|
||||
while (true) {
|
||||
final int daysInCurrentMonth = tempTime.dayOfMonth().getMaximumValue();
|
||||
final long firstRangeDate = tempTime.getMillis();
|
||||
|
||||
if ((daysEnded + (daysInCurrentMonth - firstDate)) <= totalDaysCount) {
|
||||
tempTime = tempTime.plusMonths(1).withDayOfMonth(1);
|
||||
|
||||
calendarItems.add(new CalendarDayItem(firstRangeDate, firstDate + 1, shift + daysEnded,
|
||||
shift + daysEnded + (daysInCurrentMonth - firstDate) - 1, ComparingToToday.AFTER_TODAY));
|
||||
daysEnded += daysInCurrentMonth - firstDate;
|
||||
if (daysEnded == totalDaysCount) {
|
||||
break;
|
||||
}
|
||||
firstDate = 0;
|
||||
|
||||
final int firstDayInWeek = tempTime.getDayOfWeek() - 1;
|
||||
|
||||
if (firstDayInWeek != 0) {
|
||||
calendarItems.add(new CalendarEmptyItem(shift + daysEnded, shift + daysEnded + (DAYS_IN_WEEK - firstDayInWeek - 1)));
|
||||
shift += (DAYS_IN_WEEK - firstDayInWeek);
|
||||
}
|
||||
|
||||
calendarItems.add(new CalendarHeaderItem(tempTime.getMonthOfYear() - 1, shift + daysEnded, shift + daysEnded));
|
||||
shift += 1;
|
||||
|
||||
if (firstDayInWeek != 0) {
|
||||
calendarItems.add(new CalendarEmptyItem(shift + daysEnded, shift + daysEnded + firstDayInWeek - 1));
|
||||
shift += firstDayInWeek;
|
||||
}
|
||||
|
||||
} else {
|
||||
calendarItems.add(new CalendarDayItem(firstRangeDate, firstDate + 1, shift + daysEnded, shift + totalDaysCount,
|
||||
ComparingToToday.AFTER_TODAY));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return calendarItems;
|
||||
}
|
||||
|
||||
@Nullable
|
||||
@SuppressWarnings({"PMD.CyclomaticComplexity", "PMD.ModifiedCyclomaticComplexity", "PMD.StdCyclomaticComplexity"})
|
||||
private static CalendarItem find(@NonNull final List<CalendarItem> calendarItems, final long position, final boolean getHeaderPosition) {
|
||||
int low = 0;
|
||||
int high = calendarItems.size() - 1;
|
||||
while (true) {
|
||||
final int mid = (low + high) / 2;
|
||||
if (position < calendarItems.get(mid).getStartRange()) {
|
||||
if (mid == 0 || position > calendarItems.get(mid - 1).getEndRange()) {
|
||||
Lc.assertion("CalendarAdapter cannot find item with that position");
|
||||
return null;
|
||||
}
|
||||
high = mid - 1;
|
||||
} else if (position > calendarItems.get(mid).getEndRange()) {
|
||||
if (mid == calendarItems.size() || position < calendarItems.get(mid + 1).getStartRange()) {
|
||||
Lc.assertion("CalendarAdapter cannot find item with that position");
|
||||
return null;
|
||||
}
|
||||
low = mid + 1;
|
||||
} else {
|
||||
if (getHeaderPosition) {
|
||||
int calendarShift = mid;
|
||||
while (true) {
|
||||
calendarShift--;
|
||||
if (calendarShift == -1) {
|
||||
return null;
|
||||
}
|
||||
if (calendarItems.get(calendarShift) instanceof CalendarHeaderItem) {
|
||||
return calendarItems.get(calendarShift);
|
||||
}
|
||||
}
|
||||
}
|
||||
return calendarItems.get(mid);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@NonNull
|
||||
private static List<CalendarItem> fillCalendarTillCurrentDate(@NonNull final DateTime cleanStartDate, @NonNull final DateTime startDate) {
|
||||
DateTime temp = startDate;
|
||||
final List<CalendarItem> calendarItems = new ArrayList<>();
|
||||
int shift = 0;
|
||||
final int firstDate = temp.getDayOfMonth() - 1; //?? - 1 ?
|
||||
|
||||
// add first month header
|
||||
calendarItems.add(new CalendarHeaderItem(temp.get(DateTimeFieldType.monthOfYear()) - 1, shift, shift)); // is Month starts from 1 or 0 ?
|
||||
temp = temp.withDayOfMonth(1);
|
||||
shift += 1;
|
||||
|
||||
final int firstDayInTheWeek = temp.getDayOfWeek() - 1;
|
||||
|
||||
// check if first day is Monday. If not - add empty items. Otherwise do nothing
|
||||
if (firstDayInTheWeek != 0) {
|
||||
calendarItems.add(new CalendarEmptyItem(shift, shift + firstDayInTheWeek - 1));
|
||||
}
|
||||
shift += firstDayInTheWeek;
|
||||
|
||||
// add range with days before today
|
||||
calendarItems.add(new CalendarDayItem(temp.getMillis(), 1, shift, shift + firstDate - 1, ComparingToToday.BEFORE_TODAY));
|
||||
shift += firstDate;
|
||||
|
||||
// add today item
|
||||
temp = cleanStartDate;
|
||||
calendarItems.add(new CalendarDayItem(temp.getMillis(), firstDate + 1, shift, shift, ComparingToToday.TODAY));
|
||||
|
||||
//add empty items and header if current day the last day in the month
|
||||
if (temp.getDayOfMonth() == temp.dayOfMonth().getMaximumValue()) {
|
||||
addItemsIfCurrentDayTheLastDayInTheMonth(startDate, calendarItems);
|
||||
}
|
||||
|
||||
return calendarItems;
|
||||
}
|
||||
|
||||
private static void addItemsIfCurrentDayTheLastDayInTheMonth(@NonNull final DateTime dateTime,
|
||||
@NonNull final List<CalendarItem> calendarItems) {
|
||||
|
||||
int shift = calendarItems.get(calendarItems.size() - 1).getEndRange();
|
||||
final DateTime nextMonthFirstDay = dateTime.plusDays(1);
|
||||
final int firstFayInNextMonth = nextMonthFirstDay.getDayOfWeek() - 1;
|
||||
calendarItems.add(new CalendarEmptyItem(shift, shift + (7 - firstFayInNextMonth) - 1));
|
||||
shift += 7 - firstFayInNextMonth;
|
||||
calendarItems.add(new CalendarHeaderItem(nextMonthFirstDay.getMonthOfYear() + 1, shift, shift));
|
||||
shift += 1;
|
||||
calendarItems.add(new CalendarEmptyItem(shift, shift + firstFayInNextMonth - 1));
|
||||
}
|
||||
|
||||
private CalendarUtils() {
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
/*
|
||||
* Copyright (c) 2016 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
|
||||
*
|
||||
* This file is part of RoboSwag library.
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*
|
||||
*/
|
||||
|
||||
package ru.touchin.templates.calendar;
|
||||
|
||||
/**
|
||||
* Created by Ilia Kurtov on 18/03/2016.
|
||||
* Show the comparison between a date and today.
|
||||
*/
|
||||
public enum ComparingToToday {
|
||||
|
||||
BEFORE_TODAY,
|
||||
TODAY,
|
||||
AFTER_TODAY
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue