mirror of
https://github.com/material-components/material-components-android.git
synced 2026-01-21 04:22:42 +08:00
102 lines
3.5 KiB
Java
102 lines
3.5 KiB
Java
/*
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* Copyright 2019 The Android Open Source Project
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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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package com.google.android.material.picker;
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import com.google.android.material.R;
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import android.content.Context;
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import android.os.Build.VERSION;
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import android.os.Build.VERSION_CODES;
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import androidx.annotation.Nullable;
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import androidx.annotation.RestrictTo;
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import androidx.annotation.RestrictTo.Scope;
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import androidx.appcompat.widget.LinearLayoutCompat;
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import android.util.AttributeSet;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.AdapterView.OnItemClickListener;
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import android.widget.GridView;
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import android.widget.LinearLayout;
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import java.util.Calendar;
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/**
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* View for a days of week {@link Calendar} represented as a header row of days labels and {@link
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* GridView} of days backed by {@link MonthInYearAdapter}.
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*
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* @hide
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*/
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@RestrictTo(Scope.LIBRARY_GROUP)
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public abstract class MaterialCalendarView<S> extends LinearLayoutCompat {
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private final MonthInYearAdapter monthInYearAdapter;
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public MaterialCalendarView(Context context) {
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this(context, null);
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}
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public MaterialCalendarView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public MaterialCalendarView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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setOrientation(LinearLayout.VERTICAL);
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LayoutInflater layoutInflater = LayoutInflater.from(context);
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layoutInflater.inflate(R.layout.mtrl_date_picker_calendar_days_header, this);
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layoutInflater.inflate(R.layout.mtrl_date_picker_calendar_days, this);
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GridView daysHeader = findViewById(R.id.date_picker_calendar_days_header);
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GridView daysGrid = findViewById(R.id.date_picker_calendar_days);
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Calendar calendar = Calendar.getInstance();
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MonthInYear monthInYear =
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MonthInYear.create(calendar.get(Calendar.YEAR), calendar.get(Calendar.MONTH));
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monthInYearAdapter = new MonthInYearAdapter(context, monthInYear);
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daysHeader.setAdapter(new DaysHeaderAdapter());
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daysHeader.setNumColumns(monthInYear.daysInWeek);
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daysGrid.setAdapter(monthInYearAdapter);
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daysGrid.setNumColumns(monthInYear.daysInWeek);
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daysGrid.setOnItemClickListener(
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new OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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getOnItemClickListener().onItemClick(parent, view, position, id);
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drawSelection(parent);
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// Allows users of MaterialCalendarView to set an OnClickListener
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if (VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) {
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callOnClick();
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} else {
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performClick();
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}
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}
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});
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}
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protected final MonthInYearAdapter getMonthInYearAdapter() {
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return monthInYearAdapter;
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}
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@Nullable
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protected abstract S getSelection();
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protected abstract void drawSelection(AdapterView<?> parent);
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protected abstract OnItemClickListener getOnItemClickListener();
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}
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