AppDrawer.kt

/*
 * Copyright 2020 The Android Open Source Project
 *
 * 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
 *
 *     https://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 com.example.jetnews.ui

import android.content.res.Configuration.UI_MODE_NIGHT_YES
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.width
import androidx.compose.material3.DrawerState
import androidx.compose.material3.DrawerValue
import androidx.compose.material3.Icon
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.ModalDrawerSheet
import androidx.compose.material3.NavigationDrawerItem
import androidx.compose.material3.NavigationDrawerItemDefaults
import androidx.compose.material3.Text
import androidx.compose.material3.rememberDrawerState
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.res.stringResource
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.navigation3.runtime.NavKey
import com.example.jetnews.R
import com.example.jetnews.ui.navigation.HomeKey
import com.example.jetnews.ui.navigation.InterestsKey
import com.example.jetnews.ui.theme.JetnewsTheme

@Composable
fun AppDrawer(
    drawerState: DrawerState,
    currentKey: NavKey,
    navigateToHome: () -> Unit,
    navigateToInterests: () -> Unit,
    closeDrawer: () -> Unit,
    modifier: Modifier = Modifier,
) {
    ModalDrawerSheet(
        drawerState = drawerState,
        modifier = modifier,
    ) {
        JetNewsLogo(
            modifier = Modifier.padding(horizontal = 28.dp, vertical = 24.dp),
        )
        NavigationDrawerItem(
            label = { Text(stringResource(id = R.string.home_title)) },
            icon = { Icon(painterResource(R.drawable.ic_home), null) },
            selected = currentKey is HomeKey,
            onClick = {
                navigateToHome()
                closeDrawer()
            },
            modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding),
        )
        NavigationDrawerItem(
            label = { Text(stringResource(id = R.string.interests_title)) },
            icon = { Icon(painterResource(R.drawable.ic_list_alt), null) },
            selected = currentKey == InterestsKey,
            onClick = {
                navigateToInterests()
                closeDrawer()
            },
            modifier = Modifier.padding(NavigationDrawerItemDefaults.ItemPadding),
        )
    }
}

@Composable
private fun JetNewsLogo(modifier: Modifier = Modifier) {
    Row(modifier = modifier) {
        Icon(
            painterResource(R.drawable.ic_jetnews_logo),
            contentDescription = null,
            tint = MaterialTheme.colorScheme.primary,
        )
        Spacer(Modifier.width(8.dp))
        Icon(
            painter = painterResource(R.drawable.ic_jetnews_wordmark),
            contentDescription = stringResource(R.string.app_name),
            tint = MaterialTheme.colorScheme.onSurfaceVariant,
        )
    }
}

@Preview("Drawer contents")
@Preview("Drawer contents (dark)", uiMode = UI_MODE_NIGHT_YES)
@Composable
fun PreviewAppDrawer() {
    JetnewsTheme {
        AppDrawer(
            drawerState = rememberDrawerState(initialValue = DrawerValue.Open),
            currentKey = HomeKey(),
            navigateToHome = {},
            navigateToInterests = {},
            closeDrawer = { },
        )
    }
}