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Merge pull request boostcampwm-2022#173 from junhyeongleeee/develop
Calendar 컴포즈 구현
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271
app/src/main/java/com/boostcamp/dailyfilm/presentation/calendar/compose/CalendarView.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,271 @@ | ||
| package com.boostcamp.dailyfilm.presentation.calendar.compose | ||
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||
| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.shape.RoundedCornerShape | ||
| import androidx.compose.material.MaterialTheme | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.LaunchedEffect | ||
| import androidx.compose.runtime.getValue | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.draw.alpha | ||
| import androidx.compose.ui.draw.clip | ||
| import androidx.compose.ui.draw.drawWithCache | ||
| import androidx.compose.ui.geometry.Offset | ||
| import androidx.compose.ui.graphics.Color | ||
| import androidx.compose.ui.layout.ContentScale | ||
| import androidx.compose.ui.layout.Layout | ||
| import androidx.compose.ui.platform.LocalDensity | ||
| import androidx.compose.ui.text.style.TextAlign | ||
| import androidx.compose.ui.unit.Constraints | ||
| import androidx.compose.ui.unit.TextUnit | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.compose.ui.unit.sp | ||
| import androidx.lifecycle.Lifecycle | ||
| import androidx.lifecycle.compose.collectAsStateWithLifecycle | ||
| import com.boostcamp.dailyfilm.data.model.DailyFilmItem | ||
| import com.boostcamp.dailyfilm.presentation.calendar.DateViewModel | ||
| import com.boostcamp.dailyfilm.presentation.calendar.model.DateModel | ||
| import com.boostcamp.dailyfilm.presentation.util.compose.noRippleClickable | ||
| import com.boostcamp.dailyfilm.presentation.util.compose.rememberLifecycleEvent | ||
| import com.boostcamp.dailyfilm.presentation.util.createCalendar | ||
| import com.boostcamp.dailyfilm.presentation.util.month | ||
| import com.bumptech.glide.integration.compose.ExperimentalGlideComposeApi | ||
| import com.bumptech.glide.integration.compose.GlideImage | ||
| import java.util.Calendar | ||
|
|
||
| @Composable | ||
| fun CalendarView( | ||
| viewModel: DateViewModel, | ||
| resetFilm: (List<DateModel>) -> Unit, | ||
| imgClick: (Int, DateModel) -> Unit, | ||
| ) { | ||
| val lifecycleEvent = rememberLifecycleEvent() | ||
| val itemList by viewModel.itemFlow.collectAsStateWithLifecycle(initialValue = null) | ||
| val reloadList by viewModel.dateFlow.collectAsStateWithLifecycle(minActiveState = Lifecycle.State.RESUMED) | ||
| val dateState by viewModel.dateState.collectAsStateWithLifecycle() | ||
|
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||
| CalendarView( | ||
| lifecycleEvent = lifecycleEvent, | ||
| itemList = itemList, | ||
| reloadList = reloadList, | ||
| dateState = dateState, | ||
| currentCalendar = viewModel.calendar, | ||
| todayCalendar = viewModel.todayCalendar, | ||
| reloadCalendar = { | ||
| viewModel.reloadCalendar(it) | ||
| }, | ||
| resetFilm = resetFilm, | ||
| imgClick = imgClick | ||
| ) | ||
| } | ||
|
|
||
| @Composable | ||
| fun CalendarView( | ||
| lifecycleEvent: Lifecycle.Event, | ||
| itemList: List<DailyFilmItem?>?, | ||
| reloadList: List<DateModel>, | ||
| dateState: DateState, | ||
| currentCalendar: Calendar, | ||
| todayCalendar: Calendar, | ||
| reloadCalendar: (List<DailyFilmItem?>) -> Unit, | ||
| resetFilm: (List<DateModel>) -> Unit, | ||
| imgClick: (Int, DateModel) -> Unit, | ||
| ) { | ||
|
|
||
| val textSize = 12.sp | ||
| val textHeight = with(LocalDensity.current) { | ||
| textSize.toPx() + 10 | ||
| }.toInt() | ||
|
|
||
| LaunchedEffect(lifecycleEvent) { | ||
| when (lifecycleEvent) { | ||
| Lifecycle.Event.ON_PAUSE -> { | ||
| dateState.selectedDay = null | ||
| } | ||
|
|
||
| Lifecycle.Event.ON_RESUME -> { | ||
| // onResume 에서 가 아닌 repeatOnLifecycle 의 RESUMED 상태로 받아도 됐었음. | ||
| // LaunchedEffect(key1 = reloadList) 가 안됨 | ||
| resetFilm( | ||
| reloadList.filter { dateModel -> dateModel.videoUrl != null } | ||
| ) | ||
| } | ||
|
|
||
| else -> {} | ||
| } | ||
| } | ||
| LaunchedEffect(key1 = reloadList) { | ||
| resetFilm( | ||
| reloadList.filter { dateModel -> dateModel.videoUrl != null } | ||
| ) | ||
| } | ||
|
|
||
| LaunchedEffect(key1 = itemList) { | ||
| reloadCalendar(itemList ?: return@LaunchedEffect) | ||
| } | ||
|
|
||
| CustomCalendarView( | ||
| textHeight = textHeight, | ||
| textSize = textSize, | ||
| reloadList = reloadList, | ||
| currentCalendar = currentCalendar, | ||
| todayCalendar = todayCalendar, | ||
| dateState = dateState, | ||
| imgClick = imgClick | ||
| ) | ||
| } | ||
|
|
||
| @OptIn(ExperimentalGlideComposeApi::class) | ||
| @Composable | ||
| private fun DateImage(background: Color, alpha: Float, url: String?, onClick: () -> Unit) { | ||
|
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||
| GlideImage( | ||
| modifier = Modifier | ||
| .fillMaxSize() | ||
| .background(background) | ||
| .alpha(alpha) | ||
| .padding(2.dp) | ||
| .clip(RoundedCornerShape(5.dp)) | ||
| .noRippleClickable(onClick = onClick), | ||
| contentScale = ContentScale.Crop, | ||
| model = url, | ||
| contentDescription = "" | ||
| ) | ||
| } | ||
|
|
||
| @Composable | ||
| private fun CustomCalendarView( | ||
| textHeight: Int, | ||
| textSize: TextUnit, | ||
| reloadList: List<DateModel>, | ||
| currentCalendar: Calendar, | ||
| todayCalendar: Calendar, | ||
| dateState: DateState, | ||
| imgClick: (Int, DateModel) -> Unit, | ||
| ) { | ||
|
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| CustomCalendarView( | ||
| textHeight = textHeight | ||
| ) { | ||
| reloadList.forEachIndexed { index, dateModel -> | ||
|
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||
| val isNotCurrentMonth = isNotCurrentMonth( | ||
| dateModel, | ||
| currentCalendar.month(), | ||
| todayCalendar | ||
| ) | ||
| dateState.isCurrentMonth = isNotCurrentMonth | ||
|
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||
| Text( | ||
| modifier = Modifier | ||
| .alpha(dateState.alpha) | ||
| .background(dateState.isSelected(index)), | ||
| text = dateModel.day, | ||
| textAlign = TextAlign.Center, | ||
| color = MaterialTheme.colors.primary, | ||
| fontSize = textSize | ||
| ) | ||
| DateImage( | ||
| background = dateState.isSelected(index), | ||
| alpha = dateState.alpha, | ||
| url = dateModel.videoUrl | ||
| ) { | ||
| if (!isNotCurrentMonth) { | ||
| dateState.apply { | ||
| if (dateModel.videoUrl != null) { | ||
| selectedDay = null | ||
| imgClick(index, dateModel) | ||
| } else { | ||
| selectedDay = index | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| @Composable | ||
| private fun CustomCalendarView(textHeight: Int, content: @Composable () -> Unit) { | ||
|
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| val lineColor = MaterialTheme.colors.primary | ||
|
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| Layout( | ||
| modifier = Modifier | ||
| .fillMaxSize() | ||
| .drawWithCache { | ||
| onDrawWithContent { | ||
| drawContent() | ||
| repeat(5) { idx -> | ||
| val y = (idx + 1) * size.height / 6 | ||
| drawLine( | ||
| color = lineColor, | ||
| start = Offset(0f, y), | ||
| end = Offset(size.width, y), | ||
| strokeWidth = 2f | ||
| ) | ||
| } | ||
| } | ||
| }, | ||
| content = content, | ||
| ) { measureables, constraints -> | ||
|
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| val dayWidth = constraints.maxWidth / 7 | ||
| val dayHeight = constraints.maxHeight / 6 | ||
|
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| val placeables = measureables.mapIndexed { idx, measurable -> | ||
| measurable.measure( | ||
| when (idx % 2) { | ||
| 0 -> constraints.fixConstraints(width = dayWidth, height = textHeight) | ||
| 1 -> constraints.fixConstraints( | ||
| width = dayWidth, | ||
| height = dayHeight - textHeight | ||
| ) | ||
|
|
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| else -> constraints | ||
| } | ||
| ) | ||
| } | ||
|
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| layout(constraints.maxWidth, constraints.maxHeight) { | ||
|
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| placeables.forEachIndexed { index, placeable -> | ||
| val idx = index / 2 | ||
|
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| val verticalIdx = idx / 7 | ||
| val horizontalIdx = idx % 7 | ||
|
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| val left = horizontalIdx * dayWidth | ||
| val top = verticalIdx * dayHeight | ||
|
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| when (index % 2) { | ||
| 0 -> placeable.placeRelative(x = left, y = top) | ||
| 1 -> placeable.placeRelative(x = left, y = top + textHeight) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| private fun isNotCurrentMonth( | ||
| dateModel: DateModel, | ||
| currentMonth: Int, | ||
| todayCalendar: Calendar | ||
| ): Boolean { | ||
| val itemCalendar = with(dateModel) { | ||
| createCalendar(year.toInt(), month.toInt() - 1, day.toInt()) | ||
| } | ||
| return dateModel.month.toInt() != currentMonth || | ||
| itemCalendar.timeInMillis > todayCalendar.timeInMillis | ||
| } | ||
|
|
||
| private fun Constraints.fixConstraints(width: Int = maxWidth, height: Int = maxHeight) = copy( | ||
| minWidth = width, | ||
| maxWidth = width, | ||
| minHeight = height, | ||
| maxHeight = height | ||
| ) |
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