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Merge pull request #304 from SwEnt-Group13/feature/maximise_picture_o…
…nclick Feature: maximise event picture when clicking on it
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111 changes: 111 additions & 0 deletions
111
app/src/main/java/com/android/unio/ui/event/overlay/PictureOverlay.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| package com.android.unio.ui.event.overlay | ||
|
|
||
| import androidx.compose.foundation.layout.Box | ||
| import androidx.compose.foundation.layout.fillMaxHeight | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.foundation.layout.size | ||
| import androidx.compose.foundation.pager.HorizontalPager | ||
| import androidx.compose.foundation.pager.PagerState | ||
| import androidx.compose.material.icons.Icons | ||
| import androidx.compose.material.icons.automirrored.filled.ArrowBack | ||
| import androidx.compose.material.icons.automirrored.filled.ArrowForward | ||
| import androidx.compose.material3.Icon | ||
| import androidx.compose.material3.IconButton | ||
| import androidx.compose.material3.IconButtonDefaults | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.rememberCoroutineScope | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.graphics.FilterQuality | ||
| import androidx.compose.ui.layout.ContentScale | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.platform.testTag | ||
| import androidx.compose.ui.unit.dp | ||
| import androidx.compose.ui.window.Dialog | ||
| import androidx.compose.ui.window.DialogProperties | ||
| import androidx.core.net.toUri | ||
| import com.android.unio.R | ||
| import com.android.unio.model.event.EventUserPicture | ||
| import com.android.unio.model.strings.test_tags.event.EventDetailsTestTags | ||
| import com.android.unio.model.strings.test_tags.event.EventDetailsTestTags.PICTURE_FULL_SCREEN | ||
| import com.android.unio.ui.image.AsyncImageWrapper | ||
| import kotlinx.coroutines.launch | ||
|
|
||
| /** | ||
| * A dialog that allows users to view event pictures in full screen. | ||
| * | ||
| * @param onDismiss Callback when the dialog is dismissed. | ||
| * @param pagerState the [PagerState] of the pager. | ||
| * @param eventPictures The list of [EventUserPicture] to display. | ||
| */ | ||
| @Composable | ||
| fun PictureOverlay( | ||
| onDismiss: () -> Unit, | ||
| pagerState: PagerState, | ||
| eventPictures: List<EventUserPicture> | ||
| ) { | ||
| val scope = rememberCoroutineScope() | ||
| val context = LocalContext.current | ||
| val iconSize = 40.dp | ||
| val onClickArrow: (Boolean) -> Unit = { isRight: Boolean -> | ||
| if (isRight && pagerState.currentPage < eventPictures.size - 1) { | ||
| scope.launch { pagerState.animateScrollToPage(pagerState.currentPage + 1) } | ||
| } else if (!isRight && pagerState.currentPage > 0) { | ||
| scope.launch { pagerState.animateScrollToPage(pagerState.currentPage - 1) } | ||
| } | ||
| } | ||
| Dialog( | ||
| onDismissRequest = onDismiss, | ||
| properties = | ||
| DialogProperties( | ||
| dismissOnClickOutside = true, | ||
| dismissOnBackPress = true, | ||
| usePlatformDefaultWidth = false)) { | ||
| Box( | ||
| modifier = Modifier.testTag(PICTURE_FULL_SCREEN).fillMaxHeight(0.5f), | ||
| contentAlignment = Alignment.Center) { | ||
| HorizontalPager(pagerState, pageSpacing = 40.dp, beyondViewportPageCount = 1) { page | ||
| -> | ||
| AsyncImageWrapper( | ||
| imageUri = eventPictures[page].image.toUri(), | ||
| contentDescription = | ||
| context.getString( | ||
| R.string.event_details_content_description_full_screen_picture), | ||
| filterQuality = FilterQuality.High, | ||
| placeholderResourceId = 0, | ||
| contentScale = ContentScale.Fit, | ||
| modifier = Modifier.padding(horizontal = 55.dp)) | ||
| } | ||
| IconButton( | ||
| onClick = { onClickArrow(false) }, | ||
| modifier = | ||
| Modifier.align(Alignment.CenterStart) | ||
| .testTag(EventDetailsTestTags.EVENT_PICTURES_ARROW_LEFT), | ||
| colors = | ||
| IconButtonDefaults.iconButtonColors( | ||
| contentColor = MaterialTheme.colorScheme.onPrimary, | ||
| containerColor = MaterialTheme.colorScheme.primary)) { | ||
| Icon( | ||
| Icons.AutoMirrored.Filled.ArrowBack, | ||
| context.getString(R.string.event_details_content_description_arrow_left), | ||
| modifier = Modifier.size(iconSize)) | ||
| } | ||
|
|
||
| IconButton( | ||
| onClick = { onClickArrow(true) }, | ||
| modifier = | ||
| Modifier.align(Alignment.CenterEnd) | ||
| .testTag(EventDetailsTestTags.EVENT_PICTURES_ARROW_RIGHT), | ||
| colors = | ||
| IconButtonDefaults.iconButtonColors( | ||
| contentColor = MaterialTheme.colorScheme.onPrimary, | ||
| containerColor = MaterialTheme.colorScheme.primary)) { | ||
| Icon( | ||
| Icons.AutoMirrored.Filled.ArrowForward, | ||
| context.getString(R.string.event_details_content_description_arrow_right), | ||
| modifier = Modifier.size(iconSize)) | ||
| } | ||
| } | ||
| } | ||
| } |
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