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Communication: Allow users to view and download sent attachments (#239
) Co-authored-by: Martin Felber <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| <manifest xmlns:android="http://schemas.android.com/apk/res/android"> | ||
| <application> | ||
| <provider | ||
| android:name="androidx.core.content.FileProvider" | ||
| android:authorities="${applicationId}.fileprovider" | ||
| android:exported="false" | ||
| android:grantUriPermissions="true"> | ||
| <meta-data | ||
| android:name="android.support.FILE_PROVIDER_PATHS" | ||
| android:resource="@xml/file_paths" /> | ||
| </provider> | ||
| </application> | ||
| </manifest> |
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.../main/kotlin/de/tum/informatics/www1/artemis/native_app/core/ui/compose/ArtemisPdfView.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,251 @@ | ||
| package de.tum.informatics.www1.artemis.native_app.core.ui.compose | ||
|
|
||
| import android.widget.Toast | ||
| import androidx.compose.foundation.background | ||
| import androidx.compose.foundation.layout.Box | ||
| import androidx.compose.foundation.layout.Column | ||
| import androidx.compose.foundation.layout.Spacer | ||
| import androidx.compose.foundation.layout.fillMaxSize | ||
| import androidx.compose.foundation.layout.fillMaxWidth | ||
| import androidx.compose.foundation.layout.height | ||
| import androidx.compose.foundation.layout.padding | ||
| import androidx.compose.material.icons.Icons | ||
| import androidx.compose.material.icons.filled.Download | ||
| import androidx.compose.material.icons.filled.MoreHoriz | ||
| import androidx.compose.material.icons.filled.Share | ||
| import androidx.compose.material3.CircularProgressIndicator | ||
| import androidx.compose.material3.DropdownMenu | ||
| import androidx.compose.material3.DropdownMenuItem | ||
| import androidx.compose.material3.FloatingActionButton | ||
| import androidx.compose.material3.Icon | ||
| import androidx.compose.material3.MaterialTheme | ||
| import androidx.compose.material3.Text | ||
| import androidx.compose.runtime.Composable | ||
| import androidx.compose.runtime.mutableStateOf | ||
| import androidx.compose.runtime.remember | ||
| import androidx.compose.ui.Alignment | ||
| import androidx.compose.ui.Modifier | ||
| import androidx.compose.ui.platform.LocalContext | ||
| import androidx.compose.ui.res.painterResource | ||
| import androidx.compose.ui.res.stringResource | ||
| import androidx.compose.ui.unit.dp | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.R | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.PdfFile | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.render.HorizontalPdfView | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.render.VerticalPdfView | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.render.state.HorizontalPdfReaderState | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.render.state.PdfReaderState | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.render.state.VerticalPdfReaderState | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.render.state.rememberHorizontalPdfReaderState | ||
| import de.tum.informatics.www1.artemis.native_app.core.ui.pdf.render.state.rememberVerticalPdfReaderState | ||
| import java.net.UnknownHostException | ||
|
|
||
| @Composable | ||
| fun ArtemisPdfView( | ||
| modifier: Modifier, | ||
| pdfFile: PdfFile, | ||
| dismiss: () -> Unit | ||
| ) { | ||
| val isVertical = remember { mutableStateOf(true) } | ||
| val context = LocalContext.current | ||
|
|
||
| val verticalPdfState = rememberVerticalPdfReaderState( | ||
| pdfFile = pdfFile, | ||
| isZoomEnabled = true, | ||
| ) | ||
| val horizontalPdfState = rememberHorizontalPdfReaderState( | ||
| pdfFile = pdfFile, | ||
| isZoomEnabled = true, | ||
| ) | ||
|
|
||
| var pdfState = if (isVertical.value) verticalPdfState else horizontalPdfState | ||
|
|
||
| val showMenu = remember { mutableStateOf(false) } | ||
|
|
||
| if (pdfState.mError != null) { | ||
| val errorMessage = when (pdfState.mError) { | ||
| is UnknownHostException -> { | ||
| R.string.pdf_view_error_no_internet | ||
| } | ||
| else -> { | ||
| R.string.pdf_view_error_loading | ||
| } | ||
| } | ||
|
|
||
| Toast.makeText( | ||
| LocalContext.current, | ||
| stringResource(id = errorMessage), | ||
| Toast.LENGTH_LONG | ||
| ).show() | ||
|
|
||
| dismiss() | ||
| } | ||
|
|
||
| Box( | ||
| modifier = modifier.padding(8.dp), | ||
| ) { | ||
| Column { | ||
| pdfState.file?.let { | ||
| Text( | ||
| text = pdfFile.filename ?: it.name, | ||
| modifier = Modifier.padding(8.dp), | ||
| style = MaterialTheme.typography.titleMedium | ||
| ) | ||
| } | ||
| if (isVertical.value) { | ||
| VerticalPdfView( | ||
| state = pdfState as VerticalPdfReaderState, | ||
| modifier = Modifier | ||
| .background(color = MaterialTheme.colorScheme.surface) | ||
| .fillMaxSize() | ||
| ) | ||
| } else { | ||
| HorizontalPdfView( | ||
| state = pdfState as HorizontalPdfReaderState, | ||
| modifier = Modifier | ||
| .fillMaxSize() | ||
| .background( | ||
| color = MaterialTheme.colorScheme.surface, | ||
| shape = MaterialTheme.shapes.medium | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| Column( | ||
| modifier = Modifier | ||
| .align(Alignment.BottomEnd) | ||
| .padding(16.dp) | ||
| ) { | ||
| if (showMenu.value) { | ||
| Spacer(modifier = Modifier.height(16.dp)) | ||
| } | ||
|
|
||
| FloatingActionButton( | ||
| onClick = { showMenu.value = !showMenu.value }, | ||
| modifier = Modifier | ||
| ) { | ||
| Icon(imageVector = Icons.Default.MoreHoriz, contentDescription = null) | ||
| } | ||
|
|
||
| PdfActionDropDownMenu( | ||
| modifier = Modifier, | ||
| isExpanded = showMenu.value, | ||
| onDismissRequest = { showMenu.value = false }, | ||
| downloadPdf = { | ||
| showMenu.value = false | ||
| pdfState.file?.let { pdfFile.downloadPdf(context) } | ||
| }, | ||
| sharePdf = { | ||
| showMenu.value = false | ||
| pdfState.file?.let { pdfFile.sharePdf(context, it) } | ||
| }, | ||
| toggleViewMode = { | ||
| showMenu.value = false | ||
| pdfState = if (isVertical.value) horizontalPdfState else verticalPdfState | ||
| isVertical.value = !isVertical.value | ||
| } | ||
| ) | ||
| } | ||
|
|
||
| if (!pdfState.isLoaded) { | ||
| Box( | ||
| modifier = Modifier | ||
| .fillMaxSize(), | ||
| contentAlignment = Alignment.Center | ||
| ) { | ||
| CircularProgressIndicator( | ||
| progress = { pdfState.loadPercent / 100f }, | ||
| modifier = Modifier.height(48.dp), | ||
| color = MaterialTheme.colorScheme.primary | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| Box( | ||
| modifier = Modifier | ||
| .fillMaxWidth() | ||
| .align(Alignment.TopStart) | ||
| .padding(top = 54.dp, end = 4.dp) | ||
| .padding(16.dp), | ||
| contentAlignment = Alignment.TopEnd | ||
| ) { | ||
| PageCountText( | ||
| modifier = Modifier, | ||
| pdfState = pdfState | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun PageCountText( | ||
| modifier: Modifier, | ||
| pdfState: PdfReaderState | ||
| ) { | ||
| Box( | ||
| modifier = modifier | ||
| .background( | ||
| color = MaterialTheme.colorScheme.surface.copy(alpha = 0.5f), | ||
| shape = MaterialTheme.shapes.medium | ||
| ) | ||
| .padding(8.dp) | ||
| ) { | ||
| Text( | ||
| text = stringResource( | ||
| R.string.pdf_view_page_count, | ||
| pdfState.currentPage, | ||
| pdfState.pdfPageCount | ||
| ), | ||
| style = MaterialTheme.typography.bodyMedium | ||
| ) | ||
| } | ||
| } | ||
|
|
||
| @Composable | ||
| private fun PdfActionDropDownMenu( | ||
| modifier: Modifier, | ||
| isExpanded: Boolean, | ||
| onDismissRequest: () -> Unit, | ||
| downloadPdf: () -> Unit, | ||
| sharePdf: () -> Unit, | ||
| toggleViewMode: () -> Unit, | ||
| ) { | ||
| DropdownMenu( | ||
| modifier = Modifier, | ||
| expanded = isExpanded, | ||
| onDismissRequest = onDismissRequest | ||
| ) { | ||
| DropdownMenuItem( | ||
| leadingIcon = { | ||
| Icon( | ||
| imageVector = Icons.Default.Download, | ||
| contentDescription = null | ||
| ) | ||
| }, | ||
| text = { Text(stringResource(R.string.pdf_view_download_menu_item)) }, | ||
| onClick = downloadPdf | ||
| ) | ||
| DropdownMenuItem( | ||
| leadingIcon = { | ||
| Icon( | ||
| imageVector = Icons.Default.Share, | ||
| contentDescription = null | ||
| ) | ||
| }, | ||
| text = { Text(stringResource(R.string.pdf_view_share_menu_item)) }, | ||
| onClick = sharePdf | ||
| ) | ||
| DropdownMenuItem( | ||
| leadingIcon = { | ||
| Icon( | ||
| modifier = Modifier.height(19.dp), | ||
| painter = painterResource(id = R.drawable.rotate), | ||
| contentDescription = null | ||
| ) | ||
| }, | ||
| text = { Text(stringResource(R.string.pdf_view_rotate_menu_item)) }, | ||
| onClick = toggleViewMode | ||
| ) | ||
| } | ||
| } |
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