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Introduce ImageVectorPreview actions
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16 changes: 16 additions & 0 deletions
16
idea-plugin/src/main/kotlin/io/github/composegears/valkyrie/editor/VirtualFile.kt
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package io.github.composegears.valkyrie.editor | ||
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import com.intellij.openapi.project.Project | ||
import com.intellij.openapi.vfs.VirtualFile | ||
import com.intellij.psi.PsiFileFactory | ||
import io.github.composegears.valkyrie.extensions.safeAs | ||
import org.jetbrains.kotlin.idea.KotlinFileType | ||
import org.jetbrains.kotlin.psi.KtFile | ||
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internal fun VirtualFile.toKtFile(project: Project): KtFile? { | ||
val fileContent = contentsToByteArray().toString(Charsets.UTF_8) | ||
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return PsiFileFactory.getInstance(project) | ||
.createFileFromText(name, KotlinFileType.INSTANCE, fileContent) | ||
.safeAs<KtFile>() | ||
} |
146 changes: 146 additions & 0 deletions
146
...ugin/src/main/kotlin/io/github/composegears/valkyrie/editor/ui/ImageVectorPreviewPanel.kt
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@file:Suppress("NAME_SHADOWING") | ||
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package io.github.composegears.valkyrie.editor.ui | ||
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import androidx.compose.foundation.layout.BoxWithConstraints | ||
import androidx.compose.foundation.layout.fillMaxSize | ||
import androidx.compose.runtime.Composable | ||
import androidx.compose.runtime.LaunchedEffect | ||
import androidx.compose.runtime.getValue | ||
import androidx.compose.runtime.produceState | ||
import androidx.compose.runtime.rememberCoroutineScope | ||
import androidx.compose.runtime.setValue | ||
import androidx.compose.ui.Alignment | ||
import androidx.compose.ui.Modifier | ||
import androidx.compose.ui.graphics.vector.ImageVector | ||
import androidx.compose.ui.platform.LocalDensity | ||
import androidx.compose.ui.unit.Dp | ||
import androidx.compose.ui.unit.dp | ||
import androidx.compose.ui.unit.min | ||
import androidx.compose.ui.unit.times | ||
import com.intellij.openapi.application.readAction | ||
import com.intellij.openapi.vfs.VirtualFile | ||
import io.github.composegears.valkyrie.editor.toKtFile | ||
import io.github.composegears.valkyrie.editor.ui.error.PreviewParsingError | ||
import io.github.composegears.valkyrie.editor.ui.previewer.ImageVectorPreview | ||
import io.github.composegears.valkyrie.editor.ui.previewer.rememberZoomState | ||
import io.github.composegears.valkyrie.ir.IrImageVector | ||
import io.github.composegears.valkyrie.parser.ktfile.util.toComposeImageVector | ||
import io.github.composegears.valkyrie.psi.imagevector.ImageVectorPsiParser | ||
import io.github.composegears.valkyrie.ui.foundation.rememberMutableState | ||
import io.github.composegears.valkyrie.ui.foundation.theme.LocalProject | ||
import kotlin.math.min | ||
import kotlinx.coroutines.launch | ||
import org.jetbrains.kotlin.psi.KtFile | ||
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sealed interface PanelState { | ||
data object Initial : PanelState | ||
data object Error : PanelState | ||
data class Success(val imageVector: ImageVector) : PanelState | ||
} | ||
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@Composable | ||
fun ImageVectorPreviewPanel( | ||
file: VirtualFile, | ||
modifier: Modifier = Modifier, | ||
) { | ||
val density = LocalDensity.current | ||
val project = LocalProject.current | ||
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val scope = rememberCoroutineScope() | ||
val zoomState = rememberZoomState() | ||
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var panelState by rememberMutableState<PanelState> { PanelState.Initial } | ||
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var initialViewportWidth by rememberMutableState { Dp.Unspecified } | ||
var initialViewportHeight by rememberMutableState { Dp.Unspecified } | ||
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val ktFile by produceState<KtFile?>(null) { | ||
value = readAction { | ||
file.toKtFile(project) | ||
} | ||
} | ||
var irImageVector by rememberMutableState<IrImageVector?> { null } | ||
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LaunchedEffect(ktFile) { | ||
val ktFile = ktFile ?: return@LaunchedEffect | ||
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readAction { | ||
irImageVector = ImageVectorPsiParser.parseToIrImageVector(ktFile)?.also { | ||
initialViewportWidth = it.defaultWidth.dp | ||
initialViewportHeight = it.defaultHeight.dp | ||
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val maxPreviewSize = zoomState.maxPreviewSize | ||
val initialScale = maxPreviewSize / (3 * min(initialViewportWidth, initialViewportHeight)) | ||
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launch { | ||
zoomState.setScale(initialScale) | ||
} | ||
} | ||
} | ||
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if (irImageVector == null) { | ||
panelState = PanelState.Error | ||
} | ||
} | ||
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LaunchedEffect(irImageVector, zoomState.scale) { | ||
val irImageVector = irImageVector ?: return@LaunchedEffect | ||
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panelState = PanelState.Success( | ||
imageVector = irImageVector.toComposeImageVector( | ||
width = (initialViewportWidth.value * zoomState.scale).dp, | ||
height = (initialViewportHeight.value * zoomState.scale).dp, | ||
), | ||
) | ||
} | ||
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BoxWithConstraints( | ||
modifier = modifier.fillMaxSize(), | ||
contentAlignment = Alignment.Center, | ||
) { | ||
zoomState.maxPreviewSize = min(maxWidth, maxHeight) | ||
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when (val state = panelState) { | ||
is PanelState.Error -> PreviewParsingError() | ||
is PanelState.Success -> ImageVectorPreview( | ||
imageVector = state.imageVector, | ||
defaultWidth = initialViewportWidth.value, | ||
defaultHeight = initialViewportHeight.value, | ||
zoomIn = { | ||
if (zoomState.maxPreviewSize >= min( | ||
state.imageVector.defaultWidth, | ||
state.imageVector.defaultHeight, | ||
) | ||
) { | ||
scope.launch { | ||
zoomState.zoomIn() | ||
} | ||
} | ||
}, | ||
zoomOut = { | ||
scope.launch { | ||
zoomState.zoomOut() | ||
} | ||
}, | ||
reset = { | ||
scope.launch { | ||
zoomState.reset() | ||
} | ||
}, | ||
fitToWindow = { | ||
scope.launch { | ||
with(density) { | ||
val scaleFactor = min( | ||
zoomState.maxPreviewSize.toPx() / initialViewportWidth.toPx(), | ||
zoomState.maxPreviewSize.toPx() / initialViewportHeight.toPx(), | ||
) | ||
zoomState.animateToScale(scaleFactor) | ||
} | ||
} | ||
}, | ||
) | ||
else -> {} | ||
} | ||
} | ||
} |
85 changes: 85 additions & 0 deletions
85
...in/src/main/kotlin/io/github/composegears/valkyrie/editor/ui/error/PreviewParsingError.kt
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package io.github.composegears.valkyrie.editor.ui.error | ||
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import androidx.compose.desktop.ui.tooling.preview.Preview | ||
import androidx.compose.foundation.Image | ||
import androidx.compose.foundation.layout.Arrangement | ||
import androidx.compose.foundation.layout.Column | ||
import androidx.compose.foundation.layout.Row | ||
import androidx.compose.foundation.layout.fillMaxSize | ||
import androidx.compose.foundation.layout.fillMaxWidth | ||
import androidx.compose.foundation.layout.padding | ||
import androidx.compose.material3.MaterialTheme | ||
import androidx.compose.runtime.Composable | ||
import androidx.compose.ui.Alignment | ||
import androidx.compose.ui.Modifier | ||
import androidx.compose.ui.text.AnnotatedString | ||
import androidx.compose.ui.text.ExperimentalTextApi | ||
import androidx.compose.ui.text.SpanStyle | ||
import androidx.compose.ui.text.UrlAnnotation | ||
import androidx.compose.ui.text.buildAnnotatedString | ||
import androidx.compose.ui.text.style.TextDecoration | ||
import androidx.compose.ui.text.withAnnotation | ||
import androidx.compose.ui.unit.dp | ||
import io.github.composegears.valkyrie.ui.foundation.ClickableText | ||
import io.github.composegears.valkyrie.ui.foundation.WeightSpacer | ||
import io.github.composegears.valkyrie.ui.foundation.icons.Error | ||
import io.github.composegears.valkyrie.ui.foundation.icons.ValkyrieIcons | ||
import io.github.composegears.valkyrie.ui.foundation.platform.rememberBrowserUtil | ||
import io.github.composegears.valkyrie.ui.foundation.theme.PreviewTheme | ||
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@Composable | ||
internal fun PreviewParsingError() { | ||
Column( | ||
modifier = Modifier | ||
.fillMaxSize() | ||
.padding(32.dp), | ||
horizontalAlignment = Alignment.CenterHorizontally, | ||
) { | ||
WeightSpacer(weight = 0.3f) | ||
Row( | ||
modifier = Modifier.fillMaxWidth(), | ||
horizontalArrangement = Arrangement.spacedBy(8.dp, Alignment.CenterHorizontally), | ||
) { | ||
Image( | ||
imageVector = ValkyrieIcons.Error, | ||
contentDescription = null, | ||
) | ||
ErrorMessage() | ||
} | ||
WeightSpacer(weight = 0.7f) | ||
} | ||
} | ||
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@OptIn(ExperimentalTextApi::class) | ||
@Composable | ||
private fun ErrorMessage() { | ||
val browserUtil = rememberBrowserUtil() | ||
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val underlineColor = MaterialTheme.colorScheme.primary | ||
val annotatedString = buildAnnotatedString { | ||
append("Failed to preview ImageVector, please ") | ||
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withAnnotation(UrlAnnotation("https://github.com/ComposeGears/Valkyrie/issues")) { | ||
append( | ||
AnnotatedString( | ||
"submit issue", | ||
spanStyle = SpanStyle( | ||
color = underlineColor, | ||
textDecoration = TextDecoration.Underline, | ||
), | ||
), | ||
) | ||
} | ||
append(" with reproducer.") | ||
} | ||
ClickableText( | ||
annotatedString = annotatedString, | ||
onClick = browserUtil::open, | ||
) | ||
} | ||
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@Preview | ||
@Composable | ||
private fun PreviewParsingErrorPreview() = PreviewTheme { | ||
PreviewParsingError() | ||
} |
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