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Compact middle packages in project tree
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148 changes: 148 additions & 0 deletions
148
...ea-plugin/src/main/kotlin/app/cash/sqldelight/intellij/SqlDelightTreeStructureProvider.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,148 @@ | ||
| package app.cash.sqldelight.intellij | ||
|
|
||
| import app.cash.sqldelight.core.SqlDelightFileIndex | ||
| import com.intellij.icons.AllIcons | ||
| import com.intellij.ide.DeleteProvider | ||
| import com.intellij.ide.projectView.PresentationData | ||
| import com.intellij.ide.projectView.TreeStructureProvider | ||
| import com.intellij.ide.projectView.ViewSettings | ||
| import com.intellij.ide.projectView.impl.ProjectRootsUtil | ||
| import com.intellij.ide.projectView.impl.ProjectTreeStructure | ||
| import com.intellij.ide.projectView.impl.nodes.ProjectViewDirectoryHelper | ||
| import com.intellij.ide.projectView.impl.nodes.PsiDirectoryNode | ||
| import com.intellij.ide.util.DeleteHandler | ||
| import com.intellij.ide.util.treeView.AbstractTreeNode | ||
| import com.intellij.openapi.actionSystem.CommonDataKeys | ||
| import com.intellij.openapi.actionSystem.DataContext | ||
| import com.intellij.openapi.actionSystem.PlatformDataKeys | ||
| import com.intellij.openapi.module.ModuleUtil | ||
| import com.intellij.openapi.project.Project | ||
| import com.intellij.openapi.vfs.VfsUtilCore | ||
| import com.intellij.openapi.vfs.VirtualFile | ||
| import com.intellij.openapi.vfs.VirtualFileFilter | ||
| import com.intellij.psi.PsiDirectory | ||
| import com.intellij.psi.PsiElement | ||
| import com.intellij.psi.PsiManager | ||
| import org.jetbrains.kotlin.konan.file.File | ||
|
|
||
| internal class SqlDelightTreeStructureProvider( | ||
| private val project: Project, | ||
| ) : TreeStructureProvider { | ||
| override fun modify( | ||
| parent: AbstractTreeNode<*>, | ||
| children: MutableCollection<AbstractTreeNode<*>>, | ||
| settings: ViewSettings?, | ||
| ): MutableCollection<AbstractTreeNode<*>> { | ||
| if (settings !is ProjectTreeStructure || !settings.isHideEmptyMiddlePackages) { | ||
| return children | ||
| } | ||
| if (parent !is PsiDirectoryNode || ProjectRootsUtil.isSourceRoot(parent.value)) { | ||
| return children | ||
| } | ||
|
|
||
| val module = ModuleUtil.findModuleForPsiElement(parent.value) ?: return children | ||
| val fileIndex = SqlDelightFileIndex.getInstance(module) | ||
| if (!fileIndex.isConfigured) { | ||
| return children | ||
| } | ||
| val packagePrefix = fileIndex.packageName.substringBefore(".") | ||
| if (packagePrefix.isEmpty()) { | ||
| return children | ||
| } | ||
| val srcPaths = fileIndex.sourceFolders(true) | ||
| .flatMap { sourceFolders -> sourceFolders.map { it.folder.toPath() } } | ||
|
|
||
| val path = try { | ||
| parent.value.virtualFile.toNioPath().toAbsolutePath() | ||
| } catch (exception: UnsupportedOperationException) { | ||
| return children | ||
| } | ||
| if (srcPaths.none { path.startsWith(it) }) { | ||
| return children | ||
| } | ||
| val srcDirName = parent.value.name | ||
|
|
||
| val result = mutableListOf<AbstractTreeNode<*>>() | ||
| val psiManager = PsiManager.getInstance(project) | ||
| for (child in children) { | ||
| if (child is PsiDirectoryNode && child.value.name == packagePrefix) { | ||
| val leafDir = findLeafDirectory(child) | ||
| val psiFile = psiManager.findDirectory(leafDir) ?: return children | ||
| result.add(SqlDelightPackageNode(srcDirName, project, psiFile, settings)) | ||
| } else { | ||
| result.add(child) | ||
| } | ||
| } | ||
| return result | ||
| } | ||
|
|
||
| private fun findLeafDirectory(node: PsiDirectoryNode): VirtualFile { | ||
| var virtualFile = node.value.virtualFile | ||
| VfsUtilCore.iterateChildrenRecursively(virtualFile, VirtualFileFilter.ALL) { file -> | ||
| virtualFile = file | ||
| val filteredChildren = file.children.filter { !it.name.startsWith(".") } | ||
| if (filteredChildren.size == 1) { | ||
| filteredChildren.first().isDirectory | ||
| } else { | ||
| false | ||
| } | ||
| } | ||
| return virtualFile | ||
| } | ||
|
|
||
| override fun getData(selected: MutableCollection<AbstractTreeNode<*>>, dataId: String): Any? { | ||
| if (PlatformDataKeys.DELETE_ELEMENT_PROVIDER.`is`(dataId)) { | ||
| if (selected.any { it is SqlDelightPackageNode }) { | ||
| return SqlDelightDeleteProvider(selected) | ||
| } | ||
| } | ||
| return null | ||
| } | ||
|
|
||
| private class SqlDelightDeleteProvider( | ||
| selected: Collection<AbstractTreeNode<*>>, | ||
| ) : DeleteProvider { | ||
|
|
||
| private val elements = collectPsiElements(selected) | ||
| override fun deleteElement(dataContext: DataContext) { | ||
| val project = CommonDataKeys.PROJECT.getData(dataContext) | ||
| DeleteHandler.deletePsiElement(elements, project) | ||
| } | ||
|
|
||
| override fun canDeleteElement(dataContext: DataContext): Boolean { | ||
| return DeleteHandler.shouldEnableDeleteAction(elements) | ||
| } | ||
|
|
||
| private fun collectPsiElements(selected: Collection<AbstractTreeNode<*>>): Array<PsiElement> { | ||
| val result = mutableSetOf<PsiElement>() | ||
| for (node in selected) { | ||
| if (node is SqlDelightPackageNode) { | ||
| result.addAll(node.children.map { it.value as PsiElement }) | ||
| generateSequence(node.value) { it.parent } | ||
| .takeWhile { it.name != node.srcDirName } | ||
| .forEach { result.add(it) } | ||
| } else if (node.value is PsiElement) { | ||
| result.add(node.value as PsiElement) | ||
| } | ||
| } | ||
| return result.toTypedArray() | ||
| } | ||
| } | ||
|
|
||
| private class SqlDelightPackageNode( | ||
| val srcDirName: String, | ||
| project: Project, | ||
| value: PsiDirectory, | ||
| viewSettings: ViewSettings?, | ||
| ) : PsiDirectoryNode(project, value, viewSettings) { | ||
|
|
||
| override fun updateImpl(data: PresentationData) { | ||
| data.presentableText = value.virtualFile.path.substringAfterLast(srcDirName) | ||
| .replace(File.separator, ".") | ||
| .removePrefix(".") | ||
| data.locationString = | ||
| ProjectViewDirectoryHelper.getInstance(project).getLocationString(value, false, false) | ||
| data.setIcon(AllIcons.Nodes.Package) | ||
| } | ||
| } | ||
| } |
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