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Simple implementation for kt paste into project view #KT-8352 Fixed

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This commit is contained in:
Alexander Podkhalyuzin
2018-01-11 19:13:58 +03:00
parent b925b6ef9f
commit b8dded2685
2 changed files with 67 additions and 0 deletions
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idea/src/META-INF/plugin.xml
+2
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@@ -574,6 +574,8 @@
<copyPastePreProcessor implementation="org.jetbrains.kotlin.idea.editor.KotlinLiteralCopyPasteProcessor"/>
<copyPastePostProcessor implementation="org.jetbrains.kotlin.idea.refactoring.cutPaste.MoveDeclarationsCopyPasteProcessor"/>
<filePasteProvider implementation="org.jetbrains.kotlin.idea.conversion.copy.KotlinFilePasteProvider" order="first"/>
<breadcrumbsInfoProvider implementation="org.jetbrains.kotlin.idea.codeInsight.KotlinBreadcrumbsInfoProvider"/>
<lang.documentationProvider language="JAVA" implementationClass="org.jetbrains.kotlin.idea.KotlinQuickDocumentationProvider" order="first"/>
idea/src/org/jetbrains/kotlin/idea/conversion/copy/KotlinFilePasteProvider.kt
+65
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@@ -0,0 +1,65 @@
/*
* Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.idea.conversion.copy
import com.intellij.ide.IdeView
import com.intellij.ide.PasteProvider
import com.intellij.openapi.actionSystem.CommonDataKeys
import com.intellij.openapi.actionSystem.DataContext
import com.intellij.openapi.actionSystem.LangDataKeys
import com.intellij.openapi.fileEditor.OpenFileDescriptor
import com.intellij.openapi.ide.CopyPasteManager
import com.intellij.openapi.project.Project
import com.intellij.psi.JavaDirectoryService
import com.intellij.psi.PsiDocumentManager
import com.intellij.psi.util.PsiTreeUtil
import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.psi.KtFile
import org.jetbrains.kotlin.psi.KtPsiFactory
import java.awt.datatransfer.DataFlavor
class KotlinFilePasteProvider : PasteProvider {
override fun isPastePossible(dataContext: DataContext): Boolean = true
override fun performPaste(dataContext: DataContext) {
val text = CopyPasteManager.getInstance().getContents<String>(DataFlavor.stringFlavor) ?: return
val project = project(dataContext)
val ideView = ideView(dataContext)
if (project == null || ideView == null || ideView.directories.isEmpty()) return
val ktFile = KtPsiFactory(project).createFile(text)
val fileName = (ktFile.declarations.firstOrNull()?.name ?: return) + ".kt"
val directory = ideView.getOrChooseDirectory() ?: return
project.executeWriteCommand("Create Kotlin file") {
val file = directory.createFile(fileName)
val documentManager = PsiDocumentManager.getInstance(project)
val document = documentManager.getDocument(file)
if (document != null) {
document.setText(text)
documentManager.commitDocument(document)
val qualName = JavaDirectoryService.getInstance()?.getPackage(directory)?.qualifiedName
if (qualName != null && file is KtFile) {
file.packageFqName = FqName(qualName)
}
OpenFileDescriptor(project, file.virtualFile).navigate(true)
}
}
}
override fun isPasteEnabled(dataContext: DataContext): Boolean {
val project = project(dataContext)
val ideView = ideView(dataContext)
if (project == null || ideView == null || ideView.directories.isEmpty()) return false
val text = CopyPasteManager.getInstance().getContents<String>(DataFlavor.stringFlavor) ?: return false
if (text.contains(";\n")) return false //Optimisation for Java. Kotlin doesn't need that...
val file = KtPsiFactory(project).createFile(text)
return !PsiTreeUtil.hasErrorElements(file)
}
private fun project(dataContext: DataContext): Project? = CommonDataKeys.PROJECT.getData(dataContext)
private fun ideView(dataContext: DataContext): IdeView? = LangDataKeys.IDE_VIEW.getData(dataContext)
}