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Completion: our own lookup elements for java classes

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This commit is contained in:
Valentin Kipyatkov
2014-12-01 15:16:23 +03:00
parent 77e1210bff
commit 66289f0b4a
1 changed files with 24 additions and 2 deletions
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idea/src/org/jetbrains/jet/plugin/completion/LookupElementFactory.kt
+24 -2
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@@ -31,13 +31,13 @@ import org.jetbrains.jet.renderer.DescriptorRenderer
import com.intellij.psi.PsiClass
import org.jetbrains.jet.asJava.KotlinLightClass
import org.jetbrains.jet.lang.resolve.java.JavaResolverUtils
import com.intellij.codeInsight.completion.JavaPsiClassReferenceElement
import com.intellij.codeInsight.lookup.LookupElementDecorator
import com.intellij.codeInsight.lookup.LookupElementPresentation
import org.jetbrains.jet.lang.types.JetType
import org.jetbrains.jet.plugin.caches.resolve.ResolutionFacade
import java.awt.Color
import org.jetbrains.jet.lang.types.TypeUtils
import com.intellij.codeInsight.lookup.DefaultLookupItemRenderer
public open class LookupElementFactory protected() {
public open fun createLookupElement(resolutionFacade: ResolutionFacade, descriptor: DeclarationDescriptor): LookupElement {
@@ -49,7 +49,29 @@ public open class LookupElementFactory protected() {
}
public fun createLookupElementForJavaClass(psiClass: PsiClass): LookupElement {
return JavaPsiClassReferenceElement(psiClass).setInsertHandler(KotlinClassInsertHandler)
var element = LookupElementBuilder.create(psiClass, psiClass.getName()).withInsertHandler(KotlinClassInsertHandler)
val typeParams = psiClass.getTypeParameters()
if (typeParams.isNotEmpty()) {
element = element.appendTailText(typeParams.map { it.getName() }.joinToString(", ", "<", ">"), true)
}
val qualifiedName = psiClass.getQualifiedName()
val dotIndex = qualifiedName.lastIndexOf('.')
val packageName = if (dotIndex <= 0) "<root>" else qualifiedName.substring(0, dotIndex)
element = element.appendTailText(" ($packageName)", true)
if (psiClass.isDeprecated()) {
element = element.setStrikeout(true)
}
// add icon in renderElement only to pass presentation.isReal()
return object : LookupElementDecorator<LookupElement>(element) {
override fun renderElement(presentation: LookupElementPresentation) {
super.renderElement(presentation)
presentation.setIcon(DefaultLookupItemRenderer.getRawIcon(element, presentation.isReal()))
}
}
}
private fun createLookupElement(