rewrote GenerateAction in Kotlin

src/org/ollide/java2smali/GenerateAction.kt

@@ -0,0 +1,48 @@
+package org.ollide.java2smali
+
+import com.intellij.openapi.actionSystem.AnAction
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.actionSystem.LangDataKeys
+import com.intellij.openapi.compiler.CompilerManager
+import com.intellij.openapi.roots.ProjectRootManager
+import com.intellij.openapi.vfs.VirtualFile
+import com.intellij.psi.PsiClassOwner
+import com.intellij.psi.PsiManager
+
+class GenerateAction : AnAction() {
+
+    override fun actionPerformed(e: AnActionEvent) {
+        val vFile = getVirtualFileFromContext(e) ?: return
+
+        val project = e.project!!
+        val module = ProjectRootManager.getInstance(project).fileIndex.getModuleForFile(vFile) ?: return
+        val file = PsiManager.getInstance(project).findFile(vFile) as PsiClassOwner
+
+        // Compile the vFile's module
+        val compilerCallback = CompilerCallback(module, file)
+        CompilerManager.getInstance(project).compile(module, compilerCallback)
+    }
+
+    override fun update(e: AnActionEvent) {
+        var enabled = false
+
+        val vFile = getVirtualFileFromContext(e)
+        if (vFile != null) {
+            val extension = vFile.fileType.defaultExtension
+            val m = ProjectRootManager.getInstance(e.project!!).fileIndex.getModuleForFile(vFile)
+            enabled = (JAVA == extension || KOTLIN == extension) && m != null
+        }
+        e.presentation.isEnabled = enabled
+    }
+
+    private fun getVirtualFileFromContext(e: AnActionEvent): VirtualFile? {
+        val psiFile = e.getData(LangDataKeys.PSI_FILE) ?: return null
+        return psiFile.virtualFile
+    }
+
+    companion object {
+        private val JAVA = "java"
+        private val KOTLIN = "kt"
+    }
+
+}