From 8577c8d0538d24d8b88a157421dcc73e718203c8 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Wed, 18 May 2016 19:53:29 +0200
Subject: [PATCH] javafx entry point for unused declaration (IDEA-156062 )

---
 .../src/META-INF/common-javaFX-plugin.xml     |  1 +
 .../plugins/javaFX/JavaFxEntryPoint.java      | 88 +++++++++++++++++++
 2 files changed, 89 insertions(+)
 create mode 100644 plugins/javaFX/src/org/jetbrains/plugins/javaFX/JavaFxEntryPoint.java

diff --git a/plugins/javaFX/src/META-INF/common-javaFX-plugin.xml b/plugins/javaFX/src/META-INF/common-javaFX-plugin.xml
index edc0b3a82eba..f67860f14a8d 100644
--- a/plugins/javaFX/src/META-INF/common-javaFX-plugin.xml
+++ b/plugins/javaFX/src/META-INF/common-javaFX-plugin.xml
@@ -60,6 +60,7 @@
     <manifest.parser.provider implementation="org.jetbrains.plugins.javaFX.manifest.JavaFxManifestHeaderParsers"/>
     <projectTemplate projectType="Java FX" templatePath="resources/projectTemplates/Java/JavaFX Application.zip" category="true"/>
     <javaMainMethodProvider implementation="org.jetbrains.plugins.javaFX.JavaFxMainMethodRunConfigurationProvider"/>
+    <deadCode implementation="org.jetbrains.plugins.javaFX.JavaFxEntryPoint"/>
   </extensions>
 
   <actions>
diff --git a/plugins/javaFX/src/org/jetbrains/plugins/javaFX/JavaFxEntryPoint.java b/plugins/javaFX/src/org/jetbrains/plugins/javaFX/JavaFxEntryPoint.java
new file mode 100644
index 000000000000..018e3db2c9bd
--- /dev/null
+++ b/plugins/javaFX/src/org/jetbrains/plugins/javaFX/JavaFxEntryPoint.java
@@ -0,0 +1,88 @@
+/*
+ * Copyright 2000-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.plugins.javaFX;
+
+import com.intellij.codeInspection.reference.EntryPoint;
+import com.intellij.codeInspection.reference.RefElement;
+import com.intellij.execution.junit.JUnitUtil;
+import com.intellij.openapi.util.DefaultJDOMExternalizer;
+import com.intellij.openapi.util.InvalidDataException;
+import com.intellij.openapi.util.WriteExternalException;
+import com.intellij.psi.*;
+import com.intellij.psi.search.searches.ClassInheritorsSearch;
+import com.intellij.psi.util.InheritanceUtil;
+import com.intellij.psi.util.PsiClassUtil;
+import com.intellij.psi.util.PsiTreeUtil;
+import com.intellij.util.ArrayUtil;
+import com.intellij.util.CommonProcessors;
+import org.jdom.Element;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.plugins.javaFX.fxml.JavaFxCommonNames;
+
+public class JavaFxEntryPoint extends EntryPoint {
+  public boolean ADD_JAVAFX_TO_ENTRIES = true;
+
+  @NotNull
+  public String getDisplayName() {
+    return "JavaFX Applications";
+  }
+
+  public boolean isEntryPoint(@NotNull RefElement refElement, @NotNull PsiElement psiElement) {
+    return isEntryPoint(psiElement);
+  }
+
+  @Override
+  public boolean isEntryPoint(@NotNull PsiElement psiElement) {
+    if (ADD_JAVAFX_TO_ENTRIES) {
+      if (psiElement instanceof PsiMethod) {
+        final PsiMethod method = (PsiMethod)psiElement;
+        if (method.getParameterList().getParameters().length == 1 &&
+            PsiType.VOID.equals(method.getReturnType()) &&
+            "start".equals(method.getName())) {
+          return InheritanceUtil.isInheritor(method.getContainingClass(), true, JavaFxCommonNames.JAVAFX_APPLICATION_APPLICATION);
+        }
+      }
+      else if (psiElement instanceof PsiClass) {
+        return InheritanceUtil.isInheritor((PsiClass)psiElement, true, JavaFxCommonNames.JAVAFX_APPLICATION_APPLICATION);
+      }
+    }
+    return false;
+  }
+
+  public boolean isSelected() {
+    return ADD_JAVAFX_TO_ENTRIES;
+  }
+
+  public void setSelected(boolean selected) {
+    ADD_JAVAFX_TO_ENTRIES = selected;
+  }
+
+  public void readExternal(Element element) throws InvalidDataException {
+    DefaultJDOMExternalizer.readExternal(this, element);
+  }
+
+  public void writeExternal(Element element) throws WriteExternalException {
+    if (!ADD_JAVAFX_TO_ENTRIES) {
+      DefaultJDOMExternalizer.writeExternal(this, element);
+    }
+  }
+
+  @Override
+  public String[] getIgnoreAnnotations() {
+    return ArrayUtil.EMPTY_STRING_ARRAY;
+  }
+}
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