From 0f05c7a385ac845d7a1e19f24766370a2e71efce Mon Sep 17 00:00:00 2001
From: "Denis.Zhdanov" <denzhdanov@gmail.com>
Date: Wed, 19 Sep 2012 23:18:40 +0400
Subject: [PATCH] IDEA-19061 Integrate the Rearranger-plugin into core-IDE

Utility methods grouping
---
 .../JavaArrangementMethodDependencyInfo.java  | 25 ++++++++++++-----
 .../arrangement/JavaArrangementParseInfo.java | 28 +++++++++++++++----
 .../codeStyle/arrangement/JavaRearranger.java | 16 ++++++++++-
 3 files changed, 56 insertions(+), 13 deletions(-)

diff --git a/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementMethodDependencyInfo.java b/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementMethodDependencyInfo.java
index 19cce3bf6532..aa59f590c5b9 100644
--- a/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementMethodDependencyInfo.java
+++ b/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementMethodDependencyInfo.java
@@ -15,20 +15,31 @@
  */
 package com.intellij.psi.codeStyle.arrangement;
 
-import com.intellij.psi.PsiMethod;
 import org.jetbrains.annotations.NotNull;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * @author Denis Zhdanov
  * @since 9/19/12 6:41 PM
  */
 public class JavaArrangementMethodDependencyInfo {
 
-  // TODO den add doc
-  public void registerDependency(@NotNull PsiMethod baseMethod,
-                                 @NotNull JavaElementArrangementEntry baseMethodEntry,
-                                 @NotNull PsiMethod dependentMethod)
-  {
-    
+  @NotNull private final List<JavaElementArrangementEntry> getDependentMethods = new ArrayList<JavaElementArrangementEntry>();
+  @NotNull private final JavaElementArrangementEntry myAnchorMethod;
+
+  public JavaArrangementMethodDependencyInfo(@NotNull JavaElementArrangementEntry method) {
+    myAnchorMethod = method;
+  }
+
+  @NotNull
+  public List<JavaElementArrangementEntry> getGetDependentMethods() {
+    return getDependentMethods;
+  }
+
+  @NotNull
+  public JavaElementArrangementEntry getAnchorMethod() {
+    return myAnchorMethod;
   }
 }
diff --git a/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementParseInfo.java b/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementParseInfo.java
index 5012844e9a75..ec54eb881808 100644
--- a/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementParseInfo.java
+++ b/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaArrangementParseInfo.java
@@ -16,6 +16,7 @@
 package com.intellij.psi.codeStyle.arrangement;
 
 import com.intellij.openapi.util.Pair;
+import com.intellij.psi.PsiMethod;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.*;
@@ -28,6 +29,9 @@ public class JavaArrangementParseInfo {
 
   @NotNull private final List<JavaElementArrangementEntry> myEntries = new ArrayList<JavaElementArrangementEntry>();
 
+  @NotNull private final List<JavaArrangementMethodDependencyInfo> myMethodDependencyRoots
+    = new ArrayList<JavaArrangementMethodDependencyInfo>();
+  
   @NotNull private final Map<Pair<String/* property name */, String/* class name */>, JavaArrangementPropertyInfo> myProperties
     = new HashMap<Pair<String, String>, JavaArrangementPropertyInfo>();
 
@@ -39,22 +43,28 @@ public class JavaArrangementParseInfo {
   public void addEntry(@NotNull JavaElementArrangementEntry entry) {
     myEntries.add(entry);
   }
-  
+
   @NotNull
   public Collection<JavaArrangementPropertyInfo> getProperties() {
     return myProperties.values();
   }
-  
+
+  // TODO den add doc
+  @NotNull
+  public List<JavaArrangementMethodDependencyInfo> getMethodDependencyRoots() {
+    return myMethodDependencyRoots;
+  }
+
   public void registerGetter(@NotNull String propertyName, @NotNull String className, @NotNull JavaElementArrangementEntry entry) {
-    getInfo(propertyName, className).setGetter(entry);
+    getPropertyInfo(propertyName, className).setGetter(entry);
   }
 
   public void registerSetter(@NotNull String propertyName, @NotNull String className, @NotNull JavaElementArrangementEntry entry) {
-    getInfo(propertyName, className).setSetter(entry);
+    getPropertyInfo(propertyName, className).setSetter(entry);
   }
 
   @NotNull
-  private JavaArrangementPropertyInfo getInfo(@NotNull String propertyName, @NotNull String className) {
+  private JavaArrangementPropertyInfo getPropertyInfo(@NotNull String propertyName, @NotNull String className) {
     Pair<String, String> key = Pair.create(propertyName, className);
     JavaArrangementPropertyInfo propertyInfo = myProperties.get(key);
     if (propertyInfo == null) {
@@ -62,4 +72,12 @@ public class JavaArrangementParseInfo {
     }
     return propertyInfo;
   }
+  
+  // TODO den add doc
+  public void registerDependency(@NotNull PsiMethod baseMethod,
+                                 @NotNull JavaElementArrangementEntry baseMethodEntry,
+                                 @NotNull PsiMethod dependentMethod)
+  {
+    // TODO den implement
+  }
 }
diff --git a/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaRearranger.java b/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaRearranger.java
index a97d2c381890..ae498e7e7219 100644
--- a/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaRearranger.java
+++ b/java/java-impl/src/com/intellij/psi/codeStyle/arrangement/JavaRearranger.java
@@ -204,7 +204,21 @@ public class JavaRearranger implements Rearranger<JavaElementArrangementEntry>,
   }
 
   private static void setupUtilityMethods(@NotNull JavaArrangementParseInfo info, @NotNull ArrangementEntryOrderType orderType) {
-    
+    if (orderType == ArrangementEntryOrderType.DEPTH_FIRST) {
+      JavaElementArrangementEntry base = null;
+      for (JavaArrangementMethodDependencyInfo rootInfo : info.getMethodDependencyRoots()) {
+        if (base != null) {
+          rootInfo.getAnchorMethod().addDependency(base);
+        }
+        base = setupDepthFirstDependency(rootInfo.getAnchorMethod());
+      }
+    }
+  }
+
+  @NotNull
+  private static JavaElementArrangementEntry setupDepthFirstDependency(@NotNull JavaElementArrangementEntry base) {
+    // TODO den implement
+    return base;
   }
 
   private static void setupOverriddenMethods(JavaArrangementParseInfo info) {