From 5fe739b1845bac3a2133351c49e7ef286b6a2500 Mon Sep 17 00:00:00 2001
From: Sergey Ignatov <sergey.ignatov@jetbrains.com>
Date: Thu, 12 May 2016 11:28:27 +0300
Subject: [PATCH] Revert: [show usage] gray a bit repeated files
 (94baf71372e306daf7309c353334aa66f56cf6ea)

---
 .../actions/ShowUsagesTableCellRenderer.java  | 43 +++----------------
 1 file changed, 7 insertions(+), 36 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/find/actions/ShowUsagesTableCellRenderer.java b/platform/lang-impl/src/com/intellij/find/actions/ShowUsagesTableCellRenderer.java
index 309ebb94be28..95f591e2346e 100644
--- a/platform/lang-impl/src/com/intellij/find/actions/ShowUsagesTableCellRenderer.java
+++ b/platform/lang-impl/src/com/intellij/find/actions/ShowUsagesTableCellRenderer.java
@@ -16,9 +16,7 @@
 
 package com.intellij.find.actions;
 
-import com.intellij.openapi.editor.markup.TextAttributes;
 import com.intellij.openapi.project.Project;
-import com.intellij.openapi.util.Comparing;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiManager;
@@ -27,8 +25,6 @@ import com.intellij.ui.FileColorManager;
 import com.intellij.ui.SimpleColoredComponent;
 import com.intellij.ui.SimpleTextAttributes;
 import com.intellij.ui.speedSearch.SpeedSearchUtil;
-import com.intellij.usageView.UsageTreeColors;
-import com.intellij.usageView.UsageTreeColorsScheme;
 import com.intellij.usages.TextChunk;
 import com.intellij.usages.Usage;
 import com.intellij.usages.UsageGroup;
@@ -42,7 +38,6 @@ import com.intellij.util.ObjectUtils;
 import com.intellij.util.ui.EmptyIcon;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
 import javax.swing.table.TableCellRenderer;
@@ -109,11 +104,8 @@ class ShowUsagesTableCellRenderer implements TableCellRenderer {
     panel.setBackground(panelBackground);
     panel.setForeground(panelForeground);
 
-    VirtualFile file = getFile(usage);
-    VirtualFile prevFile = findPrevFile(list, row, column);
-
     if (column == 0) {
-      appendGroupText(list, (GroupNode)usageNode.getParent(), panel, fileBgColor, isSelected, Comparing.equal(file, prevFile));
+      appendGroupText(list, (GroupNode)usageNode.getParent(), panel, fileBgColor, isSelected);
       return panel;
     }
     else if (usage != ShowUsagesAction.MORE_USAGES_SEPARATOR && usage != ShowUsagesAction.USAGES_OUTSIDE_SCOPE_SEPARATOR) {
@@ -144,14 +136,6 @@ class ShowUsagesTableCellRenderer implements TableCellRenderer {
     return panel;
   }
 
-  @Nullable
-  private static VirtualFile findPrevFile(@NotNull JTable table, int row, int column) {
-    if (row <= 0) return null;
-    Object prev = table.getValueAt(row - 1, column);
-    UsageNode usageNode = prev instanceof UsageNode ? (UsageNode)prev : null;
-    return getFile(usageNode == null ? null : usageNode.getUsage());
-  }
-  
   @NotNull
   public static SimpleTextAttributes getAttributes(boolean isSelected, Color fileBgColor, Color bg, Color fg, TextChunk chunk) {
     SimpleTextAttributes background = chunk.getSimpleAttributesIgnoreBackground();
@@ -211,8 +195,7 @@ class ShowUsagesTableCellRenderer implements TableCellRenderer {
     return component;
   }
 
-  @NotNull
-  private static SimpleTextAttributes deriveAttributesWithColor(@NotNull SimpleTextAttributes attributes, @Nullable Color fileBgColor) {
+  private static SimpleTextAttributes deriveAttributesWithColor(SimpleTextAttributes attributes, Color fileBgColor) {
     if (fileBgColor != null) {
       attributes = attributes.derive(-1,null, fileBgColor,null);
     }
@@ -225,7 +208,7 @@ class ShowUsagesTableCellRenderer implements TableCellRenderer {
       fileBgColor = UIUtil.getListSelectionBackground();
     }
     else {
-      VirtualFile virtualFile = getFile(usage);
+      VirtualFile virtualFile = usage instanceof UsageInFile ? ((UsageInFile)usage).getFile() : null;
       if (virtualFile != null) {
         Project project = myUsageView.getProject();
         PsiFile psiFile = PsiManager.getInstance(project).findFile(virtualFile);
@@ -238,28 +221,16 @@ class ShowUsagesTableCellRenderer implements TableCellRenderer {
     return fileBgColor;
   }
 
-  private static VirtualFile getFile(@Nullable Usage usage) {
-    return usage instanceof UsageInFile ? ((UsageInFile)usage).getFile() : null;
-  }
-
-  private void appendGroupText(@NotNull JTable table,
-                               @Nullable GroupNode node,
-                               @NotNull JPanel panel,
-                               @Nullable Color fileBgColor,
-                               boolean isSelected,
-                               boolean sameFile) {
+  private void appendGroupText(JTable table, final GroupNode node, JPanel panel, Color fileBgColor, boolean isSelected) {
     UsageGroup group = node == null ? null : node.getGroup();
     if (group == null) return;
     GroupNode parentGroup = (GroupNode)node.getParent();
-    appendGroupText(table, parentGroup, panel, fileBgColor, isSelected, sameFile);
+    appendGroupText(table, parentGroup, panel, fileBgColor, isSelected);
     if (node.canNavigateToSource()) {
       SimpleColoredComponent renderer = new SimpleColoredComponent();
       renderer.setIcon(group.getIcon(false));
-      TextAttributes attributes = UsageTreeColorsScheme.getInstance().getScheme().getAttributes(UsageTreeColors.USAGE_LOCATION);
-      SimpleTextAttributes attr = sameFile && !isSelected
-                                  ? SimpleTextAttributes.fromTextAttributes(attributes)
-                                  : SimpleTextAttributes.REGULAR_ATTRIBUTES;
-      renderer.append(group.getText(myUsageView), deriveAttributesWithColor(attr, fileBgColor));
+      SimpleTextAttributes attributes = deriveAttributesWithColor(SimpleTextAttributes.REGULAR_ATTRIBUTES, fileBgColor);
+      renderer.append(group.getText(myUsageView), attributes);
       renderer.setBorder(null);
       SpeedSearchUtil.applySpeedSearchHighlighting(table, renderer, false, isSelected);
       panel.add(renderer);