From ca458bfbf186d390b334db26ab7301cae998c6ee Mon Sep 17 00:00:00 2001
From: Konstantin Bulenkov <kb@jetbrains.com>
Date: Fri, 30 Dec 2011 14:29:13 +0100
Subject: [PATCH] allow expandable items for popups

---
 .../ui/AbstractExpandableItemsHandler.java        | 15 ++++++++++++++-
 .../src/com/intellij/ui/popup/AbstractPopup.java  | 11 +++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java b/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java
index 886671eeceec..31bb933bfea0 100644
--- a/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java
+++ b/platform/platform-impl/src/com/intellij/ui/AbstractExpandableItemsHandler.java
@@ -18,6 +18,7 @@ package com.intellij.ui;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.util.Comparing;
 import com.intellij.openapi.util.Pair;
+import com.intellij.ui.popup.AbstractPopup;
 import com.intellij.util.Alarm;
 import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
@@ -213,7 +214,19 @@ abstract public class AbstractExpandableItemsHandler<KeyType, ComponentType exte
 
   private boolean isPopup() {
     Window window = SwingUtilities.getWindowAncestor(myComponent);
-    return window != null && !(window instanceof Dialog || window instanceof Frame);
+    return window != null 
+           && !(window instanceof Dialog || window instanceof Frame)
+           && !isHintsAllowed(window);
+  }
+
+  private static boolean isHintsAllowed(Window window) {
+    if (window instanceof RootPaneContainer) {
+      final JRootPane pane = ((RootPaneContainer)window).getRootPane();
+      if (pane != null) {
+        return Boolean.TRUE.equals(pane.getClientProperty(AbstractPopup.SHOW_HINTS));
+      }
+    }
+    return false;
   }
 
   private void hideHint() {
diff --git a/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java b/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java
index 46eb4bcc4a1c..70e663cdfc5f 100644
--- a/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java
+++ b/platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java
@@ -62,6 +62,7 @@ public class AbstractPopup implements JBPopup {
 
   private static final Image ourMacCorner = ImageLoader.loadFromResource("/general/macCorner.png");
   private static final Object SUPPRESS_MAC_CORNER = new Object();
+  public static final String SHOW_HINTS = "ShowHints";
 
   private PopupComponent myPopup;
   private MyContentPanel myContent;
@@ -322,6 +323,16 @@ public class AbstractPopup implements JBPopup {
     return true;
   }
 
+  public void setShowHints(boolean show) {
+    final Window ancestor = SwingUtilities.getWindowAncestor(myComponent);
+    if (ancestor instanceof RootPaneContainer) {
+      final JRootPane rootPane = ((RootPaneContainer)ancestor).getRootPane();
+      if (rootPane != null) {
+        rootPane.putClientProperty(SHOW_HINTS, Boolean.valueOf(show));
+      }
+    }
+  }
+
   public static void suppressMacCornerFor(JComponent popupComponent) {
     popupComponent.putClientProperty(SUPPRESS_MAC_CORNER, Boolean.TRUE);
   }