tune commit dialog to show global messages

platform/vcs-impl/src/com/intellij/openapi/vcs/changes/ui/CommitChangeListDialog.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2013 JetBrains s.r.o.
+ * Copyright 2000-2014 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.
@@ -15,7 +15,10 @@
  */
 package com.intellij.openapi.vcs.changes.ui;
 
+import com.intellij.icons.AllIcons;
+import com.intellij.ide.BrowserUtil;
 import com.intellij.ide.util.PropertiesComponent;
+import com.intellij.notification.impl.ui.NotificationsUtil;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.DataKey;
@@ -23,6 +26,7 @@ import com.intellij.openapi.actionSystem.DataSink;
 import com.intellij.openapi.actionSystem.TypeSafeDataProvider;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.application.ModalityState;
+import com.intellij.openapi.application.ex.ApplicationManagerEx;
 import com.intellij.openapi.extensions.Extensions;
 import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.progress.ProgressManager;
@@ -35,23 +39,31 @@ import com.intellij.openapi.vcs.changes.*;
 import com.intellij.openapi.vcs.changes.actions.DiffExtendUIFactory;
 import com.intellij.openapi.vcs.checkin.*;
 import com.intellij.openapi.vcs.impl.CheckinHandlersManager;
+import com.intellij.openapi.vcs.impl.VcsGlobalMessage;
+import com.intellij.openapi.vcs.impl.VcsGlobalMessageManager;
 import com.intellij.openapi.vcs.ui.CommitMessage;
 import com.intellij.openapi.vcs.ui.Refreshable;
 import com.intellij.openapi.vcs.ui.RefreshableOnComponent;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.openapi.wm.IdeFocusManager;
 import com.intellij.ui.IdeBorderFactory;
+import com.intellij.ui.ScrollPaneFactory;
 import com.intellij.ui.SplitterWithSecondHideable;
+import com.intellij.ui.components.panels.NonOpaquePanel;
 import com.intellij.util.Alarm;
 import com.intellij.util.Consumer;
 import com.intellij.util.OnOffListener;
 import com.intellij.util.containers.ContainerUtilRt;
+import com.intellij.util.ui.UIUtil;
 import gnu.trove.THashSet;
 import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 import javax.swing.*;
+import javax.swing.border.EmptyBorder;
+import javax.swing.event.HyperlinkEvent;
+import javax.swing.event.HyperlinkListener;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.io.File;
@@ -988,6 +1000,54 @@ public class CommitChangeListDialog extends DialogWrapper implements CheckinProj
     }
   }
 
+  @Nullable
+  @Override
+  protected JComponent createNorthPanel() {
+    if (ApplicationManagerEx.getApplicationEx().isInternal()) {
+      final VcsGlobalMessage message = VcsGlobalMessageManager.getInstance(myProject).getState();
+      if (message != null && !StringUtil.isEmpty(message.message)) {
+        final JEditorPane text = new JEditorPane();
+        text.setEditorKit(UIUtil.getHTMLEditorKit());
+
+        text.addHyperlinkListener(new HyperlinkListener() {
+          @Override
+          public void hyperlinkUpdate(HyperlinkEvent e) {
+            if (HyperlinkEvent.EventType.ACTIVATED == e.getEventType()) BrowserUtil.browse(e.getURL());
+          }
+        });
+
+        final JLabel label = new JLabel(NotificationsUtil.buildHtml("", message.message, null));
+        text.setText(NotificationsUtil.buildHtml("", message.message, "width:" + Math.min(400, label.getPreferredSize().width) + "px;"));
+        text.setEditable(false);
+        text.setOpaque(false);
+
+        text.setBorder(null);
+
+        final JPanel content =
+          new JPanel(new BorderLayout((int)(label.getIconTextGap() * 1.5), (int)(label.getIconTextGap() * 1.5)));
+
+        text.setCaretPosition(0);
+        JScrollPane pane = ScrollPaneFactory.createScrollPane(text,
+                                                              ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
+                                                              ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
+        pane.setBorder(null);
+        pane.setOpaque(false);
+        pane.getViewport().setOpaque(false);
+        content.add(pane, BorderLayout.CENTER);
+
+        final NonOpaquePanel north = new NonOpaquePanel(new BorderLayout());
+        north.add(new JLabel(AllIcons.General.BalloonWarning), BorderLayout.NORTH);
+        content.add(north, BorderLayout.WEST);
+
+        content.setBorder(new EmptyBorder(8, 4, 8, 4));
+        content.setBackground(MessageType.WARNING.getPopupBackground());
+        return content;
+      }
+
+    }
+    return super.createNorthPanel();
+  }
+
   @Override
   @Nullable
   protected JComponent createCenterPanel() {