display the last log message in the status bar

platform/lang-impl/src/com/intellij/notification/EventLog.java

@@ -26,8 +26,8 @@ import com.intellij.openapi.project.DumbAware;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.project.ProjectManager;
 import com.intellij.openapi.util.text.StringUtil;
-import com.intellij.openapi.wm.ToolWindow;
-import com.intellij.openapi.wm.ToolWindowFactory;
+import com.intellij.openapi.wm.*;
+import com.intellij.openapi.wm.ex.StatusBarEx;
 import com.intellij.ui.content.Content;
 import com.intellij.ui.content.ContentFactory;
 import org.jetbrains.annotations.NotNull;
@@ -74,14 +74,14 @@ public class EventLog implements Notifications {
         getApplicationComponent().addGlobalNotifications(notification);
       }
       for (Project p : openProjects) {
-        printNotification(getProjectComponent(p).myConsoleView, notification);
+        printNotification(getProjectComponent(p).myConsoleView, p, notification);
       }
     } else {
-      printNotification(getProjectComponent(project).myConsoleView, notification);
+      printNotification(getProjectComponent(project).myConsoleView, project, notification);
     }
   }
 
-  private static void printNotification(ConsoleViewImpl view, final Notification notification) {
+  private static void printNotification(ConsoleViewImpl view, Project project, final Notification notification) {
     view.print(DateFormat.getTimeInstance(DateFormat.MEDIUM).format(new Date()) + " ", ConsoleViewContentType.NORMAL_OUTPUT);
 
     boolean showLink = notification.getListener() != null;
@@ -119,6 +119,8 @@ public class EventLog implements Notifications {
       view.print(" ", ConsoleViewContentType.NORMAL_OUTPUT);
     }
     view.print("\n", ConsoleViewContentType.NORMAL_OUTPUT);
+
+    ((StatusBarEx)WindowManager.getInstance().getIdeFrame(project).getStatusBar()).setLogMessage(mainText);
   }
 
   private static int eolIndex(String mainText) {

platform/platform-impl/src/com/intellij/openapi/wm/ex/StatusBarEx.java

@@ -53,4 +53,6 @@ public interface StatusBarEx extends StatusBar, Disposable {
 
   @Nullable
   String getInfoRequestor();
+
+  void setLogMessage(String text);
 }

platform/platform-impl/src/com/intellij/openapi/wm/impl/TestWindowManager.java

@@ -109,6 +109,10 @@ public final class TestWindowManager extends WindowManagerEx implements Applicat
       return null;
     }
 
+    @Override
+    public void setLogMessage(String text) {
+    }
+
     public boolean isVisible() {
       return false;
     }

platform/platform-impl/src/com/intellij/openapi/wm/impl/status/IdeStatusBarImpl.java

@@ -403,6 +403,12 @@ public class IdeStatusBarImpl extends JComponent implements StatusBarEx {
     return myRequestor;
   }
 
+  @Override
+  public void setLogMessage(String text) {
+    myInfoAndProgressPanel.setLogMessage(text);
+    setInfo(null, "Log message");
+  }
+
   public void addProgress(ProgressIndicatorEx indicator, TaskInfo info) {
     myInfoAndProgressPanel.addProgress(indicator, info);
   }

platform/platform-impl/src/com/intellij/openapi/wm/impl/status/InfoAndProgressPanel.java

@@ -55,15 +55,12 @@ import javax.swing.event.HyperlinkListener;
 import java.awt.*;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
+import java.util.*;
 
 public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidget {
   private final ProcessPopup myPopup;
 
-  private final TextPanel myInfoPanel = new TextPanel();
+  private final StatusPanel myInfoPanel = new StatusPanel();
   private final JPanel myRefreshAndInfoPanel = new JPanel();
   private final AsyncProcessIcon myProgressIcon;
 
@@ -177,7 +174,11 @@ public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidge
 
   public void addProgress(final ProgressIndicatorEx original, TaskInfo info) {
     synchronized (myOriginals) {
-      final boolean veryFirst = myOriginals.isEmpty();
+      final boolean veryFirst = !hasProgressIndicators();
+
+      if (veryFirst) {
+        myInfoPanel.hideLog();
+      }
 
       myOriginals.add(original);
       myInfos.add(info);
@@ -202,6 +203,12 @@ public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidge
     }
   }
 
+  private boolean hasProgressIndicators() {
+    synchronized (myOriginals) {
+      return !myOriginals.isEmpty();
+    }
+  }
+
   private void removeProgress(InlineProgressIndicator progress) {
     synchronized (myOriginals) {
       if (!myInline2Original.containsKey(progress)) return;
@@ -233,6 +240,10 @@ public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidge
       }
 
       runQuery();
+
+      if (last) {
+        myInfoPanel.restoreLogIfNeeded();
+      }
     }
   }
 
@@ -254,7 +265,7 @@ public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidge
   private void openProcessPopup(boolean requestFocus) {
     synchronized (myOriginals) {
       if (myPopup.isShowing()) return;
-      if (!myOriginals.isEmpty()) {
+      if (hasProgressIndicators()) {
         myShouldClosePopupAndOnProcessFinish = true;
         buildInProcessCount();
       }
@@ -273,7 +284,7 @@ public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidge
       if (myOriginals.size() == 1) {
         buildInInlineIndicator(createInlineDelegate(myInfos.get(0), myOriginals.get(0), true));
       }
-      else if (myOriginals.isEmpty()) {
+      else if (!hasProgressIndicators()) {
         restoreEmptyStatus();
       }
       else {
@@ -351,8 +362,9 @@ public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidge
       return Pair.create(myInfoPanel.getText(), myCurrentRequestor);
     }
 
-    myInfoPanel.setText(text);
-    myCurrentRequestor = requestor;
+    final boolean logMode = StringUtil.isEmpty(text) && !hasProgressIndicators();
+    myInfoPanel.updateText(logMode, text);
+    myCurrentRequestor = logMode ? requestor : null;
     return Pair.create(text, requestor);
   }
 
@@ -410,6 +422,10 @@ public class InfoAndProgressPanel extends JPanel implements CustomStatusBarWidge
     };
   }
 
+  public void setLogMessage(String text) {
+    myInfoPanel.setLogMessage(text);
+  }
+
   private static class InlineLayout extends AbstractLayoutManager {
 
     public Dimension preferredLayoutSize(final Container parent) {

platform/platform-impl/src/com/intellij/openapi/wm/impl/status/StatusPanel.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright 2000-2011 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 com.intellij.openapi.wm.impl.status;
+
+import com.intellij.openapi.util.text.StringUtil;
+import com.intellij.util.Alarm;
+import com.intellij.util.text.DateFormatUtil;
+import org.jetbrains.annotations.Nullable;
+
+import java.util.Date;
+
+/**
+ * @author peter
+ */
+class StatusPanel extends TextPanel {
+  private boolean myLogMode;
+  private String myLogMessage;
+  private Date myLogTime;
+  private final Alarm myLogAlarm = new Alarm(Alarm.ThreadToUse.SWING_THREAD);
+
+  public void setLogMessage(String text) {
+    myLogMessage = text;
+    myLogTime = new Date();
+  }
+
+  public void updateText(boolean logMode, @Nullable String nonLogText) {
+    myLogMode = logMode;
+
+    if (logMode) {
+      new Runnable() {
+        @Override
+        public void run() {
+          setText(myLogMessage + " (" + StringUtil.decapitalize(DateFormatUtil.formatPrettyDateTime(myLogTime)) + ")");
+          myLogAlarm.addRequest(this, 30000);
+        }
+      }.run();
+    } else {
+      setText(nonLogText);
+      myLogAlarm.cancelAllRequests();
+    }
+
+  }
+
+  public void hideLog() {
+    if (myLogMode) {
+      updateText(false, "");
+    }
+  }
+
+  public void restoreLogIfNeeded() {
+    myLogAlarm.addRequest(new Runnable() {
+      @Override
+      public void run() {
+        if (StringUtil.isEmpty(getText())) {
+          updateText(true, "");
+        }
+      }
+    }, 500);
+  }
+}