show recent updates, added to status bar and help menu

diylc/diylc-core/src/org/diylc/common/IPlugInPort.java

@@ -33,6 +33,7 @@ import java.util.Set;
 
 import org.diylc.appframework.simplemq.IMessageListener;
 import org.diylc.appframework.simplemq.MessageDispatcher;
+import org.diylc.appframework.update.Version;
 import org.diylc.appframework.update.VersionNumber;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.Project;
@@ -200,6 +201,13 @@ public interface IPlugInPort extends ISelectionProcessor, IMouseProcessor, IKeyP
    */
   VersionNumber getCurrentVersionNumber();
   
+  /**
+   * Returns few most recent versions. 
+   * 
+   * @return
+   */
+  List<Version> getRecentUpdates();
+
   /**
    * Adds a list of components to the project.
    * 

diylc/diylc-core/src/org/diylc/presenter/Presenter.java

@@ -86,6 +86,7 @@ public class Presenter implements IPlugInPort {
   private static final Logger LOG = Logger.getLogger(Presenter.class);
 
   public static VersionNumber CURRENT_VERSION = new VersionNumber(3, 0, 0);
+  public static List<Version> RECENT_VERSIONS = null;
   // Read the latest version from the local update.xml file
   static {
     try {
@@ -93,6 +94,14 @@ public class Presenter implements IPlugInPort {
       XStream xStream = new XStream(new DomDriver());
       @SuppressWarnings("unchecked")
       List<Version> allVersions = (List<Version>) xStream.fromXML(in);
+      RECENT_VERSIONS = allVersions.subList(allVersions.size() - 4, allVersions.size() - 1);
+      Collections.sort(RECENT_VERSIONS, new Comparator<Version>() {
+
+        @Override
+        public int compare(Version o1, Version o2) {         
+          return -o1.getVersionNumber().compareTo(o2.getVersionNumber());
+        }        
+      });
       in.close();
       CURRENT_VERSION = allVersions.get(allVersions.size() - 1).getVersionNumber();
     } catch (IOException e) {
@@ -957,6 +966,11 @@ public class Presenter implements IPlugInPort {
     return CURRENT_VERSION;
   }
   
+  @Override
+  public List<Version> getRecentUpdates() {
+    return RECENT_VERSIONS;
+  }
+
   @Override
   public void dragStarted(Point point, int dragAction, boolean forceSelectionRect) {
     LOG.debug(String.format("dragStarted(%s, %s)", point, dragAction));

diylc/diylc-swing/src/org/diylc/images/IconLoader.java

@@ -62,7 +62,7 @@ public enum IconLoader {
       "pin_green.png"), CoffeebeanEdit("coffeebean_edit.png"), ApplicationEdit("application_edit.png"), ComponentAdd(
       "component_add.png"), History("history.png"), DocumentPlain("document_plain.png"), FitToSize("fit_to_size.png"), DocumentsGear(
       "documents_gear.png"), SplashResistor("splash_resistor.png"), SplashCeramic("splash_ceramic.png"), SplashElectrolytic(
-      "splash_electrolytic.png"), SplashFilm("splash_film.png"), Splash("splash.png"), Help("help2.png");
+      "splash_electrolytic.png"), SplashFilm("splash_film.png"), Splash("splash.png"), Help("help2.png"), ScrollInformation("scroll_information.png");
 
   protected String name;
 

diylc/diylc-swing/src/org/diylc/swing/plugins/help/HelpMenuPlugin.java

@@ -23,20 +23,25 @@ package org.diylc.swing.plugins.help;
 
 import java.awt.event.ActionEvent;
 import java.util.EnumSet;
+import java.util.List;
 
 import javax.swing.AbstractAction;
 import javax.swing.Icon;
 
 import org.apache.log4j.Logger;
 import org.diylc.appframework.miscutils.Utils;
+import org.diylc.appframework.update.UpdateChecker;
+import org.diylc.appframework.update.Version;
 import org.diylc.common.EventType;
 import org.diylc.common.IPlugIn;
 import org.diylc.common.IPlugInPort;
+import org.diylc.core.IView;
 import org.diylc.images.IconLoader;
 import org.diylc.swing.ISwingUI;
 import org.diylc.swing.gui.DialogFactory;
 import org.diylc.swingframework.AboutDialog;
 import org.diylc.swingframework.LinkLabel;
+import org.diylc.swingframework.update.UpdateDialog;
 
 /**
  * Entry point class for help-related utilities.
@@ -56,8 +61,10 @@ public class HelpMenuPlugin implements IPlugIn {
 
   private IPlugInPort plugInPort;
   private AboutDialog aboutDialog;
+  private ISwingUI swingUI;
 
   public HelpMenuPlugin(ISwingUI swingUI) {
+    this.swingUI = swingUI;
     swingUI.injectMenuAction(new NavigateURLAction("User Manual", IconLoader.Manual.getIcon(), MANUAL_URL), HELP_TITLE);
     swingUI.injectMenuAction(new NavigateURLAction("FAQ", IconLoader.Faq.getIcon(), FAQ_URL), HELP_TITLE);
     swingUI.injectMenuAction(new NavigateURLAction("Component API", IconLoader.CoffeebeanEdit.getIcon(), COMPONENT_URL),
@@ -65,6 +72,8 @@ public class HelpMenuPlugin implements IPlugIn {
     swingUI.injectMenuAction(new NavigateURLAction("Plugin API", IconLoader.ApplicationEdit.getIcon(), PLUGIN_URL), HELP_TITLE);
     swingUI.injectMenuAction(new NavigateURLAction("Submit a Bug", IconLoader.Bug.getIcon(), BUG_URL), HELP_TITLE);
     swingUI.injectMenuAction(null, HELP_TITLE);
+    swingUI.injectMenuAction(new RecentUpdatesAction(), HELP_TITLE);
+    swingUI.injectMenuAction(null, HELP_TITLE);
     swingUI.injectMenuAction(new NavigateURLAction("Donate", IconLoader.Donate.getIcon(), DONATE_URL), HELP_TITLE);    
     swingUI.injectMenuAction(new AboutAction(), HELP_TITLE);
   }
@@ -120,6 +129,29 @@ public class HelpMenuPlugin implements IPlugIn {
     }
   }
   
+  class RecentUpdatesAction extends AbstractAction {
+
+    private static final long serialVersionUID = 1L;
+
+    public RecentUpdatesAction() {
+      super();
+      putValue(AbstractAction.NAME, "Recent Updates");
+      putValue(AbstractAction.SMALL_ICON, IconLoader.ScrollInformation.getIcon());
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+      List<Version> updates = plugInPort.getRecentUpdates();
+      if (updates == null)
+        swingUI.showMessage("Version history is not available.", "Information", IView.INFORMATION_MESSAGE);
+      else {
+        String html = UpdateChecker.createUpdateHTML(updates);
+        UpdateDialog updateDialog = new UpdateDialog(swingUI.getOwnerFrame().getRootPane(), html, (String)null);
+        updateDialog.setVisible(true);
+      }
+    }
+  }
+
   class NavigateURLAction extends AbstractAction {
 
     private static final long serialVersionUID = 1L;

diylc/diylc-swing/src/org/diylc/swing/plugins/statusbar/StatusBar.java

@@ -44,6 +44,7 @@ import java.util.Map;
 
 import javax.swing.BorderFactory;
 import javax.swing.JComboBox;
+import javax.swing.JComponent;
 import javax.swing.JLabel;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
@@ -56,6 +57,8 @@ import net.java.balloontip.styles.EdgedBalloonStyle;
 import org.apache.log4j.Logger;
 import org.diylc.announcements.AnnouncementProvider;
 import org.diylc.appframework.miscutils.Utils;
+import org.diylc.appframework.update.UpdateChecker;
+import org.diylc.appframework.update.Version;
 import org.diylc.common.BadPositionException;
 import org.diylc.common.ComponentType;
 import org.diylc.common.EventType;
@@ -68,6 +71,7 @@ import org.diylc.images.IconLoader;
 import org.diylc.swing.ISwingUI;
 import org.diylc.swingframework.MemoryBar;
 import org.diylc.swingframework.miscutils.PercentageListCellRenderer;
+import org.diylc.swingframework.update.UpdateDialog;
 import org.diylc.swingframework.update.UpdateLabel;
 
 public class StatusBar extends JPanel implements IPlugIn {
@@ -82,6 +86,7 @@ public class StatusBar extends JPanel implements IPlugIn {
   private JComboBox zoomBox;
   private UpdateLabel updateLabel;
   private JLabel announcementLabel;
+  private JLabel recentChangesLabel;
   private MemoryBar memoryPanel;
   private JLabel statusLabel;
   private JLabel sizeLabel;
@@ -179,9 +184,6 @@ public class StatusBar extends JPanel implements IPlugIn {
           return new Point(0, -16);
         }
       };
-      // updateLabel.setBorder(BorderFactory.createCompoundBorder(
-      // BorderFactory.createEtchedBorder(), BorderFactory
-      // .createEmptyBorder(2, 4, 2, 4)));
       updateLabel.setBorder(BorderFactory.createEmptyBorder(2, 4, 2, 4));
     }
     return updateLabel;
@@ -234,6 +236,38 @@ public class StatusBar extends JPanel implements IPlugIn {
     return announcementLabel;
   }
   
+  public JLabel getRecentChangesLabel() {
+    if (recentChangesLabel == null) {
+      recentChangesLabel = new JLabel(IconLoader.ScrollInformation.getIcon()){
+
+        private static final long serialVersionUID = 1L;
+
+        @Override
+        public Point getToolTipLocation(MouseEvent event) {
+          return new Point(0, -16);
+        }
+      };
+      recentChangesLabel.setToolTipText("Click to show recent changes and updates");
+      recentChangesLabel.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
+      
+      recentChangesLabel.addMouseListener(new MouseAdapter() {
+
+        @Override
+        public void mouseClicked(MouseEvent e) {
+          List<Version> updates = plugInPort.getRecentUpdates();
+          if (updates == null)
+            swingUI.showMessage("Version history is not available.", "Information", IView.INFORMATION_MESSAGE);
+          else {
+            String html = UpdateChecker.createUpdateHTML(updates);
+            UpdateDialog updateDialog = new UpdateDialog(swingUI.getOwnerFrame().getRootPane(), html, (String)null);
+            updateDialog.setVisible(true);
+          }
+        }
+      });
+    }
+    return recentChangesLabel;
+  }
+
   private MemoryBar getMemoryPanel() {
     if (memoryPanel == null) {
       memoryPanel = new MemoryBar(false) {
@@ -323,6 +357,10 @@ public class StatusBar extends JPanel implements IPlugIn {
     gbc.insets = new Insets(0, 0, 0, 0);
     add(getUpdateLabel(), gbc);
     
+    gbc.gridx++;
+    gbc.insets = new Insets(0, 0, 0, 4);
+    add(getRecentChangesLabel(), gbc);
+
     gbc.gridx++;
     gbc.fill = GridBagConstraints.NONE;
     gbc.insets = new Insets(0, 0, 0, 4);

diylc/diylc-swing/update.xml

@@ -2268,7 +2268,11 @@
 				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>NEW_FEATURE</changeType>
-					<description>Ability to flip letters and numbers for board coordinates</description>
+					<description>Ability to flip the letters and numbers for board coordinates</description>
+				</org.diylc.appframework.update.Change>	
+				<org.diylc.appframework.update.Change>
+					<changeType>NEW_FEATURE</changeType>
+					<description>"Recent Updates" added to status bar and Help menu</description>
 				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>IMPROVEMENT</changeType>