Added a restart button in case restarless update/removal fails

app/src/processing/app/contrib/ContributionManagerDialog.java

@@ -27,6 +27,9 @@ import java.awt.Container;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.event.*;
+import java.io.File;
+import java.io.IOException;
+import java.lang.management.ManagementFactory;
 import java.net.SocketTimeoutException;
 import java.util.*;
 
@@ -79,13 +82,55 @@ public class ContributionManagerDialog {
     return contribListing.hasUpdates(base);
   }
   
-  public void showFrame(Editor editor) {
+  public void showFrame(final Editor editor) {
     this.editor = editor;
 
     if (dialog == null) {
       dialog = new JFrame(title);
 
       restartButton = new JButton("Restart Processing");
+      restartButton.setVisible(false);
+      restartButton.addActionListener(new ActionListener() {
+
+        @Override
+        public void actionPerformed(ActionEvent arg0) {
+
+          for (Editor ed : editor.getBase().getEditors())
+            if (ed.getSketch().isModified() || ed.getSketch().isUntitled()) {
+              int option = Base
+                .showYesNoQuestion(editor, title,
+                                   "Unsaved changes have been found",
+                                   "Are you sure you want to restart Processing without saving first?");
+
+              if (option == JOptionPane.NO_OPTION)
+                return;
+              else
+                break;
+            }
+
+          // Thanks to http://stackoverflow.com/a/4160543
+          StringBuilder cmd = new StringBuilder();
+          cmd.append(System.getProperty("java.home") + File.separator + "bin"
+            + File.separator + "java ");
+          for (String jvmArg : ManagementFactory.getRuntimeMXBean()
+            .getInputArguments()) {
+            cmd.append(jvmArg + " ");
+          }
+          cmd.append("-cp ")
+            .append(ManagementFactory.getRuntimeMXBean().getClassPath())
+            .append(" ");
+          cmd.append(Base.class.getName());
+
+          try {
+            Runtime.getRuntime().exec(cmd.toString());
+            System.exit(0);
+          } catch (IOException e) {
+            e.printStackTrace();
+          }
+
+        }
+
+      });
       
       Toolkit.setIcon(dialog);
       createComponents();

app/src/processing/app/contrib/ContributionPanel.java

@@ -26,6 +26,7 @@ import java.awt.event.*;
 import java.io.File;
 import java.net.MalformedURLException;
 import java.net.URL;
+import java.util.ArrayList;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import java.util.Date;
@@ -132,6 +133,17 @@ class ContributionPanel extends JPanel {
           LocalContribution installed = (LocalContribution) contrib;
           installed.setDeletionFlag(false);
           contribListing.replaceContribution(contrib, contrib);  // ?? 
+          ArrayList<Contribution> contribsList = contribListing.allContributions;
+          boolean toBeRestarted = false;
+          for(Contribution contribElement : contribsList)
+            if (contrib.getType().equals(contribElement.getType())) {
+              if (contribElement.isDeletionFlagged() || contribElement.isUpdateFlagged())
+                {
+                  toBeRestarted = !toBeRestarted;
+                  break;
+                }
+            }
+          listPanel.contribManager.restartButton.setVisible(toBeRestarted);
         }
       }
     };
@@ -162,6 +174,7 @@ class ContributionPanel extends JPanel {
             public void cancel() {
               super.cancel();
               resetInstallProgressBarState();
+              listPanel.contribManager.restartButton.setVisible(true);
               isRemoveInProgress = false;
               installRemoveButton.setEnabled(true);
 //              ((CardLayout) barButtonCardPane.getLayout()).show(barButtonCardPane, BUTTON_CONSTRAINT);
@@ -274,6 +287,7 @@ class ContributionPanel extends JPanel {
                                   public void cancel() {
                                     super.cancel();
                                     resetInstallProgressBarState();
+                                    listPanel.contribManager.status.setMessage("");
                                     isUpdateInProgress = false;
                                     installRemoveButton.setEnabled(true);
                                     if (contrib.isDeletionFlagged()) {
@@ -282,7 +296,7 @@ class ContributionPanel extends JPanel {
                                       contribListing.replaceContribution(contrib,contrib);
 //                                      updateButton.setVisible(false);
                                     }
-                                    listPanel.contribManager.status.setMessage("");
+                                    listPanel.contribManager.restartButton.setVisible(true);
                                   }
                                   
                                 }, listPanel.contribManager.status);