fix: Corrects dialog message for deleting games in current view. Adds progress dialog when deleting

src/main/java/se/lantz/gui/DeleteProgressDialog.java

@@ -0,0 +1,71 @@
+package se.lantz.gui;
+
+import java.awt.Frame;
+
+import javax.swing.JDialog;
+import java.awt.GridBagLayout;
+import javax.swing.JProgressBar;
+import javax.swing.WindowConstants;
+
+import java.awt.GridBagConstraints;
+import javax.swing.JLabel;
+import java.awt.Insets;
+
+public class DeleteProgressDialog extends JDialog
+{
+  private static final long serialVersionUID = 1L;
+  private JProgressBar progressBar;
+  private JLabel textLabel;
+
+  public DeleteProgressDialog(Frame frame)
+  {
+    super(frame, "Deleting", true);
+    setAlwaysOnTop(true);
+    setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
+    setResizable(false);
+    GridBagLayout gridBagLayout = new GridBagLayout();
+    getContentPane().setLayout(gridBagLayout);
+    GridBagConstraints gbc_progressBar = new GridBagConstraints();
+    gbc_progressBar.weightx = 1.0;
+    gbc_progressBar.anchor = GridBagConstraints.NORTH;
+    gbc_progressBar.fill = GridBagConstraints.HORIZONTAL;
+    gbc_progressBar.insets = new Insets(5, 5, 5, 5);
+    gbc_progressBar.gridx = 0;
+    gbc_progressBar.gridy = 0;
+    getContentPane().add(getProgressBar(), gbc_progressBar);
+    GridBagConstraints gbc_textLabel = new GridBagConstraints();
+    gbc_textLabel.insets = new Insets(5, 5, 5, 5);
+    gbc_textLabel.anchor = GridBagConstraints.NORTH;
+    gbc_textLabel.weightx = 1.0;
+    gbc_textLabel.weighty = 1.0;
+    gbc_textLabel.gridx = 0;
+    gbc_textLabel.gridy = 1;
+    getContentPane().add(getTextLabel(), gbc_textLabel);
+  }
+
+  public void finish()
+  {
+    progressBar.setIndeterminate(false);
+    getProgressBar().setValue(getProgressBar().getMaximum());
+    dispose();
+  }
+
+  private JProgressBar getProgressBar()
+  {
+    if (progressBar == null)
+    {
+      progressBar = new JProgressBar();
+      progressBar.setIndeterminate(true);
+    }
+    return progressBar;
+  }
+
+  private JLabel getTextLabel()
+  {
+    if (textLabel == null)
+    {
+      textLabel = new JLabel("Deleting games, screens and cover files...");
+    }
+    return textLabel;
+  }
+}

src/main/java/se/lantz/gui/DeleteWorker.java

@@ -0,0 +1,57 @@
+package se.lantz.gui;
+
+import javax.swing.SwingWorker;
+
+import se.lantz.model.MainViewModel;
+import se.lantz.util.ExceptionHandler;
+import se.lantz.util.FileManager;
+
+public class DeleteWorker extends SwingWorker<Void, String>
+{
+  private DeleteProgressDialog dialog;
+  private boolean deleteAll;
+  private MainViewModel model;
+
+  public DeleteWorker(DeleteProgressDialog dialog, boolean deleteAll, MainViewModel model)
+  {
+    this.deleteAll = deleteAll;
+    this.dialog = dialog;
+    this.model = model;
+  }
+
+  @Override
+  protected Void doInBackground() throws Exception
+  {
+    if (deleteAll)
+    {
+      model.deleteAllGames();
+      FileManager.deleteAllFolderContent();
+    }
+    else
+    {
+      model.deleteAllGamesInCurrentView();
+    }
+    return null;
+  }
+
+  @Override
+  protected void done()
+  {
+    try
+    {
+      get();
+    }
+    catch (Exception e)
+    {
+      ExceptionHandler.handleException(e, "Error when deleting");
+    }
+    dialog.finish();
+    if (deleteAll)
+    {
+      //Trigger a reload of game views
+      model.reloadGameViews();
+      MainWindow.getInstance().selectViewAfterRestore();
+    }
+    MainWindow.getInstance().getMainPanel().repaintAfterModifications();
+  }
+}

src/main/java/se/lantz/gui/MenuManager.java

@@ -483,12 +483,7 @@ public class MenuManager
       {
         backupDb();
       }
-      MainWindow.getInstance().getMainPanel().clearGameListSelection();
-      uiModel.deleteAllGames();
-      FileManager.deleteAllFolderContent();
-      //Trigger a reload of game views
-      uiModel.reloadGameViews();
-      MainWindow.getInstance().selectViewAfterRestore();
+      startDeleteProgress(true);      
     }
   }
 
@@ -500,7 +495,7 @@ public class MenuManager
     }
     else
     {
-      DeleteDialog dialog = new DeleteDialog(true);
+      DeleteDialog dialog = new DeleteDialog(false);
       dialog.pack();
       dialog.setLocationRelativeTo(MainWindow.getInstance());
       if (dialog.showDialog())
@@ -509,12 +504,21 @@ public class MenuManager
         {
           backupDb();
         }
-        MainWindow.getInstance().getMainPanel().clearGameListSelection();
-        uiModel.deleteAllGamesInCurrentView();
-        MainWindow.getInstance().getMainPanel().repaintAfterModifications();
+        startDeleteProgress(false);
       }
     }
   }
+  
+  private void startDeleteProgress(boolean deleteAll)
+  {
+    MainWindow.getInstance().getMainPanel().clearGameListSelection();
+    DeleteProgressDialog delDialog = new DeleteProgressDialog(MainWindow.getInstance());
+    delDialog.pack();
+    delDialog.setLocationRelativeTo(MainWindow.getInstance());
+    DeleteWorker worker = new DeleteWorker(delDialog, deleteAll, uiModel);
+    worker.execute();
+    delDialog.setVisible(true);
+  }
 
   private void convertScreens()
   {