Merge branch 'features/JAL-4071_visibleFeaturesCounter' into features/JAL-3417_sdppre...

[jalview.git] / src / jalview / jbgui / APQHandlers.java

diff --git a/src/jalview/jbgui/APQHandlers.java b/src/jalview/jbgui/APQHandlers.java
new file mode 100644 (file)
index 0000000..1a7e971
--- /dev/null
+++ b/src/jalview/jbgui/APQHandlers.java
@@ -0,0 +1,109 @@
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.jbgui;
+
+import javax.swing.JFrame;
+import javax.swing.JOptionPane;
+
+import com.formdev.flatlaf.extras.FlatDesktop;
+import com.formdev.flatlaf.extras.FlatDesktop.Action;
+
+import jalview.util.MessageManager;
+import jalview.util.Platform;
+
+public class APQHandlers
+{
+  public static boolean setAbout = false;
+
+  public static boolean setPreferences = false;
+
+  public static boolean setQuit = false;
+
+  public static boolean setAPQHandlers(GDesktop desktop)
+  {
+    if (Platform.isJS())
+    {
+      return false;
+    }
+    if (FlatDesktop.isSupported(Action.APP_ABOUT))
+    {
+      FlatDesktop.setAboutHandler(() -> {
+        desktop.aboutMenuItem_actionPerformed(null);
+      });
+      setAbout = true;
+    }
+    if (FlatDesktop.isSupported(Action.APP_PREFERENCES))
+    {
+      FlatDesktop.setPreferencesHandler(() -> {
+        desktop.preferences_actionPerformed(null);
+      });
+      setPreferences = true;
+    }
+    if (FlatDesktop.isSupported(Action.APP_QUIT_HANDLER))
+    {
+      FlatDesktop.setQuitHandler(response -> {
+        boolean confirmQuit = jalview.bin.Cache.getDefault(
+                jalview.gui.Desktop.CONFIRM_KEYBOARD_QUIT, true);
+        boolean canQuit = !confirmQuit;
+        int n;
+        if (confirmQuit)
+        {
+          // ensure Jalview window is brought to front for Quit confirmation
+          // window to be visible
+
+          // this method of raising the Jalview window is broken in java
+          // jalviewDesktop.setVisible(true);
+          // jalviewDesktop.toFront();
+
+          // a better hack which works instead
+          JFrame dialogParent = new JFrame();
+          dialogParent.setAlwaysOnTop(true);
+
+          n = JOptionPane.showConfirmDialog(dialogParent,
+                  MessageManager.getString("label.quit_jalview"),
+                  MessageManager.getString("action.quit"),
+                  JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE,
+                  null);
+
+          dialogParent.setAlwaysOnTop(false);
+          dialogParent.dispose();
+        }
+        else
+        {
+          n = JOptionPane.OK_OPTION;
+        }
+        canQuit = (n == JOptionPane.OK_OPTION);
+        if (canQuit)
+        {
+          response.performQuit();
+        }
+        else
+        {
+          response.cancelQuit();
+        }
+      });
+      setQuit = true;
+    }
+    // if we got to here, no exceptions occurred when we set the handlers.
+    return setAbout || setPreferences || setQuit;
+  }
+
+}