IDEA-237293 GUI Designer unable to preview form because of FormPreviewFrame.class missing

GitOrigin-RevId: cbeff27984e82623db4cb171e363d0ae067d3ff3
2026-01-08 06:39:38 +07:00 · 2020-04-10 20:58:17 +03:00
parent 964e4103fb
commit 5524a5cee1
1 changed files with 103 additions and 0 deletions
--- a/java/java-runtime/src/com/intellij/uiDesigner/FormPreviewFrame.java
+++ b/java/java-runtime/src/com/intellij/uiDesigner/FormPreviewFrame.java
@@ -0,0 +1,103 @@
+// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.intellij.uiDesigner;
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.text.MessageFormat;
+import java.util.ResourceBundle;
+
+// NOTE: DO NOT DELETE THIS FILE (See to PreviewFormAction)
+
+public class FormPreviewFrame {
+  private JComponent myComponent;
+  private static final ResourceBundle ourBundle = ResourceBundle.getBundle("RuntimeBundle");
+
+  // Note: this class should not be obfuscated
+
+  public static void main(String[] args) {
+    FormPreviewFrame f = new FormPreviewFrame();
+
+    JFrame frame = new JFrame(ourBundle.getString("form.preview.title"));
+    frame.setContentPane(f.myComponent);
+    frame.setDefaultCloseOperation(3); //WindowConstants.EXIT_ON_CLOSE is not presented in JDK 1.3
+
+    // Add menu bar
+    final JMenuBar menuBar = new JMenuBar();
+    frame.setJMenuBar(menuBar);
+
+    final JMenu menuFile = new JMenu(ourBundle.getString("form.menu.preview"));
+    menuFile.setMnemonic(ourBundle.getString("form.menu.preview.mnemonic").charAt(0));
+    menuFile.add(new JMenuItem(new MyPackAction(frame)));
+    menuFile.add(new JMenuItem(new MyExitAction()));
+    menuBar.add(menuFile);
+
+    final JMenu viewMenu = new JMenu(ourBundle.getString("form.menu.laf"));
+    viewMenu.setMnemonic(ourBundle.getString("form.menu.laf.mnemonic").charAt(0));
+    menuBar.add(viewMenu);
+
+    final UIManager.LookAndFeelInfo[] lafs = UIManager.getInstalledLookAndFeels();
+    for(int i = 0; i < lafs.length; i++){
+      viewMenu.add(new MySetLafAction(frame, lafs[i]));
+    }
+
+    frame.pack();
+    Rectangle screenBounds =
+      GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration().getBounds();
+    frame.setLocation(screenBounds.x + (screenBounds.width - frame.getWidth()) / 2,
+                      screenBounds.y + (screenBounds.height - frame.getHeight()) / 2);
+    frame.setVisible(true);
+  }
+
+  private static final class MyExitAction extends AbstractAction{
+    MyExitAction() {
+      super(ourBundle.getString("form.menu.file.exit"));
+    }
+
+    public void actionPerformed(final ActionEvent e) {
+      System.exit(0);
+    }
+  }
+
+  private static final class MyPackAction extends AbstractAction{
+    private final JFrame myFrame;
+
+    MyPackAction(final JFrame frame) {
+      super(ourBundle.getString("form.menu.view.pack"));
+      myFrame = frame;
+    }
+
+    public void actionPerformed(final ActionEvent e) {
+      myFrame.pack();
+    }
+  }
+
+  private static final class MySetLafAction extends AbstractAction{
+    private final JFrame myFrame;
+    private final UIManager.LookAndFeelInfo myInfo;
+
+    MySetLafAction(final JFrame frame, final UIManager.LookAndFeelInfo info) {
+      super(info.getName());
+      myFrame = frame;
+      myInfo = info;
+    }
+
+    public void actionPerformed(ActionEvent e) {
+      try{
+        UIManager.setLookAndFeel(myInfo.getClassName());
+        SwingUtilities.updateComponentTreeUI(myFrame);
+        Dimension prefSize = myFrame.getPreferredSize();
+        if(prefSize.width > myFrame.getWidth() || prefSize.height > myFrame.getHeight()){
+          myFrame.pack();
+        }
+      }
+      catch(Exception exc){
+        JOptionPane.showMessageDialog(
+          myFrame,
+          MessageFormat.format(ourBundle.getString("error.cannot.change.look.feel"), new Object[] {exc.getMessage()}),
+          ourBundle.getString("error.title"),
+          JOptionPane.ERROR_MESSAGE
+        );
+      }
+    }
+  }
+}