Re: DND using XML

steve wrote:
> On Sat, 3 May 2008 19:33:49 +0800, Jeff Higgins wrote
> (in article <k7YSj.3$[YZ4.1@masked-domain]>):
>
>> http://java.sun.com/docs/books/tutorial/uiswing/dnd/index.html
>
> gosh, did you figure that out all by yourself.
>

Pretty good tutorial, don't chathink?

>
> "This section has been updated to reflect features and conventions of the
> latest release, JDK 6.0, but it is not yet final. We've published this
> preliminary version so you can get the most current information now, and 
> so
> you can tell us (please!) about errors, omissions, or improvements we can
> make to this tutorial."
>
>
> so you think the best way forward is to implement code...

Yep.

> that is not finalised yet?

So what's holding you up?  Oh, ignorance!

>
>
>
> moron!

He, he!







import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.Action;
import javax.swing.JFrame;
import javax.swing.JPopupMenu;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.text.DefaultEditorKit;
import org.apache.batik.util.gui.xmleditor.XMLTextEditor;

public class Launcher {

  public static void main(String[] args) {

    EventQueue.invokeLater(new Runnable() {
      public void run() {
        new GUI();
      }
    });
  }

  public static class GUI {

    JPopupMenu contextMenu;

    public GUI() {

      XMLTextEditor leftEditorPane =
        new XMLTextEditor();
      leftEditorPane.setPreferredSize
      (new Dimension(400, 400));

      XMLTextEditor rightEditorPane =
        new XMLTextEditor();
      rightEditorPane.setPreferredSize
      (new Dimension(400, 400));

      JScrollPane leftScrollPane =
        new JScrollPane(leftEditorPane);
      JScrollPane rightScrollPane =
        new JScrollPane(rightEditorPane);

      JSplitPane splitPane = new JSplitPane();

      splitPane.setRightComponent(rightScrollPane);
      splitPane.setLeftComponent(leftScrollPane);

      JFrame frame = new JFrame("XML DND");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setLocationByPlatform(true);

      frame.add(splitPane);

      View leftView = new View(leftEditorPane);
      [@masked-domain]("unused")
      View rightView = new View(rightEditorPane);
      leftView.setText(
          "<?xml version="1.0" encoding="UTF-8"?>n" +
          "<jackass>n" +
            "t<moron>So easy any moron can do it.</moron>n" +
            "t<moron>Well, except maybe you; har har.</moron>n" +
          "</jackass>");
      frame.pack();
      frame.setVisible(true);
    }
  }

  public static class View{

    XMLTextEditor editorPane;
    JPopupMenu contextMenu;

    public View(XMLTextEditor editorPane) {
      this.editorPane = editorPane;
      createMenu();
      ContextMenuMouseListener contextMenuMouseListener =
        new ContextMenuMouseListener();
      editorPane.addMouseListener(contextMenuMouseListener);
      editorPane.setDragEnabled(true);
    }

    public void setText(String text) {
      editorPane.setText(text);
    }

    private void createMenu() {
      Action a;
      a = editorPane.getActionMap()
      .get(DefaultEditorKit.cutAction);
      a.putValue(Action.NAME, "Cut");

      a = editorPane.getActionMap()
      .get(DefaultEditorKit.copyAction);
      a.putValue(Action.NAME, "Copy");

      a = editorPane.getActionMap()
      .get(DefaultEditorKit.pasteAction);
      a.putValue(Action.NAME, "Paste");

      a = editorPane.getActionMap()
      .get(DefaultEditorKit.selectAllAction);
      a.putValue(Action.NAME, "Select All");

      contextMenu = new JPopupMenu();
      contextMenu.add(editorPane.getActionMap()
          .get(DefaultEditorKit.cutAction));
      contextMenu.add(editorPane.getActionMap()
          .get(DefaultEditorKit.copyAction));
      contextMenu.add(editorPane.getActionMap()
          .get(DefaultEditorKit.pasteAction));
      contextMenu.add(editorPane.getActionMap()
          .get(DefaultEditorKit.selectAllAction));
    }

    class ContextMenuMouseListener
    extends MouseAdapter {
      public void mousePressed(MouseEvent e) {
        if (e.isPopupTrigger()) {
          contextMenu.show(e.getComponent(),
              e.getX(), e.getY());
        }
      }
      public void mouseReleased(MouseEvent e) {
        if (e.isPopupTrigger()) {
          contextMenu.show(e.getComponent(),
              e.getX(), e.getY());
        }
      }
    }
  }
}