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package com.glnpu.jruby;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.jruby.Ruby;
import org.jruby.javasupport.JavaEmbedUtils;
import org.jruby.runtime.builtin.IRubyObject;

public class RunJRUBY extends Shell {

    private RunJRUBY run;
    private Text text;
    /**
     * Launch the application
     * @param args
     */
    public static void main(String args[]) {
        try {
            Display display = Display.getDefault();
            RunJRUBY shell = new RunJRUBY(display, SWT.SHELL_TRIM);
            shell.open();
            shell.layout();
            while (!shell.isDisposed()) {
                if (!display.readAndDispatch())
                    display.sleep();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Create the shell
     * @param display
     * @param style
     */
    public RunJRUBY(Display display, int style) {
        super(display, style);
        run = this;
        createContents();
    }

    /**
     * Create contents of the window
     */
    protected void createContents() {
        setText("SWT Application");
        setSize(500, 375);

        text = new Text(this, SWT.V_SCROLL | SWT.BORDER | SWT.WRAP | SWT.H_SCROLL);
        text.setBounds(0, 0, 492, 312);

        final Button button = new Button(this, SWT.NONE);
        button.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(final SelectionEvent e) {
                Ruby runtime = Ruby.getDefaultInstance();
                try {
                    //允許傳對(duì)象，作為參數(shù)給JRuby
                    IRubyObject rootRubyObject = JavaEmbedUtils.newRuntimeAdapter().eval( runtime, text.getText() );
                    JavaEmbedUtils.invokeMethod( runtime, rootRubyObject, "run", new Object[] {run}, null );
                    //不傳對(duì)象，直接運(yùn)行JRbuy
                    //runtime.evalScriptlet(text.getText());
                } catch (Exception e1) {
                    System.err.println(e1.toString());
                    e1.printStackTrace();
                }
            }
        });
        button.setText("button");
        button.setBounds(335, 326, 48, 22);
        //
    }

    @Override
    protected void checkSubclass() {
        // Disable the check that prevents subclassing of SWT components
    }

}

require 'java'
module SWTTest
  include_package 'org.eclipse.swt'
  include_package 'org.eclipse.swt.layout'
  include_package 'org.eclipse.swt.widgets'
  include_package 'org.eclipse.swt.events'
end
    class TestDialog < SWTTest::Dialog
      @shell
      @parentShell
      def initialize shell
          super(shell, SWTTest::SWT::NONE)
          @parentShell = shell
          open
      end
      def open
          createContents()
          @shell.open();
          @shell.layout();       
      end
      def createContents
          @shell = SWTTest::Shell.new(@parentShell, SWTTest::SWT::DIALOG_TRIM | SWTTest::SWT::APPLICATION_MODAL)
          @shell.setSize(500, 375);
          @shell.setText("SWT Dialog");
          button = SWTTest::Button.new(@shell, SWTTest::SWT::PUSH)
          button.setText("Test Button 1")    
          button.setBounds(147, 116, 48, 22);
      end
    end
  class TestMain
      def run shell
          TestDialog.new shell
      end
  end
  TestMain.new