Source Code : List Demo

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List Demo

import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;


public class SWTListDemo {
    public static void main (String [] args) {
      Display display = new Display ();
      final Shell shell = new Shell (display);
      Label label = new Label (shell, SWT.WRAP);
      label.setText ("This is a long text string that will wrap when the dialog is resized.");
      List list = new List (shell, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
      list.setItems (new String [] {"Item 1", "Item2"});
      Button button1 = new Button (shell, SWT.PUSH);
      button1.setText ("Ok");
      Button button2 = new Button (shell, SWT.PUSH);
      button2.setText ("Cancel");
      
      final int insetX = 4, insetY = 4;
      FormLayout formLayout = new FormLayout ();
      formLayout.marginWidth = insetX;
      formLayout.marginHeight = insetY;
      shell.setLayout (formLayout);
      
      Point size = label.computeSize (SWT.DEFAULT, SWT.DEFAULT);
      final FormData labelData = new FormData (size.x, SWT.DEFAULT);
      labelData.left = new FormAttachment (0, 0);
      labelData.right = new FormAttachment (100, 0);
      label.setLayoutData (labelData);
      shell.addListener (SWT.Resize, new Listener () {
        public void handleEvent (Event e) {
          Rectangle rect = shell.getClientArea ();
          labelData.width = rect.width - insetX * 2;
          shell.layout ();
        }
      });
        
      FormData button2Data = new FormData ();
      button2Data.right = new FormAttachment (100, -insetX);
      button2Data.bottom = new FormAttachment (100, 0);
      button2.setLayoutData (button2Data);
      
      FormData button1Data = new FormData ();
      button1Data.right = new FormAttachment (button2, -insetX);
      button1Data.bottom = new FormAttachment (100, 0);
      button1.setLayoutData (button1Data);
      
      FormData listData = new FormData ();
      listData.left = new FormAttachment (0, 0);
      listData.right = new FormAttachment (100, 0);
      listData.top = new FormAttachment (label, insetY);
      listData.bottom = new FormAttachment (button2, -insetY);
      list.setLayoutData (listData);
      
      shell.pack ();
      shell.open ();
      while (!shell.isDisposed ()) {
        if (!display.readAndDispatch ()) display.sleep ();
      }
      display.dispose ();
    }
} 



           
       

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