Source Code : FormLayout Complex

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FormLayout Complex

//Send questions, comments, bug reports, etc. to the authors:

//Rob Warner (rwarner@interspatial.com)
//Robert Harris (rbrt_harris@yahoo.com)

import org.eclipse.swt.widgets.*;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.SWT;

public class FormLayoutComplex {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    FormLayout layout = new FormLayout();
    shell.setLayout(layout);
    Button one = new Button(shell, SWT.PUSH);
    one.setText("One");
    FormData data = new FormData();
    data.top = new FormAttachment(0, 5);
    data.left = new FormAttachment(0, 5);
    data.bottom = new FormAttachment(50, -5);
    data.right = new FormAttachment(50, -5);
    one.setLayoutData(data);

    Composite composite = new Composite(shell, SWT.NONE);
    GridLayout gridLayout = new GridLayout();
    gridLayout.marginHeight = 0;
    gridLayout.marginWidth = 0;
    composite.setLayout(gridLayout);
    Button two = new Button(composite, SWT.PUSH);
    two.setText("two");
    GridData gridData = new GridData(GridData.FILL_BOTH);
    two.setLayoutData(gridData);
    Button three = new Button(composite, SWT.PUSH);
    three.setText("three");
    gridData = new GridData(GridData.FILL_BOTH);
    three.setLayoutData(gridData);
    Button four = new Button(composite, SWT.PUSH);
    four.setText("four");
    gridData = new GridData(GridData.FILL_BOTH);
    four.setLayoutData(gridData);
    data = new FormData();
    data.top = new FormAttachment(0, 5);
    data.left = new FormAttachment(one, 5);
    data.bottom = new FormAttachment(50, -5);
    data.right = new FormAttachment(100, -5);
    composite.setLayoutData(data);

    Button five = new Button(shell, SWT.PUSH);
    five.setText("five");
    data = new FormData();
    data.top = new FormAttachment(one, 5);
    data.left = new FormAttachment(0, 5);
    data.bottom = new FormAttachment(100, -5);
    data.right = new FormAttachment(100, -5);
    five.setLayoutData(data);

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}



           
       

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