Eclipse插件开发：SWT布局之FormLayout

FormLayout（表单布局）通过设定控件之间的偏移关系来进行布局。

import org.eclipse.swt.SWT;
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.Shell;
import org.eclipse.swt.widgets.Text;
public class FormLayoutExample {

public static void main(String[] args) {

FormData formData;

Display display = new Display();

final Shell shell = new Shell(display);

shell.setText("FormLayout Example");

shell.setBounds(100, 100, 220, 180);

shell.setLayout(new FormLayout());

Button cancelButton = new Button(shell, SWT.PUSH);

cancelButton.setText("Cancel");

formData = new FormData();

formData.right = new FormAttachment(100, -5);

formData.bottom = new FormAttachment(100, -5);

cancelButton.setLayoutData(formData);

Button okButton = new Button(shell, SWT.PUSH);

okButton.setText("OK");

formData = new FormData();

formData.right = new FormAttachment(cancelButton, -5);

formData.bottom = new FormAttachment(100, -5);

okButton.setLayoutData(formData);

Text text = new Text(shell, SWT.MULTI | SWT.BORDER);

formData = new FormData();

formData.top = new FormAttachment(0, 5);

formData.bottom = new FormAttachment(cancelButton, -5);

formData.left = new FormAttachment(0, 5);

formData.right = new FormAttachment(100, -5);

text.setLayoutData(formData);

shell.open();

while (!shell.isDisposed()) {

if (!display.readAndDispatch())

display.sleep();

}

display.dispose();

}

}