Exclude a widget from a GridLayout : Layout « SWT JFace Eclipse « Java

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Java » SWT JFace Eclipse » Layout 




Exclude a widget from a GridLayout
Exclude a widget from a GridLayout



import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;

/*
 * Exclude a widget from a GridLayout
 
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */

public class Snippet175 {

  public static void main(String[] args) {

    Display display = new Display();
    final Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(3false));

    Button b = new Button(shell, SWT.PUSH);
    b.setText("Button 0");

    final Button bHidden = new Button(shell, SWT.PUSH);
    bHidden.setText("Button 1");
    GridData data = new GridData();
    data.exclude = true;
    data.horizontalSpan = 2;
    data.horizontalAlignment = SWT.FILL;
    bHidden.setLayoutData(data);

    b = new Button(shell, SWT.PUSH);
    b.setText("Button 2");
    b = new Button(shell, SWT.PUSH);
    b.setText("Button 3");
    b = new Button(shell, SWT.PUSH);
    b.setText("Button 4");

    b = new Button(shell, SWT.CHECK);
    b.setText("hide");
    b.setSelection(true);
    b.addListener(SWT.Selection, new Listener() {
      public void handleEvent(Event e) {
        Button b = (Buttone.widget;
        GridData data = (GridDatabHidden.getLayoutData();
        data.exclude = b.getSelection();
        bHidden.setVisible(!data.exclude);
        shell.layout(false);
      }
    });
    shell.setSize(400400);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch())
        display.sleep();
    }
    display.dispose();
  }
}

           
       














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