DialogClass.java Source code

Introduction

Here is the source code for DialogClass.java

Source

import org.eclipse.swt.SWT;
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.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

public class DialogClass {
    static boolean deleteFlag = false;

    public static void main(String[] args) {
        Display display = new Display();
        Shell shell = new Shell(display);
        shell.setText("Dialog Example");
        shell.setSize(300, 200);
        shell.open();

        final Button button = new Button(shell, SWT.PUSH);
        button.setText("Delete File");
        button.setBounds(20, 40, 80, 25);

        final Text text = new Text(shell, SWT.SHADOW_IN);
        text.setBounds(140, 40, 100, 25);

        final Shell dialog = new Shell(shell, SWT.APPLICATION_MODAL | SWT.DIALOG_TRIM);
        dialog.setText("Delete File");
        dialog.setSize(250, 150);

        final Button buttonOK = new Button(dialog, SWT.PUSH);
        buttonOK.setText("OK");
        buttonOK.setBounds(20, 55, 80, 25);

        Button buttonCancel = new Button(dialog, SWT.PUSH);
        buttonCancel.setText("Cancel");
        buttonCancel.setBounds(120, 55, 80, 25);

        final Label label = new Label(dialog, SWT.NONE);
        label.setText("Delete the file?");
        label.setBounds(20, 15, 100, 20);

        Listener listener = new Listener() {
            public void handleEvent(Event event) {
                if (event.widget == buttonOK) {
                    deleteFlag = true;
                } else {
                    deleteFlag = false;
                }
                dialog.close();
            }
        };

        buttonOK.addListener(SWT.Selection, listener);
        buttonCancel.addListener(SWT.Selection, listener);

        Listener buttonListener = new Listener() {
            public void handleEvent(Event event) {
                dialog.open();
            }
        };

        button.addListener(SWT.Selection, buttonListener);

        while (!dialog.isDisposed()) {
            if (!display.readAndDispatch())
                display.sleep();
        }

        if (deleteFlag) {
            text.setText("File deleted.");
        } else {
            text.setText("File not deleted.");
        }

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