Snippet104.java Source code

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Here is the source code for Snippet104.java

Source

/*
 * Shell example snippet: create a splash screen
 *
 * For a list of all SWT example snippets see
 * http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
 */
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
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.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.ProgressBar;
import org.eclipse.swt.widgets.Shell;

public class Snippet104 {

    public static void main(String[] args) {
        final Display display = new Display();
        final int[] count = new int[] { 4 };
        final Image image = new Image(display, 300, 300);
        final Shell splash = new Shell(SWT.ON_TOP);
        final ProgressBar bar = new ProgressBar(splash, SWT.NONE);
        bar.setMaximum(count[0]);
        Label label = new Label(splash, SWT.NONE);
        label.setImage(image);
        FormLayout layout = new FormLayout();
        splash.setLayout(layout);
        FormData labelData = new FormData();
        labelData.right = new FormAttachment(100, 0);
        labelData.bottom = new FormAttachment(100, 0);
        label.setLayoutData(labelData);
        FormData progressData = new FormData();
        progressData.left = new FormAttachment(0, 5);
        progressData.right = new FormAttachment(100, -5);
        progressData.bottom = new FormAttachment(100, -5);
        bar.setLayoutData(progressData);
        splash.pack();
        Rectangle splashRect = splash.getBounds();
        Rectangle displayRect = display.getBounds();
        int x = (displayRect.width - splashRect.width) / 2;
        int y = (displayRect.height - splashRect.height) / 2;
        splash.setLocation(x, y);
        splash.open();
        display.asyncExec(new Runnable() {
            public void run() {
                Shell[] shells = new Shell[count[0]];
                for (int i = 0; i < count[0]; i++) {
                    shells[i] = new Shell(display);
                    shells[i].setSize(300, 300);
                    shells[i].addListener(SWT.Close, new Listener() {
                        public void handleEvent(Event e) {
                            --count[0];
                        }
                    });
                    bar.setSelection(i + 1);
                    try {
                        Thread.sleep(1000);
                    } catch (Throwable e) {
                    }
                }
                splash.close();
                image.dispose();
                for (int i = 0; i < count[0]; i++) {
                    shells[i].open();
                }
            }
        });
        while (count[0] != 0) {
            if (!display.readAndDispatch())
                display.sleep();
        }
        display.dispose();
    }

}