ShowError.java Source code

Introduction

Here is the source code for ShowError.java

Source

import org.eclipse.core.runtime.*;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;

/**
 * This class demonstrates JFace's ErrorDialog class
 */
public class ShowError extends ApplicationWindow {
    /**
     * ShowError constructor
     */
    public ShowError() {
        super(null);
    }

    /**
     * Runs the application
     */
    public void run() {
        // Don't return from open() until window closes
        setBlockOnOpen(true);

        // Open the main window
        open();

        // Dispose the display
        Display.getCurrent().dispose();
    }

    /**
     * Configures the shell
     * 
     * @param shell the shell
     */
    protected void configureShell(Shell shell) {
        super.configureShell(shell);

        // Set the title bar text and the size
        shell.setText("Show Error");
        shell.setSize(400, 400);
    }

    /**
     * Creates the main window's contents
     * 
     * @param parent the main window
     * @return Control
     */
    protected Control createContents(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(new GridLayout(1, false));

        // Create a big text box to accept error text
        final Text text = new Text(composite, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL);
        text.setLayoutData(new GridData(GridData.FILL_BOTH));

        // Create the button to launch the error dialog
        Button show = new Button(composite, SWT.PUSH);
        show.setText("Show Error");
        show.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent event) {
                // Create the required Status object
                Status status = new Status(IStatus.ERROR, "My Plug-in ID", 0, "Status Error Message", null);

                // Display the dialog
                ErrorDialog.openError(Display.getCurrent().getActiveShell(), "JFace Error", text.getText(), status);
            }
        });

        return composite;
    }

    /**
     * The application entry point
     * 
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        new ShowError().run();
    }
}