public class BrowserDisplay { private static final String AT_REST = "Ready";
public void run(String location) { Display display = new Display(); Shell shell = new Shell(display); shell.setText("Browser display message"); createContents(shell, location); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } display.dispose(); }
//create main window content // maintain param for location
public void createContents(Shell shell, String location) { shell.setLayout(new FormLayout());
// Create the composite to hold the buttons and text field Composite controls = new Composite(shell, SWT.NONE); FormData data = new FormData(); data.top = new FormAttachment(0, 0); data.left = new FormAttachment(0, 0); data.right = new FormAttachment(100, 0); controls.setLayoutData(data);
// Create the status bar Label status = new Label(shell, SWT.NONE); data = new FormData(); data.left = new FormAttachment(0, 0); data.right = new FormAttachment(100, 0); data.bottom = new FormAttachment(100, 0); status.setLayoutData(data);
// Create the web browser final Browser browser = new Browser(shell, SWT.BORDER); data = new FormData(); data.top = new FormAttachment(controls); data.bottom = new FormAttachment(status); data.left = new FormAttachment(0, 0); data.right = new FormAttachment(100, 0); browser.setLayoutData(data);
// Create the controls and wire them to the browser controls.setLayout(new GridLayout(7, false));
// Create the back button Button button = new Button(controls, SWT.PUSH); button.setText("Back"); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { browser.back(); } });
// Create the forward button button = new Button(controls, SWT.PUSH); button.setText("Forward"); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { browser.forward(); } });
// Create the refresh button button = new Button(controls, SWT.PUSH); button.setText("Refresh"); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { browser.refresh(); } });
August 30, 2008 at 7:54 PM
// Create the stop button button = new Button(controls, SWT.PUSH); button.setText("Stop"); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { browser.stop(); } });
// Create the address entry field and set focus to it final Text url = new Text(controls, SWT.BORDER); url.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); url.setFocus();
// Create the go button button = new Button(controls, SWT.PUSH); button.setText("Go"); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { browser.setUrl(url.getText()); } });
// Create the animated "throbber" Label throbber = new Label(controls, SWT.NONE); throbber.setText(AT_REST);
// Allow users to hit enter to go to the typed URL shell.setDefaultButton(button);
// Go to the initial URL if (location != null) { browser.setUrl(location); } }
//This class implements a CloseWindowListener for BrowserDisplay
class AdvancedCloseWindowListener implements CloseWindowListener {
// Called when the parent window should be closed
public void close(WindowEvent event) { // Close the parent window ((Browser) event.widget).getShell().close(); } }
//This class implements a LocationListener for BrowserDisplay
class AdvancedLocationListener implements LocationListener { // The address text box to update private Text location;
//Constructs an AdvancedLocationListener
public AdvancedLocationListener(Text text) { // Store the address box for updates location = text; }
public void changing(LocationEvent event) { // Show the location that's loading location.setText("Loading " + event.location + "..."); }
public void changed(LocationEvent event) { // Show the loaded location location.setText(event.location); } }
August 30, 2008 at 7:55 PM
class AdvancedProgressListener implements ProgressListener { // The label on which to report progress private Label progress;
public AdvancedProgressListener(Label label) { // Store the label on which to report updates progress = label; }
public void changed(ProgressEvent event) { if (event.total != 0) { int percent = (int) (event.current / event.total); progress.setText(percent + "%"); } else { progress.setText("???"); } }
public void completed(ProgressEvent event) { progress.setText(AT_REST); } }
class AdvancedStatusTextListener implements StatusTextListener { // The label on which to report status private Label status;
public AdvancedStatusTextListener(Label label) { // Store the label on which to report status status = label; }
public void changed(StatusTextEvent event) { // Report the status status.setText(event.text); } }
public static void main(String[] args) { new BrowserDisplay().run(args.length == 0 ? null : args[0]); } }
----------------------------------
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