Attachment 77572 Details for Bug 202055 – Interactive Splash Handler Template

Interactive Splash Handler Template

InteractiveSplashHandler.java (text/plain), 6.82 KB, created by Stefan Lötscher

on 2007-09-03 04:43:04 EDT

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Filename:

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Creator: Stefan Lötscher

Created: 2007-09-03 04:43:04 EDT

Size: 6.82 KB

patch

obsolete

>
>package org.eclipse.ui.examples.rcp.mail.splashHandlers;
>
>import org.eclipse.jface.dialogs.MessageDialog;
>import org.eclipse.swt.SWT;
>import org.eclipse.swt.events.SelectionAdapter;
>import org.eclipse.swt.events.SelectionEvent;
>import org.eclipse.swt.layout.FillLayout;
>import org.eclipse.swt.layout.GridData;
>import org.eclipse.swt.layout.GridLayout;
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Composite;
>import org.eclipse.swt.widgets.Label;
>import org.eclipse.swt.widgets.Shell;
>import org.eclipse.swt.widgets.Text;
>import org.eclipse.ui.splash.AbstractSplashHandler;
>
>/**
> * @since 3.3
> * 
> */
>public class InteractiveSplashHandler extends AbstractSplashHandler {
>	
>	private final static int F_LABEL_HORIZONTAL_INDENT = 175;
>
>	private final static int F_BUTTON_WIDTH_HINT = 80;
>
>	private final static int F_TEXT_WIDTH_HINT = 175;
>	
>	private final static int F_COLUMN_COUNT = 3;
>	
>	private Composite fCompositeLogin;
>	
>	private Text fTextUsername;
>	
>	private Text fTextPassword;
>	
>	private Button fButtonOK;
>	
>	private Button fButtonCancel;
>	
>	private boolean fAuthenticated;
>	
>	/**
>	 * 
>	 */
>	public InteractiveSplashHandler() {
>		fCompositeLogin = null;
>		fTextUsername = null;
>		fTextPassword = null;
>		fButtonOK = null;
>		fButtonCancel = null;
>		fAuthenticated = false;
>	}
>	
>	/*
>	 * (non-Javadoc)
>	 * 
>	 * @see org.eclipse.ui.splash.AbstractSplashHandler#init(org.eclipse.swt.widgets.Shell)
>	 */
>	public void init(final Shell splash) {
>		// Store the shell
>		super.init(splash);
>		// Configure the shell layout
>		configureUISplash();
>		// Create UI
>		createUI();		
>		// Create UI listeners
>		createUIListeners();
>		// Force the splash screen to layout
>		splash.layout(true);
>		// Keep the splash screen visible and prevent the RCP application from 
>		// loading until the close button is clicked.
>		doEventLoop();
>	}
>	
>	/**
>	 * 
>	 */
>	private void doEventLoop() {
>		Shell splash = getSplash();
>		while (fAuthenticated == false) {
>			if (splash.getDisplay().readAndDispatch() == false) {
>				splash.getDisplay().sleep();
>			}
>		}
>	}
>
>	/**
>	 * 
>	 */
>	private void createUIListeners() {
>		// Create the OK button listeners
>		createUIListenersButtonOK();
>		// Create the cancel button listeners
>		createUIListenersButtonCancel();
>	}
>
>	/**
>	 * 
>	 */
>	private void createUIListenersButtonCancel() {
>		fButtonCancel.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>				handleButtonCancelWidgetSelected();
>			}
>		});		
>	}
>
>	/**
>	 * 
>	 */
>	private void handleButtonCancelWidgetSelected() {
>		// Abort the loading of the RCP application
>		getSplash().getDisplay().close();
>		System.exit(0);		
>	}
>	
>	/**
>	 * 
>	 */
>	private void createUIListenersButtonOK() {
>		fButtonOK.addSelectionListener(new SelectionAdapter() {
>			public void widgetSelected(SelectionEvent e) {
>				handleButtonOKWidgetSelected();
>			}
>		});				
>	}
>
>	/**
>	 * 
>	 */
>	private void handleButtonOKWidgetSelected() {
>		String username = fTextUsername.getText();
>		String password = fTextPassword.getText();
>		// Aunthentication is successful if a user provides any username and
>		// any password
>		if ((username.length() > 0) &&
>				(password.length() > 0)) {
>			fAuthenticated = true;
>		} else {
>			MessageDialog.openError(
>					getSplash(),
>					"Authentication Failed",  //NON-NLS-1
>					"A username and password must be specified to login.");  //NON-NLS-1
>		}
>	}
>	
>	/**
>	 * 
>	 */
>	private void createUI() {
>		// Create the login panel
>		createUICompositeLogin();
>		// Create the blank spanner
>		createUICompositeBlank();
>		// Create the user name label
>		createUILabelUserName();
>		// Create the user name text widget
>		createUITextUserName();
>		// Create the password label
>		createUILabelPassword();
>		// Create the password text widget
>		createUITextPassword();
>		// Create the blank label
>		createUILabelBlank();
>		// Create the OK button
>		createUIButtonOK();
>		// Create the cancel button
>		createUIButtonCancel();
>	}		
>	
>	/**
>	 * 
>	 */
>	private void createUIButtonCancel() {
>		// Create the button
>		fButtonCancel = new Button(fCompositeLogin, SWT.PUSH);
>		fButtonCancel.setText("Cancel"); //NON-NLS-1
>		// Configure layout data
>		GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
>		data.widthHint = F_BUTTON_WIDTH_HINT;	
>		data.verticalIndent = 10;
>		fButtonCancel.setLayoutData(data);
>	}
>
>	/**
>	 * 
>	 */
>	private void createUIButtonOK() {
>		// Create the button
>		fButtonOK = new Button(fCompositeLogin, SWT.PUSH);
>		fButtonOK.setText("OK"); //NON-NLS-1
>		// Configure layout data
>		GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
>		data.widthHint = F_BUTTON_WIDTH_HINT;
>		data.verticalIndent = 10;
>		fButtonOK.setLayoutData(data);
>	}
>
>	/**
>	 * 
>	 */
>	private void createUILabelBlank() {
>		Label label = new Label(fCompositeLogin, SWT.NONE);
>		label.setVisible(false);
>	}
>
>	/**
>	 * 
>	 */
>	private void createUITextPassword() {
>		// Create the text widget
>		int style = SWT.PASSWORD | SWT.BORDER;
>		fTextPassword = new Text(fCompositeLogin, style);
>		// Configure layout data
>		GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
>		data.widthHint = F_TEXT_WIDTH_HINT;
>		data.horizontalSpan = 2;
>		fTextPassword.setLayoutData(data);		
>	}
>
>	/**
>	 * 
>	 */
>	private void createUILabelPassword() {
>		// Create the label
>		Label label = new Label(fCompositeLogin, SWT.NONE);
>		label.setText("&Password:"); //NON-NLS-1
>		// Configure layout data
>		GridData data = new GridData();
>		data.horizontalIndent = F_LABEL_HORIZONTAL_INDENT;
>		label.setLayoutData(data);					
>	}
>
>	/**
>	 * 
>	 */
>	private void createUITextUserName() {
>		// Create the text widget
>		fTextUsername = new Text(fCompositeLogin, SWT.BORDER);
>		// Configure layout data
>		GridData data = new GridData(SWT.NONE, SWT.NONE, false, false);
>		data.widthHint = F_TEXT_WIDTH_HINT;
>		data.horizontalSpan = 2;
>		fTextUsername.setLayoutData(data);		
>	}
>
>	/**
>	 * 
>	 */
>	private void createUILabelUserName() {
>		// Create the label
>		Label label = new Label(fCompositeLogin, SWT.NONE);
>		label.setText("&User Name:"); //NON-NLS-1
>		// Configure layout data
>		GridData data = new GridData();
>		data.horizontalIndent = F_LABEL_HORIZONTAL_INDENT;
>		label.setLayoutData(data);		
>	}
>
>	/**
>	 * 
>	 */
>	private void createUICompositeBlank() {
>		Composite spanner = new Composite(fCompositeLogin, SWT.NONE);
>		GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
>		data.horizontalSpan = F_COLUMN_COUNT;
>		spanner.setLayoutData(data);
>	}
>
>	/**
>	 * 
>	 */
>	private void createUICompositeLogin() {
>		// Create the composite
>		fCompositeLogin = new Composite(getSplash(), SWT.BORDER);
>		GridLayout layout = new GridLayout(F_COLUMN_COUNT, false);
>		fCompositeLogin.setLayout(layout);		
>	}
>
>	/**
>	 * 
>	 */
>	private void configureUISplash() {
>		// Configure layout
>		FillLayout layout = new FillLayout(); 
>		getSplash().setLayout(layout);
>		// Force shell to inherit the splash background
>		getSplash().setBackgroundMode(SWT.INHERIT_DEFAULT);
>	}
>	
>}

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Attachments on bug 202055: 77572