Java tutorial
/******************************************************************************* * Copyright (c) 2011 Red Hat Inc. and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Red Hat Inc. - initial API and implementation *******************************************************************************/ package org.fedoraproject.eclipse.packager.internal.ui; import java.net.URL; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; 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.Event; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Link; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.browser.IWorkbenchBrowserSupport; import org.fedoraproject.eclipse.packager.FedoraPackagerText; /** * Select the type of maintainers if a user is a new maintainer she can go * through steps of the process from within the wizard * */ public class LocalFedoraPackagerPageTwo extends WizardPage { private Group grpAccount; private Button btnNewMaintainer; private Button btnExistingMaintainer; private Label lblTextFAS; private Link linkIntroduce; private Link linkInitial; private Link linkBugzilla; private Link linkFAS; private Text textFAS; /** * Create the wizard. * * @param pageName */ public LocalFedoraPackagerPageTwo(String pageName) { super(pageName); setTitle(FedoraPackagerText.LocalFedoraPackagerWizardPage_title); setDescription(FedoraPackagerText.LocalFedoraPackagerWizardPage_description); setImageDescriptor( ImageDescriptor.createFromFile(getClass(), FedoraPackagerText.LocalFedoraPackagerWizardPage_image)); } /** * Create contents of the wizard. * * @param parent */ @Override public void createControl(Composite parent) { Composite container = new Composite(parent, SWT.NULL); GridLayout layout = new GridLayout(1, false); container.setLayout(layout); grpAccount = new Group(container, SWT.NONE); grpAccount.setLayout(new GridLayout(3, false)); GridData layoutData = new GridData(GridData.FILL_HORIZONTAL); grpAccount.setLayoutData(layoutData); grpAccount.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_grpAccountSetup); btnExistingMaintainer = new Button(grpAccount, SWT.RADIO); btnExistingMaintainer.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_btnRadioExistMaintainer); layoutData = new GridData(); layoutData.horizontalSpan = 3; btnExistingMaintainer.setLayoutData(layoutData); btnExistingMaintainer.setSelection(true); btnNewMaintainer = new Button(grpAccount, SWT.RADIO); btnNewMaintainer.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_btnRadioNewMaintainer); layoutData = new GridData(); layoutData.horizontalSpan = 3; btnNewMaintainer.setLayoutData(layoutData); linkFAS = new Link(grpAccount, SWT.NONE); linkFAS.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_linkFAS); setLayout(linkFAS); lblTextFAS = new Label(grpAccount, SWT.NONE); lblTextFAS.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_lblTextFAS); layoutData = new GridData(); layoutData.horizontalIndent = 45; lblTextFAS.setLayoutData(layoutData); textFAS = new Text(grpAccount, SWT.BORDER | SWT.SINGLE); layoutData = new GridData(); layoutData.horizontalSpan = 2; layoutData.widthHint = 100; textFAS.setLayoutData(layoutData); linkBugzilla = new Link(grpAccount, SWT.NONE); linkBugzilla.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_linkBugzilla); setLayout(linkBugzilla); linkInitial = new Link(grpAccount, SWT.NONE); linkInitial.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_linkInitial); setLayout(linkInitial); linkIntroduce = new Link(grpAccount, SWT.NONE); linkIntroduce.setText(FedoraPackagerText.LocalFedoraPackagerPageTwo_linkIntroduce); setLayout(linkIntroduce); addListener(linkFAS, FedoraPackagerText.LocalFedoraPackagerPageTwo_urlFAS); addListener(linkBugzilla, FedoraPackagerText.LocalFedoraPackagerPageTwo_urlBugzilla); addListener(linkInitial, FedoraPackagerText.LocalFedoraPackagerPageTwo_urlInitial); addListener(linkIntroduce, FedoraPackagerText.LocalFedoraPackagerPageTwo_urlIntroduce); btnNewMaintainer.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { selectControl(); } }); btnExistingMaintainer.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { setPageComplete(checkPageComplete()); } }); textFAS.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { setPageComplete(checkPageComplete()); } }); selectControl(); setPageComplete(checkPageComplete()); setControl(container); } private void addListener(Link link, final String url) { link.addListener(SWT.Selection, new Listener() { @Override public void handleEvent(Event event) { try { IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport(); support.getExternalBrowser().openURL(new URL(url)); } catch (Exception e) { } } }); } /** * Sets the enabled properties based on the selected button */ protected void selectControl() { if (btnNewMaintainer.getSelection()) { linkBugzilla.setEnabled(true); linkFAS.setEnabled(true); linkInitial.setEnabled(true); linkIntroduce.setEnabled(true); textFAS.setEnabled(true); lblTextFAS.setEnabled(true); } else { linkBugzilla.setEnabled(false); linkFAS.setEnabled(false); linkInitial.setEnabled(false); linkIntroduce.setEnabled(false); textFAS.setEnabled(false); lblTextFAS.setEnabled(false); } } /** * Sets the layout for Link widgets * * @param Link */ private void setLayout(Link link) { GridData layout = new GridData(); layout.horizontalIndent = 20; layout.horizontalSpan = 3; link.setLayoutData(layout); } /** * Check if the page is ready to move to the next page * * @return boolean */ private boolean checkPageComplete() { return (btnExistingMaintainer.getSelection()) || (textFAS.getText().length() > 0); } }