Java tutorial
/******************************************************************************* * Copyright (c) 2016 Red Hat. * 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 - Initial Contribution *******************************************************************************/ package org.eclipse.linuxtools.internal.docker.ui.wizards; import java.util.ArrayList; import java.util.List; import org.eclipse.core.databinding.DataBindingContext; import org.eclipse.core.databinding.beans.BeanProperties; import org.eclipse.core.databinding.observable.value.IObservableValue; import org.eclipse.jface.databinding.viewers.ViewerProperties; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ComboViewer; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.WizardPage; import org.eclipse.linuxtools.docker.core.AbstractRegistry; import org.eclipse.linuxtools.docker.core.IRegistry; import org.eclipse.linuxtools.docker.core.IRegistryAccount; import org.eclipse.linuxtools.internal.docker.core.RegistryAccountManager; import org.eclipse.linuxtools.internal.docker.core.RegistryInfo; import org.eclipse.linuxtools.internal.docker.ui.SWTImagesFactory; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Link; /** * Base {@link WizardPage} for {@link ImagePushPage} and {@link ImagePullPage} * * @param <M> * the type of model associated with this {@link WizardPage} */ public abstract class ImagePullPushPage<M extends ImagePullPushPageModel> extends WizardPage { protected final DataBindingContext dbc; protected final String DOCKER_DAEMON_DEFAULT = AbstractRegistry.DOCKERHUB_REGISTRY; private final M model; /** * Constructor. * * @param pageName * the name of the page * @param title * the title of the page * @param model * the databinding model associated with this page * */ public ImagePullPushPage(final String pageName, final String title, final M model) { super(pageName, title, SWTImagesFactory.DESC_BANNER_REPOSITORY); setMessage(WizardMessages.getString("ImagePull.desc")); //$NON-NLS-1$ this.dbc = new DataBindingContext(); this.model = model; } M getModel() { return this.model; } @SuppressWarnings("unchecked") IObservableValue<IRegistry> createRegistrySelectionControls(Composite parent) { // registry selection final Label accountLabel = new Label(parent, SWT.NULL); accountLabel.setText(WizardMessages.getString("ImagePullPushPage.registry.account.label")); //$NON-NLS-1$ GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(false, false).applyTo(accountLabel); final Combo registryAccountCombo = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY); registryAccountCombo.setToolTipText(WizardMessages.getString("ImagePullPushPage.registry.account.desc")); //$NON-NLS-1$ GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(registryAccountCombo); final ComboViewer registryAccountComboViewer = new ComboViewer(registryAccountCombo); registryAccountComboViewer.setContentProvider(ArrayContentProvider.getInstance()); registryAccountComboViewer.setLabelProvider(new RegistryAccountLabelProvider()); final List<IRegistry> allRegistryAccounts = getRegistryAccounts(); registryAccountComboViewer.setInput(allRegistryAccounts); if (!allRegistryAccounts.isEmpty()) { getModel().setSelectedRegistry(allRegistryAccounts.get(0)); } final IObservableValue<IRegistry> registryAccountObservable = BeanProperties .value(ImagePushPageModel.class, ImagePullPushPageModel.SELECTED_REGISTRY).observe(model); dbc.bindValue(ViewerProperties.singleSelection().observe(registryAccountComboViewer), registryAccountObservable); // link to add registries and accounts final Link addRegistryLink = new Link(parent, SWT.NONE); addRegistryLink.setText(WizardMessages.getString("ImagePullPushPage.add.link")); //$NON-NLS-1$ GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.CENTER).grab(true, false).applyTo(addRegistryLink); addRegistryLink.addSelectionListener(onAddRegistry(registryAccountComboViewer)); return registryAccountObservable; } private SelectionListener onAddRegistry(final ComboViewer registryAccountComboViewer) { return new SelectionAdapter() { @Override public void widgetSelected(final SelectionEvent e) { final RegistryAccountDialog dialog = new RegistryAccountDialog(getShell(), WizardMessages.getString("ImagePullPushPage.addregistry.title"), //$NON-NLS-1$ AbstractRegistry.DOCKERHUB_REGISTRY, WizardMessages.getString("RegistryAccountDialog.add.explanation")); ///$NON-NLS-1$ if (dialog.open() == Window.OK) { RegistryAccountManager.getInstance().add(dialog.getSignonInformation()); final List<IRegistry> updatedRegistryAccounts = getRegistryAccounts(); registryAccountComboViewer.setInput(updatedRegistryAccounts); // set selection on the newly created registry model.setSelectedRegistry(dialog.getSignonInformation()); } } }; } /** * @return all existing {@link IRegistryAccount} plus an entry at the first * position for the registry configured in the selected Docker * daemon. */ protected List<IRegistry> getRegistryAccounts() { final List<IRegistry> accounts = new ArrayList<>(RegistryAccountManager.getInstance().getAccounts()); accounts.add(0, new RegistryInfo(DOCKER_DAEMON_DEFAULT, true)); return accounts; } static final class RegistryAccountLabelProvider extends ColumnLabelProvider { @Override public String getText(Object element) { if (element instanceof IRegistryAccount) { final IRegistryAccount registryAccount = (IRegistryAccount) element; final StringBuilder textBuilder = new StringBuilder(); // only display account username if it is set. if (registryAccount.getUsername() != null) { textBuilder.append(registryAccount.getUsername()).append('@'); // $NON-NLS-1$ } textBuilder.append(registryAccount.getServerAddress()); return textBuilder.toString(); } else if (element instanceof IRegistry) { final IRegistry registry = (IRegistry) element; return registry.getServerAddress(); } return null; } } }