Java tutorial
/******************************************************************************* * Copyright (c) 2016 Red Hat, Inc. * Distributed under license by Red Hat, Inc. All rights reserved. * This program is 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.jboss.tools.windup.ui.internal.editor.launch; import static org.jboss.tools.windup.model.domain.ConfigurationResourceUtil.getCurrentProjects; import static org.jboss.tools.windup.model.domain.WindupConstants.INPUT_CHANGED; import static org.jboss.tools.windup.ui.internal.Messages.inputProjects; import static org.jboss.tools.windup.ui.internal.Messages.inputProjectsDescription; import java.util.Arrays; import java.util.List; import javax.annotation.PreDestroy; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResourceChangeEvent; import org.eclipse.core.resources.IResourceChangeListener; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.jdt.internal.ui.viewsupport.JavaUILabelProvider; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ISelection; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.window.Window; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.ui.dialogs.ListSelectionDialog; import org.eclipse.ui.model.WorkbenchLabelProvider; import org.jboss.tools.windup.ui.internal.Messages; import org.jboss.tools.windup.ui.internal.editor.AbstractSection; import com.google.common.collect.Lists; /** * Section for configuring Windup's project input option. */ @SuppressWarnings("restriction") public class InputProjectsSection extends AbstractSection { private TableViewer table; private IResourceChangeListener listener = new IResourceChangeListener() { // TODO: This needs to be optimized. Wait until we're done prototyping. @Override public void resourceChanged(IResourceChangeEvent event) { if (table != null && !table.getTable().isDisposed()) { broker.post(INPUT_CHANGED, true); focus(); } } }; @Override protected void fillSection(Composite parent) { section.setDescription(inputProjectsDescription); createTable(parent); createButtonBar(parent); ResourcesPlugin.getWorkspace().addResourceChangeListener(listener); } private void createTable(Composite parent) { table = new TableViewer(parent, SWT.BORDER | SWT.MULTI); GridDataFactory.fillDefaults().grab(true, true).applyTo(table.getTable()); table.setLabelProvider(new WorkbenchLabelProvider()); table.setContentProvider(new ResourceContentProvider()); reloadTable(); } private void reloadTable() { IProject[] projects = getCurrentProjects(configuration); table.setInput(projects); String label = projects.length > 0 ? inputProjects + " (" + projects.length + ")" : inputProjects; section.setText(label); } private void createButtonBar(Composite parent) { Composite container = toolkit.createComposite(parent); GridLayoutFactory.fillDefaults().applyTo(container); GridDataFactory.fillDefaults().grab(false, true).applyTo(container); Button addButton = toolkit.createButton(container, Messages.windupAdd, SWT.PUSH); GridDataFactory.fillDefaults().grab(true, false).applyTo(addButton); addButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { List<IProject> projects = Lists .newArrayList(ResourcesPlugin.getWorkspace().getRoot().getProjects()); projects.removeAll(Lists.newArrayList(getCurrentProjects(configuration))); ListSelectionDialog dialog = new ListSelectionDialog(parent.getShell(), projects, new ArrayContentProvider(), new JavaUILabelProvider(), Messages.windupProjects); dialog.setTitle(Messages.windupProjects); dialog.setHelpAvailable(false); if (dialog.open() == Window.OK) { Object[] selected = (Object[]) dialog.getResult(); if (selected.length > 0) { List<IProject> newProjects = Lists.newArrayList(); Arrays.stream(selected).forEach(p -> newProjects.add((IProject) p)); modelService.createInput(configuration, newProjects); reloadTable(); } } } }); Button removeButton = toolkit.createButton(container, Messages.windupRemove, SWT.PUSH); GridDataFactory.fillDefaults().grab(true, false).applyTo(removeButton); removeButton.addSelectionListener(new SelectionAdapter() { @SuppressWarnings("unchecked") @Override public void widgetSelected(SelectionEvent e) { ISelection selection = table.getSelection(); if (!selection.isEmpty()) { StructuredSelection ss = (StructuredSelection) selection; List<IProject> projects = (List<IProject>) ss.toList(); modelService.deleteInput(configuration, projects); broker.post(INPUT_CHANGED, true); reloadTable(); } } }); } public void focus() { modelService.synch(configuration); reloadTable(); } @PreDestroy private void dispose() { ResourcesPlugin.getWorkspace().removeResourceChangeListener(listener); } }