Java tutorial
/**************************************************************************** * * Copyright (c) 2012, Linagora * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * *****************************************************************************/ package org.ow2.petals.client.swt.dialogs; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.xml.namespace.QName; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.viewers.ColumnViewerToolTipSupport; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.jface.window.ToolTip; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Tree; import org.ow2.petals.client.model.ServiceEndpoint; import org.ow2.petals.client.swt.viewers.ServiceRegistryContentProvider; import org.ow2.petals.client.swt.viewers.ServiceRegistryLabelProvider; /** * A dialog to select a service end-point in a Petals registry. * @author Vincent Zurczak - EBM WebSourcing */ public class ServiceRegistryViewerDialog extends TitleAreaDialog { private final static String DEFAULT_MSG = "Select a Petals service and one of its operations to invoke."; private ServiceRegistryLabelProvider labelProvider; private final List<ServiceEndpoint> serviceEndpoints; private QName itfToInvoke, srvToInvoke; private String edptToInvoke; /** * Constructor. * @param parentShell * @param serviceEndpoints */ public ServiceRegistryViewerDialog(Shell parentShell, List<ServiceEndpoint> serviceEndpoints) { super(parentShell); this.serviceEndpoints = serviceEndpoints; setShellStyle(SWT.PRIMARY_MODAL | SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX); } /* * (non-Jsdoc) * @see org.eclipse.jface.dialogs.TrayDialog * #close() */ @Override public boolean close() { if (this.labelProvider != null) this.labelProvider.dispose(); return super.close(); } /* * (non-Jsdoc) * @see org.eclipse.jface.dialogs.TitleAreaDialog * #createDialogArea(org.eclipse.swt.widgets.Composite) */ @Override protected Control createDialogArea(final Composite parent) { // General properties getShell().setText("Consume a Petals Service"); setTitle("Consume a Petals Service"); setMessage(DEFAULT_MSG); Composite outterComposite = new Composite(parent, SWT.BORDER); outterComposite.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WHITE)); GridLayoutFactory.swtDefaults().margins(0, 0).applyTo(outterComposite); outterComposite.setLayoutData(new GridData(GridData.FILL_BOTH)); Tree tree = new Tree(outterComposite, SWT.HIDE_SELECTION | SWT.FULL_SELECTION | SWT.SINGLE); GridData layoutData = new GridData(GridData.FILL_BOTH); layoutData.widthHint = 400; layoutData.heightHint = 400; tree.setLayoutData(layoutData); final TreeViewer treeViewer = new TreeViewer(tree); treeViewer.setContentProvider(new ServiceRegistryContentProvider()); this.labelProvider = new ServiceRegistryLabelProvider(); treeViewer.setLabelProvider(this.labelProvider); ColumnViewerToolTipSupport.enableFor(treeViewer, ToolTip.NO_RECREATE); // Prepare the input... Map<QName, ItfBean> itfNameToInterface = new HashMap<QName, ItfBean>(); for (ServiceEndpoint se : this.serviceEndpoints) { // Handle the interface name ItfBean itfBean = itfNameToInterface.get(se.getInterfaceName()); if (itfBean == null) { itfBean = new ItfBean(); itfBean.itfName = se.getInterfaceName(); itfNameToInterface.put(itfBean.itfName, itfBean); } // Handle the service name SrvBean srvBean = itfBean.srvNameToService.get(se.getServiceName()); if (srvBean == null) { srvBean = new SrvBean(); srvBean.itfName = itfBean.itfName; srvBean.srvName = se.getServiceName(); itfBean.srvNameToService.put(srvBean.srvName, srvBean); } // Handle the end-point name EdptBean edptBean = new EdptBean(); edptBean.se = se; srvBean.endpoints.add(edptBean); } // ... and set it! treeViewer.setInput(itfNameToInterface); // Listen to the selection treeViewer.addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent e) { Object o = ((IStructuredSelection) e.getSelection()).getFirstElement(); if (o instanceof ItfBean) { ServiceRegistryViewerDialog.this.itfToInvoke = ((ItfBean) o).itfName; ServiceRegistryViewerDialog.this.srvToInvoke = null; ServiceRegistryViewerDialog.this.edptToInvoke = null; } else if (o instanceof SrvBean) { ServiceRegistryViewerDialog.this.itfToInvoke = ((SrvBean) o).itfName; ServiceRegistryViewerDialog.this.srvToInvoke = ((SrvBean) o).srvName; ServiceRegistryViewerDialog.this.edptToInvoke = null; } else if (o instanceof EdptBean) { ServiceRegistryViewerDialog.this.itfToInvoke = ((EdptBean) o).se.getInterfaceName(); ServiceRegistryViewerDialog.this.srvToInvoke = ((EdptBean) o).se.getServiceName(); ServiceRegistryViewerDialog.this.edptToInvoke = ((EdptBean) o).se.getEndpointName(); } Button okButton; if (ServiceRegistryViewerDialog.this.itfToInvoke != null && (okButton = getButton(IDialogConstants.OK_ID)) != null) okButton.setEnabled(true); } }); return outterComposite; } /* * (non-Jsdoc) * @see org.eclipse.jface.dialogs.TrayDialog * #createButtonBar(org.eclipse.swt.widgets.Composite) */ @Override protected Control createButtonBar(Composite parent) { Composite comp = (Composite) super.createButtonBar(parent); comp.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE)); Button okButton = getButton(IDialogConstants.OK_ID); if (okButton != null) { okButton.getParent().setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_WHITE)); okButton.setEnabled(false); } return comp; } /** * A bean that describes an interface. */ public static class ItfBean { public QName itfName; public Map<QName, SrvBean> srvNameToService = new HashMap<QName, SrvBean>(); } /** * A bean that describes a service. */ public static class SrvBean { public QName srvName, itfName; public List<EdptBean> endpoints = new ArrayList<EdptBean>(); } /** * A bean that describes an end-point. */ public static class EdptBean { public ServiceEndpoint se; } /** * @return the itfToInvoke */ public QName getItfToInvoke() { return this.itfToInvoke; } /** * @return the srvToInvoke */ public QName getSrvToInvoke() { return this.srvToInvoke; } /** * @return the edptToInvoke */ public String getEdptToInvoke() { return this.edptToInvoke; } }