Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2011 IBM Corporation 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: * IBM Corporation - Initial API and implementation *******************************************************************************/ package org.eclipse.wst.server.ui.internal.view.servers; import java.util.Iterator; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.jobs.Job; import org.eclipse.debug.core.ILaunchManager; import org.eclipse.jface.action.*; import org.eclipse.jface.bindings.TriggerSequence; import org.eclipse.jface.viewers.*; import org.eclipse.swt.SWT; import org.eclipse.swt.dnd.DND; import org.eclipse.swt.dnd.FileTransfer; import org.eclipse.swt.dnd.Transfer; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.*; import org.eclipse.ui.*; import org.eclipse.ui.actions.ActionFactory; import org.eclipse.ui.contexts.IContextService; import org.eclipse.ui.keys.IBindingService; import org.eclipse.ui.part.ResourceTransfer; import org.eclipse.ui.part.ViewPart; import org.eclipse.ui.views.navigator.LocalSelectionTransfer; import org.eclipse.wst.server.core.*; import org.eclipse.wst.server.core.internal.Server; import org.eclipse.wst.server.core.model.ServerDelegate; import org.eclipse.wst.server.ui.internal.*; import org.eclipse.wst.server.ui.internal.actions.NewServerWizardAction; /** * A view of servers, their modules, and status. */ public class ServersView extends ViewPart { private static final String TAG_COLUMN_WIDTH = "columnWidth"; private static final String SERVERS_VIEW_CONTEXT = "org.eclipse.ui.serverViewScope"; protected Action noneAction = new Action(Messages.dialogMonitorNone) { // dummy action }; protected int[] cols; protected Tree treeTable; protected ServerTableViewer tableViewer; // actions on a server protected Action[] actions; protected Action actionModifyModules; protected Action openAction, showInConsoleAction, showInDebugAction, propertiesAction, monitorPropertiesAction, globalDeleteAction; protected Action copyAction, pasteAction, deleteAction, renameAction; /** * ServersView constructor comment. */ public ServersView() { super(); } protected SelectionListener getHeaderListener(final int col) { return new SelectionAdapter() { /** * Handles the case of user selecting the header area. */ public void widgetSelected(SelectionEvent e) { if (tableViewer == null) return; TreeColumn column = (TreeColumn) e.widget; tableViewer.resortTable(column, col); } }; } /** * createPartControl method comment. * * @param parent a parent composite */ public void createPartControl(Composite parent) { treeTable = new Tree(parent, SWT.SINGLE | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL); treeTable.setHeaderVisible(true); treeTable.setLinesVisible(false); treeTable.setLayoutData(new GridData(GridData.FILL_BOTH)); treeTable.setFont(parent.getFont()); PlatformUI.getWorkbench().getHelpSystem().setHelp(treeTable, ContextIds.VIEW_SERVERS); // add columns TreeColumn column = new TreeColumn(treeTable, SWT.SINGLE); column.setText(Messages.viewServer); column.setWidth(cols[0]); column.addSelectionListener(getHeaderListener(0)); treeTable.setSortColumn(column); treeTable.setSortDirection(SWT.UP); TreeColumn column2 = new TreeColumn(treeTable, SWT.SINGLE); column2.setText(Messages.viewState); column2.setWidth(cols[1]); column2.addSelectionListener(getHeaderListener(1)); TreeColumn column3 = new TreeColumn(treeTable, SWT.SINGLE); column3.setText(Messages.viewStatus); column3.setWidth(cols[2]); column3.addSelectionListener(getHeaderListener(2)); IContextService contextSupport = (IContextService) getSite().getService(IContextService.class); contextSupport.activateContext(SERVERS_VIEW_CONTEXT); deferInitialization(); } private void deferInitialization() { TreeItem item = new TreeItem(treeTable, SWT.NONE); item.setText(Messages.viewInitializing); tableViewer = new ServerTableViewer(this, treeTable); initializeActions(tableViewer); Job job = new Job(Messages.jobInitializingServersView) { public IStatus run(IProgressMonitor monitor) { IServer[] servers = ServerCore.getServers(); int size = servers.length; for (int i = 0; i < size; i++) { ((Server) servers[i]).getAllModules().iterator(); /*while (iterator.hasNext()) { Module module = (Module) iterator.next(); module.g }*/ } Display.getDefault().asyncExec(new Runnable() { public void run() { try { deferredInitialize(); } catch (Exception e) { // ignore - view has already been closed } } }); return Status.OK_STATUS; } }; job.setSystem(true); job.setPriority(Job.SHORT); job.schedule(); } protected void deferredInitialize() { tableViewer.initialize(); tableViewer.addOpenListener(new IOpenListener() { public void open(OpenEvent event) { try { IStructuredSelection sel = (IStructuredSelection) event.getSelection(); Object data = sel.getFirstElement(); if (!(data instanceof IServer)) return; IServer server = (IServer) data; ServerUIPlugin.editServer(server); } catch (Exception e) { if (Trace.SEVERE) { Trace.trace(Trace.STRING_SEVERE, "Could not open server", e); } } } }); MenuManager menuManager = new MenuManager("#PopupMenu"); menuManager.setRemoveAllWhenShown(true); final Shell shell = treeTable.getShell(); menuManager.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager mgr) { fillContextMenu(shell, mgr); } }); Menu menu = menuManager.createContextMenu(treeTable); treeTable.setMenu(menu); getSite().registerContextMenu(menuManager, tableViewer); getSite().setSelectionProvider(tableViewer); initDragAndDrop(); // init the tooltip ServerToolTip toolTip = new ServerToolTip(treeTable); toolTip.setShift(new Point(10, 3)); toolTip.setPopupDelay(400); // in ms toolTip.setHideOnMouseDown(true); toolTip.activate(); if (tableViewer.getTree().getItemCount() > 0) { Object obj = tableViewer.getTree().getItem(0).getData(); tableViewer.setSelection(new StructuredSelection(obj)); } Thread thread = new Thread() { public void run() { try { Thread.sleep(5000); } catch (Exception e) { // ignore } IServer[] servers = ServerCore.getServers(); int size = servers.length; for (int i = 0; i < size; i++) { IServer server = servers[i]; if (server.getServerType() != null && server.getServerState() == IServer.STATE_UNKNOWN) { // UpdateServerJob job = new UpdateServerJob(server); // job.schedule(); } } } }; thread.setDaemon(true); thread.setPriority(Thread.MIN_PRIORITY + 1); thread.start(); } public void init(IViewSite site, IMemento memento) throws PartInitException { super.init(site, memento); cols = new int[3]; for (int i = 0; i < 3; i++) { cols[i] = 200; if (memento != null) { Integer in = memento.getInteger(TAG_COLUMN_WIDTH + i); if (in != null && in.intValue() > 5) cols[i] = in.intValue(); } } } public void saveState(IMemento memento) { TreeColumn[] tc = treeTable.getColumns(); for (int i = 0; i < 3; i++) { int width = tc[i].getWidth(); if (width != 0) memento.putInteger(TAG_COLUMN_WIDTH + i, width); } } /** * Initialize actions * * @param provider a selection provider */ public void initializeActions(ISelectionProvider provider) { Shell shell = getSite().getShell(); IActionBars actionBars = getViewSite().getActionBars(); actions = new Action[6]; // create the start actions actions[0] = new StartAction(shell, provider, ILaunchManager.DEBUG_MODE); actionBars.setGlobalActionHandler("org.eclipse.wst.server.debug", actions[0]); actions[1] = new StartAction(shell, provider, ILaunchManager.RUN_MODE); actionBars.setGlobalActionHandler("org.eclipse.wst.server.run", actions[1]); actions[2] = new StartAction(shell, provider, ILaunchManager.PROFILE_MODE); // create the stop action actions[3] = new StopAction(shell, provider); actionBars.setGlobalActionHandler("org.eclipse.wst.server.stop", actions[3]); // create the publish actions actions[4] = new PublishAction(shell, provider); actionBars.setGlobalActionHandler("org.eclipse.wst.server.publish", actions[4]); actions[5] = new PublishCleanAction(shell, provider); // create the open action openAction = new OpenAction(provider); actionBars.setGlobalActionHandler("org.eclipse.ui.navigator.Open", openAction); // create copy, paste, and delete actions pasteAction = new PasteAction(shell, provider, tableViewer.clipboard); copyAction = new CopyAction(provider, tableViewer.clipboard, pasteAction); deleteAction = new DeleteAction(shell, provider); // Create a second delete action that can act in modules, when the delete key is pressed // the old DeleteAction only works for servers see bug# 286960 globalDeleteAction = new GlobalDeleteAction(shell, provider); renameAction = new RenameAction(shell, tableViewer, provider); actionBars.setGlobalActionHandler(ActionFactory.COPY.getId(), copyAction); actionBars.setGlobalActionHandler(ActionFactory.PASTE.getId(), pasteAction); actionBars.setGlobalActionHandler(ActionFactory.DELETE.getId(), globalDeleteAction); actionBars.setGlobalActionHandler(ActionFactory.RENAME.getId(), renameAction); // create the other actions actionModifyModules = new ModuleSloshAction(shell, provider); showInConsoleAction = new ShowInConsoleAction(provider); showInDebugAction = new ShowInDebugAction(provider); // create the properties action propertiesAction = new PropertiesAction(shell, provider); actionBars.setGlobalActionHandler(ActionFactory.PROPERTIES.getId(), propertiesAction); monitorPropertiesAction = new PropertiesAction(shell, "org.eclipse.wst.server.ui.properties.monitor", provider); // add toolbar buttons IContributionManager cm = actionBars.getToolBarManager(); for (int i = 0; i < actions.length - 1; i++) cm.add(actions[i]); cm.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); } private static void fillNewContextMenu(Shell shell, ISelection selection, IMenuManager menu) { IAction newServerAction = new NewServerWizardAction(); newServerAction.setText(Messages.actionNewServer); menu.add(newServerAction); } protected void fillContextMenu(Shell shell, IMenuManager menu) { // get selection but avoid no selection or multiple selection IServer server = null; IModule[] module = null; IStructuredSelection selection = (IStructuredSelection) tableViewer.getSelection(); if (!selection.isEmpty()) { Iterator iterator = selection.iterator(); Object obj = iterator.next(); if (obj instanceof IServer) server = (IServer) obj; if (obj instanceof ModuleServer) { ModuleServer ms = (ModuleServer) obj; server = ms.server; module = ms.module; } if (iterator.hasNext()) { server = null; module = null; } } // new action MenuManager newMenu = new MenuManager(Messages.actionNew); fillNewContextMenu(null, selection, newMenu); menu.add(newMenu); // open action if (server != null && module == null) { menu.add(openAction); String text = Messages.actionShowIn; final IWorkbench workbench = PlatformUI.getWorkbench(); final IBindingService bindingService = (IBindingService) workbench.getAdapter(IBindingService.class); final TriggerSequence[] activeBindings = bindingService .getActiveBindingsFor("org.eclipse.ui.navigate.showInQuickMenu"); if (activeBindings.length > 0) { text += "\t" + activeBindings[0].format(); } MenuManager showInMenu = new MenuManager(text); showInMenu.add(showInConsoleAction); showInMenu.add(showInDebugAction); //IActionBars actionBars = getViewSite().getActionBars(); //actionBars.setGlobalActionHandler("group.show", showInMenu); menu.add(showInMenu); menu.add(new Separator()); } else menu.add(new Separator()); if (server != null) { if (module == null) { menu.add(copyAction); menu.add(pasteAction); menu.add(deleteAction); menu.add(renameAction); } else if (module.length == 1) menu.add(new RemoveModuleAction(shell, server, module[0])); menu.add(new Separator()); } if (server != null && module == null) { // server actions for (int i = 0; i < actions.length; i++) menu.add(actions[i]); menu.add(new Separator()); menu.add(actionModifyModules); // monitor if (server.getServerType() != null) { final MenuManager menuManager = new MenuManager(Messages.actionMonitor); final IServer server2 = server; final Shell shell2 = shell; menuManager.addMenuListener(new IMenuListener() { public void menuAboutToShow(IMenuManager manager) { menuManager.removeAll(); if (server2.getAdapter(ServerDelegate.class) != null) { ServerPort[] ports = server2.getServerPorts(null); if (ports != null) { int size = ports.length; for (int i = 0; i < size; i++) { if (!ports[i].isAdvanced()) menuManager.add(new MonitorServerPortAction(shell2, server2, ports[i])); } } } if (menuManager.isEmpty()) menuManager.add(noneAction); menuManager.add(new Separator()); menuManager.add(monitorPropertiesAction); } }); // add an initial menu item so that the menu appears correctly noneAction.setEnabled(false); menuManager.add(noneAction); menu.add(menuManager); } } if (server != null && module != null) { menu.add(new Separator()); menu.add(new StartModuleAction(server, module)); menu.add(new StopModuleAction(server, module)); menu.add(new RestartModuleAction(server, module)); } menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS + "-end")); if (server != null) { menu.add(new Separator()); menu.add(propertiesAction); } } /** * */ public void setFocus() { if (treeTable != null) treeTable.setFocus(); } /** * Adds drag and drop support to the Servers view. */ protected void initDragAndDrop() { int ops = DND.DROP_COPY; Transfer[] transfers = new Transfer[] { LocalSelectionTransfer.getInstance(), ResourceTransfer.getInstance(), FileTransfer.getInstance() }; //tableViewer.addDragSupport(ops, transfers, new ServersViewDragAdapter(viewer)); tableViewer.addDropSupport(ops | DND.DROP_DEFAULT, transfers, new ServersViewDropAdapter(tableViewer)); } }