| /******************************************************************************* |
| * Copyright (c) 2002, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM - Initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.core.tools.runtime; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.eclipse.core.runtime.Platform; |
| //import org.eclipse.core.runtime.internal.stats.BundleStats; |
| import org.eclipse.core.tools.*; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.TextViewer; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.osgi.service.resolver.*; |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.KeyAdapter; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.ui.*; |
| |
| public class PluginDependencyView extends SpyView implements ISelectionListener { |
| |
| private TextViewer viewer; |
| private Map<Long, PluginDependencyGraphNode> dependencyGraph = null; |
| |
| /** The id by which this view is known in the plug-in registry */ |
| public static final String VIEW_ID = PluginDependencyView.class.getName(); |
| |
| /** |
| * @see IWorkbenchPart#createPartControl |
| */ |
| @Override |
| public void createPartControl(Composite parent) { |
| viewer = new TextViewer(parent, SWT.V_SCROLL | SWT.H_SCROLL | SWT.WRAP | SWT.READ_ONLY); |
| viewer.setDocument(new Document()); |
| |
| IActionBars bars = getViewSite().getActionBars(); |
| |
| final GlobalAction clearOutputAction = new ClearTextAction(viewer.getDocument()); |
| clearOutputAction.registerAsGlobalAction(bars); |
| |
| final GlobalAction selectAllAction = new SelectAllAction(viewer); |
| selectAllAction.registerAsGlobalAction(bars); |
| |
| // Delete action shortcuts are not captured by the workbench |
| // so we need our key binding service to handle Delete keystrokes for us |
| this.viewer.getControl().addKeyListener(new KeyAdapter() { |
| @Override |
| public void keyPressed(KeyEvent e) { |
| if (e.character == SWT.DEL) |
| clearOutputAction.run(); |
| } |
| }); |
| |
| GlobalAction copyAction = new CopyTextSelectionAction(viewer); |
| copyAction.registerAsGlobalAction(bars); |
| |
| bars.getToolBarManager().add(clearOutputAction); |
| |
| bars.updateActionBars(); |
| |
| // creates a context menu with actions and adds it to the viewer control |
| MenuManager menuMgr = new MenuManager(); |
| menuMgr.add(copyAction); |
| menuMgr.add(clearOutputAction); |
| Menu menu = menuMgr.createContextMenu(viewer.getControl()); |
| viewer.getControl().setMenu(menu); |
| |
| getViewSite().getPage().addSelectionListener(this); |
| } |
| |
| /** |
| * @see org.eclipse.ui.IWorkbenchPart#dispose() |
| */ |
| @Override |
| public void dispose() { |
| getViewSite().getPage().removeSelectionListener(this); |
| super.dispose(); |
| dependencyGraph = null; |
| } |
| |
| /** |
| * Build the table of plug-in dependencies. Iterate over all the plug-ins in the |
| * plug-in registry and the cycle through the list of pre-requisites and create the |
| * parent/child relationships in the nodes. |
| */ |
| private Map<Long, PluginDependencyGraphNode> getDependencyGraph() { |
| if (dependencyGraph != null) |
| return dependencyGraph; |
| // Build up the dependency graph (see PluginDependencyGraphNode) so |
| // we have the information readily available for any plug-in. |
| State state = Platform.getPlatformAdmin().getState(false); |
| BundleDescription[] plugins = state.getBundles(); |
| dependencyGraph = new HashMap<>(); |
| for (BundleDescription descriptor : plugins) { |
| PluginDependencyGraphNode node = dependencyGraph.get(Long.valueOf(descriptor.getBundleId())); |
| if (node == null) { |
| node = new PluginDependencyGraphNode(descriptor); |
| dependencyGraph.put(Long.valueOf(descriptor.getBundleId()), node); |
| } |
| |
| // Cycle through the prerequisites |
| BundleSpecification[] requires = descriptor.getRequiredBundles(); |
| for (BundleSpecification require : requires) { |
| BundleDescription childDesc = (BundleDescription) require.getSupplier(); |
| // if the child doesn't exist then move to the next child |
| if (childDesc == null) |
| continue; |
| |
| // if the child entry is not in the table yet then add it |
| PluginDependencyGraphNode childNode = dependencyGraph |
| .get(Long.valueOf(childDesc.getBundleId())); |
| if (childNode == null) { |
| childNode = new PluginDependencyGraphNode(childDesc); |
| dependencyGraph.put(Long.valueOf(childDesc.getBundleId()), childNode); |
| } |
| |
| // Add the child to this node's children and set this node as an ancestor |
| // of the child node |
| node.addChild(childNode); |
| childNode.addAncestor(node); |
| } |
| } |
| return dependencyGraph; |
| } |
| |
| /** |
| * @see ISelectionListener#selectionChanged(IWorkbenchPart, ISelection) |
| */ |
| @Override |
| public void selectionChanged(IWorkbenchPart part, ISelection selection) { |
| if (!(selection instanceof IStructuredSelection)) |
| return; |
| Object element = ((IStructuredSelection) selection).getFirstElement(); |
| long id = -1; |
| String name = null; |
| if (element instanceof BundleDescription) { |
| id = ((BundleDescription) element).getBundleId(); |
| name = ((BundleDescription) element).getSymbolicName(); |
| } |
| // if (element instanceof BundleStats) { |
| // id = ((BundleStats) element).getId(); |
| // name = ((BundleStats) element).getSymbolicName(); |
| // } |
| if (id == -1) |
| return; |
| PluginDependencyGraphNode node = getDependencyGraph().get(Long.valueOf(id)); |
| String text = node == null ? NLS.bind(Messages.depend_noInformation, name) : node.toDeepString(); |
| viewer.getDocument().set(text); |
| viewer.refresh(); |
| } |
| } |