| /******************************************************************************* |
| * Copyright (c) 2016 Rogue Wave Software Inc. and others. |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Michał Niewrzał (Rogue Wave Software Inc.) - initial implementation |
| * Lucas Bullen (Red Hat Inc.) - [Bug 517428] Requests sent before initialization |
| *******************************************************************************/ |
| package org.eclipse.lsp4e.operations.symbols; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.core.commands.ExecutionEvent; |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.lsp4e.LSPEclipseUtils; |
| import org.eclipse.lsp4e.LanguageServiceAccessor; |
| import org.eclipse.lsp4e.LanguageServiceAccessor.LSPDocumentInfo; |
| import org.eclipse.lsp4j.DocumentSymbolParams; |
| import org.eclipse.lsp4j.TextDocumentIdentifier; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.handlers.HandlerUtil; |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| public class LSPSymbolInFileHandler extends AbstractHandler { |
| |
| @Override |
| public Object execute(ExecutionEvent event) throws ExecutionException { |
| IEditorPart part = HandlerUtil.getActiveEditor(event); |
| if (part instanceof ITextEditor) { |
| final ITextEditor textEditor = (ITextEditor) part; |
| Collection<LSPDocumentInfo> infos = LanguageServiceAccessor.getLSPDocumentInfosFor( |
| LSPEclipseUtils.getDocument(textEditor), |
| capabilities -> LSPEclipseUtils.hasCapability(capabilities.getDocumentSymbolProvider())); |
| if (infos.isEmpty()) { |
| return null; |
| } |
| // TODO maybe consider better strategy such as iterating on all LS until we have a good result |
| LSPDocumentInfo info = infos.iterator().next(); |
| final Shell shell = HandlerUtil.getActiveShell(event); |
| DocumentSymbolParams params = new DocumentSymbolParams( |
| new TextDocumentIdentifier(info.getFileUri().toString())); |
| info.getInitializedLanguageClient() |
| .thenComposeAsync(langaugeServer -> langaugeServer.getTextDocumentService().documentSymbol(params)) |
| .thenAcceptAsync(t -> shell.getDisplay().asyncExec(() -> { |
| LSPSymbolInFileDialog dialog = new LSPSymbolInFileDialog(shell, textEditor, |
| info.getFileUri(), t); |
| dialog.open(); |
| })); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean isEnabled() { |
| IWorkbenchPart part = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart(); |
| if (part instanceof ITextEditor) { |
| List<LSPDocumentInfo> infos = LanguageServiceAccessor.getLSPDocumentInfosFor( |
| LSPEclipseUtils.getDocument((ITextEditor) part), |
| capabilities -> LSPEclipseUtils.hasCapability(capabilities.getDocumentSymbolProvider())); |
| return !infos.isEmpty(); |
| } |
| return false; |
| } |
| } |