| /*=============================================================================# |
| # Copyright (c) 2009, 2019 Stephan Wahlbrink 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, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.r.ui.rhelp; |
| |
| import java.util.Map; |
| |
| import org.eclipse.statet.jcommons.status.ErrorStatus; |
| import org.eclipse.statet.jcommons.status.ProgressMonitor; |
| import org.eclipse.statet.jcommons.status.Status; |
| import org.eclipse.statet.jcommons.ts.core.util.ToolCommandHandlerUtils; |
| |
| import org.eclipse.statet.ecommons.runtime.core.util.StatusUtils; |
| |
| import org.eclipse.statet.r.console.core.RProcess; |
| import org.eclipse.statet.r.ui.RUI; |
| import org.eclipse.statet.rj.renv.core.REnv; |
| import org.eclipse.statet.rj.ts.core.AbstractRToolCommandHandler; |
| import org.eclipse.statet.rj.ts.core.RToolService; |
| |
| |
| public class RHelpUICommandHandler extends AbstractRToolCommandHandler { |
| |
| |
| public static final String SHOW_HELP_COMMAND_ID= "showHelp"; //$NON-NLS-1$ |
| |
| |
| public RHelpUICommandHandler() { |
| } |
| |
| |
| @Override |
| public Status execute(final String id, final RToolService r, final Map<String, Object> data, |
| final ProgressMonitor m) { |
| if (id.equals(SHOW_HELP_COMMAND_ID)) { |
| String url= ToolCommandHandlerUtils.getCheckedData(data, "url", String.class, true); |
| if (url.startsWith("html:///")) { //$NON-NLS-1$ |
| int idx= url.indexOf("<head"); //$NON-NLS-1$ |
| if (idx >= 0) { |
| idx= url.indexOf('>', idx+5); |
| if (idx >= 0) { |
| idx++; |
| url= url.substring(0, idx) + "<base href=\"about:\"/>" + url.substring(idx); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| final RProcess process= (RProcess) r.getTool(); |
| final REnv rEnv= process.getREnv(); |
| if (rEnv == null) { |
| return new ErrorStatus(RUI.BUNDLE_ID, "Not supported."); |
| } |
| final OpenRHelpHandler handler= new OpenRHelpHandler(rEnv, process, true); |
| return StatusUtils.convert(handler.execute(url)); |
| } |
| |
| throw new UnsupportedOperationException(); |
| } |
| |
| } |