bundles/org.simantics.modeling.ui/src/org/simantics/modeling/ui/scl/SCLScripts.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.modeling.ui.scl;
  13
  14 import java.io.StringReader;
  15
  16 import org.eclipse.core.runtime.IProgressMonitor;
  17 import org.eclipse.core.runtime.IStatus;
  18 import org.eclipse.core.runtime.Status;
  19 import org.eclipse.core.runtime.jobs.Job;
  20 import org.eclipse.ui.IWorkbenchPage;
  21 import org.eclipse.ui.IWorkbenchPart;
  22 import org.eclipse.ui.PartInitException;
  23 import org.simantics.db.RequestProcessor;
  24 import org.simantics.db.Resource;
  25 import org.simantics.db.exception.DatabaseException;
  26 import org.simantics.scl.compiler.commands.CommandSession;
  27 import org.simantics.scl.osgi.SCLOsgi;
  28 import org.simantics.scl.runtime.reporting.SCLReportingHandler;
  29 import org.simantics.utils.datastructures.Pair;
  30 import org.simantics.utils.ui.workbench.WorkbenchUtils;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * @author Tuukka Lehtonen
  36  * @since 1.31.0
  37  */
  38 public class SCLScripts {
  39
  40         private static final Logger LOGGER = LoggerFactory.getLogger(SCLScripts.class);
  41
  42         private static final String SCL_CONSOLE_ID = "org.simantics.scl.ui.console";
  43
  44         /**
  45          * @param processor database handle
  46          * @param script the script to validate
  47          * @return <code>null</code> if ok to run script, otherwise a problem description
  48          * @throws DatabaseException
  49          */
  50         public static String canRunScript(RequestProcessor processor, final Resource script) throws DatabaseException {
  51                 return null;
  52         }
  53
  54         public static void runScriptWithProgress(String scriptName, String scriptText, CommandSession session, SCLReportingHandler handler) {
  55                 Job job = new Job("Run SCL Script") {
  56                         @Override
  57                         protected IStatus run(IProgressMonitor monitor) {
  58                                 runScriptWithProgress(monitor, scriptName, scriptText, session, handler);
  59                                 return Status.OK_STATUS;
  60                         }
  61                 };
  62                 job.setUser(true);
  63                 job.schedule();
  64         }
  65
  66         public static void runScriptWithProgress(IProgressMonitor monitor, String scriptName, String scriptText, CommandSession session, SCLReportingHandler handler) {
  67                 monitor.beginTask(scriptName, IProgressMonitor.UNKNOWN);
  68                 try {
  69                         session.execute(new StringReader(scriptText), handler);
  70                 } finally {
  71                         monitor.done();
  72                 }
  73         }
  74
  75         public static Pair<CommandSession, SCLReportingHandler> getOrCreateConsoleCommandSession() {
  76                 return getSCLConsoleCommandSession(true);
  77         }
  78
  79         public static Pair<CommandSession, SCLReportingHandler> getSCLConsoleCommandSession(boolean createIfNecessary) {
  80                 IWorkbenchPart part;
  81                 try {
  82                         part = createIfNecessary
  83                                         ? WorkbenchUtils.showView(SCL_CONSOLE_ID, IWorkbenchPage.VIEW_VISIBLE)
  84                                         : WorkbenchUtils.findView(SCL_CONSOLE_ID);
  85                         if (part != null)
  86                                 return Pair.make(part.getAdapter(CommandSession.class), part.getAdapter(SCLReportingHandler.class));
  87                 } catch (PartInitException e) {
  88                         LOGGER.error("Failed to open SCL Console view. Using new CommandSession, reporting to stdout via Logger.", e);
  89                 }
  90                 SCLReportingHandler handler = SCLReportingHandler.DEFAULT_WITHOUT_ECHO;
  91                 return Pair.make(new CommandSession(SCLOsgi.MODULE_REPOSITORY, handler), SCLReportingHandler.DEFAULT);
  92         }
  93
  94 }