org.eclipse.gemoc.execution.concurrent.ccsljavaengine.ui.actions.GenerateExtendedCCSLFile.java Source code

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Here is the source code for org.eclipse.gemoc.execution.concurrent.ccsljavaengine.ui.actions.GenerateExtendedCCSLFile.java

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/*******************************************************************************
 * Copyright (c) 2017 INRIA 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:
 *     INRIA - initial API and implementation
 *     I3S Laboratory - API update and bug fix
 *******************************************************************************/
package org.eclipse.gemoc.execution.concurrent.ccsljavaengine.ui.actions;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.gemoc.execution.concurrent.ccsljavaxdsml.api.extensions.languages.ConcurrentLanguageDefinitionExtension;
import org.eclipse.gemoc.execution.concurrent.ccsljavaxdsml.api.extensions.languages.ConcurrentLanguageDefinitionExtensionPoint;
import org.eclipse.gemoc.xdsmlframework.api.extensions.languages.LanguageDefinitionExtension;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ListDialog;

public class GenerateExtendedCCSLFile extends GenerateExtendedCCSLFileAction {

    /**
     * Constructor for Action1.
     */
    public GenerateExtendedCCSLFile() {
        super();
    }

    @Override
    protected String getTransformationURI() {
        //use the extension of the model file
        String fileExtension = modelUriString.substring(modelUriString.lastIndexOf('.') + 1,
                modelUriString.length());

        List<ConcurrentLanguageDefinitionExtension> applicableLanguageDefinitions = new ArrayList<ConcurrentLanguageDefinitionExtension>();
        for (ConcurrentLanguageDefinitionExtension lde : ConcurrentLanguageDefinitionExtensionPoint
                .getSpecifications()) {
            // select only applicable languages for the file extension
            if (lde.getFileExtensions().contains(fileExtension)) {
                applicableLanguageDefinitions.add(lde);
            }
        }

        ConcurrentLanguageDefinitionExtension selectedLanguageDefinition = null;
        if (applicableLanguageDefinitions.size() == 0) {
            MessageDialog dialog = new MessageDialog(
                    PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "No applicable language found",
                    null, "No applicable language found for file extension " + fileExtension + ".",
                    MessageDialog.ERROR, new String[0], -1);
            dialog.open();
            return null;
        } else if (applicableLanguageDefinitions.size() == 1) {
            selectedLanguageDefinition = applicableLanguageDefinitions.get(0);
        } else {

            ListDialog dialog = new ListDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());

            dialog.setContentProvider(new ArrayContentProvider());
            dialog.setTitle("Language selection");
            dialog.setMessage("Which language do you want to use");
            dialog.setLabelProvider(new ArrayLabelProvider());
            List<Object[]> input = new ArrayList<Object[]>();
            for (LanguageDefinitionExtension lde : applicableLanguageDefinitions) {
                input.add(new Object[] { lde.getName(), lde });
            }
            dialog.setInput(input);
            // user pressed cancel
            if (dialog.open() != Window.OK) {
                return null;
            }
            Object[] result = dialog.getResult();
            if (result.length == 0) {
                MessageDialog dialog2 = new MessageDialog(
                        PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Please select a language",
                        null, "Please select a language for file extension " + fileExtension + ".",
                        MessageDialog.ERROR, new String[0], -1);
                dialog2.open();
                return null;
            }
            Object[] selected = ((Object[]) result[0]);
            selectedLanguageDefinition = (ConcurrentLanguageDefinitionExtension) selected[1];
        }

        String uri = selectedLanguageDefinition.getQVTOPath();
        if (!uri.startsWith("platform:/plugin"))
            uri = "platform:/plugin" + uri;
        return uri;
    }

    @Override
    protected String getMoCFileExtension() {
        return "extendedCCSL";
    }

    static class ArrayLabelProvider extends LabelProvider implements ITableLabelProvider {
        public String getText(Object element) {
            return ((Object[]) element)[0].toString();
        }

        @Override
        public Image getColumnImage(Object element, int columnIndex) {
            return null;
        }

        @Override
        public String getColumnText(Object element, int columnIndex) {
            Object[] ss = (Object[]) element;
            return ss[columnIndex].toString();
        }

    }

}