org.eclipse.emf.henshin.cpa.ui.util.CpEditorUtil.java Source code

Introduction

Here is the source code for org.eclipse.emf.henshin.cpa.ui.util.CpEditorUtil.java

Source

/**
 * <copyright>
 * Copyright (c) 2010-2016 Henshin developers. 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
 * </copyright>
 */
package org.eclipse.emf.henshin.cpa.ui.util;

import java.net.URISyntaxException;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.presentation.EcoreEditor;
import org.eclipse.emf.henshin.cpa.ui.presentation.HenshinCPEditor;
import org.eclipse.emf.henshin.presentation.HenshinEditor;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.part.MultiEditorInput;

public class CpEditorUtil {

    public static String[] getInnerEditorIDs() {
        return new String[] { "org.eclipse.emf.henshin.presentation.HenshinEditorID",
                "org.eclipse.emf.ecore.presentation.EcoreEditorID",
                "org.eclipse.emf.henshin.presentation.HenshinEditorID" };
    }

    public static void openResultInCpEditor(URI firstRuleUri, URI overlapUri, URI secondRuleUri) {

        /** URIs of henshin1, ecore[, henshin2 [.ecore, .wcoreextended, .gcore and .wcore files] */
        URI[] modelURIs = new URI[3];
        // TODO: die drei URIs einfgen
        modelURIs[0] = firstRuleUri;
        modelURIs[1] = overlapUri;
        modelURIs[2] = secondRuleUri;

        IEditorInput[] editorInputs;
        try {

            editorInputs = createEditorInputsAndModelURIs(modelURIs);

            MultiEditorInput multiEditorInput = new MultiEditorInput(CpEditorUtil.getInnerEditorIDs(),
                    editorInputs);

            IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
            IEditorPart editor = page.openEditor(multiEditorInput, HenshinCPEditor.MULTI_EDITOR_ID, true);
            // ((HenshinCPEditorBasedOnPimarEditor)editor).setModelFileUris(modelURIs); //scheint berflssig.

            // TODO: extract Method?
            if (editor instanceof HenshinCPEditor) { // sollte eigentlich immer so sein - soll nur ClassCastException
                // vermeiden
                HenshinCPEditor openedHenshinCPEditor = (HenshinCPEditor) editor;
                IEditorPart[] innerEditors = openedHenshinCPEditor.getInnerEditors();

                // TODO den ganzen Prozess des ausklappens in eine Methode auslagern und mit try/catch aufrufen um NPEs
                // zu vermeiden.

                for (IEditorPart iEditorPart : innerEditors) {
                    if (iEditorPart instanceof EcoreEditor) {
                        EcoreEditor ecoreEditor = (EcoreEditor) iEditorPart;
                        Viewer viewer = ecoreEditor.getViewer();
                        // TODO: vorm cast'en prfen, ob es auch instanceof ist, sonst kann es zur NPE kommen.
                        TreeViewer tViewer = (TreeViewer) viewer;

                        // TODO: disable Validation (liveValidation)

                        tViewer.expandToLevel(4);

                    }

                    // TODO: introduce expand functionality for henshin rules
                    if (iEditorPart instanceof HenshinEditor) {
                        HenshinEditor henshinEditor = (HenshinEditor) iEditorPart;
                    }
                }
            }

        } catch (URISyntaxException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (PartInitException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    private static IEditorInput[] createEditorInputsAndModelURIs(URI[] modelURIs) throws URISyntaxException {

        IWorkspace workspace = ResourcesPlugin.getWorkspace();
        IWorkspaceRoot workspaceRoot = workspace.getRoot();

        java.net.URI myURI0 = new java.net.URI(modelURIs[0].toString());
        IFile[] iFile0 = workspaceRoot.findFilesForLocationURI(myURI0);
        FileEditorInput firstRuleFileEditorInput = new FileEditorInput(iFile0[0]);
        boolean firstRuleFileEditorInputExists = firstRuleFileEditorInput.exists();
        // TODO: 'throw exception' wenn
        /*
         * Ansatz fr Feedback an Nutzer, dass eines der zugehrigen files nciht geladen werden konnte: (stammt aus
         * HenshinateHenshinFileHandler)
         * 
         * 
         * // Something was wrong: MessageDialog.openError(HandlerUtil.getActiveShell(event), "Error",
         * "Please select exactly one *." + HenshinResource.FILE_EXTENSION + " file.");
         */

        java.net.URI myURI1 = new java.net.URI(modelURIs[1].toString());
        IFile[] iFile1 = workspaceRoot.findFilesForLocationURI(myURI1);
        FileEditorInput minimalModelFileEditorInput = new FileEditorInput(iFile1[0]);
        boolean minimalModelFileEditorInputExists = minimalModelFileEditorInput.exists();

        java.net.URI myURI2 = new java.net.URI(modelURIs[2].toString());
        IFile[] iFile2 = workspaceRoot.findFilesForLocationURI(myURI2);
        FileEditorInput secondRuleFileEditorInput = new FileEditorInput(iFile2[0]);
        boolean secondRuleFileEditorInputExists = secondRuleFileEditorInput.exists();

        IEditorInput[] editorInputs = new IEditorInput[3];
        editorInputs[0] = firstRuleFileEditorInput;
        editorInputs[1] = minimalModelFileEditorInput;

        editorInputs[2] = secondRuleFileEditorInput;

        return editorInputs;
    }

}