com.toedter.e4.tools.modeleditor.OpenModelEditorHandler.java Source code

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Here is the source code for com.toedter.e4.tools.modeleditor.OpenModelEditorHandler.java

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/*******************************************************************************
 * Copyright (c) 2011 BestSolution.at, Kai Toedter 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:
 *     Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
 *     Kai Toedter - additions for more general use
 ******************************************************************************/

package com.toedter.e4.tools.modeleditor;

import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.e4.core.contexts.ContextInjectionFactory;
import org.eclipse.e4.core.contexts.IEclipseContext;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.tools.emf.ui.common.IModelResource;
import org.eclipse.e4.tools.emf.ui.internal.wbm.ApplicationModelEditor;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

@SuppressWarnings("restriction")
public class OpenModelEditorHandler {

    @Execute
    public void run(final MApplication application) {
        Realm.runWithDefault(SWTObservables.getRealm(Display.getDefault()), new Runnable() {
            @Override
            public void run() {
                Shell shell = new Shell(SWT.SHELL_TRIM);
                shell.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));
                shell.setBackgroundMode(SWT.INHERIT_DEFAULT);
                FillLayout layout = new FillLayout();
                layout.marginHeight = 5;
                layout.marginWidth = 5;
                shell.setLayout(layout);

                final IEclipseContext childContext = application.getContext().createChild("EditorContext");
                MemoryModelResource resource = new MemoryModelResource(application);
                childContext.set(IModelResource.class, resource);
                childContext.set(Composite.class.getCanonicalName(), shell);
                childContext.set(Display.class.getCanonicalName(), shell.getDisplay());

                ContextInjectionFactory.make(ApplicationModelEditor.class, childContext);

                shell.open();
                Display display = shell.getDisplay();
                while (!shell.isDisposed()) {
                    if (!display.readAndDispatch()) {
                        display.sleep();
                    }
                }
                childContext.dispose();
                shell = null;
            }
        });
    }
}