plugins/org.eclipse.app4mc.amalthea.generator.ui/src/org/eclipse/app4mc/amalthea/generator/ui/ConfigurationPage.java

/**
 * *******************************************************************************
 *  Copyright (c) 2017 Timing-Architects Embedded Systems GmbH 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:
 *     Timing-Architects Embedded Systems GmbH - initial API and implementation
 *
 * *******************************************************************************
 */
package org.eclipse.app4mc.amalthea.generator.ui;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.eclipse.app4mc.amalthea.generator.configuration.RTMGC;
import org.eclipse.app4mc.amalthea.generator.configuration.RTMGCFactory;
import org.eclipse.app4mc.amalthea.generator.configuration.RTMGCPackage;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.xmi.XMIResource;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
import org.eclipse.emf.ecore.xmi.impl.XMIResourceImpl;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.TabFolder;
import org.eclipse.swt.graphics.Point;

public class ConfigurationPage extends WizardPage {
	
	private final GeneralConfigurationHelper generalHelper = new GeneralConfigurationHelper(this); 
	private final ActivationsConfigurationHelper activationsHelper = new ActivationsConfigurationHelper();
	private final LabelsConfigurationHelper labelsHelper = new LabelsConfigurationHelper();
	private final RunnablesConfigurationHelper runnablesHelper = new RunnablesConfigurationHelper();
	private final SemaphoresConfigurationHelper semaphoresHelper = new SemaphoresConfigurationHelper();
	private final TasksConfigurationHelper tasksHelper = new TasksConfigurationHelper();
	
	protected ConfigurationPage() {
		super("Configuration");
		setTitle("Configuration");
        setDescription("Configure the settings for the random model generation");
	}

	@Override
	public void createControl(Composite parent) {
		TabFolder folder = new TabFolder(parent, SWT.NONE);
		
		this.generalHelper.addTabItem(folder);
		this.activationsHelper.addTabItem(folder);
		this.labelsHelper.addTabItem(folder);
		this.runnablesHelper.addTabItem(folder);
		this.semaphoresHelper.addTabItem(folder);
		this.tasksHelper.addTabItem(folder);
		
		// avoid that dialog gets too big
	    Point size = getShell().computeSize(510,540);
	    getShell().setSize(size);
		
        setControl(folder);
	}
	
	@Override
	public boolean isPageComplete() {
		boolean result = true;
		result &= this.activationsHelper.isValid();
		result &= this.generalHelper.isValid();
		result &= this.labelsHelper.isValid();
		result &= this.runnablesHelper.isValid();
		result &= this.semaphoresHelper.isValid();
		result &= this.tasksHelper.isValid();
		return result;
	}
	
	@Override
	public boolean canFlipToNextPage() {
		return this.isPageComplete();
	}
	
	/*
	 * Fills the controls with data from a configuration file 
	 */
	public void loadConfiguration(File file) {
		if(null != file) {
			// load values
			// initialise the model
			RTMGCPackage.eINSTANCE.eClass();
			// register the XMI resource factory for the rte extension
			XMIResource.Factory.Registry reg = XMIResource.Factory.Registry.INSTANCE;
			Map<String, Object> m = reg.getExtensionToFactoryMap();
			m.put("rtmgc", new XMIResourceFactoryImpl());
			// Obtain a new resource set
			XMIResourceFactoryImpl resSet = new XMIResourceFactoryImpl();
			// Get the resource
			XMIResourceImpl resource = (XMIResourceImpl)resSet.createResource(URI.createURI(file.getAbsolutePath(), true));
			// Get the first model element and cast it to the right type, in my
			// example everything is hierarchical included in this first node
			try {
				resource.load(new FileInputStream(file), new HashMap<Object,Object>());
			} catch (FileNotFoundException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			// get the root element
			EObject object = resource.getContents().get(0);
			if(object instanceof RTMGC) {
				RTMGC rtmgc = (RTMGC) object;
				this.activationsHelper.loadConfiguration(rtmgc);
				this.generalHelper.loadConfiguration(rtmgc);
				this.labelsHelper.loadConfiguration(rtmgc);
				this.runnablesHelper.loadConfiguration(rtmgc);
				this.semaphoresHelper.loadConfiguration(rtmgc);
				this.tasksHelper.loadConfiguration(rtmgc);
			}
		}
	}
	
	public RTMGC getConfiguration() {
		RTMGC rtmgc = RTMGCFactory.eINSTANCE.createRTMGC();
		this.activationsHelper.updateConfiguration(rtmgc);
		this.generalHelper.updateConfiguration(rtmgc);
		this.labelsHelper.updateConfiguration(rtmgc);
		this.runnablesHelper.updateConfiguration(rtmgc);
		this.semaphoresHelper.updateConfiguration(rtmgc);
		this.tasksHelper.updateConfiguration(rtmgc);
		
		return rtmgc;
	}

}