bundles/common/org.eclipse.apogy.common.topology.ui.viewer/src/org/eclipse/apogy/common/topology/ui/viewer/preferences/TopologyViewerLightingPreferenceInitializer.java

/*******************************************************************************
 * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency
 * 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:
 *     Pierre Allard, 
 *     Regent L'Archeveque,
 *     Sebastien Gemme  - initial API and implementation
 * 
 * SPDX-License-Identifier: EPL-1.0
 *     
 *******************************************************************************/
package org.eclipse.apogy.common.topology.ui.viewer.preferences;

import org.eclipse.apogy.common.math.ApogyCommonMathFacade;
import org.eclipse.apogy.common.math.Tuple3d;
import org.eclipse.apogy.common.topology.ui.viewer.Activator;
import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;

public class TopologyViewerLightingPreferenceInitializer extends AbstractPreferenceInitializer {

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer#
	 * initializeDefaultPreferences()
	 */
	@Override
	public void initializeDefaultPreferences() {
		IPreferenceStore store = Activator.getDefault().getPreferenceStore();
		PreferenceConverter.setDefault(store, TopologyViewerLightingPreferenceConstants.AMBIENT_LIGHT_COLOR_ID,
				TopologyViewerLightingPreferenceConstants.AMBIENT_LIGHT_COLOR_DEFAULT);

		String vectorString = getTuple3dPreferenceStoreString(
				TopologyViewerLightingPreferenceConstants.AMBIENT_LIGHT_DIRECTION_DEFAULT);
		store.setDefault(TopologyViewerLightingPreferenceConstants.AMBIENT_LIGHT_DIRECTION_ID, vectorString);
	}

	public static String getTuple3dPreferenceStoreString(Tuple3d tuple3d) {
		String vectorString = tuple3d.getX() + ", " + tuple3d.getY() + ", " + tuple3d.getZ();

		return vectorString;
	}

	public static Tuple3d getTuple3dFromPreferenceStoreString(String vectorString) {
		Tuple3d direction = null;
		if (vectorString != null) {
			String[] items = vectorString.split(",");
			if (items.length >= 3) {
				double x = Double.parseDouble(items[0].trim());
				double y = Double.parseDouble(items[1].trim());
				double z = Double.parseDouble(items[2].trim());

				direction = ApogyCommonMathFacade.INSTANCE.createTuple3d(x, y, z);
			}
		}
		return direction;
	}

	public static Tuple3d getTuple3dFromPreferenceStore(IPreferenceStore store) {
		String string = store.getString(TopologyViewerLightingPreferenceConstants.AMBIENT_LIGHT_DIRECTION_ID);
		return getTuple3dFromPreferenceStoreString(string);
	}

}