plugins/org.eclipse.amalgam.explorer.activity/src/org/eclipse/amalgam/explorer/activity/internal/preferences/ActivityExplorerPreferencePage.java

/*******************************************************************************
 * Copyright (c)  2006, 2015 THALES GLOBAL SERVICES.
 * 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:
 *    Thales - initial API and implementation
 *******************************************************************************/
package org.eclipse.amalgam.explorer.activity.internal.preferences;

import java.io.IOException;

import org.eclipse.amalgam.explorer.activity.ActivityExplorerActivator;
import org.eclipse.amalgam.explorer.activity.api.preferences.PreferenceConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.BooleanFieldEditor;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.jface.preference.FieldEditorPreferencePage;
import org.eclipse.jface.preference.IPersistentPreferenceStore;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;

/**
 * 
 */
public class ActivityExplorerPreferencePage extends FieldEditorPreferencePage implements IWorkbenchPreferencePage {

	/**
	 * Constructor
	 */
	public ActivityExplorerPreferencePage() {
		super();
		setDescription(Messages.ActivityExplorerPreferencePage_0);

	}

	/**
	 * @see org.eclipse.jface.preference.PreferencePage#performDefaults()
	 */
	@Override
	protected void performDefaults() {
		super.performDefaults();
	}

	/**
	 * @see org.eclipse.jface.preference.FieldEditorPreferencePage#performOk()
	 */
	@Override
	public boolean performOk() {
		boolean ok = super.performOk();
		IPreferenceStore store = getPreferenceStore();
		if (store instanceof IPersistentPreferenceStore) {
			try {
				((IPersistentPreferenceStore) store).save();

			} catch (IOException e) {
				MessageDialog.openError(getShell(), Messages.ActivityExplorerPreferencePage_1, e.getMessage());
				return false;
			}
		}
		return ok;
	}

	/**
	 * {@inheritDoc}
	 * 
	 * @see org.eclipse.jface.preference.FieldEditorPreferencePage#createFieldEditors()
	 */
	@Override
	public void createFieldEditors() {
		FieldEditor viewpointsSelection = new BooleanFieldEditor(PreferenceConstants.P_OPEN_ACTIVITY_EXPLORER,
				Messages.ActivityExplorerPreferencePage_2, getFieldEditorParent());
		addField(viewpointsSelection);
	}

	/**
	 * Initialize the Store.
	 */
	public void init(IWorkbench workbench) {
		setPreferenceStore(ActivityExplorerActivator.getDefault().getPreferenceStore());
	}

}