org.eclipse.osbp.preferences.ui.page/src/org/eclipse/osbp/preferences/ui/page/PreferencePageVerifyDependencies.java

/**
 *                                                                            
 * Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 *                                                                            
 * 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:   
 * Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation 
 */
package org.eclipse.osbp.preferences.ui.page;

import java.util.ArrayList;

import org.apache.commons.lang3.reflect.FieldUtils;
import org.eclipse.jface.preference.FieldEditor;
import org.eclipse.osbp.preferences.Preference;
import org.eclipse.osbp.preferences.ui.component.APreferencePage;
import org.eclipse.osbp.preferences.ui.component.Item;
import org.eclipse.osbp.preferences.ui.component.Type;
import org.eclipse.osbp.preferences.ui.data.ProductConfigurationStore;

public class PreferencePageVerifyDependencies extends APreferencePage {

	public PreferencePageVerifyDependencies() {
		super(
			"verifyDependencies",
			"verifyDependencies"
		);
		noDefaultAndApplyButton();
	}
	
	@Override
	protected Item[] initializeItems() {
		return new Item[] {
			new Item(Type.TEXT, Preference.SHOW_PRODUCT_CONFIGURATION, "Product Configuration", false),
			new Item(""),
			new Item(Type.TREE_PRODUCTCONFIGURATION, Preference.PRODUCTCONFIGURATION, "Product Bundle Configuration"),
		};
	}

	protected void refresh() {
		// force reload the of product preferences
		ProductConfigurationStore.instance().getProductConfigurationPrefs().forceReloadConfiguration();
		try {
			// load any contained field editors, to force re-verifying the configuration files
			Object value = FieldUtils.readField(this, "fields", true);
			if	((value instanceof ArrayList<?>) && !((ArrayList<?>)value).isEmpty()) {
				for	(FieldEditor editor : (ArrayList<FieldEditor>)value) {
					editor.load();
				}
			}
		}
		catch (IllegalAccessException e) {
			e.printStackTrace();
		}
	}
	
	/**
	 *  every time the property page gets visible - again - the configuration files will verification will be refreshed.
	 */
    @Override
	public void setVisible(boolean visible) {
    	if	(!getControl().isVisible() && visible) {
    		refresh();
    	}
        super.setVisible(visible);
    }
}