org.eclipse.osbp.xtext.table.common/src/org/eclipse/osbp/xtext/table/common/TableFilterGenerator.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.xtext.table.common;

import java.io.Serializable;

import org.tepi.filtertable.FilterGenerator;

import com.vaadin.data.Container.Filter;
import com.vaadin.ui.AbstractField;
import com.vaadin.ui.Field;


@SuppressWarnings("serial")
public class TableFilterGenerator implements FilterGenerator, Serializable {


    @Override
    public Filter generateFilter(Object propertyId, Object value) {
//        if ("id".equals(propertyId)) {
//            /* Create an 'equals' filter for the ID field */
//            if (value != null && value instanceof String) {
//                try {
//                    return new Compare.Equal(propertyId,
//                            Integer.parseInt((String) value));
//                } catch (NumberFormatException ignored) {
//                    // If no integer was entered, just generate default filter
//                }
//            }
//        } else if ("checked".equals(propertyId)) {
//            if (value != null && value instanceof Boolean) {
//                if (Boolean.TRUE.equals(value)) {
//                    return new Compare.Equal(propertyId, value);
//                } else {
//                    return new Or(new Compare.Equal(propertyId, true),
//                            new Compare.Equal(propertyId, false));
//                }
//            }
//        }
        // For other properties, use the default filter
        return null;
    }


    @Override
    public Filter generateFilter(Object propertyId, Field<?> originatingField) {
        // Use the default filter
        return null;
    }


    @Override
    public AbstractField<?> getCustomFilterComponent(Object propertyId) {
        // removed custom filter component for id
//        if ("checked".equals(propertyId)) {
//            CheckBox box = new CheckBox();
//            return box;
//        }
        return null;
    }


    @Override
    public void filterRemoved(Object propertyId) {
//        Notification n = new Notification("Filter removed from: " + propertyId,
//                Notification.Type.TRAY_NOTIFICATION);
//        n.setDelayMsec(800);
//        n.show(Page.getCurrent());
    }


    @Override
    public void filterAdded(Object propertyId,
            Class<? extends Filter> filterType, Object value) {
//        Notification n = new Notification("Filter added to: " + propertyId,
//                Notification.Type.TRAY_NOTIFICATION);
//        n.setDelayMsec(800);
//        n.show(Page.getCurrent());
    }


    @Override
    public Filter filterGeneratorFailed(Exception reason, Object propertyId,
            Object value) {
        /* Return null -> Does not add any filter on failure */
        return null;
    }
}