org.testeditor.dashboard.MyViewerComparator.java Source code

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Here is the source code for org.testeditor.dashboard.MyViewerComparator.java

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/*******************************************************************************
 * Copyright (c) 2012 - 2015 Signal Iduna Corporation 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:
 * Signal Iduna Corporation - initial API and implementation
 * akquinet AG
 *******************************************************************************/
package org.testeditor.dashboard;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import org.apache.log4j.Logger;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;

/**
 * @author alebedev
 * 
 *         sorting for columns
 */
public class MyViewerComparator extends ViewerComparator {

    /**
     * The Logger.
     */
    private static final Logger LOGGER = Logger.getLogger(MyViewerComparator.class);
    /**
     * Representing the descending order.
     */
    private static final int DESCENDING = 1;
    /**
     * Currently selected property.
     */
    private int propertyIndex;
    /**
     * Currently selected direction.
     */
    private int direction;

    /**
     * Constructor.
     */
    public MyViewerComparator() {
        this.propertyIndex = 0;
        this.direction = DESCENDING;
    }

    /**
     * returns sorting direction.
     * 
     * @return SWT.DOWN or UP
     */
    public int getDirection() {
        if (direction == DESCENDING) {
            return SWT.DOWN;
        } else {
            return SWT.UP;
        }
    }

    /**
     * selecting column for sorting.
     * 
     * @param column
     *            table column number
     */
    public void setColumn(int column) {
        if (column == this.propertyIndex) {
            // Same column as last sort; toggle the direction
            direction = 1 - direction;
        } else {
            // New column; do an ascending sort
            this.propertyIndex = column;
            direction = DESCENDING;
        }
    }

    @Override
    public int compare(Viewer viewer, Object e1, Object e2) {
        TestResult testResult1 = (TestResult) e1;
        TestResult testResult2 = (TestResult) e2;

        int rc = 0;
        switch (propertyIndex) {
        case 0:
            Date date1 = stringToDate(testResult1.getDate());
            Date date2 = stringToDate(testResult2.getDate());

            rc = date1.compareTo(date2);
            break;
        case 1:
            rc = testResult1.getName().compareTo(testResult2.getName());
            break;
        case 2:
            rc = testResult1.getResult().compareTo(testResult2.getResult());
            break;
        case 3:
            rc = new Integer(testResult1.getQuantityRight()).compareTo(new Integer(testResult2.getQuantityRight()));
            break;
        case 4:
            rc = new Integer(testResult1.getQuantityWrong()).compareTo(new Integer(testResult2.getQuantityWrong()));
            break;
        case 5:
            rc = new Integer(testResult1.getDuration()).compareTo(new Integer(testResult2.getDuration()));
            break;
        case 6:
            rc = new Integer(testResult1.getRunCount()).compareTo(new Integer(testResult2.getRunCount()));
            break;

        default:
            rc = 0;
        }
        // If descending order, flip the direction
        if (direction == DESCENDING) {
            rc = -rc;
        }
        return rc;
    }

    /**
     * Formats date in specified string ("dd/MM/yyyy HH:mm:ss").
     * 
     * @param dateString
     *            date to format
     * @param date
     *            formatted date
     * @return formated date
     * @throws ParseException
     */
    private Date stringToDate(String dateString) {

        Date date = null;
        try {
            date = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss").parse(dateString);
        } catch (ParseException e) {
            LOGGER.warn("Date parsing error ");
        }

        return date;
    }
}