verdandi.model.WeekSelectorModel.java Source code

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Here is the source code for verdandi.model.WeekSelectorModel.java

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/*******************************************************************************
 * Copyright 2010 Olaf Sebelin
 * 
 * This file is part of Verdandi.
 * 
 * Verdandi is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Verdandi is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Verdandi.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
/*
 * Created on 30.09.2005
 * Author: osebelin
 *
 */
package verdandi.model;

import java.text.DateFormat;
import java.util.Calendar;

import javax.swing.AbstractSpinnerModel;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class WeekSelectorModel extends AbstractSpinnerModel {

    private Calendar cal;

    private static final String WEEK_OF_YEAR_PREFIX = "KW ";

    private static final Log LOG = LogFactory.getLog(WeekSelectorModel.class);

    private DateFormat dfmt = DateFormat.getDateInstance(DateFormat.SHORT);

    private CurrentWeekModel parent;

    public WeekSelectorModel(CurrentWeekModel parentModel) {
        super();
        parent = parentModel;
        cal = parentModel.getCurrentWeek();
        cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
    }

    private String getDateValue(int diff) {
        Calendar other = (Calendar) cal.clone();
        StringBuffer buf = new StringBuffer();
        buf.append(WEEK_OF_YEAR_PREFIX);
        if (diff != 0) {
            other.add(Calendar.WEEK_OF_YEAR, diff);
            LOG.debug("Current date: " + cal.getTime() + ", New Date: " + other.getTime() + ", diff: " + diff);

        }
        if (other.get(Calendar.WEEK_OF_YEAR) < 10) {
            buf.append("0");
        }
        buf.append(other.get(Calendar.WEEK_OF_YEAR));
        buf.append(": ");
        other.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        buf.append(dfmt.format(other.getTime()));
        buf.append(" - ");
        other.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
        buf.append(dfmt.format(other.getTime()));
        return buf.toString();
    }

    private String getDateValue() {
        StringBuffer buf = new StringBuffer();
        Calendar cal = (Calendar) parent.getCurrentWeek().clone();
        buf.append(WEEK_OF_YEAR_PREFIX);
        if (cal.get(Calendar.WEEK_OF_YEAR) < 10) {
            buf.append("0");
        }
        buf.append(cal.get(Calendar.WEEK_OF_YEAR));
        buf.append(": ");
        cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
        buf.append(dfmt.format(cal.getTime()));
        buf.append(" - ");
        cal.set(Calendar.DAY_OF_WEEK, Calendar.SUNDAY);
        buf.append(dfmt.format(cal.getTime()));
        return buf.toString();
    }

    public Object getNextValue() {
        parent.addToCurrentWeek(1);
        return getDateValue();
    }

    public Object getPreviousValue() {
        parent.addToCurrentWeek(-1);
        return getDateValue();
    }

    public Object getValue() {
        return getDateValue();
    }

    public void setValue(Object val) {
        fireStateChanged();
    }

    private String getDateRep(int dayOfWeek) {
        Calendar res = (Calendar) cal.clone();
        res.set(Calendar.DAY_OF_WEEK, dayOfWeek);
        return dfmt.format(res.getTime());
    }

    public String getCurrentMondaySundayRange() {
        return getDateRep(Calendar.MONDAY) + " - " + getDateRep(Calendar.SUNDAY);
    }

}