dk.teachus.frontend.utils.WeekDayChoiceRenderer.java Source code

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Here is the source code for dk.teachus.frontend.utils.WeekDayChoiceRenderer.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package dk.teachus.frontend.utils;

import java.util.List;

import org.apache.wicket.markup.html.form.ChoiceRenderer;
import org.joda.time.DateTime;
import org.joda.time.format.DateTimeFormatter;

import dk.teachus.backend.domain.impl.PeriodImpl.WeekDay;

public class WeekDayChoiceRenderer extends ChoiceRenderer<Object> {
    private static final long serialVersionUID = 1L;

    public static enum Format {
        SHORT, LONG;
    }

    private Format format;

    public WeekDayChoiceRenderer(Format format) {
        this.format = format;
    }

    @SuppressWarnings("unchecked")
    @Override
    public Object getDisplayValue(Object object) {
        StringBuilder display = new StringBuilder();
        DateTimeFormatter formatter = null;
        if (format == Format.LONG) {
            formatter = Formatters.getFormatWeekDay();
        } else if (format == Format.SHORT) {
            formatter = Formatters.getFormatWeekDayShort();
        }

        if (object != null) {
            if (object instanceof List) {
                DateTime dt = new DateTime();
                List<WeekDay> weekDays = (List<WeekDay>) object;

                for (WeekDay weekDay : weekDays) {
                    if (display.length() > 0) {
                        display.append(", "); //$NON-NLS-1$
                    }

                    dt = dt.withDayOfWeek(weekDay.getYodaWeekDay());
                    display.append(formatter.print(dt));

                }
            } else if (object instanceof WeekDay) {
                WeekDay weekDay = (WeekDay) object;
                DateTime dt = new DateTime().withDayOfWeek(weekDay.getYodaWeekDay());
                display.append(formatter.print(dt));
            }
        }

        return display;
    }
}