org.key2gym.client.highlighters.ExpirationDateHighlighter.java Source code

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Here is the source code for org.key2gym.client.highlighters.ExpirationDateHighlighter.java

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/*
 * Copyright 2012-2013 Danylo Vashchilenko
 *
 * Licensed 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 org.key2gym.client.highlighters;

import javax.swing.JTextField;

import org.joda.time.DateMidnight;
import org.joda.time.Days;
import org.joda.time.format.DateTimeFormat;
import org.key2gym.client.colors.Palette;

/**
 * 
 * @author Danylo Vashchilenko
 */
public class ExpirationDateHighlighter extends AbstractHighlighter {

    public ExpirationDateHighlighter(JTextField textField) {
        super(textField);
    }

    /**
     * Updates the component's highlight.
     */
    @Override
    protected ColorScheme getHighlightModelFor(String text) {

        DateMidnight value;

        try {
            value = DateMidnight.parse(text, DateTimeFormat.forPattern("dd-MM-yyyy"));
        } catch (IllegalArgumentException ex) {
            value = null;
        }

        if (value == null) {
            return NULL_SCHEME;
        }

        int daysTillExpiration = Days.daysBetween(DateMidnight.now(), value).getDays();

        if (daysTillExpiration > 2) {
            return NOT_SOON_SCHEME;
        } else if (daysTillExpiration > 0) {
            return SOON_SCHEME;
        } else {
            return PASSED_SCHEME;
        }
    }

    private static final ColorScheme SOON_SCHEME = new ColorScheme(Palette.EXPIRATION_DATE_SOON_BACKGROUND,
            Palette.EXPIRATION_DATE_SOON_FOREGROUND);

    private static final ColorScheme PASSED_SCHEME = new ColorScheme(Palette.EXPIRATION_DATE_PASSED_BACKGROUND,
            Palette.EXPIRATION_DATE_PASSED_FOREGROUND);

    private static final ColorScheme NOT_SOON_SCHEME = new ColorScheme(Palette.EXPIRATION_DATE_NOT_SOON_BACKGROUND,
            Palette.EXPIRATION_DATE_NOT_SOON_FOREGROUND);
}