org.eclipse.ecf.salvo.ui.internal.editor.ArticlePaneLabelProvider.java Source code

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Here is the source code for org.eclipse.ecf.salvo.ui.internal.editor.ArticlePaneLabelProvider.java

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/*******************************************************************************
 *  Copyright (c) 2010 Weltevree Beheer BV, Remain Software & Industrial-TSI
 *                                                                      
 * 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:                                                        
 *    Wim Jongman - initial API and implementation
 *******************************************************************************/
package org.eclipse.ecf.salvo.ui.internal.editor;

import java.text.DateFormat;
import java.util.Date;

import org.apache.james.mime4j.codec.DecoderUtil;
import org.eclipse.ecf.protocol.nntp.core.DateParser;
import org.eclipse.ecf.protocol.nntp.model.IArticle;
import org.eclipse.ecf.salvo.ui.internal.resources.ISalvoResource;
import org.eclipse.ecf.salvo.ui.tools.DateUtils;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;

public class ArticlePaneLabelProvider implements ITableLabelProvider, ITableFontProvider, ITableColorProvider {

    private static Font unreadArticle;
    private static Font unreadReplies;
    private static Color mineColor;
    private static Color commentColor;

    static {

        Font font = JFaceResources.getDefaultFont();

        FontData fd = font.getFontData()[0];
        fd.setStyle(SWT.BOLD);
        unreadArticle = new Font(font.getDevice(), fd);

        fd = font.getFontData()[0];
        fd.setStyle(SWT.ITALIC);
        unreadReplies = new Font(font.getDevice(), fd);

        mineColor = Display.getDefault().getSystemColor(SWT.COLOR_MAGENTA);
        commentColor = Display.getDefault().getSystemColor(SWT.COLOR_DARK_MAGENTA);
    }

    public Image getColumnImage(Object element, int columnIndex) {
        return null;
    }

    public String getColumnText(Object element, int columnIndex) {

        if (element instanceof ISalvoResource) {

            IArticle article = (IArticle) ((ISalvoResource) element).getObject();

            if (columnIndex == 0)
                return DecoderUtil.decodeEncodedWords(article.getSubject());
            if (columnIndex == 1)
                return DecoderUtil.decodeEncodedWords(article.getFullUserName());
            if (columnIndex == 2) {
                Date date = DateParser.parseRFC822(article.getDate());
                return DateUtils.instance().getNiceDate(article, date);
            }
            if (columnIndex == 3)
                return article.getFormattedSize();
            if (columnIndex == 4)
                return "?6?";

        }

        return "dunno";
    }

    /**
     * Makes a pleasant readable date like "today 12:15" or "12:15"
     * 
     * @param article
     * @param date
     * @return
     */
    private String getNiceDate(IArticle article, Date date) {

        // TODO - Remove this method if needed. This functionality is available in DateUtil class

        // FIXME - Make a nice date
        return date == null ? article.getDate()
                : DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT).format(date);
    }

    public void addListener(ILabelProviderListener listener) {
    }

    public void dispose() {
    }

    public boolean isLabelProperty(Object element, String property) {
        return false;
    }

    public void removeListener(ILabelProviderListener listener) {
    }

    public Font getFont(Object element, int columnIndex) {

        IArticle article = (IArticle) ((ISalvoResource) element).getObject();

        if (columnIndex == 0) {
            if (!article.isRead()) {
                return unreadArticle;
            }
            if (!article.isReplyRead()) {
                return unreadReplies;
            }
        }

        return JFaceResources.getDefaultFont();
    }

    public Color getBackground(Object element, int columnIndex) {
        return null;
    }

    public Color getForeground(Object element, int columnIndex) {
        IArticle article = (IArticle) ((ISalvoResource) element).getObject();

        if (columnIndex == 0) {
            if (article.isCommenting()) {
                return commentColor;
            }
            if (article.isMine()) {
                return mineColor;
            }
        }
        return null;
    }
}