com.foosbar.mailsnag.views.MessageLabelProvider.java Source code

Introduction

Here is the source code for com.foosbar.mailsnag.views.MessageLabelProvider.java

Source

/*******************************************************************************
 * Copyright (c) 2010-2013 Foos-Bar.com
 * 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:
 * Kevin Kelley - initial API and implementation
 *******************************************************************************/
package com.foosbar.mailsnag.views;

import java.text.DateFormat;
import java.util.Locale;

import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.viewers.ITableColorProvider;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;

import com.foosbar.mailsnag.model.Message;

/**
 * Returns the label for each of the columns based on the index for that
 * column.
 * 
 * @author Kevin Kelley
 */
public class MessageLabelProvider extends LabelProvider
        implements ITableLabelProvider, ITableFontProvider, ITableColorProvider {

    // Locale Specific Date Formatter
    private static final DateFormat DATE_FORMATTER = DateFormat.getDateTimeInstance(DateFormat.LONG,
            DateFormat.SHORT, Locale.getDefault());

    /**
     * Based on the index of each column, return the proper value to populate
     * the data.
     */
    public String getColumnText(Object obj, int index) {
        Message message = (Message) obj;
        switch (index) {
        case 0:
            return null;
        case 1:
            return message.getFrom();
        case 2:
            return message.getTo();
        case 3:
            return message.getCc();
        case 4:
            return message.getSubject();
        case 5:
            if (message.getReceived() == null) {
                return "";
            } else {
                return DATE_FORMATTER.format(message.getReceived());
            }
        default:
            throw new RuntimeException("Should not happen");
        }
    }

    /**
     * Returns an attachment icon for the first column (index == 0) if the
     * message contains an attachment
     */
    public Image getColumnImage(Object obj, int index) {
        if (index > 0) {
            return null;
        }

        Message message = (Message) obj;

        if (message.hasAttachments()) {
            return getImage(obj);
        }

        return null;
    }

    @Override
    public Image getImage(Object obj) {
        return Images.ATTACHMENT.createImage();
    }

    /**
     * Not overriding the default foreground color
     */
    public Color getForeground(Object element, int columnIndex) {
        return null;
    }

    /**
     * Not overriding the default background color
     */
    public Color getBackground(Object element, int columnIndex) {
        return null;
    }

    public Font getFont(Object element, int columnIndex) {
        return getFont((Message) element);
    }

    public Font getFont(Message message) {
        if (message.isUnread()) {
            return JFaceResources.getFontRegistry().getBold(JFaceResources.DIALOG_FONT);
        } else {
            return null;
        }
    }
}