com.hudren.woodpile.views.LogExplorerViewLabelProvider.java Source code

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Here is the source code for com.hudren.woodpile.views.LogExplorerViewLabelProvider.java

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/*
 * Project: com.hudren.woodpile
 * File:    LogExplorerViewLabelProvider.java
 *
 * Author:  Jeff Hudren
 * Created: Jul 16, 2006
 *
 * Copyright (c) 2006-2013 Hudren Andromeda Connection. All rights reserved. 
 * 
 * The use and distribution terms for this software are covered by the
 * Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
 * which can be found in the file epl-v10.html at the root of this distribution.
 * 
 * By using this software in any fashion, you are agreeing to be bound by
 * the terms of this license.
 * 
 * You must not remove this notice, or any other, from this software.
 */

package com.hudren.woodpile.views;

import java.text.DateFormat;
import java.util.HashMap;
import java.util.Map;

import org.apache.log4j.Level;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;

import com.hudren.woodpile.WoodpilePlugin;
import com.hudren.woodpile.model.Log;
import com.hudren.woodpile.model.Session;

/**
 * TODO LogExplorerViewLabelProvider description
 * 
 * @author Jeff Hudren
 */
public class LogExplorerViewLabelProvider extends LabelProvider implements IFontProvider {

    private final DateFormat df = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT);

    private final Map<Level, Image> icons = new HashMap<Level, Image>();

    private Image logImage;

    private Font boldFont;

    /**
      * 
      */
    public LogExplorerViewLabelProvider(final Viewer viewer) {
        super();

        createIcons();

        logImage = WoodpilePlugin.getDefault().getImage("icons/log_session.gif");

        final Font normalFont = viewer.getControl().getFont();
        final FontData[] fda = normalFont.getFontData();
        for (final FontData df : fda) {
            df.setStyle(df.getStyle() | SWT.BOLD);
        }
        boldFont = new Font(null, fda);
    }

    void createIcons() {
        icons.put(Level.FATAL, WoodpilePlugin.getDefault().getImage("icons/fatalerror_obj.gif"));
        icons.put(Level.ERROR, WoodpilePlugin.getDefault().getImage("icons/error_obj.gif"));
        icons.put(Level.WARN, WoodpilePlugin.getDefault().getImage("icons/warning_obj.gif"));
        icons.put(Level.INFO, WoodpilePlugin.getDefault().getImage("icons/information.gif"));
        icons.put(Level.DEBUG, WoodpilePlugin.getDefault().getImage("icons/ldebug_obj.gif"));
        icons.put(Level.TRACE, WoodpilePlugin.getDefault().getImage("icons/trace.gif"));
    }

    /**
     * @see org.eclipse.jface.viewers.LabelProvider#dispose()
     */
    @Override
    public void dispose() {
        if (boldFont != null)
            boldFont.dispose();

        super.dispose();
    }

    /**
     * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
     */
    @Override
    public String getText(final Object element) {
        if (element instanceof Log)
            return ((Log) element).getName();

        if (element instanceof Session)
            return df.format(((Session) element).getStartTime());

        return super.getText(element);
    }

    /**
     * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
     */
    @Override
    public Image getImage(final Object element) {
        if (element instanceof Log)
            return logImage;

        if (element instanceof Session)
            return icons.get(((Session) element).getHighestLevel());

        return null;
    }

    /**
     * @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
     */
    @Override
    public Font getFont(final Object element) {
        if (element instanceof Log) {
            if (((Log) element).isActive())
                return boldFont;
        }

        if (element instanceof Session) {
            if (((Session) element).isActive())
                return boldFont;
        }

        return null;
    }

}