org.pepstock.jem.plugin.views.jobs.running.RunningLabelProvider.java Source code

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/*******************************************************************************
 * Copyright (C) 2012-2015 pepstock.org
 * 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:
*     Enrico Frigo - initial API and implementation
 ******************************************************************************/
package org.pepstock.jem.plugin.views.jobs.running;

import java.util.Date;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.widgets.Display;
import org.pepstock.jem.Job;
import org.pepstock.jem.plugin.util.TimeDisplayUtils;

/**
 * Provides the labels to use inside the RUNNING jobs table, for each job.
 * @author Andrea "Stock" Stocchero
 * @version 1.4
 */
public class RunningLabelProvider extends ColumnLabelProvider {

    /**
     * Returns the text of column, using job and column index
     * @param obj job instance
     * @param index column index
     * @return text of column
     */
    public String getColumnText(Object obj, int index) {
        Job job = (Job) obj;
        // gets running time
        Date startedTime = job.getStartedTime();
        String rt = TimeDisplayUtils.getReadableTimeDiff(startedTime);
        switch (index) {
        case 0:
            // job name
            return job.getName();
        case 1:
            // jcl type
            return job.getJcl().getType();
        case 2:
            // user
            return (job.isUserSurrogated()) ? job.getJcl().getUser() : job.getUser();
        case 3:
            // step
            return job.getCurrentStep().getName();
        case 4:
            // domain
            return job.getJcl().getDomain();
        case 5:
            // affinity
            return job.getJcl().getAffinity();
        case 6:
            // running time
            return rt;
        case 7:
            // memory
            return String.valueOf(job.getJcl().getMemory());
        case 8:
            // node member
            return job.getMemberLabel();
        default:
            // default null
            return null;
        }
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ColumnLabelProvider#update(org.eclipse.jface.viewers.ViewerCell)
     */
    @Override
    public void update(ViewerCell cell) {
        cell.setText(getColumnText(cell.getElement(), cell.getColumnIndex()));
        Job job = (Job) cell.getElement();
        // if job is waiting, sets gray color
        if (job.getRunningStatus() == Job.WAITING_FOR_RESOURCES) {
            Display display = Display.getCurrent();
            Color gray = display.getSystemColor(SWT.COLOR_GRAY);
            cell.setForeground(gray);
        } else {
            Display display = Display.getCurrent();
            Color gray = display.getSystemColor(SWT.COLOR_BLACK);
            cell.setForeground(gray);
        }
    }
}