TMF: Call postDrawEvent also for transparent events in time graph control

[deliverable/tracecompass.git] / org.eclipse.tracecompass.tmf.ui / src / org / eclipse / tracecompass / internal / tmf / ui / viewers / events / columns / TmfContentsColumn.java

/*******************************************************************************
 * Copyright (c) 2014 Ericsson
 *
 * 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:
 *   Alexandre Montplaisir - Initial API and implementation
 ******************************************************************************/

package org.eclipse.tracecompass.internal.tmf.ui.viewers.events.columns;

import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.tracecompass.internal.tmf.ui.Messages;
import org.eclipse.tracecompass.tmf.core.event.ITmfEvent;
import org.eclipse.tracecompass.tmf.ui.viewers.events.columns.TmfEventTableColumn;

/**
 * Column for the event contents (fields)
 *
 * @author Alexandre Montplaisir
 */
public final class TmfContentsColumn extends TmfEventTableColumn {

    @SuppressWarnings("null")
    private static final @NonNull String HEADER = Messages.TmfEventsTable_ContentColumnHeader;

    /**
     * Constructor
     */
    public TmfContentsColumn() {
        super(HEADER);
    }

    @Override
    public String getItemString(ITmfEvent event) {
        String ret = event.getContent().toString();
        return (ret == null ? EMPTY_STRING : ret);
    }

    @Override
    public String getFilterFieldId() {
        return ITmfEvent.EVENT_FIELD_CONTENT;
    }
}