001    /*
002     * $Id: HydraControl.java,v 1.15 2012/02/19 17:35:38 davep Exp $
003     *
004     * This file is part of McIDAS-V
005     *
006     * Copyright 2007-2012
007     * Space Science and Engineering Center (SSEC)
008     * University of Wisconsin - Madison
009     * 1225 W. Dayton Street, Madison, WI 53706, USA
010     * https://www.ssec.wisc.edu/mcidas
011     * 
012     * All Rights Reserved
013     * 
014     * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
015     * some McIDAS-V source code is based on IDV and VisAD source code.  
016     * 
017     * McIDAS-V is free software; you can redistribute it and/or modify
018     * it under the terms of the GNU Lesser Public License as published by
019     * the Free Software Foundation; either version 3 of the License, or
020     * (at your option) any later version.
021     * 
022     * McIDAS-V is distributed in the hope that it will be useful,
023     * but WITHOUT ANY WARRANTY; without even the implied warranty of
024     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
025     * GNU Lesser Public License for more details.
026     * 
027     * You should have received a copy of the GNU Lesser Public License
028     * along with this program.  If not, see http://www.gnu.org/licenses.
029     */
030    
031    package edu.wisc.ssec.mcidasv.control;
032    
033    import edu.wisc.ssec.mcidasv.display.hydra.MultiSpectralDisplay;
034    import ucar.unidata.idv.control.DisplayControlImpl;
035    import ucar.unidata.idv.control.SelectRangeWidget;
036    import ucar.visad.display.ColorScale;
037    import ucar.unidata.util.Range;
038    import ucar.unidata.util.LogUtil;
039    
040    public abstract class HydraControl extends DisplayControlImpl {
041    
042    //    public abstract boolean init(DataChoice dataChoice) throws VisADException, RemoteException;
043    //    
044    //    public abstract void initDone();
045    //    
046    //    public abstract MapProjection getDataProjection();
047    
048        public void updateRange(Range range) {
049            if (ctw != null)
050              ctw.setRange(range);
051    
052            try {
053                SelectRangeWidget srw = getSelectRangeWidget(range);
054                if (srw != null) {
055                    srw.setRange(range);
056                }
057            } catch (Exception e) {
058                LogUtil.logException("Error updating select range widget", e);
059            }
060    
061            if (colorScales != null) {
062                ColorScale scale = (ColorScale) colorScales.get(0);
063                try {
064                    scale.setRangeForColor(range.getMin(), range.getMax());
065                }
066                catch (Exception exc) {
067                    LogUtil.logException("Error updating display ColorScale range", exc);
068                }
069            }
070        }
071    
072        public void handleChannelChange(final float newChan) {
073            return;
074        }
075    
076        protected abstract MultiSpectralDisplay getMultiSpectralDisplay();
077    }