/* ======================================================================
The Bodington System Software License, Version 1.0

Copyright (c) 2001 The University of Leeds.  All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

1.  Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

2.  Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.

3.  The end-user documentation included with the redistribution, if any,
must include the following acknowledgement:  "This product includes
software developed by the University of Leeds
(http://www.bodington.org/)."  Alternately, this acknowledgement may
appear in the software itself, if and wherever such third-party
acknowledgements normally appear.

4.  The names "Bodington", "Nathan Bodington", "Bodington System",
"Bodington Open Source Project", and "The University of Leeds" must not be
used to endorse or promote products derived from this software without
prior written permission. For written permission, please contact
d.gardner@leeds.ac.uk.

5.  The name "Bodington" may not appear in the name of products derived
from this software without prior written permission of the University of
Leeds.

THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO,  TITLE,  THE IMPLIED WARRANTIES
OF QUALITY  AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
EVENT SHALL THE UNIVERSITY OF LEEDS OR ITS CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
=========================================================

This software was originally created by the University of Leeds and may contain voluntary
contributions from others.  For more information on the Bodington Open Source Project, please
see http://bodington.org/

====================================================================== */

package org.bodington.server.resources;

import org.bodington.database.PrimaryKey;
import org.apache.log4j.Logger;


public class ImageBlockResource extends Resource
{
    private static final int DISPLAY_TITLE = 1;
    private static final int DISPLAY_DESCRIPTION = 2;
    
    private int imageblock_flags;
    private String sourceURL;
    private String altTagText;
    private String linkHREF;
    private String imageHeight;
    private String imageWidth;
    
    public int getResourceType()
    {
        return RESOURCE_IMAGEBLOCK;
    }
    
    public PrimaryKey getImageBlockId()
    {
        return getResourceId();
    }
    
    public void setImageBlockId(PrimaryKey key)
    {
        setResourceId(key);
    }
    
    public boolean isDisplayTitle()
    {
        return (imageblock_flags & DISPLAY_TITLE) != 0;
    }
    
    public void setDisplayTitle(boolean b)
    {
        if (b == isDisplayTitle())
            return;
        
        setImageBlockFlags(imageblock_flags ^ DISPLAY_TITLE);
    }
    
    public boolean isDisplayDescription()
    {
        return (imageblock_flags & DISPLAY_DESCRIPTION) != 0;
    }
    
    public void setDisplayDescription(boolean b)
    {
        if (b == isDisplayDescription())
            return;
        
        setImageBlockFlags(imageblock_flags ^ DISPLAY_DESCRIPTION);
    }
    
    public int getImageBlockFlags()
    {
        return imageblock_flags;
    }
    
    public void setImageBlockFlags( int f )
    {
        if ( f==imageblock_flags ) return;
        imageblock_flags=f;
        setUnsaved();
    }
    
    public String getSourceURL()
    {
        if (sourceURL != null)
        {
            return sourceURL;
        }
        // shouldn't ever be null, ImageBlockfacility.initResource() should prevent it.
        return "Source URL for image not set.";
    }

    public void setSourceURL(String sourceURL)
    {
        if (sourceURL != null)
        {
            this.sourceURL = sourceURL;
        }
    }
    
    public String getAltTagText()
    {
        if (altTagText != null)
        {
            return altTagText;
        }
        // ideally users should be forced to set an alt tag value...
        return "";
    }

    public void setAltTagText(String altTagText)
    {
        if (altTagText != null)
        {
            this.altTagText = altTagText;
        }
    }
    
    public boolean isLink()
    {    
        return getLinkHREF() != null;
    }
    
    public String getLinkHREF()
    {
        if (linkHREF != null && linkHREF.equals(""))
        {
            return null;
        }
        
        return linkHREF;
    }

    public void setLinkHREF(String linkHREF)
    {
        this.linkHREF = linkHREF;
    }
    
    public String getImageHeight()
    {
        if (imageHeight != null && imageHeight.equals(""))
        {
            return null;
        }
        return imageHeight;
    }

    public void setImageHeight(String imageHeight)
    {
        this.imageHeight = imageHeight;
    }
    
    public String getImageWidth()
    {
        if (imageWidth != null && imageWidth.equals(""))
        {
            return null;
        }
        return imageWidth;
    }

    public void setImageWidth(String imageWidth)
    {
        this.imageWidth = imageWidth;
    }
    
}