Re: Image store using Servlet

in message <1162820066.409528.11010@h54g2000cwb.googlegroups.com>, Nike
('nike83@gmail.com') wrote:


As an example:

/**
 * Add or edit a picture in the database.
 *
 * @author Simon Brooke
 * @version $Revision: 1.5.2.1 $ This revision: $Author: simon_brooke $
 */
public class Picture extends ArticleAuxForm
{
        //~ Static fields/initializers ------------------------------------

        /** fields in my table: the article field */
        public static final String ARTICLEFN = Article.KEYFN;

        /** fields in my table: the author field */
        public static final String AUTHORFN = "author";

        /** fields in my table: the key field field */
        public static final String KEYFN = "Picture";

        /** fields in my table: the caption field */
        public static final String CAPTIONFN = "caption";

        /** the names of fields in my table: the URL field */
        public static final String URLFN = "url";

        /** the name of my table */
        public static final String TABLENAME = "PICTURE";

        //~ Methods -------------------------------------------------------

        /**
         * set up widgets to edit each of my fields
         */
        public void init( Context config ) throws InitialisationException
        {
                table = TABLENAME; // my table
                keyField = KEYFN; // its primary key

                Widget w =
                        addWidget( new SimpleDataMenuWidget( ARTICLEFN, "Article",
                                        "The article this picture is assigned to", "ARTICLE",
                                        "Article", "Title", false ) );
                w.setMandatory( "You must supply an article for this picture." );

                ImageFileMaybeUploadWidget fw =
                        new ImageFileMaybeUploadWidget( URLFN, "Picture", "The picture." );
                fw.setMandatory( "You must supply a picture." );
                fw.setSize( 128 );
                fw.valueType = FileMaybeUploadWidget.VALUE_IS_URL;
                addWidget( fw );

                w = new Widget( CAPTIONFN, "Caption", "The caption for the picture" );
                w.setMandatory( "You must supply a caption for this picture." );
                w.setSize( 128 );
                addWidget( w );

                w = new SimpleDataMenuWidget( AUTHORFN, "Artist/Photographer",
                                "The person who created this picture", "ACTOR", "Actor",
                                "Name", false );
                w.setSize( 8 );
                addWidget( w );
                super.init( config ); // do my superclass configuration
        }
}

This is using the Jacquard toolkit, from here:
http://www.weft.co.uk/library/jacquard/

The class above is part of the PRES content management system, from here:
http://www.weft.co.uk/products/PRES/

Disclosure: I wrote both.

--
simon@jasmine.org.uk (Simon Brooke) http://www.jasmine.org.uk/~simon/
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