Make a listBox with table titles instead of the flexTable demo.

[online-glom:gwt-glom.git] / src / org / glom / web / server / LibGlomServiceImpl.java

package org.glom.web.server;

import java.io.File;

import org.glom.libglom.Document;
import org.glom.libglom.Glom;
import org.glom.libglom.StringVector;
import org.glom.web.client.GlomDocument;
import org.glom.web.client.GlomTable;
import org.glom.web.client.LibGlomService;

import com.google.gwt.user.server.rpc.RemoteServiceServlet;

@SuppressWarnings("serial")
public class LibGlomServiceImpl extends RemoteServiceServlet implements
                LibGlomService {
        private Document document;

        public LibGlomServiceImpl() {
                Glom.libglom_init();
                // FIXME Need to call Glom.libglom_deinit()
                document = new Document();
                document.set_file_uri("file://" + Glom.GLOM_EXAMPLE_FILE_DIR +  File.separator + "example_music_collection.glom");
                int error = 0;
                @SuppressWarnings("unused")
                boolean retval = document.load(error);
                // FIXME handle error condition
        }

        // FIXME I think Swig is generating long on 64-bit machines and int on 32-bit machines - need to keep this constant
        // From http://stackoverflow.com/questions/1590831/safely-casting-long-to-int-in-java
        public static int safeLongToInt(long l) {
            if (l < Integer.MIN_VALUE || l > Integer.MAX_VALUE) {
                throw new IllegalArgumentException
                    (l + " cannot be cast to int without changing its value.");
            }
            return (int) l;
        }

        @Override
        public GlomDocument getGlomDocument() {
                GlomDocument glomDocument = new GlomDocument();

                // set visable title
                glomDocument.setTitle(document.get_database_title());

                // set array of GlomTables and the default table index
                StringVector tableNames = document.get_table_names();
                GlomTable[] tables = new GlomTable[safeLongToInt(tableNames.size())];
                for (int i = 0; i < tableNames.size(); i++) {
                        String tableName = tableNames.get(i);
                        GlomTable glomTable = new GlomTable();
                        glomTable.setName(tableName);
                        glomTable.setTitle(document.get_table_title(tableName));
                        tables[i] = glomTable;
                        if (tableName.equals(document.get_default_table())) {
                                glomDocument.setDefaultTable(i);
                        }
                }
                glomDocument.setTableNames(tables);

                return glomDocument;

        }

}