Bug 153387 Database item can't be dragged and dropped onto editor field
Steps to reproduce: 1.Start up BIRT in Mac OS X; 2.File->New->Project; 3.File->New->Report Design; 4.In Data Explorer, create a New Data Source, and choose "Classic Models Inc. Sample DataBase", press "Next" and then press "finish"; 5.In Data Explorer, create a New Data Set, press "Next"; 6.In the popup window, expand the "CLASSICMODELS", select and drag a item onto the editor field at right side.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
protected ArrayList tableList;
	
	private Connection jdbcConnection = null;
	private static String TABLE_ICON = "org.eclipse.birt.report.data.oda.jdbc.ui.editors.SQLDataSetEditorPage.TableIcon";
	private static String VIEW_ICON = "org.eclipse.birt.report.data.oda.jdbc.ui.editors.SQLDataSetEditorPage.ViewIcon";
	private static String PAGE_ICON = "org.eclipse.birt.report.data.oda.jdbc.ui.editors.SQLDataSetEditorPage.PageIcon";
	private static String SCHEMA_ICON = "org.eclipse.birt.report.data.oda.jdbc.ui.editors.SQLDataSetEditorPage.SchemaIcon";
	private static String DATABASE_ICON = "org.eclipse.birt.report.data.oda.jdbc.ui.editors.SQLDataSetEditorPage.DbIcon";
	private static String COLUMN_ICON = "org.eclipse.birt.report.data.oda.jdbc.ui.editors.SQLDataSetEditorPage.ColumnIcon";
	private static String DEFAULT_MESSAGE = JdbcPlugin.getResourceString( "dataset.new.query" );	
	
	static
	{
		try
		{	
			ImageRegistry reg = JFaceResources.getImageRegistry( );
			reg.put( TABLE_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/table.gif" ) );
			reg.put( VIEW_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/view.gif" ) );
			reg.put( PAGE_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/create_join_wizard.gif" ) );
			reg.put( SCHEMA_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/schema.gif" ) );
			reg.put( DATABASE_ICON,