Bug 136279 Structure and table datatypes should be hidden.
Description: Structure and table datatype should be hidden. Steps to reproduce: In table data binding, I saw structure and table two datatypes. They are not supported now, so they should be removed.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/wizards/WizardTemplateChoicePage.java
*/
	public Template getBlankTemplate( )
	{
		return (Template) templates.get( 0 );
	}
	/**
	 * @return true if show CheatSheets is checked.
	 */
	public boolean getShowCheatSheet( )
	{
		if ( ( (Template) templates.get( selectedIndex ) ).getCheatSheetId( )
				.equals( "org.eclipse.birt.report.designer.ui.cheatsheet.firstreport" ) )
		{
			return true;
		}
		return chkBox.getSelection( );
	}
	public void dispose( )
	{
		super.dispose( );
		for ( Iterator it = templates.iterator( ); it.hasNext( ); )
		{
			Object item = it.next( );
			if ( item instanceof Template )
			{
				( (Template) item ).dispose( );
			}
		}
	}
}