Заполнение поля select в форме добавления/редактирования записи из таблицы бд - Joomla 2.5: Общие вопросы

http://joomlablog.ru/dokumentatsiya/dlya-razrabotchika/sozdanie-komponenta-dlya-joomla-2-5/433-chast-16-dobavlyaem-filtry-i-uchimsya-sozdavat-svoi

administrator/components/com_record/models/forms/record.xml

field
			name="state"
			type="list"
			label="JSTATUS"
			description="JFIELD_PUBLISHED_DESC"
			class="inputbox"
			size="1"
			default="1"
		>
			<option value="1">JPUBLISHED</option>
			<option value="0">JUNPUBLISHED</option>
			<option value="2">JARCHIVED</option>
			<option value="-2">JTRASHED</option>
		</field>

<field
			name="catid"
			type="category"
			extension="com_record"
			class="inputbox"
			default=""
			label="COM_RECORD_RECORD_FIELD_CATID_LABEL"
			description="COM_RECORD_RECORD_FIELD_CATID_DESC"
			required="true"
		>
			<option value="0">JOPTION_SELECT_CATEGORY</option>
		</field>

<field
			name="nstr"
			type="listfromtable"
			label="COM_RECORD_RECORD_FIELD_NSTR_LABEL"
			description="COM_RECORD_RECORD_FIELD_NSTR_DESC"
			class="inputbox"
			size="1"
			default="0"
		>
		<?php
		$db =& JFactory::getDBO();
		$query = $db->getQuery(true);

		
		$query->select('h.nstr as value, h.name_short as text');

		$query->from('#__labs AS h');
		$db->setQuery($query);
		$messages = $db->loadObjectList();
	
			foreach ($messages as $message)
			{
			
			echo '<option value="'.$message->nstr.'">'.$message->name_short.'</option>';
			}
	
		
		
		?>

<field
 name="mylistname"
 type="mylist"				
 description="..._MYLIST_DESC"
 label="...MYLIST_LABEL" 
/>	

<field
			name="state"
			type="list"

<field
			name="catid"
			type="category"
			extension="com_record"
			class="inputbox"

<field
			name="nstr"
			type="text"
			label="COM_RECORD_RECORD_FIELD_NSTR_LABEL"
			description="COM_RECORD_RECORD_FIELD_NSTR_DESC"
			
			size="2"
			required="true"
			default=""
			
			
		/>