修改数据可视化时元数据读取来源

application/module/Westdc/Visual/Visual.php

@@ -6,17 +6,29 @@ use Helpers\dbh;
 
 class Visual
 {
-	public $db;
+	private $db;
+	private $config;
+	
 	protected $events;
 	
+	private $metadataTable;
+	
 	function __construct()
 	{
 		$this->db = \Zend_Registry::get('db');
+		$this->config = \Zend_Registry::get('config');
 		
 		$this->mainTable = "datavisual";
 		
 		$Listener = new Listener();
 		@$this->getEventManager()->attachAggregate($Listener);
+		
+		if(isset($this->config->sub->metadata) && !empty($this->config->sub->metadata))
+		{
+			$this->metadataTable = $this->config->sub->metadata;
+		}else{
+			$this->metadataTable = 'metadata';
+		}
 	}
 	
 	public function getEventManager(\Zend_EventManager_EventCollection $events = NULL)
@@ -101,7 +113,7 @@ class Visual
 	//获得可以可视化的元数据
 	public function getVisualMetadata()
 	{
-		$sql = "SELECT * FROM metadata md
+		$sql = "SELECT * FROM {$this->metadataTable} md
 				LEFT JOIN {$this->mainTable} v ON v.uuid = md.uuid
 				WHERE v.uuid IS NOT NULL";