Creating a new connector for yii2.

1 files changed, 63 insertions, 0 deletions

diff --git a/codebase/TreeConnector.php b/codebase/TreeConnector.php
new file mode 100644
index 0000000..b01e399
--- /dev/null
+++ b/codebase/TreeConnector.php
@@ -0,0 +1,63 @@
+<?php
+
+namespace DHTMLX\Connector;
+
+class TreeConnector extends Connector
+{
+    protected $parent_name = 'id';
+    public $rootId = "0";
+
+    /*! constructor
+
+        Here initilization of all Masters occurs, execution timer initialized
+        @param res
+            db connection resource
+        @param type
+            string , which hold type of database ( MySQL or Postgre ), optional, instead of short DB name, full name of DataWrapper-based class can be provided
+        @param item_type
+            name of class, which will be used for item rendering, optional, DataItem will be used by default
+        @param data_type
+            name of class which will be used for dataprocessor calls handling, optional, DataProcessor class will be used by default.
+     *	@param render_type
+     *		name of class which will provides data rendering
+    */
+    public function __construct($res, $type = false, $item_type = false, $data_type = false, $render_type = false)
+    {
+        if (!$item_type) $item_type = "TreeDataItem";
+        if (!$data_type) $data_type = "TreeDataProcessor";
+        if (!$render_type) $render_type = "TreeRenderStrategy";
+        parent::__construct($res, $type, $item_type, $data_type, $render_type);
+    }
+
+    //parse GET scoope, all operations with incoming request must be done here
+    public function parse_request()
+    {
+        parent::parse_request();
+
+        if (isset($_GET[$this->parent_name]))
+            $this->request->set_relation($_GET[$this->parent_name]);
+        else
+            $this->request->set_relation($this->rootId);
+
+        $this->request->set_limit(0, 0); //netralize default reaction on dyn. loading mode
+    }
+
+    /*! renders self as  xml, starting part
+     */
+    public function xml_start()
+    {
+        $attributes = "";
+        foreach ($this->attributes as $k => $v)
+            $attributes .= " " . $k . "='" . $v . "'";
+
+        return "<tree id='" . $this->request->get_relation() . "'" . $attributes . ">";
+    }
+
+    /*! renders self as  xml, ending part
+    */
+    public function xml_end()
+    {
+        $this->fill_collections();
+        return $this->extra_output . "</tree>";
+    }
+}