Creating a new connector for yii2.

1 files changed, 64 insertions, 0 deletions

diff --git a/codebase/Output/TreeRenderStrategy.php b/codebase/Output/TreeRenderStrategy.php
new file mode 100644
index 0000000..d66e58e
--- /dev/null
+++ b/codebase/Output/TreeRenderStrategy.php
@@ -0,0 +1,64 @@
+<?php
+namespace DHTMLX\Connector\Output;
+
+use DHTMLX\Connector\DataStorage\DataConfig;
+
+class TreeRenderStrategy extends RenderStrategy {
+
+    protected $id_swap = array();
+
+    public function __construct($conn) {
+        parent::__construct($conn);
+        $conn->event->attach("afterInsert",array($this,"parent_id_correction_a"));
+        $conn->event->attach("beforeProcessing",array($this,"parent_id_correction_b"));
+    }
+
+    public function render_set($res, $name, $dload, $sep, $config, $mix){
+        $output="";
+        $index=0;
+        $conn = $this->conn;
+        $config_copy = new DataConfig($config);
+        $this->mix($config, $mix);
+        while ($data=$conn->sql->get_next($res)){
+            $data = $this->simple_mix($mix, $data);
+            $data = new $name($data,$config,$index);
+            $conn->event->trigger("beforeRender",$data);
+            //there is no info about child elements,
+            //if we are using dyn. loading - assume that it has,
+            //in normal mode juse exec sub-render routine
+            if ($data->has_kids()===-1 && $dload)
+                $data->set_kids(true);
+            $output.=$data->to_xml_start();
+            if ($data->has_kids()===-1 || ( $data->has_kids()==true && !$dload)){
+                $sub_request = new DataRequestConfig($conn->get_request());
+                //$sub_request->set_fieldset(implode(",",$config_copy->db_names_list($conn->sql)));
+                $sub_request->set_relation($data->get_id());
+                $output.=$this->render_set($conn->sql->select($sub_request), $name, $dload, $sep, $config_copy, $mix);
+            }
+            $output.=$data->to_xml_end();
+            $index++;
+        }
+        $this->unmix($config, $mix);
+        return $output;
+    }
+
+    /*! store info about ID changes during insert operation
+        @param dataAction
+            data action object during insert operation
+    */
+    public function parent_id_correction_a($dataAction){
+        $this->id_swap[$dataAction->get_id()]=$dataAction->get_new_id();
+    }
+
+    /*! update ID if it was affected by previous operation
+        @param dataAction
+            data action object, before any processing operation
+    */
+    public function parent_id_correction_b($dataAction){
+        $relation = $this->conn->get_config()->relation_id["db_name"];
+        $value = $dataAction->get_value($relation);
+
+        if (array_key_exists($value,$this->id_swap))
+            $dataAction->set_value($relation,$this->id_swap[$value]);
+    }
+}
\ No newline at end of file