1 files changed, 115 insertions, 0 deletions
diff --git a/codebase/Dhtmlx/Connector/Output/RenderStrategy.php b/codebase/Dhtmlx/Connector/Output/RenderStrategy.php
new file mode 100644
index 0000000..9431d0d
--- /dev/null
+++ b/codebase/Dhtmlx/Connector/Output/RenderStrategy.php
@@ -0,0 +1,115 @@
+<?php
+namespace DHTMLX\Connector\Output;
+
+use DHTMLX\Connector\Data\DataItem;
+use DHTMLX\Connector\GridDataItem;
+class RenderStrategy {
+
+    protected $conn = null;
+
+    public function __construct($conn) {
+        $this->conn = $conn;
+    }
+
+    /*! adds mix fields into DataConfig
+     *	@param config
+     *		DataConfig object
+     *	@param mix
+     *		mix structure
+     */
+    protected function mix($config, $mix) {
+        for ($i = 0; $i < count($mix); $i++) {
+            if ($config->is_field($mix[$i]['name'])===-1) {
+                $config->add_field($mix[$i]['name']);
+            }
+        }
+    }
+
+    /*! remove mix fields from DataConfig
+     *	@param config
+     *		DataConfig object
+     *	@param mix
+     *		mix structure
+     */
+    protected function unmix($config, $mix) {
+        for ($i = 0; $i < count($mix); $i++) {
+            if ($config->is_field($mix[$i]['name'])!==-1) {
+                $config->remove_field_full($mix[$i]['name']);
+            }
+        }
+    }
+
+    /*! adds mix fields in item
+     *	simple mix adds only strings specified by user
+     *	@param mix
+     *		mix structure
+     *	@param data
+     *		array of selected data
+     */
+    protected function simple_mix($mix, $data) {
+        // get mix details
+        for ($i = 0; $i < count($mix); $i++)
+            $data[$mix[$i]["name"]] = is_object($mix[$i]["value"]) ? "" : $mix[$i]["value"];
+        return $data;
+    }
+
+    /*! adds mix fields in item
+     *	complex mix adds strings specified by user and results of subrequests
+     *	@param mix
+     *		mix structure
+     *	@param data
+     *		array of selected data
+     */
+    protected function complex_mix($mix, $data) {
+        // get mix details
+        for ($i = 0; $i < count($mix); $i++) {
+            $mixname = $mix[$i]["name"];
+            if ($mix[$i]['filter'] !== false) {
+                $subconn = $mix[$i]["value"];
+                $filter = $mix[$i]["filter"];
+
+                // setting relationships
+                $subconn->clear_filter();
+                foreach ($filter as $k => $v)
+                    if (isset($data[$v]))
+                        $subconn->filter($k, $data[$v], "=");
+                    else
+                        throw new Exception('There was no such data field registered as: '.$k);
+
+                $subconn->asString(true);
+                $data[$mixname]=$subconn->simple_render();
+                if (is_array($data[$mixname]) && count($data[$mixname]) == 1)
+                    $data[$mixname] = $data[$mixname][0];
+            } else {
+                $data[$mixname] = $mix[$i]["value"];
+            }
+        }
+        return $data;
+    }
+
+    /*! render from DB resultset
+        @param res
+            DB resultset
+        process commands, output requested data as XML
+    */
+    public function render_set($res, $name, $dload, $sep, $config, $mix){
+        $output="";
+        $index=0;
+        $conn = $this->conn;
+        $this->mix($config, $mix);
+        $conn->event->trigger("beforeRenderSet",$conn,$res,$config);
+        while ($data=$conn->sql->get_next($res)){
+            $data = $this->simple_mix($mix, $data);
+
+            $data = new $name($data,$config,$index);
+            if ($data->get_id()===false)
+                $data->set_id($conn->uuid());
+            $conn->event->trigger("beforeRender",$data);
+            $output.=$data->to_xml().$sep;
+            $index++;
+        }
+        $this->unmix($config, $mix);
+        return $output;
+    }
+
+}
+\ No newline at end of file