1 files changed, 108 insertions, 0 deletions
diff --git a/codebase/JSONDataConnector.php b/codebase/JSONDataConnector.php
new file mode 100644
index 0000000..caec0a5
--- /dev/null
+++ b/codebase/JSONDataConnector.php
@@ -0,0 +1,108 @@
+<?php
+
+namespace DHTMLX\Connector;
+
+use DHTMLX\Connector\Output\OutputWriter;
+
+
+class JSONDataConnector extends DataConnector{
+
+    public function __construct($res,$type=false,$item_type=false,$data_type=false,$render_type=false){
+        if (!$item_type) $item_type="DHTMLX\\Connector\\Data\\JSONCommonDataItem";
+        if (!$data_type) $data_type="DHTMLX\\Connector\\CommonDataProcessor";
+        if (!$render_type) $render_type="DHTMLX\\Connector\\Output\\JSONRenderStrategy";
+        $this->data_separator = ",\n";
+        parent::__construct($res,$type,$item_type,$data_type,$render_type);
+    }
+
+    /*! assign options collection to the column
+
+        @param name
+            name of the column
+        @param options
+            array or connector object
+    */
+    public function set_options($name,$options){
+        if (is_array($options)){
+            $str=array();
+            foreach($options as $k => $v)
+                $str[]='{"id":"'.$this->xmlentities($k).'", "value":"'.$this->xmlentities($v).'"}';
+            $options=implode(",",$str);
+        }
+        $this->options[$name]=$options;
+    }
+
+    /*! generates xml description for options collections
+
+        @param list
+            comma separated list of column names, for which options need to be generated
+    */
+    protected function fill_collections($list=""){
+        $options = array();
+        foreach ($this->options as $k=>$v) {
+            $name = $k;
+            $option="\"{$name}\":[";
+            if (!is_string($this->options[$name]))
+                $option.=substr(json_encode($this->options[$name]->render()),1,-1);
+            else
+                $option.=$this->options[$name];
+            $option.="]";
+            $options[] = $option;
+        }
+        $this->extra_output .= implode($this->data_separator, $options);
+    }
+
+    protected function resolve_parameter($name){
+        if (intval($name).""==$name)
+            return $this->config->text[intval($name)]["db_name"];
+        return $name;
+    }
+
+    protected function output_as_xml($res){
+        $json = $this->render_set($res);
+        if ($this->simple) return $json;
+        $result = json_encode($json);
+
+        $this->fill_collections();
+        $is_sections = sizeof($this->sections) && $this->is_first_call();
+        if ($this->dload || $is_sections || sizeof($this->attributes) || !empty($this->extra_data)){
+
+            $attributes = "";
+            foreach($this->attributes as $k=>$v)
+                $attributes .= ", \"".$k."\":\"".$v."\"";
+
+            $extra = "";
+            if (!empty($this->extra_output))
+                $extra .= ', "collections": {'.$this->extra_output.'}';
+
+            $sections = "";
+            if ($is_sections){
+                //extra sections
+                foreach($this->sections as $k=>$v)
+                    $sections .= ", \"".$k."\":".$v;
+            }
+
+            $dyn = "";
+            if ($this->dload){
+                //info for dyn. loadin
+                if ($pos=$this->request->get_start())
+                    $dyn .= ", \"pos\":".$pos;
+                else
+                    $dyn .= ", \"pos\":0, \"total_count\":".$this->sql->get_size($this->request);
+            }
+            if ($attributes || $sections || $this->extra_output || $dyn) {
+                $result = "{ \"data\":".$result.$attributes.$extra.$sections.$dyn."}";
+            }
+        }
+
+        // return as string
+        if ($this->as_string) return $result;
+
+        // output direct to response
+        $out = new OutputWriter($result, "");
+        $out->set_type("json");
+        $this->event->trigger("beforeOutput", $this, $out);
+        $out->output("", true, $this->encoding);
+        return null;
+    }
+}