Upgrade to ExtJS 3.0.3 - Released 10/11/2009

[extjs.git] / examples / grid-filtering / grid-filter.php

diff --git a/examples/grid-filtering/grid-filter.php b/examples/grid-filtering/grid-filter.php
new file mode 100644 (file)
index 0000000..aa8331f
--- /dev/null
+++ b/examples/grid-filtering/grid-filter.php
@@ -0,0 +1,101 @@
+<?php
+
+// database connection settings
+$server   = 'localhost';
+$username = 'demo';
+$password = '';
+$database = 'demo'; // 'gridfiltersdemo' in sample sql
+
+// connect to database
+mysql_pconnect($server, $username, $password) or die("Could not connect");
+mysql_select_db($database) or die("Could not select database");
+
+// collect request parameters
+$start  = isset($_REQUEST['start'])  ? $_REQUEST['start']  :  0;
+$count  = isset($_REQUEST['limit'])  ? $_REQUEST['limit']  : 20;
+$sort   = isset($_REQUEST['sort'])   ? $_REQUEST['sort']   : '';
+$dir    = isset($_REQUEST['dir'])    ? $_REQUEST['dir']    : 'ASC';
+$filters = isset($_REQUEST['filter']) ? $_REQUEST['filter'] : null;
+
+// GridFilters sends filters as an Array if not json encoded
+if (is_array($filters)) {
+    $encoded = false;
+} else {
+    $encoded = true;
+    $filters = json_decode($filters);
+}
+
+// initialize variables
+$where = ' 0 = 0 ';
+$qs = '';
+
+// loop through filters sent by client
+if (is_array($filters)) {
+    for ($i=0;$i<count($filters);$i++){
+        $filter = $filters[$i];
+
+        // assign filter data (location depends if encoded or not)
+        if ($encoded) {
+            $field = $filter->field;
+            $value = $filter->value;
+            $compare = isset($filter->comparison) ? $filter->comparison : null;
+            $filterType = $filter->type;
+        } else {
+            $field = $filter['field'];
+            $value = $filter['data']['value'];
+            $compare = isset($filter['data']['comparison']) ? $filter['data']['comparison'] : null;
+            $filterType = $filter['data']['type'];
+        }
+
+        switch($filterType){
+            case 'string' : $qs .= " AND ".$field." LIKE '%".$value."%'"; Break;
+            case 'list' :
+                if (strstr($value,',')){
+                    $fi = explode(',',$value);
+                    for ($q=0;$q<count($fi);$q++){
+                        $fi[$q] = "'".$fi[$q]."'";
+                    }
+                    $value = implode(',',$fi);
+                    $qs .= " AND ".$field." IN (".$value.")";
+                }else{
+                    $qs .= " AND ".$field." = '".$value."'";
+                }
+            Break;
+            case 'boolean' : $qs .= " AND ".$field." = ".($value); Break;
+            case 'numeric' :
+                switch ($compare) {
+                    case 'eq' : $qs .= " AND ".$field." = ".$value; Break;
+                    case 'lt' : $qs .= " AND ".$field." < ".$value; Break;
+                    case 'gt' : $qs .= " AND ".$field." > ".$value; Break;
+                }
+            Break;
+            case 'date' :
+                switch ($compare) {
+                    case 'eq' : $qs .= " AND ".$field." = '".date('Y-m-d',strtotime($value))."'"; Break;
+                    case 'lt' : $qs .= " AND ".$field." < '".date('Y-m-d',strtotime($value))."'"; Break;
+                    case 'gt' : $qs .= " AND ".$field." > '".date('Y-m-d',strtotime($value))."'"; Break;
+                }
+            Break;
+        }
+    }
+    $where .= $qs;
+}
+
+// query the database
+$query = "SELECT * FROM demo WHERE ".$where;
+if ($sort != "") {
+    $query .= " ORDER BY ".$sort." ".$dir;
+}
+$query .= " LIMIT ".$start.",".$count;
+
+$rs = mysql_query($query);
+$total = mysql_query("SELECT COUNT(id) FROM demo WHERE ".$where);
+$total = mysql_result($total, 0, 0);
+
+$arr = array();
+while($obj = mysql_fetch_object($rs)) {
+    $arr[] = $obj;
+}
+
+// return response to client
+echo '{"total":"'.$total.'","data":'.json_encode($arr).'}';
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