framework now supports displaying the results of queries

[myslice.git] / manifold / js / manifold-query.js

diff --git a/manifold/js/manifold-query.js b/manifold/js/manifold-query.js
index 7c5de92..6036c38 100644 (file)
--- a/manifold/js/manifold-query.js
+++ b/manifold/js/manifold-query.js
@@ -45,6 +45,7 @@ INSERT INTO object VALUES(field=value)
         q = new ManifoldQuery();
         return jQuery.extend(true, q, this);
     }
+
     this.add_filter = function(key, op, value) {
         this.filters.push(new Array(key, op, value));
     }
@@ -74,7 +75,7 @@ INSERT INTO object VALUES(field=value)
     }
 
     // FIXME These functions computing diff's between queries are meant to be shared
-    this.diff_fields = function (otherQuery) {
+    this.diff_fields = function(otherQuery) {
         var f1 = this.fields;
         var f2 = otherQuery.fields;
 
@@ -87,7 +88,7 @@ INSERT INTO object VALUES(field=value)
     }
 
     // FIXME Modify filter to filters
-    this.diff_filter = function (otherQuery) {
+    this.diff_filter = function(otherQuery) {
         var f1 = this.filters;
         var f2 = otherQuery.filters;
         
@@ -98,6 +99,35 @@ INSERT INTO object VALUES(field=value)
         
         return {'added':added, 'removed':removed};
     } 
+
+    // Callaback received 3 parameters: query, data, parent_query
+    this.iter_subqueries = function(callback, data)
+    {
+        rec = function(query, callback, data, parent_query) {
+            callback(query, data, parent_query);
+            jQuery.each(query.subqueries, function(object, subquery) {
+                rec(subquery, callback, data, query);
+            });
+        };
+
+        if (this.analyzed_query !== undefined)
+            query = this.analyzed_query;
+        else
+            query = this;
+
+        rec(query, callback, data, null);
+    }
+
+    this.select = function(field)
+    {
+        this.fields.push(field);
+    }
+
+    this.unselect = function(field)
+    {   
+        this.fields = $.grep(this.fields, function(x) { return x != field; });
+    }
+
 // we send queries as a json string now 
 //    this.as_POST = function() {
 //        return {'action': this.action, 'object': this.object, 'timestamp': this.timestamp,