pass pk and api to the combo instead of getting it from the form

pyweb/djextdirect/formprovider.py

@@ -60,6 +60,13 @@ Ext.ux.%(clsname)s = function( config ){
 
     this.api = %(apiconf)s;
 
+    for( var i = 0; i < this.items.length; i++ ){
+        if( this.items[i].xtype == "choicescombo" ){
+            this.items[i].pk = config.pk;
+            this.items[i].api = this.api;
+        }
+    }
+
     Ext.ux.%(clsname)s.superclass.constructor.call( this );
 
     this.form.api = this.api;
@@ -126,25 +133,26 @@ Ext.ux.ChoicesCombo = function( config ){
         });
 
     this.triggerAction = 'all';
+
     this.store = new Ext.data.DirectStore({
-        baseParams: {'pk': this.ownerCt.pk, 'field': this.name},
-        directFn: this.ownerCt.api.choices,
+        baseParams: {'pk': this.pk, 'field': this.name},
+        directFn: this.api.choices,
         paramOrder: ['pk', 'field'],
         reader: new Ext.data.JsonReader({
             successProperty: 'success',
             idProperty: this.valueField,
             root: 'data',
             fields: [this.valueField, this.displayField]
-        }),
-        autoLoad: true
+        })
     });
 
     Ext.ux.ChoicesCombo.superclass.constructor.call( this );
-    };
+    this.store.load();
+};
 
 Ext.extend( Ext.ux.ChoicesCombo, Ext.form.ComboBox, {
 
-    });
+});
 
 Ext.reg( 'choicescombo', Ext.ux.ChoicesCombo );
 """