properties will be copied to the custom component with XML + tests

apps/tests/xml-declaration/xml-declaration-tests.ts

@@ -10,6 +10,9 @@ import types = require("utils/types");
 import fs = require("file-system");
 import fileSystemAccess = require("file-system/file-system-access");
 import observable = require("data/observable");
+import stackLayoutModule = require("ui/layouts/stack-layout");
+import labelModule = require("ui/label");
+import myCustomControlWithoutXml = require("./mymodule/MyControl");
 
 export var test_load_IsDefined = function () {
     TKUnit.assert(types.isFunction(builder.load), "ui/builder should have load method!");
@@ -154,3 +157,25 @@ export var test_parse_ShouldParseSubProperties = function () {
 
     TKUnit.assert(sw.visibility === "collapsed", "Expected result: collapsed; Actual result: " + sw.visibility + "; type: " + typeof (sw.visibility));
 };
+
+export var test_parse_ShouldParseCustomComponentWithoutXml = function () {
+    var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodule"><customControls:MyControl /></Page>');
+    var ctrl = p.content;
+
+    TKUnit.assert(ctrl instanceof myCustomControlWithoutXml.MyControl, "Expected result: custom control is defined!; Actual result: " + ctrl);
+};
+
+export var test_parse_ShouldParseCustomComponentWitXml = function () {
+    var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:MyControl /></Page>');
+    var panel = <stackLayoutModule.StackLayout>p.content;
+    var lbl = <labelModule.Label>panel.getChildAt(0);
+
+    TKUnit.assert(lbl.text === "mymodulewithxml", "Expected result: 'mymodulewithxml'; Actual result: " + lbl);
+};
+
+export var test_parse_ShouldParseCustomComponentWitXmlWithAttributes = function () {
+    var p = <page.Page>builder.parse('<Page xmlns:customControls="xml-declaration/mymodulewithxml"><customControls:MyControl visibility="collapsed" /></Page>');
+    var panel = <stackLayoutModule.StackLayout>p.content;
+
+    TKUnit.assert(panel.visibility === "collapsed", "Expected result: 'collapsed'; Actual result: " + panel.visibility);
+};

ui/builder/builder.ts

@@ -83,8 +83,17 @@ function parseInternal(value: string, exports: any): componentBuilder.ComponentM
                             // Custom components with XML and code
                             subExports = require(jsPath.replace(".js", ""))
                         }
+
                         componentModule = loadInternal(xmlPath, subExports);
 
+                        // Attributes will be transfered to the custom component
+                        if (types.isDefined(componentModule) && types.isDefined(componentModule.component)) {
+                            var attr: string;
+                            for (attr in args.attributes) {
+                                componentBuilder.setPropertyValue(componentModule.component, subExports, exports, attr, args.attributes[attr]);
+                            }
+                        }
+
                     } else {
                         // Custom components without XML
                         componentModule = componentBuilder.getComponentModule(args.elementName, args.namespace, args.attributes, exports);

ui/builder/component-builder.d.ts

@@ -3,6 +3,7 @@ declare module "ui/builder/component-builder" {
     import view = require("ui/core/view");
 
     export function getComponentModule(elementName: string, namespace: string, attributes: Object, exports: Object): ComponentModule;
+    export function setPropertyValue(instance: view.View, instanceModuleExports: Object, pageExports: Object, propertyName: string, propertyValue: string) : void;
 
     export interface ComponentModule {
         component: view.View;

ui/builder/component-builder.ts

@@ -102,7 +102,7 @@ export function getComponentModule(elementName: string, namespace: string, attri
     return componentModule;
 }
 
-function setPropertyValue(instance: view.View, instanceModule: Object, exports: Object, propertyName: string, propertyValue: string) {
+export function setPropertyValue(instance: view.View, instanceModule: Object, exports: Object, propertyName: string, propertyValue: string) {
     if (isBinding(propertyValue) && instance.bind) {
         if (isKnownEvent(propertyName, instanceModule)) {
             attachEventBinding(instance, propertyName, propertyValue);