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Merge pull request #369 from NativeScript/nnikolov/BindingIssues

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Introduced parent and parents keywords for binding.
This commit is contained in:
Nedyalko Nikolov
2015-07-01 10:58:23 +03:00
parent 7779159fe1 cff1e8f891
commit ccfd625ea0
4 changed files with 213 additions and 8 deletions
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33
apps/tests/ui/bindable-tests.ts
View File

@@ -465,6 +465,39 @@ export var test_getBindableOptionsFromStringTwoParamsNamedFormat = function () {
TKUnit.assert(bindOptions.twoWay === true, "Expected: true, Actual: " + bindOptions.twoWay);
}
export var test_getBindingOptionsFromStringWithFunctionWitnMoreParams = function () {
var bindingExpression = "bindProperty, converter(bindProperty, param1)";
var bindOptions = bindingBuilder.getBindingOptions("targetBindProperty", bindingExpression);
TKUnit.assertEqual(bindOptions.sourceProperty, "bindProperty");
TKUnit.assertEqual(bindOptions.targetProperty, "targetBindProperty");
TKUnit.assertEqual(bindOptions.expression, "converter(bindProperty, param1)");
TKUnit.assertEqual(bindOptions.twoWay, true);
}
export var test_getBindingOptionsFromStringWithFunctionArrayParams = function () {
var bindingExpression = "bindProperty, converter(bindProperty, [param1, param2])";
var bindOptions = bindingBuilder.getBindingOptions("targetBindProperty", bindingExpression);
TKUnit.assertEqual(bindOptions.sourceProperty, "bindProperty");
TKUnit.assertEqual(bindOptions.targetProperty, "targetBindProperty");
TKUnit.assertEqual(bindOptions.expression, "converter(bindProperty, [param1, param2])");
TKUnit.assertEqual(bindOptions.twoWay, true);
}
export var test_bindingToNestedPropertyWithValueSyntax = function () {
var bindingSource = new observable.Observable();
bindingSource.set("testProperty", "testValue");
var testElement = new bindable.Bindable();
testElement.bind({
sourceProperty: "$value.testProperty",
targetProperty: "targetPropertyName"
}, bindingSource);
TKUnit.assertEqual(testElement.get("targetPropertyName"), "testValue");
}
export var test_TwoElementsBindingToSameBindingContext = function () {
var testFunc = function (page: pageModule.Page) {
var upperStackLabel = <labelModule.Label>(page.getViewById("upperStackLabel"));

50
apps/tests/ui/list-view/list-view-tests.ts
View File

@@ -530,6 +530,56 @@ export function test_BindingListViewToASimpleArrayWithExpression() {
helper.buildUIAndRunTest(listView, testAction);
}
export function test_bindingToParentObject() {
var listView = new listViewModule.ListView();
var expectedValue = "parentTestValue";
function testAction(views: Array<viewModule.View>) {
var listViewModel = new observable.Observable();
listViewModel.set("items", [1, 2, 3]);
listViewModel.set("parentTestProp", expectedValue);
listView.bindingContext = listViewModel;
listView.bind({ sourceProperty: "items", targetProperty: "items" });
listView.itemTemplate = "<Label id=\"testLabel\" text=\"{{ sourceProperty = $parents[ListView].parentTestProp }}\" />";
TKUnit.wait(ASYNC);
var firstNativeElementText = getTextFromNativeElementAt(listView, 0);
var secondNativeElementText = getTextFromNativeElementAt(listView, 1);
var thirdNativeElementText = getTextFromNativeElementAt(listView, 2);
TKUnit.assertEqual(firstNativeElementText, expectedValue, "first element text");
TKUnit.assertEqual(secondNativeElementText, expectedValue, "second element text");
TKUnit.assertEqual(thirdNativeElementText, expectedValue, "third element text");
}
helper.buildUIAndRunTest(listView, testAction);
}
export function test_bindingToParentObjectWithSpacesInIndexer() {
var listView = new listViewModule.ListView();
var expectedValue = "parentTestValue";
function testAction(views: Array<viewModule.View>) {
var listViewModel = new observable.Observable();
listViewModel.set("items", [1, 2, 3]);
listViewModel.set("parentTestProp", expectedValue);
listView.bindingContext = listViewModel;
listView.bind({ sourceProperty: "items", targetProperty: "items" });
listView.itemTemplate = "<Label id=\"testLabel\" text=\"{{ sourceProperty = $parents[ ListView ].parentTestProp }}\" />";
TKUnit.wait(ASYNC);
var firstNativeElementText = getTextFromNativeElementAt(listView, 0);
var secondNativeElementText = getTextFromNativeElementAt(listView, 1);
var thirdNativeElementText = getTextFromNativeElementAt(listView, 2);
TKUnit.assertEqual(firstNativeElementText, expectedValue, "first element text");
TKUnit.assertEqual(secondNativeElementText, expectedValue, "second element text");
TKUnit.assertEqual(thirdNativeElementText, expectedValue, "third element text");
}
helper.buildUIAndRunTest(listView, testAction);
}
export function test_no_memory_leak_when_items_is_regular_array() {
var createFunc = function (): listViewModule.ListView {
var listView = new listViewModule.ListView();