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address enhancement request #562 #563

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address enhancement request #562 #563

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ecde3de
makeBindingHandlerValidatable accept property name
mcshaz May 27, 2015
fb535fb
not equals to exact not equals
mcshaz May 27, 2015
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12 changes: 8 additions & 4 deletions src/api.js
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Original file line number Diff line number Diff line change
Expand Up @@ -447,13 +447,17 @@
},

//take an existing binding handler and make it cause automatic validations
makeBindingHandlerValidatable: function (handlerName) {
makeBindingHandlerValidatable: function (handlerName, validatedPropName) {
var init = ko.bindingHandlers[handlerName].init;

ko.bindingHandlers[handlerName].init = function (element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {

init(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext);


if (validatedPropName !== undefined) {
var unwrapped = ko.unwrap(valueAccessor())[validatedPropName];
valueAccessor = function () { return unwrapped; };
}

return ko.bindingHandlers['validationCore'].init(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext);
};
},
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