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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| import { TaskQueue } from 'aurelia-task-queue'; | ||
| import { ValidationController } from './validation-controller'; | ||
| /** | ||
| * Binding behavior. Indicates the bound property should be validated. | ||
| */ | ||
| export declare abstract class ValidateBindingBehaviorBase { | ||
| private taskQueue; | ||
| constructor(taskQueue: TaskQueue); | ||
| protected abstract getValidateTrigger(controller: ValidationController): number; | ||
| /** | ||
| * Gets the DOM element associated with the data-binding. Most of the time it's | ||
| * the binding.target but sometimes binding.target is an aurelia custom element, | ||
| * or custom attribute which is a javascript "class" instance, so we need to use | ||
| * the controller's container to retrieve the actual DOM element. | ||
| */ | ||
| getTarget(binding: any, view: any): any; | ||
| bind(binding: any, source: any, rulesOrController?: ValidationController | any, rules?: any): void; | ||
| unbind(binding: any): void; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| define(["require", "exports", 'aurelia-dependency-injection', 'aurelia-pal', './validation-controller', './validate-trigger'], function (require, exports, aurelia_dependency_injection_1, aurelia_pal_1, validation_controller_1, validate_trigger_1) { | ||
| "use strict"; | ||
| /** | ||
| * Binding behavior. Indicates the bound property should be validated. | ||
| */ | ||
| var ValidateBindingBehaviorBase = (function () { | ||
| function ValidateBindingBehaviorBase(taskQueue) { | ||
| this.taskQueue = taskQueue; | ||
| } | ||
| /** | ||
| * Gets the DOM element associated with the data-binding. Most of the time it's | ||
| * the binding.target but sometimes binding.target is an aurelia custom element, | ||
| * or custom attribute which is a javascript "class" instance, so we need to use | ||
| * the controller's container to retrieve the actual DOM element. | ||
| */ | ||
| ValidateBindingBehaviorBase.prototype.getTarget = function (binding, view) { | ||
| var target = binding.target; | ||
| // DOM element | ||
| if (target instanceof Element) { | ||
| return target; | ||
| } | ||
| // custom element or custom attribute | ||
| for (var i = 0, ii = view.controllers.length; i < ii; i++) { | ||
| var controller = view.controllers[i]; | ||
| if (controller.viewModel === target) { | ||
| var element = controller.container.get(aurelia_pal_1.DOM.Element); | ||
| if (element) { | ||
| return element; | ||
| } | ||
| throw new Error("Unable to locate target element for \"" + binding.sourceExpression + "\"."); | ||
| } | ||
| } | ||
| throw new Error("Unable to locate target element for \"" + binding.sourceExpression + "\"."); | ||
| }; | ||
| ValidateBindingBehaviorBase.prototype.bind = function (binding, source, rulesOrController, rules) { | ||
| var _this = this; | ||
| // identify the target element. | ||
| var target = this.getTarget(binding, source); | ||
| // locate the controller. | ||
| var controller; | ||
| if (rulesOrController instanceof validation_controller_1.ValidationController) { | ||
| controller = rulesOrController; | ||
| } | ||
| else { | ||
| controller = source.container.get(aurelia_dependency_injection_1.Optional.of(validation_controller_1.ValidationController)); | ||
| rules = rulesOrController; | ||
| } | ||
| if (controller === null) { | ||
| throw new Error("A ValidationController has not been registered."); | ||
| } | ||
| controller.registerBinding(binding, target, rules); | ||
| binding.validationController = controller; | ||
| var trigger = this.getValidateTrigger(controller); | ||
| if (trigger & validate_trigger_1.validateTrigger.change) { | ||
| binding.standardUpdateSource = binding.updateSource; | ||
| binding.updateSource = function (value) { | ||
| this.standardUpdateSource(value); | ||
| this.validationController.validateBinding(this); | ||
| }; | ||
| } | ||
| if (trigger & validate_trigger_1.validateTrigger.blur) { | ||
| binding.validateBlurHandler = function () { | ||
| _this.taskQueue.queueMicroTask(function () { return controller.validateBinding(binding); }); | ||
| }; | ||
| binding.validateTarget = target; | ||
| target.addEventListener('blur', binding.validateBlurHandler); | ||
| } | ||
| if (trigger !== validate_trigger_1.validateTrigger.manual) { | ||
| binding.standardUpdateTarget = binding.updateTarget; | ||
| binding.updateTarget = function (value) { | ||
| this.standardUpdateTarget(value); | ||
| this.validationController.resetBinding(this); | ||
| }; | ||
| } | ||
| }; | ||
| ValidateBindingBehaviorBase.prototype.unbind = function (binding) { | ||
| // reset the binding to it's original state. | ||
| if (binding.standardUpdateSource) { | ||
| binding.updateSource = binding.standardUpdateSource; | ||
| binding.standardUpdateSource = null; | ||
| } | ||
| if (binding.standardUpdateTarget) { | ||
| binding.updateTarget = binding.standardUpdateTarget; | ||
| binding.standardUpdateTarget = null; | ||
| } | ||
| if (binding.validateBlurHandler) { | ||
| binding.validateTarget.removeEventListener('blur', binding.validateBlurHandler); | ||
| binding.validateBlurHandler = null; | ||
| binding.validateTarget = null; | ||
| } | ||
| binding.validationController.unregisterBinding(binding); | ||
| binding.validationController = null; | ||
| }; | ||
| return ValidateBindingBehaviorBase; | ||
| }()); | ||
| exports.ValidateBindingBehaviorBase = ValidateBindingBehaviorBase; | ||
| }); |
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