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Merge pull request #6 from rico-projects/fixMultipleControllerUsage
Fix multiple controller usage
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| import { ApplicationRef, Injectable } from '@angular/core'; | ||
| import { LoggerFactory, LogLevel } from 'rico-js'; | ||
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| export class ModelMaintainer { | ||
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| static LOGGER: any = LoggerFactory.getLogger('RicoAngularAdapter::ModelMaintainer'); | ||
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| private appRef: ApplicationRef; | ||
| private clientContext: any; | ||
| private modelContainer: Map<any, Map<any, any>>; | ||
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| constructor(appRef: ApplicationRef, clientContext: any) { | ||
| this.clientContext = clientContext; | ||
| this.appRef = appRef; | ||
| this.modelContainer = new Map(); | ||
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| this.onBeanAddedHandler = this.onBeanAddedHandler.bind(this); | ||
| this.onBeanRemovedHandler = this.onBeanRemovedHandler.bind(this); | ||
| this.onBeanUpdateHandler = this.onBeanUpdateHandler.bind(this); | ||
| this.onArrayUpdateHandler = this.onArrayUpdateHandler.bind(this); | ||
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| this.bindBeanManagerListenersForController(clientContext.beanManager); | ||
| } | ||
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| private bindBeanManagerListenersForController(beanManager: any) { | ||
| const onBeanAddedHandlerResult = beanManager.onAdded(this.onBeanAddedHandler); | ||
| const onBeanRemovedHandlerResult = beanManager.onRemoved(this.onBeanRemovedHandler); | ||
| const onBeanUpdateHandlerResult = beanManager.onBeanUpdate(this.onBeanUpdateHandler); | ||
| const onArrayUpdateHandlerResult = beanManager.onArrayUpdate(this.onArrayUpdateHandler); | ||
| // TODO The results should be used to clean up at the end | ||
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| ModelMaintainer.LOGGER.debug('Rico remoting model binding listeners for Angular registered'); | ||
| } | ||
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| private onBeanAddedHandler(bean: any) { | ||
| this.modelContainer.set(bean, new Map()); | ||
| ModelMaintainer.LOGGER.debug('onBeanAddedHandler', bean); | ||
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| for (const propertyName of Object.keys(bean)) { | ||
| this.watchProperty(bean, propertyName); | ||
| } | ||
| } | ||
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| private onBeanRemovedHandler(bean: any) { | ||
| this.modelContainer.delete(bean); | ||
| ModelMaintainer.LOGGER.debug('onBeanRemovedHandler', bean); | ||
| } | ||
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| private onBeanUpdateHandler(bean: any, propertyName: string, newValue: any, oldValue: any) { | ||
| ModelMaintainer.LOGGER.debug('onBeanUpdateHandler', bean, propertyName, newValue, oldValue); | ||
| let newProperty = true; | ||
| for (const currentPropertyName in bean) { | ||
| if (currentPropertyName === propertyName) { | ||
| newProperty = false; | ||
| } | ||
| } | ||
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| if (oldValue === newValue) { | ||
| return; | ||
| } | ||
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| if (newProperty) { | ||
| this.watchProperty(bean, propertyName); | ||
| } | ||
| bean[propertyName] = newValue; | ||
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| this.appRef.tick(); | ||
| } | ||
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| private onArrayUpdateHandler(bean: any, propertyName: string, index: number, count: number, newElements: Array<any>) { | ||
| ModelMaintainer.LOGGER.debug('onArrayUpdateHandler', bean, propertyName, index, count, newElements); | ||
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| const array = bean[propertyName]; | ||
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| const oldElements = array.slice(index, index + count); | ||
| if (this.deepEqual(newElements, oldElements)) { | ||
| return; | ||
| } | ||
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| if (typeof newElements === 'undefined' || (newElements && newElements.length === 0)) { | ||
| array.splice(index, count); | ||
| } else { | ||
| this.injectArray(array, index, newElements); | ||
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| newElements.forEach( (element) => { | ||
| for (const currentPropertyName of Object.keys(element)) { | ||
| this.watchProperty(element, currentPropertyName); | ||
| } | ||
| }); | ||
| } | ||
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| this.appRef.tick(); | ||
| } | ||
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| private watchProperty(bean: any, propertyName: string) { | ||
| ModelMaintainer.LOGGER.debug('Watching', JSON.stringify(bean), 'property', propertyName); | ||
| const proxy = this; | ||
| const valueMap = proxy.modelContainer.get(bean); | ||
| (function () { | ||
| Object.defineProperty(bean, propertyName, { | ||
| // Create a new getter for the property | ||
| get: function () { | ||
| ModelMaintainer.LOGGER.trace('Get for ' + propertyName); | ||
| return valueMap.get(propertyName); | ||
| }, | ||
| // Create a new setter for the property | ||
| set: function (value) { | ||
| ModelMaintainer.LOGGER.trace('Set for', propertyName, 'with value', value); | ||
| proxy.clientContext.beanManager.classRepository.notifyBeanChange(bean, propertyName, value); | ||
| valueMap.set(propertyName, value); | ||
| }, | ||
| enumerable: true | ||
| }); | ||
| })(); | ||
| } | ||
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| private injectArray(baseArray: Array<any>, startIndex: number, insertArray: Array<any>) { | ||
| baseArray.splice.apply(baseArray, [startIndex, 0].concat(insertArray)); | ||
| } | ||
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| private exists(object: any) { | ||
| return typeof object !== 'undefined' && object !== null; | ||
| } | ||
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| private deepEqual(array1: Array<any>, array2: Array<any>) { | ||
| if (array1 === array2 || (!this.exists(array1) && !this.exists(array2))) { | ||
| return true; | ||
| } | ||
| if (this.exists(array1) !== this.exists(array2)) { | ||
| return false; | ||
| } | ||
| const n = array1.length; | ||
| if (array2.length !== n) { | ||
| return false; | ||
| } | ||
| for (let i = 0; i < n; i++) { | ||
| if (array1[i] !== array2[i]) { | ||
| return false; | ||
| } | ||
| } | ||
| return true; | ||
| } | ||
| } | ||
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