uicore-ts
Version:
UICore is a library to build native-like user interfaces using pure Typescript. No HTML is needed at all. Components are described as TS classes and all user interactions are handled explicitly. This library is strongly inspired by the UIKit framework tha
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text/typescript
// @ts-ignore
import UIKeyValueStringFilterWebWorker from "./UIKeyValueStringFilterWebWorker.worker.js"
import { IS, IS_NOT, NO, UIObject, YES } from "./UIObject"
export class UIKeyValueStringFilter extends UIObject {
static _sharedWebWorkerHolder: {
webWorker: any
UICore_completionFunctions: Record<string, (
filteredData: string[],
filteredIndexes: number[],
identifier: any
) => void>
UICore_messagesToPost: any
UICore_isWorking: boolean
} = {
webWorker: new UIKeyValueStringFilterWebWorker(),
UICore_isWorking: false,
UICore_messagesToPost: undefined,
UICore_completionFunctions: {}
}
static _instanceNumber = -1
_instanceNumber: number
_isThreadClosed = NO
private readonly _webWorkerHolder = UIKeyValueStringFilter._sharedWebWorkerHolder
constructor(useSeparateWebWorkerHolder = NO) {
super()
if (useSeparateWebWorkerHolder) {
this._webWorkerHolder = {
webWorker: new UIKeyValueStringFilterWebWorker(),
UICore_isWorking: false,
UICore_messagesToPost: undefined,
UICore_completionFunctions: {}
}
}
UIKeyValueStringFilter._instanceNumber = UIKeyValueStringFilter._instanceNumber + 1
this._instanceNumber = UIKeyValueStringFilter._instanceNumber
if (IS_NOT(this._webWorkerHolder.webWorker.onmessage)) {
this._webWorkerHolder.webWorker.onmessage = (message: { data: { identifier: string; instanceIdentifier: string; filteredData: any[]; filteredIndexes: number[] } }) => {
this.isWorkerBusy = NO
this.postNextMessageIfNeeded()
const key = "" + message.data.identifier + message.data.instanceIdentifier
const completionFunction = this.completionFunctions[key]
if (IS(completionFunction)) {
//console.log("Filtering took " + (Date.now() - startTime) + " ms");
completionFunction(message.data.filteredData, message.data.filteredIndexes, message.data.identifier)
}
delete this.completionFunctions[key]
var asd = 1
}
}
}
get instanceIdentifier() {
return this._instanceNumber
}
get completionFunctions() {
const key = "UICore_completionFunctions"
let result: {
[x: string]: (filteredData: any[], filteredIndexes: number[], identifier: any) => void;
} = this._webWorkerHolder[key]
if (IS_NOT(result)) {
result = {}
this._webWorkerHolder[key] = result
}
return result
}
get messagesToPost() {
const key = "UICore_messagesToPost"
var result: any[] = this._webWorkerHolder[key]
if (IS_NOT(result)) {
result = []
this._webWorkerHolder[key] = result
}
return result
}
set isWorkerBusy(isWorkerBusy: boolean) {
this._webWorkerHolder["UICore_isWorking"] = isWorkerBusy
}
get isWorkerBusy() {
return IS(this._webWorkerHolder["UICore_isWorking"])
}
postNextMessageIfNeeded() {
if (this.messagesToPost.length && IS_NOT(this.isWorkerBusy)) {
this._webWorkerHolder.webWorker.postMessage(this.messagesToPost.firstElement)
this.messagesToPost.removeElementAtIndex(0)
this.isWorkerBusy = YES
}
}
filterData<T extends object>(
filteringString: string,
data: T[],
excludedData: string[],
dataKeyPath: string,
identifier: any,
completion: (filteredData: T[], filteredIndexes: number[], identifier: any) => void
) {
if (this._isThreadClosed) {
return
}
const instanceIdentifier = this.instanceIdentifier
const key = "" + identifier + instanceIdentifier
this.completionFunctions[key] = completion
try {
this.messagesToPost.push({
"filteringString": filteringString,
"data": data,
"excludedData": excludedData,
"dataKeyPath": dataKeyPath,
"identifier": identifier,
"instanceIdentifier": instanceIdentifier
})
this.postNextMessageIfNeeded()
} catch (exception) {
completion([], [], identifier)
}
}
closeThread() {
this._isThreadClosed = YES
if (this._webWorkerHolder != UIKeyValueStringFilter._sharedWebWorkerHolder) {
this._webWorkerHolder.webWorker.terminate()
}
}
}