forked from MapComplete/MapComplete
74 lines
2.3 KiB
TypeScript
74 lines
2.3 KiB
TypeScript
import BaseUIElement from "../BaseUIElement"
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import { Translation } from "../i18n/Translation"
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import Translations from "../i18n/Translations"
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/**
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* A 'TextFieldValidator' contains various methods to check and cleanup an entered value or to give feedback.
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* They also double as an index of supported types for textfields in MapComplete
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*/
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export abstract class Validator {
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public readonly name: string
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/*
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* An explanation for the theme builder.
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* This can indicate which special input element is used, ...
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* */
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public readonly explanation: string
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/**
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* What HTML-inputmode to use
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*/
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public readonly inputmode?: string
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public readonly textArea: boolean
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constructor(
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name: string,
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explanation: string | BaseUIElement,
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inputmode?: string,
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textArea?: false | boolean
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) {
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this.name = name
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this.inputmode = inputmode
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this.textArea = textArea ?? false
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if (this.name.endsWith("textfield")) {
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this.name = this.name.substr(0, this.name.length - "TextField".length)
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}
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if (this.name.endsWith("textfielddef")) {
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this.name = this.name.substr(0, this.name.length - "TextFieldDef".length)
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}
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if (typeof explanation === "string") {
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this.explanation = explanation
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} else {
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this.explanation = explanation.AsMarkdown()
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}
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}
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/**
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* Gets a piece of feedback. By default, validation.<type> will be used, resulting in a generic 'not a valid <type>'.
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* However, inheritors might overwrite this to give more specific feedback
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*
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* Returns 'undefined' if the element is valid
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*/
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public getFeedback(s: string, _?: () => string): Translation | undefined {
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if (this.isValid(s)) {
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return undefined
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}
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const tr = Translations.t.validation[this.name]
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if (tr !== undefined) {
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return tr["feedback"]
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}
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}
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public getPlaceholder() {
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return Translations.t.validation[this.name].description
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}
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public isValid(_: string, __?: () => string): boolean {
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return true
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}
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/**
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* Reformats for the human
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*/
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public reformat(s: string, _?: () => string): string {
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return s
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}
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}
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