@asoftwareworld/form-builder-pro
Version:
ASW Form Builder Pro helps you with rapid development and designed web forms which includes several controls. The key feature of Form Builder is to make your content attractive and effective. We can customize our control at run time and preview the same b
131 lines • 18.8 kB
JavaScript
import { Injectable, Pipe } from '@angular/core';
import { equals, isDefined } from '@asoftwareworld/form-builder-pro/utils';
import { isObservable } from 'rxjs';
import * as i0 from "@angular/core";
import * as i1 from "./translate.service";
export class AswTranslatePipe {
translate;
changeDetectorRef;
value = '';
lastKey = null;
lastParams = [];
onTranslationChange;
onLangChange;
onDefaultLangChange;
constructor(translate, changeDetectorRef) {
this.translate = translate;
this.changeDetectorRef = changeDetectorRef;
}
updateValue(key, interpolateParams, translations) {
const onTranslation = (res) => {
this.value = res !== undefined ? res : key;
this.lastKey = key;
this.changeDetectorRef.markForCheck();
};
if (translations) {
const res = this.translate.getParsedResult(translations, key, interpolateParams);
if (isObservable(res.subscribe)) {
res.subscribe(onTranslation);
}
else {
onTranslation(res);
}
}
this.translate.get(key, interpolateParams).subscribe(onTranslation);
}
transform(query, ...args) {
if (!query || !query.length) {
return query;
}
// if we ask another time for the same key, return the last value
if (equals(query, this.lastKey) && equals(args, this.lastParams)) {
return this.value;
}
let interpolateParams;
if (isDefined(args[0]) && args.length) {
if (typeof args[0] === 'string' && args[0].length) {
// we accept objects written in the template such as {n:1}, {'n':1}, {n:'v'}
// which is why we might need to change it to real JSON objects such as {"n":1} or {"n":"v"}
const validArgs = args[0].replace(/(\')?([a-zA-Z0-9_]+)(\')?(\s)?:/g, '"$2":').replace(/:(\s)?(\')(.*?)(\')/g, ':"$3"');
try {
interpolateParams = JSON.parse(validArgs);
}
catch (e) {
throw new SyntaxError(`Wrong parameter in TranslatePipe. Expected a valid Object, received: ${args[0]}`);
}
}
else if (typeof args[0] === 'object' && !Array.isArray(args[0])) {
interpolateParams = args[0];
}
}
// store the query, in case it changes
this.lastKey = query;
// store the params, in case they change
this.lastParams = args;
// set the value
this.updateValue(query, interpolateParams);
// if there is a subscription to onLangChange, clean it
this._dispose();
// subscribe to onTranslationChange event, in case the translations change
if (!this.onTranslationChange) {
this.onTranslationChange = this.translate.onTranslationChange.subscribe((event) => {
if (this.lastKey && event.lang === this.translate.currentLang) {
this.lastKey = null;
this.updateValue(query, interpolateParams, event.translations);
}
});
}
// subscribe to onLangChange event, in case the language changes
if (!this.onLangChange) {
this.onLangChange = this.translate.onLangChange.subscribe((event) => {
if (this.lastKey) {
this.lastKey = null; // we want to make sure it doesn't return the same value until it's been updated
this.updateValue(query, interpolateParams, event.translations);
}
});
}
// subscribe to onDefaultLangChange event, in case the default language changes
if (!this.onDefaultLangChange) {
this.onDefaultLangChange = this.translate.onDefaultLangChange.subscribe(() => {
if (this.lastKey) {
this.lastKey = null; // we want to make sure it doesn't return the same value until it's been updated
this.updateValue(query, interpolateParams);
}
});
}
return this.value;
}
/**
* Clean any existing subscription to change events
*/
_dispose() {
if (typeof this.onTranslationChange !== 'undefined') {
this.onTranslationChange.unsubscribe();
this.onTranslationChange = undefined;
}
if (typeof this.onLangChange !== 'undefined') {
this.onLangChange.unsubscribe();
this.onLangChange = undefined;
}
if (typeof this.onDefaultLangChange !== 'undefined') {
this.onDefaultLangChange.unsubscribe();
this.onDefaultLangChange = undefined;
}
}
ngOnDestroy() {
this._dispose();
}
static ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.8", ngImport: i0, type: AswTranslatePipe, deps: [{ token: i1.AswTranslateService }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Pipe });
static ɵpipe = i0.ɵɵngDeclarePipe({ minVersion: "14.0.0", version: "18.2.8", ngImport: i0, type: AswTranslatePipe, name: "aswTranslate", pure: false });
static ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.8", ngImport: i0, type: AswTranslatePipe });
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.8", ngImport: i0, type: AswTranslatePipe, decorators: [{
type: Injectable
}, {
type: Pipe,
args: [{
name: 'aswTranslate',
pure: false // required to update the value when the promise is resolved
}]
}], ctorParameters: () => [{ type: i1.AswTranslateService }, { type: i0.ChangeDetectorRef }] });
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{ ChangeDetectorRef, Injectable, OnDestroy, Pipe, PipeTransform } from '@angular/core';\nimport { equals, isDefined } from '@asoftwareworld/form-builder-pro/utils';\nimport { isObservable, Subscription } from 'rxjs';\nimport { AswLangChangeEvent, AswTranslateService, AswTranslationChangeEvent } from './translate.service';\n\n@Injectable()\n@Pipe({\n    name: 'aswTranslate',\n    pure: false // required to update the value when the promise is resolved\n})\nexport class AswTranslatePipe implements PipeTransform, OnDestroy {\n    value = '';\n    lastKey: string | null = null;\n    lastParams: any[] = [];\n    onTranslationChange: Subscription | undefined;\n    onLangChange: Subscription | undefined;\n    onDefaultLangChange: Subscription | undefined;\n\n    constructor(\n        private translate: AswTranslateService,\n        private changeDetectorRef: ChangeDetectorRef\n    ) {}\n\n    updateValue(key: string, interpolateParams?: object, translations?: any): void {\n        const onTranslation = (res: string) => {\n            this.value = res !== undefined ? res : key;\n            this.lastKey = key;\n            this.changeDetectorRef.markForCheck();\n        };\n        if (translations) {\n            const res = this.translate.getParsedResult(translations, key, interpolateParams);\n            if (isObservable(res.subscribe)) {\n                res.subscribe(onTranslation);\n            } else {\n                onTranslation(res);\n            }\n        }\n        this.translate.get(key, interpolateParams).subscribe(onTranslation);\n    }\n\n    transform(query: string, ...args: any[]): any {\n        if (!query || !query.length) {\n            return query;\n        }\n\n        // if we ask another time for the same key, return the last value\n        if (equals(query, this.lastKey) && equals(args, this.lastParams)) {\n            return this.value;\n        }\n\n        let interpolateParams: object | undefined;\n        if (isDefined(args[0]) && args.length) {\n            if (typeof args[0] === 'string' && args[0].length) {\n                // we accept objects written in the template such as {n:1}, {'n':1}, {n:'v'}\n                // which is why we might need to change it to real JSON objects such as {\"n\":1} or {\"n\":\"v\"}\n                const validArgs: string = args[0].replace(/(\\')?([a-zA-Z0-9_]+)(\\')?(\\s)?:/g, '\"$2\":').replace(/:(\\s)?(\\')(.*?)(\\')/g, ':\"$3\"');\n                try {\n                    interpolateParams = JSON.parse(validArgs);\n                } catch (e) {\n                    throw new SyntaxError(`Wrong parameter in TranslatePipe. Expected a valid Object, received: ${args[0]}`);\n                }\n            } else if (typeof args[0] === 'object' && !Array.isArray(args[0])) {\n                interpolateParams = args[0];\n            }\n        }\n\n        // store the query, in case it changes\n        this.lastKey = query;\n\n        // store the params, in case they change\n        this.lastParams = args;\n\n        // set the value\n        this.updateValue(query, interpolateParams);\n\n        // if there is a subscription to onLangChange, clean it\n        this._dispose();\n\n        // subscribe to onTranslationChange event, in case the translations change\n        if (!this.onTranslationChange) {\n            this.onTranslationChange = this.translate.onTranslationChange.subscribe((event: AswTranslationChangeEvent) => {\n                if (this.lastKey && event.lang === this.translate.currentLang) {\n                    this.lastKey = null;\n                    this.updateValue(query, interpolateParams, event.translations);\n                }\n            });\n        }\n\n        // subscribe to onLangChange event, in case the language changes\n        if (!this.onLangChange) {\n            this.onLangChange = this.translate.onLangChange.subscribe((event: AswLangChangeEvent) => {\n                if (this.lastKey) {\n                    this.lastKey = null; // we want to make sure it doesn't return the same value until it's been updated\n                    this.updateValue(query, interpolateParams, event.translations);\n                }\n            });\n        }\n\n        // subscribe to onDefaultLangChange event, in case the default language changes\n        if (!this.onDefaultLangChange) {\n            this.onDefaultLangChange = this.translate.onDefaultLangChange.subscribe(() => {\n                if (this.lastKey) {\n                    this.lastKey = null; // we want to make sure it doesn't return the same value until it's been updated\n                    this.updateValue(query, interpolateParams);\n                }\n            });\n        }\n\n        return this.value;\n    }\n\n    /**\n     * Clean any existing subscription to change events\n     */\n    private _dispose(): void {\n        if (typeof this.onTranslationChange !== 'undefined') {\n            this.onTranslationChange.unsubscribe();\n            this.onTranslationChange = undefined;\n        }\n        if (typeof this.onLangChange !== 'undefined') {\n            this.onLangChange.unsubscribe();\n            this.onLangChange = undefined;\n        }\n        if (typeof this.onDefaultLangChange !== 'undefined') {\n            this.onDefaultLangChange.unsubscribe();\n            this.onDefaultLangChange = undefined;\n        }\n    }\n\n    ngOnDestroy(): void {\n        this._dispose();\n    }\n}\n"]}