diff options
Diffstat (limited to 'catalog-ui/src/app/ng2/shared/translator/translate.pipe.ts')
-rw-r--r-- | catalog-ui/src/app/ng2/shared/translator/translate.pipe.ts | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/catalog-ui/src/app/ng2/shared/translator/translate.pipe.ts b/catalog-ui/src/app/ng2/shared/translator/translate.pipe.ts new file mode 100644 index 0000000000..42e019829f --- /dev/null +++ b/catalog-ui/src/app/ng2/shared/translator/translate.pipe.ts @@ -0,0 +1,62 @@ +/*- + * ============LICENSE_START======================================================= + * SDC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +import { Pipe, PipeTransform } from '@angular/core'; +import { TranslateService, ITranslateArgs } from "./translate.service"; + + +@Pipe({ + name: 'translate', + pure: false +}) +export class TranslatePipe implements PipeTransform { + private translated:string; + private lastParams: { + phrase: string; + args: {[index: string]: any}; + language: string; + } = { + phrase: undefined, + args: undefined, + language: undefined + }; + + constructor(private translateService:TranslateService) { + } + + private shouldUpdate(curParams:{[index:string]: any}) : boolean { + return ( + curParams.language !== this.lastParams.language || + curParams.args !== this.lastParams.args || + curParams.phrase !== this.lastParams.phrase + ); + } + + public transform(phrase:string, args:ITranslateArgs, language:string=this.translateService.activeLanguage) : string { + const curParams = { phrase, args, language }; + if (this.shouldUpdate(curParams)) { + this.lastParams = curParams; + this.translated = this.translateService.translate(phrase, args, language); + console.log('*updated:', this.translated); + } + + return this.translated; + } +} |