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;
+    }
+}