diff options
Diffstat (limited to 'src/app/shared/modules/tidy-table/order-by.pipe.ts')
-rw-r--r-- | src/app/shared/modules/tidy-table/order-by.pipe.ts | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/src/app/shared/modules/tidy-table/order-by.pipe.ts b/src/app/shared/modules/tidy-table/order-by.pipe.ts new file mode 100644 index 0000000..45f44d9 --- /dev/null +++ b/src/app/shared/modules/tidy-table/order-by.pipe.ts @@ -0,0 +1,81 @@ +/* +============LICENSE_START========================================== +=================================================================== +Copyright (C) 2018 AT&T Intellectual Property. All rights reserved. +=================================================================== + +Unless otherwise specified, all software contained herein is licensed +under the Apache License, Version 2.0 (the License); +you may not use this software 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. + +ECOMP is a trademark and service mark of AT&T Intellectual Property. +============LICENSE_END============================================ +*/ + + +import {Pipe, PipeTransform} from '@angular/core'; + +@Pipe({name: 'orderBy'}) +export class OrderBy implements PipeTransform { + + transform(array, orderBy, asc = true) { + + if (!orderBy || orderBy.trim() == '') { + return array; + } + + //ascending + if (asc) { + return Array + .from(array) + .sort((item1: any, item2: any) => { + return this.orderByComparator(item1[orderBy], item2[orderBy]); + }); + } else { + //not asc + return Array + .from(array) + .sort((item1: any, item2: any) => { + return this.orderByComparator(item2[orderBy], item1[orderBy]); + }); + } + + } + + orderByComparator(a: any, b: any): number { + if (a != undefined && b != undefined) { + if ((isNaN(parseFloat(a)) || !isFinite(a)) || (isNaN(parseFloat(b)) || !isFinite(b))) { + // Isn't a number so lowercase the string to properly compare + if (a.toLowerCase() < b.toLowerCase()) + return -1; + if (a.toLowerCase() > b.toLowerCase()) + return 1; + } + else { + //Parse strings as numbers to compare properly + if (parseFloat(a) < parseFloat(b)) + return -1; + if (parseFloat(a) > parseFloat(b)) + return 1; + } + } else { + if (a == undefined) { + return -1; + } else { + return 1; + } + } + + + return 0; //equal each other + } +}
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