1 files changed, 51 insertions, 0 deletions
diff --git a/sdc-workflow-designer-ui/src/app/paletx/plx-datepicker/time.ts b/sdc-workflow-designer-ui/src/app/paletx/plx-datepicker/time.ts
new file mode 100644
index 00000000..ab31a498
--- /dev/null
+++ b/sdc-workflow-designer-ui/src/app/paletx/plx-datepicker/time.ts
@@ -0,0 +1,51 @@
+import { isNumber, toInteger } from './util/util';
+
+export class NgbTime {
+  public hour: number;
+  public minute: number;
+  public second: number;
+
+  constructor(hour?: number, minute?: number, second?: number) {
+    this.hour = toInteger(hour);
+    this.minute = toInteger(minute);
+    this.second = toInteger(second);
+  }
+
+  public changeHour(step = 1) { this.updateHour((isNaN(this.hour) ? 0 : this.hour) + step); }
+
+  public updateHour(hour: number) {
+    if (isNumber(hour)) {
+      this.hour = (hour < 0 ? 24 + hour : hour) % 24;
+    } else {
+      this.hour = NaN;
+    }
+  }
+
+  public changeMinute(step = 1) { this.updateMinute((isNaN(this.minute) ? 0 : this.minute) + step); }
+
+  public updateMinute(minute: number) {
+    if (isNumber(minute)) {
+      this.minute = minute % 60 < 0 ? 60 + minute % 60 : minute % 60;
+      this.changeHour(Math.floor(minute / 60));
+    } else {
+      this.minute = NaN;
+    }
+  }
+
+  public changeSecond(step = 1) { this.updateSecond((isNaN(this.second) ? 0 : this.second) + step); }
+
+  public updateSecond(second: number) {
+    if (isNumber(second)) {
+      this.second = second < 0 ? 60 + second % 60 : second % 60;
+      this.changeMinute(Math.floor(second / 60));
+    } else {
+      this.second = NaN;
+    }
+  }
+
+  public isValid(checkSecs = true) {
+    return isNumber(this.hour) && isNumber(this.minute) && (checkSecs ? isNumber(this.second) : true);
+  }
+
+  public toString() { return `${this.hour || 0}:${this.minute || 0}:${this.second || 0}`; }
+}