openaire-library/utils/my-date-picker/directives/my-date-picker.input.auto.f...

71 lines
2.7 KiB
TypeScript

import { Directive, ElementRef, Input, HostListener, Renderer2 } from "@angular/core";
import { IMyInputAutoFill } from "../interfaces/my-input-auto-fill.interface";
@Directive({
selector: "[myinputautofill]"
})
export class InputAutoFillDirective {
@Input("myinputautofill") opts: IMyInputAutoFill;
constructor(private el: ElementRef, private rndr: Renderer2) {}
@HostListener("keyup", ["$event"]) onKeyUp(evt: KeyboardEvent) {
if (!this.opts.enabled || evt.keyCode === 8 || evt.keyCode === 46) {
return;
}
let val: string = this.getInputValue();
let ews: boolean = this.endsWith(val, this.opts.separator);
let parts: Array<string> = val.split(this.opts.separator);
let idx: number = parts.length - 1;
if (val.indexOf(this.opts.separator + this.opts.separator) !== -1) {
return;
}
if (!ews && (val.length === this.getPartLength(0) || val.length === this.getPartLength(0) + this.getPartLength(1) + this.opts.separator.length)) {
this.setInputValue(val + this.opts.separator);
}
else if (ews && parts[idx - 1].length < this.getPartLength(idx - 1) && this.isNumber(parts[idx - 1]) && (this.isDay(idx - 1) || this.isMonth(idx - 1))) {
this.setInputValue(this.insertPos(val, val.length - 2, "0"));
}
else if (parts[idx].length < this.getPartLength(idx) && this.isNumber(parts[idx]) && (Number(parts[idx]) > 3 && this.isDay(idx) || Number(parts[idx]) > 1 && this.isMonth(idx))) {
this.setInputValue(this.insertPos(val, val.length - 1, "0") + (idx < 2 ? this.opts.separator : ""));
}
}
private endsWith(val: string, suffix: string): boolean {
return val.indexOf(suffix, val.length - suffix.length) !== -1;
}
private insertPos(str: string, idx: number, val: string): string {
return str.substr(0, idx) + val + str.substr(idx);
}
private getPartLength(idx: number): number {
return this.opts.formatParts[idx].length;
}
private isNumber(val: string): boolean {
return val.match(/[1-9]/) !== null;
}
private isDay(idx: number): boolean {
return this.opts.formatParts[idx].indexOf("d") !== -1;
}
private isMonth(idx: number): boolean {
return this.opts.formatParts[idx].indexOf("m") !== -1 && this.opts.formatParts[idx].length === 2;
}
private getInputValue(): string {
return this.el.nativeElement.value;
}
private setInputValue(val: string): void {
console.info(val);
this.rndr.setProperty(this.el.nativeElement, "value", val);
//this.rndr.setProperty(this.el.nativeElement, "value", val);
}
}