asa-date-picker
Version:
An Angular date picker component supporting Gregorian and Persian (Jalali/Shamsi) calendars, powered by Asa Co.
224 lines • 30.7 kB
JavaScript
import { Directive, HostListener, Input } from '@angular/core';
import * as i0 from "@angular/core";
export class DateMaskDirective {
constructor(el) {
this.el = el;
this.dateFormat = 'yyyy/MM/dd';
this.disableInputMask = false;
this.delimiters = [];
this.parts = [];
this.lastValue = '';
}
ngOnInit() {
this.parseFormat();
}
parseFormat() {
if (this.disableInputMask)
return;
this.parts = [];
this.delimiters = [];
let currentPart = '';
for (let i = 0; i < this.dateFormat.length; i++) {
const char = this.dateFormat[i];
if (this.isFormatChar(char)) {
currentPart += char;
}
else {
if (currentPart) {
this.parts.push(currentPart);
currentPart = '';
}
this.delimiters.push(char);
}
}
if (currentPart) {
this.parts.push(currentPart);
}
}
isFormatChar(char) {
return /[yMdHhmsa]/i.test(char);
}
onInput(event) {
if (this.disableInputMask)
return;
const input = event.target;
const cursorPosition = input.selectionStart || 0;
let value = input.value.replace(/[^0-9APMapm\s:/\-\.]/g, '');
// Allow backspace/delete
if (value.length < this.lastValue.length) {
this.lastValue = value;
return;
}
let formattedParts = [];
let currentValue = value;
let shouldAddDelimiter = false;
let totalLength = 0;
let newCursorPosition = cursorPosition;
for (let i = 0; i < this.parts.length; i++) {
const part = this.extractPart(currentValue, this.parts[i]);
if (!part && part !== '0')
break;
const expectedLength = this.getPartLength(this.parts[i]);
let formattedPart = part;
if (formattedPart.length >= expectedLength) {
formattedPart = this.validatePart(formattedPart.slice(0, expectedLength), this.parts[i]);
shouldAddDelimiter = true;
}
formattedParts.push(formattedPart);
totalLength += formattedPart.length;
if (shouldAddDelimiter && i < this.parts.length - 1) {
formattedParts.push(this.delimiters[i] || '');
totalLength += 1;
shouldAddDelimiter = false;
if (cursorPosition === totalLength - 1) {
newCursorPosition = totalLength;
}
}
currentValue = this.removeProcessedPart(currentValue, part);
}
const formattedValue = formattedParts.join('');
input.value = formattedValue;
// Set cursor position
newCursorPosition = Math.min(newCursorPosition, totalLength);
input.setSelectionRange(newCursorPosition, newCursorPosition);
this.lastValue = formattedValue;
}
extractPart(value, format) {
if (!value)
return '';
if (format[0].toLowerCase() === 'a') {
// Handle AM/PM
const match = value.match(/^[AaPp][Mm]?/);
return match ? match[0].toUpperCase() : '';
}
// Handle numeric parts
const match = value.match(/^\d+/);
return match ? match[0] : '';
}
removeProcessedPart(value, part) {
if (!part)
return value;
// Remove part and following delimiter if exists
const remainingValue = value.slice(part.length);
return remainingValue.replace(/^[:/\s-]/, '');
}
onKeyDown(event) {
if (this.disableInputMask)
return;
const input = event.target;
const cursorPosition = input.selectionStart || 0;
// Allow control keys
if (event.key === 'Backspace' || event.key === 'Delete' ||
event.key === 'ArrowLeft' || event.key === 'ArrowRight' ||
event.key === 'Tab' || event.ctrlKey) {
return;
}
const currentPartIndex = this.getCurrentPartIndex(input.value, cursorPosition);
if (currentPartIndex === -1)
return;
const currentFormat = this.parts[currentPartIndex];
const isTimeDelimiter = event.key === ':' && cursorPosition > 0 &&
(this.parts[currentPartIndex - 1]?.includes('H') ||
this.parts[currentPartIndex - 1]?.includes('h'));
// Allow time delimiter after hours
if (isTimeDelimiter) {
if (this.delimiters[currentPartIndex - 1] === ':') {
const parts = input.value.split(/[:/\s-]/);
const currentPart = this.validatePart(parts[currentPartIndex - 1], this.parts[currentPartIndex - 1]);
parts[currentPartIndex - 1] = currentPart;
const newValue = parts.slice(0, currentPartIndex).join(this.delimiters[currentPartIndex - 1]) + ':';
input.value = newValue + parts.slice(currentPartIndex).join(this.delimiters[currentPartIndex]);
input.setSelectionRange(newValue.length, newValue.length);
event.preventDefault();
}
return;
}
// Handle AM/PM input
if (currentFormat[0].toLowerCase() === 'a') {
if (!/^[AaPpMm]$/.test(event.key)) {
event.preventDefault();
}
return;
}
// Allow only digits for other parts
if (!/^\d$/.test(event.key)) {
event.preventDefault();
}
}
validatePart(value, format) {
if (value === '')
return '';
const type = format[0].toLowerCase();
if (type === 'a') {
const upperValue = value.toUpperCase();
if (value.length === 1) {
return upperValue === 'A' || upperValue === 'P' ? upperValue : '';
}
return ['AM', 'PM'].includes(upperValue) ? upperValue : upperValue[0];
}
const numValue = parseInt(value, 10);
switch (type) {
case 'h': // 12-hour format
if (format[0] == 'H')
return Math.min(Math.max(numValue, 0), 23).toString().padStart(2, '0');
return Math.min(Math.max(numValue, 1), 12).toString().padStart(2, '0');
case 'm': // month or minute
if (format === 'MM') {
return Math.min(Math.max(numValue, 1), 12).toString().padStart(2, '0');
}
return Math.min(Math.max(numValue, 0), 59).toString().padStart(2, '0');
case 's': // seconds
return Math.min(Math.max(numValue, 0), 59).toString().padStart(2, '0');
case 'd': // day
return Math.min(Math.max(numValue, 1), 31).toString().padStart(2, '0');
case 'y': // year
if (format.length === 2)
return value.padStart(2, '0');
return value.padStart(4, '0');
default:
return value;
}
}
getPartLength(format) {
const type = format[0].toLowerCase();
switch (type) {
case 'y': return format.length === 2 ? 2 : 4;
case 'a': return format.length === 1 ? 1 : 2;
default: return 2;
}
}
getCurrentPartIndex(value, cursorPosition) {
const parts = value.split(/[:/\s-]/);
let currentIndex = 0;
let totalLength = 0;
for (let i = 0; i < parts.length; i++) {
totalLength += parts[i].length;
if (cursorPosition <= totalLength + i) {
return i;
}
totalLength += 1; // Add delimiter length
}
return parts.length - 1;
}
}
DateMaskDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DateMaskDirective, deps: [{ token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Directive });
DateMaskDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "14.3.0", type: DateMaskDirective, isStandalone: true, selector: "[asa-dateMask]", inputs: { dateFormat: ["asa-dateMask", "dateFormat"], disableInputMask: "disableInputMask" }, host: { listeners: { "input": "onInput($event)", "keydown": "onKeyDown($event)" } }, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DateMaskDirective, decorators: [{
type: Directive,
args: [{
selector: '[asa-dateMask]',
standalone: true
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }]; }, propDecorators: { dateFormat: [{
type: Input,
args: ['asa-dateMask']
}], disableInputMask: [{
type: Input
}], onInput: [{
type: HostListener,
args: ['input', ['$event']]
}], onKeyDown: [{
type: HostListener,
args: ['keydown', ['$event']]
}] } });
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{ Directive, ElementRef, HostListener, Input } from '@angular/core';\n\n@Directive({\n  selector: '[asa-dateMask]',\n  standalone: true\n})\nexport class DateMaskDirective {\n  @Input('asa-dateMask') dateFormat: string = 'yyyy/MM/dd';\n  @Input() disableInputMask = false;\n\n  delimiters: string[] = [];\n  parts: string[] = [];\n  lastValue: string = '';\n\n  constructor(public el: ElementRef) {}\n\n  ngOnInit() {\n    this.parseFormat();\n  }\n\n  parseFormat() {\n    if (this.disableInputMask)\n      return;\n\n    this.parts = [];\n    this.delimiters = [];\n    let currentPart = '';\n\n    for (let i = 0; i < this.dateFormat.length; i++) {\n      const char = this.dateFormat[i];\n\n      if (this.isFormatChar(char)) {\n        currentPart += char;\n      } else {\n        if (currentPart) {\n          this.parts.push(currentPart);\n          currentPart = '';\n        }\n        this.delimiters.push(char);\n      }\n    }\n\n    if (currentPart) {\n      this.parts.push(currentPart);\n    }\n  }\n\n  isFormatChar(char: string): boolean {\n    return /[yMdHhmsa]/i.test(char);\n  }\n\n  @HostListener('input', ['$event'])\n  onInput(event: InputEvent) {\n    if (this.disableInputMask)\n      return;\n\n    const input = event.target as HTMLInputElement;\n    const cursorPosition = input.selectionStart || 0;\n    let value = input.value.replace(/[^0-9APMapm\\s:/\\-\\.]/g, '');\n\n    // Allow backspace/delete\n    if (value.length < this.lastValue.length) {\n      this.lastValue = value;\n      return;\n    }\n\n    let formattedParts: string[] = [];\n    let currentValue = value;\n    let shouldAddDelimiter = false;\n    let totalLength = 0;\n    let newCursorPosition = cursorPosition;\n\n    for (let i = 0; i < this.parts.length; i++) {\n      const part = this.extractPart(currentValue, this.parts[i]);\n      if (!part && part !== '0') break;\n\n      const expectedLength = this.getPartLength(this.parts[i]);\n      let formattedPart = part;\n\n      if (formattedPart.length >= expectedLength) {\n        formattedPart = this.validatePart(formattedPart.slice(0, expectedLength), this.parts[i]);\n        shouldAddDelimiter = true;\n      }\n\n      formattedParts.push(formattedPart);\n      totalLength += formattedPart.length;\n\n      if (shouldAddDelimiter && i < this.parts.length - 1) {\n        formattedParts.push(this.delimiters[i] || '');\n        totalLength += 1;\n        shouldAddDelimiter = false;\n\n        if (cursorPosition === totalLength - 1) {\n          newCursorPosition = totalLength;\n        }\n      }\n\n      currentValue = this.removeProcessedPart(currentValue, part);\n    }\n\n    const formattedValue = formattedParts.join('');\n    input.value = formattedValue;\n\n    // Set cursor position\n    newCursorPosition = Math.min(newCursorPosition, totalLength);\n    input.setSelectionRange(newCursorPosition, newCursorPosition);\n\n    this.lastValue = formattedValue;\n  }\n\n  extractPart(value: string, format: string): string {\n    if (!value) return '';\n\n    if (format[0].toLowerCase() === 'a') {\n      // Handle AM/PM\n      const match = value.match(/^[AaPp][Mm]?/);\n      return match ? match[0].toUpperCase() : '';\n    }\n\n    // Handle numeric parts\n    const match = value.match(/^\\d+/);\n    return match ? match[0] : '';\n  }\n\n  removeProcessedPart(value: string, part: string): string {\n    if (!part) return value;\n\n    // Remove part and following delimiter if exists\n    const remainingValue = value.slice(part.length);\n    return remainingValue.replace(/^[:/\\s-]/, '');\n  }\n\n  @HostListener('keydown', ['$event'])\n  onKeyDown(event: KeyboardEvent) {\n    if (this.disableInputMask)\n      return;\n\n    const input = event.target as HTMLInputElement;\n    const cursorPosition = input.selectionStart || 0;\n\n    // Allow control keys\n    if (event.key === 'Backspace' || event.key === 'Delete' ||\n        event.key === 'ArrowLeft' || event.key === 'ArrowRight' ||\n        event.key === 'Tab' || event.ctrlKey) {\n      return;\n    }\n\n    const currentPartIndex = this.getCurrentPartIndex(input.value, cursorPosition);\n    if (currentPartIndex === -1) return;\n\n    const currentFormat = this.parts[currentPartIndex];\n    const isTimeDelimiter = event.key === ':' && cursorPosition > 0 &&\n                           (this.parts[currentPartIndex - 1]?.includes('H') ||\n                            this.parts[currentPartIndex - 1]?.includes('h'));\n\n    // Allow time delimiter after hours\n    if (isTimeDelimiter) {\n      if (this.delimiters[currentPartIndex - 1] === ':') {\n        const parts = input.value.split(/[:/\\s-]/);\n        const currentPart = this.validatePart(parts[currentPartIndex - 1], this.parts[currentPartIndex - 1]);\n        parts[currentPartIndex - 1] = currentPart;\n\n        const newValue = parts.slice(0, currentPartIndex).join(this.delimiters[currentPartIndex - 1]) + ':';\n        input.value = newValue + parts.slice(currentPartIndex).join(this.delimiters[currentPartIndex]);\n\n        input.setSelectionRange(newValue.length, newValue.length);\n        event.preventDefault();\n      }\n      return;\n    }\n\n    // Handle AM/PM input\n    if (currentFormat[0].toLowerCase() === 'a') {\n      if (!/^[AaPpMm]$/.test(event.key)) {\n        event.preventDefault();\n      }\n      return;\n    }\n\n    // Allow only digits for other parts\n    if (!/^\\d$/.test(event.key)) {\n      event.preventDefault();\n    }\n  }\n\n  validatePart(value: string, format: string): string {\n    if (value === '') return '';\n\n    const type = format[0].toLowerCase();\n    if (type === 'a') {\n      const upperValue = value.toUpperCase();\n      if (value.length === 1) {\n        return upperValue === 'A' || upperValue === 'P' ? upperValue : '';\n      }\n      return ['AM', 'PM'].includes(upperValue) ? upperValue : upperValue[0];\n    }\n\n    const numValue = parseInt(value, 10);\n    switch (type) {\n      case 'h': // 12-hour format\n        if (format[0] == 'H')\n          return Math.min(Math.max(numValue, 0), 23).toString().padStart(2, '0');\n\n        return Math.min(Math.max(numValue, 1), 12).toString().padStart(2, '0');\n\n      case 'm': // month or minute\n        if (format === 'MM') {\n          return Math.min(Math.max(numValue, 1), 12).toString().padStart(2, '0');\n        }\n        return Math.min(Math.max(numValue, 0), 59).toString().padStart(2, '0');\n\n      case 's': // seconds\n        return Math.min(Math.max(numValue, 0), 59).toString().padStart(2, '0');\n\n      case 'd': // day\n        return Math.min(Math.max(numValue, 1), 31).toString().padStart(2, '0');\n\n      case 'y': // year\n        if (format.length === 2) return value.padStart(2, '0');\n        return value.padStart(4, '0');\n\n      default:\n        return value;\n    }\n  }\n\n  getPartLength(format: string): number {\n    const type = format[0].toLowerCase();\n    switch (type) {\n      case 'y': return format.length === 2 ? 2 : 4;\n      case 'a': return format.length === 1 ? 1 : 2;\n      default: return 2;\n    }\n  }\n\n  getCurrentPartIndex(value: string, cursorPosition: number): number {\n    const parts = value.split(/[:/\\s-]/);\n    let currentIndex = 0;\n    let totalLength = 0;\n\n    for (let i = 0; i < parts.length; i++) {\n      totalLength += parts[i].length;\n      if (cursorPosition <= totalLength + i) {\n        return i;\n      }\n      totalLength += 1; // Add delimiter length\n    }\n\n    return parts.length - 1;\n  }\n}\n"]}