primeng
Version:
[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primeng) [
{"version":3,"file":"primeng-keyfilter.mjs","sources":["../../src/app/components/keyfilter/keyfilter.ts","../../src/app/components/keyfilter/primeng-keyfilter.ts"],"sourcesContent":["import { NgModule, Directive, ElementRef, HostListener, Input, forwardRef, Output, EventEmitter } from '@angular/core';\nimport { CommonModule } from '@angular/common';\nimport { DomHandler } from 'primeng/dom';\nimport { Validator, AbstractControl, NG_VALIDATORS } from '@angular/forms';\n\nexport const KEYFILTER_VALIDATOR: any = {\n provide: NG_VALIDATORS,\n useExisting: forwardRef(() => KeyFilter),\n multi: true\n};\n\nconst DEFAULT_MASKS = {\n pint: /[\\d]/,\n 'int': /[\\d\\-]/,\n pnum: /[\\d\\.]/,\n money: /[\\d\\.\\s,]/,\n num: /[\\d\\-\\.]/,\n hex: /[0-9a-f]/i,\n email: /[a-z0-9_\\.\\-@]/i,\n alpha: /[a-z_]/i,\n alphanum: /[a-z0-9_]/i\n};\n\nconst KEYS = {\n TAB: 9,\n RETURN: 13,\n ESC: 27,\n BACKSPACE: 8,\n DELETE: 46\n};\n\nconst SAFARI_KEYS = {\n 63234: 37, // left\n 63235: 39, // right\n 63232: 38, // up\n 63233: 40, // down\n 63276: 33, // page up\n 63277: 34, // page down\n 63272: 46, // delete\n 63273: 36, // home\n 63275: 35 // end\n};\n\n@Directive({\n selector: '[pKeyFilter]',\n providers: [KEYFILTER_VALIDATOR],\n host: {\n 'class': 'p-element'\n }\n})\nexport class KeyFilter implements Validator {\n\n @Input() pValidateOnly: boolean;\n\n @Output() ngModelChange: EventEmitter<any> = new EventEmitter();\n\n regex: RegExp;\n\n _pattern: any;\n\n isAndroid: boolean;\n\n lastValue: any;\n\n constructor(public el: ElementRef) {\n this.isAndroid = DomHandler.isAndroid();\n }\n\n get pattern(): any {\n return this._pattern;\n }\n\n @Input('pKeyFilter') set pattern(_pattern: any) {\n this._pattern = _pattern;\n this.regex = DEFAULT_MASKS[this._pattern] || this._pattern;\n }\n\n isNavKeyPress(e: KeyboardEvent) {\n let k = e.keyCode;\n k = DomHandler.getBrowser().safari ? (SAFARI_KEYS[k] || k) : k;\n\n return (k >= 33 && k <= 40) || k == KEYS.RETURN || k == KEYS.TAB || k == KEYS.ESC;\n };\n\n isSpecialKey(e: KeyboardEvent) {\n let k = e.keyCode || e.charCode;\n\n return k == 9 || k == 13 || k == 27 || k == 16 || k == 17 ||(k >= 18 && k <= 20) ||\n (DomHandler.getBrowser().opera && !e.shiftKey && (k == 8 || (k >= 33 && k <= 35) || (k >= 36 && k <= 39) || (k >= 44 && k <= 45)));\n }\n\n\n getKey(e: KeyboardEvent) {\n let k = e.keyCode || e.charCode;\n return DomHandler.getBrowser().safari ? (SAFARI_KEYS[k] || k) : k;\n }\n\n getCharCode(e: KeyboardEvent) {\n return e.charCode || e.keyCode || e.which;\n }\n\n findDelta(value: string, prevValue: string) {\n let delta = '';\n\n for (let i = 0; i < value.length; i++) {\n let str = value.substr(0, i) + value.substr(i + value.length - prevValue.length);\n\n if (str === prevValue)\n delta = value.substr(i, value.length - prevValue.length);\n }\n\n return delta;\n }\n\n isValidChar(c: string) {\n return this.regex.test(c);\n }\n\n isValidString(str: string) {\n for (let i = 0; i < str.length; i++) {\n if (!this.isValidChar(str.substr(i, 1))) {\n return false;\n }\n }\n\n return true;\n }\n\n @HostListener('input', ['$event'])\n onInput(e: KeyboardEvent) {\n if (this.isAndroid && !this.pValidateOnly) {\n let val = this.el.nativeElement.value;\n let lastVal = this.lastValue || '';\n\n let inserted = this.findDelta(val, lastVal);\n let removed = this.findDelta(lastVal, val);\n let pasted = inserted.length > 1 || (!inserted && !removed);\n\n if (pasted) {\n if (!this.isValidString(val)) {\n this.el.nativeElement.value = lastVal;\n this.ngModelChange.emit(lastVal);\n }\n }\n else if (!removed) {\n if (!this.isValidChar(inserted)) {\n this.el.nativeElement.value = lastVal;\n this.ngModelChange.emit(lastVal);\n }\n }\n\n val = this.el.nativeElement.value;\n if (this.isValidString(val)) {\n this.lastValue = val;\n }\n }\n }\n\n @HostListener('keypress', ['$event'])\n onKeyPress(e: KeyboardEvent) {\n if (this.isAndroid || this.pValidateOnly) {\n return;\n }\n\n let browser = DomHandler.getBrowser();\n let k = this.getKey(e);\n\n if (browser.mozilla && (e.ctrlKey || e.altKey)) {\n return;\n }\n else if (k == 17 || k == 18) {\n return;\n }\n\n let c = this.getCharCode(e);\n let cc = String.fromCharCode(c);\n let ok = true;\n\n if (!browser.mozilla && (this.isSpecialKey(e) || !cc)) {\n return;\n }\n\n ok = this.regex.test(cc);\n\n if (!ok) {\n e.preventDefault();\n }\n }\n\n @HostListener('paste', ['$event'])\n onPaste(e) {\n const clipboardData = e.clipboardData || (<any>window).clipboardData.getData('text');\n if (clipboardData) {\n const pastedText = clipboardData.getData('text');\n for (let char of pastedText.toString()) {\n if (!this.regex.test(char)) {\n e.preventDefault();\n return;\n }\n }\n }\n }\n\n validate(c: AbstractControl): { [key: string]: any } {\n if (this.pValidateOnly) {\n let value = this.el.nativeElement.value;\n if (value && !this.regex.test(value)) {\n return {\n validatePattern: false\n }\n }\n }\n }\n\n}\n\n@NgModule({\n imports: [CommonModule],\n exports: [KeyFilter],\n declarations: [KeyFilter]\n})\nexport class KeyFilterModule { }\n","/**\n * Generated bundle index. 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