ngx-form-validator-super
Version:
A super flexible and time saving Validation logic handeling directive for Angular Reactive forms.
116 lines • 13.2 kB
JavaScript
import { Directive, ElementRef, Optional, HostListener, Input } from '@angular/core';
import { NgControl, NgModel, ControlContainer } from '@angular/forms';
import { ValidatorLogic } from './validator-logic';
export class NGXFormValidator {
constructor(controlContainer, ValidatorLogic, ele) {
this.controlContainer = controlContainer;
this.ValidatorLogic = ValidatorLogic;
this.ele = ele;
this.btnClickHandler = (event) => {
event.preventDefault();
this.CallValidation(event.target);
};
this.SetMutationOserver();
}
ngOnInit() {
}
SetMutationOserver() {
if (!this.ele) {
return;
}
let observer = new MutationObserver((mutations) => {
let buttons = this.GetSubmitButtons();
if (buttons && buttons.length > 0) {
buttons.forEach(button => {
this.OnSubmitBtnClick(button);
});
}
});
observer.observe(this.ele.nativeElement, { childList: true, subtree: true, attributes: true });
}
GetSubmitButtons() {
if (!this.ele) {
return;
}
let submitButtons = this.ele.nativeElement.querySelectorAll("button[type=submit]");
return submitButtons;
}
OnSubmitBtnClick(btnRef) {
btnRef.removeEventListener('click', this.btnClickHandler);
btnRef.addEventListener('click', this.btnClickHandler);
}
CallValidation(target) {
this.ValidatorLogic.formControl = this.controlContainer;
if (!this.ValidatorLogic.ValidateControls(null)) {
target.removeEventListener('click', this.btnClickHandler);
target.click();
}
}
change(event) {
this.ValidatorLogic.formControl = this.controlContainer;
if (event.srcElement.attributes.formcontrolname) {
this.ValidatorLogic.ValidateControls(event.srcElement);
}
}
submit(e) {
//e.currentTarget.stopPropagation();
//this.ValidatorLogic.formControl = this.controlContainer
// this.ValidatorLogic.ValidateControls(null);
// e.target.onSubmit=null;
return false;
}
openPanel() {
this.ValidatorLogic.formControl = this.controlContainer;
this.ValidatorLogic.TogglePanel();
}
}
NGXFormValidator.decorators = [
{ type: Directive, args: [{
selector: '[ngxValidator]'
},] }
];
NGXFormValidator.ctorParameters = () => [
{ type: ControlContainer },
{ type: ValidatorLogic },
{ type: ElementRef }
];
NGXFormValidator.propDecorators = {
change: [{ type: HostListener, args: ["change", ["$event"],] }],
submit: [{ type: HostListener, args: ["submit", ["$event"],] }],
openPanel: [{ type: HostListener, args: ['document:keydown.shift.f8', ['$event'],] }]
};
export class NativeElementInjectorDirective {
constructor(el, control, model) {
this.el = el;
this.control = control;
this.model = model;
this.appendNativeElement();
}
onChange(event) {
this.appendNativeElement();
}
ngAfterViewInit() {
this.appendNativeElement();
}
appendNativeElement() {
if (!!this.model)
this.model.control.nativeElement = this.el.nativeElement;
else if (this.control.control)
this.control.control.nativeElement = this.el.nativeElement;
}
}
NativeElementInjectorDirective.decorators = [
{ type: Directive, args: [{
selector: '[ngModel], [formControl], [formControlName]',
},] }
];
NativeElementInjectorDirective.ctorParameters = () => [
{ type: ElementRef },
{ type: NgControl },
{ type: NgModel, decorators: [{ type: Optional }] }
];
NativeElementInjectorDirective.propDecorators = {
validationContainerId: [{ type: Input, args: ['validationContainerId',] }],
onChange: [{ type: HostListener, args: ['change', ['$event'],] }]
};
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}\r\n  let observer = new MutationObserver((mutations)=>{\r\n\r\n      let buttons = this.GetSubmitButtons();\r\n      if(buttons && buttons.length>0){\r\n        buttons.forEach(button=>{\r\n\r\n          this.OnSubmitBtnClick(button);\r\n        })\r\n      }\r\n\r\n  });\r\n  observer.observe(this.ele.nativeElement,{childList:true,subtree:true,attributes:true})\r\n}\r\n\r\nprivate GetSubmitButtons():any[]{\r\n\r\n  if(!this.ele){ return ;}\r\n\r\n  let submitButtons = this.ele.nativeElement.querySelectorAll(\"button[type=submit]\");\r\n\r\n  return submitButtons;\r\n}\r\n\r\nprivate OnSubmitBtnClick(btnRef){\r\n\r\n   btnRef.removeEventListener('click',this.btnClickHandler)\r\n\r\n   btnRef.addEventListener('click',this.btnClickHandler)\r\n\r\n}\r\n\r\npublic btnClickHandler =(event:any)=>{\r\n\r\n  event.preventDefault();\r\n  this.CallValidation(event.target)\r\n}\r\n\r\nprivate CallValidation(target){\r\n\r\n  this.ValidatorLogic.formControl = this.controlContainer\r\n  if(!this.ValidatorLogic.ValidateControls(null)){\r\n    target.removeEventListener('click',this.btnClickHandler)\r\n    target.click();\r\n  }\r\n\r\n}\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n  @HostListener(\"change\", [\"$event\"]) change(event) {\r\n\r\n    this.ValidatorLogic.formControl = this.controlContainer;\r\n    if (event.srcElement.attributes.formcontrolname) {\r\n      this.ValidatorLogic.ValidateControls(event.srcElement);\r\n    }\r\n  }\r\n\r\n  @HostListener(\"submit\", [\"$event\"]) submit(e) {\r\n    //e.currentTarget.stopPropagation();\r\n\r\n    //this.ValidatorLogic.formControl = this.controlContainer\r\n\r\n   // this.ValidatorLogic.ValidateControls(null);\r\n   // e.target.onSubmit=null;\r\n    return false;\r\n  }\r\n\r\n  @HostListener('document:keydown.shift.f8',['$event']) openPanel(){\r\n\r\n    this.ValidatorLogic.formControl = this.controlContainer\r\n    this.ValidatorLogic.TogglePanel();\r\n\r\n  }\r\n\r\n}\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n@Directive({\r\n  selector: '[ngModel], [formControl], [formControlName]', // or 'input, select, textarea' - but then your controls won't be handled and also checking for undefined would be necessary\r\n})\r\nexport class NativeElementInjectorDirective {\r\n  constructor(private el: ElementRef, private control: NgControl, @Optional() private model: NgModel) {\r\n    this.appendNativeElement();\r\n\r\n  }\r\n\r\n  @Input('validationContainerId') validationContainerId:string;\r\n\r\n\r\n  @HostListener('change', ['$event']) onChange(event) {\r\n    this.appendNativeElement();\r\n\r\n  }\r\n\r\n  ngAfterViewInit() {\r\n\r\n    this.appendNativeElement();\r\n  }\r\n\r\n  private appendNativeElement() {\r\n    if (!!this.model)\r\n      (<any>this.model.control).nativeElement = this.el.nativeElement;\r\n    else if(this.control.control)\r\n      (<any>this.control.control).nativeElement = this.el.nativeElement;\r\n\r\n\r\n  }\r\n}\r\n"]}