ngx-mat-tag-input
Version:
Angular tags-input based on Material Angular
165 lines • 18.2 kB
JavaScript
var NgxMatTagInputComponent_1;
import { __decorate } from "tslib";
import { Component, EventEmitter, forwardRef, Input, Output, ViewChild } from '@angular/core';
import { FormControl, NG_VALUE_ACCESSOR } from '@angular/forms';
import { COMMA, ENTER } from '@angular/cdk/keycodes';
import { map, startWith } from 'rxjs/operators';
let NgxMatTagInputComponent = NgxMatTagInputComponent_1 = class NgxMatTagInputComponent {
constructor() {
this.items = [];
this.selectedTags = [];
this.reset = new EventEmitter();
this.ngModelChange = new EventEmitter();
this.change = new EventEmitter();
this.focus = new EventEmitter();
this.select = new EventEmitter();
this.touched = new EventEmitter();
this.separatorKeysCodes = [ENTER, COMMA];
this.searchControl = new FormControl();
this.onChange = () => {
};
this.onTouched = () => {
};
}
get value() {
return this.selectedTags;
}
set value(value) {
this.selectedTags = value;
this.onChange(value);
this._change(value);
this.onTouched();
}
ngOnInit() {
this.filteredItems = this.searchControl.valueChanges.pipe(startWith(null), map((tag) => tag ? this._filter(tag) : this.items.slice()));
}
writeValue(obj) {
if (obj) {
this.value = obj;
}
if (obj === null) {
this.value = [];
}
}
registerOnChange(fn) {
this.change.emit(fn);
this.onChange = fn;
}
registerOnTouched(fn) {
this.onTouched = fn;
this.touched.emit(fn);
}
setDisabledState(isDisabled) {
this.searchControl.disable();
}
_modelChange(event) {
this.ngModelChange.emit(event);
}
_change(event) {
this.change.emit(event);
}
_focus(event) {
this.focus.emit(event);
}
add(event) {
const input = event.input;
const value = event.value;
if ((value || '').trim()) {
this.selectedTags.push(value.trim());
}
if (input) {
input.value = '';
}
this.searchControl.setValue(null);
this._change(this.selectedTags);
}
remove(fruit) {
const index = this.selectedTags.indexOf(fruit);
if (index >= 0) {
this.selectedTags.splice(index, 1);
}
this._change(this.selectedTags);
}
selected(event) {
this.pushTag(event.option.value);
this.tagsInput.nativeElement.value = '';
this.searchControl.setValue(null);
this.select.emit(event.option.value);
}
clear() {
this.selectedTags = [];
}
pushTag(tag) {
if (!this.selectedTags.includes(tag)) {
this.selectedTags.push(tag);
this._change(this.selectedTags);
}
}
_filter(value) {
const filterValue = (this.displayBy && value[this.displayBy] ? value[this.displayBy] : value).toLowerCase();
if (this.displayBy) {
return this.items.filter(option => option[this.displayBy].toLowerCase().includes(filterValue));
}
else {
return this.items.filter(option => option.toLowerCase().includes(filterValue));
}
}
};
__decorate([
Input()
], NgxMatTagInputComponent.prototype, "appearance", void 0);
__decorate([
Input()
], NgxMatTagInputComponent.prototype, "readonly", void 0);
__decorate([
Input()
], NgxMatTagInputComponent.prototype, "items", void 0);
__decorate([
Input()
], NgxMatTagInputComponent.prototype, "placeholder", void 0);
__decorate([
Input()
], NgxMatTagInputComponent.prototype, "displayBy", void 0);
__decorate([
Input()
], NgxMatTagInputComponent.prototype, "isLoading", void 0);
__decorate([
Input()
], NgxMatTagInputComponent.prototype, "selectedTags", void 0);
__decorate([
Output()
], NgxMatTagInputComponent.prototype, "reset", void 0);
__decorate([
Output()
], NgxMatTagInputComponent.prototype, "ngModelChange", void 0);
__decorate([
Output()
], NgxMatTagInputComponent.prototype, "change", void 0);
__decorate([
Output()
], NgxMatTagInputComponent.prototype, "focus", void 0);
__decorate([
Output()
], NgxMatTagInputComponent.prototype, "select", void 0);
__decorate([
Output()
], NgxMatTagInputComponent.prototype, "touched", void 0);
__decorate([
ViewChild('tagsInput')
], NgxMatTagInputComponent.prototype, "tagsInput", void 0);
NgxMatTagInputComponent = NgxMatTagInputComponent_1 = __decorate([
Component({
selector: 'ngx-mat-tag-input',
template: "<mat-form-field [appearance]=\"appearance\" class=\"mat-tag-input-container\">\r\n <mat-chip-list #chipList>\r\n <mat-chip (removed)=\"remove(item)\" *ngFor=\"let item of selectedTags\" [removable]=\"true\" [selectable]=\"true\">\r\n {{displayBy ? item[displayBy] : item}}\r\n <mat-icon matChipRemove>cancel</mat-icon>\r\n </mat-chip>\r\n <input #tagsInput\r\n (focus)=\"_focus($event)\" (matChipInputTokenEnd)=\"add($event)\" (ngModelChange)=\"_modelChange($event)\"\r\n [formControl]=\"searchControl\" [matAutocomplete]=\"auto\" [matChipInputFor]=\"chipList\"\r\n [matChipInputSeparatorKeyCodes]=\"separatorKeysCodes\"\r\n [placeholder]=\"placeholder\">\r\n </mat-chip-list>\r\n <button (click)=\"clear()\" *ngIf=\"selectedTags.length !== 0\" mat-button mat-icon-button\r\n matSuffix>\r\n <mat-icon>close</mat-icon>\r\n </button>\r\n <mat-autocomplete #auto=\"matAutocomplete\" (optionSelected)=\"selected($event)\">\r\n <mat-option *ngIf=\"isLoading\" class=\"centered\">\r\n <mat-spinner diameter=\"40\"></mat-spinner>\r\n </mat-option>\r\n <mat-option *ngFor=\"let item of filteredItems | async\" [value]=\"item\">\r\n {{displayBy ? item[displayBy] : item}}\r\n </mat-option>\r\n </mat-autocomplete>\r\n</mat-form-field>\r\n",
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => NgxMatTagInputComponent_1),
multi: true
}
],
styles: [".mat-tag-input-container{width:100%}.centered{width:100%;display:flex;flex-direction:row;flex-wrap:wrap;justify-content:center;align-items:center}.centered mat-spinner{left:45%}"]
})
], NgxMatTagInputComponent);
export { NgxMatTagInputComponent };
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{Component, ElementRef, EventEmitter, forwardRef, Input, OnInit, Output, ViewChild} from '@angular/core';\nimport {ControlValueAccessor, FormControl, NG_VALUE_ACCESSOR} from '@angular/forms';\nimport {COMMA, ENTER} from '@angular/cdk/keycodes';\nimport {MatFormFieldAppearance} from '@angular/material/form-field';\nimport {MatAutocompleteSelectedEvent} from '@angular/material/autocomplete';\nimport {MatChipInputEvent} from '@angular/material/chips';\n\nimport {Observable} from 'rxjs';\nimport {map, startWith} from 'rxjs/operators';\n\n@Component({\n  selector: 'ngx-mat-tag-input',\n  templateUrl: './ngx-mat-tag-input.component.html',\n  styleUrls: ['./ngx-mat-tag-input.component.scss'],\n  providers: [\n    {\n      provide: NG_VALUE_ACCESSOR,\n      useExisting: forwardRef(() => NgxMatTagInputComponent),\n      multi: true\n    }\n  ]\n})\nexport class NgxMatTagInputComponent implements OnInit, ControlValueAccessor {\n\n  @Input() appearance: MatFormFieldAppearance;\n  @Input() readonly: boolean;\n  @Input() items: any[] = [];\n  @Input() placeholder: string;\n  @Input() displayBy: string;\n  @Input() isLoading: boolean;\n  @Input() selectedTags: any[] = [];\n\n  @Output() reset = new EventEmitter();\n  @Output() ngModelChange = new EventEmitter();\n  @Output() change = new EventEmitter();\n  @Output() focus = new EventEmitter();\n  @Output() select = new EventEmitter();\n  @Output() touched = new EventEmitter();\n\n  @ViewChild('tagsInput') tagsInput: ElementRef<HTMLInputElement>;\n\n  public separatorKeysCodes: number[] = [ENTER, COMMA];\n  public searchControl = new FormControl();\n  public filteredItems: Observable<any[]>;\n\n  constructor() {\n\n  }\n\n  get value(): any[] {\n    return this.selectedTags;\n  }\n\n  set value(value: any[]) {\n    this.selectedTags = value;\n    this.onChange(value);\n    this._change(value);\n    this.onTouched();\n  }\n\n  ngOnInit(): void {\n    this.filteredItems = this.searchControl.valueChanges.pipe(\n      startWith(null),\n      map((tag: any | null) => tag ? this._filter(tag) : this.items.slice()));\n  }\n\n  onChange: any = () => {\n  }\n\n  onTouched: any = () => {\n  }\n\n  writeValue(obj: any): void {\n    if (obj) {\n      this.value = obj;\n    }\n    if (obj === null) {\n      this.value = [];\n    }\n  }\n\n  registerOnChange(fn: any): void {\n    this.change.emit(fn);\n    this.onChange = fn;\n  }\n\n  registerOnTouched(fn: any): void {\n    this.onTouched = fn;\n    this.touched.emit(fn);\n  }\n\n  setDisabledState?(isDisabled: boolean): void {\n    this.searchControl.disable();\n  }\n\n  _modelChange(event): void {\n    this.ngModelChange.emit(event)\n  }\n\n  _change(event): void {\n    this.change.emit(event);\n  }\n\n  _focus(event): void {\n    this.focus.emit(event)\n  }\n\n  add(event: MatChipInputEvent): void {\n    const input = event.input;\n    const value = event.value;\n    if ((value || '').trim()) {\n      this.selectedTags.push(value.trim());\n    }\n    if (input) {\n      input.value = '';\n    }\n    this.searchControl.setValue(null);\n    this._change(this.selectedTags);\n  }\n\n  remove(fruit: any): void {\n    const index = this.selectedTags.indexOf(fruit);\n    if (index >= 0) {\n      this.selectedTags.splice(index, 1);\n    }\n    this._change(this.selectedTags);\n  }\n\n  selected(event: MatAutocompleteSelectedEvent): void {\n    this.pushTag(event.option.value);\n    this.tagsInput.nativeElement.value = '';\n    this.searchControl.setValue(null);\n    this.select.emit(event.option.value);\n  }\n\n  clear(): void {\n    this.selectedTags = [];\n  }\n\n  pushTag(tag: any): void {\n    if (!this.selectedTags.includes(tag)) {\n      this.selectedTags.push(tag);\n      this._change(this.selectedTags);\n    }\n  }\n\n  private _filter(value: any): string[] {\n    const filterValue = (this.displayBy && value[this.displayBy] ? value[this.displayBy] : value).toLowerCase();\n    if (this.displayBy) {\n      return this.items.filter(option => option[this.displayBy].toLowerCase().includes(filterValue));\n    } else {\n      return this.items.filter(option => option.toLowerCase().includes(filterValue));\n    }\n  }\n\n\n}\n"]}