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import { Component, EventEmitter, Input, Output } from "@angular/core";
import template from "./tag-cloud.component.html";
@Component({
selector: 'sdc-tag-cloud',
template: template,
})
export class TagCloudComponent {
@Input() public list: string[];
@Input() public isViewOnly: boolean|number[]; // get a boolean parameter or array of specific items indexes.
@Input() public isUniqueList: boolean;
@Input() public uniqueErrorMessage: string = "Unique error";
@Input() public label: string;
@Input() public placeholder: string;
@Output() public listChanged: EventEmitter<string[]> = new EventEmitter<string[]>();
private newTagItem: string;
private uniqueError: boolean;
private onKeyup = (e): void => {
if (e.keyCode === 13) {
this.insertItemToList();
}
}
private insertItemToList = (): void => {
this.validateTag();
if (!this.uniqueError && this.newTagItem.length) {
this.list.push(this.newTagItem);
this.newTagItem = "";
this.listChanged.emit(this.list);
}
}
private deleteItemFromList = (index: number): void => {
this.list.splice(index, 1);
if (Array.isArray(this.isViewOnly)) {
this.isViewOnly = this.isViewOnly.map((i: number) => {
return i > index ? i - 1 : i;
});
}
}
private validateTag = (): void => {
this.uniqueError = this.list && this.list.indexOf(this.newTagItem) > -1;
}
}
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