@universal-material/angular
Version:
This library was generated with [Angular CLI](https://github.com/angular/angular-cli) version 16.1.0.
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JavaScript
import { Component, EventEmitter, Input, Output, ViewEncapsulation } from '@angular/core';
import { toString } from '../util/util';
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
import * as i2 from "../ripple/ripple.directive";
export class TypeaheadWindow {
constructor() {
this.activeIdx = 0;
/**
* The id for the typeahead window. The id should be unique and the same
* as the associated typeahead's id.
*/
this.id = null;
/**
* Flag indicating if the first row should be active initially
*/
this.focusFirst = true;
/**
* A function used to format a given result before display. This function should return a formatted string without any
* HTML markup
*/
this.formatter = toString;
/**
* A custom class to append to the typeahead window
*
* @since 9.1.0
*/
this.popupClass = null;
/**
* Event raised when user selects a particular result row
*/
this.selectEvent = new EventEmitter();
this.activeChangeEvent = new EventEmitter();
}
hasActive() { return this.activeIdx > -1 && this.activeIdx < this.results.length; }
getActive() { return this.results[this.activeIdx]; }
markActive(activeIdx) {
this.activeIdx = activeIdx;
this._activeChanged();
}
next() {
if (this.activeIdx === this.results.length - 1) {
this.activeIdx = this.focusFirst ? (this.activeIdx + 1) % this.results.length : -1;
}
else {
this.activeIdx++;
}
this._activeChanged();
}
prev() {
if (this.activeIdx < 0) {
this.activeIdx = this.results.length - 1;
}
else if (this.activeIdx === 0) {
this.activeIdx = this.focusFirst ? this.results.length - 1 : -1;
}
else {
this.activeIdx--;
}
this._activeChanged();
}
resetActive() {
this.activeIdx = this.focusFirst ? 0 : -1;
this._activeChanged();
}
select(item) { this.selectEvent.emit(item); }
ngOnInit() { this.resetActive(); }
_activeChanged() {
this.activeChangeEvent.emit(this.activeIdx >= 0 ? this.id + '-' + this.activeIdx : undefined);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TypeaheadWindow, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.2.12", type: TypeaheadWindow, selector: "u-typeahead-window", inputs: { id: "id", focusFirst: "focusFirst", results: "results", term: "term", formatter: "formatter", resultTemplate: "resultTemplate", popupClass: "popupClass" }, outputs: { selectEvent: "select", activeChangeEvent: "activeChange" }, host: { attributes: { "role": "listbox" }, listeners: { "mousedown": "$event.preventDefault()" }, properties: { "class": "\"u-dropdown-menu show\" + (popupClass ? \" \" + popupClass : \"\")", "id": "id" } }, exportAs: ["TypeaheadWindow"], ngImport: i0, template: `
<ng-template #rt let-result="result" let-term="term" let-formatter="formatter">
<u-highlight [attr.result]="formatter(result)" [attr.term]="term"></u-highlight>
</ng-template>
<ng-template ngFor [ngForOf]="results" let-result let-idx="index">
<button type="button" uRipple class="u-dropdown-item" role="option"
[id]="id + '-' + idx"
[class.active]="idx === activeIdx"
(mouseenter)="markActive(idx)"
(click)="select(result)">
<ng-template
[ngTemplateOutlet]="resultTemplate || rt"
[ngTemplateOutletContext]="{result: result, term: term, formatter: formatter}"></ng-template>
</button>
</ng-template>
`, isInline: true, dependencies: [{ kind: "directive", type: i1.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "directive", type: i2.RippleDirective, selector: "[uRipple]", inputs: ["rippleConfig", "rippleDisabled"] }], encapsulation: i0.ViewEncapsulation.None }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: TypeaheadWindow, decorators: [{
type: Component,
args: [{
selector: 'u-typeahead-window',
exportAs: 'TypeaheadWindow',
encapsulation: ViewEncapsulation.None,
host: {
'(mousedown)': '$event.preventDefault()',
'[class]': '"u-dropdown-menu show" + (popupClass ? " " + popupClass : "")',
'role': 'listbox',
'[id]': 'id'
},
template: `
<ng-template #rt let-result="result" let-term="term" let-formatter="formatter">
<u-highlight [attr.result]="formatter(result)" [attr.term]="term"></u-highlight>
</ng-template>
<ng-template ngFor [ngForOf]="results" let-result let-idx="index">
<button type="button" uRipple class="u-dropdown-item" role="option"
[id]="id + '-' + idx"
[class.active]="idx === activeIdx"
(mouseenter)="markActive(idx)"
(click)="select(result)">
<ng-template
[ngTemplateOutlet]="resultTemplate || rt"
[ngTemplateOutletContext]="{result: result, term: term, formatter: formatter}"></ng-template>
</button>
</ng-template>
`
}]
}], propDecorators: { id: [{
type: Input
}], focusFirst: [{
type: Input
}], results: [{
type: Input
}], term: [{
type: Input
}], formatter: [{
type: Input
}], resultTemplate: [{
type: Input
}], popupClass: [{
type: Input
}], selectEvent: [{
type: Output,
args: ['select']
}], activeChangeEvent: [{
type: Output,
args: ['activeChange']
}] } });
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The id should be unique and the same\n   *  as the associated typeahead's id.\n   */\n  @Input() id: string | null = null;\n\n  /**\n   * Flag indicating if the first row should be active initially\n   */\n  @Input() focusFirst = true;\n\n  /**\n   * Typeahead match results to be displayed\n   */\n  @Input() results!: readonly any[];\n\n  /**\n   * Search term used to get current results\n   */\n  @Input() term!: string;\n\n  /**\n   * A function used to format a given result before display. This function should return a formatted string without any\n   * HTML markup\n   */\n  @Input() formatter = toString;\n\n  /**\n   * A template to override a matching result default display\n   */\n  @Input() resultTemplate!: TemplateRef<ResultTemplateContext>;\n\n  /**\n   * A custom class to append to the typeahead window\n   *\n   * @since 9.1.0\n   */\n  @Input() popupClass: string | null = null;\n\n  /**\n   * Event raised when user selects a particular result row\n   */\n  @Output('select') selectEvent = new EventEmitter();\n\n  @Output('activeChange') activeChangeEvent = new EventEmitter();\n\n  hasActive() { return this.activeIdx > -1 && this.activeIdx < this.results.length; }\n\n  getActive() { return this.results[this.activeIdx]; }\n\n  markActive(activeIdx: number) {\n    this.activeIdx = activeIdx;\n    this._activeChanged();\n  }\n\n  next() {\n    if (this.activeIdx === this.results.length - 1) {\n      this.activeIdx = this.focusFirst ? (this.activeIdx + 1) % this.results.length : -1;\n    } else {\n      this.activeIdx++;\n    }\n    this._activeChanged();\n  }\n\n  prev() {\n    if (this.activeIdx < 0) {\n      this.activeIdx = this.results.length - 1;\n    } else if (this.activeIdx === 0) {\n      this.activeIdx = this.focusFirst ? this.results.length - 1 : -1;\n    } else {\n      this.activeIdx--;\n    }\n    this._activeChanged();\n  }\n\n  resetActive() {\n    this.activeIdx = this.focusFirst ? 0 : -1;\n    this._activeChanged();\n  }\n\n  select(item: any) { this.selectEvent.emit(item); }\n\n  ngOnInit() { this.resetActive(); }\n\n  private _activeChanged() {\n    this.activeChangeEvent.emit(this.activeIdx >= 0 ? this.id + '-' + this.activeIdx : undefined);\n  }\n}\n"]}