@ng-bootstrap/ng-bootstrap
Version:
Angular powered Bootstrap
149 lines • 15.5 kB
JavaScript
import { Component, EventEmitter, Input, Output, ViewEncapsulation } from '@angular/core';
import { toString } from '../util/util';
import { NgbHighlight } from './highlight';
import { NgFor, NgTemplateOutlet } from '@angular/common';
import * as i0 from "@angular/core";
class NgbTypeaheadWindow {
constructor() {
this.activeIdx = 0;
/**
* 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;
/**
* 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: "16.0.6", ngImport: i0, type: NgbTypeaheadWindow, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "16.0.6", type: NgbTypeaheadWindow, isStandalone: true, selector: "ngb-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": "$event.preventDefault()" }, properties: { "class": "\"dropdown-menu show\" + (popupClass ? \" \" + popupClass : \"\")", "id": "id" } }, exportAs: ["ngbTypeaheadWindow"], ngImport: i0, template: `
<ng-template #rt let-result="result" let-term="term" let-formatter="formatter">
<ngb-highlight [result]="formatter(result)" [term]="term"></ngb-highlight>
</ng-template>
<ng-template ngFor [ngForOf]="results" let-result let-idx="index">
<button
type="button"
class="dropdown-item"
role="option"
[id]="id + '-' + idx"
[class.active]="idx === activeIdx"
(mouseenter)="markActive(idx)"
(click)="select(result)"
>
<ng-template
[ngTemplateOutlet]="resultTemplate || rt"
[ngTemplateOutletContext]="{ result: result, term: term, formatter: formatter }"
></ng-template>
</button>
</ng-template>
`, isInline: true, dependencies: [{ kind: "component", type: NgbHighlight, selector: "ngb-highlight", inputs: ["highlightClass", "result", "term", "accentSensitive"] }, { kind: "directive", type: NgFor, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { kind: "directive", type: NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }], encapsulation: i0.ViewEncapsulation.None }); }
}
export { NgbTypeaheadWindow };
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.0.6", ngImport: i0, type: NgbTypeaheadWindow, decorators: [{
type: Component,
args: [{
selector: 'ngb-typeahead-window',
exportAs: 'ngbTypeaheadWindow',
standalone: true,
imports: [NgbHighlight, NgFor, NgTemplateOutlet],
encapsulation: ViewEncapsulation.None,
host: {
'(mousedown)': '$event.preventDefault()',
'[class]': '"dropdown-menu show" + (popupClass ? " " + popupClass : "")',
role: 'listbox',
'[id]': 'id',
},
template: `
<ng-template #rt let-result="result" let-term="term" let-formatter="formatter">
<ngb-highlight [result]="formatter(result)" [term]="term"></ngb-highlight>
</ng-template>
<ng-template ngFor [ngForOf]="results" let-result let-idx="index">
<button
type="button"
class="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\t *  as the associated typeahead's id.\n\t */\n\t@Input() id: string;\n\n\t/**\n\t * Flag indicating if the first row should be active initially\n\t */\n\t@Input() focusFirst = true;\n\n\t/**\n\t * Typeahead match results to be displayed\n\t */\n\t@Input() results;\n\n\t/**\n\t * Search term used to get current results\n\t */\n\t@Input() term: string;\n\n\t/**\n\t * A function used to format a given result before display. This function should return a formatted string without any\n\t * HTML markup\n\t */\n\t@Input() formatter = toString;\n\n\t/**\n\t * A template to override a matching result default display\n\t */\n\t@Input() resultTemplate: TemplateRef<ResultTemplateContext>;\n\n\t/**\n\t * A custom class to append to the typeahead window\n\t *\n\t * @since 9.1.0\n\t */\n\t@Input() popupClass: string;\n\n\t/**\n\t * Event raised when user selects a particular result row\n\t */\n\t@Output('select') selectEvent = new EventEmitter();\n\n\t@Output('activeChange') activeChangeEvent = new EventEmitter();\n\n\thasActive() {\n\t\treturn this.activeIdx > -1 && this.activeIdx < this.results.length;\n\t}\n\n\tgetActive() {\n\t\treturn this.results[this.activeIdx];\n\t}\n\n\tmarkActive(activeIdx: number) {\n\t\tthis.activeIdx = activeIdx;\n\t\tthis._activeChanged();\n\t}\n\n\tnext() {\n\t\tif (this.activeIdx === this.results.length - 1) {\n\t\t\tthis.activeIdx = this.focusFirst ? (this.activeIdx + 1) % this.results.length : -1;\n\t\t} else {\n\t\t\tthis.activeIdx++;\n\t\t}\n\t\tthis._activeChanged();\n\t}\n\n\tprev() {\n\t\tif (this.activeIdx < 0) {\n\t\t\tthis.activeIdx = this.results.length - 1;\n\t\t} else if (this.activeIdx === 0) {\n\t\t\tthis.activeIdx = this.focusFirst ? this.results.length - 1 : -1;\n\t\t} else {\n\t\t\tthis.activeIdx--;\n\t\t}\n\t\tthis._activeChanged();\n\t}\n\n\tresetActive() {\n\t\tthis.activeIdx = this.focusFirst ? 0 : -1;\n\t\tthis._activeChanged();\n\t}\n\n\tselect(item) {\n\t\tthis.selectEvent.emit(item);\n\t}\n\n\tngOnInit() {\n\t\tthis.resetActive();\n\t}\n\n\tprivate _activeChanged() {\n\t\tthis.activeChangeEvent.emit(this.activeIdx >= 0 ? this.id + '-' + this.activeIdx : undefined);\n\t}\n}\n"]}