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107 lines
2.4 KiB
TypeScript
107 lines
2.4 KiB
TypeScript
import {Directive, ElementRef, Renderer, Input, Optional, Attribute} from '@angular/core';
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/**
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* @name Label
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* @description
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* Labels are placed inside of an `ion-item` element and can be used
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* to describe an `ion-input`, `ion-toggle`, `ion-checkbox`, and more.
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*
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* @property [fixed] - A persistant label that sits next the input.
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* @property [floating] - A label that will float about the input if the input is empty of looses focus.
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* @property [stacked] - A stacked label will always appear on top of the input.
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*
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* @usage
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* ```html
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* <ion-item>
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* <ion-label>Username</ion-label>
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* <ion-input></ion-input>
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* </ion-item>
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*
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* <ion-item>
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* <ion-label fixed>Website</ion-label>
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* <ion-input type="url"></ion-input>
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* </ion-item>
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*
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* <ion-item>
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* <ion-label floating>Email</ion-label>
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* <ion-input type="email"></ion-input>
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* </ion-item>
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*
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* <ion-item>
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* <ion-label stacked>Phone</ion-label>
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* <ion-input type="tel"></ion-input>
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* </ion-item>
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*
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* <ion-item>
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* <ion-label>Toggle</ion-label>
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* <ion-toggle></ion-toggle>
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* </ion-item>
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*
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* <ion-item>
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* <ion-label>Checkbox</ion-label>
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* <ion-checkbox></ion-checkbox>
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* </ion-item>
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* ```
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*
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* @demo /docs/v2/demos/label/
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* @see {@link ../../../../components#inputs Input Component Docs}
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* @see {@link ../Input Input API Docs}
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*
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*/
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@Directive({
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selector: 'ion-label'
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})
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export class Label {
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private _id: string;
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/**
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* @private
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*/
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type: string;
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constructor(
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private _elementRef: ElementRef,
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private _renderer: Renderer,
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@Attribute('floating') isFloating: string,
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@Attribute('stacked') isStacked: string,
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@Attribute('fixed') isFixed: string,
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@Attribute('inset') isInset: string
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) {
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this.type = (isFloating === '' ? 'floating' : (isStacked === '' ? 'stacked' : (isFixed === '' ? 'fixed' : (isInset === '' ? 'inset' : null))));
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}
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/**
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* @private
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*/
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@Input()
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get id(): string {
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return this._id;
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}
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set id(val: string) {
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this._id = val;
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if (val) {
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this._renderer.setElementAttribute(this._elementRef.nativeElement, 'id', val);
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}
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}
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/**
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* @private
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*/
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get text(): string {
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return this._elementRef.nativeElement.textContent || '';
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}
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/**
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* @private
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* @param {string} add class name
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*/
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addClass(className: string) {
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this._renderer.setElementClass(this._elementRef.nativeElement, className, true);
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}
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}
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