angular2-ladda
Version:
Angular Ladda module
98 lines • 12.3 kB
JavaScript
import { isPlatformBrowser } from '@angular/common';
import { Directive, Input, Optional, Inject, PLATFORM_ID } from '@angular/core';
import { create as createLadda } from 'ladda';
import { LaddaConfig } from './ladda-config';
import * as i0 from "@angular/core";
import * as i1 from "./ladda-config";
export class LaddaDirective {
constructor(el, config, platformId) {
this.platformId = platformId;
this.ladda = undefined;
this.disabled = false;
this.el = el.nativeElement;
if (!config) {
return;
}
if (config.style && !this.el.getAttribute('data-style')) {
this.el.setAttribute('data-style', config.style);
}
if (config.spinnerSize && !this.el.getAttribute('data-spinner-size')) {
this.el.setAttribute('data-spinner-size', config.spinnerSize.toString());
}
if (config.spinnerColor && !this.el.getAttribute('data-spinner-color')) {
this.el.setAttribute('data-spinner-color', config.spinnerColor);
}
if (config.spinnerLines && !this.el.getAttribute('data-spinner-lines')) {
this.el.setAttribute('data-spinner-lines', config.spinnerLines.toString());
}
}
ngOnChanges(changes) {
if (!this.ladda) {
return; // needed since ngOnChanges is called before ngOnInit
}
if (changes.loading) {
this.updateLadda(changes.loading.previousValue);
}
if (changes.disabled) {
this.updateDisabled();
}
}
ngOnInit() {
if (!isPlatformBrowser(this.platformId)) {
return;
}
this.ladda = createLadda(this.el);
// if the initial loading value isn't false, a timeout of 0 ms
// is necessary for the calculated spinner size to be correct.
setTimeout(() => { this.updateLadda(false); }, 0);
}
ngOnDestroy() {
if (this.ladda) {
this.ladda.remove();
}
}
updateLadda(previousValue) {
if (!this.ladda) {
return;
}
let loading = typeof this.loading === 'number' || !!this.loading;
let wasLoading = typeof previousValue === 'number' || !!previousValue;
if (!loading) {
if (wasLoading) {
this.ladda.stop();
}
return this.updateDisabled();
}
if (!wasLoading) {
this.ladda.start();
}
if (typeof this.loading === 'number') {
this.ladda.setProgress(this.loading);
}
}
updateDisabled() {
this.el.disabled = this.disabled;
}
}
LaddaDirective.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.0.4", ngImport: i0, type: LaddaDirective, deps: [{ token: i0.ElementRef }, { token: LaddaConfig, optional: true }, { token: PLATFORM_ID }], target: i0.ɵɵFactoryTarget.Directive });
LaddaDirective.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.0.4", type: LaddaDirective, selector: "[ladda]", inputs: { loading: ["ladda", "loading"], disabled: "disabled" }, usesOnChanges: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.0.4", ngImport: i0, type: LaddaDirective, decorators: [{
type: Directive,
args: [{
selector: '[ladda]',
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.LaddaConfigArgs, decorators: [{
type: Inject,
args: [LaddaConfig]
}, {
type: Optional
}] }, { type: Object, decorators: [{
type: Inject,
args: [PLATFORM_ID]
}] }]; }, propDecorators: { loading: [{
type: Input,
args: ['ladda']
}], disabled: [{
type: Input
}] } });
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// needed since ngOnChanges is called before ngOnInit\r\n        }\r\n\r\n        if (changes.loading) {\r\n            this.updateLadda(changes.loading.previousValue);\r\n        }\r\n\r\n        if (changes.disabled) {\r\n            this.updateDisabled();\r\n        }\r\n    }\r\n\r\n    ngOnInit() {\r\n        if (!isPlatformBrowser(this.platformId)) {\r\n            return;\r\n        }\r\n\r\n        this.ladda = createLadda(this.el);\r\n\r\n        // if the initial loading value isn't false, a timeout of 0 ms\r\n        // is necessary for the calculated spinner size to be correct.\r\n        setTimeout(() => {this.updateLadda(false);}, 0);\r\n    }\r\n\r\n    ngOnDestroy() {\r\n        if (this.ladda) {\r\n            this.ladda.remove();\r\n        }\r\n    }\r\n\r\n    private updateLadda(previousValue: LaddaValue): void {\r\n        if (!this.ladda) {\r\n            return;\r\n        }\r\n\r\n        let loading: boolean = typeof this.loading === 'number' || !!this.loading;\r\n        let wasLoading: boolean = typeof previousValue === 'number' || !!previousValue;\r\n\r\n        if (!loading) {\r\n            if (wasLoading) {\r\n                this.ladda.stop();\r\n            }\r\n\r\n            return this.updateDisabled();\r\n        }\r\n\r\n        if (!wasLoading) {\r\n            this.ladda.start();\r\n        }\r\n\r\n        if (typeof this.loading === 'number') {\r\n            this.ladda.setProgress(this.loading);\r\n        }\r\n    }\r\n\r\n    private updateDisabled(): void {\r\n        this.el.disabled = this.disabled;\r\n    }\r\n}\r\n"]}