78 lines
2.5 KiB
TypeScript
78 lines
2.5 KiB
TypeScript
import { Component, Output, Input, EventEmitter } from 'ng-metadata/core';
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import { LinearWorkflowSectionComponent } from './linear-workflow-section.component';
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/**
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* A component that which displays a linear workflow of sections, each completed in order before the next
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* step is made visible.
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*/
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@Component({
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selector: 'linear-workflow',
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templateUrl: '/static/js/directives/ui/linear-workflow/linear-workflow.component.html',
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legacy: {
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transclude: true
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}
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})
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export class LinearWorkflowComponent {
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@Input('@') public doneTitle: string;
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@Output() public onWorkflowComplete: EventEmitter<any> = new EventEmitter();
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private sections: SectionInfo[] = [];
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private currentSection: SectionInfo;
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public addSection(component: LinearWorkflowSectionComponent): void {
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this.sections.push({
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index: this.sections.length,
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component: component,
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});
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if (this.sections.length > 0 && !this.currentSection) {
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this.setNextSection(0);
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}
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}
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public onNextSection(): void {
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if (this.currentSection.component.sectionValid && this.currentSection.index + 1 >= this.sections.length) {
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this.onWorkflowComplete.emit({});
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}
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else if (this.currentSection.component.sectionValid && this.currentSection.index + 1 < this.sections.length) {
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this.currentSection.component.isCurrentSection = false;
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this.setNextSection(this.currentSection.index + 1);
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}
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}
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public onSectionInvalid(sectionId: string): void {
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var invalidSection = this.sections.filter(section => section.component.sectionId == sectionId)[0];
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if (invalidSection.index <= this.currentSection.index) {
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invalidSection.component.isCurrentSection = true;
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this.currentSection = invalidSection;
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this.sections.forEach((section) => {
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if (section.index > invalidSection.index) {
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section.component.sectionVisible = false;
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section.component.isCurrentSection = false;
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}
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});
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}
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}
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private setNextSection(startingIndex: number = 0): void {
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// Find the next section that is not set to be skipped
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this.currentSection = this.sections.slice(startingIndex)
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.filter(section => !section.component.skipSection)[0];
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if (this.currentSection) {
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this.currentSection.component.sectionVisible = true;
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this.currentSection.component.isCurrentSection = true;
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}
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}
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}
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/**
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* A type representing a section of the linear workflow.
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*/
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export type SectionInfo = {
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index: number;
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component: LinearWorkflowSectionComponent;
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};
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