govuk-angular
Version:
Angular components port of govuk-frontend nunjucks macros.
148 lines (140 loc) • 15.8 kB
JavaScript
import { Component, EventEmitter, Input, Output } from '@angular/core';
import { emptyFieldSet, emptyLegend } from '../fieldset/fieldset';
import { emptyHint } from '../hint/hint';
import { emptyErrorMessage } from '../error/error-message.model';
import { each } from 'lodash';
import * as i0 from "@angular/core";
import * as i1 from "../fieldset/fieldset.component";
import * as i2 from "../hint/hint.component";
import * as i3 from "@angular/common";
import * as i4 from "@angular/forms";
/**
* Checkbox component based on the nunjucks template version
* https://design-system.service.gov.uk/components/checkboxes/
*
* ```javascript
* <govuk-checkboxes
* [id]="'waste'"
* [fieldset]="{ text: 'Which types of waste do you transport?', classes : 'govuk-fieldset__legend--l'}"
* [hint]="{text: 'Select all that apply'}"
* [model]="model.wasteOptions" >
* </govuk-checkboxes>
*
* checkOptions: CheckOptionItem[] = [
* { text: "Waste from animal carcasses", value: "animal", checked: false},
* { text: "Waste from mines or quarries", value: "quarries", checked: false},
* { text: "Farm or agricultural waste", value: "farm", checked: false },
* ];
*
* ```
*/
export class GovUKCheckBoxesComponent {
constructor(el) {
this.el = el;
this.radioMode = false;
this.hint = emptyHint();
/** { text: string; classes: string; } */
this.errorMessage = emptyErrorMessage();
this.modelChange = new EventEmitter();
this.fieldset = emptyFieldSet();
this.legend = emptyLegend();
}
/**
* Experimental mode :
* Radio mode will change the way that the checkboxes work.
* They will act more like a radio group where only one option
* can be selected from the list, with the extra option to check none
*/
onModelChange(id, index, choice) {
// eslint-disable-next-line @typescript-eslint/no-unused-expressions
choice.onChange ? choice.onChange(choice.checked) : null;
if (!this.radioMode) {
return;
}
const selected = '#' + id + '-' + index;
each(this.model, (x, i) => {
x.checked = false;
const boxId = '#' + id + '-' + i;
if (boxId !== selected) {
this.el.nativeElement.querySelector(boxId).checked = false;
}
else {
this.el.nativeElement.querySelector(boxId).checked = this.el.nativeElement.querySelector(boxId).checked;
x.checked = this.el.nativeElement.querySelector(boxId).checked;
}
});
this.modelChange.emit(this.model);
}
}
GovUKCheckBoxesComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: GovUKCheckBoxesComponent, deps: [{ token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Component });
GovUKCheckBoxesComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "13.0.2", type: GovUKCheckBoxesComponent, selector: "govuk-checkboxes", inputs: { id: "id", name: "name", classes: "classes", describeBy: "describeBy", radioMode: "radioMode", hint: "hint", errorMessage: "errorMessage", model: "model", fieldset: "fieldset", legend: "legend" }, outputs: { modelChange: "modelChange" }, ngImport: i0, template: `
<govuk-fieldset [id]="id" [fieldset]="fieldset" [legend]="legend" [hint]="hint" [errorMessage]="errorMessage">
<div class="govuk-checkboxes {{classes}}">
<div class="govuk-checkboxes__item" *ngFor="let choice of model; let i = index">
<input class="govuk-checkboxes__input"
[id]="id + '-' + i"
[name]="id + '-' + i"
[value]="choice.value"
[(ngModel)]="choice.checked"
(ngModelChange)="onModelChange(id, i, choice)"
type="checkbox"
[attr.aria-describedby]="describeBy">
<label class="govuk-label govuk-checkboxes__label"
[for]="id + '-' + i"
[attr.data-qa]="id + '-' + choice.value.toLowerCase() + '-' + i"> {{choice.text}}
</label>
<govuk-hint id="{{id}}-{{choice.value}}" [hint]="{text : choice.hint, classes: 'govuk-checkboxes__hint'}"></govuk-hint>
</div>
</div>
</govuk-fieldset>
`, isInline: true, components: [{ type: i1.GovUKFieldsetComponent, selector: "govuk-fieldset", inputs: ["id", "fieldset", "legend", "hint", "errorMessage"] }, { type: i2.GovUKHintComponent, selector: "govuk-hint", inputs: ["id", "hint"] }], directives: [{ type: i3.NgForOf, selector: "[ngFor][ngForOf]", inputs: ["ngForOf", "ngForTrackBy", "ngForTemplate"] }, { type: i4.CheckboxControlValueAccessor, selector: "input[type=checkbox][formControlName],input[type=checkbox][formControl],input[type=checkbox][ngModel]" }, { type: i4.NgControlStatus, selector: "[formControlName],[ngModel],[formControl]" }, { type: i4.NgModel, selector: "[ngModel]:not([formControlName]):not([formControl])", inputs: ["name", "disabled", "ngModel", "ngModelOptions"], outputs: ["ngModelChange"], exportAs: ["ngModel"] }] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "13.0.2", ngImport: i0, type: GovUKCheckBoxesComponent, decorators: [{
type: Component,
args: [{
selector: 'govuk-checkboxes',
template: `
<govuk-fieldset [id]="id" [fieldset]="fieldset" [legend]="legend" [hint]="hint" [errorMessage]="errorMessage">
<div class="govuk-checkboxes {{classes}}">
<div class="govuk-checkboxes__item" *ngFor="let choice of model; let i = index">
<input class="govuk-checkboxes__input"
[id]="id + '-' + i"
[name]="id + '-' + i"
[value]="choice.value"
[(ngModel)]="choice.checked"
(ngModelChange)="onModelChange(id, i, choice)"
type="checkbox"
[attr.aria-describedby]="describeBy">
<label class="govuk-label govuk-checkboxes__label"
[for]="id + '-' + i"
[attr.data-qa]="id + '-' + choice.value.toLowerCase() + '-' + i"> {{choice.text}}
</label>
<govuk-hint id="{{id}}-{{choice.value}}" [hint]="{text : choice.hint, classes: 'govuk-checkboxes__hint'}"></govuk-hint>
</div>
</div>
</govuk-fieldset>
`
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }]; }, propDecorators: { id: [{
type: Input
}], name: [{
type: Input
}], classes: [{
type: Input
}], describeBy: [{
type: Input
}], radioMode: [{
type: Input
}], hint: [{
type: Input
}], errorMessage: [{
type: Input
}], model: [{
type: Input
}], modelChange: [{
type: Output
}], fieldset: [{
type: Input
}], legend: [{
type: Input
}] } });
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let i = index\">\n      <input class=\"govuk-checkboxes__input\"\n              [id]=\"id + '-' + i\"\n              [name]=\"id + '-' + i\"\n              [value]=\"choice.value\"\n              [(ngModel)]=\"choice.checked\"\n              (ngModelChange)=\"onModelChange(id, i, choice)\"\n              type=\"checkbox\"\n              [attr.aria-describedby]=\"describeBy\">\n\n      <label class=\"govuk-label govuk-checkboxes__label\"\n             [for]=\"id + '-' + i\"\n             [attr.data-qa]=\"id + '-' + choice.value.toLowerCase() + '-' + i\"> {{choice.text}}\n      </label>\n\n      <govuk-hint id=\"{{id}}-{{choice.value}}\" [hint]=\"{text : choice.hint, classes: 'govuk-checkboxes__hint'}\"></govuk-hint>\n    </div>\n  </div>\n\n</govuk-fieldset>\n`\n})\nexport class GovUKCheckBoxesComponent implements GovUKDataCapture<CheckOptionItem []> {\n  @Input() id: string;\n  @Input() name: string;\n  @Input() classes: string;\n  @Input() describeBy?: string;\n  @Input() radioMode = false;\n\n  @Input() hint: Hint = emptyHint();\n\n  /** { text: string; classes: string; } */\n  @Input() errorMessage: ErrorMessage = emptyErrorMessage();\n\n  /**\n   * ```javascript\n   *\n   * interface CheckOptionItem {\n   *  text: string;\n   *  value: any;\n   *  checked?: boolean;\n   *  hint?: string | Hint;\n   *  textDivider?: string;\n   * }\n   *\n   * wasteOptions: CheckOptionItem[] = [\n   *   { text: \"Waste from animal carcasses\", value: \"animal\", checked: false},\n   *   { text: \"Waste from mines or quarries\", value: \"quarries\", checked: false},\n   *   { text: \"Farm or agricultural waste\", value: \"farm\", checked: false },\n   * ];\n   * ```\n   */\n  @Input() model: CheckOptionItem[];\n\n  @Output() modelChange = new EventEmitter<any>();\n\n  @Input() fieldset: Fieldset = emptyFieldSet();\n  @Input() legend: Legend = emptyLegend();\n\n  constructor(public el: ElementRef) { }\n\n  /**\n   * Experimental mode :\n   * Radio mode will change the way that the checkboxes work.\n   * They will act more like a radio group where only one option\n   * can be selected from the list, with the extra option to check none\n   */\n  onModelChange(id: any, index: any, choice: CheckOptionItem){\n    // eslint-disable-next-line @typescript-eslint/no-unused-expressions\n    choice.onChange ? choice.onChange(choice.checked) : null;\n\n    if (!this.radioMode) {\n      return;\n    }\n\n    const selected = '#' + id + '-' + index;\n\n    each(this.model, (x,i) => {\n      x.checked = false;\n      const boxId = '#' + id + '-' + i;\n      if (boxId !== selected) {\n        this.el.nativeElement.querySelector(boxId).checked = false;\n      } else {\n        this.el.nativeElement.querySelector(boxId).checked = this.el.nativeElement.querySelector(boxId).checked;\n        x.checked = this.el.nativeElement.querySelector(boxId).checked;\n      }\n    });\n\n    this.modelChange.emit(this.model);\n  }\n}\n\n"]}