carbon-components-angular
Version:
Next generation components
156 lines • 15.2 kB
JavaScript
import { Component, Input, Output, EventEmitter, HostBinding, ContentChildren, TemplateRef } from "@angular/core";
import { SelectionTile } from "./selection-tile.component";
import { NG_VALUE_ACCESSOR } from "@angular/forms";
import { Subject } from "rxjs";
import { takeUntil } from "rxjs/operators";
import * as i0 from "@angular/core";
import * as i1 from "@angular/common";
/**
* Get started with importing the module:
*
* ```typescript
* import { TilesModule } from 'carbon-components-angular';
* ```
*
* [See demo](../../?path=/story/components-tiles-grouped--selectable)
*/
export class TileGroup {
constructor() {
/**
* The tile group `name`
*/
this.name = `tile-group-${TileGroup.tileGroupCount}`;
/**
* Set to `true` to support multiple tile selection
*/
this.multiple = false;
/**
* Emits an event when the tile selection changes.
*
* Emits an object that looks like:
* ```javascript
* {
* value: "something",
* selected: true,
* name: "tile-group-1"
* }
* ```
*/
this.selected = new EventEmitter();
this.tileGroupClass = true;
this.unsubscribe$ = new Subject();
this.unsubscribeTiles$ = new Subject();
this.onChange = (_) => { };
this.onTouched = () => { };
TileGroup.tileGroupCount++;
}
ngAfterContentInit() {
const updateTiles = () => {
// remove old subscriptions
this.unsubscribeTiles$.next();
// react to changes
// setTimeout to avoid ExpressionChangedAfterItHasBeenCheckedError
setTimeout(() => {
this.selectionTiles.forEach(tile => {
tile.name = this.name;
tile.change
.pipe(takeUntil(this.unsubscribeTiles$))
.subscribe(() => {
this.selected.emit({
value: tile.value,
selected: tile.selected,
name: this.name
});
this.onChange(tile.value);
});
tile.multiple = this.multiple;
});
});
};
updateTiles();
this.selectionTiles.changes
.pipe(takeUntil(this.unsubscribe$))
.subscribe(_ => updateTiles());
}
ngOnDestroy() {
this.unsubscribe$.next();
this.unsubscribe$.complete();
// takes care of tile subscriptions when tile-group dies
this.unsubscribeTiles$.next();
this.unsubscribeTiles$.complete();
}
writeValue(value) {
if (!this.selectionTiles) {
return;
}
this.selectionTiles.forEach(tile => {
if (tile.value === value) {
tile.selected = true;
}
else {
tile.selected = false;
}
});
}
registerOnChange(fn) {
this.onChange = fn;
}
registerOnTouched(fn) {
this.onTouched = fn;
}
isTemplate(value) {
return value instanceof TemplateRef;
}
}
TileGroup.tileGroupCount = 0;
TileGroup.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TileGroup, deps: [], target: i0.ɵɵFactoryTarget.Component });
TileGroup.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "14.3.0", type: TileGroup, selector: "cds-tile-group, ibm-tile-group", inputs: { name: "name", multiple: "multiple", legend: "legend" }, outputs: { selected: "selected" }, host: { properties: { "class.cds--tile-group": "this.tileGroupClass" } }, providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: TileGroup,
multi: true
}
], queries: [{ propertyName: "selectionTiles", predicate: SelectionTile }], ngImport: i0, template: `
<fieldset>
<legend *ngIf="legend" class="cds--label">
<ng-template *ngIf="isTemplate(legend); else legendLabel;" [ngTemplateOutlet]="legend"></ng-template>
<ng-template #legendLabel>{{legend}}</ng-template>
</legend>
<ng-content select="ibm-selection-tile,cds-selection-tile"></ng-content>
</fieldset>`, isInline: true, dependencies: [{ kind: "directive", type: i1.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i1.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: TileGroup, decorators: [{
type: Component,
args: [{
selector: "cds-tile-group, ibm-tile-group",
template: `
<fieldset>
<legend *ngIf="legend" class="cds--label">
<ng-template *ngIf="isTemplate(legend); else legendLabel;" [ngTemplateOutlet]="legend"></ng-template>
<ng-template #legendLabel>{{legend}}</ng-template>
</legend>
<ng-content select="ibm-selection-tile,cds-selection-tile"></ng-content>
</fieldset>`,
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: TileGroup,
multi: true
}
]
}]
}], ctorParameters: function () { return []; }, propDecorators: { name: [{
type: Input
}], multiple: [{
type: Input
}], legend: [{
type: Input
}], selected: [{
type: Output
}], tileGroupClass: [{
type: HostBinding,
args: ["class.cds--tile-group"]
}], selectionTiles: [{
type: ContentChildren,
args: [SelectionTile]
}] } });
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else legendLabel;\" [ngTemplateOutlet]=\"legend\"></ng-template>\n\t\t\t\t<ng-template #legendLabel>{{legend}}</ng-template>\n\t\t\t</legend>\n\t\t\t<ng-content select=\"ibm-selection-tile,cds-selection-tile\"></ng-content>\n\t\t</fieldset>`,\n\tproviders: [\n\t\t{\n\t\t\tprovide: NG_VALUE_ACCESSOR,\n\t\t\tuseExisting: TileGroup,\n\t\t\tmulti: true\n\t\t}\n\t]\n})\nexport class TileGroup implements AfterContentInit, OnDestroy {\n\tstatic tileGroupCount = 0;\n\t/**\n\t * The tile group `name`\n\t */\n\t@Input() name = `tile-group-${TileGroup.tileGroupCount}`;\n\t/**\n\t * Set to `true` to support multiple tile selection\n\t */\n\t@Input() multiple = false;\n\n\t@Input() legend: string | TemplateRef<any>;\n\n\t/**\n\t * Emits an event when the tile selection changes.\n\t *\n\t * Emits an object that looks like:\n\t * ```javascript\n\t * {\n\t * \tvalue: \"something\",\n\t * \tselected: true,\n\t * \tname: \"tile-group-1\"\n\t * }\n\t * ```\n\t */\n\t@Output() selected: EventEmitter<TileSelection> = new EventEmitter();\n\n\t@HostBinding(\"class.cds--tile-group\") tileGroupClass = true;\n\n\t@ContentChildren(SelectionTile) selectionTiles: QueryList<SelectionTile>;\n\n\tprotected unsubscribe$ = new Subject<void>();\n\tprotected unsubscribeTiles$ = new Subject<void>();\n\n\tconstructor() {\n\t\tTileGroup.tileGroupCount++;\n\t}\n\n\tonChange = (_: any) => { };\n\n\tonTouched = () => { };\n\n\tngAfterContentInit() {\n\t\tconst updateTiles = () => {\n\t\t\t// remove old subscriptions\n\t\t\tthis.unsubscribeTiles$.next();\n\n\t\t\t// react to changes\n\t\t\t// setTimeout to avoid ExpressionChangedAfterItHasBeenCheckedError\n\t\t\tsetTimeout(() => {\n\t\t\t\tthis.selectionTiles.forEach(tile => {\n\t\t\t\t\ttile.name = this.name;\n\t\t\t\t\ttile.change\n\t\t\t\t\t\t.pipe(takeUntil(this.unsubscribeTiles$))\n\t\t\t\t\t\t.subscribe(() => {\n\t\t\t\t\t\t\tthis.selected.emit({\n\t\t\t\t\t\t\t\tvalue: tile.value,\n\t\t\t\t\t\t\t\tselected: tile.selected,\n\t\t\t\t\t\t\t\tname: this.name\n\t\t\t\t\t\t\t});\n\t\t\t\t\t\t\tthis.onChange(tile.value);\n\t\t\t\t\t\t});\n\t\t\t\t\ttile.multiple = this.multiple;\n\t\t\t\t});\n\t\t\t});\n\t\t};\n\t\tupdateTiles();\n\n\t\tthis.selectionTiles.changes\n\t\t\t.pipe(takeUntil(this.unsubscribe$))\n\t\t\t.subscribe(_ => updateTiles());\n\t}\n\n\tngOnDestroy() {\n\t\tthis.unsubscribe$.next();\n\t\tthis.unsubscribe$.complete();\n\n\t\t// takes care of tile subscriptions when tile-group dies\n\t\tthis.unsubscribeTiles$.next();\n\t\tthis.unsubscribeTiles$.complete();\n\t}\n\n\twriteValue(value: any) {\n\t\tif (!this.selectionTiles) { return; }\n\t\tthis.selectionTiles.forEach(tile => {\n\t\t\tif (tile.value === value) {\n\t\t\t\ttile.selected = true;\n\t\t\t} else {\n\t\t\t\ttile.selected = false;\n\t\t\t}\n\t\t});\n\t}\n\n\tregisterOnChange(fn: any) {\n\t\tthis.onChange = fn;\n\t}\n\n\tregisterOnTouched(fn: any) {\n\t\tthis.onTouched = fn;\n\t}\n\n\tpublic isTemplate(value) {\n\t\treturn value instanceof TemplateRef;\n\t}\n}\n"]}