carbon-components-angular
Version:
Next generation components
116 lines • 14.4 kB
JavaScript
import { Injectable } from "@angular/core";
import { CloseReasons } from "./dialog-config.interface";
import { tabbableSelector } from "carbon-components-angular/common";
import * as i0 from "@angular/core";
import * as i1 from "carbon-components-angular/placeholder";
/**
* `Dialog` object to be injected into other components.
*/
export class DialogService {
/**
* Creates an instance of `DialogService`.
*/
constructor(injector, placeholderService) {
this.injector = injector;
this.placeholderService = placeholderService;
}
/**
* Closes all known `Dialog`s. Does not focus any previous elements, since we can't know which would be correct
*/
static closeAll() {
DialogService.dialogRefs.forEach(ref => ref.instance.doClose({
reason: CloseReasons.programmatic
}));
DialogService.dialogRefs.clear();
}
/**
* If `dialogRef` is defined, the Dialog is already open. If
* `dialogRef` is undefined, we create the `Dialog` component and reference to it.
* A subscription is created to track if the `Dialog` should close.
*
* @param viewContainer a `ViewContainerRef` to instantiate the component against.
* May be `null` if an `cds-placeholder` exists and `dialogConfig.appendInline` is false
* @param dialogConfig the `DialogConfig` for the component
*/
open(viewContainer, dialogConfig, component) {
if (!component) {
return;
}
let dialogRef;
if (dialogConfig.appendInline) {
// add our component to the view
dialogRef = viewContainer.createComponent(component, { index: 0, injector: this.injector });
}
else if (!this.placeholderService.hasPlaceholderRef()) {
dialogRef = viewContainer.createComponent(component, { index: 0, injector: this.injector });
if (dialogRef) {
setTimeout(() => {
window.document.querySelector("body").appendChild(dialogRef.location.nativeElement);
});
}
}
else {
dialogRef = this.placeholderService.createComponent(component, this.injector);
}
// keep track of all initialized dialogs
DialogService.dialogRefs.add(dialogRef);
// initialize some extra options
dialogConfig["previouslyFocusedElement"] = document.activeElement;
dialogRef.instance.dialogConfig = dialogConfig;
dialogRef.instance.elementRef.nativeElement.focus();
return dialogRef;
}
/**
* On close of `Dialog` item, sets focus back to previous item, unsets
* the current `dialogRef` item. Unsubscribes to the event of `Dialog` close.
*
* @param dialogRef the dialogRef to close
*/
close(dialogRef) {
// to handle the case where we have a null `this.dialogRef`
if (!dialogRef) {
return;
}
const elementToFocus = dialogRef.instance.dialogConfig["previouslyFocusedElement"];
dialogRef.destroy();
// update the globally tracked dialogRefs
if (DialogService.dialogRefs.has(dialogRef)) {
DialogService.dialogRefs.delete(dialogRef);
}
// Keeps the focus on the dialog trigger if there are no focusable elements. Change focus to previously focused element
// if there are focusable elements in the dialog.
if (!dialogRef.location.nativeElement.querySelectorAll(tabbableSelector)) {
elementToFocus.focus();
}
}
/**
* Fix for safari hijacking clicks.
*
* Runs on `ngOnInit` of every dialog. Ensures we don't have multiple listeners
* because having many of them could degrade performance in certain cases (and is
* not necessary for our use case)
*
* This is an internally used function, can change at any point (even get removed)
* and changes to it won't be considered a breaking change. Use at your own risk.
*/
singletonClickListen() {
if (!DialogService.listeningForBodyClicks) {
document.body.firstElementChild.addEventListener("click", () => null, true);
DialogService.listeningForBodyClicks = true;
}
}
}
/**
* Used in `singletonClickListen`, don't count on its existence and values.
*/
DialogService.listeningForBodyClicks = false;
/**
* A set of all known dialog components
*/
DialogService.dialogRefs = new Set();
DialogService.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DialogService, deps: [{ token: i0.Injector }, { token: i1.PlaceholderService }], target: i0.ɵɵFactoryTarget.Injectable });
DialogService.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DialogService });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: DialogService, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i0.Injector }, { type: i1.PlaceholderService }]; } });
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"dialog.service.js","sourceRoot":"","sources":["../../../src/dialog/dialog.service.ts"],"names":[],"mappings":"AAAA,OAAO,EAGN,UAAU,EAEV,MAAM,eAAe,CAAC;AACvB,OAAO,EAAE,YAAY,EAAgB,MAAM,2BAA2B,CAAC;AAGvE,OAAO,EAAE,gBAAgB,EAAE,MAAM,kCAAkC,CAAC;;;AAEpE;;GAEG;AAEH,MAAM,OAAO,aAAa;IAqBzB;;OAEG;IACH,YAAsB,QAAkB,EAAY,kBAAsC;QAApE,aAAQ,GAAR,QAAQ,CAAU;QAAY,uBAAkB,GAAlB,kBAAkB,CAAoB;IAAG,CAAC;IAb9F;;OAEG;IACI,MAAM,CAAC,QAAQ;QACrB,aAAa,CAAC,UAAU,CAAC,OAAO,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,CAAC,QAAQ,CAAC,OAAO,CAAC;YAC5D,MAAM,EAAE,YAAY,CAAC,YAAY;SACjC,CAAC,CAAC,CAAC;QACJ,aAAa,CAAC,UAAU,CAAC,KAAK,EAAE,CAAC;IAClC,CAAC;IAOD;;;;;;;;OAQG;IACH,IAAI,CAAC,aAA+B,EAAE,YAA0B,EAAE,SAAc;QAC/E,IAAI,CAAC,SAAS,EAAE;YACf,OAAO;SACP;QAED,IAAI,SAAS,CAAC;QACd,IAAI,YAAY,CAAC,YAAY,EAAE;YAC9B,gCAAgC;YAChC,SAAS,GAAG,aAAa,CAAC,eAAe,CAAC,SAAS,EAAE,EAAE,KAAK,EAAE,CAAC,EAAE,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE,CAAC,CAAC;SAC5F;aAAM,IAAI,CAAC,IAAI,CAAC,kBAAkB,CAAC,iBAAiB,EAAE,EAAE;YACxD,SAAS,GAAG,aAAa,CAAC,eAAe,CAAC,SAAS,EAAE,EAAE,KAAK,EAAE,CAAC,EAAE,QAAQ,EAAE,IAAI,CAAC,QAAQ,EAAE,CAAC,CAAC;YAC5F,IAAI,SAAS,EAAE;gBACd,UAAU,CAAC,GAAG,EAAE;oBACf,MAAM,CAAC,QAAQ,CAAC,aAAa,CAAC,MAAM,CAAC,CAAC,WAAW,CAAC,SAAS,CAAC,QAAQ,CAAC,aAAa,CAAC,CAAC;gBACrF,CAAC,CAAC,CAAC;aACH;SACD;aAAM;YACN,SAAS,GAAG,IAAI,CAAC,kBAAkB,CAAC,eAAe,CAAC,SAAS,EAAE,IAAI,CAAC,QAAQ,CAAC,CAAC;SAC9E;QAED,wCAAwC;QACxC,aAAa,CAAC,UAAU,CAAC,GAAG,CAAC,SAAS,CAAC,CAAC;QAExC,gCAAgC;QAChC,YAAY,CAAC,0BAA0B,CAAC,GAAG,QAAQ,CAAC,aAAa,CAAC;QAClE,SAAS,CAAC,QAAQ,CAAC,YAAY,GAAG,YAAY,CAAC;QAE/C,SAAS,CAAC,QAAQ,CAAC,UAAU,CAAC,aAAa,CAAC,KAAK,EAAE,CAAC;QAEpD,OAAO,SAAiC,CAAC;IAC1C,CAAC;IAED;;;;;OAKG;IACH,KAAK,CAAC,SAA+B;QACpC,2DAA2D;QAC3D,IAAI,CAAC,SAAS,EAAE;YAAE,OAAO;SAAE;QAE3B,MAAM,cAAc,GAAG,SAAS,CAAC,QAAQ,CAAC,YAAY,CAAC,0BAA0B,CAAC,CAAC;QAEnF,SAAS,CAAC,OAAO,EAAE,CAAC;QAEpB,yCAAyC;QACzC,IAAI,aAAa,CAAC,UAAU,CAAC,GAAG,CAAC,SAAS,CAAC,EAAE;YAC5C,aAAa,CAAC,UAAU,CAAC,MAAM,CAAC,SAAS,CAAC,CAAC;SAC3C;QAED,uHAAuH;QACvH,iDAAiD;QACjD,IAAI,CAAC,SAAS,CAAC,QAAQ,CAAC,aAAa,CAAC,gBAAgB,CAAC,gBAAgB,CAAC,EAAE;YACzE,cAAc,CAAC,KAAK,EAAE,CAAC;SACvB;IACF,CAAC;IAED;;;;;;;;;OASG;IACH,oBAAoB;QACnB,IAAI,CAAC,aAAa,CAAC,sBAAsB,EAAE;YAC1C,QAAQ,CAAC,IAAI,CAAC,iBAAiB,CAAC,gBAAgB,CAAC,OAAO,EAAE,GAAG,EAAE,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC;YAC5E,aAAa,CAAC,sBAAsB,GAAG,IAAI,CAAC;SAC5C;IACF,CAAC;;AA3GD;;GAEG;AACc,oCAAsB,GAAG,KAAM,CAAA;AAEhD;;GAEG;AACc,wBAAU,GAAG,IAAI,GAAG,EAAyB,CAAA;0GATlD,aAAa;8GAAb,aAAa;2FAAb,aAAa;kBADzB,UAAU","sourcesContent":["import {\n\tInjector,\n\tComponentRef,\n\tInjectable,\n\tViewContainerRef\n} from \"@angular/core\";\nimport { CloseReasons, DialogConfig } from \"./dialog-config.interface\";\nimport { PlaceholderService } from \"carbon-components-angular/placeholder\";\nimport { Dialog } from \"./dialog.component\";\nimport { tabbableSelector } from \"carbon-components-angular/common\";\n\n/**\n * `Dialog` object to be injected into other components.\n */\n@Injectable()\nexport class DialogService {\n\t/**\n\t * Used in `singletonClickListen`, don't count on its existence and values.\n\t */\n\tprotected static listeningForBodyClicks = false;\n\n\t/**\n\t * A set of all known dialog components\n\t */\n\tprotected static dialogRefs = new Set<ComponentRef<Dialog>>();\n\n\t/**\n\t * Closes all known `Dialog`s. Does not focus any previous elements, since we can't know which would be correct\n\t */\n\tpublic static closeAll() {\n\t\tDialogService.dialogRefs.forEach(ref => ref.instance.doClose({\n\t\t\treason: CloseReasons.programmatic\n\t\t}));\n\t\tDialogService.dialogRefs.clear();\n\t}\n\n\t/**\n\t * Creates an instance of `DialogService`.\n\t */\n\tconstructor(protected injector: Injector, protected placeholderService: PlaceholderService) {}\n\n\t/**\n\t * If `dialogRef` is defined, the Dialog is already open. If\n\t * `dialogRef` is undefined, we create the `Dialog` component and reference to it.\n\t * A subscription is created to track if the `Dialog` should close.\n\t *\n\t * @param viewContainer a `ViewContainerRef` to instantiate the component against.\n\t * May be `null` if an `cds-placeholder` exists and `dialogConfig.appendInline` is false\n\t * @param dialogConfig the `DialogConfig` for the component\n\t */\n\topen(viewContainer: ViewContainerRef, dialogConfig: DialogConfig, component: any) {\n\t\tif (!component) {\n\t\t\treturn;\n\t\t}\n\n\t\tlet dialogRef;\n\t\tif (dialogConfig.appendInline) {\n\t\t\t// add our component to the view\n\t\t\tdialogRef = viewContainer.createComponent(component, { index: 0, injector: this.injector });\n\t\t} else if (!this.placeholderService.hasPlaceholderRef()) {\n\t\t\tdialogRef = viewContainer.createComponent(component, { index: 0, injector: this.injector });\n\t\t\tif (dialogRef) {\n\t\t\t\tsetTimeout(() => {\n\t\t\t\t\twindow.document.querySelector(\"body\").appendChild(dialogRef.location.nativeElement);\n\t\t\t\t});\n\t\t\t}\n\t\t} else {\n\t\t\tdialogRef = this.placeholderService.createComponent(component, this.injector);\n\t\t}\n\n\t\t// keep track of all initialized dialogs\n\t\tDialogService.dialogRefs.add(dialogRef);\n\n\t\t// initialize some extra options\n\t\tdialogConfig[\"previouslyFocusedElement\"] = document.activeElement;\n\t\tdialogRef.instance.dialogConfig = dialogConfig;\n\n\t\tdialogRef.instance.elementRef.nativeElement.focus();\n\n\t\treturn dialogRef as ComponentRef<Dialog>;\n\t}\n\n\t/**\n\t * On close of `Dialog` item, sets focus back to previous item, unsets\n\t * the current `dialogRef` item. Unsubscribes to the event of `Dialog` close.\n\t *\n\t * @param dialogRef the dialogRef to close\n\t */\n\tclose(dialogRef: ComponentRef<Dialog>) {\n\t\t// to handle the case where we have a null `this.dialogRef`\n\t\tif (!dialogRef) { return; }\n\n\t\tconst elementToFocus = dialogRef.instance.dialogConfig[\"previouslyFocusedElement\"];\n\n\t\tdialogRef.destroy();\n\n\t\t// update the globally tracked dialogRefs\n\t\tif (DialogService.dialogRefs.has(dialogRef)) {\n\t\t\tDialogService.dialogRefs.delete(dialogRef);\n\t\t}\n\n\t\t// Keeps the focus on the dialog trigger if there are no focusable elements. Change focus to previously focused element\n\t\t// if there are focusable elements in the dialog.\n\t\tif (!dialogRef.location.nativeElement.querySelectorAll(tabbableSelector)) {\n\t\t\telementToFocus.focus();\n\t\t}\n\t}\n\n\t/**\n\t * Fix for safari hijacking clicks.\n\t *\n\t * Runs on `ngOnInit` of every dialog. Ensures we don't have multiple listeners\n\t * because having many of them could degrade performance in certain cases (and is\n\t * not necessary for our use case)\n\t *\n\t * This is an internally used function, can change at any point (even get removed)\n\t * and changes to it won't be considered a breaking change. Use at your own risk.\n\t */\n\tsingletonClickListen() {\n\t\tif (!DialogService.listeningForBodyClicks) {\n\t\t\tdocument.body.firstElementChild.addEventListener(\"click\", () => null, true);\n\t\t\tDialogService.listeningForBodyClicks = true;\n\t\t}\n\t}\n}\n"]}