carbon-components-angular
Version:
Next generation components
165 lines • 19.9 kB
JavaScript
import { Component, HostListener, Optional } from "@angular/core";
import { Dialog } from "../dialog.component";
import { position } from "@carbon/utils-position";
import { isFocusInLastItem, isFocusInFirstItem } from "carbon-components-angular/common";
import { CloseReasons } from "../dialog-config.interface";
import { closestAttr } from "carbon-components-angular/utils";
import * as i0 from "@angular/core";
import * as i1 from "carbon-components-angular/i18n";
import * as i2 from "carbon-components-angular/experimental";
import * as i3 from "carbon-components-angular/utils";
import * as i4 from "@angular/common";
/**
* Extend the `Dialog` component to create an overflow menu.
*
* Not used directly. See overflow-menu.component and overflow-menu.directive for more
*/
export class OverflowMenuPane extends Dialog {
constructor(elementRef, i18n, experimental, animationFrameService = null,
// mark `elementService` as optional since making it mandatory would be a breaking change
elementService = null) {
super(elementRef, elementService, animationFrameService);
this.elementRef = elementRef;
this.i18n = i18n;
this.experimental = experimental;
this.animationFrameService = animationFrameService;
this.elementService = elementService;
}
onDialogInit() {
const positionOverflowMenu = pos => {
let offset;
/*
* 20 is half the width of the overflow menu trigger element.
* we also move the element by half of it's own width, since
* position service will try and center everything
*/
const closestRel = closestAttr("position", ["relative", "fixed", "absolute"], this.elementRef.nativeElement);
const topFix = closestRel ? closestRel.getBoundingClientRect().top * -1 : 0;
const leftFix = closestRel ? closestRel.getBoundingClientRect().left * -1 : 0;
offset = Math.round(this.dialog.nativeElement.offsetWidth / 2) - 20;
if (this.dialogConfig.flip) {
return position.addOffset(pos, topFix, (-offset + leftFix));
}
return position.addOffset(pos, topFix, (offset + leftFix));
};
this.addGap["bottom"] = positionOverflowMenu;
this.addGap["top"] = positionOverflowMenu;
if (!this.dialogConfig.menuLabel) {
this.dialogConfig.menuLabel = this.i18n.get().OVERFLOW_MENU.OVERFLOW;
}
}
hostkeys(event) {
const listItems = this.listItems();
switch (event.key) {
case "ArrowDown":
event.preventDefault();
if (!isFocusInLastItem(event, listItems)) {
const index = listItems.findIndex(item => item === event.target);
listItems[index + 1].focus();
}
else {
listItems[0].focus();
}
break;
case "ArrowUp":
event.preventDefault();
if (!isFocusInFirstItem(event, listItems)) {
const index = listItems.findIndex(item => item === event.target);
listItems[index - 1].focus();
}
else {
listItems[listItems.length - 1].focus();
}
break;
case "Home":
event.preventDefault();
listItems[0].focus();
break;
case "End":
event.preventDefault();
listItems[listItems.length - 1].focus();
break;
case "Escape":
case "Tab":
event.stopImmediatePropagation();
this.doClose({
reason: CloseReasons.interaction,
target: event.target
});
break;
default: break;
}
}
onClose(event) {
this.doClose({
reason: CloseReasons.interaction,
target: event.target
});
}
afterDialogViewInit() {
const focusElementList = this.listItems();
focusElementList.forEach(button => {
// Allows user to set tabindex to 0.
if (button.getAttribute("tabindex") === null) {
button.tabIndex = -1;
}
});
if (focusElementList[0]) {
focusElementList[0].tabIndex = 0;
focusElementList[0].focus();
}
}
listItems() {
const selector = ".cds--overflow-menu-options__option:not([disabled]) .cds--overflow-menu-options__btn";
return Array.from(this.elementRef.nativeElement.querySelectorAll(selector));
}
}
OverflowMenuPane.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: OverflowMenuPane, deps: [{ token: i0.ElementRef }, { token: i1.I18n }, { token: i2.ExperimentalService }, { token: i3.AnimationFrameService, optional: true }, { token: i3.ElementService, optional: true }], target: i0.ɵɵFactoryTarget.Component });
OverflowMenuPane.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "14.3.0", type: OverflowMenuPane, selector: "cds-overflow-menu-pane, ibm-overflow-menu-pane", host: { listeners: { "keydown": "hostkeys($event)" } }, usesInheritance: true, ngImport: i0, template: `
<ul
[attr.id]="dialogConfig.compID"
[attr.aria-label]="dialogConfig.menuLabel"
[attr.data-floating-menu-direction]="placement ? placement : null"
[ngClass]="{'cds--overflow-menu--flip': dialogConfig.flip}"
role="menu"
#dialog
class="cds--overflow-menu-options cds--overflow-menu-options--open"
(click)="onClose($event)"
[attr.aria-label]="dialogConfig.menuLabel">
<ng-template
[ngTemplateOutlet]="dialogConfig.content"
[ngTemplateOutletContext]="{overflowMenu: this}">
</ng-template>
</ul>
`, isInline: true, dependencies: [{ kind: "directive", type: i4.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i4.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: OverflowMenuPane, decorators: [{
type: Component,
args: [{
selector: "cds-overflow-menu-pane, ibm-overflow-menu-pane",
template: `
<ul
[attr.id]="dialogConfig.compID"
[attr.aria-label]="dialogConfig.menuLabel"
[attr.data-floating-menu-direction]="placement ? placement : null"
[ngClass]="{'cds--overflow-menu--flip': dialogConfig.flip}"
role="menu"
#dialog
class="cds--overflow-menu-options cds--overflow-menu-options--open"
(click)="onClose($event)"
[attr.aria-label]="dialogConfig.menuLabel">
<ng-template
[ngTemplateOutlet]="dialogConfig.content"
[ngTemplateOutletContext]="{overflowMenu: this}">
</ng-template>
</ul>
`
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i1.I18n }, { type: i2.ExperimentalService }, { type: i3.AnimationFrameService, decorators: [{
type: Optional
}] }, { type: i3.ElementService, decorators: [{
type: Optional
}] }]; }, propDecorators: { hostkeys: [{
type: HostListener,
args: ["keydown", ["$event"]]
}] } });
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See overflow-menu.component and overflow-menu.directive for more\n */\n@Component({\n\tselector: \"cds-overflow-menu-pane, ibm-overflow-menu-pane\",\n\ttemplate: `\n\t\t<ul\n\t\t\t[attr.id]=\"dialogConfig.compID\"\n\t\t\t[attr.aria-label]=\"dialogConfig.menuLabel\"\n\t\t\t[attr.data-floating-menu-direction]=\"placement ? placement : null\"\n\t\t\t[ngClass]=\"{'cds--overflow-menu--flip': dialogConfig.flip}\"\n\t\t\trole=\"menu\"\n\t\t\t#dialog\n\t\t\tclass=\"cds--overflow-menu-options cds--overflow-menu-options--open\"\n\t\t\t(click)=\"onClose($event)\"\n\t\t\t[attr.aria-label]=\"dialogConfig.menuLabel\">\n\t\t\t<ng-template\n\t\t\t\t[ngTemplateOutlet]=\"dialogConfig.content\"\n\t\t\t\t[ngTemplateOutletContext]=\"{overflowMenu: this}\">\n\t\t\t</ng-template>\n\t\t</ul>\n\t`\n})\nexport class OverflowMenuPane extends Dialog implements AfterViewInit {\n\tconstructor(\n\t\tprotected elementRef: ElementRef,\n\t\tprotected i18n: I18n,\n\t\tprotected experimental: ExperimentalService,\n\t\t@Optional() protected animationFrameService: AnimationFrameService = null,\n\t\t// mark `elementService` as optional since making it mandatory would be a breaking change\n\t\t@Optional() protected elementService: ElementService = null) {\n\t\tsuper(elementRef, elementService, animationFrameService);\n\t}\n\n\tonDialogInit() {\n\t\tconst positionOverflowMenu = pos => {\n\t\t\tlet offset;\n\t\t\t/*\n\t\t\t* 20 is half the width of the overflow menu trigger element.\n\t\t\t* we also move the element by half of it's own width, since\n\t\t\t* position service will try and center everything\n\t\t\t*/\n\t\t\tconst closestRel = closestAttr(\"position\", [\"relative\", \"fixed\", \"absolute\"], this.elementRef.nativeElement);\n\t\t\tconst topFix = closestRel ? closestRel.getBoundingClientRect().top * -1 : 0;\n\t\t\tconst leftFix = closestRel ? closestRel.getBoundingClientRect().left * -1 : 0;\n\n\t\t\toffset = Math.round(this.dialog.nativeElement.offsetWidth / 2) - 20;\n\t\t\tif (this.dialogConfig.flip) {\n\t\t\t\treturn position.addOffset(pos, topFix, (-offset + leftFix));\n\t\t\t}\n\t\t\treturn position.addOffset(pos, topFix, (offset + leftFix));\n\t\t};\n\n\t\tthis.addGap[\"bottom\"] = positionOverflowMenu;\n\n\t\tthis.addGap[\"top\"] = positionOverflowMenu;\n\n\t\tif (!this.dialogConfig.menuLabel) {\n\t\t\tthis.dialogConfig.menuLabel = this.i18n.get().OVERFLOW_MENU.OVERFLOW;\n\t\t}\n\t}\n\n\t@HostListener(\"keydown\", [\"$event\"])\n\thostkeys(event: KeyboardEvent) {\n\t\tconst listItems = this.listItems();\n\n\t\tswitch (event.key) {\n\t\t\tcase \"ArrowDown\":\n\t\t\t\tevent.preventDefault();\n\t\t\t\tif (!isFocusInLastItem(event, listItems))  {\n\t\t\t\t\tconst index = listItems.findIndex(item => item === event.target);\n\t\t\t\t\tlistItems[index + 1].focus();\n\t\t\t\t} else {\n\t\t\t\t\tlistItems[0].focus();\n\t\t\t\t}\n\t\t\t\tbreak;\n\n\t\t\tcase \"ArrowUp\":\n\t\t\t\tevent.preventDefault();\n\t\t\t\tif (!isFocusInFirstItem(event, listItems))  {\n\t\t\t\t\tconst index = listItems.findIndex(item => item === event.target);\n\t\t\t\t\tlistItems[index - 1].focus();\n\t\t\t\t} else {\n\t\t\t\t\tlistItems[listItems.length - 1].focus();\n\t\t\t\t}\n\t\t\t\tbreak;\n\n\t\t\tcase \"Home\":\n\t\t\t\tevent.preventDefault();\n\t\t\t\tlistItems[0].focus();\n\t\t\t\tbreak;\n\n\t\t\tcase \"End\":\n\t\t\t\tevent.preventDefault();\n\t\t\t\tlistItems[listItems.length - 1].focus();\n\t\t\t\tbreak;\n\n\t\t\tcase \"Escape\":\n\t\t\tcase \"Tab\":\n\t\t\t\tevent.stopImmediatePropagation();\n\t\t\t\tthis.doClose({\n\t\t\t\t\treason: CloseReasons.interaction,\n\t\t\t\t\ttarget: event.target\n\t\t\t\t});\n\t\t\t\tbreak;\n\t\t\tdefault: break;\n\t\t}\n\t}\n\n\tonClose(event) {\n\t\tthis.doClose({\n\t\t\treason: CloseReasons.interaction,\n\t\t\ttarget: event.target\n\t\t});\n\t}\n\n\tafterDialogViewInit() {\n\t\tconst focusElementList = this.listItems();\n\t\tfocusElementList.forEach(button => {\n\t\t\t// Allows user to set tabindex to 0.\n\t\t\tif (button.getAttribute(\"tabindex\") === null) {\n\t\t\t\tbutton.tabIndex = -1;\n\t\t\t}\n\t\t});\n\t\tif (focusElementList[0]) {\n\t\t\tfocusElementList[0].tabIndex = 0;\n\t\t\tfocusElementList[0].focus();\n\t\t}\n\t}\n\n\tprotected listItems() {\n\t\tconst selector = \".cds--overflow-menu-options__option:not([disabled]) .cds--overflow-menu-options__btn\";\n\t\treturn Array.from<HTMLElement>(this.elementRef.nativeElement.querySelectorAll(selector));\n\t}\n}\n"]}