@esri/calcite-components
Version:
Web Components for Esri's Calcite Design System.
347 lines (346 loc) • 11.6 kB
JavaScript
/*!
* All material copyright ESRI, All Rights Reserved, unless otherwise specified.
* See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
* v1.5.0-next.4
*/
import { h, Host } from "@stencil/core";
import { connectConditionalSlotComponent, disconnectConditionalSlotComponent } from "../../utils/conditionalSlot";
import { closestElementCrossShadowBoundary, getElementDir, getElementProp, getSlotted, toAriaBoolean } from "../../utils/dom";
import { CSS_UTILITY } from "../../utils/resources";
import { SLOTS, CSS } from "./resources";
/**
* @slot - A slot for adding custom content, including nested `calcite-accordion-item`s.
* @slot actions-end - A slot for adding `calcite-action`s or content to the end side of the component's header.
* @slot actions-start - A slot for adding `calcite-action`s or content to the start side of the component's header.
*/
export class AccordionItem {
constructor() {
/** what icon position does the parent accordion specify */
this.iconPosition = "end";
/** handle clicks on item header */
this.itemHeaderClickHandler = () => this.emitRequestedItem();
/** Specifies the scale of the `accordion-item` controlled by the parent, defaults to m */
this.scale = "m";
this.expanded = false;
this.heading = undefined;
this.description = undefined;
this.iconStart = undefined;
this.iconEnd = undefined;
this.iconFlipRtl = undefined;
}
//--------------------------------------------------------------------------
//
// Lifecycle
//
//--------------------------------------------------------------------------
connectedCallback() {
this.parent = this.el.parentElement;
this.iconType = getElementProp(this.el, "icon-type", "chevron");
this.iconPosition = getElementProp(this.el, "icon-position", this.iconPosition);
this.scale = getElementProp(this.el, "scale", this.scale);
connectConditionalSlotComponent(this);
}
componentDidLoad() {
this.itemPosition = this.getItemPosition();
this.calciteInternalAccordionItemRegister.emit({
parent: this.parent,
position: this.itemPosition
});
}
disconnectedCallback() {
disconnectConditionalSlotComponent(this);
}
// --------------------------------------------------------------------------
//
// Render Methods
//
// --------------------------------------------------------------------------
renderActionsStart() {
const { el } = this;
return getSlotted(el, SLOTS.actionsStart) ? (h("div", { class: CSS.actionsStart }, h("slot", { name: SLOTS.actionsStart }))) : null;
}
renderActionsEnd() {
const { el } = this;
return getSlotted(el, SLOTS.actionsEnd) ? (h("div", { class: CSS.actionsEnd }, h("slot", { name: SLOTS.actionsEnd }))) : null;
}
render() {
const { iconFlipRtl } = this;
const dir = getElementDir(this.el);
const iconStartEl = this.iconStart ? (h("calcite-icon", { class: CSS.iconStart, flipRtl: iconFlipRtl === "both" || iconFlipRtl === "start", icon: this.iconStart, key: "icon-start", scale: this.scale === "l" ? "m" : "s" })) : null;
const iconEndEl = this.iconEnd ? (h("calcite-icon", { class: CSS.iconEnd, flipRtl: iconFlipRtl === "both" || iconFlipRtl === "end", icon: this.iconEnd, key: "icon-end", scale: this.scale === "l" ? "m" : "s" })) : null;
const { description } = this;
return (h(Host, null, h("div", { class: {
[`icon-position--${this.iconPosition}`]: true,
[`icon-type--${this.iconType}`]: true
} }, h("div", { class: { [CSS.header]: true, [CSS_UTILITY.rtl]: dir === "rtl" } }, this.renderActionsStart(), h("div", { "aria-expanded": toAriaBoolean(this.expanded), class: CSS.headerContent, onClick: this.itemHeaderClickHandler, role: "button", tabindex: "0" }, h("div", { class: CSS.headerContainer }, iconStartEl, h("div", { class: CSS.headerText }, h("span", { class: CSS.heading }, this.heading), description ? h("span", { class: CSS.description }, description) : null), iconEndEl), h("calcite-icon", { class: CSS.expandIcon, icon: this.iconType === "chevron"
? "chevronDown"
: this.iconType === "caret"
? "caretDown"
: this.expanded
? "minus"
: "plus", scale: this.scale === "l" ? "m" : "s" })), this.renderActionsEnd()), h("div", { class: CSS.content }, h("slot", null)))));
}
//--------------------------------------------------------------------------
//
// Event Listeners
//
//--------------------------------------------------------------------------
keyDownHandler(event) {
if (event.target === this.el) {
switch (event.key) {
case " ":
case "Enter":
this.emitRequestedItem();
event.preventDefault();
break;
}
}
}
updateActiveItemOnChange(event) {
this.requestedAccordionItem = event.detail
.requestedAccordionItem;
if (this.el.parentNode !== this.requestedAccordionItem.parentNode) {
return;
}
this.determineActiveItem();
event.stopPropagation();
}
//--------------------------------------------------------------------------
//
// Private Methods
//
//--------------------------------------------------------------------------
determineActiveItem() {
this.selectionMode = getElementProp(this.el, "selection-mode", "multiple");
switch (this.selectionMode) {
case "multiple":
if (this.el === this.requestedAccordionItem) {
this.expanded = !this.expanded;
}
break;
case "single":
this.expanded = this.el === this.requestedAccordionItem ? !this.expanded : false;
break;
case "single-persist":
this.expanded = this.el === this.requestedAccordionItem;
break;
}
}
emitRequestedItem() {
this.calciteInternalAccordionItemSelect.emit({
requestedAccordionItem: this.el
});
}
getItemPosition() {
const { el } = this;
const items = closestElementCrossShadowBoundary(el, "calcite-accordion")?.querySelectorAll("calcite-accordion-item");
return items ? Array.from(items).indexOf(el) : -1;
}
static get is() { return "calcite-accordion-item"; }
static get encapsulation() { return "shadow"; }
static get originalStyleUrls() {
return {
"$": ["accordion-item.scss"]
};
}
static get styleUrls() {
return {
"$": ["accordion-item.css"]
};
}
static get properties() {
return {
"expanded": {
"type": "boolean",
"mutable": true,
"complexType": {
"original": "boolean",
"resolved": "boolean",
"references": {}
},
"required": false,
"optional": false,
"docs": {
"tags": [],
"text": "When `true`, the component is expanded."
},
"attribute": "expanded",
"reflect": true,
"defaultValue": "false"
},
"heading": {
"type": "string",
"mutable": false,
"complexType": {
"original": "string",
"resolved": "string",
"references": {}
},
"required": false,
"optional": false,
"docs": {
"tags": [],
"text": "Specifies heading text for the component."
},
"attribute": "heading",
"reflect": false
},
"description": {
"type": "string",
"mutable": false,
"complexType": {
"original": "string",
"resolved": "string",
"references": {}
},
"required": false,
"optional": false,
"docs": {
"tags": [],
"text": "Specifies a description for the component."
},
"attribute": "description",
"reflect": false
},
"iconStart": {
"type": "string",
"mutable": false,
"complexType": {
"original": "string",
"resolved": "string",
"references": {}
},
"required": false,
"optional": false,
"docs": {
"tags": [],
"text": "Specifies an icon to display at the start of the component."
},
"attribute": "icon-start",
"reflect": true
},
"iconEnd": {
"type": "string",
"mutable": false,
"complexType": {
"original": "string",
"resolved": "string",
"references": {}
},
"required": false,
"optional": false,
"docs": {
"tags": [],
"text": "Specifies an icon to display at the end of the component."
},
"attribute": "icon-end",
"reflect": true
},
"iconFlipRtl": {
"type": "string",
"mutable": false,
"complexType": {
"original": "FlipContext",
"resolved": "\"both\" | \"end\" | \"start\"",
"references": {
"FlipContext": {
"location": "import",
"path": "../interfaces"
}
}
},
"required": false,
"optional": false,
"docs": {
"tags": [],
"text": "Displays the `iconStart` and/or `iconEnd` as flipped when the element direction is right-to-left (`\"rtl\"`)."
},
"attribute": "icon-flip-rtl",
"reflect": true
}
};
}
static get events() {
return [{
"method": "calciteInternalAccordionItemSelect",
"name": "calciteInternalAccordionItemSelect",
"bubbles": true,
"cancelable": false,
"composed": true,
"docs": {
"tags": [{
"name": "internal",
"text": undefined
}],
"text": ""
},
"complexType": {
"original": "RequestedItem",
"resolved": "RequestedItem",
"references": {
"RequestedItem": {
"location": "import",
"path": "./interfaces"
}
}
}
}, {
"method": "calciteInternalAccordionItemClose",
"name": "calciteInternalAccordionItemClose",
"bubbles": true,
"cancelable": false,
"composed": true,
"docs": {
"tags": [{
"name": "internal",
"text": undefined
}],
"text": ""
},
"complexType": {
"original": "void",
"resolved": "void",
"references": {}
}
}, {
"method": "calciteInternalAccordionItemRegister",
"name": "calciteInternalAccordionItemRegister",
"bubbles": true,
"cancelable": false,
"composed": true,
"docs": {
"tags": [{
"name": "internal",
"text": undefined
}],
"text": ""
},
"complexType": {
"original": "RegistryEntry",
"resolved": "RegistryEntry",
"references": {
"RegistryEntry": {
"location": "import",
"path": "./interfaces"
}
}
}
}];
}
static get elementRef() { return "el"; }
static get listeners() {
return [{
"name": "keydown",
"method": "keyDownHandler",
"target": undefined,
"capture": false,
"passive": false
}, {
"name": "calciteInternalAccordionChange",
"method": "updateActiveItemOnChange",
"target": "body",
"capture": false,
"passive": false
}];
}
}