@esri/calcite-components
Version:
Web Components for Esri's Calcite Design System.
312 lines (306 loc) • 13.4 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 { proxyCustomElement, HTMLElement, createEvent, h, Host } from '@stencil/core/internal/client';
import { k as focusElement, o as nodeListToArray, p as getRootNode } from './dom.js';
function isTreeItem(element) {
return element?.matches("calcite-tree-item");
}
function getEnabledSiblingItem(el, direction) {
const directionProp = direction === "down" ? "nextElementSibling" : "previousElementSibling";
let currentEl = el;
let enabledEl = null;
while (isTreeItem(currentEl)) {
if (!currentEl.disabled) {
enabledEl = currentEl;
break;
}
currentEl = currentEl[directionProp];
}
return enabledEl;
}
const treeCss = "@keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in-down{0%{opacity:0;transform:translate3D(0, -5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;transform:translate3D(0, 5px, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-right{0%{opacity:0;transform:translate3D(-5px, 0, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-left{0%{opacity:0;transform:translate3D(5px, 0, 0)}100%{opacity:1;transform:translate3D(0, 0, 0)}}@keyframes in-scale{0%{opacity:0;transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;transform:scale3D(1, 1, 1)}}:root{--calcite-animation-timing:calc(150ms * var(--calcite-internal-duration-factor));--calcite-internal-duration-factor:var(--calcite-duration-factor, 1);--calcite-internal-animation-timing-fast:calc(100ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-medium:calc(200ms * var(--calcite-internal-duration-factor));--calcite-internal-animation-timing-slow:calc(300ms * var(--calcite-internal-duration-factor))}.calcite-animate{opacity:0;animation-fill-mode:both;animation-duration:var(--calcite-animation-timing)}.calcite-animate__in{animation-name:in}.calcite-animate__in-down{animation-name:in-down}.calcite-animate__in-up{animation-name:in-up}.calcite-animate__in-right{animation-name:in-right}.calcite-animate__in-left{animation-name:in-left}.calcite-animate__in-scale{animation-name:in-scale}@media (prefers-reduced-motion: reduce){:root{--calcite-internal-duration-factor:0.01}}:root{--calcite-floating-ui-transition:var(--calcite-animation-timing);--calcite-floating-ui-z-index:var(--calcite-app-z-index-dropdown)}:host([hidden]){display:none}:host{display:block}:host(:focus){outline:2px solid transparent;outline-offset:2px}";
const Tree = /*@__PURE__*/ proxyCustomElement(class extends HTMLElement {
constructor() {
super();
this.__registerHost();
this.__attachShadow();
this.calciteTreeSelect = createEvent(this, "calciteTreeSelect", 6);
this.lines = false;
this.child = undefined;
this.scale = "m";
this.selectionMode = "single";
this.selectedItems = [];
}
//--------------------------------------------------------------------------
//
// Lifecycle
//
//--------------------------------------------------------------------------
componentWillRender() {
const parent = this.el.parentElement?.closest("calcite-tree");
this.lines = parent ? parent.lines : this.lines;
this.scale = parent ? parent.scale : this.scale;
this.selectionMode = parent ? parent.selectionMode : this.selectionMode;
this.child = !!parent;
}
render() {
return (h(Host, { "aria-multiselectable": this.child
? undefined
: (this.selectionMode === "multiple" || this.selectionMode === "multichildren").toString(), role: !this.child ? "tree" : undefined, tabIndex: this.getRootTabIndex() }, h("slot", null)));
}
//--------------------------------------------------------------------------
//
// Event Listeners
//
//--------------------------------------------------------------------------
onFocus() {
if (!this.child) {
const focusTarget = this.el.querySelector("calcite-tree-item[selected]:not([disabled])") || this.el.querySelector("calcite-tree-item:not([disabled])");
focusElement(focusTarget);
}
}
onFocusIn(event) {
const focusedFromRootOrOutsideTree = event.relatedTarget === this.el || !this.el.contains(event.relatedTarget);
if (focusedFromRootOrOutsideTree) {
// gives user the ability to tab into external elements (modifying tabindex property will not work in firefox)
this.el.removeAttribute("tabindex");
}
}
onFocusOut(event) {
const willFocusOutsideTree = !this.el.contains(event.relatedTarget);
if (willFocusOutsideTree) {
this.el.tabIndex = this.getRootTabIndex();
}
}
onClick(event) {
const target = event.target;
const childItems = nodeListToArray(target.querySelectorAll("calcite-tree-item"));
if (this.child) {
return;
}
if (!this.child) {
event.preventDefault();
event.stopPropagation();
}
if (this.selectionMode === "ancestors" && !this.child) {
this.updateAncestorTree(event);
return;
}
const isNoneSelectionMode = this.selectionMode === "none";
const shouldSelect = this.selectionMode !== null &&
(!target.hasChildren ||
(target.hasChildren &&
(this.selectionMode === "children" || this.selectionMode === "multichildren")));
const shouldDeselectAllChildren = this.selectionMode === "multichildren" && target.hasChildren;
const shouldModifyToCurrentSelection = !isNoneSelectionMode &&
event.detail.modifyCurrentSelection &&
(this.selectionMode === "multiple" || this.selectionMode === "multichildren");
const shouldClearCurrentSelection = !shouldModifyToCurrentSelection &&
(((this.selectionMode === "single" || this.selectionMode === "multiple") &&
childItems.length <= 0) ||
this.selectionMode === "children" ||
this.selectionMode === "multichildren");
const shouldUpdateExpand = ["children", "multichildren"].includes(this.selectionMode) ||
(["single", "multiple"].includes(this.selectionMode) &&
target.hasChildren &&
!event.detail.forceToggle);
if (!this.child) {
const targetItems = [];
if (shouldSelect) {
targetItems.push(target);
}
if (shouldClearCurrentSelection) {
const selectedItems = nodeListToArray(this.el.querySelectorAll("calcite-tree-item[selected]"));
selectedItems.forEach((treeItem) => {
if (!targetItems.includes(treeItem)) {
treeItem.selected = false;
}
});
}
if (shouldUpdateExpand) {
if (["single", "multiple"].includes(this.selectionMode)) {
target.expanded = !target.expanded;
}
else if (this.selectionMode === "multichildren") {
target.expanded = !target.selected;
}
else if (this.selectionMode === "children") {
target.expanded = target.selected ? !target.expanded : true;
}
}
if (shouldDeselectAllChildren) {
childItems.forEach((item) => {
item.selected = false;
if (item.hasChildren) {
item.expanded = false;
}
});
}
if (shouldModifyToCurrentSelection) {
window.getSelection().removeAllRanges();
}
if ((shouldModifyToCurrentSelection && target.selected) || event.detail.forceToggle) {
targetItems.forEach((treeItem) => {
if (!treeItem.disabled) {
treeItem.selected = false;
}
});
}
else if (!isNoneSelectionMode) {
targetItems.forEach((treeItem) => {
if (!treeItem.disabled) {
treeItem.selected = true;
}
});
}
}
this.selectedItems = isNoneSelectionMode
? [target]
: nodeListToArray(this.el.querySelectorAll("calcite-tree-item")).filter((i) => i.selected);
this.calciteTreeSelect.emit();
event.stopPropagation();
}
keyDownHandler(event) {
const root = this.el.closest("calcite-tree:not([child])");
const target = event.target;
if (!(root === this.el && target.tagName === "CALCITE-TREE-ITEM" && this.el.contains(target))) {
return;
}
if (event.key === "ArrowDown") {
const next = getEnabledSiblingItem(target.nextElementSibling, "down");
if (next) {
next.focus();
event.preventDefault();
}
return;
}
if (event.key === "ArrowUp") {
const previous = getEnabledSiblingItem(target.previousElementSibling, "up");
if (previous) {
previous.focus();
event.preventDefault();
}
}
if (event.key === "ArrowLeft" && !target.disabled) {
// When focus is on an open node, closes the node.
if (target.hasChildren && target.expanded) {
target.expanded = false;
event.preventDefault();
return;
}
// When focus is on a child node that is also either an end node or a closed node, moves focus to its parent node.
const parentItem = target.parentElement.closest("calcite-tree-item");
if (parentItem && (!target.hasChildren || target.expanded === false)) {
parentItem.focus();
event.preventDefault();
return;
}
// When focus is on a root node that is also either an end node or a closed node, does nothing.
return;
}
if (event.key === "ArrowRight" && !target.disabled) {
if (target.hasChildren) {
if (target.expanded && getRootNode(this.el).activeElement === target) {
// When focus is on an open node, moves focus to the first child node.
getEnabledSiblingItem(target.querySelector("calcite-tree-item"), "down")?.focus();
event.preventDefault();
}
else {
// When focus is on a closed node, opens the node; focus does not move.
target.expanded = true;
event.preventDefault();
}
}
return;
}
}
updateAncestorTree(event) {
const item = event.target;
if (item.disabled) {
return;
}
const ancestors = [];
let parent = item.parentElement.closest("calcite-tree-item");
while (parent) {
ancestors.push(parent);
parent = parent.parentElement.closest("calcite-tree-item");
}
const childItems = Array.from(item.querySelectorAll("calcite-tree-item:not([disabled])"));
const childItemsWithNoChildren = childItems.filter((child) => !child.hasChildren);
const childItemsWithChildren = childItems.filter((child) => child.hasChildren);
const futureSelected = item.hasChildren
? !(item.selected || item.indeterminate)
: !item.selected;
childItemsWithNoChildren.forEach((el) => {
el.selected = futureSelected;
el.indeterminate = false;
});
function updateItemState(childItems, item) {
const selected = childItems.filter((child) => child.selected);
const unselected = childItems.filter((child) => !child.selected);
item.selected = selected.length === childItems.length;
item.indeterminate = selected.length > 0 && unselected.length > 0;
}
childItemsWithChildren.forEach((el) => {
const directChildItems = Array.from(el.querySelectorAll(":scope > calcite-tree > calcite-tree-item"));
updateItemState(directChildItems, el);
});
if (item.hasChildren) {
updateItemState(childItems, item);
}
else {
item.selected = futureSelected;
item.indeterminate = false;
}
ancestors.forEach((ancestor) => {
const descendants = nodeListToArray(ancestor.querySelectorAll("calcite-tree-item"));
const activeDescendants = descendants.filter((el) => el.selected);
if (activeDescendants.length === 0) {
ancestor.selected = false;
ancestor.indeterminate = false;
return;
}
const indeterminate = activeDescendants.length < descendants.length;
ancestor.indeterminate = indeterminate;
ancestor.selected = !indeterminate;
});
this.selectedItems = nodeListToArray(this.el.querySelectorAll("calcite-tree-item")).filter((i) => i.selected);
this.calciteTreeSelect.emit();
}
// --------------------------------------------------------------------------
//
// Private Methods
//
//--------------------------------------------------------------------------
getRootTabIndex() {
return !this.child ? 0 : -1;
}
get el() { return this; }
static get style() { return treeCss; }
}, [1, "calcite-tree", {
"lines": [1540],
"child": [1540],
"scale": [1537],
"selectionMode": [1537, "selection-mode"],
"selectedItems": [1040]
}, [[0, "focus", "onFocus"], [0, "focusin", "onFocusIn"], [0, "focusout", "onFocusOut"], [0, "calciteInternalTreeItemSelect", "onClick"], [0, "keydown", "keyDownHandler"]]]);
function defineCustomElement$1() {
if (typeof customElements === "undefined") {
return;
}
const components = ["calcite-tree"];
components.forEach(tagName => { switch (tagName) {
case "calcite-tree":
if (!customElements.get(tagName)) {
customElements.define(tagName, Tree);
}
break;
} });
}
defineCustomElement$1();
const CalciteTree = Tree;
const defineCustomElement = defineCustomElement$1;
export { CalciteTree, defineCustomElement };