@esri/calcite-components
Version:
Web Components for Esri's Calcite Design System.
404 lines (395 loc) • 28.1 kB
JavaScript
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
const index = require('./index-8313e72a.js');
const dom = require('./dom-117fbac1.js');
const key = require('./key-f470de4c.js');
require('./guid-4637ad8f.js');
var TreeSelectionMode;
(function (TreeSelectionMode) {
TreeSelectionMode["Single"] = "single";
TreeSelectionMode["Multi"] = "multi";
TreeSelectionMode["Children"] = "children";
TreeSelectionMode["MultiChildren"] = "multi-children";
TreeSelectionMode["Ancestors"] = "ancestors";
})(TreeSelectionMode || (TreeSelectionMode = {}));
const calciteTreeCss = "@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-popper-transition:150ms ease-in-out}:host([hidden]){display:none}:host{display:block;outline:2px solid transparent;outline-offset:2px}";
const CalciteTree = class {
constructor(hostRef) {
index.registerInstance(this, hostRef);
this.calciteTreeSelect = index.createEvent(this, "calciteTreeSelect", 7);
//--------------------------------------------------------------------------
//
// Properties
//
//--------------------------------------------------------------------------
/** Display indentation guide lines */
this.lines = false;
/** Display input */
this.inputEnabled = false;
/** Specify the scale of the tree, defaults to m */
this.scale = "m";
/** Customize how tree selection works (single, multi, children, multi-children) */
this.selectionMode = TreeSelectionMode.Single;
}
//--------------------------------------------------------------------------
//
// 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.inputEnabled = parent ? parent.inputEnabled : this.inputEnabled;
this.selectionMode = parent ? parent.selectionMode : this.selectionMode;
this.child = !!parent;
}
render() {
return (index.h(index.Host, { "aria-multiselectable": this.selectionMode === TreeSelectionMode.Multi ||
this.selectionMode === TreeSelectionMode.MultiChildren, role: !this.child ? "tree" : undefined, tabIndex: this.getRootTabIndex() }, index.h("slot", null)));
}
//--------------------------------------------------------------------------
//
// Event Listeners
//
//--------------------------------------------------------------------------
onFocus() {
if (!this.child) {
const focusTarget = this.el.querySelector("calcite-tree-item[selected]") ||
this.el.querySelector("calcite-tree-item");
dom.focusElement(focusTarget);
}
}
onFocusIn(event) {
const focusedFromRootOrOutsideTree = event.relatedTarget === this.el || !this.el.contains(event.relatedTarget);
if (focusedFromRootOrOutsideTree) {
this.el.tabIndex = -1;
}
}
onFocusOut(event) {
const willFocusOutsideTree = !this.el.contains(event.relatedTarget);
if (willFocusOutsideTree) {
this.el.tabIndex = this.getRootTabIndex();
}
}
onClick(e) {
const target = e.target;
const childItems = dom.nodeListToArray(target.querySelectorAll("calcite-tree-item"));
if (!this.child) {
e.preventDefault();
e.stopPropagation();
}
if (this.selectionMode === TreeSelectionMode.Ancestors && !this.child) {
this.updateAncestorTree(e);
return;
}
const shouldSelect = this.selectionMode !== null &&
(!target.hasChildren ||
(target.hasChildren &&
(this.selectionMode === TreeSelectionMode.Children ||
this.selectionMode === TreeSelectionMode.MultiChildren)));
const shouldModifyToCurrentSelection = e.detail.modifyCurrentSelection &&
(this.selectionMode === TreeSelectionMode.Multi ||
this.selectionMode === TreeSelectionMode.MultiChildren);
const shouldSelectChildren = this.selectionMode === TreeSelectionMode.MultiChildren ||
this.selectionMode === TreeSelectionMode.Children;
const shouldClearCurrentSelection = !shouldModifyToCurrentSelection &&
(((this.selectionMode === TreeSelectionMode.Single ||
this.selectionMode === TreeSelectionMode.Multi) &&
childItems.length <= 0) ||
this.selectionMode === TreeSelectionMode.Children ||
this.selectionMode === TreeSelectionMode.MultiChildren);
const shouldExpandTarget = this.selectionMode === TreeSelectionMode.Children ||
this.selectionMode === TreeSelectionMode.MultiChildren;
if (!this.child) {
const targetItems = [];
if (shouldSelect) {
targetItems.push(target);
}
if (shouldSelectChildren) {
childItems.forEach((treeItem) => {
targetItems.push(treeItem);
});
}
if (shouldClearCurrentSelection) {
const selectedItems = dom.nodeListToArray(this.el.querySelectorAll("calcite-tree-item[selected]"));
selectedItems.forEach((treeItem) => {
if (!targetItems.includes(treeItem)) {
treeItem.selected = false;
}
});
}
if (shouldExpandTarget && !e.detail.forceToggle) {
target.expanded = true;
}
if (shouldModifyToCurrentSelection) {
window.getSelection().removeAllRanges();
}
if ((shouldModifyToCurrentSelection && target.selected) ||
(shouldSelectChildren && e.detail.forceToggle)) {
targetItems.forEach((treeItem) => {
treeItem.selected = false;
});
}
else {
targetItems.forEach((treeItem) => {
treeItem.selected = true;
});
}
}
this.calciteTreeSelect.emit({
selected: dom.nodeListToArray(this.el.querySelectorAll("calcite-tree-item")).filter((i) => i.selected)
});
}
updateAncestorTree(e) {
const item = e.target;
const children = item.querySelectorAll("calcite-tree-item");
const ancestors = [];
let parent = item.parentElement.closest("calcite-tree-item");
while (parent) {
ancestors.push(parent);
parent = parent.parentElement.closest("calcite-tree-item");
}
item.selected = !item.selected;
item.indeterminate = false;
if (children === null || children === void 0 ? void 0 : children.length) {
children.forEach((el) => {
el.selected = item.selected;
el.indeterminate = false;
});
}
if (ancestors) {
ancestors.forEach((ancestor) => {
const descendants = dom.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.calciteTreeSelect.emit({
selected: dom.nodeListToArray(this.el.querySelectorAll("calcite-tree-item")).filter((i) => i.selected)
});
}
// --------------------------------------------------------------------------
//
// Private Methods
//
//--------------------------------------------------------------------------
getRootTabIndex() {
return !this.child ? 0 : -1;
}
get el() { return index.getElement(this); }
};
CalciteTree.style = calciteTreeCss;
const calciteTreeItemCss = "@charset \"UTF-8\";@-webkit-keyframes in{0%{opacity:0}100%{opacity:1}}@keyframes in{0%{opacity:0}100%{opacity:1}}@-webkit-keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-down{0%{opacity:0;-webkit-transform:translate3D(0, -5px, 0);transform:translate3D(0, -5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@keyframes in-up{0%{opacity:0;-webkit-transform:translate3D(0, 5px, 0);transform:translate3D(0, 5px, 0)}100%{opacity:1;-webkit-transform:translate3D(0, 0, 0);transform:translate3D(0, 0, 0)}}@-webkit-keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}@keyframes in-scale{0%{opacity:0;-webkit-transform:scale3D(0.95, 0.95, 1);transform:scale3D(0.95, 0.95, 1)}100%{opacity:1;-webkit-transform:scale3D(1, 1, 1);transform:scale3D(1, 1, 1)}}:root{--calcite-popper-transition:150ms ease-in-out}:host([hidden]){display:none}:host{display:block;color:var(--calcite-tree-text);cursor:pointer;outline:none;font-size:0.875rem;line-height:1.5;max-width:100%;--calcite-tree-text:var(--calcite-ui-text-2);--calcite-tree-text:var(--calcite-ui-text-1);--calcite-tree-text:var(--calcite-ui-text-1);--calcite-tree-chevron:var(--calcite-ui-border-1);--calcite-tree-chevron-hover:var(--calcite-ui-text-3);--calcite-tree-vertical-padding:0.375rem;--calcite-tree-indicator:var(--calcite-ui-border-1);--calcite-tree-indicator-active:var(--calcite-ui-brand);--calcite-tree-indicator-first-start:0.1rem;--calcite-tree-indicator-first-end:auto;--calcite-tree-indicator-distance-start:0.15rem;--calcite-tree-indicator-distance-end:auto;--calcite-tree-icon-edge-distance-start:-0.2rem;--calcite-tree-icon-edge-distance-end:0;--calcite-tree-icon-content-distance-start:0.375rem;--calcite-tree-icon-content-distance-end:0;--calcite-tree-indent-start:1.4rem;--calcite-tree-indent-end:0;--calcite-tree-children-indent-start:0.25rem;--calcite-tree-children-indent-end:0;--calcite-tree-children-padding-start:1rem;--calcite-tree-children-padding-end:0;--calcite-tree-checkbox-padding-start:0;--calcite-tree-checkbox-padding-end:0.5rem;--calcite-tree-line-position-start:0.05rem;--calcite-tree-line-position-end:0;--calcite-tree-parent-line-position-start:-0.95rem;--calcite-tree-parent-line-position-end:0;--calcite-tree-line-width:1px;--calcite-tree-hover-line-width:3px}:host([lines]){--calcite-tree-line:var(--calcite-ui-border-3);--calcite-tree-line-hover:var(--calcite-ui-border-1)}:host([lines]) .calcite-tree-node:before{display:none}:host(:not([lines])) .calcite-tree-node:after{display:none}:host([scale=s]){--calcite-tree-hover-line-width:2px;--calcite-tree-vertical-padding:0.1875rem;--calcite-tree-children-indent-start:0rem;--calcite-tree-children-padding-start:0.8rem;--calcite-tree-line-position-start:0.3rem;--calcite-tree-parent-line-position-start:-0.5rem}:host([dir=rtl]){--calcite-tree-indicator-first-start:0;--calcite-tree-indicator-first-end:0.1rem;--calcite-tree-indicator-distance-start:auto;--calcite-tree-indicator-distance-end:0.15rem;--calcite-tree-icon-edge-distance-start:auto;--calcite-tree-icon-edge-distance-end:-0.2rem;--calcite-tree-icon-content-distance-start:0;--calcite-tree-icon-content-distance-end:0.375rem;--calcite-tree-indent-start:0;--calcite-tree-indent-end:1.4rem;--calcite-tree-children-indent-start:0;--calcite-tree-children-indent-end:0.25rem;--calcite-tree-children-padding-start:0;--calcite-tree-children-padding-end:1rem;--calcite-tree-checkbox-padding-start:0.5rem;--calcite-tree-checkbox-padding-end:0;--calcite-tree-line-position-start:0;--calcite-tree-line-position-end:0.05rem;--calcite-tree-parent-line-position-start:0;--calcite-tree-parent-line-position-end:-0.95rem}:host([dir=rtl][scale=s]){--calcite-tree-children-indent-end:0rem;--calcite-tree-children-padding-end:0.8rem;--calcite-tree-line-position-end:0.3rem;--calcite-tree-parent-line-position-end:-0.5rem}::slotted(*){color:inherit;font-size:0.875rem;line-height:1.5;text-decoration:none !important;word-wrap:break-word;overflow-wrap:break-word;min-width:0;max-width:100%}::slotted(*):hover{text-decoration:none !important}::slotted(a){width:100%;text-decoration:none}:host{outline-offset:0;outline-color:transparent;-webkit-transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out;transition:outline-offset 100ms ease-in-out, outline-color 100ms ease-in-out}:host(:focus){outline:2px solid var(--calcite-ui-brand);outline-offset:-2px}.calcite-tree-checkbox{line-height:0;padding-left:var(--calcite-tree-checkbox-padding-start);padding-right:var(--calcite-tree-checkbox-padding-end);outline:none}.calcite-tree-label{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}.calcite-tree-children{z-index:1;margin-left:var(--calcite-tree-children-indent-start);margin-right:var(--calcite-tree-children-indent-end);padding-left:var(--calcite-tree-children-padding-start);padding-right:var(--calcite-tree-children-padding-end);position:relative;-webkit-transform:scaleY(0);transform:scaleY(0);opacity:0;overflow:hidden;-webkit-transition:0.15s cubic-bezier(0.215, 0.44, 0.42, 0.88), opacity 0.15s cubic-bezier(0.215, 0.44, 0.42, 0.88), all 0.15s ease-in-out;transition:0.15s cubic-bezier(0.215, 0.44, 0.42, 0.88), opacity 0.15s cubic-bezier(0.215, 0.44, 0.42, 0.88), all 0.15s ease-in-out;height:0;-webkit-transform-origin:top;transform-origin:top}.calcite-tree-children:after{-webkit-transition:all 150ms ease-in-out;transition:all 150ms ease-in-out;content:\"\";height:100%;width:var(--calcite-tree-line-width);background:var(--calcite-tree-line);left:var(--calcite-tree-line-position-start);right:var(--calcite-tree-line-position-end);top:0;position:absolute}:host([expanded])>.calcite-tree-children{-webkit-transform:scaleY(1);transform:scaleY(1);opacity:1;height:auto}:host([has-children]) .calcite-tree-children:hover:after,:host([has-children]) .calcite-tree-children:focus:after{background:var(--calcite-tree-line-hover)}.calcite-tree-node{display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;padding:var(--calcite-tree-vertical-padding) 0;padding-left:var(--calcite-tree-indent-start);padding-right:var(--calcite-tree-indent-end);position:relative}.calcite-tree-node:before{content:\"•\";position:absolute;left:var(--calcite-tree-indicator-distance-start);right:var(--calcite-tree-indicator-distance-end);opacity:0;color:var(--calcite-tree-indicator);-webkit-transition:all 150ms ease-in-out;transition:all 150ms ease-in-out}.calcite-tree-node:after{-webkit-transition:all 150ms ease-in-out;transition:all 150ms ease-in-out;content:\"\";height:100%;width:var(--calcite-tree-line-width);background:var(--calcite-tree-line);left:var(--calcite-tree-parent-line-position-start);right:var(--calcite-tree-parent-line-position-end);top:0;position:absolute}:host([depth=\"1\"])>.calcite-tree-node:after{display:none}:host([input-enabled]) .calcite-tree-node:before{display:none}:host([has-children])>.calcite-tree-node{padding-left:0;padding-right:0}:host([has-children])>.calcite-tree-node:before{display:none}:host([depth=\"1\"])>.calcite-tree-node:before,:host([depth=\"1\"])>.calcite-tree-children:before{left:var(--calcite-tree-indicator-first-start);right:var(--calcite-tree-indicator-first-end)}.calcite-tree-node:hover:before,:host([selected]) .calcite-tree-node:hover:before,:host(:focus) .calcite-tree-node:before{opacity:1}.calcite-tree-node:hover:after,:host([selected]) .calcite-tree-node:hover:after,:host(:focus) .calcite-tree-node:after{width:var(--calcite-tree-hover-line-width);background:var(--calcite-tree-line-hover);z-index:2}.calcite-tree-node:hover ::slotted(*),:host([selected]) .calcite-tree-node:hover ::slotted(*),:host(:focus) .calcite-tree-node ::slotted(*){color:var(--calcite-tree-text-hover)}.calcite-tree-node:hover .calcite-tree-chevron,:host([selected]) .calcite-tree-node:hover .calcite-tree-chevron,:host(:focus) .calcite-tree-node .calcite-tree-chevron{fill:var(--calcite-tree-chevron-hover)}.calcite-tree-node:hover .calcite-tree-indicator,:host([selected]) .calcite-tree-node:hover .calcite-tree-indicator,:host(:focus) .calcite-tree-node .calcite-tree-indicator{fill:var(--calcite-tree-indicator-hover)}:host([selected])>.calcite-tree-node,:host([selected])>.calcite-tree-node:hover{color:var(--calcite-tree-text-active);font-weight:500}:host([selected])>.calcite-tree-node:before,:host([selected])>.calcite-tree-node:hover:before{opacity:1;color:var(--calcite-tree-indicator-active)}:host([selected])>.calcite-tree-node:after,:host([selected])>.calcite-tree-node:hover:after{background:var(--calcite-ui-brand);width:var(--calcite-tree-hover-line-width);z-index:2}:host([selected])>.calcite-tree-node ::slotted(*),:host([selected])>.calcite-tree-node:hover ::slotted(*){color:var(--calcite-tree-text-active)}:host([has-children][expanded])>.calcite-tree-node{color:var(--calcite-tree-text-active);font-weight:500}:host([has-children][expanded])>.calcite-tree-node:after{background:var(--calcite-ui-brand)}:host([has-children][expanded])>.calcite-tree-node:before{opacity:1;color:var(--calcite-tree-indicator-active)}:host([has-children][expanded])>.calcite-tree-node ::slotted(*){color:var(--calcite-tree-text-active)}:host([has-children][expanded][selected])>.calcite-tree-node:after{background:var(--calcite-ui-brand);width:var(--calcite-tree-hover-line-width);z-index:2}.calcite-tree-chevron{-webkit-transition:all 150ms ease-in-out;transition:all 150ms ease-in-out;-ms-flex:0 0 auto;flex:0 0 auto;position:relative;-ms-flex-item-align:center;align-self:center;left:var(--calcite-tree-icon-edge-distance-start);right:var(--calcite-tree-icon-edge-distance-end);margin-right:var(--calcite-tree-icon-content-distance-start);margin-left:var(--calcite-tree-icon-content-distance-end);-webkit-transform:rotate(0deg);transform:rotate(0deg);fill:var(--calcite-tree-chevron)}:host([dir=rtl]) .calcite-tree-chevron{-webkit-transform:rotate(180deg);transform:rotate(180deg)}:host(:hover) .calcite-tree-chevron,:host(:focus) .calcite-tree-chevron{fill:var(--calcite-tree-chevron-hover);stroke:var(--calcite-tree-chevron-hover);stroke-width:0.75}:host([expanded])>.calcite-tree-node>.calcite-tree-chevron{-webkit-transform:rotate(90deg);transform:rotate(90deg);fill:var(--calcite-ui-brand);stroke-width:0.75;stroke:var(--calcite-ui-brand)}";
const CalciteTreeItem = class {
constructor(hostRef) {
index.registerInstance(this, hostRef);
this.calciteTreeItemSelect = index.createEvent(this, "calciteTreeItemSelect", 7);
//--------------------------------------------------------------------------
//
// Properties
//
//--------------------------------------------------------------------------
/** Is the item currently selected */
this.selected = false;
/** True if the item is in an expanded state */
this.expanded = false;
/** @internal Is the parent of this item expanded? */
this.parentExpanded = false;
/** @internal What level of depth is this item at? */
this.depth = -1;
/** @internal Does this tree item have a tree inside it? */
this.hasChildren = null;
this.iconClickHandler = (event) => {
event.stopPropagation();
this.expanded = !this.expanded;
if (!this.inputEnabled) {
this.calciteTreeItemSelect.emit({
modifyCurrentSelection: event.shiftKey,
forceToggle: true
});
}
};
this.childrenClickHandler = (event) => event.stopPropagation();
this.checkboxClickHandler = (event) => {
event.stopPropagation();
this.calciteTreeItemSelect.emit({
modifyCurrentSelection: event.shiftKey,
forceToggle: true
});
this.el.focus();
};
}
expandedHandler(newValue) {
const items = dom.getSlotted(this.el, "children", {
all: true,
selector: "calcite-tree-item"
});
items.forEach((item) => (item.parentExpanded = newValue));
}
//--------------------------------------------------------------------------
//
// Lifecycle
//
//--------------------------------------------------------------------------
connectedCallback() {
this.expandedHandler(this.expanded);
}
componentWillRender() {
this.hasChildren = !!this.el.querySelector("calcite-tree");
this.depth = 0;
this.el.dir = dom.getElementDir(this.el);
let parentTree = this.el.closest("calcite-tree");
if (!parentTree) {
return;
}
this.selectionMode = parentTree.selectionMode;
this.scale = parentTree.scale || "m";
this.lines = parentTree.lines;
this.inputEnabled = parentTree.inputEnabled;
let nextParentTree;
while (parentTree) {
nextParentTree = parentTree.parentElement.closest("calcite-tree");
if (nextParentTree === parentTree) {
break;
}
else {
parentTree = nextParentTree;
this.depth = this.depth + 1;
}
}
}
render() {
const icon = this.hasChildren ? (index.h("calcite-icon", { class: "calcite-tree-chevron", "data-test-id": "icon", icon: "chevron-right", onClick: this.iconClickHandler, scale: "s" })) : null;
const checkbox = this.inputEnabled ? (index.h("label", { class: "calcite-tree-label" }, index.h("calcite-checkbox", { checked: this.selected, class: "calcite-tree-checkbox", "data-test-id": "checkbox", indeterminate: this.hasChildren && this.indeterminate, onClick: this.checkboxClickHandler, scale: this.scale, tabIndex: -1 }), index.h("slot", null))) : null;
const hidden = !(this.parentExpanded || this.depth === 1);
return (index.h(index.Host, { "aria-expanded": this.hasChildren ? this.expanded.toString() : undefined, "aria-hidden": hidden.toString(), "aria-selected": this.selected
? "true"
: this.selectionMode === TreeSelectionMode.Multi ||
this.selectionMode === TreeSelectionMode.MultiChildren
? "false"
: undefined, "calcite-hydrated-hidden": hidden, role: "treeitem", tabindex: this.parentExpanded || this.depth === 1 ? "0" : "-1" }, index.h("div", { class: "calcite-tree-node", ref: (el) => (this.defaultSlotWrapper = el) }, icon, checkbox ? checkbox : index.h("slot", null)), index.h("div", { class: "calcite-tree-children", "data-test-id": "calcite-tree-children", onClick: this.childrenClickHandler, ref: (el) => (this.childrenSlotWrapper = el), role: this.hasChildren ? "group" : undefined }, index.h("slot", { name: "children" }))));
}
//--------------------------------------------------------------------------
//
// Event Listeners
//
//--------------------------------------------------------------------------
onClick(e) {
// Solve for if the item is clicked somewhere outside the slotted anchor.
// Anchor is triggered anywhere you click
const [link] = dom.filterDirectChildren(this.el, "a");
if (link && e.composedPath()[0].tagName.toLowerCase() !== "a") {
const target = link.target === "" ? "_self" : link.target;
window.open(link.href, target);
}
this.expanded = !this.expanded;
this.calciteTreeItemSelect.emit({
modifyCurrentSelection: e.shiftKey,
forceToggle: false
});
}
keyDownHandler(e) {
let root;
switch (key.getKey(e.key)) {
case " ":
this.calciteTreeItemSelect.emit({
modifyCurrentSelection: e.shiftKey,
forceToggle: false
});
e.preventDefault();
e.stopPropagation();
break;
case "Enter":
// activates a node, i.e., performs its default action. For parent nodes, one possible default action is to open or close the node. In single-select trees where selection does not follow focus (see note below), the default action is typically to select the focused node.
const link = dom.nodeListToArray(this.el.children).find((e) => e.matches("a"));
if (link) {
link.click();
this.selected = true;
}
else {
this.calciteTreeItemSelect.emit({
modifyCurrentSelection: e.shiftKey,
forceToggle: false
});
}
e.preventDefault();
e.stopPropagation();
break;
case "ArrowLeft":
// When focus is on an open node, closes the node.
if (this.hasChildren && this.expanded) {
this.expanded = false;
e.preventDefault();
e.stopPropagation();
break;
}
// 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 = this.el.parentElement.closest("calcite-tree-item");
if (parentItem && (!this.hasChildren || this.expanded === false)) {
parentItem.focus();
e.preventDefault();
e.stopPropagation();
break;
}
// When focus is on a root node that is also either an end node or a closed node, does nothing.
break;
case "ArrowRight":
// When focus is on a closed node, opens the node; focus does not move.
if (this.hasChildren && this.expanded === false) {
this.expanded = true;
e.preventDefault();
e.stopPropagation();
break;
}
// When focus is on a open node, moves focus to the first child node.
if (this.hasChildren && this.expanded) {
this.el.querySelector("calcite-tree-item").focus();
break;
}
// When focus is on an end node, does nothing.
break;
case "ArrowUp":
const previous = this.el.previousElementSibling;
if (previous && previous.matches("calcite-tree-item")) {
previous.focus();
}
break;
case "ArrowDown":
const next = this.el.nextElementSibling;
if (next && next.matches("calcite-tree-item")) {
next.focus();
}
break;
case "Home":
root = this.el.closest("calcite-tree:not([child])");
const firstNode = root.querySelector("calcite-tree-item");
firstNode.focus();
break;
case "End":
root = this.el.closest("calcite-tree:not([child])");
let currentNode = root.children[root.children.length - 1]; // last child
let currentTree = dom.nodeListToArray(currentNode.children).find((e) => e.matches("calcite-tree"));
while (currentTree) {
currentNode = currentTree.children[root.children.length - 1];
currentTree = dom.nodeListToArray(currentNode.children).find((e) => e.matches("calcite-tree"));
}
currentNode.focus();
break;
}
}
get el() { return index.getElement(this); }
static get watchers() { return {
"expanded": ["expandedHandler"]
}; }
};
CalciteTreeItem.style = calciteTreeItemCss;
exports.calcite_tree = CalciteTree;
exports.calcite_tree_item = CalciteTreeItem;