@yuebai008/cli/dist/cli-server/client/front_end/ui/legacy/Treeoutline.js

Command line interface for rapid qg-minigame development

import*as Common from"../../core/common/common.js";import*as Platform from"../../core/platform/platform.js";import*as ARIAUtils from"./ARIAUtils.js";import*as ThemeSupport from"./theme_support/theme_support.js";import*as Utils from"./utils/utils.js";import{InplaceEditor}from"./InplaceEditor.js";import{Keys}from"./KeyboardShortcut.js";import{Tooltip}from"./Tooltip.js";import{deepElementFromPoint,enclosingNodeOrSelfWithNodeNameInArray,isEditing}from"./UIUtils.js";import treeoutlineStyles from"./treeoutline.css.legacy.js";const nodeToParentTreeElementMap=new WeakMap;export var Events;!function(e){e.ElementAttached="ElementAttached",e.ElementsDetached="ElementsDetached",e.ElementExpanded="ElementExpanded",e.ElementCollapsed="ElementCollapsed",e.ElementSelected="ElementSelected"}(Events||(Events={}));export class TreeOutline extends Common.ObjectWrapper.ObjectWrapper{rootElementInternal;renderSelection;selectedTreeElement;expandTreeElementsWhenArrowing;comparator;contentElement;preventTabOrder;showSelectionOnKeyboardFocus;focusable;element;useLightSelectionColor;treeElementToScrollIntoView;centerUponScrollIntoView;constructor(){super(),this.rootElementInternal=this.createRootElement(),this.renderSelection=!1,this.selectedTreeElement=null,this.expandTreeElementsWhenArrowing=!1,this.comparator=null,this.contentElement=this.rootElementInternal.childrenListNode,this.contentElement.addEventListener("keydown",this.treeKeyDown.bind(this),!1),this.preventTabOrder=!1,this.showSelectionOnKeyboardFocus=!1,this.focusable=!0,this.setFocusable(!0),this.element=this.contentElement,ARIAUtils.markAsTree(this.element),this.useLightSelectionColor=!1,this.treeElementToScrollIntoView=null,this.centerUponScrollIntoView=!1}setShowSelectionOnKeyboardFocus(e,t){this.contentElement.classList.toggle("hide-selection-when-blurred",e),this.preventTabOrder=Boolean(t),this.focusable&&(this.contentElement.tabIndex=Boolean(t)?-1:0),this.showSelectionOnKeyboardFocus=e}createRootElement(){const e=new TreeElement;return e.treeOutline=this,e.root=!0,e.selectable=!1,e.expanded=!0,e.childrenListNode.classList.remove("children"),e}rootElement(){return this.rootElementInternal}firstChild(){return this.rootElementInternal.firstChild()}lastDescendent(){let e=this.rootElementInternal.lastChild();for(;e&&e.expanded&&e.childCount();)e=e.lastChild();return e}appendChild(e,t){this.rootElementInternal.appendChild(e,t)}insertChild(e,t){this.rootElementInternal.insertChild(e,t)}removeChild(e){this.rootElementInternal.removeChild(e)}removeChildren(){this.rootElementInternal.removeChildren()}treeElementFromPoint(e,t){const n=deepElementFromPoint(this.contentElement.ownerDocument,e,t);if(!n)return null;const i=enclosingNodeOrSelfWithNodeNameInArray(n,["ol","li"]);return i&&(nodeToParentTreeElementMap.get(i)||treeElementBylistItemNode.get(i))||null}treeElementFromEvent(e){return e?this.treeElementFromPoint(e.pageX,e.pageY):null}setComparator(e){this.comparator=e}setFocusable(e){this.focusable=e,this.updateFocusable()}updateFocusable(){this.focusable?(this.contentElement.tabIndex=this.preventTabOrder||Boolean(this.selectedTreeElement)?-1:0,this.selectedTreeElement&&this.selectedTreeElement.setFocusable(!0)):(this.contentElement.removeAttribute("tabIndex"),this.selectedTreeElement&&this.selectedTreeElement.setFocusable(!1))}focus(){this.selectedTreeElement?this.selectedTreeElement.listItemElement.focus():this.contentElement.focus()}setUseLightSelectionColor(e){this.useLightSelectionColor=e}getUseLightSelectionColor(){return this.useLightSelectionColor}bindTreeElement(e){e.treeOutline&&console.error("Binding element for the second time: "+(new Error).stack),e.treeOutline=this,e.onbind()}unbindTreeElement(e){e.treeOutline||console.error("Unbinding element that was not bound: "+(new Error).stack),e.deselect(),e.onunbind(),e.treeOutline=null}selectPrevious(){let e=this.selectedTreeElement&&this.selectedTreeElement.traversePreviousTreeElement(!0);for(;e&&!e.selectable;)e=e.traversePreviousTreeElement(!this.expandTreeElementsWhenArrowing);return!!e&&(e.select(!1,!0),!0)}selectNext(){let e=this.selectedTreeElement&&this.selectedTreeElement.traverseNextTreeElement(!0);for(;e&&!e.selectable;)e=e.traverseNextTreeElement(!this.expandTreeElementsWhenArrowing);return!!e&&(e.select(!1,!0),!0)}forceSelect(e=!1,t=!0){this.selectedTreeElement&&this.selectedTreeElement.deselect(),this.selectFirst(e,t)}selectFirst(e=!1,t=!0){let n=this.firstChild();for(;n&&!n.selectable;)n=n.traverseNextTreeElement(!0);return!!n&&(n.select(e,t),!0)}selectLast(){let e=this.lastDescendent();for(;e&&!e.selectable;)e=e.traversePreviousTreeElement(!0);return!!e&&(e.select(!1,!0),!0)}treeKeyDown(e){if(e.shiftKey||e.metaKey||e.ctrlKey||isEditing())return;let t=!1;this.selectedTreeElement?"ArrowUp"!==e.key||e.altKey?"ArrowDown"!==e.key||e.altKey?"ArrowLeft"===e.key?t=this.selectedTreeElement.collapseOrAscend(e.altKey):"ArrowRight"===e.key?this.selectedTreeElement.revealed()?t=this.selectedTreeElement.descendOrExpand(e.altKey):(this.selectedTreeElement.reveal(),t=!0):8===e.keyCode||46===e.keyCode?t=this.selectedTreeElement.ondelete():"Enter"===e.key?t=this.selectedTreeElement.onenter():e.keyCode===Keys.Space.code?t=this.selectedTreeElement.onspace():"Home"===e.key?t=this.selectFirst():"End"===e.key&&(t=this.selectLast()):t=this.selectNext():t=this.selectPrevious():"ArrowUp"!==e.key||e.altKey?"ArrowDown"!==e.key||e.altKey||(t=this.selectFirst()):t=this.selectLast(),t&&e.consume(!0)}deferredScrollIntoView(e,t){const n=()=>{if(!this.treeElementToScrollIntoView)return;const e=this.treeElementToScrollIntoView.listItemElement.getBoundingClientRect(),t=this.contentElement.getBoundingClientRect();let n=this.element;for(;"visible"===getComputedStyle(n).overflow&&n.parentElement;)n=n.parentElement;const i=n.getBoundingClientRect(),l=i.left-t.left,s=i.top-t.top+this.contentElement.offsetTop;let r=e.left-t.left;r>l&&r<l+i.width?r=l:this.centerUponScrollIntoView&&(r-=i.width/2);let o=e.top-t.top;o>s&&o<s+i.height?o=s:this.centerUponScrollIntoView&&(o-=i.height/2),n.scrollTo(r,o),this.treeElementToScrollIntoView=null};this.treeElementToScrollIntoView||this.element.window().requestAnimationFrame(n),this.treeElementToScrollIntoView=e,this.centerUponScrollIntoView=t}onStartedEditingTitle(e){}}export class TreeOutlineInShadow extends TreeOutline{element;shadowRoot;disclosureElement;renderSelection;constructor(){super(),this.contentElement.classList.add("tree-outline"),this.element=document.createElement("div"),this.shadowRoot=Utils.createShadowRootWithCoreStyles(this.element,{cssFile:treeoutlineStyles,delegatesFocus:void 0}),this.disclosureElement=this.shadowRoot.createChild("div","tree-outline-disclosure"),this.disclosureElement.appendChild(this.contentElement),this.renderSelection=!0}registerRequiredCSS(e){ThemeSupport.ThemeSupport.instance().appendStyle(this.shadowRoot,e)}registerCSSFiles(e){this.shadowRoot.adoptedStyleSheets=this.shadowRoot.adoptedStyleSheets.concat(e)}hideOverflow(){this.disclosureElement.classList.add("tree-outline-disclosure-hide-overflow")}makeDense(){this.contentElement.classList.add("tree-outline-dense")}onStartedEditingTitle(e){const t=this.shadowRoot.getSelection();t&&t.selectAllChildren(e.titleElement)}}export const treeElementBylistItemNode=new WeakMap;export class TreeElement{treeOutline;parent;previousSibling;nextSibling;boundOnFocus;boundOnBlur;listItemNode;titleElement;titleInternal;childrenInternal;childrenListNode;hiddenInternal;selectableInternal;expanded;selected;expandable;#e=!0;collapsible;toggleOnClick;button;root;tooltipInternal;leadingIconsElement;trailingIconsElement;selectionElementInternal;disableSelectFocus;constructor(e,t){this.treeOutline=null,this.parent=null,this.previousSibling=null,this.nextSibling=null,this.boundOnFocus=this.onFocus.bind(this),this.boundOnBlur=this.onBlur.bind(this),this.listItemNode=document.createElement("li"),this.titleElement=this.listItemNode.createChild("span","tree-element-title"),treeElementBylistItemNode.set(this.listItemNode,this),this.titleInternal="",e&&(this.title=e),this.listItemNode.addEventListener("mousedown",this.handleMouseDown.bind(this),!1),this.listItemNode.addEventListener("click",this.treeElementToggled.bind(this),!1),this.listItemNode.addEventListener("dblclick",this.handleDoubleClick.bind(this),!1),ARIAUtils.markAsTreeitem(this.listItemNode),this.childrenInternal=null,this.childrenListNode=document.createElement("ol"),nodeToParentTreeElementMap.set(this.childrenListNode,this),this.childrenListNode.classList.add("children"),ARIAUtils.markAsGroup(this.childrenListNode),this.hiddenInternal=!1,this.selectableInternal=!0,this.expanded=!1,this.selected=!1,this.setExpandable(t||!1),this.collapsible=!0,this.toggleOnClick=!1,this.button=null,this.root=!1,this.tooltipInternal="",this.leadingIconsElement=null,this.trailingIconsElement=null,this.selectionElementInternal=null,this.disableSelectFocus=!1}static getTreeElementBylistItemNode(e){return treeElementBylistItemNode.get(e)}hasAncestor(e){if(!e)return!1;let t=this.parent;for(;t;){if(e===t)return!0;t=t.parent}return!1}hasAncestorOrSelf(e){return this===e||this.hasAncestor(e)}isHidden(){if(this.hidden)return!0;let e=this.parent;for(;e;){if(e.hidden)return!0;e=e.parent}return!1}children(){return this.childrenInternal||[]}childCount(){return this.childrenInternal?this.childrenInternal.length:0}firstChild(){return this.childrenInternal?this.childrenInternal[0]:null}lastChild(){return this.childrenInternal?this.childrenInternal[this.childrenInternal.length-1]:null}childAt(e){return this.childrenInternal?this.childrenInternal[e]:null}indexOfChild(e){return this.childrenInternal?this.childrenInternal.indexOf(e):-1}appendChild(e,t){let n;this.childrenInternal||(this.childrenInternal=[]),n=t?Platform.ArrayUtilities.lowerBound(this.childrenInternal,e,t):this.treeOutline&&this.treeOutline.comparator?Platform.ArrayUtilities.lowerBound(this.childrenInternal,e,this.treeOutline.comparator):this.childrenInternal.length,this.insertChild(e,n)}insertChild(e,t){if(this.childrenInternal||(this.childrenInternal=[]),!e)throw"child can't be undefined or null";console.assert(!e.parent,"Attempting to insert a child that is already in the tree, reparenting is not supported.");const n=t>0?this.childrenInternal[t-1]:null;n?(n.nextSibling=e,e.previousSibling=n):e.previousSibling=null;const i=this.childrenInternal[t];i?(i.previousSibling=e,e.nextSibling=i):e.nextSibling=null,this.childrenInternal.splice(t,0,e),this.setExpandable(!0),e.parent=this,this.treeOutline&&this.treeOutline.bindTreeElement(e);for(let t=e.firstChild();this.treeOutline&&t;t=t.traverseNextTreeElement(!1,e,!0))this.treeOutline.bindTreeElement(t);e.onattach(),e.ensureSelection(),this.treeOutline&&this.treeOutline.dispatchEventToListeners(Events.ElementAttached,e);const l=e.nextSibling?e.nextSibling.listItemNode:null;this.childrenListNode.insertBefore(e.listItemNode,l),this.childrenListNode.insertBefore(e.childrenListNode,l),e.selected&&e.select(),e.expanded&&e.expand()}removeChildAtIndex(e){if(!this.childrenInternal||e<0||e>=this.childrenInternal.length)throw"childIndex out of range";const t=this.childrenInternal[e];this.childrenInternal.splice(e,1);const n=t.parent;this.treeOutline&&this.treeOutline.selectedTreeElement&&this.treeOutline.selectedTreeElement.hasAncestorOrSelf(t)&&(t.nextSibling?t.nextSibling.select(!0):t.previousSibling?t.previousSibling.select(!0):n&&n.select(!0)),t.previousSibling&&(t.previousSibling.nextSibling=t.nextSibling),t.nextSibling&&(t.nextSibling.previousSibling=t.previousSibling),t.parent=null,this.treeOutline&&this.treeOutline.unbindTreeElement(t);for(let e=t.firstChild();this.treeOutline&&e;e=e.traverseNextTreeElement(!1,t,!0))this.treeOutline.unbindTreeElement(e);t.detach(),this.treeOutline&&this.treeOutline.dispatchEventToListeners(Events.ElementsDetached)}removeChild(e){if(!e)throw"child can't be undefined or null";if(e.parent!==this)return;const t=this.childrenInternal?this.childrenInternal.indexOf(e):-1;if(-1===t)throw"child not found in this node's children";this.removeChildAtIndex(t)}removeChildren(){if(!this.root&&this.treeOutline&&this.treeOutline.selectedTreeElement&&this.treeOutline.selectedTreeElement.hasAncestorOrSelf(this)&&this.select(!0),this.childrenInternal)for(const e of this.childrenInternal){e.previousSibling=null,e.nextSibling=null,e.parent=null,this.treeOutline&&this.treeOutline.unbindTreeElement(e);for(let t=e.firstChild();this.treeOutline&&t;t=t.traverseNextTreeElement(!1,e,!0))this.treeOutline.unbindTreeElement(t);e.detach()}this.childrenInternal=[],this.treeOutline&&this.treeOutline.dispatchEventToListeners(Events.ElementsDetached)}get selectable(){return!this.isHidden()&&this.selectableInternal}set selectable(e){this.selectableInternal=e}get listItemElement(){return this.listItemNode}get childrenListElement(){return this.childrenListNode}get title(){return this.titleInternal}set title(e){this.titleInternal!==e&&(this.titleInternal=e,"string"==typeof e?(this.titleElement.textContent=e,this.tooltip=e):(this.titleElement=e,this.tooltip=""),this.listItemNode.removeChildren(),this.leadingIconsElement&&this.listItemNode.appendChild(this.leadingIconsElement),this.listItemNode.appendChild(this.titleElement),this.trailingIconsElement&&this.listItemNode.appendChild(this.trailingIconsElement),this.ensureSelection())}titleAsText(){return this.titleInternal?"string"==typeof this.titleInternal?this.titleInternal:this.titleInternal.textContent||"":""}startEditingTitle(e){InplaceEditor.startEditing(this.titleElement,e),this.treeOutline&&this.treeOutline.onStartedEditingTitle(this)}setLeadingIcons(e){if(this.leadingIconsElement||e.length){this.leadingIconsElement||(this.leadingIconsElement=document.createElement("div"),this.leadingIconsElement.classList.add("leading-icons"),this.leadingIconsElement.classList.add("icons-container"),this.listItemNode.insertBefore(this.leadingIconsElement,this.titleElement),this.ensureSelection()),this.leadingIconsElement.removeChildren();for(const t of e)this.leadingIconsElement.appendChild(t)}}setTrailingIcons(e){if(this.trailingIconsElement||e.length){this.trailingIconsElement||(this.trailingIconsElement=document.createElement("div"),this.trailingIconsElement.classList.add("trailing-icons"),this.trailingIconsElement.classList.add("icons-container"),this.listItemNode.appendChild(this.trailingIconsElement),this.ensureSelection()),this.trailingIconsElement.removeChildren();for(const t of e)this.trailingIconsElement.appendChild(t)}}get tooltip(){return this.tooltipInternal}set tooltip(e){this.tooltipInternal!==e&&(this.tooltipInternal=e,Tooltip.install(this.listItemNode,e))}isExpandable(){return this.expandable}setExpandable(e){this.expandable!==e&&(this.expandable=e,this.listItemNode.classList.toggle("parent",e),e?ARIAUtils.setExpanded(this.listItemNode,!1):(this.collapse(),ARIAUtils.unsetExpandable(this.listItemNode)))}isExpandRecursively(){return this.#e}setExpandRecursively(e){this.#e=e}isCollapsible(){return this.collapsible}setCollapsible(e){this.collapsible!==e&&(this.collapsible=e,this.listItemNode.classList.toggle("always-parent",!e),e||this.expand())}get hidden(){return this.hiddenInternal}set hidden(e){if(this.hiddenInternal!==e&&(this.hiddenInternal=e,this.listItemNode.classList.toggle("hidden",e),this.childrenListNode.classList.toggle("hidden",e),e&&this.treeOutline&&this.treeOutline.selectedTreeElement&&this.treeOutline.selectedTreeElement.hasAncestorOrSelf(this))){const e=this.treeOutline.selectedTreeElement.listItemElement.hasFocus();this.treeOutline.forceSelect(!e,!1)}}invalidateChildren(){this.childrenInternal&&(this.removeChildren(),this.childrenInternal=null)}ensureSelection(){this.treeOutline&&this.treeOutline.renderSelection&&(this.selectionElementInternal||(this.selectionElementInternal=document.createElement("div"),this.selectionElementInternal.classList.add("selection"),this.selectionElementInternal.classList.add("fill")),this.listItemNode.insertBefore(this.selectionElementInternal,this.listItemElement.firstChild))}treeElementToggled(e){const t=e.currentTarget;if(!t||treeElementBylistItemNode.get(t)!==this||t.hasSelection())return;console.assert(Boolean(this.treeOutline));const n=!!this.treeOutline&&this.treeOutline.showSelectionOnKeyboardFocus,i=this.toggleOnClick&&(n||!this.selectable),l=this.isEventWithinDisclosureTriangle(e);(i||l)&&(this.expanded?e.altKey?this.collapseRecursively():this.collapse():e.altKey?this.expandRecursively():this.expand(),e.consume())}handleMouseDown(e){const t=e.currentTarget;t&&this.selectable&&treeElementBylistItemNode.get(t)===this&&(this.isEventWithinDisclosureTriangle(e)||this.selectOnMouseDown(e))}handleDoubleClick(e){const t=e.currentTarget;if(!t||treeElementBylistItemNode.get(t)!==this)return;this.ondblclick(e)||this.expandable&&!this.expanded&&this.expand()}detach(){this.listItemNode.remove(),this.childrenListNode.remove()}collapse(){if(!this.expanded||!this.collapsible)return;this.listItemNode.classList.remove("expanded"),this.childrenListNode.classList.remove("expanded"),ARIAUtils.setExpanded(this.listItemNode,!1),this.expanded=!1,this.oncollapse(),this.treeOutline&&this.treeOutline.dispatchEventToListeners(Events.ElementCollapsed,this);const e=this.treeOutline&&this.treeOutline.selectedTreeElement;e&&e.hasAncestor(this)&&this.select(!0,!0)}collapseRecursively(){let e=this;for(;e;)e.expanded&&e.collapse(),e=e.traverseNextTreeElement(!1,this,!0)}collapseChildren(){if(this.childrenInternal)for(const e of this.childrenInternal)e.collapseRecursively()}expand(){!this.expandable||this.expanded&&this.childrenInternal||(this.expanded=!0,this.populateIfNeeded(),this.listItemNode.classList.add("expanded"),this.childrenListNode.classList.add("expanded"),ARIAUtils.setExpanded(this.listItemNode,!0),this.treeOutline&&(this.onexpand(),this.treeOutline.dispatchEventToListeners(Events.ElementExpanded,this)))}async expandRecursively(e){let t=this;const n={depthChange:0};let i=0;(void 0===e||isNaN(e))&&(e=3);do{t.isExpandRecursively()&&(await t.populateIfNeeded(),i<e&&t.expand()),t=t.traverseNextTreeElement(!t.isExpandRecursively(),this,!0,n),i+=n.depthChange}while(null!==t)}collapseOrAscend(e){if(this.expanded&&this.collapsible)return e?this.collapseRecursively():this.collapse(),!0;if(!this.parent||this.parent.root)return!1;if(!this.parent.selectable)return this.parent.collapse(),!0;let t=this.parent;for(;t&&!t.selectable;)t=t.parent;return!!t&&(t.select(!1,!0),!0)}descendOrExpand(e){if(!this.expandable)return!1;if(!this.expanded)return e?this.expandRecursively():this.expand(),!0;let t=this.firstChild();for(;t&&!t.selectable;)t=t.nextSibling;return!!t&&(t.select(!1,!0),!0)}reveal(e){let t=this.parent;for(;t&&!t.root;)t.expanded||t.expand(),t=t.parent;this.treeOutline&&this.treeOutline.deferredScrollIntoView(this,Boolean(e))}revealed(){let e=this.parent;for(;e&&!e.root;){if(!e.expanded)return!1;e=e.parent}return!0}selectOnMouseDown(e){if(this.select(!1,!0)&&e.consume(!0),this.listItemNode.draggable&&this.selectionElementInternal&&this.treeOutline){const e=this.treeOutline.element.getBoundingClientRect().left-this.listItemNode.getBoundingClientRect().left-this.treeOutline.element.scrollLeft;this.selectionElementInternal.style.setProperty("margin-left",e+"px")}}select(e,t){if(e=e||this.disableSelectFocus,!this.treeOutline||!this.selectable||this.selected)return e||this.listItemElement.focus(),!1;const n=this.treeOutline.selectedTreeElement;return this.treeOutline.selectedTreeElement=null,this.treeOutline.rootElementInternal===this?(n&&n.deselect(),e||this.listItemElement.focus(),!1):(this.selected=!0,this.treeOutline.selectedTreeElement=this,this.treeOutline.updateFocusable(),e&&!this.treeOutline.contentElement.hasFocus()||this.listItemElement.focus(),this.listItemNode.classList.add("selected"),ARIAUtils.setSelected(this.listItemNode,!0),this.treeOutline.dispatchEventToListeners(Events.ElementSelected,this),n&&n.deselect(),this.onselect(t))}setFocusable(e){e?(this.listItemNode.setAttribute("tabIndex",this.treeOutline&&this.treeOutline.preventTabOrder?"-1":"0"),this.listItemNode.addEventListener("focus",this.boundOnFocus,!1),this.listItemNode.addEventListener("blur",this.boundOnBlur,!1)):(this.listItemNode.removeAttribute("tabIndex"),this.listItemNode.removeEventListener("focus",this.boundOnFocus,!1),this.listItemNode.removeEventListener("blur",this.boundOnBlur,!1))}onFocus(){this.treeOutline&&!this.treeOutline.getUseLightSelectionColor()&&(this.treeOutline.contentElement.classList.contains("hide-selection-when-blurred")||this.listItemNode.classList.add("force-white-icons"))}onBlur(){this.treeOutline&&!this.treeOutline.getUseLightSelectionColor()&&(this.treeOutline.contentElement.classList.contains("hide-selection-when-blurred")||this.listItemNode.classList.remove("force-white-icons"))}revealAndSelect(e){this.reveal(!0),this.select(e)}deselect(){const e=this.listItemNode.hasFocus();this.selected=!1,this.listItemNode.classList.remove("selected"),ARIAUtils.clearSelected(this.listItemNode),this.setFocusable(!1),this.treeOutline&&this.treeOutline.selectedTreeElement===this&&(this.treeOutline.selectedTreeElement=null,this.treeOutline.updateFocusable(),e&&this.treeOutline.focus())}async populateIfNeeded(){this.treeOutline&&this.expandable&&!this.childrenInternal&&(this.childrenInternal=[],await this.onpopulate())}async onpopulate(){}onenter(){return!1}ondelete(){return!1}onspace(){return!1}onbind(){}onunbind(){}onattach(){}onexpand(){}oncollapse(){}ondblclick(e){return!1}onselect(e){return!1}traverseNextTreeElement(e,t,n,i){n||this.populateIfNeeded(),i&&(i.depthChange=0);let l=e?this.revealed()?this.firstChild():null:this.firstChild();if(l&&(!e||e&&this.expanded))return i&&(i.depthChange=1),l;if(this===t)return null;if(l=e?this.revealed()?this.nextSibling:null:this.nextSibling,l)return l;for(l=this;l&&!l.root&&!(e?l.revealed()&&l.nextSibling:l.nextSibling)&&l.parent!==t;)i&&(i.depthChange-=1),l=l.parent;return!l||l.root?null:e?l.revealed()?l.nextSibling:null:l.nextSibling}traversePreviousTreeElement(e,t){let n=e?this.revealed()?this.previousSibling:null:this.previousSibling;for(!t&&n&&n.populateIfNeeded();n&&(e?n.revealed()&&n.expanded&&n.lastChild():n.lastChild());)t||n.populateIfNeeded(),n=e?n.revealed()&&n.expanded?n.lastChild():null:n.lastChild();return n||(!this.parent||this.parent.root?null:this.parent)}isEventWithinDisclosureTriangle(e){const t=window.getComputedStyle(this.listItemNode).paddingLeft;console.assert(t.endsWith("px"));const n=parseFloat(t),i=this.listItemNode.getBoundingClientRect().left+n;return e.pageX>=i&&e.pageX<=i+10&&this.expandable}setDisableSelectFocus(e){this.disableSelectFocus=e}}