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@rxap/tree

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This package provides a tree component and data source for Angular applications. It includes features such as searching, filtering, and displaying hierarchical data. The package also offers directives for customizing the content of tree nodes.

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<!doctype html> <html class="no-js" lang=""> <head> <meta charset="utf-8"> <meta http-equiv="x-ua-compatible" content="ie=edge"> <title>angular-tree</title> <meta name="description" content=""> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="icon" type="image/x-icon" href="../images/favicon.ico"> <link rel="stylesheet" href="../styles/style.css"> <link rel="stylesheet" href="../styles/dark.css"> </head> <body> <script> // Blocking script to avoid flickering dark mode // Dark mode toggle button var useDark = window.matchMedia('(prefers-color-scheme: dark)'); var darkModeState = useDark.matches; var $darkModeToggleSwitchers = document.querySelectorAll('.dark-mode-switch input'); var $darkModeToggles = document.querySelectorAll('.dark-mode-switch'); var darkModeStateLocal = localStorage.getItem('compodoc_darkmode-state'); function checkToggle(check) { for (var i = 0; i < $darkModeToggleSwitchers.length; i++) { $darkModeToggleSwitchers[i].checked = check; } } function toggleDarkMode(state) { if (window.localStorage) { localStorage.setItem('compodoc_darkmode-state', state); } checkToggle(state); const hasClass = document.body.classList.contains('dark'); if (state) { for (var i = 0; i < $darkModeToggles.length; i++) { $darkModeToggles[i].classList.add('dark'); } if (!hasClass) { document.body.classList.add('dark'); } } else { for (var i = 0; i < $darkModeToggles.length; i++) { $darkModeToggles[i].classList.remove('dark'); } if (hasClass) { document.body.classList.remove('dark'); } } } useDark.addEventListener('change', function (evt) { toggleDarkMode(evt.matches); }); if (darkModeStateLocal) { darkModeState = darkModeStateLocal === 'true'; } toggleDarkMode(darkModeState); </script> <div class="navbar navbar-default navbar-fixed-top d-md-none p-0"> <div class="d-flex"> <a href="../" class="navbar-brand">angular-tree</a> <button type="button" class="btn btn-default btn-menu ion-ios-menu" id="btn-menu"></button> </div> </div> <div class="xs-menu menu" id="mobile-menu"> <div id="book-search-input" role="search"><input type="text" placeholder="Type to search"></div> <compodoc-menu></compodoc-menu> </div> <div class="container-fluid main"> <div class="row main"> <div class="d-none d-md-block menu"> <compodoc-menu mode="normal"></compodoc-menu> </div> <!-- START CONTENT --> <div class="content component"> <div class="content-data"> <ol class="breadcrumb"> <li class="breadcrumb-item">Components</li> <li class="breadcrumb-item" > TreeComponent</li> </ol> <ul class="nav nav-tabs" role="tablist"> <li class="nav-item"> <a href="#info" class="nav-link active" role="tab" id="info-tab" data-bs-toggle="tab" data-link="info">Info</a> </li> <li class="nav-item"> <a href="#source" class="nav-link" role="tab" id="source-tab" data-bs-toggle="tab" data-link="source">Source</a> </li> <li class="nav-item"> <a href="#templateData" class="nav-link" role="tab" id="templateData-tab" data-bs-toggle="tab" data-link="template">Template</a> </li> <li class="nav-item"> <a href="#styleData" class="nav-link" role="tab" id="styleData-tab" data-bs-toggle="tab" data-link="style">Styles</a> </li> <li class="nav-item"> <a href="#tree" class="nav-link" role="tab" id="tree-tab" data-bs-toggle="tab" data-link="dom-tree">DOM Tree</a> </li> </ul> <div class="tab-content"> <div class="tab-pane fade active in" id="info"><p class="comment"> <h3>File</h3> </p> <p class="comment"> <code>src/lib/tree.component.ts</code> </p> <p class="comment"> <h3>Implements</h3> </p> <p class="comment"> <code>OnInit</code> <code>AfterContentInit</code> </p> <section data-compodoc="block-metadata"> <h3>Metadata</h3> <table class="table table-sm table-hover metadata"> <tbody> <tr> <td class="col-md-3">changeDetection</td> <td class="col-md-9"><code>ChangeDetectionStrategy.OnPush</code></td> </tr> <tr> <td class="col-md-3">selector</td> <td class="col-md-9"><code>rxap-tree</code></td> </tr> <tr> <td class="col-md-3">imports</td> <td class="col-md-9"> <code>NgStyle</code> <code>NgIf</code> <code>MatProgressBarModule</code> <code>MatTreeModule</code> <code>MatIconModule</code> <code>IconDirective</code> <code>MatCheckboxModule</code> <code>MatButtonModule</code> <code>ContenteditableDirective</code> <code>MatProgressSpinnerModule</code> <code>MatDividerModule</code> <code>PortalModule</code> <code>AsyncPipe</code> <code>NgClass</code> <code>NgForOf</code> </td> </tr> <tr> <td class="col-md-3">styleUrls</td> <td class="col-md-9"><code>./tree.component.scss</code></td> </tr> <tr> <td class="col-md-3">templateUrl</td> <td class="col-md-9"><code>./tree.component.html</code></td> </tr> </tbody> </table> </section> <section data-compodoc="block-index"> <h3 id="index">Index</h3> <table class="table table-sm table-bordered index-table"> <tbody> <tr> <td class="col-md-4"> <h6><b>Properties</b></h6> </td> </tr> <tr> <td class="col-md-4"> <ul class="index-list"> <li> <span class="modifier"></span> <span class="modifier">Public</span> <span class="modifier">Optional</span> <a href="#content" >content</a> </li> <li> <span class="modifier">Public</span> <a href="#getLevel" >getLevel</a> </li> <li> <span class="modifier">Public</span> <a href="#hasChild" >hasChild</a> </li> <li> <span class="modifier">Public</span> <a href="#isExpandable" >isExpandable</a> </li> <li> <span class="modifier">Public</span> <a href="#portal" >portal</a> </li> <li> <span class="modifier"></span> <span class="modifier"></span> <span class="modifier">Public</span> <span class="modifier">Readonly</span> <a href="#searchForm" >searchForm</a> </li> <li> <span class="modifier">Public</span> <span class="modifier">Readonly</span> <a href="#showTreeNavigation" >showTreeNavigation</a> </li> <li> <span class="modifier"></span> <span class="modifier">Public</span> <a href="#treeContainer" >treeContainer</a> </li> <li> <span class="modifier">Public</span> <a href="#treeControl" >treeControl</a> </li> </ul> </td> </tr> <tr> <td class="col-md-4"> <h6><b>Methods</b></h6> </td> </tr> <tr> <td class="col-md-4"> <ul class="index-list"> <li> <span class="modifier">Public</span> <a href="#onContentEditableChange" >onContentEditableChange</a> </li> <li> <a href="#onMousedown" >onMousedown</a> </li> <li> <span class="modifier"></span> <a href="#onMousemove" >onMousemove</a> </li> <li> <span class="modifier"></span> <a href="#onMouseup" >onMouseup</a> </li> <li> <span class="modifier"></span> <span class="modifier">Public</span> <a href="#openDetails" >openDetails</a> </li> <li> <a href="#toggleTreeNavigation" >toggleTreeNavigation</a> </li> </ul> </td> </tr> <tr> <td class="col-md-4"> <h6><b>Inputs</b></h6> </td> </tr> <tr> <td class="col-md-4"> <ul class="index-list"> <li> <a href="#contentEditableMethod" >contentEditableMethod</a> </li> <li> <a href="#dataSource" >dataSource</a> </li> <li> <a href="#dividerOffset" >dividerOffset</a> </li> <li> <a href="#getIcon" >getIcon</a> </li> <li> <a href="#getStyle" >getStyle</a> </li> <li> <a href="#getType" >getType</a> </li> <li> <a href="#hasDetails" >hasDetails</a> </li> <li> <a href="#hideLeafIcon" >hideLeafIcon</a> </li> <li> <a href="#id" >id</a> </li> <li> <a href="#multiple" >multiple</a> </li> <li> <a href="#toDisplay" >toDisplay</a> </li> </ul> </td> </tr> <tr> <td class="col-md-4"> <h6><b>Outputs</b></h6> </td> </tr> <tr> <td class="col-md-4"> <ul class="index-list"> <li> <a href="#details" >details</a> </li> </ul> </td> </tr> <tr> <td class="col-md-4"> <h6><b>HostListeners</b></h6> </td> </tr> <tr> <td class="col-md-4"> <ul class="index-list"> <li> <a href="#mousemove" >mousemove</a> </li> <li> <a href="#mouseup" >mouseup</a> </li> </ul> </td> </tr> <tr> <td class="col-md-4"> <h6><b>Accessors</b></h6> </td> </tr> <tr> <td class="col-md-4"> <ul class="index-list"> <li> <a href="#nodeDisplayEditable" >nodeDisplayEditable</a> </li> <li> <a href="#cacheId" >cacheId</a> </li> </ul> </td> </tr> </tbody> </table> </section> <section data-compodoc="block-constructor"> <h3 id="constructor">Constructor</h3> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <code>constructor(viewContainerRef: ViewContainerRef, cdr: ChangeDetectorRef, contentEditableMethod: Method<any | string | null> | null, renderer: Renderer2, elementRef: ElementRef<HTMLElement>, searchForm: <a href="../injectables/SearchForm.html" target="_self">SearchForm | null</a>)</code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="136" class="link-to-prism">src/lib/tree.component.ts:136</a></div> </td> </tr> <tr> <td class="col-md-4"> <div> <b>Parameters :</b> <table class="params"> <thead> <tr> <td>Name</td> <td>Type</td> <td>Optional</td> </tr> </thead> <tbody> <tr> <td>viewContainerRef</td> <td> <code>ViewContainerRef</code> </td> <td> No </td> </tr> <tr> <td>cdr</td> <td> <code>ChangeDetectorRef</code> </td> <td> No </td> </tr> <tr> <td>contentEditableMethod</td> <td> <code>Method&lt;any | string | null&gt; | null</code> </td> <td> No </td> </tr> <tr> <td>renderer</td> <td> <code>Renderer2</code> </td> <td> No </td> </tr> <tr> <td>elementRef</td> <td> <code>ElementRef&lt;HTMLElement&gt;</code> </td> <td> No </td> </tr> <tr> <td>searchForm</td> <td> <code><a href="../injectables/SearchForm.html" target="_self" >SearchForm | null</a></code> </td> <td> No </td> </tr> </tbody> </table> </div> </td> </tr> </tbody> </table> </section> <section data-compodoc="block-inputs"> <h3 id="inputs">Inputs</h3> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="contentEditableMethod"></a> <b>contentEditableMethod</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code>Method&lt;any | string | null&gt; | null</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="96" class="link-to-prism">src/lib/tree.component.ts:96</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="dataSource"></a> <b>dataSource</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code><a href="../injectables/TreeDataSource.html" target="_self" >TreeDataSource&lt;Data&gt;</a></code> </td> </tr> <tr> <td class="col-md-4"> <i>Required : </i>&nbsp;<b>true</b> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="94" class="link-to-prism">src/lib/tree.component.ts:94</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="dividerOffset"></a> <b>dividerOffset</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code> </td> </tr> <tr> <td class="col-md-4"> <i>Default value : </i><code>&#x27;256px&#x27;</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="118" class="link-to-prism">src/lib/tree.component.ts:118</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="getIcon"></a> <b>getIcon</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code>NodeGetIconFunction&lt;any&gt;</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="100" class="link-to-prism">src/lib/tree.component.ts:100</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="getStyle"></a> <b>getStyle</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code>NodeGetStyleFunction&lt;any&gt;</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="104" class="link-to-prism">src/lib/tree.component.ts:104</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="getType"></a> <b>getType</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code>NodeGetTypeFunction&lt;any&gt;</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="102" class="link-to-prism">src/lib/tree.component.ts:102</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="hasDetails"></a> <b>hasDetails</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code>NodeHasDetailsFunction&lt;any&gt;</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="108" class="link-to-prism">src/lib/tree.component.ts:108</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="hideLeafIcon"></a> <b>hideLeafIcon</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code> </td> </tr> <tr> <td class="col-md-4"> <i>Default value : </i><code>false</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="112" class="link-to-prism">src/lib/tree.component.ts:112</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="id"></a> <b>id</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="114" class="link-to-prism">src/lib/tree.component.ts:114</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="multiple"></a> <b>multiple</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code> </td> </tr> <tr> <td class="col-md-4"> <i>Default value : </i><code>false</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="106" class="link-to-prism">src/lib/tree.component.ts:106</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="toDisplay"></a> <b>toDisplay</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code>NodeToDisplayFunction&lt;any&gt;</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="98" class="link-to-prism">src/lib/tree.component.ts:98</a></div> </td> </tr> </tbody> </table> </section> <section data-compodoc="block-outputs"> <h3 id="outputs">Outputs</h3> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="details"></a> <b>details</b> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code>EventEmitter</code> </td> </tr> <tr> <td class="col-md-2" colspan="2"> <div class="io-line">Defined in <a href="" data-line="116" class="link-to-prism">src/lib/tree.component.ts:116</a></div> </td> </tr> </tbody> </table> </section> <section data-compodoc="block-methods"> <h3>HostListeners</h3> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="mousemove"></a> <span class="name"> <span ><b>mousemove</b></span> <a href="#mousemove"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <i>Arguments : </i><code>'$event' </code> </td> </tr> <tr> <td class="col-md-4"> <code>mousemove($event: MouseEvent)</code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="235" class="link-to-prism">src/lib/tree.component.ts:235</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="mouseup"></a> <span class="name"> <span ><b>mouseup</b></span> <a href="#mouseup"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <code>mouseup()</code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="230" class="link-to-prism">src/lib/tree.component.ts:230</a></div> </td> </tr> </tbody> </table> </section> <section data-compodoc="block-methods"> <h3 id="methods"> Methods </h3> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="onContentEditableChange"></a> <span class="name"> <span class="modifier">Public</span> <span ><b>onContentEditableChange</b></span> <a href="#onContentEditableChange"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <span class="modifier-icon icon ion-ios-reset"></span> <code>onContentEditableChange(value: string | null, node: Node<Data>)</code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="220" class="link-to-prism">src/lib/tree.component.ts:220</a></div> </td> </tr> <tr> <td class="col-md-4"> <div class="io-description"> <b>Parameters :</b> <table class="params"> <thead> <tr> <td>Name</td> <td>Type</td> <td>Optional</td> </tr> </thead> <tbody> <tr> <td>value</td> <td> <code>string | null</code> </td> <td> No </td> </tr> <tr> <td>node</td> <td> <code>Node&lt;Data&gt;</code> </td> <td> No </td> </tr> </tbody> </table> </div> <div class="io-description"> <b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code> </div> <div class="io-description"> </div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="onMousedown"></a> <span class="name"> <span ><b>onMousedown</b></span> <a href="#onMousedown"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <code>onMousedown()</code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="225" class="link-to-prism">src/lib/tree.component.ts:225</a></div> </td> </tr> <tr> <td class="col-md-4"> <div class="io-description"> <b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code> </div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="onMousemove"></a> <span class="name"> <span class="modifier"></span> <span ><b>onMousemove</b></span> <a href="#onMousemove"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <span class="modifier-icon icon ion-ios-reset"></span> <code>onMousemove($event: MouseEvent)</code> </td> </tr> <tr> <td class="col-md-4"> <b>Decorators : </b> <br /> <code>@HostListener(&#x27;mousemove&#x27;, [&#x27;$event&#x27;])<br /></code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="235" class="link-to-prism">src/lib/tree.component.ts:235</a></div> </td> </tr> <tr> <td class="col-md-4"> <div class="io-description"> <b>Parameters :</b> <table class="params"> <thead> <tr> <td>Name</td> <td>Type</td> <td>Optional</td> </tr> </thead> <tbody> <tr> <td>$event</td> <td> <code>MouseEvent</code> </td> <td> No </td> </tr> </tbody> </table> </div> <div class="io-description"> <b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code> </div> <div class="io-description"> </div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="onMouseup"></a> <span class="name"> <span class="modifier"></span> <span ><b>onMouseup</b></span> <a href="#onMouseup"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <span class="modifier-icon icon ion-ios-reset"></span> <code>onMouseup()</code> </td> </tr> <tr> <td class="col-md-4"> <b>Decorators : </b> <br /> <code>@HostListener(&#x27;mouseup&#x27;)<br /></code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="230" class="link-to-prism">src/lib/tree.component.ts:230</a></div> </td> </tr> <tr> <td class="col-md-4"> <div class="io-description"> <b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code> </div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="openDetails"></a> <span class="name"> <span class="modifier"></span> <span class="modifier">Public</span> <span ><b>openDetails</b></span> <a href="#openDetails"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <span class="modifier-icon icon ion-ios-reset"></span> <code>openDetails(node: Node<Data>)</code> </td> </tr> <tr> <td class="col-md-4"> <b>Decorators : </b> <br /> <code>@DebounceCall(100)<br /></code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="205" class="link-to-prism">src/lib/tree.component.ts:205</a></div> </td> </tr> <tr> <td class="col-md-4"> <div class="io-description"> <b>Parameters :</b> <table class="params"> <thead> <tr> <td>Name</td> <td>Type</td> <td>Optional</td> </tr> </thead> <tbody> <tr> <td>node</td> <td> <code>Node&lt;Data&gt;</code> </td> <td> No </td> </tr> </tbody> </table> </div> <div class="io-description"> <b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code> </div> <div class="io-description"> </div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="toggleTreeNavigation"></a> <span class="name"> <span ><b>toggleTreeNavigation</b></span> <a href="#toggleTreeNavigation"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <code>toggleTreeNavigation()</code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="249" class="link-to-prism">src/lib/tree.component.ts:249</a></div> </td> </tr> <tr> <td class="col-md-4"> <div class="io-description"> <b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code> </div> </td> </tr> </tbody> </table> </section> <section data-compodoc="block-properties"> <h3 id="inputs"> Properties </h3> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="content"></a> <span class="name"> <span class="modifier"></span> <span class="modifier">Public</span> <span class="modifier">Optional</span> <span ><b>content</b></span> <a href="#content"><span class="icon ion-ios-link"></span></a> </span> </td> </tr> <tr> <td class="col-md-4"> <i>Type : </i> <code><a href="../directives/TreeContentDirective.html" target="_self" >TreeContentDirective</a></code> </td> </tr> <tr> <td class="col-md-4"> <b>Decorators : </b> <br /> <code> @ContentChild(TreeContentDirective, {static: true})<br /> </code> </td> </tr> <tr> <td class="col-md-4"> <div class="io-line">Defined in <a href="" data-line="110" class="link-to-prism">src/lib/tree.component.ts:110</a></div> </td> </tr> </tbody> </table> <table class="table table-sm table-bordered"> <tbody> <tr> <td class="col-md-4"> <a name="getLevel"></a>