.. role:: clio-static
   :class: clio-flag clio-flag-static


####################
HoopsTreeItemElement
####################

.. js:class:: ui.treeItem.HoopsTreeItemElement

   
   Index
   =====
   
   .. rubric:: Constructors
   
   
   .. rst-class:: api-xref-list
   
   
   * :js:func:`~ui.treeItem.HoopsTreeItemElement.constructor`
   
   .. rubric:: Properties
   
   
   .. rst-class:: api-xref-list
   
   
   * :js:data:`~ui.treeItem.HoopsTreeItemElement.styles`
   * :js:data:`~ui.treeItem.HoopsTreeItemElement.expanded`
   * :js:data:`~ui.treeItem.HoopsTreeItemElement.hidden`
   * :js:data:`~ui.treeItem.HoopsTreeItemElement.leaf`
   * :js:data:`~ui.treeItem.HoopsTreeItemElement.noAnim`
   * :js:data:`~ui.treeItem.HoopsTreeItemElement.selected`
   
   .. rubric:: Methods
   
   
   .. rst-class:: api-xref-list
   
   
   * :js:meth:`~ui.treeItem.HoopsTreeItemElement.render`
   * :js:meth:`~ui.treeItem.HoopsTreeItemElement.willUpdate`
   
   



.. rst-class:: kind-group kind-constructors

.. rubric:: Constructors
   :class: kind-group-title


.. js:method:: ui.treeItem.HoopsTreeItemElement.constructor

      .. rst-class:: sig-pretty-signature
      
         | HoopsTreeItemElement(): :js:class:`HoopsTreeItemElement <ui.treeItem.HoopsTreeItemElement>`
      
      **Returns**\ : :js:class:`HoopsTreeItemElement <ui.treeItem.HoopsTreeItemElement>`
      



.. rst-class:: kind-group kind-properties

.. rubric:: Properties
   :class: kind-group-title


.. js:data:: ui.treeItem.HoopsTreeItemElement.styles

      .. rst-class:: clio-flags
      
         :clio-static:`static`
      
      .. rst-class:: sig-pretty-signature
      
         | styles: *CSSResult*\ []
      
      Array of styles to apply to the element. The styles should be defined using the ? tag function, via constructible stylesheets, or imported from native CSS module scripts.
      
      Note on Content Security Policy:
      
      Element styles are implemented with ``<style>`` tags when the browser doesn't support adopted StyleSheets. To use such ``<style>`` tags with the style-src CSP directive, the style-src value must either include 'unsafe-inline' or ``nonce-<base64-value>`` with ``<base64-value>`` replaced be a server-generated nonce.
      
      To provide a nonce to use on generated ``<style>`` elements, set ``window.litNonce`` to a server-generated nonce in your page's HTML, before loading application code:
      
      .. code-block:: html
      
         <script>
           // Generated and unique per request:
           window.litNonce = 'a1b2c3d4';
         </script>
      



.. js:data:: ui.treeItem.HoopsTreeItemElement.expanded

      .. rst-class:: sig-pretty-signature
      
         | expanded: *boolean*
      



.. js:data:: ui.treeItem.HoopsTreeItemElement.hidden

      .. rst-class:: sig-pretty-signature
      
         | hidden: *boolean*
      
      `MDN Reference <https://developer.mozilla.org/docs/Web/API/HTMLElement/hidden>`__
      



.. js:data:: ui.treeItem.HoopsTreeItemElement.leaf

      .. rst-class:: sig-pretty-signature
      
         | leaf: *boolean*
      



.. js:data:: ui.treeItem.HoopsTreeItemElement.noAnim

      .. rst-class:: sig-pretty-signature
      
         | noAnim: *boolean*
      



.. js:data:: ui.treeItem.HoopsTreeItemElement.selected

      .. rst-class:: sig-pretty-signature
      
         | selected: *boolean*
      



.. rst-class:: kind-group kind-methods

.. rubric:: Methods
   :class: kind-group-title


.. js:method:: ui.treeItem.HoopsTreeItemElement.render

      .. rst-class:: sig-pretty-signature
      
         | render(): *unknown*
      
      Invoked on each update to perform rendering tasks. This method may return any value renderable by lit-html's ``ChildPart`` - typically a ``TemplateResult``\ . Setting properties inside this method will *not* trigger the element to update.
      
      **Returns**\ : *unknown*
      



.. js:method:: ui.treeItem.HoopsTreeItemElement.willUpdate

      .. rst-class:: sig-pretty-signature
      
         | willUpdate(**_**\ : (*PropertyValueMap* | *Map*\ )): *void*
      
      Invoked before ``update()`` to compute values needed during the update.
      
      Implement ``willUpdate`` to compute property values that depend on other properties and are used in the rest of the update process.
      
      .. code-block:: ts
      
         willUpdate(changedProperties) {
           // only need to check changed properties for an expensive computation.
           if (changedProperties.has('firstName') || changedProperties.has('lastName')) {
             this.sha = computeSHA(`${this.firstName} ${this.lastName}`);
           }
         }
         
         render() {
           return html`SHA: ${this.sha}`;
         }
      
      **Parameters**
      
      
         **\_**\ : (*PropertyValueMap* \| *Map*\ )
      
      
      **Returns**\ : *void*
      




