Navigation Panels
OpenPencil sidebars usually combine two concerns:
- page navigation
- layer navigation
The Vue SDK provides headless primitives for both.
Page navigation
Use PageListRoot or usePageList().
vue
<PageListRoot v-slot="{ pages, currentPageId, switchPage, addPage }">
<div>
<button v-for="page in pages" :key="page.id" @click="switchPage(page.id)">
{{ page.name }}
</button>
<button @click="addPage()">New page</button>
</div>
</PageListRoot>Layer navigation
Use LayerTreeRoot when you want SDK-managed tree structure but app-owned presentation.
vue
<LayerTreeRoot v-slot="{ items, selectedIds, select, toggleExpand, getKey, getChildren }">
<TreeView
:items="items"
:selected-ids="selectedIds"
:get-key="getKey"
:get-children="getChildren"
@select="select"
@toggle-expand="toggleExpand"
/>
</LayerTreeRoot>Practical pattern
A common layout is:
- pages at the top of the sidebar
- layers below
- details or inline rename controls embedded in your row components