budibase/packages/builder/src/components/design/NavigationPanel/ComponentNavigationTree/ComponentTree.svelte

107 lines
3.1 KiB
Svelte

<script>
import { goto } from "@roxi/routify"
import { store, currentAssetId } from "builderStore"
import { DropEffect, DropPosition } from "./dragDropStore"
import ComponentDropdownMenu from "../ComponentDropdownMenu.svelte"
import NavItem from "components/common/NavItem.svelte"
export let components = []
export let currentComponent
export let onSelect = () => {}
export let level = 0
export let dragDropStore
const isScreenslot = name => name?.endsWith("screenslot")
const selectComponent = component => {
store.actions.components.select(component)
}
const dragstart = component => e => {
e.dataTransfer.dropEffect = DropEffect.MOVE
dragDropStore.actions.dragstart(component)
}
const dragover = (component, index) => e => {
const definition = store.actions.components.getDefinition(
component._component
)
const canHaveChildrenButIsEmpty =
definition?.hasChildren && !component._children?.length
e.dataTransfer.dropEffect = DropEffect.COPY
// how far down the mouse pointer is on the drop target
const mousePosition = e.offsetY / e.currentTarget.offsetHeight
dragDropStore.actions.dragover({
component,
index,
canHaveChildrenButIsEmpty,
mousePosition,
})
return false
}
</script>
<ul>
{#each components as component, index (component._id)}
<li on:click|stopPropagation={() => selectComponent(component)}>
{#if $dragDropStore?.targetComponent === component && $dragDropStore.dropPosition === DropPosition.ABOVE}
<div
on:drop={dragDropStore.actions.drop}
ondragover="return false"
ondragenter="return false"
class="drop-item"
style="margin-left: {(level + 1) * 16}px" />
{/if}
<NavItem
draggable
on:dragend={dragDropStore.actions.reset}
on:dragstart={dragstart(component)}
on:dragover={dragover(component, index)}
on:drop={dragDropStore.actions.drop}
text={isScreenslot(component._component) ? 'Screenslot' : component._instanceName}
withArrow
indentLevel={level + 1}
selected={$store.selectedComponentId === component._id}>
<ComponentDropdownMenu {component} />
</NavItem>
{#if component._children}
<svelte:self
components={component._children}
{currentComponent}
{onSelect}
{dragDropStore}
level={level + 1} />
{/if}
{#if $dragDropStore?.targetComponent === component && ($dragDropStore.dropPosition === DropPosition.INSIDE || $dragDropStore.dropPosition === DropPosition.BELOW)}
<div
on:drop={dragDropStore.actions.drop}
ondragover="return false"
ondragenter="return false"
class="drop-item"
style="margin-left: {(level + ($dragDropStore.dropPosition === DropPosition.INSIDE ? 3 : 1)) * 16}px" />
{/if}
</li>
{/each}
</ul>
<style>
ul {
list-style: none;
padding-left: 0;
margin: 0;
}
.drop-item {
border-radius: var(--border-radius-m);
height: 32px;
background: var(--grey-3);
}
</style>