Gebruik
Gebruik de boomcomponent om een hiërarchische structuur van items weer te geven.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template>Items
Gebruik de items prop als een array van objecten met de volgende eigenschappen:
icon?: stringlabel?: stringtrailingIcon?: stringdefaultExpanded?: booleandisabled?: booleanslot?: stringchildren?: TreeItem[]onToggle?: (e: TreeItemToggleEvent<TreeItem>) => voidonSelect?: (e: TreeItemSelectEvent<TreeItem>) => voidclass?: anyui?: { item?: ClassNameValue, itemWithChildren?: ClassNameValue, link?: ClassNameValue, linkLeadingIcon?: ClassNameValue, linkLabel?: ClassNameValue, linkTrailing?: ClassNameValue, linkTrailingIcon?: ClassNameValue, listWithChildren?: ClassNameValue }
label prop als identificatie als er geen get-key is opgegeven.
Idealiter zou u een get-key-functieprop moeten bieden om een unieke identificatie te retourneren. Als alternatief kunt u de labelKey-prop gebruiken om op te geven welke eigenschap als de unieke identificatie moet worden gebruikt.<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template>Meerdere
Gebruik de multiple prop om meerdere itemselecties toe te staan.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree multiple :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree multiple :items="items" />
</template>Genesteld: badge{label="4.1+" class="align-text-top"}
Gebruik de nested-prop om te bepalen of de boom wordt weergegeven met een geneste structuur of als een platte lijst. Standaard true.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :nested="false" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :nested="false" :items="items" />
</template>nestedfalse is, worden alle items op hetzelfde niveau weergegeven met inspringing om de hiërarchie aan te geven. Dit is handig voor virtualisatie of slepen en neerzetten.Kleur
Gebruik de color prop om de kleur van de boom te veranderen.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree color="neutral" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree color="neutral" :items="items" />
</template>Grootte
Gebruik de size prop om de grootte van de boom te wijzigen.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree size="xl" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree size="xl" :items="items" />
</template>Achterliggende pictogram
Gebruik de trailing-icon prop om de Icon van een bovenliggend knooppunt aan te passen. Standaard i-lucide-chevron-down.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
trailingIcon: 'i-lucide-chevron-down',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree trailing-icon="i-lucide-arrow-down" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
trailingIcon: 'i-lucide-chevron-down',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree trailing-icon="i-lucide-arrow-down" :items="items" />
</template>Uitgebreid pictogram
Gebruik de expanded-icon- en collapsed-icon-rekwisieten om de pictogrammen van een bovenliggend knooppunt aan te passen wanneer het wordt uitgevouwen of samengevouwen. Standaard op respectievelijk i-lucide-folder-open en i-lucide-folder.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree expanded-icon="i-lucide-book-open" collapsed-icon="i-lucide-book" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree expanded-icon="i-lucide-book-open" collapsed-icon="i-lucide-book" :items="items" />
</template>app.config.ts onder ui.icons.folder en ui.icons.folderOpen toetsen.vite.config.ts onder ui.icons.folder en ui.icons.folderOpen toetsen.Uitgeschakeld
Gebruik de disabled prop om elke gebruikersinteractie met de Tree te voorkomen.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app',
icon: 'i-lucide-folder',
defaultExpanded: true,
children: [
{
label: 'composables',
icon: 'i-lucide-folder',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components',
icon: 'i-lucide-folder',
children: [
{
label: 'Home',
icon: 'i-lucide-folder',
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree disabled :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app',
icon: 'i-lucide-folder',
defaultExpanded: true,
children: [
{
label: 'composables',
icon: 'i-lucide-folder',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components',
icon: 'i-lucide-folder',
children: [
{
label: 'Home',
icon: 'i-lucide-folder',
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree disabled :items="items" />
</template>item.disabled.Voorbeelden
Beheer geselecteerde item (s)
U kunt de geselecteerde item (s) bedienen met behulp van de default-value prop of de v-model richtlijn.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
const value = ref()
</script>
<template>
<UTree v-model="value" :items="items" />
</template>
<script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
const value = ref()
</script>
<template>
<UTree v-model="value" :items="items" />
</template>
get-key prop om de functie te wijzigen die wordt gebruikt om de unieke sleutel van elk item te krijgen wanneer een v-model of default-value wordt geleverd.Als u wilt voorkomen dat een item wordt geselecteerd, kunt u de eigenschap item.onSelect() of de algemene select-gebeurtenis gebruiken:
<script setup lang="ts">
import type { TreeItemSelectEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
onSelect: (e: Event) => {
e.preventDefault()
},
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
function onSelect(e: TreeItemSelectEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'click') {
e.preventDefault()
}
}
</script>
<template>
<UTree :items="items" @select="onSelect" />
</template>
Control uitgebreide items
U kunt de uitgebreide items bedienen met behulp van de default-expanded prop of de v-model richtlijn.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = [
{
label: 'app/',
id: 'app',
children: [
{
label: 'composables/',
id: 'app/composables',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
id: 'app/components',
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', id: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', id: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
] satisfies TreeItem[]
const expanded = ref(['app', 'app/composables'])
</script>
<template>
<UTree v-model:expanded="expanded" :items="items" :get-key="i => i.id" />
</template>
<script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = [
{
label: 'app/',
id: 'app',
children: [
{
label: 'composables/',
id: 'app/composables',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
id: 'app/components',
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', id: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', id: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
] satisfies TreeItem[]
const expanded = ref(['app', 'app/composables'])
</script>
<template>
<UTree v-model:expanded="expanded" :items="items" :get-key="i => i.id" />
</template>
Als u wilt voorkomen dat een item wordt uitgebreid, kunt u de eigenschap item.onToggle() of de algemene toggle-gebeurtenis gebruiken:
<script setup lang="ts">
import type { TreeItemToggleEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
onToggle: (e: Event) => {
e.preventDefault()
},
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
function onToggle(e: TreeItemToggleEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'keydown') {
e.preventDefault()
}
}
</script>
<template>
<UTree :items="items" @toggle="onToggle" />
</template>
Met checkbox in items: badge{label="4.1+" class="align-text-top"}
U kunt de item-leading-sleuf gebruiken om een Checkbox aan de items toe te voegen.
Gebruik de multiple, propagate-select en bubble-select rekwisieten om multi-selectie met ouder-kind relatie mogelijk te maken en de select en toggle gebeurtenissen om de geselecteerde en uitgebreide status van de items te regelen.
- app/
- composables/
- components/
- Card.vue
- Button.vue
- app.vue
- nuxt.config.ts
<script setup lang="ts">
import type { TreeItemSelectEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts' },
{ label: 'useUser.ts' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue' },
{ label: 'Button.vue' }
]
}
]
},
{ label: 'app.vue' },
{ label: 'nuxt.config.ts' }
]
const value = ref<(typeof items)>([])
function onSelect(e: TreeItemSelectEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'click') {
e.preventDefault()
}
}
</script>
<template>
<UTree
v-model="value"
:as="{ link: 'div' }"
:items="items"
multiple
propagate-select
bubble-select
@select="onSelect"
>
<template #item-leading="{ selected, indeterminate, handleSelect }">
<UCheckbox
:model-value="indeterminate ? 'indeterminate' : selected"
tabindex="-1"
@change="handleSelect"
@click.stop
/>
</template>
</UTree>
</template>
<script setup lang="ts">
import { ref } from 'vue'
import type { TreeItemSelectEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts' },
{ label: 'useUser.ts' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue' },
{ label: 'Button.vue' }
]
}
]
},
{ label: 'app.vue' },
{ label: 'nuxt.config.ts' }
]
const value = ref<(typeof items)>([])
function onSelect(e: TreeItemSelectEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'click') {
e.preventDefault()
}
}
</script>
<template>
<UTree
v-model="value"
:as="{ link: 'div' }"
:items="items"
multiple
propagate-select
bubble-select
@select="onSelect"
>
<template #item-leading="{ selected, indeterminate, handleSelect }">
<UCheckbox
:model-value="indeterminate ? 'indeterminate' : selected"
tabindex="-1"
@change="handleSelect"
@click.stop
/>
</template>
</UTree>
</template>
as prop om de items te wijzigen van button naar div als de Checkbox wordt ook weergegeven als een button.Met slepen en neerzetten: badge{label="4.1+" class="align-text-top"}
Gebruik de useSortable van @vueuse/integrations om slepen en neerzetten op de boom mogelijk te maken. Deze integratie omvat Sortable.js om een naadloze slepen-en-neerzetten-ervaring te bieden.
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
import { useSortable } from '@vueuse/integrations/useSortable'
const items = shallowRef<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
])
function flatten(
items: TreeItem[],
parent = items
): { item: TreeItem; parent: TreeItem[]; index: number }[] {
return items.flatMap((item, index) => [
{ item, parent, index },
...(item.children?.length && item.defaultExpanded ? flatten(item.children, item.children) : [])
])
}
function moveItem(oldIndex: number, newIndex: number) {
if (oldIndex === newIndex) return
const flat = flatten(items.value)
const source = flat[oldIndex]
const target = flat[newIndex]
if (!source || !target) return
const [moved] = source.parent.splice(source.index, 1)
if (!moved) return
const updatedFlat = flatten(items.value)
const updatedTarget = updatedFlat.find(({ item }) => item === target.item)
if (!updatedTarget) return
const insertIndex = oldIndex < newIndex ? updatedTarget.index + 1 : updatedTarget.index
updatedTarget.parent.splice(insertIndex, 0, moved)
}
const tree = useTemplateRef<HTMLElement>('tree')
useSortable(tree, items, {
animation: 150,
ghostClass: 'opacity-50',
onUpdate: (e: any) => moveItem(e.oldIndex, e.newIndex)
})
</script>
<template>
<UTree ref="tree" :nested="false" :unmount-on-hide="false" :items="items" />
</template><script setup lang="ts">
import { shallowRef, useTemplateRef } from 'vue'
import type { TreeItem } from '@nuxt/ui'
import { useSortable } from '@vueuse/integrations/useSortable'
const items = shallowRef<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
])
function flatten(
items: TreeItem[],
parent = items
): { item: TreeItem; parent: TreeItem[]; index: number }[] {
return items.flatMap((item, index) => [
{ item, parent, index },
...(item.children?.length && item.defaultExpanded ? flatten(item.children, item.children) : [])
])
}
function moveItem(oldIndex: number, newIndex: number) {
if (oldIndex === newIndex) return
const flat = flatten(items.value)
const source = flat[oldIndex]
const target = flat[newIndex]
if (!source || !target) return
const [moved] = source.parent.splice(source.index, 1)
if (!moved) return
const updatedFlat = flatten(items.value)
const updatedTarget = updatedFlat.find(({ item }) => item === target.item)
if (!updatedTarget) return
const insertIndex = oldIndex < newIndex ? updatedTarget.index + 1 : updatedTarget.index
updatedTarget.parent.splice(insertIndex, 0, moved)
}
const tree = useTemplateRef<HTMLElement>('tree')
useSortable(tree, items, {
animation: 150,
ghostClass: 'opacity-50',
onUpdate: (e: any) => moveItem(e.oldIndex, e.newIndex)
})
</script>
<template>
<UTree ref="tree" :nested="false" :unmount-on-hide="false" :items="items" />
</template>nested prop in op false om een platte lijst met items te hebben, zodat de items kunnen worden gesleept en neergezet.Met virtualisatie: badge{label="4.1+" class="align-text-top"}
Gebruik de virtualize prop om virtualisatie in te schakelen voor grote lijsten als een boolean of een object met opties zoals { estimateSize: 32, overscan: 12 }.
nested prop op false.<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = Array(1000)
.fill(0)
.map((_, i) => ({
label: `Item ${i + 1}`,
children: [
{ label: `Child ${i + 1}-1`, icon: 'i-lucide-file' },
{ label: `Child ${i + 1}-2`, icon: 'i-lucide-file' }
]
}))
</script>
<template>
<UTree virtualize :items="items" class="h-80" />
</template>Met aangepaste sleuf
Gebruik de eigenschap slot om een specifiek item aan te passen.
U krijgt toegang tot de volgende slots:
#{{ item.slot }}-wrapper#{{ item.slot }}#{{ item.slot }}-leading#{{ item.slot }}-label#{{ item.slot }}-trailing
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = [
{
label: 'app/',
slot: 'app' as const,
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
] satisfies TreeItem[]
</script>
<template>
<UTree :items="items">
<template #app="{ item }">
<p class="italic font-bold">
{{ item.label }}
</p>
</template>
</UTree>
</template>
API
Props
| Prop | Default | Type |
|---|---|---|
as | 'ul' | anyThe element or component this component should render as. |
color | 'primary' | "primary" | "secondary" | "success" | "info" | "warning" | "error" | "neutral" |
size | 'md' | "md" | "xs" | "sm" | "lg" | "xl" |
getKey | (val: T[number]): stringThis function is passed the index of each item and should return a unique key for that item | |
labelKey | 'label' | keyof Extract<NestedItem<T>, object> & string | DotPathKeys<Extract<NestedItem<T>, object>>The key used to get the label from the item. |
trailingIcon | appConfig.ui.icons.chevronDown | anyThe icon displayed on the right side of a parent node. |
expandedIcon | appConfig.ui.icons.folderOpen | anyThe icon displayed when a parent node is expanded. |
collapsedIcon | appConfig.ui.icons.folder | anyThe icon displayed when a parent node is collapsed. |
items | T | |
modelValue | M extends true ? T[number][] : T[number]The controlled value of the Tree. Can be bind as | |
defaultValue | M extends true ? T[number][] : T[number]The value of the Tree when initially rendered. Use when you do not need to control the state of the Tree. | |
multiple | MWhether multiple options can be selected or not. | |
nested | true | boolean Use nested DOM structure (children inside parents) vs flattened structure (all items at same level).
When |
virtualize | false | boolean | { overscan?: number ; estimateSize?: number | ((index: number) => number) | undefined; } | undefinedEnable virtualization for large lists.
Note: when enabled, the tree structure is flattened like if |
onSelect | (e: SelectEvent<T[number]>, item: T[number]): void | |
onToggle | (e: ToggleEvent<T[number]>, item: T[number]): void | |
expanded | string[]The controlled value of the expanded item. Can be binded with | |
defaultExpanded | string[]The value of the expanded tree when initially rendered. Use when you do not need to control the state of the expanded tree | |
selectionBehavior | "replace" | "toggle"How multiple selection should behave in the collection. | |
propagateSelect | boolean When | |
disabled | boolean When | |
bubbleSelect | boolean When | |
ui | { root?: SlotClass; item?: SlotClass; listWithChildren?: SlotClass; itemWithChildren?: SlotClass; link?: SlotClass; linkLeadingIcon?: SlotClass; linkLabel?: SlotClass; linkTrailing?: SlotClass; linkTrailingIcon?: SlotClass; } |
Slots
| Slot | Type |
|---|---|
item-wrapper | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item-leading | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item-label | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item-trailing | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
Uitzendt
| Event | Type |
|---|---|
update:modelValue | [val: M extends true ? T[number][] : T[number]] |
update:expanded | [val: string[]] |
Thema
export default defineAppConfig({
ui: {
tree: {
slots: {
root: 'relative isolate',
item: 'w-full',
listWithChildren: 'border-s border-default',
itemWithChildren: 'ps-1.5 -ms-px',
link: 'relative group w-full flex items-center text-sm select-none before:absolute before:inset-y-px before:inset-x-0 before:z-[-1] before:rounded-md focus:outline-none focus-visible:outline-none focus-visible:before:outline-3',
linkLeadingIcon: 'shrink-0 relative',
linkLabel: 'truncate',
linkTrailing: 'ms-auto inline-flex gap-1.5 items-center',
linkTrailingIcon: 'shrink-0 transform transition-transform duration-200 ease-out motion-reduce:transition-none group-data-expanded:rotate-180'
},
variants: {
virtualize: {
true: {
root: 'overflow-y-auto'
}
},
color: {
primary: {
link: 'before:outline-primary/25'
},
secondary: {
link: 'before:outline-secondary/25'
},
success: {
link: 'before:outline-success/25'
},
info: {
link: 'before:outline-info/25'
},
warning: {
link: 'before:outline-warning/25'
},
error: {
link: 'before:outline-error/25'
},
neutral: {
link: 'before:outline-inverted/25'
}
},
size: {
xs: {
listWithChildren: 'ms-4',
link: 'px-2 py-1 text-xs gap-1',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
sm: {
listWithChildren: 'ms-4.5',
link: 'px-2.5 py-1.5 text-xs gap-1.5',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
md: {
listWithChildren: 'ms-5',
link: 'px-2.5 py-1.5 text-sm gap-1.5',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
lg: {
listWithChildren: 'ms-5.5',
link: 'px-3 py-2 text-sm gap-2',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
xl: {
listWithChildren: 'ms-6',
link: 'px-3 py-2 text-base gap-2',
linkLeadingIcon: 'size-6',
linkTrailingIcon: 'size-6'
}
},
selected: {
true: {
link: 'before:bg-elevated'
}
},
disabled: {
true: {
link: 'cursor-not-allowed opacity-75'
}
}
},
compoundVariants: [
{
color: 'primary',
selected: true,
class: {
link: 'text-primary'
}
},
{
color: 'neutral',
selected: true,
class: {
link: 'text-highlighted'
}
},
{
selected: false,
disabled: false,
class: {
link: [
'hover:text-highlighted hover:before:bg-elevated/50',
'transition-colors before:transition-colors'
]
}
}
],
defaultVariants: {
color: 'primary',
size: 'md'
}
}
}
})import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import ui from '@nuxt/ui/vite'
export default defineConfig({
plugins: [
vue(),
ui({
ui: {
tree: {
slots: {
root: 'relative isolate',
item: 'w-full',
listWithChildren: 'border-s border-default',
itemWithChildren: 'ps-1.5 -ms-px',
link: 'relative group w-full flex items-center text-sm select-none before:absolute before:inset-y-px before:inset-x-0 before:z-[-1] before:rounded-md focus:outline-none focus-visible:outline-none focus-visible:before:outline-3',
linkLeadingIcon: 'shrink-0 relative',
linkLabel: 'truncate',
linkTrailing: 'ms-auto inline-flex gap-1.5 items-center',
linkTrailingIcon: 'shrink-0 transform transition-transform duration-200 ease-out motion-reduce:transition-none group-data-expanded:rotate-180'
},
variants: {
virtualize: {
true: {
root: 'overflow-y-auto'
}
},
color: {
primary: {
link: 'before:outline-primary/25'
},
secondary: {
link: 'before:outline-secondary/25'
},
success: {
link: 'before:outline-success/25'
},
info: {
link: 'before:outline-info/25'
},
warning: {
link: 'before:outline-warning/25'
},
error: {
link: 'before:outline-error/25'
},
neutral: {
link: 'before:outline-inverted/25'
}
},
size: {
xs: {
listWithChildren: 'ms-4',
link: 'px-2 py-1 text-xs gap-1',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
sm: {
listWithChildren: 'ms-4.5',
link: 'px-2.5 py-1.5 text-xs gap-1.5',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
md: {
listWithChildren: 'ms-5',
link: 'px-2.5 py-1.5 text-sm gap-1.5',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
lg: {
listWithChildren: 'ms-5.5',
link: 'px-3 py-2 text-sm gap-2',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
xl: {
listWithChildren: 'ms-6',
link: 'px-3 py-2 text-base gap-2',
linkLeadingIcon: 'size-6',
linkTrailingIcon: 'size-6'
}
},
selected: {
true: {
link: 'before:bg-elevated'
}
},
disabled: {
true: {
link: 'cursor-not-allowed opacity-75'
}
}
},
compoundVariants: [
{
color: 'primary',
selected: true,
class: {
link: 'text-primary'
}
},
{
color: 'neutral',
selected: true,
class: {
link: 'text-highlighted'
}
},
{
selected: false,
disabled: false,
class: {
link: [
'hover:text-highlighted hover:before:bg-elevated/50',
'transition-colors before:transition-colors'
]
}
}
],
defaultVariants: {
color: 'primary',
size: 'md'
}
}
}
})
]
})