Files
vue-flow/packages/controls/src/Controls.vue
T
2023-10-30 13:36:07 +01:00

126 lines
3.1 KiB
Vue

<script lang="ts" setup>
import { Panel, PanelPosition, useVueFlow } from '@vue-flow/core'
import { toRef } from 'vue'
import type { ControlProps } from './types'
import ControlButton from './ControlButton.vue'
import PlusIcon from './icons/plus.svg'
import MinusIcon from './icons/minus.svg'
import FitView from './icons/fitview.svg'
import Lock from './icons/lock.svg'
import Unlock from './icons/unlock.svg'
const {
showZoom = true,
showFitView = true,
showInteractive = true,
fitViewParams,
position = PanelPosition.BottomLeft,
} = defineProps<ControlProps>()
const emit = defineEmits<{
(event: 'zoomIn'): void
(event: 'zoomOut'): void
(event: 'fitView'): void
(event: 'interactionChange', active: boolean): void
}>()
const {
nodesDraggable,
nodesConnectable,
elementsSelectable,
setInteractive,
zoomIn,
zoomOut,
fitView,
viewport,
minZoom,
maxZoom,
} = useVueFlow()
const isInteractive = toRef(() => nodesDraggable.value || nodesConnectable.value || elementsSelectable.value)
const minZoomReached = toRef(() => viewport.value.zoom <= minZoom.value)
const maxZoomReached = toRef(() => viewport.value.zoom >= maxZoom.value)
function onZoomInHandler() {
zoomIn()
emit('zoomIn')
}
function onZoomOutHandler() {
zoomOut()
emit('zoomOut')
}
function onFitViewHandler() {
fitView(fitViewParams)
emit('fitView')
}
function onInteractiveChangeHandler() {
setInteractive(!isInteractive.value)
emit('interactionChange', !isInteractive.value)
}
</script>
<script lang="ts">
export default {
name: 'Controls',
compatConfig: { MODE: 3 },
}
</script>
<template>
<Panel class="vue-flow__controls" :position="position">
<slot name="top" />
<template v-if="showZoom">
<slot name="control-zoom-in">
<ControlButton class="vue-flow__controls-zoomin" :disabled="maxZoomReached" @click="onZoomInHandler">
<slot name="icon-zoom-in">
<component :is="PlusIcon" />
</slot>
</ControlButton>
</slot>
<slot name="control-zoom-out">
<ControlButton class="vue-flow__controls-zoomout" :disabled="minZoomReached" @click="onZoomOutHandler">
<slot name="icon-zoom-out">
<component :is="MinusIcon" />
</slot>
</ControlButton>
</slot>
</template>
<template v-if="showFitView">
<slot name="control-fit-view">
<ControlButton class="vue-flow__controls-fitview" @click="onFitViewHandler">
<slot name="icon-fit-view">
<component :is="FitView" />
</slot>
</ControlButton>
</slot>
</template>
<template v-if="showInteractive">
<slot name="control-interactive">
<ControlButton v-if="showInteractive" class="vue-flow__controls-interactive" @click="onInteractiveChangeHandler">
<slot v-if="isInteractive" name="icon-unlock">
<component :is="Unlock" />
</slot>
<slot v-if="!isInteractive" name="icon-lock">
<component :is="Lock" />
</slot>
</ControlButton>
</slot>
</template>
<slot />
</Panel>
</template>