144 lines
3.8 KiB
Vue
144 lines
3.8 KiB
Vue
<script lang="ts" setup>
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import type { ClassFunc, GraphEdge, GraphNode, StyleFunc } from '@braks/vue-flow'
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import { Background, ConnectionLineType, Controls, VueFlow, useVueFlow } from '@braks/vue-flow'
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import Cross from '~icons/mdi/window-close'
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const emit = defineEmits(['pane'])
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const getNodeClass: ClassFunc<GraphNode> = (el) => {
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const classes = ['font-semibold', '!border-2', 'transition-colors', 'duration-300', 'ease-in-out']
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if (el.selected)
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classes.push(
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...['!border-green-500/80', '!shadow-md', '!shadow-green-500/50', '!bg-green-100/80 dark:(!bg-white)', '!text-gray-700'],
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)
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return classes.join(' ')
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}
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const getEdgeClass: ClassFunc<GraphEdge> = (el) => {
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const classes = ['transition-colors duration-300', el.sourceNode.selected ? 'font-semibold' : '']
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return classes.join(' ')
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}
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const getEdgeStyle: StyleFunc<GraphEdge> = (el) => {
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const sourceNodeSelected = el.sourceNode.selected
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return {
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transition: 'stroke ease-in-out 300ms',
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stroke: el.selected || sourceNodeSelected ? 'var(--secondary)' : '',
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}
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}
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const { onPaneReady, onConnect, addEdges, viewport } = useVueFlow({
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connectionLineType: ConnectionLineType.SmoothStep,
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connectionLineStyle: {
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strokeDasharray: 5,
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animation: 'dashdraw 0.5s linear infinite',
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},
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modelValue: [
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{
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id: '1',
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type: 'input',
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label: 'Start',
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position: { x: 250, y: 5 },
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class: getNodeClass,
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},
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{
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id: '2',
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label: 'Waypoint',
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position: { x: 100, y: 100 },
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class: getNodeClass,
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},
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{ id: '3', label: 'Waypoint', position: { x: 400, y: 100 }, class: getNodeClass },
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{
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id: '4',
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type: 'output',
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label: 'End',
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position: { x: 250, y: 225 },
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class: getNodeClass,
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},
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{
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id: 'e1-2',
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source: '1',
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label: 'animated edge',
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target: '2',
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animated: true,
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class: getEdgeClass,
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style: getEdgeStyle,
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},
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{
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id: 'e1-3',
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source: '1',
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target: '3',
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label: 'default edge',
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class: getEdgeClass,
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style: (el: GraphEdge) => {
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const sourceNodeSelected = el.sourceNode.selected
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return {
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transition: 'stroke ease-in-out 300ms',
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stroke: el.selected || sourceNodeSelected ? 'red' : '',
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}
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},
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},
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{
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id: 'e2-4',
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source: '2',
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target: '4',
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type: 'step',
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animated: true,
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class: getEdgeClass,
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style: getEdgeStyle,
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},
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],
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})
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onPaneReady((i) => emit('pane', i))
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onConnect((param) => {
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addEdges([
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{
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...param,
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type: 'smoothstep',
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animated: true,
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},
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])
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})
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</script>
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<template>
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<div class="md:max-w-1/3 flex flex-col justify-center">
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<div class="flex flex-col items-center md:items-start">
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<h1>Interactive Graphs</h1>
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<p>
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Vue Flow comes with built-in features like zoom & pan and dedicated controls, single & multi-selections, draggable
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elements, customizable nodes and edges and a bunch of event handlers.
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</p>
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<router-link class="docs-button max-w-max" to="/guide/"> Documentation </router-link>
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</div>
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</div>
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<div
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class="w-full h-[300px] md:min-h-[400px] shadow-xl rounded-xl font-mono uppercase border-1 border-secondary overflow-hidden"
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>
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<VueFlow class="basic">
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<Controls class="md:(!left-auto !right-[10px])" />
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<Background :gap="60">
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<template #pattern>
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<Cross :style="{ fontSize: `${8 * viewport.zoom || 1}px` }" class="text-[#10b981] opacity-50" />
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</template>
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</Background>
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</VueFlow>
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</div>
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</template>
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<style>
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.basic .vue-flow__node-input.selected .vue-flow__handle {
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@apply bg-green-500;
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}
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.basic .vue-flow__node-default.selected .vue-flow__handle {
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@apply bg-green-500;
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}
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.basic .vue-flow__node-output.selected .vue-flow__handle {
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@apply bg-green-500;
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}
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</style>
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