Files
n8n-enterprise-unlocked/packages/frontend/editor-ui/src/components/canvas/WorkflowCanvas.vue

110 lines
2.9 KiB
Vue

<script setup lang="ts">
import Canvas from '@/components/canvas/Canvas.vue';
import { computed, ref, toRef, useCssModule } from 'vue';
import type { Workflow } from 'n8n-workflow';
import type { IWorkflowDb } from '@/Interface';
import { useCanvasMapping } from '@/composables/useCanvasMapping';
import type { EventBus } from '@n8n/utils/event-bus';
import { createEventBus } from '@n8n/utils/event-bus';
import type { CanvasEventBusEvents } from '@/types';
import { useVueFlow } from '@vue-flow/core';
import { throttledRef } from '@vueuse/core';
import { useSettingsStore } from '@/stores/settings.store';
import ExperimentalNodeDetailsDrawer from './components/ExperimentalNodeDetailsDrawer.vue';
defineOptions({
inheritAttrs: false,
});
const props = withDefaults(
defineProps<{
id?: string;
workflow: IWorkflowDb;
workflowObject: Workflow;
fallbackNodes?: IWorkflowDb['nodes'];
showFallbackNodes?: boolean;
eventBus?: EventBus<CanvasEventBusEvents>;
readOnly?: boolean;
executing?: boolean;
}>(),
{
id: 'canvas',
eventBus: () => createEventBus<CanvasEventBusEvents>(),
fallbackNodes: () => [],
showFallbackNodes: true,
},
);
const $style = useCssModule();
const settingsStore = useSettingsStore();
const { onNodesInitialized, getSelectedNodes } = useVueFlow({ id: props.id });
const workflow = toRef(props, 'workflow');
const workflowObject = toRef(props, 'workflowObject');
const nodes = computed(() => {
return props.showFallbackNodes
? [...props.workflow.nodes, ...props.fallbackNodes]
: props.workflow.nodes;
});
const connections = computed(() => props.workflow.connections);
const { nodes: mappedNodes, connections: mappedConnections } = useCanvasMapping({
nodes,
connections,
workflowObject,
});
const initialFitViewDone = ref(false); // Workaround for https://github.com/bcakmakoglu/vue-flow/issues/1636
onNodesInitialized(() => {
if (!initialFitViewDone.value || props.showFallbackNodes) {
props.eventBus.emit('fitView');
initialFitViewDone.value = true;
}
});
const mappedNodesThrottled = throttledRef(mappedNodes, 200);
const mappedConnectionsThrottled = throttledRef(mappedConnections, 200);
</script>
<template>
<div :class="$style.wrapper" data-test-id="canvas-wrapper">
<div :class="$style.canvas">
<Canvas
v-if="workflow"
:id="id"
:nodes="executing ? mappedNodesThrottled : mappedNodes"
:connections="executing ? mappedConnectionsThrottled : mappedConnections"
:event-bus="eventBus"
:read-only="readOnly"
v-bind="$attrs"
/>
</div>
<slot />
<ExperimentalNodeDetailsDrawer
v-if="settingsStore.experimental__dockedNodeSettingsEnabled && !props.readOnly"
:selected-nodes="getSelectedNodes"
/>
</div>
</template>
<style lang="scss" module>
.wrapper {
display: flex;
position: relative;
width: 100%;
height: 100%;
overflow: hidden;
}
.canvas {
width: 100%;
height: 100%;
position: relative;
display: block;
align-items: stretch;
justify-content: stretch;
}
</style>