fix: 级联/因果视角切换 — 跨层箭头方向+SVG三角+ConnectionLines联动
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@@ -147,6 +147,8 @@ const props = defineProps({
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tempLine: { type: Object, default: null },
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/** 容器尺寸变化触发重算 */
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containerKey: { type: Number, default: 0 },
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/** 视角方向:cascade(级联,上层→下层) / causal(因果,下层→上层) */
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viewDirection: { type: String, default: 'cascade' },
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})
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const emit = defineEmits(['select-connection', 'delete-connection'])
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@@ -159,28 +161,41 @@ const crossLayerLines = ref([])
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/**
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* 计算跨层固定箭头
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* 从上层底部中心 → 下层顶部中心
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* cascade: 从上层底部中心 → 下层顶部中心(管理视角,上层驱动下层)
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* causal: 从下层顶部中心 → 上层底部中心(因果视角,下层驱动上层)
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*/
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function calcCrossLayerLines() {
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const lines = []
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const keys = props.layerKeys
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const isCausal = props.viewDirection === 'causal'
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for (let i = 0; i < keys.length - 1; i++) {
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const fromEl = props.layerRefs[keys[i]]
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const toEl = props.layerRefs[keys[i + 1]]
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if (!fromEl || !toEl) continue
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const upperEl = props.layerRefs[keys[i]]
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const lowerEl = props.layerRefs[keys[i + 1]]
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if (!upperEl || !lowerEl) continue
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const fr = fromEl.getBoundingClientRect()
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const tr = toEl.getBoundingClientRect()
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const ur = upperEl.getBoundingClientRect()
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const lr = lowerEl.getBoundingClientRect()
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const svg = svgRef.value
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if (!svg) continue
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const svgRect = svg.getBoundingClientRect()
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lines.push({
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x1: fr.left + fr.width / 2 - svgRect.left,
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y1: fr.bottom - svgRect.top,
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x2: tr.left + tr.width / 2 - svgRect.left,
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y2: tr.top - svgRect.top,
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})
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if (isCausal) {
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// 因果视角:从下层顶 → 上层底(箭头向上)
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lines.push({
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x1: lr.left + lr.width / 2 - svgRect.left,
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y1: lr.top - svgRect.top,
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x2: ur.left + ur.width / 2 - svgRect.left,
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y2: ur.bottom - svgRect.top,
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})
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} else {
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// 级联视角:从上层底 → 下层顶(箭头向下)
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lines.push({
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x1: ur.left + ur.width / 2 - svgRect.left,
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y1: ur.bottom - svgRect.top,
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x2: lr.left + lr.width / 2 - svgRect.left,
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y2: lr.top - svgRect.top,
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})
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}
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}
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crossLayerLines.value = lines
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}
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