mirror of
https://github.com/Comfy-Org/ComfyUI_frontend.git
synced 2026-02-06 08:00:05 +00:00
95 lines
2.4 KiB
Vue
95 lines
2.4 KiB
Vue
<!-- This component is used to bound the selected items on the canvas. -->
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<template>
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<div
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v-show="visible"
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class="selection-overlay-container pointer-events-none z-40"
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:class="{
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'show-border': showBorder
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}"
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:style="style"
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>
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<slot />
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</div>
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</template>
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<script setup lang="ts">
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import { createBounds } from '@comfyorg/litegraph'
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import { whenever } from '@vueuse/core'
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import { ref, watch } from 'vue'
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import { useAbsolutePosition } from '@/composables/element/useAbsolutePosition'
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import { useCanvasStore } from '@/stores/graphStore'
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const canvasStore = useCanvasStore()
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const { style, updatePosition } = useAbsolutePosition()
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const visible = ref(false)
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const showBorder = ref(false)
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const positionSelectionOverlay = () => {
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const { selectedItems } = canvasStore.getCanvas()
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showBorder.value = selectedItems.size > 1
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if (!selectedItems.size) {
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visible.value = false
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return
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}
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visible.value = true
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const bounds = createBounds(selectedItems)
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if (bounds) {
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updatePosition({
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pos: [bounds[0], bounds[1]],
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size: [bounds[2], bounds[3]]
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})
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}
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}
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// Register listener on canvas creation.
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whenever(
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() => canvasStore.getCanvas().state.selectionChanged,
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() => {
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requestAnimationFrame(() => {
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positionSelectionOverlay()
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canvasStore.getCanvas().state.selectionChanged = false
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})
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},
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{ immediate: true }
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)
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canvasStore.getCanvas().ds.onChanged = positionSelectionOverlay
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watch(
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() => canvasStore.canvas?.state?.draggingItems,
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(draggingItems) => {
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// Litegraph draggingItems state can end early before the bounding boxes of
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// the selected items are updated. Delay to make sure we put the overlay in
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// the correct position.
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// https://github.com/Comfy-Org/ComfyUI_frontend/issues/2656
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if (draggingItems === false) {
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requestAnimationFrame(() => {
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visible.value = true
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positionSelectionOverlay()
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})
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} else {
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// Selection change update to visible state is delayed by a frame. Here
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// we also delay a frame so that the order of events is correct when
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// the initial selection and dragging happens at the same time.
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requestAnimationFrame(() => {
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visible.value = false
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})
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}
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}
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)
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</script>
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<style scoped>
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.selection-overlay-container > * {
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pointer-events: auto;
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}
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.show-border {
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@apply border-dashed rounded-md border-2 border-[var(--border-color)];
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}
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</style>
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