{"version":3,"file":"split-panel2.mjs","names":[],"sources":["../../../../../../packages/components/splitter/src/split-panel.vue"],"sourcesContent":["<script lang=\"ts\" setup>\nimport {\n  computed,\n  getCurrentInstance,\n  inject,\n  nextTick,\n  onBeforeUnmount,\n  reactive,\n  ref,\n  toRefs,\n  watch,\n} from 'vue'\nimport { useNamespace } from '@element-plus/hooks'\nimport { throwError } from '@element-plus/utils'\nimport { getCollapsible, isCollapsible } from './hooks/usePanel'\nimport SplitBar from './split-bar.vue'\nimport { splitterPanelEmits } from './split-panel'\nimport { getPct, getPx, isPct, isPx } from './hooks'\nimport { splitterRootContextKey } from './type'\n\nimport type { SplitterPanelProps } from './split-panel'\n\nconst ns = useNamespace('splitter-panel')\n\nconst COMPONENT_NAME = 'ElSplitterPanel'\ndefineOptions({\n  name: COMPONENT_NAME,\n})\n\nconst props = withDefaults(defineProps<SplitterPanelProps>(), {\n  resizable: true,\n})\n\nconst emits = defineEmits(splitterPanelEmits)\nconst splitterContext = inject(splitterRootContextKey)\nif (!splitterContext)\n  throwError(\n    COMPONENT_NAME,\n    'usage: <el-splitter><el-splitter-panel /></el-splitter/>'\n  )\n\nconst { panels, layout, lazy, containerSize, pxSizes } = toRefs(splitterContext)\n\nconst {\n  registerPanel,\n  unregisterPanel,\n  onCollapse,\n  onMoveEnd,\n  onMoveStart,\n  onMoving,\n} = splitterContext\n\nconst panelEl = ref<HTMLDivElement>()\nconst instance = getCurrentInstance()!\nconst uid = instance.uid\n\nconst index = ref(0)\nconst panel = computed(() => panels.value[index.value])\n\nconst setIndex = (val: number) => {\n  index.value = val\n}\n\nconst panelSize = computed(() => {\n  if (!panel.value) return 0\n  return pxSizes.value[index.value] ?? 0\n})\n\nconst nextSize = computed(() => {\n  if (!panel.value) return 0\n  return pxSizes.value[index.value + 1] ?? 0\n})\n\nconst nextPanel = computed(() => {\n  if (panel.value) {\n    return panels.value[index.value + 1]\n  }\n  return null\n})\n\nconst isResizable = computed(() => {\n  if (!nextPanel.value) return false\n  return (\n    props.resizable &&\n    nextPanel.value?.resizable &&\n    // If it is 0, it means it is collapsed => check if the minimum value is set\n    (panelSize.value !== 0 || !props.min) &&\n    (nextSize.value !== 0 || !nextPanel.value.min)\n  )\n})\n\n// The last panel doesn't need a drag bar\nconst isShowBar = computed(() => {\n  if (!panel.value) return false\n  return index.value !== panels.value.length - 1\n})\n\nconst startCollapsible = computed(() =>\n  isCollapsible(panel.value, panelSize.value, nextPanel.value, nextSize.value)\n)\n\nconst endCollapsible = computed(() =>\n  isCollapsible(nextPanel.value, nextSize.value, panel.value, panelSize.value)\n)\n\nfunction sizeToPx(str: string | number | undefined) {\n  if (isPct(str)) {\n    return getPct(str) * containerSize.value || 0\n  } else if (isPx(str)) {\n    return getPx(str)\n  }\n  return str ?? 0\n}\n\n// Two-way binding for size\nlet isSizeUpdating = false\nwatch(\n  () => props.size,\n  () => {\n    if (!isSizeUpdating && panel.value) {\n      if (!containerSize.value) {\n        panel.value.size = props.size\n        return\n      }\n\n      const size = sizeToPx(props.size)\n      const maxSize = sizeToPx(props.max)\n      const minSize = sizeToPx(props.min)\n\n      // Ensure it is within the maximum and minimum value range\n      const finalSize = Math.min(Math.max(size, minSize || 0), maxSize || size)\n\n      if (finalSize !== size) {\n        emits('update:size', finalSize)\n      }\n\n      panel.value.size = finalSize\n    }\n  }\n)\n\nwatch(\n  () => panel.value?.size,\n  (val) => {\n    if (val !== props.size) {\n      isSizeUpdating = true\n      emits('update:size', val as number)\n      nextTick(() => (isSizeUpdating = false))\n    }\n  }\n)\n\nwatch(\n  () => props.resizable,\n  (val) => {\n    if (panel.value) {\n      panel.value.resizable = val\n    }\n  }\n)\n\nconst _panel = reactive({\n  uid,\n  getVnode: () => instance.vnode,\n  setIndex,\n  ...props,\n  collapsible: computed(() => getCollapsible(props.collapsible)),\n})\n\nregisterPanel(_panel)\n\nonBeforeUnmount(() => unregisterPanel(_panel))\n\ndefineExpose({\n  /** @description splitter-panel html element */\n  splitterPanelRef: panelEl,\n})\n</script>\n\n<template>\n  <div\n    ref=\"panelEl\"\n    :class=\"[ns.b()]\"\n    :style=\"{ flexBasis: `${panelSize}px` }\"\n    v-bind=\"$attrs\"\n  >\n    <slot />\n  </div>\n  <SplitBar\n    v-if=\"isShowBar\"\n    :index=\"index\"\n    :layout=\"layout\"\n    :lazy=\"lazy\"\n    :resizable=\"isResizable\"\n    :start-collapsible=\"startCollapsible\"\n    :end-collapsible=\"endCollapsible\"\n    @move-start=\"onMoveStart\"\n    @moving=\"onMoving\"\n    @move-end=\"onMoveEnd\"\n    @collapse=\"onCollapse\"\n  >\n    <template #start-collapsible>\n      <slot name=\"start-collapsible\" />\n    </template>\n    <template #end-collapsible>\n      <slot name=\"end-collapsible\" />\n    </template>\n  </SplitBar>\n</template>\n"],"mappings":""}