vxe-pc-ui/lib/tree-select/src/tree-select.js

A vue based PC component library

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _vue = require("vue");
var _ui = require("../../ui");
var _dom = require("../../ui/src/dom");
var _utils = require("../../ui/src/utils");
var _log = require("../../ui/src/log");
var _xeUtils = _interopRequireDefault(require("xe-utils"));
var _input = _interopRequireDefault(require("../../input/src/input"));
var _tree = _interopRequireDefault(require("../../tree/src/tree"));
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function getOptUniqueId() {
  return _xeUtils.default.uniqueId('node_');
}
var _default = exports.default = (0, _vue.defineComponent)({
  name: 'VxeTreeSelect',
  props: {
    modelValue: [String, Number, Array],
    clearable: Boolean,
    placeholder: {
      type: String,
      default: () => _xeUtils.default.eqNull((0, _ui.getConfig)().treeSelect.placeholder) ? (0, _ui.getI18n)('vxe.base.pleaseSelect') : (0, _ui.getConfig)().treeSelect.placeholder
    },
    readonly: {
      type: Boolean,
      default: null
    },
    loading: Boolean,
    disabled: {
      type: Boolean,
      default: null
    },
    multiple: Boolean,
    className: [String, Function],
    popupClassName: [String, Function],
    prefixIcon: String,
    placement: String,
    options: Array,
    optionProps: Object,
    size: {
      type: String,
      default: () => (0, _ui.getConfig)().select.size || (0, _ui.getConfig)().size
    },
    remote: Boolean,
    remoteMethod: Function,
    popupConfig: Object,
    treeConfig: Object,
    transfer: {
      type: Boolean,
      default: null
    }
  },
  emits: ['update:modelValue', 'change', 'clear', 'blur', 'focus', 'click', 'node-click'],
  setup(props, context) {
    const {
      emit,
      slots
    } = context;
    const $xeModal = (0, _vue.inject)('$xeModal', null);
    const $xeDrawer = (0, _vue.inject)('$xeDrawer', null);
    const $xeTable = (0, _vue.inject)('$xeTable', null);
    const $xeForm = (0, _vue.inject)('$xeForm', null);
    const formItemInfo = (0, _vue.inject)('xeFormItemInfo', null);
    const xID = _xeUtils.default.uniqueId();
    const {
      computeSize
    } = (0, _ui.useSize)(props);
    const refElem = (0, _vue.ref)();
    const refInput = (0, _vue.ref)();
    const refTreeWrapper = (0, _vue.ref)();
    const refOptionPanel = (0, _vue.ref)();
    const reactData = (0, _vue.reactive)({
      initialized: false,
      fullOptionList: [],
      fullNodeMaps: {},
      panelIndex: 0,
      panelStyle: {},
      panelPlacement: null,
      triggerFocusPanel: false,
      visiblePanel: false,
      isAniVisible: false,
      isActivated: false
    });
    const internalData = {
      hpTimeout: undefined
    };
    const refMaps = {
      refElem
    };
    const computeFormReadonly = (0, _vue.computed)(() => {
      const {
        readonly
      } = props;
      if (readonly === null) {
        if ($xeForm) {
          return $xeForm.props.readonly;
        }
        return false;
      }
      return readonly;
    });
    const computeIsDisabled = (0, _vue.computed)(() => {
      const {
        disabled
      } = props;
      if (disabled === null) {
        if ($xeForm) {
          return $xeForm.props.disabled;
        }
        return false;
      }
      return disabled;
    });
    const computeBtnTransfer = (0, _vue.computed)(() => {
      const {
        transfer
      } = props;
      if (transfer === null) {
        const globalTransfer = (0, _ui.getConfig)().select.transfer;
        if (_xeUtils.default.isBoolean(globalTransfer)) {
          return globalTransfer;
        }
        if ($xeTable || $xeModal || $xeDrawer || $xeForm) {
          return true;
        }
      }
      return transfer;
    });
    const computePopupOpts = (0, _vue.computed)(() => {
      return Object.assign({}, (0, _ui.getConfig)().treeSelect.popupConfig, props.popupConfig);
    });
    const computeTreeOpts = (0, _vue.computed)(() => {
      return Object.assign({}, (0, _ui.getConfig)().treeSelect.treeConfig, props.treeConfig, {
        data: undefined
      });
    });
    const computeTreeNodeOpts = (0, _vue.computed)(() => {
      const treeOpts = computeTreeOpts.value;
      return Object.assign({
        isHover: true
      }, treeOpts.nodeConfig);
    });
    const computeTreeCheckboxOpts = (0, _vue.computed)(() => {
      const treeOpts = computeTreeOpts.value;
      return Object.assign({
        showIcon: !!treeOpts.showCheckbox
      }, treeOpts.checkboxConfig, {
        trigger: 'node'
      });
    });
    const computeTreeRadioOpts = (0, _vue.computed)(() => {
      const treeOpts = computeTreeOpts.value;
      return Object.assign({
        showIcon: !!treeOpts.showRadio
      }, treeOpts.radioConfig, {
        trigger: 'node'
      });
    });
    const computePropsOpts = (0, _vue.computed)(() => {
      return props.optionProps || {};
    });
    const computeNodeKeyField = (0, _vue.computed)(() => {
      const treeOpts = computeTreeOpts.value;
      return treeOpts.keyField || 'id';
    });
    const computeLabelField = (0, _vue.computed)(() => {
      const propsOpts = computePropsOpts.value;
      return propsOpts.label || 'label';
    });
    const computeValueField = (0, _vue.computed)(() => {
      const propsOpts = computePropsOpts.value;
      return propsOpts.value || 'value';
    });
    const computeChildrenField = (0, _vue.computed)(() => {
      const propsOpts = computePropsOpts.value;
      return propsOpts.children || 'children';
    });
    const computeParentField = (0, _vue.computed)(() => {
      const propsOpts = computePropsOpts.value;
      return propsOpts.parent || 'parentField';
    });
    const computeHasChildField = (0, _vue.computed)(() => {
      const propsOpts = computePropsOpts.value;
      return propsOpts.hasChild || 'hasChild';
    });
    const computeSelectLabel = (0, _vue.computed)(() => {
      const {
        modelValue
      } = props;
      const {
        fullNodeMaps
      } = reactData;
      const labelField = computeLabelField.value;
      return (_xeUtils.default.isArray(modelValue) ? modelValue : [modelValue]).map(val => {
        const cacheItem = fullNodeMaps[val];
        return cacheItem ? cacheItem.item[labelField] : val;
      }).join(', ');
    });
    const computePopupWrapperStyle = (0, _vue.computed)(() => {
      const popupOpts = computePopupOpts.value;
      const {
        height,
        width
      } = popupOpts;
      const stys = {};
      if (width) {
        stys.width = (0, _dom.toCssUnit)(width);
      }
      if (height) {
        stys.height = (0, _dom.toCssUnit)(height);
        stys.maxHeight = (0, _dom.toCssUnit)(height);
      }
      return stys;
    });
    const computeMaps = {};
    const $xeTreeSelect = {
      xID,
      props,
      context,
      reactData,
      internalData,
      getRefMaps: () => refMaps,
      getComputeMaps: () => computeMaps
    };
    const dispatchEvent = (type, params, evnt) => {
      emit(type, (0, _ui.createEvent)(evnt, {
        $treeSelect: $xeTreeSelect
      }, params));
    };
    const emitModel = value => {
      emit('update:modelValue', value);
    };
    const treeSelectMethods = {
      dispatchEvent
    };
    const getNodeid = option => {
      const nodeKeyField = computeNodeKeyField.value;
      const nodeid = option[nodeKeyField];
      return nodeid ? encodeURIComponent(nodeid) : '';
    };
    const cacheDataMap = () => {
      const {
        options
      } = props;
      const nodeKeyField = computeNodeKeyField.value;
      const childrenField = computeChildrenField.value;
      const valueField = computeValueField.value;
      const nodeMaps = {};
      const keyMaps = {};
      _xeUtils.default.eachTree(options, (item, index, items, path, parent, nodes) => {
        let nodeid = getNodeid(item);
        if (!nodeid) {
          nodeid = getOptUniqueId();
        }
        if (keyMaps[nodeid]) {
          (0, _log.errLog)('vxe.error.repeatKey', [nodeKeyField, nodeid]);
        }
        keyMaps[nodeid] = true;
        const value = item[valueField];
        if (nodeMaps[value]) {
          (0, _log.errLog)('vxe.error.repeatKey', [valueField, value]);
        }
        nodeMaps[value] = {
          item,
          index,
          items,
          parent,
          nodes
        };
      }, {
        children: childrenField
      });
      reactData.fullOptionList = options || [];
      reactData.fullNodeMaps = nodeMaps;
    };
    const updateZindex = () => {
      if (reactData.panelIndex < (0, _utils.getLastZIndex)()) {
        reactData.panelIndex = (0, _utils.nextZIndex)();
      }
    };
    const updatePlacement = () => {
      return (0, _vue.nextTick)().then(() => {
        const {
          placement
        } = props;
        const {
          panelIndex
        } = reactData;
        const el = refElem.value;
        const panelElem = refOptionPanel.value;
        const btnTransfer = computeBtnTransfer.value;
        if (panelElem && el) {
          const targetHeight = el.offsetHeight;
          const targetWidth = el.offsetWidth;
          const panelHeight = panelElem.offsetHeight;
          const panelWidth = panelElem.offsetWidth;
          const marginSize = 5;
          const panelStyle = {
            zIndex: panelIndex
          };
          const {
            boundingTop,
            boundingLeft,
            visibleHeight,
            visibleWidth
          } = (0, _dom.getAbsolutePos)(el);
          let panelPlacement = 'bottom';
          if (btnTransfer) {
            let left = boundingLeft;
            let top = boundingTop + targetHeight;
            if (placement === 'top') {
              panelPlacement = 'top';
              top = boundingTop - panelHeight;
            } else if (!placement) {
              // 如果下面不够放，则向上
              if (top + panelHeight + marginSize > visibleHeight) {
                panelPlacement = 'top';
                top = boundingTop - panelHeight;
              }
              // 如果上面不够放，则向下（优先）
              if (top < marginSize) {
                panelPlacement = 'bottom';
                top = boundingTop + targetHeight;
              }
            }
            // 如果溢出右边
            if (left + panelWidth + marginSize > visibleWidth) {
              left -= left + panelWidth + marginSize - visibleWidth;
            }
            // 如果溢出左边
            if (left < marginSize) {
              left = marginSize;
            }
            Object.assign(panelStyle, {
              left: `${left}px`,
              top: `${top}px`,
              minWidth: `${targetWidth}px`
            });
          } else {
            if (placement === 'top') {
              panelPlacement = 'top';
              panelStyle.bottom = `${targetHeight}px`;
            } else if (!placement) {
              // 如果下面不够放，则向上
              if (boundingTop + targetHeight + panelHeight > visibleHeight) {
                // 如果上面不够放，则向下（优先）
                if (boundingTop - targetHeight - panelHeight > marginSize) {
                  panelPlacement = 'top';
                  panelStyle.bottom = `${targetHeight}px`;
                }
              }
            }
          }
          reactData.panelStyle = panelStyle;
          reactData.panelPlacement = panelPlacement;
          return (0, _vue.nextTick)();
        }
      });
    };
    const showOptionPanel = () => {
      const {
        loading
      } = props;
      const isDisabled = computeIsDisabled.value;
      if (!loading && !isDisabled) {
        clearTimeout(internalData.hpTimeout);
        if (!reactData.initialized) {
          reactData.initialized = true;
        }
        reactData.isActivated = true;
        reactData.isAniVisible = true;
        setTimeout(() => {
          reactData.visiblePanel = true;
        }, 10);
        updateZindex();
        updatePlacement();
      }
    };
    const hideOptionPanel = () => {
      reactData.visiblePanel = false;
      internalData.hpTimeout = setTimeout(() => {
        reactData.isAniVisible = false;
      }, 350);
    };
    const changeEvent = (evnt, selectValue) => {
      const {
        fullNodeMaps
      } = reactData;
      emitModel(selectValue);
      if (selectValue !== props.modelValue) {
        const cacheItem = fullNodeMaps[selectValue];
        dispatchEvent('change', {
          value: selectValue,
          option: cacheItem ? cacheItem.item : null
        }, evnt);
        // 自动更新校验状态
        if ($xeForm && formItemInfo) {
          $xeForm.triggerItemEvent(evnt, formItemInfo.itemConfig.field, selectValue);
        }
      }
    };
    const clearValueEvent = (evnt, selectValue) => {
      changeEvent(evnt, selectValue);
      dispatchEvent('clear', {
        value: selectValue
      }, evnt);
    };
    const clearEvent = (params, evnt) => {
      clearValueEvent(evnt, null);
      hideOptionPanel();
    };
    const handleGlobalMousewheelEvent = evnt => {
      const {
        visiblePanel
      } = reactData;
      const isDisabled = computeIsDisabled.value;
      if (!isDisabled) {
        if (visiblePanel) {
          const panelElem = refOptionPanel.value;
          if ((0, _dom.getEventTargetNode)(evnt, panelElem).flag) {
            updatePlacement();
          } else {
            hideOptionPanel();
          }
        }
      }
    };
    const handleGlobalMousedownEvent = evnt => {
      const {
        visiblePanel
      } = reactData;
      const isDisabled = computeIsDisabled.value;
      if (!isDisabled) {
        const el = refElem.value;
        const panelElem = refOptionPanel.value;
        reactData.isActivated = (0, _dom.getEventTargetNode)(evnt, el).flag || (0, _dom.getEventTargetNode)(evnt, panelElem).flag;
        if (visiblePanel && !reactData.isActivated) {
          hideOptionPanel();
        }
      }
    };
    const handleGlobalBlurEvent = () => {
      hideOptionPanel();
    };
    const focusEvent = evnt => {
      const isDisabled = computeIsDisabled.value;
      if (!isDisabled) {
        if (!reactData.visiblePanel) {
          reactData.triggerFocusPanel = true;
          showOptionPanel();
          setTimeout(() => {
            reactData.triggerFocusPanel = false;
          }, 150);
        }
      }
      dispatchEvent('focus', {}, evnt);
    };
    const clickEvent = evnt => {
      togglePanelEvent(evnt);
      dispatchEvent('click', {}, evnt);
    };
    const blurEvent = evnt => {
      reactData.isActivated = false;
      dispatchEvent('blur', {}, evnt);
    };
    const togglePanelEvent = params => {
      const {
        $event
      } = params;
      $event.preventDefault();
      if (reactData.triggerFocusPanel) {
        reactData.triggerFocusPanel = false;
      } else {
        if (reactData.visiblePanel) {
          hideOptionPanel();
        } else {
          showOptionPanel();
        }
      }
    };
    const nodeClickEvent = params => {
      const {
        $event
      } = params;
      dispatchEvent('node-click', params, $event);
    };
    const radioChangeEvent = params => {
      const {
        value,
        $event
      } = params;
      changeEvent($event, value);
      hideOptionPanel();
    };
    const checkboxChangeEvent = params => {
      const {
        value,
        $event
      } = params;
      changeEvent($event, value);
    };
    const loadSuccessEvent = () => {
      cacheDataMap();
    };
    const treeSelectPrivateMethods = {};
    Object.assign($xeTreeSelect, treeSelectMethods, treeSelectPrivateMethods);
    const renderVN = () => {
      const {
        className,
        modelValue,
        multiple,
        options,
        loading
      } = props;
      const {
        initialized,
        isActivated,
        isAniVisible,
        visiblePanel
      } = reactData;
      const vSize = computeSize.value;
      const isDisabled = computeIsDisabled.value;
      const selectLabel = computeSelectLabel.value;
      const btnTransfer = computeBtnTransfer.value;
      const formReadonly = computeFormReadonly.value;
      const popupWrapperStyle = computePopupWrapperStyle.value;
      const headerSlot = slots.header;
      const footerSlot = slots.footer;
      const prefixSlot = slots.prefix;
      const popupOpts = computePopupOpts.value;
      const popupClassName = popupOpts.className || props.popupClassName;
      const treeOpts = computeTreeOpts.value;
      const treeNodeOpts = computeTreeNodeOpts.value;
      const treeCheckboxOpts = computeTreeCheckboxOpts.value;
      const treeRadioOpts = computeTreeRadioOpts.value;
      const nodeKeyField = computeNodeKeyField.value;
      const labelField = computeLabelField.value;
      const valueField = computeValueField.value;
      const childrenField = computeChildrenField.value;
      const parentField = computeParentField.value;
      const hasChildField = computeHasChildField.value;
      if (formReadonly) {
        return (0, _vue.h)('div', {
          ref: refElem,
          class: ['vxe-tree-select--readonly', className]
        }, [(0, _vue.h)('span', {
          class: 'vxe-tree-select-label'
        }, selectLabel)]);
      }
      return (0, _vue.h)('div', {
        ref: refElem,
        class: ['vxe-tree-select', className ? _xeUtils.default.isFunction(className) ? className({
          $treeSelect: $xeTreeSelect
        }) : className : '', {
          [`size--${vSize}`]: vSize,
          'is--visible': visiblePanel,
          'is--disabled': isDisabled,
          'is--loading': loading,
          'is--active': isActivated
        }]
      }, [(0, _vue.h)(_input.default, {
        ref: refInput,
        clearable: props.clearable,
        placeholder: loading ? (0, _ui.getI18n)('vxe.select.loadingText') : props.placeholder,
        readonly: true,
        disabled: isDisabled,
        type: 'text',
        prefixIcon: props.prefixIcon,
        suffixIcon: loading ? (0, _ui.getIcon)().TREE_SELECT_LOADED : visiblePanel ? (0, _ui.getIcon)().TREE_SELECT_OPEN : (0, _ui.getIcon)().TREE_SELECT_CLOSE,
        modelValue: loading ? '' : selectLabel,
        onClear: clearEvent,
        onClick: clickEvent,
        onFocus: focusEvent,
        onBlur: blurEvent,
        onSuffixClick: togglePanelEvent
      }, prefixSlot ? {
        prefix: () => prefixSlot({})
      } : {}), (0, _vue.h)(_vue.Teleport, {
        to: 'body',
        disabled: btnTransfer ? !initialized : true
      }, [(0, _vue.h)('div', {
        ref: refOptionPanel,
        class: ['vxe-table--ignore-clear vxe-tree-select--panel', popupClassName ? _xeUtils.default.isFunction(popupClassName) ? popupClassName({
          $treeSelect: $xeTreeSelect
        }) : popupClassName : '', {
          [`size--${vSize}`]: vSize,
          'is--transfer': btnTransfer,
          'ani--leave': !loading && isAniVisible,
          'ani--enter': !loading && visiblePanel
        }],
        placement: reactData.panelPlacement,
        style: reactData.panelStyle
      }, initialized ? [(0, _vue.h)('div', {
        class: 'vxe-tree-select--panel-wrapper'
      }, [headerSlot ? (0, _vue.h)('div', {
        class: 'vxe-tree-select--panel-header'
      }, headerSlot({})) : (0, _ui.renderEmptyElement)($xeTreeSelect), (0, _vue.h)('div', {
        class: 'vxe-tree-select--panel-body'
      }, [(0, _vue.h)('div', {
        ref: refTreeWrapper,
        class: 'vxe-tree-select-tree--wrapper',
        style: popupWrapperStyle
      }, [(0, _vue.h)(_tree.default, {
        class: 'vxe-tree-select--tree',
        data: options,
        indent: treeOpts.indent,
        showRadio: !multiple,
        radioConfig: treeRadioOpts,
        checkNodeKey: multiple ? null : modelValue,
        showCheckbox: !!multiple,
        checkNodeKeys: multiple ? modelValue : null,
        checkboxConfig: treeCheckboxOpts,
        titleField: labelField,
        valueField: valueField,
        keyField: nodeKeyField,
        childrenField: treeOpts.childrenField || childrenField,
        parentField: treeOpts.parentField || parentField,
        hasChildField: treeOpts.hasChildField || hasChildField,
        accordion: treeOpts.accordion,
        expandAll: treeOpts.expandAll,
        nodeConfig: treeNodeOpts,
        lazy: treeOpts.lazy,
        loadMethod: treeOpts.loadMethod,
        toggleMethod: treeOpts.toggleMethod,
        transform: treeOpts.transform,
        trigger: treeOpts.trigger,
        showIcon: treeOpts.showIcon,
        showLine: treeOpts.showLine,
        iconOpen: treeOpts.iconOpen,
        iconLoaded: treeOpts.iconLoaded,
        iconClose: treeOpts.iconClose,
        onNodeClick: nodeClickEvent,
        onRadioChange: radioChangeEvent,
        onCheckboxChange: checkboxChangeEvent,
        onLoadSuccess: loadSuccessEvent
      })])]), footerSlot ? (0, _vue.h)('div', {
        class: 'vxe-tree-select--panel-footer'
      }, footerSlot({})) : (0, _ui.renderEmptyElement)($xeTreeSelect)])] : [])])]);
    };
    (0, _vue.watch)(() => props.options, () => {
      cacheDataMap();
    });
    cacheDataMap();
    (0, _vue.onMounted)(() => {
      _ui.globalEvents.on($xeTreeSelect, 'mousewheel', handleGlobalMousewheelEvent);
      _ui.globalEvents.on($xeTreeSelect, 'mousedown', handleGlobalMousedownEvent);
      _ui.globalEvents.on($xeTreeSelect, 'blur', handleGlobalBlurEvent);
    });
    (0, _vue.onUnmounted)(() => {
      _ui.globalEvents.off($xeTreeSelect, 'mousewheel');
      _ui.globalEvents.off($xeTreeSelect, 'mousedown');
      _ui.globalEvents.off($xeTreeSelect, 'blur');
    });
    (0, _vue.provide)('$xeTreeSelect', $xeTreeSelect);
    $xeTreeSelect.renderVN = renderVN;
    return $xeTreeSelect;
  },
  render() {
    return this.renderVN();
  }
});