From 62adeccd94bff5d5e095cdb8242fc83c40b67e80 Mon Sep 17 00:00:00 2001
From: tangjinzhou <415800467@qq.com>
Date: Tue, 6 Feb 2018 19:00:34 +0800
Subject: [PATCH] add vc-select

---
 components/vc-select/DropdownMenu.vue  | 186 +++++++++++++++++++++++++
 components/vc-select/OptGroup.vue      |   5 +
 components/vc-select/Option.vue        |  13 ++
 components/vc-select/PropTypes.js      |  84 +++++++++++
 components/vc-select/Select.vue        |   0
 components/vc-select/SelectTrigger.vue |   0
 components/vc-select/util.js           | 165 ++++++++++++++++++++++
 7 files changed, 453 insertions(+)
 create mode 100644 components/vc-select/OptGroup.vue
 create mode 100644 components/vc-select/Option.vue
 create mode 100644 components/vc-select/PropTypes.js
 create mode 100644 components/vc-select/Select.vue
 create mode 100644 components/vc-select/SelectTrigger.vue
 create mode 100644 components/vc-select/util.js

diff --git a/components/vc-select/DropdownMenu.vue b/components/vc-select/DropdownMenu.vue
index e69de29bb..35bf7f5ef 100644
--- a/components/vc-select/DropdownMenu.vue
+++ b/components/vc-select/DropdownMenu.vue
@@ -0,0 +1,186 @@
+<script>
+import PropTypes from '../_util/vue-types'
+import toArray from 'rc-util/lib/Children/toArray'
+import Menu from '../vc-menu'
+import scrollIntoView from 'dom-scroll-into-view'
+import { getSelectKeys, preventDefaultEvent, saveRef } from './util'
+
+export default {
+  props: {
+    defaultActiveFirstOption: PropTypes.bool,
+    value: PropTypes.any,
+    dropdownMenuStyle: PropTypes.object,
+    multiple: PropTypes.bool,
+    onPopupFocus: PropTypes.func,
+    onPopupScroll: PropTypes.func,
+    onMenuDeSelect: PropTypes.func,
+    onMenuSelect: PropTypes.func,
+    prefixCls: PropTypes.string,
+    menuItems: PropTypes.any,
+    inputValue: PropTypes.string,
+    visible: PropTypes.bool,
+  },
+
+  beforeMount () {
+    this.lastInputValue = this.$props.inputValue
+  },
+
+  mounted () {
+    this.$nextTick(() => {
+      this.scrollActiveItemToView()
+    })
+    this.lastVisible = this.$props.visible
+  },
+  watch: {
+    visible (val) {
+      if (!val) {
+        this.lastVisible = false
+      }
+    },
+  },
+
+  // shouldComponentUpdate (nextProps) {
+  //   if (!nextProps.visible) {
+  //     this.lastVisible = false
+  //   }
+  //   // freeze when hide
+  //   return nextProps.visible
+  // }
+
+  updated () {
+    const prevProps = this.prevProps
+    const props = this.$props
+    if (!prevProps.visible && props.visible) {
+      this.$nextTick(() => {
+        this.scrollActiveItemToView()
+      })
+    }
+    this.lastVisible = props.visible
+    this.lastInputValue = props.inputValue
+  },
+  methods: {
+    scrollActiveItemToView () {
+    // scroll into view
+      const itemComponent = this.$refs.firstActiveItem.$el
+      const props = this.$props
+
+      if (itemComponent) {
+        const scrollIntoViewOpts = {
+          onlyScrollIfNeeded: true,
+        }
+        if (
+          (!props.value || props.value.length === 0) &&
+        props.firstActiveValue
+        ) {
+          scrollIntoViewOpts.alignWithTop = true
+        }
+
+        scrollIntoView(
+          itemComponent,
+          this.$refs.menuRef.$el,
+          scrollIntoViewOpts
+        )
+      }
+    },
+
+    renderMenu () {
+      const props = this.props
+      const {
+        menuItems,
+        defaultActiveFirstOption,
+        value,
+        prefixCls,
+        multiple,
+        onMenuSelect,
+        inputValue,
+        firstActiveValue,
+      } = props
+      if (menuItems && menuItems.length) {
+        const menuProps = {}
+        if (multiple) {
+          menuProps.onDeselect = props.onMenuDeselect
+          menuProps.onSelect = onMenuSelect
+        } else {
+          menuProps.onClick = onMenuSelect
+        }
+
+        const selectedKeys = getSelectKeys(menuItems, value)
+        const activeKeyProps = {}
+
+        let clonedMenuItems = menuItems
+        if (selectedKeys.length || firstActiveValue) {
+          if (props.visible && !this.lastVisible) {
+            activeKeyProps.activeKey = selectedKeys[0] || firstActiveValue
+          }
+          let foundFirst = false
+          // set firstActiveItem via cloning menus
+          // for scroll into view
+          const clone = item => {
+            if (
+              (!foundFirst && selectedKeys.indexOf(item.key) !== -1) ||
+            (!foundFirst &&
+              !selectedKeys.length &&
+              firstActiveValue.indexOf(item.key) !== -1)
+            ) {
+              foundFirst = true
+              return cloneElement(item, {
+                ref: ref => {
+                  this.firstActiveItem = ref
+                },
+              })
+            }
+            return item
+          }
+
+          clonedMenuItems = menuItems.map(item => {
+            if (item.type.isMenuItemGroup) {
+              const children = toArray(item.props.children).map(clone)
+              return cloneElement(item, {}, children)
+            }
+            return clone(item)
+          })
+        }
+
+        // clear activeKey when inputValue change
+        const lastValue = value && value[value.length - 1]
+        if (inputValue !== this.lastInputValue && (!lastValue || !lastValue.backfill)) {
+          activeKeyProps.activeKey = ''
+        }
+
+        return (
+          <Menu
+            ref={saveRef(this, 'menuRef')}
+            style={this.props.dropdownMenuStyle}
+            defaultActiveFirst={defaultActiveFirstOption}
+            {...activeKeyProps}
+            multiple={multiple}
+            focusable={false}
+            {...menuProps}
+            selectedKeys={selectedKeys}
+            prefixCls={`${prefixCls}-menu`}
+          >
+            {clonedMenuItems}
+          </Menu>
+        )
+      }
+      return null
+    },
+  },
+  render () {
+    const renderMenu = this.renderMenu()
+    return renderMenu ? (
+      <div
+        style={{ overflow: 'auto' }}
+        onFocus={this.props.onPopupFocus}
+        onMouseDown={preventDefaultEvent}
+        onScroll={this.props.onPopupScroll}
+      >
+        {renderMenu}
+      </div>
+    ) : null
+  },
+}
+
+DropdownMenu.displayName = 'DropdownMenu'
+
+</script>
diff --git a/components/vc-select/OptGroup.vue b/components/vc-select/OptGroup.vue
new file mode 100644
index 000000000..3d7d08eea
--- /dev/null
+++ b/components/vc-select/OptGroup.vue
@@ -0,0 +1,5 @@
+<script>
+export default {
+  isSelectOptGroup: true,
+}
+</script>
diff --git a/components/vc-select/Option.vue b/components/vc-select/Option.vue
new file mode 100644
index 000000000..af6f3ab5b
--- /dev/null
+++ b/components/vc-select/Option.vue
@@ -0,0 +1,13 @@
+<script>
+import PropTypes from '../_util/vue-types'
+
+export default {
+  props: {
+    value: PropTypes.oneOfType([
+      PropTypes.string,
+      PropTypes.number,
+    ]),
+  },
+  isSelectOption: true,
+}
+</script>
diff --git a/components/vc-select/PropTypes.js b/components/vc-select/PropTypes.js
new file mode 100644
index 000000000..6b6b2bc18
--- /dev/null
+++ b/components/vc-select/PropTypes.js
@@ -0,0 +1,84 @@
+import PropTypes from '../_util/vue-types'
+
+function valueType (props, propName, componentName) {
+  const basicType = PropTypes.oneOfType([
+    PropTypes.string,
+    PropTypes.number,
+  ])
+
+  const labelInValueShape = PropTypes.shape({
+    key: basicType.isRequired,
+    label: PropTypes.node,
+  })
+  if (props.labelInValue) {
+    const validate = PropTypes.oneOfType([
+      PropTypes.arrayOf(labelInValueShape),
+      labelInValueShape,
+    ])
+    const error = validate(...arguments)
+    if (error) {
+      return new Error(
+        `Invalid prop \`${propName}\` supplied to \`${componentName}\`, ` +
+          `when you set \`labelInValue\` to \`true\`, \`${propName}\` should in ` +
+          `shape of \`{ key: string | number, label?: ReactNode }\`.`
+      )
+    }
+  } else if (
+    (props.mode === 'multiple' || props.mode === 'tags' || props.multiple || props.tags) &&
+    props[propName] === ''
+  ) {
+    return new Error(
+      `Invalid prop \`${propName}\` of type \`string\` supplied to \`${componentName}\`, ` +
+        `expected \`array\` when \`multiple\` or \`tags\` is \`true\`.`
+    )
+  } else {
+    const validate = PropTypes.oneOfType([
+      PropTypes.arrayOf(basicType),
+      basicType,
+    ])
+    return validate(...arguments)
+  }
+}
+
+export const SelectPropTypes = {
+  defaultActiveFirstOption: PropTypes.bool,
+  multiple: PropTypes.bool,
+  filterOption: PropTypes.any,
+  // children: PropTypes.any,
+  showSearch: PropTypes.bool,
+  disabled: PropTypes.bool,
+  allowClear: PropTypes.bool,
+  showArrow: PropTypes.bool,
+  tags: PropTypes.bool,
+  prefixCls: PropTypes.string,
+  // className: PropTypes.string,
+  transitionName: PropTypes.string,
+  optionLabelProp: PropTypes.string,
+  optionFilterProp: PropTypes.string,
+  animation: PropTypes.string,
+  choiceTransitionName: PropTypes.string,
+  // onChange: PropTypes.func,
+  // onBlur: PropTypes.func,
+  // onFocus: PropTypes.func,
+  // onSelect: PropTypes.func,
+  // onSearch: PropTypes.func,
+  // onPopupScroll: PropTypes.func,
+  // onMouseEnter: PropTypes.func,
+  // onMouseLeave: PropTypes.func,
+  // onInputKeyDown: PropTypes.func,
+  placeholder: PropTypes.any,
+  // onDeselect: PropTypes.func,
+  labelInValue: PropTypes.bool,
+  value: valueType,
+  defaultValue: valueType,
+  dropdownStyle: PropTypes.object,
+  maxTagTextLength: PropTypes.number,
+  maxTagCount: PropTypes.number,
+  maxTagPlaceholder: PropTypes.oneOfType([
+    PropTypes.node,
+    PropTypes.func,
+  ]),
+  tokenSeparators: PropTypes.arrayOf(PropTypes.string),
+  getInputElement: PropTypes.func,
+  showAction: PropTypes.arrayOf(PropTypes.string),
+}
diff --git a/components/vc-select/Select.vue b/components/vc-select/Select.vue
new file mode 100644
index 000000000..e69de29bb
diff --git a/components/vc-select/SelectTrigger.vue b/components/vc-select/SelectTrigger.vue
new file mode 100644
index 000000000..e69de29bb
diff --git a/components/vc-select/util.js b/components/vc-select/util.js
new file mode 100644
index 000000000..24e88768c
--- /dev/null
+++ b/components/vc-select/util.js
@@ -0,0 +1,165 @@
+export function getValuePropValue (child) {
+  const props = child.props
+  if ('value' in props) {
+    return props.value
+  }
+  if (child.key) {
+    return child.key
+  }
+  if (child.type && child.type.isSelectOptGroup && props.label) {
+    return props.label
+  }
+  throw new Error(
+    `Need at least a key or a value or a label (only for OptGroup) for ${child}`
+  )
+}
+
+export function getPropValue (child, prop) {
+  if (prop === 'value') {
+    return getValuePropValue(child)
+  }
+  return child.props[prop]
+}
+
+export function isMultiple (props) {
+  return props.multiple
+}
+
+export function isCombobox (props) {
+  return props.combobox
+}
+
+export function isMultipleOrTags (props) {
+  return props.multiple || props.tags
+}
+
+export function isMultipleOrTagsOrCombobox (props) {
+  return isMultipleOrTags(props) || isCombobox(props)
+}
+
+export function isSingleMode (props) {
+  return !isMultipleOrTagsOrCombobox(props)
+}
+
+export function toArray (value) {
+  let ret = value
+  if (value === undefined) {
+    ret = []
+  } else if (!Array.isArray(value)) {
+    ret = [value]
+  }
+  return ret
+}
+
+export function preventDefaultEvent (e) {
+  e.preventDefault()
+}
+
+export function findIndexInValueByKey (value, key) {
+  let index = -1
+  for (let i = 0; i < value.length; i++) {
+    if (value[i].key === key) {
+      index = i
+      break
+    }
+  }
+  return index
+}
+
+export function findIndexInValueByLabel (value, label) {
+  let index = -1
+  for (let i = 0; i < value.length; i++) {
+    if (toArray(value[i].label).join('') === label) {
+      index = i
+      break
+    }
+  }
+  return index
+}
+
+export function getSelectKeys (menuItems, value) {
+  if (value === null || value === undefined) {
+    return []
+  }
+  let selectedKeys = []
+  menuItems.forEach(item => {
+    if (item.type.isMenuItemGroup) {
+      selectedKeys = selectedKeys.concat(
+        getSelectKeys(item.props.children, value)
+      )
+    } else {
+      const itemValue = getValuePropValue(item)
+      const itemKey = item.key
+      if (findIndexInValueByKey(value, itemValue) !== -1 && itemKey) {
+        selectedKeys.push(itemKey)
+      }
+    }
+  })
+  return selectedKeys
+}
+
+export const UNSELECTABLE_STYLE = {
+  userSelect: 'none',
+  WebkitUserSelect: 'none',
+}
+
+export const UNSELECTABLE_ATTRIBUTE = {
+  unselectable: 'unselectable',
+}
+
+export function findFirstMenuItem (children) {
+  for (let i = 0; i < children.length; i++) {
+    const child = children[i]
+    if (child.type.isMenuItemGroup) {
+      const found = findFirstMenuItem(child.props.children)
+      if (found) {
+        return found
+      }
+    } else if (!child.props.disabled) {
+      return child
+    }
+  }
+  return null
+}
+
+export function includesSeparators (string, separators) {
+  for (let i = 0; i < separators.length; ++i) {
+    if (string.lastIndexOf(separators[i]) > 0) {
+      return true
+    }
+  }
+  return false
+}
+
+export function splitBySeparators (string, separators) {
+  const reg = new RegExp(`[${separators.join()}]`)
+  return string.split(reg).filter(token => token)
+}
+
+export function defaultFilterFn (input, child) {
+  if (child.props.disabled) {
+    return false
+  }
+  const value = String(getPropValue(child, this.props.optionFilterProp))
+  return (
+    value.toLowerCase().indexOf(input.toLowerCase()) > -1
+  )
+}
+
+export function validateOptionValue (value, props) {
+  if (isSingleMode(props) || isMultiple(props)) {
+    return
+  }
+  if (typeof value !== 'string') {
+    throw new Error(
+      `Invalid \`value\` of type \`${typeof value}\` supplied to Option, ` +
+      `expected \`string\` when \`tags/combobox\` is \`true\`.`
+    )
+  }
+}
+
+export function saveRef (instance, name) {
+  return (node) => {
+    instance[name] = node
+  }
+}