优化select 多选代码

scss/components/form/_select.scss

@@ -156,13 +156,17 @@
         user-select: none;
     }
 
-    &-checkall {
+    &-checkAll {
         padding: (
                 $Form-select-menu-height - $Form-input-lineHeight *
                     $Form-input-fontSize - px2rem(2px)
             )/2 $Form-select-paddingX;
         border-bottom: px2rem(1px) solid $Form-select-checkall-bottomBorder;
         min-width: px2rem(100px);
+
+        label {
+            display: block;
+        }
     }
 
     &-option {
@@ -187,10 +191,6 @@
             background-color: $Form-select-menu-onDisabled-bg;
         }
 
-        &.is-checkAll {
-            border-bottom: px2rem(1px) solid $Form-select-checkall-bottomBorder;
-        }
-
         &--placeholder {
             color: $Form-input-placeholderColor;
         }

src/components/Checkbox.tsx

@@ -1,4 +1,3 @@
-
 /**
  * @file Checkbox
  * @author fex
@@ -25,7 +24,6 @@ interface CheckboxProps {
     label?: string;
     className?: string;
     onChange?: (value: any) => void;
-    onClick?: (e:any, checked:boolean) => void;
     value?: any;
     containerClass?: string;
     inline?: boolean;
@@ -58,25 +56,6 @@ export class Checkbox extends React.Component<CheckboxProps, any> {
         onChange(e.currentTarget.checked ? trueValue : falseValue);
     }
 
-    @autobind
-    handleClick(e:any) {
-        const {
-            checked,
-            value,
-            trueValue,
-            onClick,
-            disabled
-        } = this.props;
-
-        const isChecked:boolean = !!(typeof checked !== 'undefined'
-            ? checked
-            : typeof value === 'undefined'
-                ? value
-                : value == trueValue);
-
-        disabled || onClick && onClick(e, isChecked);
-    }
-
     render() {
         let {
             size,
@@ -105,7 +84,6 @@ export class Checkbox extends React.Component<CheckboxProps, any> {
                     },
                     className
                 )}
-                onClick={this.handleClick}
             >
                 <input
                     type={type}

src/components/Select.tsx

@@ -188,6 +188,7 @@ export class Select extends React.Component<SelectProps, SelectState> {
 
     input: HTMLInputElement;
     target: HTMLElement;
+    menu: React.RefObject<HTMLDivElement> = React.createRef();
     constructor(props: SelectProps) {
         super(props);
 
@@ -252,7 +253,11 @@ export class Select extends React.Component<SelectProps, SelectState> {
         });
     }
 
-    toggle() {
+    toggle(e?: React.MouseEvent<HTMLDivElement>) {
+        if (e && this.menu.current && this.menu.current.contains(e.target as HTMLElement))  {
+            return;
+        }
+
         this.props.disabled ||
             this.setState({
                 isOpen: !this.state.isOpen,
@@ -336,7 +341,7 @@ export class Select extends React.Component<SelectProps, SelectState> {
     }
 
     handleChange(selectItem: any) {
-        const {onChange, multiple, onNewOptionClick, checkAll} = this.props;
+        const {onChange, multiple, onNewOptionClick} = this.props;
         let {selection} = this.state;
 
         if (selectItem.isNew) {
@@ -345,9 +350,6 @@ export class Select extends React.Component<SelectProps, SelectState> {
         }
 
         if (multiple) {
-            if (checkAll && selectItem.__all) {
-                this.toggleCheckAll();
-            } else {
             selection = selection.concat();
             const idx = selection.indexOf(selectItem);
             if (~idx) {
@@ -356,7 +358,6 @@ export class Select extends React.Component<SelectProps, SelectState> {
                 selection.push(selectItem);
             }
             onChange(selection);
-            }
         } else {
             onChange(selectItem);
         }
@@ -471,7 +472,6 @@ export class Select extends React.Component<SelectProps, SelectState> {
 
         if (multiple) {
             if (checkAll) {
-                filtedOptions.unshift({label: checkAllLabel, value: 'all', __all: true});
                 const optionsValues = options.map(option => option.value);
                 const selectionValues = selection.map(select => select.value);
                 checkedAll = optionsValues.every(option => selectionValues.indexOf(option) > -1);
@@ -499,7 +499,18 @@ export class Select extends React.Component<SelectProps, SelectState> {
         }
 
         const menu = (
-            <div className={cx('Select-menu')}>
+            <div ref={this.menu} className={cx('Select-menu')}>
+                {multiple && checkAll ? (
+                    <div className={cx('Select-checkAll')}>
+                        <Checkbox
+                            checked={checkedPartial}
+                            partial={checkedPartial && !checkedAll}
+                            onChange={this.toggleCheckAll}
+                        >
+                            {checkAllLabel}
+                        </Checkbox>
+                    </div>
+                ) : null}
                 {filtedOptions.length ? (
                     filtedOptions.map((item, index) => {
                         const checked = checkAll ? selection.some((o:Option) => o.value == item.value) : false;
@@ -515,24 +526,16 @@ export class Select extends React.Component<SelectProps, SelectState> {
                                 className={cx(`Select-option`, {
                                     'is-disabled': item.disabled,
                                     'is-highlight': highlightedIndex === index,
-                                    'is-checkAll': checkAll && index === 0,
                                     'is-active':
                                         selectedItem === item ||
                                         (Array.isArray(selectedItem) && ~selectedItem.indexOf(item)),
                                 })}
                             >
-                                {checkAll ? 
-                                    index === 0 ? (
-                                        <Checkbox
-                                            checked={checkedPartial}
-                                            partial={checkedPartial && !checkedAll}
-                                        >
-                                            {checkAllLabel}
-                                        </Checkbox>
-                                    ) : (
+                                {checkAll ? (
                                     <Checkbox
                                         checked={checked}
                                         trueValue={item.value}
+                                        onChange={() => this.handleChange(item)}
                                     >
                                         {item.isNew
                                             ? promptTextCreator(item.label as string)