ant-design-vue/components/vc-menu/SubPopupMenu.jsx
2020-06-17 19:50:22 +08:00

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import { Comment } from 'vue';
import PropTypes from '../_util/vue-types';
import { connect } from '../_util/store';
import BaseMixin from '../_util/BaseMixin';
import KeyCode from '../_util/KeyCode';
import classNames from 'classnames';
import { getKeyFromChildrenIndex, loopMenuItem, noop, isMobileDevice, menuAllProps } from './util';
import DOMWrap from './DOMWrap';
import { cloneElement } from '../_util/vnode';
import { initDefaultProps, getOptionProps, getComponent, splitAttrs } from '../_util/props-util';
function allDisabled(arr) {
if (!arr.length) {
return true;
}
return arr.every(c => {
return !!c.disabled;
});
}
function updateActiveKey(store, menuId, activeKey) {
const state = store.getState();
store.setState({
activeKey: {
...state.activeKey,
[menuId]: activeKey,
},
});
}
function getEventKey(props) {
// when eventKey not available ,it's menu and return menu id '0-menu-'
return props.eventKey || '0-menu-';
}
export function saveRef(key, c) {
if (c) {
const index = this.instanceArrayKeyIndexMap[key];
this.instanceArray[index] = c;
}
}
export function getActiveKey(props, originalActiveKey) {
let activeKey = originalActiveKey;
const { eventKey, defaultActiveFirst, children } = props;
if (activeKey !== undefined && activeKey !== null) {
let found;
loopMenuItem(children, (c, i) => {
const propsData = c.componentOptions.propsData || {};
if (c && !propsData.disabled && activeKey === getKeyFromChildrenIndex(c, eventKey, i)) {
found = true;
}
});
if (found) {
return activeKey;
}
}
activeKey = null;
if (defaultActiveFirst) {
loopMenuItem(children, (c, i) => {
const propsData = c.componentOptions.propsData || {};
const noActiveKey = activeKey === null || activeKey === undefined;
if (noActiveKey && c && !propsData.disabled) {
activeKey = getKeyFromChildrenIndex(c, eventKey, i);
}
});
return activeKey;
}
return activeKey;
}
const SubPopupMenu = {
name: 'SubPopupMenu',
inheritAttrs: false,
props: initDefaultProps(
{
// onSelect: PropTypes.func,
// onClick: PropTypes.func,
// onDeselect: PropTypes.func,
// onOpenChange: PropTypes.func,
// onDestroy: PropTypes.func,
prefixCls: PropTypes.string,
openTransitionName: PropTypes.string,
openAnimation: PropTypes.oneOfType([PropTypes.string, PropTypes.object]),
openKeys: PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.string, PropTypes.number])),
visible: PropTypes.bool,
parentMenu: PropTypes.object,
eventKey: PropTypes.string,
store: PropTypes.object,
// adding in refactor
focusable: PropTypes.bool,
multiple: PropTypes.bool,
defaultActiveFirst: PropTypes.bool,
activeKey: PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
selectedKeys: PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.string, PropTypes.number])),
defaultSelectedKeys: PropTypes.arrayOf(
PropTypes.oneOfType([PropTypes.string, PropTypes.number]),
),
defaultOpenKeys: PropTypes.arrayOf(PropTypes.oneOfType([PropTypes.string, PropTypes.number])),
level: PropTypes.number,
mode: PropTypes.oneOf([
'horizontal',
'vertical',
'vertical-left',
'vertical-right',
'inline',
]),
triggerSubMenuAction: PropTypes.oneOf(['click', 'hover']),
inlineIndent: PropTypes.oneOfType([PropTypes.number, PropTypes.string]),
manualRef: PropTypes.func,
itemIcon: PropTypes.any,
expandIcon: PropTypes.any,
overflowedIndicator: PropTypes.any,
children: PropTypes.any.def([]),
__propsSymbol__: PropTypes.any, // mock componentWillReceiveProps
},
{
prefixCls: 'rc-menu',
mode: 'vertical',
level: 1,
inlineIndent: 24,
visible: true,
focusable: true,
manualRef: noop,
},
),
mixins: [BaseMixin],
created() {
const props = getOptionProps(this);
this.prevProps = { ...props };
props.store.setState({
activeKey: {
...props.store.getState().activeKey,
[props.eventKey]: getActiveKey(props, props.activeKey),
},
});
this.instanceArray = [];
},
mounted() {
// invoke customized ref to expose component to mixin
if (this.manualRef) {
this.manualRef(this);
}
},
updated() {
const props = getOptionProps(this);
const prevProps = this.prevProps;
const originalActiveKey =
'activeKey' in props ? props.activeKey : props.store.getState().activeKey[getEventKey(props)];
const activeKey = getActiveKey(props, originalActiveKey);
if (activeKey !== originalActiveKey) {
updateActiveKey(props.store, getEventKey(props), activeKey);
} else if ('activeKey' in prevProps) {
// If prev activeKey is not same as current activeKey,
// we should set it.
const prevActiveKey = getActiveKey(prevProps, prevProps.activeKey);
if (activeKey !== prevActiveKey) {
updateActiveKey(props.store, getEventKey(props), activeKey);
}
}
this.prevProps = { ...props };
},
methods: {
// all keyboard events callbacks run from here at first
onKeyDown(e, callback) {
const keyCode = e.keyCode;
let handled;
this.getFlatInstanceArray().forEach(obj => {
if (obj && obj.active && obj.onKeyDown) {
handled = obj.onKeyDown(e);
}
});
if (handled) {
return 1;
}
let activeItem = null;
if (keyCode === KeyCode.UP || keyCode === KeyCode.DOWN) {
activeItem = this.step(keyCode === KeyCode.UP ? -1 : 1);
}
if (activeItem) {
e.preventDefault();
updateActiveKey(this.$props.store, getEventKey(this.$props), activeItem.eventKey);
if (typeof callback === 'function') {
callback(activeItem);
}
return 1;
}
return undefined;
},
onItemHover(e) {
const { key, hover } = e;
updateActiveKey(this.$props.store, getEventKey(this.$props), hover ? key : null);
},
onDeselect(selectInfo) {
this.__emit('deselect', selectInfo);
},
onSelect(selectInfo) {
this.__emit('select', selectInfo);
},
onClick(e) {
this.__emit('click', e);
},
onOpenChange(e) {
this.__emit('openChange', e);
},
onDestroy(key) {
this.__emit('destroy', key);
},
getFlatInstanceArray() {
return this.instanceArray;
},
getOpenTransitionName() {
return this.$props.openTransitionName;
},
step(direction) {
let children = this.getFlatInstanceArray();
const activeKey = this.$props.store.getState().activeKey[getEventKey(this.$props)];
const len = children.length;
if (!len) {
return null;
}
if (direction < 0) {
children = children.concat().reverse();
}
// find current activeIndex
let activeIndex = -1;
children.every((c, ci) => {
if (c && c.eventKey === activeKey) {
activeIndex = ci;
return false;
}
return true;
});
if (
!this.defaultActiveFirst &&
activeIndex !== -1 &&
allDisabled(children.slice(activeIndex, len - 1))
) {
return undefined;
}
const start = (activeIndex + 1) % len;
let i = start;
do {
const child = children[i];
if (!child || child.disabled) {
i = (i + 1) % len;
} else {
return child;
}
} while (i !== start);
return null;
},
getIcon(instance, name) {
return getComponent(instance, name);
},
renderCommonMenuItem(child, i, extraProps) {
if (child.type === Comment) {
return child;
}
const state = this.$props.store.getState();
const props = this.$props;
const key = getKeyFromChildrenIndex(child, props.eventKey, i);
const childProps = { ...getOptionProps(child), ...child.props }; // child.props 包含事件
const isActive = key === state.activeKey[getEventKey(this.$props)];
if (!childProps.disabled) {
// manualRef的执行顺序不能保证使用key映射ref在this.instanceArray中的位置
this.instanceArrayKeyIndexMap[key] = Object.keys(this.instanceArrayKeyIndexMap).length;
}
const newChildProps = {
mode: childProps.mode || props.mode,
level: props.level,
inlineIndent: props.inlineIndent,
renderMenuItem: this.renderMenuItem,
rootPrefixCls: props.prefixCls,
index: i,
parentMenu: props.parentMenu,
// customized ref function, need to be invoked manually in child's componentDidMount
manualRef: childProps.disabled ? noop : saveRef.bind(this, key),
eventKey: key,
active: !childProps.disabled && isActive,
multiple: props.multiple,
openTransitionName: this.getOpenTransitionName(),
openAnimation: props.openAnimation,
subMenuOpenDelay: props.subMenuOpenDelay,
subMenuCloseDelay: props.subMenuCloseDelay,
forceSubMenuRender: props.forceSubMenuRender,
builtinPlacements: props.builtinPlacements,
itemIcon: this.getIcon(child, 'itemIcon') || this.getIcon(this, 'itemIcon'),
expandIcon: this.getIcon(child, 'expandIcon') || this.getIcon(this, 'expandIcon'),
...extraProps,
onClick: e => {
(childProps.onClick || noop)(e);
this.onClick(e);
},
onItemHover: this.onItemHover,
onOpenChange: this.onOpenChange,
onDeselect: this.onDeselect,
// destroy: this.onDestroy,
onSelect: this.onSelect,
};
// ref: https://github.com/ant-design/ant-design/issues/13943
if (props.mode === 'inline' || isMobileDevice()) {
newChildProps.triggerSubMenuAction = 'click';
}
return cloneElement(child, newChildProps);
},
renderMenuItem(c, i, subMenuKey) {
if (!c) {
return null;
}
const state = this.$props.store.getState();
const extraProps = {
openKeys: state.openKeys,
selectedKeys: state.selectedKeys,
triggerSubMenuAction: this.triggerSubMenuAction,
isRootMenu: false,
subMenuKey,
};
return this.renderCommonMenuItem(c, i, extraProps);
},
},
render() {
const props = { ...this.$props };
const { onEvents } = splitAttrs(this.$attrs);
const { eventKey, prefixCls, visible, level, mode, theme } = props;
this.instanceArray = [];
this.instanceArrayKeyIndexMap = {};
const className = classNames(props.class, props.prefixCls, `${props.prefixCls}-${props.mode}`);
menuAllProps.forEach(key => delete props[key]);
// Otherwise, the propagated click event will trigger another onClick
delete onEvents.onClick;
const domWrapProps = {
...props,
tag: 'ul',
// hiddenClassName: `${prefixCls}-hidden`,
visible,
prefixCls,
level,
mode,
theme,
overflowedIndicator: getComponent(this, 'overflowedIndicator'),
role: props.role || 'menu',
class: className,
...onEvents,
};
// if (props.id) {
// domProps.id = props.id
// }
if (props.focusable) {
domWrapProps.tabIndex = '0';
domWrapProps.onKeydown = this.onKeyDown;
}
return (
// ESLint is not smart enough to know that the type of `children` was checked.
/* eslint-disable */
<DOMWrap {...domWrapProps}>
{props.children.map((c, i) => this.renderMenuItem(c, i, eventKey || '0-menu-'))}
</DOMWrap>
/*eslint -enable */
);
},
};
export default connect()(SubPopupMenu);