You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
391 lines
12 KiB
391 lines
12 KiB
import { getComponentFromProp } from '../_util/props-util';
|
|
import PropTypes from '../_util/vue-types';
|
|
import Trigger from '../vc-trigger';
|
|
import Menus from './Menus';
|
|
import KeyCode from '../_util/KeyCode';
|
|
import arrayTreeFilter from 'array-tree-filter';
|
|
import shallowEqualArrays from 'shallow-equal/arrays';
|
|
import { hasProp, getEvents, getSlot } from '../_util/props-util';
|
|
import BaseMixin from '../_util/BaseMixin';
|
|
import { cloneElement } from '../_util/vnode';
|
|
|
|
const BUILT_IN_PLACEMENTS = {
|
|
bottomLeft: {
|
|
points: ['tl', 'bl'],
|
|
offset: [0, 4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
topLeft: {
|
|
points: ['bl', 'tl'],
|
|
offset: [0, -4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
bottomRight: {
|
|
points: ['tr', 'br'],
|
|
offset: [0, 4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
topRight: {
|
|
points: ['br', 'tr'],
|
|
offset: [0, -4],
|
|
overflow: {
|
|
adjustX: 1,
|
|
adjustY: 1,
|
|
},
|
|
},
|
|
};
|
|
|
|
export default {
|
|
mixins: [BaseMixin],
|
|
model: {
|
|
prop: 'value',
|
|
event: 'change',
|
|
},
|
|
props: {
|
|
value: PropTypes.array,
|
|
defaultValue: PropTypes.array,
|
|
options: PropTypes.array,
|
|
// onChange: PropTypes.func,
|
|
// onPopupVisibleChange: PropTypes.func,
|
|
popupVisible: PropTypes.bool,
|
|
disabled: PropTypes.bool.def(false),
|
|
transitionName: PropTypes.string.def(''),
|
|
popupClassName: PropTypes.string.def(''),
|
|
popupStyle: PropTypes.object.def({}),
|
|
popupPlacement: PropTypes.string.def('bottomLeft'),
|
|
prefixCls: PropTypes.string.def('rc-cascader'),
|
|
dropdownMenuColumnStyle: PropTypes.object,
|
|
builtinPlacements: PropTypes.object.def(BUILT_IN_PLACEMENTS),
|
|
loadData: PropTypes.func,
|
|
changeOnSelect: PropTypes.bool,
|
|
// onKeyDown: PropTypes.func,
|
|
expandTrigger: PropTypes.string.def('click'),
|
|
fieldNames: PropTypes.object.def({ label: 'label', value: 'value', children: 'children' }),
|
|
expandIcon: PropTypes.any,
|
|
loadingIcon: PropTypes.any,
|
|
getPopupContainer: PropTypes.func,
|
|
},
|
|
data() {
|
|
let initialValue = [];
|
|
const { value, defaultValue, popupVisible } = this;
|
|
if (hasProp(this, 'value')) {
|
|
initialValue = value || [];
|
|
} else if (hasProp(this, 'defaultValue')) {
|
|
initialValue = defaultValue || [];
|
|
}
|
|
// warning(!('filedNames' in props),
|
|
// '`filedNames` of Cascader is a typo usage and deprecated, please use `fieldNames` instead.');
|
|
|
|
return {
|
|
sPopupVisible: popupVisible,
|
|
sActiveValue: initialValue,
|
|
sValue: initialValue,
|
|
};
|
|
},
|
|
watch: {
|
|
value(val, oldValue) {
|
|
if (!shallowEqualArrays(val, oldValue)) {
|
|
const newValues = {
|
|
sValue: val || [],
|
|
};
|
|
// allow activeValue diff from value
|
|
// https://github.com/ant-design/ant-design/issues/2767
|
|
if (!hasProp(this, 'loadData')) {
|
|
newValues.sActiveValue = val || [];
|
|
}
|
|
this.setState(newValues);
|
|
}
|
|
},
|
|
popupVisible(val) {
|
|
this.setState({
|
|
sPopupVisible: val,
|
|
});
|
|
},
|
|
},
|
|
methods: {
|
|
getPopupDOMNode() {
|
|
return this.$refs.trigger.getPopupDomNode();
|
|
},
|
|
getFieldName(name) {
|
|
const { defaultFieldNames, fieldNames } = this;
|
|
return fieldNames[name] || defaultFieldNames[name];
|
|
},
|
|
getFieldNames() {
|
|
return this.fieldNames;
|
|
},
|
|
getCurrentLevelOptions() {
|
|
const { options = [], sActiveValue = [] } = this;
|
|
const result = arrayTreeFilter(
|
|
options,
|
|
(o, level) => o[this.getFieldName('value')] === sActiveValue[level],
|
|
{ childrenKeyName: this.getFieldName('children') },
|
|
);
|
|
if (result[result.length - 2]) {
|
|
return result[result.length - 2][this.getFieldName('children')];
|
|
}
|
|
return [...options].filter(o => !o.disabled);
|
|
},
|
|
getActiveOptions(activeValue) {
|
|
return arrayTreeFilter(
|
|
this.options || [],
|
|
(o, level) => o[this.getFieldName('value')] === activeValue[level],
|
|
{ childrenKeyName: this.getFieldName('children') },
|
|
);
|
|
},
|
|
setPopupVisible(popupVisible) {
|
|
if (!hasProp(this, 'popupVisible')) {
|
|
this.setState({ sPopupVisible: popupVisible });
|
|
}
|
|
// sync activeValue with value when panel open
|
|
if (popupVisible && !this.sPopupVisible) {
|
|
this.setState({
|
|
sActiveValue: this.sValue,
|
|
});
|
|
}
|
|
this.__emit('popupVisibleChange', popupVisible);
|
|
},
|
|
handleChange(options, setProps, e) {
|
|
if (e.type !== 'keydown' || e.keyCode === KeyCode.ENTER) {
|
|
this.__emit('change', options.map(o => o[this.getFieldName('value')]), options);
|
|
this.setPopupVisible(setProps.visible);
|
|
}
|
|
},
|
|
handlePopupVisibleChange(popupVisible) {
|
|
this.setPopupVisible(popupVisible);
|
|
},
|
|
handleMenuSelect(targetOption, menuIndex, e) {
|
|
// Keep focused state for keyboard support
|
|
const triggerNode = this.$refs.trigger.getRootDomNode();
|
|
if (triggerNode && triggerNode.focus) {
|
|
triggerNode.focus();
|
|
}
|
|
const { changeOnSelect, loadData, expandTrigger } = this;
|
|
if (!targetOption || targetOption.disabled) {
|
|
return;
|
|
}
|
|
let { sActiveValue } = this;
|
|
sActiveValue = sActiveValue.slice(0, menuIndex + 1);
|
|
sActiveValue[menuIndex] = targetOption[this.getFieldName('value')];
|
|
const activeOptions = this.getActiveOptions(sActiveValue);
|
|
if (
|
|
targetOption.isLeaf === false &&
|
|
!targetOption[this.getFieldName('children')] &&
|
|
loadData
|
|
) {
|
|
if (changeOnSelect) {
|
|
this.handleChange(activeOptions, { visible: true }, e);
|
|
}
|
|
this.setState({ sActiveValue });
|
|
loadData(activeOptions);
|
|
return;
|
|
}
|
|
const newState = {};
|
|
if (
|
|
!targetOption[this.getFieldName('children')] ||
|
|
!targetOption[this.getFieldName('children')].length
|
|
) {
|
|
this.handleChange(activeOptions, { visible: false }, e);
|
|
// set value to activeValue when select leaf option
|
|
newState.sValue = sActiveValue;
|
|
// add e.type judgement to prevent `onChange` being triggered by mouseEnter
|
|
} else if (changeOnSelect && (e.type === 'click' || e.type === 'keydown')) {
|
|
if (expandTrigger === 'hover') {
|
|
this.handleChange(activeOptions, { visible: false }, e);
|
|
} else {
|
|
this.handleChange(activeOptions, { visible: true }, e);
|
|
}
|
|
// set value to activeValue on every select
|
|
newState.sValue = sActiveValue;
|
|
}
|
|
newState.sActiveValue = sActiveValue;
|
|
// not change the value by keyboard
|
|
if (hasProp(this, 'value') || (e.type === 'keydown' && e.keyCode !== KeyCode.ENTER)) {
|
|
delete newState.sValue;
|
|
}
|
|
this.setState(newState);
|
|
},
|
|
handleItemDoubleClick() {
|
|
const { changeOnSelect } = this.$props;
|
|
if (changeOnSelect) {
|
|
this.setPopupVisible(false);
|
|
}
|
|
},
|
|
handleKeyDown(e) {
|
|
const { $slots } = this;
|
|
const children = $slots.default && $slots.default[0];
|
|
// https://github.com/ant-design/ant-design/issues/6717
|
|
// Don't bind keyboard support when children specify the onKeyDown
|
|
if (children) {
|
|
const keydown = getEvents(children).keydown;
|
|
if (keydown) {
|
|
keydown(e);
|
|
return;
|
|
}
|
|
}
|
|
const activeValue = [...this.sActiveValue];
|
|
const currentLevel = activeValue.length - 1 < 0 ? 0 : activeValue.length - 1;
|
|
const currentOptions = this.getCurrentLevelOptions();
|
|
const currentIndex = currentOptions
|
|
.map(o => o[this.getFieldName('value')])
|
|
.indexOf(activeValue[currentLevel]);
|
|
if (
|
|
e.keyCode !== KeyCode.DOWN &&
|
|
e.keyCode !== KeyCode.UP &&
|
|
e.keyCode !== KeyCode.LEFT &&
|
|
e.keyCode !== KeyCode.RIGHT &&
|
|
e.keyCode !== KeyCode.ENTER &&
|
|
e.keyCode !== KeyCode.SPACE &&
|
|
e.keyCode !== KeyCode.BACKSPACE &&
|
|
e.keyCode !== KeyCode.ESC &&
|
|
e.keyCode !== KeyCode.TAB
|
|
) {
|
|
return;
|
|
}
|
|
// Press any keys above to reopen menu
|
|
if (
|
|
!this.sPopupVisible &&
|
|
e.keyCode !== KeyCode.BACKSPACE &&
|
|
e.keyCode !== KeyCode.LEFT &&
|
|
e.keyCode !== KeyCode.RIGHT &&
|
|
e.keyCode !== KeyCode.ESC &&
|
|
e.keyCode !== KeyCode.TAB
|
|
) {
|
|
this.setPopupVisible(true);
|
|
return;
|
|
}
|
|
if (e.keyCode === KeyCode.DOWN || e.keyCode === KeyCode.UP) {
|
|
e.preventDefault();
|
|
let nextIndex = currentIndex;
|
|
if (nextIndex !== -1) {
|
|
if (e.keyCode === KeyCode.DOWN) {
|
|
nextIndex += 1;
|
|
nextIndex = nextIndex >= currentOptions.length ? 0 : nextIndex;
|
|
} else {
|
|
nextIndex -= 1;
|
|
nextIndex = nextIndex < 0 ? currentOptions.length - 1 : nextIndex;
|
|
}
|
|
} else {
|
|
nextIndex = 0;
|
|
}
|
|
activeValue[currentLevel] = currentOptions[nextIndex][this.getFieldName('value')];
|
|
} else if (e.keyCode === KeyCode.LEFT || e.keyCode === KeyCode.BACKSPACE) {
|
|
e.preventDefault();
|
|
activeValue.splice(activeValue.length - 1, 1);
|
|
} else if (e.keyCode === KeyCode.RIGHT) {
|
|
e.preventDefault();
|
|
if (
|
|
currentOptions[currentIndex] &&
|
|
currentOptions[currentIndex][this.getFieldName('children')]
|
|
) {
|
|
activeValue.push(
|
|
currentOptions[currentIndex][this.getFieldName('children')][0][
|
|
this.getFieldName('value')
|
|
],
|
|
);
|
|
}
|
|
} else if (e.keyCode === KeyCode.ESC || e.keyCode === KeyCode.TAB) {
|
|
this.setPopupVisible(false);
|
|
return;
|
|
}
|
|
if (!activeValue || activeValue.length === 0) {
|
|
this.setPopupVisible(false);
|
|
}
|
|
const activeOptions = this.getActiveOptions(activeValue);
|
|
const targetOption = activeOptions[activeOptions.length - 1];
|
|
this.handleMenuSelect(targetOption, activeOptions.length - 1, e);
|
|
this.__emit('keydown', e);
|
|
},
|
|
},
|
|
|
|
render() {
|
|
const {
|
|
$props,
|
|
$slots,
|
|
sActiveValue,
|
|
handleMenuSelect,
|
|
sPopupVisible,
|
|
handlePopupVisibleChange,
|
|
handleKeyDown,
|
|
$listeners,
|
|
} = this;
|
|
const {
|
|
prefixCls,
|
|
transitionName,
|
|
popupClassName,
|
|
options = [],
|
|
disabled,
|
|
builtinPlacements,
|
|
popupPlacement,
|
|
...restProps
|
|
} = $props;
|
|
// Did not show popup when there is no options
|
|
let menus = <div />;
|
|
let emptyMenuClassName = '';
|
|
if (options && options.length > 0) {
|
|
const loadingIcon = getComponentFromProp(this, 'loadingIcon');
|
|
const expandIcon = getComponentFromProp(this, 'expandIcon') || '>';
|
|
const menusProps = {
|
|
props: {
|
|
...$props,
|
|
fieldNames: this.getFieldNames(),
|
|
defaultFieldNames: this.defaultFieldNames,
|
|
activeValue: sActiveValue,
|
|
visible: sPopupVisible,
|
|
loadingIcon,
|
|
expandIcon,
|
|
},
|
|
on: {
|
|
...$listeners,
|
|
select: handleMenuSelect,
|
|
itemDoubleClick: this.handleItemDoubleClick,
|
|
},
|
|
};
|
|
menus = <Menus {...menusProps} />;
|
|
} else {
|
|
emptyMenuClassName = ` ${prefixCls}-menus-empty`;
|
|
}
|
|
const triggerProps = {
|
|
props: {
|
|
...restProps,
|
|
disabled: disabled,
|
|
popupPlacement: popupPlacement,
|
|
builtinPlacements: builtinPlacements,
|
|
popupTransitionName: transitionName,
|
|
action: disabled ? [] : ['click'],
|
|
popupVisible: disabled ? false : sPopupVisible,
|
|
prefixCls: `${prefixCls}-menus`,
|
|
popupClassName: popupClassName + emptyMenuClassName,
|
|
},
|
|
on: {
|
|
...$listeners,
|
|
popupVisibleChange: handlePopupVisibleChange,
|
|
},
|
|
ref: 'trigger',
|
|
};
|
|
const children = getSlot(this, 'default')[0];
|
|
return (
|
|
<Trigger {...triggerProps}>
|
|
{children &&
|
|
cloneElement(children, {
|
|
on: {
|
|
keydown: handleKeyDown,
|
|
},
|
|
attrs: {
|
|
tabIndex: disabled ? undefined : 0,
|
|
},
|
|
})}
|
|
<template slot="popup">{menus}</template>
|
|
</Trigger>
|
|
);
|
|
},
|
|
};
|