461 lines
17 KiB
Vue
461 lines
17 KiB
Vue
<template>
|
||
<div :class="classes" v-click-outside="handleClose">
|
||
<div :class="[prefixCls + '-rel']" @click="toggleOpen" ref="reference">
|
||
<input type="hidden" :name="name" :value="currentValue">
|
||
<slot>
|
||
<i-input
|
||
:element-id="elementId"
|
||
ref="input"
|
||
:readonly="!filterable"
|
||
:disabled="itemDisabled"
|
||
:value="displayInputRender"
|
||
@on-change="handleInput"
|
||
:size="size"
|
||
:placeholder="inputPlaceholder"></i-input>
|
||
<div
|
||
:class="[prefixCls + '-label']"
|
||
v-show="filterable && query === ''"
|
||
@click="handleFocus">{{ displayRender }}</div>
|
||
<Icon type="ios-close-circle" :class="[prefixCls + '-arrow']" v-show="showCloseIcon" @click.native.stop="clearSelect"></Icon>
|
||
<Icon :type="arrowType" :custom="customArrowType" :size="arrowSize" :class="[prefixCls + '-arrow']"></Icon>
|
||
</slot>
|
||
</div>
|
||
<transition name="transition-drop">
|
||
<Drop
|
||
v-show="visible"
|
||
:class="dropdownCls"
|
||
ref="drop"
|
||
:data-transfer="transfer"
|
||
:transfer="transfer"
|
||
v-transfer-dom>
|
||
<div>
|
||
<Caspanel
|
||
v-show="!filterable || (filterable && query === '')"
|
||
ref="caspanel"
|
||
:prefix-cls="prefixCls"
|
||
:data="data"
|
||
:disabled="itemDisabled"
|
||
:change-on-select="changeOnSelect"
|
||
:trigger="trigger"></Caspanel>
|
||
<div :class="[prefixCls + '-dropdown']" v-show="filterable && query !== '' && querySelections.length">
|
||
<ul :class="[selectPrefixCls + '-dropdown-list']">
|
||
<li
|
||
:class="[selectPrefixCls + '-item', {
|
||
[selectPrefixCls + '-item-disabled']: item.disabled
|
||
}]"
|
||
v-for="(item, index) in querySelections"
|
||
@click="handleSelectItem(index)" v-html="item.display"></li>
|
||
</ul>
|
||
</div>
|
||
<ul v-show="(filterable && query !== '' && !querySelections.length) || !data.length" :class="[prefixCls + '-not-found-tip']"><li>{{ localeNotFoundText }}</li></ul>
|
||
</div>
|
||
</Drop>
|
||
</transition>
|
||
</div>
|
||
</template>
|
||
<script>
|
||
import iInput from '../input/input.vue';
|
||
import Drop from '../select/dropdown.vue';
|
||
import Icon from '../icon/icon.vue';
|
||
import Caspanel from './caspanel.vue';
|
||
import clickOutside from '../../directives/clickoutside';
|
||
import TransferDom from '../../directives/transfer-dom';
|
||
import { oneOf } from '../../utils/assist';
|
||
import Emitter from '../../mixins/emitter';
|
||
import Locale from '../../mixins/locale';
|
||
import mixinsForm from '../../mixins/form';
|
||
|
||
const prefixCls = 'ivu-cascader';
|
||
const selectPrefixCls = 'ivu-select';
|
||
|
||
export default {
|
||
name: 'Cascader',
|
||
mixins: [ Emitter, Locale, mixinsForm ],
|
||
components: { iInput, Drop, Icon, Caspanel },
|
||
directives: { clickOutside, TransferDom },
|
||
props: {
|
||
data: {
|
||
type: Array,
|
||
default () {
|
||
return [];
|
||
}
|
||
},
|
||
value: {
|
||
type: Array,
|
||
default () {
|
||
return [];
|
||
}
|
||
},
|
||
disabled: {
|
||
type: Boolean,
|
||
default: false
|
||
},
|
||
clearable: {
|
||
type: Boolean,
|
||
default: true
|
||
},
|
||
placeholder: {
|
||
type: String
|
||
},
|
||
size: {
|
||
validator (value) {
|
||
return oneOf(value, ['small', 'large', 'default']);
|
||
},
|
||
default () {
|
||
return !this.$IVIEW || this.$IVIEW.size === '' ? 'default' : this.$IVIEW.size;
|
||
}
|
||
},
|
||
trigger: {
|
||
validator (value) {
|
||
return oneOf(value, ['click', 'hover']);
|
||
},
|
||
default: 'click'
|
||
},
|
||
changeOnSelect: {
|
||
type: Boolean,
|
||
default: false
|
||
},
|
||
renderFormat: {
|
||
type: Function,
|
||
default (label) {
|
||
return label.join(' / ');
|
||
}
|
||
},
|
||
loadData: {
|
||
type: Function
|
||
},
|
||
filterable: {
|
||
type: Boolean,
|
||
default: false
|
||
},
|
||
notFoundText: {
|
||
type: String
|
||
},
|
||
transfer: {
|
||
type: Boolean,
|
||
default () {
|
||
return !this.$IVIEW || this.$IVIEW.transfer === '' ? false : this.$IVIEW.transfer;
|
||
}
|
||
},
|
||
name: {
|
||
type: String
|
||
},
|
||
elementId: {
|
||
type: String
|
||
},
|
||
// 4.0.0
|
||
capture: {
|
||
type: Boolean,
|
||
default () {
|
||
return !this.$IVIEW ? true : this.$IVIEW.capture;
|
||
}
|
||
},
|
||
transferClassName: {
|
||
type: String
|
||
}
|
||
},
|
||
data () {
|
||
return {
|
||
prefixCls: prefixCls,
|
||
selectPrefixCls: selectPrefixCls,
|
||
visible: false,
|
||
selected: [],
|
||
tmpSelected: [],
|
||
updatingValue: false, // to fix set value in changeOnSelect type
|
||
currentValue: this.value,
|
||
query: '',
|
||
validDataStr: '',
|
||
isLoadedChildren: false // #950
|
||
};
|
||
},
|
||
computed: {
|
||
classes () {
|
||
return [
|
||
`${prefixCls}`,
|
||
{
|
||
[`${prefixCls}-show-clear`]: this.showCloseIcon,
|
||
[`${prefixCls}-size-${this.size}`]: !!this.size,
|
||
[`${prefixCls}-visible`]: this.visible,
|
||
[`${prefixCls}-disabled`]: this.itemDisabled,
|
||
[`${prefixCls}-not-found`]: this.filterable && this.query !== '' && !this.querySelections.length
|
||
}
|
||
];
|
||
},
|
||
showCloseIcon () {
|
||
return this.currentValue && this.currentValue.length && this.clearable && !this.itemDisabled;
|
||
},
|
||
displayRender () {
|
||
let label = [];
|
||
for (let i = 0; i < this.selected.length; i++) {
|
||
label.push(this.selected[i].label);
|
||
}
|
||
|
||
return this.renderFormat(label, this.selected);
|
||
},
|
||
displayInputRender () {
|
||
return this.filterable ? '' : this.displayRender;
|
||
},
|
||
localePlaceholder () {
|
||
if (this.placeholder === undefined) {
|
||
return this.t('i.select.placeholder');
|
||
} else {
|
||
return this.placeholder;
|
||
}
|
||
},
|
||
inputPlaceholder () {
|
||
return this.filterable && this.currentValue.length ? null : this.localePlaceholder;
|
||
},
|
||
localeNotFoundText () {
|
||
if (this.notFoundText === undefined) {
|
||
return this.t('i.select.noMatch');
|
||
} else {
|
||
return this.notFoundText;
|
||
}
|
||
},
|
||
querySelections () {
|
||
let selections = [];
|
||
function getSelections (arr, label, value) {
|
||
for (let i = 0; i < arr.length; i++) {
|
||
let item = arr[i];
|
||
item.__label = label ? label + ' / ' + item.label : item.label;
|
||
item.__value = value ? value + ',' + item.value : item.value;
|
||
|
||
if (item.children && item.children.length) {
|
||
getSelections(item.children, item.__label, item.__value);
|
||
delete item.__label;
|
||
delete item.__value;
|
||
} else {
|
||
selections.push({
|
||
label: item.__label,
|
||
value: item.__value,
|
||
display: item.__label,
|
||
item: item,
|
||
disabled: !!item.disabled
|
||
});
|
||
}
|
||
}
|
||
}
|
||
getSelections(this.data);
|
||
selections = selections.filter(item => {
|
||
return item.label ? item.label.indexOf(this.query) > -1 : false;
|
||
}).map(item => {
|
||
item.display = item.display.replace(new RegExp(this.query, 'g'), `<span>${this.query}</span>`);
|
||
return item;
|
||
});
|
||
return selections;
|
||
},
|
||
// 3.4.0, global setting customArrow 有值时，arrow 赋值空
|
||
arrowType () {
|
||
let type = 'ios-arrow-down';
|
||
|
||
if (this.$IVIEW) {
|
||
if (this.$IVIEW.cascader.customArrow) {
|
||
type = '';
|
||
} else if (this.$IVIEW.cascader.arrow) {
|
||
type = this.$IVIEW.cascader.arrow;
|
||
}
|
||
}
|
||
return type;
|
||
},
|
||
// 3.4.0, global setting
|
||
customArrowType () {
|
||
let type = '';
|
||
|
||
if (this.$IVIEW) {
|
||
if (this.$IVIEW.cascader.customArrow) {
|
||
type = this.$IVIEW.cascader.customArrow;
|
||
}
|
||
}
|
||
return type;
|
||
},
|
||
// 3.4.0, global setting
|
||
arrowSize () {
|
||
let size = '';
|
||
|
||
if (this.$IVIEW) {
|
||
if (this.$IVIEW.cascader.arrowSize) {
|
||
size = this.$IVIEW.cascader.arrowSize;
|
||
}
|
||
}
|
||
return size;
|
||
},
|
||
dropdownCls () {
|
||
return {
|
||
[prefixCls + '-transfer']: this.transfer,
|
||
[this.transferClassName]: this.transferClassName
|
||
};
|
||
}
|
||
},
|
||
methods: {
|
||
clearSelect () {
|
||
if (this.itemDisabled) return false;
|
||
const oldVal = JSON.stringify(this.currentValue);
|
||
this.currentValue = this.selected = this.tmpSelected = [];
|
||
this.handleClose();
|
||
this.emitValue(this.currentValue, oldVal);
|
||
// this.$broadcast('on-clear');
|
||
this.broadcast('Caspanel', 'on-clear');
|
||
},
|
||
handleClose () {
|
||
this.visible = false;
|
||
},
|
||
toggleOpen () {
|
||
if (this.itemDisabled) return false;
|
||
if (this.visible) {
|
||
if (!this.filterable) this.handleClose();
|
||
} else {
|
||
this.onFocus();
|
||
}
|
||
},
|
||
onFocus () {
|
||
this.visible = true;
|
||
if (!this.currentValue.length) {
|
||
this.broadcast('Caspanel', 'on-clear');
|
||
}
|
||
},
|
||
updateResult (result) {
|
||
this.tmpSelected = result;
|
||
},
|
||
updateSelected (init = false, changeOnSelectDataChange = false) {
|
||
// #2793 changeOnSelectDataChange used for changeOnSelect when data changed and set value
|
||
if (!this.changeOnSelect || init || changeOnSelectDataChange) {
|
||
this.broadcast('Caspanel', 'on-find-selected', {
|
||
value: this.currentValue
|
||
});
|
||
}
|
||
},
|
||
emitValue (val, oldVal) {
|
||
if (JSON.stringify(val) !== oldVal) {
|
||
this.$emit('on-change', this.currentValue, JSON.parse(JSON.stringify(this.selected)));
|
||
this.$nextTick(() => {
|
||
this.dispatch('FormItem', 'on-form-change', {
|
||
value: this.currentValue,
|
||
selected: JSON.parse(JSON.stringify(this.selected))
|
||
});
|
||
});
|
||
}
|
||
},
|
||
handleInput (event) {
|
||
this.query = event.target.value;
|
||
},
|
||
handleSelectItem (index) {
|
||
const item = this.querySelections[index];
|
||
|
||
if (item.item.disabled) return false;
|
||
this.query = '';
|
||
this.$refs.input.currentValue = '';
|
||
const oldVal = JSON.stringify(this.currentValue);
|
||
this.currentValue = item.value.split(',');
|
||
// use setTimeout for #4786, can not use nextTick, because @on-find-selected use nextTick
|
||
setTimeout(() => {
|
||
this.emitValue(this.currentValue, oldVal);
|
||
this.handleClose();
|
||
}, 0);
|
||
},
|
||
handleFocus () {
|
||
this.$refs.input.focus();
|
||
},
|
||
// 排除 loading 后的 data，避免重复触发 updateSelect
|
||
getValidData (data) {
|
||
function deleteData (item) {
|
||
const new_item = Object.assign({}, item);
|
||
if ('loading' in new_item) {
|
||
delete new_item.loading;
|
||
}
|
||
if ('__value' in new_item) {
|
||
delete new_item.__value;
|
||
}
|
||
if ('__label' in new_item) {
|
||
delete new_item.__label;
|
||
}
|
||
if ('children' in new_item && new_item.children.length) {
|
||
new_item.children = new_item.children.map(i => deleteData(i));
|
||
}
|
||
return new_item;
|
||
}
|
||
|
||
return data.map(item => deleteData(item));
|
||
}
|
||
},
|
||
created () {
|
||
this.validDataStr = JSON.stringify(this.getValidData(this.data));
|
||
this.$on('on-result-change', (params) => {
|
||
// lastValue: is click the final val
|
||
// fromInit: is this emit from update value
|
||
const lastValue = params.lastValue;
|
||
const changeOnSelect = params.changeOnSelect;
|
||
const fromInit = params.fromInit;
|
||
|
||
if (lastValue || changeOnSelect) {
|
||
const oldVal = JSON.stringify(this.currentValue);
|
||
this.selected = this.tmpSelected;
|
||
|
||
let newVal = [];
|
||
this.selected.forEach((item) => {
|
||
newVal.push(item.value);
|
||
});
|
||
|
||
if (!fromInit) {
|
||
this.updatingValue = true;
|
||
this.currentValue = newVal;
|
||
this.emitValue(this.currentValue, oldVal);
|
||
}
|
||
}
|
||
if (lastValue && !fromInit) {
|
||
this.handleClose();
|
||
}
|
||
});
|
||
},
|
||
mounted () {
|
||
this.updateSelected(true);
|
||
},
|
||
watch: {
|
||
visible (val) {
|
||
if (val) {
|
||
if (this.currentValue.length) {
|
||
this.updateSelected();
|
||
}
|
||
if (this.transfer) {
|
||
this.$refs.drop.update();
|
||
}
|
||
this.broadcast('Drop', 'on-update-popper');
|
||
} else {
|
||
if (this.filterable) {
|
||
this.query = '';
|
||
this.$refs.input.currentValue = '';
|
||
}
|
||
if (this.transfer) {
|
||
this.$refs.drop.destroy();
|
||
}
|
||
this.broadcast('Drop', 'on-destroy-popper');
|
||
}
|
||
this.$emit('on-visible-change', val);
|
||
},
|
||
value (val) {
|
||
this.currentValue = val;
|
||
if (!val.length) this.selected = [];
|
||
},
|
||
currentValue () {
|
||
this.$emit('input', this.currentValue);
|
||
if (this.updatingValue) {
|
||
this.updatingValue = false;
|
||
return;
|
||
}
|
||
this.updateSelected(true);
|
||
},
|
||
data: {
|
||
deep: true,
|
||
handler () {
|
||
const validDataStr = JSON.stringify(this.getValidData(this.data));
|
||
if (validDataStr !== this.validDataStr) {
|
||
this.validDataStr = validDataStr;
|
||
if (!this.isLoadedChildren) {
|
||
this.$nextTick(() => this.updateSelected(false, this.changeOnSelect));
|
||
}
|
||
this.isLoadedChildren = false;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
};
|
||
</script>
|