<template>
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<div v-transfer-dom :data-transfer="transfer">
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<transition name="fade">
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<div :class="maskClasses" :style="maskStyle" v-show="visible" v-if="mask" @click="handleMask"></div>
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</transition>
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<div :class="wrapClasses" @click="handleWrapClick">
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<transition :name="transitionName">
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<div :class="classes" :style="mainStyles" v-show="visible">
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<div :class="contentClasses" ref="content">
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<a class="ivu-drawer-close" v-if="closable" @click="close">
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<slot name="close">
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<Icon type="ios-close"></Icon>
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</slot>
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</a>
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<div :class="[prefixCls + '-header']" v-if="showHead"><slot name="header"><div :class="[prefixCls + '-header-inner']">{{ title }}</div></slot></div>
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<div :class="[prefixCls + '-body']" :style="styles"><slot></slot></div>
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</div>
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<div class="ivu-drawer-drag" :class="'ivu-drawer-drag-' + placement" v-if="draggable && (placement === 'left' || placement === 'right')" @mousedown="handleTriggerMousedown">
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<slot name="trigger">
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<div class="ivu-drawer-drag-move-trigger">
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<div class="ivu-drawer-drag-move-trigger-point">
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<i></i><i></i><i></i><i></i><i></i>
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</div>
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</div>
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</slot>
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</div>
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</div>
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</transition>
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</div>
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</div>
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</template>
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<script>
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import Icon from '../icon';
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import { oneOf, findBrothersComponents, findComponentsUpward } from '../../utils/assist';
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import TransferDom from '../../directives/transfer-dom';
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import Emitter from '../../mixins/emitter';
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import ScrollbarMixins from '../modal/mixins-scrollbar';
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import { on, off } from '../../utils/dom';
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const prefixCls = 'ivu-drawer';
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export default {
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name: 'Drawer',
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mixins: [ Emitter, ScrollbarMixins ],
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components: { Icon },
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directives: { TransferDom },
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props: {
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value: {
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type: Boolean,
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default: false
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},
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title: {
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type: String
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},
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width: {
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type: [Number, String],
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default: 256
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},
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// 4.6.0
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height: {
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type: [Number, String],
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default: 256
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},
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closable: {
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type: Boolean,
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default: true
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},
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maskClosable: {
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type: Boolean,
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default: true
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},
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mask: {
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type: Boolean,
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default: true
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},
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maskStyle: {
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type: Object
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},
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styles: {
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type: Object
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},
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scrollable: {
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type: Boolean,
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default: false
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},
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// 4.6.0 add top, bottom
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placement: {
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validator (value) {
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return oneOf(value, ['left', 'right', 'top', 'bottom']);
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},
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default: 'right'
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},
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zIndex: {
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type: Number,
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default: 1000
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},
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transfer: {
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type: Boolean,
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default () {
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return !this.$IVIEW || this.$IVIEW.transfer === '' ? true : this.$IVIEW.transfer;
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}
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},
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className: {
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type: String
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},
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inner: {
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type: Boolean,
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default: false
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},
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// Whether drag and drop is allowed to adjust width
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draggable: {
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type: Boolean,
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default: false
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},
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beforeClose: Function,
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},
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data () {
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return {
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prefixCls: prefixCls,
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visible: this.value,
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wrapShow: false,
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showHead: true,
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canMove: false,
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dragWidth: this.width,
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dragHeight: this.height,
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wrapperWidth: this.width,
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wrapperHeight: this.height,
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wrapperLeft: 0,
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minWidth: 256,
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minHeight: 256
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};
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},
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computed: {
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wrapClasses () {
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return [
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`${prefixCls}-wrap`,
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{
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[`${prefixCls}-hidden`]: !this.wrapShow,
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[`${this.className}`]: !!this.className,
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[`${prefixCls}-no-mask`]: !this.mask,
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[`${prefixCls}-wrap-inner`]: this.inner,
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[`${prefixCls}-wrap-dragging`]: this.canMove
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}
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];
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},
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mainStyles () {
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let style = {};
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if (this.placement === 'left' || this.placement === 'right') {
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const width = parseInt(this.dragWidth);
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const styleWidth = {
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width: width <= 100 ? `${width}%` : `${width}px`
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};
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Object.assign(style, styleWidth);
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} else {
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const height = parseInt(this.dragHeight);
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const styleHeight = {
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height: height <= 100 ? `${height}%` : `${height}px`
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};
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Object.assign(style, styleHeight);
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}
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return style;
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},
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contentClasses () {
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return [
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`${prefixCls}-content`,
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{
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[`${prefixCls}-content-no-mask`]: !this.mask
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}
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];
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},
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classes () {
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return [
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`${prefixCls}`,
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`${prefixCls}-${this.placement}`,
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{
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[`${prefixCls}-no-header`]: !this.showHead,
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[`${prefixCls}-inner`]: this.inner
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}
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];
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},
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maskClasses () {
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return [
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`${prefixCls}-mask`,
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{
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[`${prefixCls}-mask-inner`]: this.inner
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}
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];
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},
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transitionName () {
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if (this.placement === 'left' || this.placement === 'right') return `move-${this.placement}`;
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else if (this.placement === 'top') return 'move-up';
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else return 'move-down';
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}
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},
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methods: {
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close () {
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if (!this.beforeClose) {
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return this.handleClose();
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}
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const before = this.beforeClose();
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if (before && before.then) {
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before.then(() => {
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this.handleClose();
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});
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} else {
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this.handleClose();
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}
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},
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handleClose () {
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this.visible = false;
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this.$emit('input', false);
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this.$emit('on-close');
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},
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handleMask () {
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if (this.maskClosable && this.mask) {
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this.close();
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}
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},
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handleWrapClick (event) {
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// use indexOf,do not use === ,because ivu-modal-wrap can have other custom className
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const className = event.target.getAttribute('class');
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if (className && className.indexOf(`${prefixCls}-wrap`) > -1) this.handleMask();
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},
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handleMousemove (event) {
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if (!this.canMove || !this.draggable) return;
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// 更新容器宽度和距离左侧页面距离，如果是window则距左侧距离为0
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this.handleSetWrapperWidth();
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const left = event.pageX - this.wrapperLeft;
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// 如果抽屉方向为右边，宽度计算需用容器宽度减去left
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let width = this.placement === 'right' ? this.wrapperWidth - left : left;
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// 限定最小宽度
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width = Math.max(width, parseFloat(this.minWidth));
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event.atMin = width === parseFloat(this.minWidth);
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// 如果当前width不大于100，视为百分比
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if (width <= 100) width = (width / this.wrapperWidth) * 100;
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this.dragWidth = width;
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this.$emit('on-resize-width', parseInt(this.dragWidth));
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},
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handleSetWrapperWidth () {
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const {
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width,
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left
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} = this.$el.getBoundingClientRect();
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this.wrapperWidth = width;
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this.wrapperLeft = left;
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},
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handleMouseup () {
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if (!this.draggable) return;
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this.canMove = false;
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},
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handleTriggerMousedown () {
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this.canMove = true;
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// 防止鼠标选中抽屉中文字，造成拖动trigger触发浏览器原生拖动行为
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window.getSelection().removeAllRanges();
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},
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},
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mounted () {
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if (this.visible) {
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this.wrapShow = true;
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}
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let showHead = true;
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if (this.$slots.header === undefined && !this.title) {
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showHead = false;
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}
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this.showHead = showHead;
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on(document, 'mousemove', this.handleMousemove);
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on(document, 'mouseup', this.handleMouseup);
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this.handleSetWrapperWidth();
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},
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beforeDestroy () {
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off(document, 'mousemove', this.handleMousemove);
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off(document, 'mouseup', this.handleMouseup);
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this.removeScrollEffect();
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},
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watch: {
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value (val) {
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this.visible = val;
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},
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visible (val) {
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if (val === false) {
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this.timer = setTimeout(() => {
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this.wrapShow = false;
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// #4831 Check if there are any drawers left at the parent level
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const brotherDrawers = findBrothersComponents(this, 'Drawer') || [];
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const parentDrawers = findComponentsUpward(this, 'Drawer') || [];
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const otherDrawers = [].concat(brotherDrawers).concat(parentDrawers);
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const isScrollDrawer = otherDrawers.some(item => item.visible && !item.scrollable);
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if (!isScrollDrawer) {
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this.removeScrollEffect();
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}
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}, 300);
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} else {
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if (this.timer) clearTimeout(this.timer);
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this.wrapShow = true;
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if (!this.scrollable) {
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this.addScrollEffect();
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}
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}
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this.broadcast('Table', 'on-visible-change', val);
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this.broadcast('Slider', 'on-visible-change', val); // #2852
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this.$emit('on-visible-change', val);
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},
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scrollable (val) {
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if (!val) {
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this.addScrollEffect();
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} else {
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this.removeScrollEffect();
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}
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},
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title (val) {
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if (this.$slots.header === undefined) {
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this.showHead = !!val;
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}
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},
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width (val) {
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this.dragWidth = val;
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},
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height (val) {
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this.dragHeight = val;
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}
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}
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};
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</script>
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