modal.vue
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<template>
<span>
<transition name="fade">
<div :class="maskClasses" v-show="visible" @click="mask"></div>
</transition>
<div :class="wrapClasses" @click="handleWrapClick">
<transition name="ease">
<div :class="classes" :style="mainStyles" v-show="visible">
<div :class="[prefixCls + '-content']">
<a :class="[prefixCls + '-close']" v-if="closable" @click="close">
<slot name="close">
<Icon type="ios-close-empty"></Icon>
</slot>
</a>
<div :class="[prefixCls + '-header']" v-if="showHead"><slot name="header"><div :class="[prefixCls + '-header-inner']">{{ title }}</div></slot></div>
<div :class="[prefixCls + '-body']"><slot></slot></div>
<div :class="[prefixCls + '-footer']" v-if="!footerHide">
<slot name="footer">
<i-button type="text" size="large" @click.native="cancel">{{ cancelText }}</i-button>
<i-button type="primary" size="large" :loading="buttonLoading" @click.native="ok">{{ okText }}</i-button>
</slot>
</div>
</div>
</div>
</transition>
</div>
</span>
</template>
<script>
import Icon from '../icon';
import iButton from '../button/button.vue';
import { getScrollBarSize } from '../../utils/assist';
import { t } from '../../locale';
const prefixCls = 'ivu-modal';
export default {
components: { Icon, iButton },
props: {
value: {
type: Boolean,
default: false
},
closable: {
type: Boolean,
default: true
},
maskClosable: {
type: Boolean,
default: true
},
title: {
type: String
},
width: {
type: [Number, String],
default: 520
},
okText: {
type: String,
default () {
return t('i.modal.okText');
}
},
cancelText: {
type: String,
default () {
return t('i.modal.cancelText');
}
},
loading: {
type: Boolean,
default: false
},
styles: {
type: Object
},
className: {
type: String
},
// for instance
footerHide: {
type: Boolean,
default: false
},
scrollable: {
type: Boolean,
default: false
}
},
data () {
return {
prefixCls: prefixCls,
wrapShow: false,
showHead: true,
buttonLoading: false,
visible: this.value
};
},
computed: {
wrapClasses () {
return [
`${prefixCls}-wrap`,
{
[`${prefixCls}-hidden`]: !this.wrapShow,
[`${this.className}`]: !!this.className
}
];
},
maskClasses () {
return `${prefixCls}-mask`;
},
classes () {
return `${prefixCls}`;
},
mainStyles () {
let style = {};
const styleWidth = {
width: `${this.width}px`
};
const customStyle = this.styles ? this.styles : {};
Object.assign(style, styleWidth, customStyle);
return style;
}
},
methods: {
close () {
this.visible = false;
this.$emit('input', false);
this.$emit('on-cancel');
},
mask () {
if (this.maskClosable) {
this.close();
}
},
handleWrapClick (event) {
// use indexOf,do not use === ,because ivu-modal-wrap can have other custom className
const className = event.target.getAttribute('class');
if (className && className.indexOf(`${prefixCls}-wrap`) > -1) this.mask();
},
cancel () {
this.close();
},
ok () {
if (this.loading) {
this.buttonLoading = true;
} else {
this.visible = false;
this.$emit('input', false);
}
this.$emit('on-ok');
},
EscClose (e) {
if (this.visible && this.closable) {
if (e.keyCode === 27) {
this.close();
}
}
},
checkScrollBar () {
let fullWindowWidth = window.innerWidth;
if (!fullWindowWidth) { // workaround for missing window.innerWidth in IE8
const documentElementRect = document.documentElement.getBoundingClientRect();
fullWindowWidth = documentElementRect.right - Math.abs(documentElementRect.left);
}
this.bodyIsOverflowing = document.body.clientWidth < fullWindowWidth;
if (this.bodyIsOverflowing) {
this.scrollBarWidth = getScrollBarSize();
}
},
setScrollBar () {
if (this.bodyIsOverflowing && this.scrollBarWidth !== undefined) {
document.body.style.paddingRight = `${this.scrollBarWidth}px`;
}
},
resetScrollBar () {
document.body.style.paddingRight = '';
},
addScrollEffect () {
this.checkScrollBar();
this.setScrollBar();
document.body.style.overflow = 'hidden';
},
removeScrollEffect() {
document.body.style.overflow = '';
this.resetScrollBar();
}
},
mounted () {
if (this.visible) {
this.wrapShow = true;
}
let showHead = true;
if (this.$slots.head === undefined && !this.title) {
showHead = false;
}
this.showHead = showHead;
// ESC close
document.addEventListener('keydown', this.EscClose);
},
beforeDestroy () {
document.removeEventListener('keydown', this.EscClose);
this.removeScrollEffect();
},
watch: {
value (val) {
this.visible = val;
},
visible (val) {
if (val === false) {
this.buttonLoading = false;
this.timer = setTimeout(() => {
this.wrapShow = false;
this.removeScrollEffect();
}, 300);
} else {
if (this.timer) clearTimeout(this.timer);
this.wrapShow = true;
if (!this.scrollable) {
this.addScrollEffect();
}
}
},
loading (val) {
if (!val) {
this.buttonLoading = false;
}
},
scrollable (val) {
if (!val) {
this.addScrollEffect();
} else {
this.removeScrollEffect();
}
}
}
};
</script>