cell.vue
5.04 KB
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<template>
<div :class="classes" ref="cell">
<template v-if="renderType === 'index'">{{naturalIndex + 1}}</template>
<template v-if="renderType === 'selection'">
<Checkbox :value="checked" @on-change="toggleSelect" :disabled="disabled"></Checkbox>
</template>
<template v-if="renderType === 'normal'"><span v-html="row[column.key]"></span></template>
</div>
</template>
<script>
import Vue from 'vue';
import Checkbox from '../checkbox/checkbox.vue';
export default {
name: 'TableCell',
components: { Checkbox },
props: {
prefixCls: String,
row: Object,
column: Object,
naturalIndex: Number, // index of rebuildData
index: Number, // _index of data
checked: Boolean,
disabled: Boolean,
fixed: {
type: [Boolean, String],
default: false
}
},
data () {
return {
renderType: '',
uid: -1,
context: this.$parent.$parent.currentContext
};
},
computed: {
classes () {
return [
`${this.prefixCls}-cell`,
{
[`${this.prefixCls}-hidden`]: !this.fixed && this.column.fixed && (this.column.fixed === 'left' || this.column.fixed === 'right'),
[`${this.prefixCls}-cell-ellipsis`]: this.column.ellipsis || false
}
];
}
},
methods: {
compile () {
if (this.column.render) {
// 兼容真 Render，后期废弃旧用法
let isRealRender = false;
try {
this.column.render(this.row, this.column, this.index);
}
catch (err) {
isRealRender = true;
}
if (isRealRender) {
const component = new Vue({
render: (h) => {
return this.column.render(h, this.row, this.column, this.index);
}
});
const Cell = component.$mount();
this.$refs.cell.appendChild(Cell.$el);
} else {
const $parent = this.context;
const template = this.column.render(this.row, this.column, this.index);
const cell = document.createElement('div');
cell.innerHTML = template;
this.$el.innerHTML = '';
let methods = {};
Object.keys($parent).forEach(key => {
const func = $parent[key];
if (typeof(func) === 'function' && (func.name === 'boundFn' || func.name === 'n')) {
methods[key] = func;
}
});
const res = Vue.compile(cell.outerHTML);
// 获取父组件使用的局部 component
const components = {};
Object.getOwnPropertyNames($parent.$options.components).forEach(item => {
components[item] = $parent.$options.components[item];
});
const component = new Vue({
render: res.render,
staticRenderFns: res.staticRenderFns,
methods: methods,
data () {
return $parent._data;
},
components: components
});
component.row = this.row;
component.column = this.column;
const Cell = component.$mount();
this.$refs.cell.appendChild(Cell.$el);
}
}
},
destroy () {
},
toggleSelect () {
this.$parent.$parent.toggleSelect(this.index);
}
},
created () {
if (this.column.type === 'index') {
this.renderType = 'index';
} else if (this.column.type === 'selection') {
this.renderType = 'selection';
} else if (this.column.render) {
this.renderType = 'render';
} else {
this.renderType = 'normal';
}
},
mounted () {
this.$nextTick(() => {
this.compile();
});
},
beforeDestroy () {
this.destroy();
},
watch: {
naturalIndex () {
this.destroy();
this.compile();
}
}
};
</script>