1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
<template>
<el-tree class="filter-tree" :data="treeItems" :expand-on-click-node="false" default-expand-all>
<template slot-scope="{ node, data }">
<template v-if="Object.is(data.label, '$and') || Object.is(data.label, '$or')">
<div class="filter-tree-item">
<el-select size="small" v-model="data.label" :disabled="data.isroot">
<el-option v-for="mode in relationModes" :key="mode.value" :label="getLabel(mode)" :value="mode.value"></el-option>
</el-select>
<div class="filter-tree-action">
<i-button title="添加条件" @click="onAddItem(data)"><i class="fa fa-plus" aria-hidden="true"></i> 添加条件</i-button>
<i-button title="添加组" @click="onAddGroup(data)"><i class="fa fa-plus" aria-hidden="true"></i> 添加组</i-button>
<icon v-if="!data.isroot" type="md-close" @click="onRemoveItem(node, data)"/>
</div>
</div>
</template>
<template v-else>
<div class="filter-tree-item">
<el-select size="small" class="filter-item-field" v-model="data.field" clearable placeholder="属性" @change="onFieldChange(data)">
<el-option
v-for="item in fields"
:key="item.prop"
:label="item.label"
:value="item.name">
</el-option>
</el-select>
<filter-mode class="filter-item-mode" v-model="data.mode"></filter-mode>
<div class="filter-item-value">
<i-input v-if="!data.field"></i-input>
<slot v-else :data="data"></slot>
</div>
<div class="filter-tree-action">
<icon type="md-close" @click="onRemoveItem(node, data)"/>
</div>
</div>
</template>
</template>
</el-tree>
</template>
<script lang="ts">
import {Vue, Component, Prop} from 'vue-property-decorator';
import FilterMode from './filter-mode.vue';
@Component({
components: {
FilterMode
}
})
export default class FilterTree extends Vue {
/**
* 数据集
*
* @type {*}
* @memberof FilterTree
*/
@Prop() datas: any;
/**
* 过滤项集合
*
* @type {*}
* @memberof FilterTree
*/
@Prop() fields: any;
/**
* 组条件集合
*
* @type {*}
* @memberof FilterTree
*/
protected relationModes: any[] = [
{ 'zh-CN': '并且', 'en-US': 'AND', value: '$and' },
{ 'zh-CN': '或', 'en-US': 'OR', value: '$or' }
];
/**
* 树数据集合
*
* @type {*}
* @memberof FilterTree
*/
get treeItems() {
let root: any = {
label: '$and',
isroot: true,
children: this.datas
};
if(this.datas.length == 0) {
this.onAddItem(root);
this.onAddItem(root);
}
return [root];
}
/**
* 获取语言文本
*
* @return {string}
* @memberof FilterTree
*/
getLabel(mode: any): string {
if(this.$i18n.locale) {
return mode[this.$i18n.locale];
}
return mode['zh-CN'];
}
/**
* 属性变化
*
* @return {*}
* @memberof FilterTree
*/
public onFieldChange(data: any) {
if(!data.mode) {
data.mode = '$eq';
}
}
/**
* 添加条件
*
* @return {*}
* @memberof FilterTree
*/
public onAddItem(data: any) {
if(data && data.children) {
data.children.push({
field: null,
mode: null
});
}
}
/**
* 添加组
*
* @return {*}
* @memberof FilterTree
*/
public onAddGroup(data: any) {
if(data && data.children) {
data.children.push({
label: '$and',
children: []
})
}
}
/**
* 删除条件/组
*
* @return {*}
* @memberof FilterTree
*/
public onRemoveItem(node: any, data: any) {
if(node && node.parent) {
let pData: any = node.parent.data;
if(pData.children.indexOf(data) >= 0) {
pData.children.splice(pData.children.indexOf(data), 1)
}
}
}
}
</script>
<style lang="less">
@import './filter-tree.less';
</style>