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Files
sqliteviz/src/components/SqlEditor.vue
2020-12-17 19:23:51 +01:00

106 lines
2.4 KiB
Vue

<template>
<div class="codemirror-container">
<codemirror v-model="query" :options="cmOptions" @changes="onCmChange" />
</div>
</template>
<script>
import CM from 'codemirror'
import { codemirror } from 'vue-codemirror'
import 'codemirror/lib/codemirror.css'
import 'codemirror/mode/sql/sql.js'
import 'codemirror/theme/neo.css'
import 'codemirror/addon/hint/show-hint.js'
import 'codemirror/addon/hint/show-hint.css'
import 'codemirror/addon/hint/sql-hint.js'
import { debounce } from 'debounce'
const sqlHint = CM.hint.sql
CM.hint.sql = (cm, options) => {
const token = cm.getTokenAt(cm.getCursor()).string.toUpperCase()
const result = sqlHint(cm, options)
// Don't show the hint if there is only one option
// and the token is already completed with this option
if (result.list.length === 1 && result.list[0].text.toUpperCase() === token) {
result.list = []
}
return result
}
export default {
name: 'SqlEditor',
props: ['value'],
components: {
codemirror
},
data () {
return {
query: this.value,
cmOptions: {
// codemirror options
tabSize: 4,
mode: 'text/x-mysql',
theme: 'neo',
lineNumbers: true,
line: true
}
}
},
computed: {
tables () {
const tables = {}
if (this.$store.state.schema) {
this.$store.state.schema.forEach(table => {
tables[table.name] = table.columns.map(column => column.name)
})
}
return tables
}
},
watch: {
query () {
this.$emit('input', this.query)
}
},
methods: {
onCmChange: debounce(function (editor) {
// Don't show autocomplete after a space or semicolon or in string literals
const ch = editor.getTokenAt(editor.getCursor()).string.slice(-1)
const tokenType = editor.getTokenAt(editor.getCursor()).type
if (tokenType === 'string' || !ch || ch === ' ' || ch === ';') {
return
}
const hintOptions = {
tables: this.tables,
completeSingle: false,
completeOnSingleClick: true,
alignWithWord: false
}
CM.showHint(editor, CM.hint.sql, hintOptions)
}, 400)
}
}
</script>
<style scoped>
.codemirror-container {
flex-grow: 1;
min-height: 0;
}
>>> .vue-codemirror {
height: 100%;
max-height: 100%;
}
>>> .CodeMirror {
height: 100%;
max-height: 100%;
}
>>> .CodeMirror-cursor {
width: 1px;
background: var(--color-text-base);
}
</style>