Files
directus/app/src/interfaces/code/code.vue
2020-09-09 20:01:47 +02:00

321 lines
8.0 KiB
Vue

<template>
<div class="interface-code codemirror-custom-styles">
<textarea ref="codemirrorEl" :value="stringValue" />
<v-button small icon secondary v-if="template" v-tooltip.left="$t('fill_template')" @click="fillTemplate">
<v-icon name="playlist_add" />
</v-button>
</div>
</template>
<script lang="ts">
import CodeMirror from 'codemirror';
import { defineComponent, computed, ref, onMounted, onUnmounted, watch } from '@vue/composition-api';
import 'codemirror/mode/meta';
import 'codemirror/addon/search/searchcursor.js';
import 'codemirror/addon/search/matchesonscrollbar.js';
import 'codemirror/addon/scroll/annotatescrollbar.js';
import 'codemirror/addon/lint/lint.js';
import 'codemirror/addon/search/search.js';
import 'codemirror/addon/display/placeholder.js';
import 'codemirror/addon/comment/comment.js';
import 'codemirror/addon/dialog/dialog.js';
import 'codemirror/keymap/sublime.js';
import formatTitle from '@directus/format-title';
export default defineComponent({
props: {
disabled: {
type: Boolean,
default: false,
},
value: {
type: [String, Object],
default: null,
},
altOptions: {
type: Object,
default: null,
},
template: {
type: String,
default: null,
},
lineNumber: {
type: Boolean,
default: true,
},
placeholder: {
type: String,
default: null,
},
language: {
type: String,
default: 'text/plain',
},
type: {
type: String,
default: null,
},
},
setup(props, { emit }) {
const codemirrorEl = ref<HTMLTextAreaElement | null>(null);
const codemirror = ref<CodeMirror.EditorFromTextArea | null>(null);
onMounted(async () => {
if (codemirrorEl.value) {
const codemirrorElVal = codemirrorEl.value;
await getImports(cmOptions.value);
codemirror.value = CodeMirror.fromTextArea(codemirrorElVal, cmOptions.value);
codemirror.value.setValue(stringValue.value || '');
await setLanguage();
codemirror.value.on('change', (cm) => {
const content = cm.getValue();
if (props.type === 'json') {
if (content.length === 0) {
return emit('input', null);
}
try {
emit('input', JSON.parse(content));
} catch {
// We won't stage invalid JSON
}
} else {
emit('input', content);
}
});
}
});
onUnmounted(() => {
codemirror.value?.toTextArea();
});
const stringValue = computed<string>(() => {
if (props.value == null) return '';
if (props.type === 'json') {
return JSON.stringify(props.value, null, 4);
}
return props.value;
});
watch(
() => props.language,
() => {
setLanguage();
}
);
watch(stringValue, () => {
if (codemirror.value?.getValue() !== stringValue.value) {
codemirror.value?.setValue(stringValue.value || '');
}
});
async function setLanguage() {
if (codemirror.value) {
const lang = props.language.toLowerCase();
if (lang === 'json') {
// @ts-ignore
await import('codemirror/mode/javascript/javascript.js');
const jsonlint = (await import('jsonlint-mod')) as any;
codemirror.value.setOption('mode', { name: 'javascript', json: true });
CodeMirror.registerHelper('lint', 'json', (text: string) => {
const found: {}[] = [];
const parser = jsonlint.parser;
parser.parseError = (str: string, hash: any) => {
const loc = hash.loc;
found.push({
from: CodeMirror.Pos(loc.first_line - 1, loc.first_column),
to: CodeMirror.Pos(loc.last_line - 1, loc.last_column),
message: str,
});
};
if (text.length > 0) {
try {
jsonlint.parse(text);
} catch (e) {}
}
return found;
});
} else if (lang === 'javascript' || lang === 'htmlmixed' || lang === 'css' || lang === 'yaml') {
let linter = lang;
if (lang === 'javascript') {
const jshint = await import('jshint');
(window as any).JSHINT = jshint;
} else if (lang === 'htmlmixed') {
linter = 'html';
const htmlhint = await import('htmlhint');
(window as any).HTMLHint = htmlhint;
} else if (lang === 'css') {
const csslint = await import('csslint');
(window as any).CSSLint = csslint;
} else if (lang === 'yaml') {
const jsyaml = await import('js-yaml');
(window as any).jsyaml = jsyaml;
}
await import(`codemirror/mode/${lang}/${lang}.js`);
await import(`codemirror/addon/lint/${linter}-lint.js`);
codemirror.value.setOption('lint', (CodeMirror as any).lint[linter]);
} else if (lang === 'text/plain') {
codemirror.value.setOption('mode', { name: null });
} else {
await import(`codemirror/mode/${lang}/${lang}.js`);
codemirror.value.setOption('mode', { name: lang });
}
}
}
async function getImports(optionsObj: Record<string, any>): Promise<void> {
const imports = [] as Promise<any>[];
if (optionsObj && optionsObj.size > 0) {
if (optionsObj.styleActiveLine) {
imports.push(import(`codemirror/addon/selection/active-line.js`));
}
if (optionsObj.markSelection) {
// @ts-ignore - @types/codemirror is missing this export
imports.push(import(`codemirror/addon/selection/mark-selection.js`));
}
if (optionsObj.highlightSelectionMatches) {
imports.push(import(`codemirror/addon/search/match-highlighter.js`));
}
if (optionsObj.autoRefresh) {
imports.push(import(`codemirror/addon/display/autorefresh.js`));
}
if (optionsObj.matchBrackets) {
imports.push(import(`codemirror/addon/edit/matchbrackets.js`));
}
if (optionsObj.hintOptions || optionsObj.showHint) {
imports.push(import(`codemirror/addon/hint/show-hint.js`));
// @ts-ignore - @types/codemirror is missing this export
imports.push(import(`codemirror/addon/hint/show-hint.css`));
// @ts-ignore - @types/codemirror is missing this export
imports.push(import(`codemirror/addon/hint/javascript-hint.js`));
}
await Promise.all(imports);
}
}
const lineCount = computed(() => {
if (codemirror.value) {
return codemirror.value.lineCount();
}
return 0;
});
const defaultOptions: CodeMirror.EditorConfiguration = {
tabSize: 4,
autoRefresh: true,
indentUnit: 4,
styleActiveLine: true,
highlightSelectionMatches: { showToken: /\w/, annotateScrollbar: true, delay: 100 },
hintOptions: {
completeSingle: true,
hint: () => undefined,
},
matchBrackets: true,
showCursorWhenSelecting: true,
theme: 'default',
extraKeys: { Ctrl: 'autocomplete' },
lint: true,
gutters: ['CodeMirror-lint-markers'],
};
const cmOptions = computed<Record<string, any>>(() => {
return Object.assign(
{},
defaultOptions,
{
lineNumbers: props.lineNumber,
readOnly: props.disabled ? 'nocursor' : false,
mode: props.language,
placeholder: props.placeholder,
},
props.altOptions ? props.altOptions : {}
);
});
watch(
() => props.altOptions,
async (altOptions) => {
if (!altOptions || altOptions.size === 0) return;
await getImports(altOptions);
for (const key in altOptions) {
codemirror.value?.setOption(key as any, altOptions[key]);
}
}
);
watch(
() => props.lineNumber,
(lineNumber) => {
codemirror.value?.setOption('lineNumbers', lineNumber);
}
);
return {
cmOptions,
lineCount,
codemirrorEl,
stringValue,
fillTemplate,
formatTitle,
};
function fillTemplate() {
if(props.type === 'json') {
try {
emit('input', JSON.parse(props.template));
} catch {}
} else {
emit('input', props.template);
}
}
},
});
</script>
<style lang="scss" scoped>
@import '~codemirror/addon/lint/lint.css';
.interface-code {
position: relative;
width: 100%;
font-size: 14px;
}
.small {
position: absolute;
right: 0;
bottom: -20px;
font-style: italic;
text-align: right;
}
.v-button {
position: absolute;
top: 10px;
right: 10px;
z-index: 10;
color: var(--primary);
cursor: pointer;
transition: color var(--fast) var(--transition-out);
user-select: none;
&:hover {
color: var(--primary-125);
transition: none;
}
}
</style>