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const { event, fs, path, tauri } = window.__TAURI__;
class View {
constructor() {
Object.assign(this, {
content: '',
action_time: 0,
is_auto_scroll: true,
is_edit_mode: false,
is_file_changed: false,
is_form_changed: false,
is_content_changed: false
}, ...arguments);
addEventListener('DOMContentLoaded', this.init.bind(this));
}
async init() {
this.editor = this.renderEditor();
this.editor.on('scroll', this.editorScroll.bind(this));
this.editor.on('keypress', this.editorSave.bind(this));
this.form = this.renderForm();
this.form.addEventListener('change', this.formChange.bind(this));
event.listen('__update__', this.appAction.bind(this));
event.emit('__action__', '__init__');
while (true) {
try {
await this.update();
this.render();
} catch (e) {
console.error(e);
}
await new Promise(r => setTimeout(r, 100));
}
}
async update() {
if (this.is_file_changed) {
this.is_file_changed = false;
let now = Date.now(),
file = await path.resolveResource(this.file);
if (await fs.exists(file)) {
let content = await fs.readTextFile(file);
if (this.action_time < now) {
this.content = content;
this.is_content_changed = true;
}
} else {
if (now >= this.action_time) {
if (this.is_edit_mode) {
this.content = `# https://github.com/rustdesk/rustdesk-server#env-variables
RUST_LOG=info
`;
}
this.is_content_changed = true;
}
console.warn(`${this.file} file is missing`);
}
}
}
async editorSave(editor, e) {
if (e.ctrlKey && e.keyCode === 19 && this.is_edit_mode && !this.locked) {
this.locked = true;
try {
let now = Date.now(),
content = this.editor.doc.getValue(),
file = await path.resolveResource(this.file);
await fs.writeTextFile(file, content);
event.emit('__action__', 'restart');
} catch (e) {
console.error(e);
} finally {
this.locked = false;
}
}
}
editorScroll(e) {
let info = this.editor.getScrollInfo(),
distance = info.height - info.top - info.clientHeight,
is_end = distance < 1;
if (this.is_auto_scroll !== is_end) {
this.is_auto_scroll = is_end;
this.is_form_changed = true;
}
}
formChange(e) {
switch (e.target.tagName.toLowerCase()) {
case 'input':
this.is_auto_scroll = e.target.checked;
break;
}
}
appAction(e) {
let [action, data] = e.payload;
switch (action) {
case 'file':
if (data === '.env') {
this.is_edit_mode = true;
this.file = `bin/${data}`;
} else {
this.is_edit_mode = false;
this.file = `logs/${data}`;
}
this.action_time = Date.now();
this.is_file_changed = true;
this.is_form_changed = true;
break;
}
}
render() {
if (this.is_form_changed) {
this.is_form_changed = false;
this.renderForm();
}
if (this.is_content_changed) {
this.is_content_changed = false;
this.renderEditor();
}
if (this.is_auto_scroll && !this.is_edit_mode) {
this.renderScrollbar();
}
}
renderForm() {
let form = this.form || document.querySelector('form'),
label = form.querySelectorAll('label'),
input = form.querySelector('input');
input.checked = this.is_auto_scroll;
if (this.is_edit_mode) {
label[0].style.display = 'none';
label[1].style.display = 'inline';
} else {
label[0].style.display = 'inline';
label[1].style.display = 'none';
}
return form;
}
renderEditor() {
let editor = this.editor || CodeMirror.fromTextArea(document.querySelector('textarea'), {
mode: { name: 'toml' },
lineNumbers: true,
autofocus: true
});
editor.setOption('readOnly', !this.is_edit_mode);
editor.doc.setValue(this.content);
editor.doc.clearHistory();
this.content = '';
editor.focus();
return editor;
}
renderScrollbar() {
let info = this.editor.getScrollInfo();
this.editor.scrollTo(info.left, info.height);
}
}
new View();
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