react-markdown-editor-lite
Version:
a light-weight Markdown editor based on React
115 lines (114 loc) • 3.37 kB
JavaScript
import react from "react";
import Icon from "../components/Icon/index.mjs";
import i18n from "../i18n/index.mjs";
import { PluginComponent } from "./Plugin.mjs";
class ModeToggle extends PluginComponent {
static pluginName = 'mode-toggle';
static align = 'right';
get isDisplay() {
const { canView } = this.editorConfig;
if (canView) return [
canView.html,
canView.md,
canView.both
].filter((it)=>it).length >= 2;
return false;
}
get next() {
const { canView } = this.editorConfig;
const { view } = this.state;
const actions = [
0,
1,
2
];
if (canView) {
if (!canView.both) actions.splice(actions.indexOf(0), 1);
if (!canView.md) actions.splice(actions.indexOf(1), 1);
if (!canView.html) actions.splice(actions.indexOf(2), 1);
}
let current = 1;
if (view.html) current = 2;
if (view.html && view.md) current = 0;
if (0 === actions.length) return current;
if (1 === actions.length) return actions[0];
const index = actions.indexOf(current);
return index < actions.length - 1 ? actions[index + 1] : actions[0];
}
constructor(props){
super(props);
this.handleClick = this.handleClick.bind(this);
this.handleChange = this.handleChange.bind(this);
this.state = {
view: this.editor.getView()
};
}
handleClick() {
switch(this.next){
case 0:
this.editor.setView({
html: true,
md: true
});
break;
case 2:
this.editor.setView({
html: true,
md: false
});
break;
case 1:
this.editor.setView({
html: false,
md: true
});
break;
}
}
handleChange(view) {
this.setState({
view
});
}
componentDidMount() {
this.editor.on('viewchange', this.handleChange);
}
componentWillUnmount() {
this.editor.off('viewchange', this.handleChange);
}
getDisplayInfo() {
const { next } = this;
switch(next){
case 0:
return {
icon: 'view-split',
title: 'All'
};
case 2:
return {
icon: 'visibility',
title: 'Preview'
};
default:
return {
icon: 'keyboard',
title: 'Editor'
};
}
}
render() {
if (this.isDisplay) {
const display = this.getDisplayInfo();
return /*#__PURE__*/ react.createElement("span", {
className: "button button-type-mode",
title: i18n.get(`btnMode${display.title}`),
onClick: this.handleClick
}, /*#__PURE__*/ react.createElement(Icon, {
type: display.icon
}));
}
return null;
}
}
const modeToggle = ModeToggle;
export { modeToggle as default };