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-rw-r--r--src/client/views/PreviewCursor.tsx37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/client/views/PreviewCursor.tsx b/src/client/views/PreviewCursor.tsx
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index 000000000..ff8434681
--- /dev/null
+++ b/src/client/views/PreviewCursor.tsx
@@ -0,0 +1,37 @@
+import { action, observable } from 'mobx';
+import { observer } from 'mobx-react';
+import "normalize.css";
+import * as React from 'react';
+import "./PreviewCursor.scss";
+
+@observer
+export class PreviewCursor extends React.Component<{}> {
+ private _prompt = React.createRef<HTMLDivElement>();
+ //when focus is lost, this will remove the preview cursor
+ @action onBlur = (): void => {
+ PreviewCursor.Visible = false;
+ PreviewCursor.hide();
+ }
+
+ @observable static clickPoint = [0, 0];
+ @observable public static Visible = false;
+ @observable public static hide = () => { };
+ @action
+ public static Show(hide: any, x: number, y: number) {
+ this.clickPoint = [x, y];
+ this.hide = hide;
+ setTimeout(action(() => this.Visible = true), (1));
+ }
+ render() {
+ if (!PreviewCursor.clickPoint) {
+ return (null);
+ }
+ if (PreviewCursor.Visible && this._prompt.current) {
+ this._prompt.current.focus();
+ }
+ return <div className="previewCursor" id="previewCursor" onBlur={this.onBlur} tabIndex={0} ref={this._prompt}
+ style={{ transform: `translate(${PreviewCursor.clickPoint[0]}px, ${PreviewCursor.clickPoint[1]}px)`, opacity: PreviewCursor.Visible ? 1 : 0 }}>
+ I
+ </div >;
+ }
+} \ No newline at end of file