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Diffstat (limited to 'src/client/views/PreviewCursor.tsx')
-rw-r--r-- | src/client/views/PreviewCursor.tsx | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/client/views/PreviewCursor.tsx b/src/client/views/PreviewCursor.tsx new file mode 100644 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 >; + } +}
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