Use a ref instead of that ugly thing
Sometimes I do really weird things and don't know why :D Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>pull/21833/head
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dcd625c7e3
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@ -42,7 +42,6 @@ const ZOOM_STEP = 0.10;
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const ZOOM_COEFFICIENT = 0.0025;
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// If we have moved only this much we can zoom
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const ZOOM_DISTANCE = 10;
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const IMAGE_WRAPPER_CLASS = "mx_ImageView_image_wrapper";
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interface IProps {
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src: string, // the source of the image being displayed
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@ -91,6 +90,7 @@ export default class ImageView extends React.Component<IProps, IState> {
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// XXX: Refs to functional components
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private contextMenuButton = createRef<any>();
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private focusLock = createRef<any>();
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private imageWrapper = createRef<HTMLDivElement>();
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private initX = 0;
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private initY = 0;
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@ -114,7 +114,7 @@ export default class ImageView extends React.Component<IProps, IState> {
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private calculateZoom = () => {
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// TODO: What if we don't have width and height props?
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const imageWrapper = document.getElementsByClassName(IMAGE_WRAPPER_CLASS)[0];
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const imageWrapper = this.imageWrapper.current;
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const zoomX = imageWrapper.clientWidth / this.props.width;
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const zoomY = imageWrapper.clientHeight / this.props.height;
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@ -447,7 +447,9 @@ export default class ImageView extends React.Component<IProps, IState> {
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{this.renderContextMenu()}
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</div>
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</div>
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<div className={IMAGE_WRAPPER_CLASS}>
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<div
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className="mx_ImageView_image_wrapper"
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ref={this.imageWrapper}>
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<img
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src={this.props.src}
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title={this.props.name}
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