org.dominokit.domino.ui.popover.PopupPositionBestFit Maven / Gradle / Ivy

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There is a newer version: 1.0.139

package org.dominokit.domino.ui.popover;

import elemental2.dom.ClientRect;
import elemental2.dom.DomGlobal;
import elemental2.dom.HTMLElement;

public class PopupPositionBestFit implements PopupPosition {

    private String positionClass;

    @Override
    public void position(HTMLElement popup, HTMLElement target) {
        ClientRect targetRect = target.getBoundingClientRect();
        double bottom = targetRect.bottom + popup.getBoundingClientRect().height;
        double right = targetRect.right + popup.getBoundingClientRect().height;

        int innerHeight = DomGlobal.window.innerHeight;

        if (bottom < innerHeight) {
            position(popup, target, BOTTOM);
        } else if (popup.getBoundingClientRect().height < targetRect.top) {
            position(popup, target, TOP);
        } else if (popup.getBoundingClientRect().width < targetRect.left) {
            position(popup, target, LEFT);
        } else if (right < DomGlobal.window.innerWidth) {
            position(popup, target, RIGHT);
        } else {
            position(popup, target, BOTTOM);
        }
    }

    protected void position(HTMLElement popup, HTMLElement target, PopupPosition popupPosition) {
        popupPosition.position(popup, target);
        this.positionClass = popupPosition.getDirectionClass();
    }

    @Override
    public String getDirectionClass() {
        return positionClass;
    }
}