Function activateSelection

src/components/selections/draw.js:155–171

(gd, path)

function activateSelection(gd, path) {
    if(!couldHaveActiveSelection(gd)) return;

    var element = path.node();
    var id = +element.getAttribute('data-index');
    if(id >= 0) {
        // deactivate if already active
        if(id === gd._fullLayout._activeSelectionIndex) {
            deactivateSelection(gd);
            return;
        }

        gd._fullLayout._activeSelectionIndex = id;
        gd._fullLayout._deactivateSelection = deactivateSelection;
        draw(gd);
    }
}

function activateLastSelection(gd) {
    if(!couldHaveActiveSelection(gd)) return;