klammertext/sks/document/js/level.js

/* Open up the table of contents to a specified level in the hierarchy: */

/*
function show_all() {
    let level_buttons = K.getv(".depthchoice");
    level_buttons[level_buttons.length-1].click();
}

function show_highlighted(node) {
    //let carets = K.getv(".caret");
    let node_caret = node.parentNode.previousElementSibling;
    console.log(node_caret);
}
*/

window.addEventListener("load", function (event) {

    K.map(".depthchoice", function (depthchoice) {
        depthchoice.addEventListener("click", function (event) {
            //save_position();
            let max_depth = K.text(event.srcElement);
            K.map(".caret", function (e) {
                let level = K.attr(e, "data-level");
                let open = K.has_class(e, "caret-down");
                if (level < max_depth) {
                    if (!open) {
                        e.click();
                    }
                } else {
                    if (open) {
                        e.click();
                    }
                }

            });
            //restore_position();
        });
    });

    K.get("html").addEventListener("keypress", function (event) {
        const max_depth = K.getv(".depthchoice").length;
        const zero = 48; // Hah!
        let depth = 1;
        for (depth = 1; depth <= max_depth; depth += 1) {
            if (event.which === zero + depth) {
                K.get('.depthchoice[data-depth="' + depth + '"]').click();
            }
        }
    });
    highlight_headers_in_toc();
});