Function modality

codebase/sources/dhtmlxscheduler.js:8681–8689

(mode)

      scheduler2.event(document, "keydown", modal_key, true);
    }
    function modality(mode) {
      if (!modality.cover) {
        modality.cover = document.createElement("div");
        scheduler2.event(modality.cover, "keydown", modal_key);
        modality.cover.className = "dhx_modal_cover";
        document.body.appendChild(modality.cover);
      }
      modality.cover.style.display = mode ? "inline-block" : "none";
    }
    function button(text, classValue, result) {
      var buttonAriaAttrs = scheduler2._waiAria.messageButtonAttrString(text);
      var name = (classValue || "").toLowerCase().replace(/ /g, "_");