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/* eslint-disable */
import { ACTIVE_CLASS } from './constants';
const Keyboard = function () {
var currentKey;
var currentFocus;
var isUpArrow = false;
var isDownArrow = false;
var removeHighlight = function removeHighlight(list) {
var itemElements = Array.prototype.slice.call(list.list.querySelectorAll('li:not(.divider)'), 0);
var listItems = [];
for(var i = 0; i < itemElements.length; i++) {
var listItem = itemElements[i];
listItem.classList.remove(ACTIVE_CLASS);
if (listItem.style.display !== 'none') {
listItems.push(listItem);
}
}
return listItems;
};
var setMenuForArrows = function setMenuForArrows(list) {
var listItems = removeHighlight(list);
if(list.currentIndex>0){
if(!listItems[list.currentIndex-1]){
list.currentIndex = list.currentIndex-1;
}
if (listItems[list.currentIndex-1]) {
var el = listItems[list.currentIndex-1];
var filterDropdownEl = el.closest('.filter-dropdown');
el.classList.add(ACTIVE_CLASS);
if (filterDropdownEl) {
var filterDropdownBottom = filterDropdownEl.offsetHeight;
var elOffsetTop = el.offsetTop - 30;
if (elOffsetTop > filterDropdownBottom) {
filterDropdownEl.scrollTop = elOffsetTop - filterDropdownBottom;
}
}
}
}
};
var mousedown = function mousedown(e) {
var list = e.detail.hook.list;
removeHighlight(list);
list.show();
list.currentIndex = 0;
isUpArrow = false;
isDownArrow = false;
};
var selectItem = function selectItem(list) {
var listItems = removeHighlight(list);
var currentItem = listItems[list.currentIndex-1];
var listEvent = new CustomEvent('click.dl', {
detail: {
list: list,
selected: currentItem,
data: currentItem.dataset,
},
});
list.list.dispatchEvent(listEvent);
list.hide();
}
var keydown = function keydown(e){
var typedOn = e.target;
var list = e.detail.hook.list;
var currentIndex = list.currentIndex;
isUpArrow = false;
isDownArrow = false;
if(e.detail.which){
currentKey = e.detail.which;
if(currentKey === 13){
selectItem(e.detail.hook.list);
return;
}
if(currentKey === 38) {
isUpArrow = true;
}
if(currentKey === 40) {
isDownArrow = true;
}
} else if(e.detail.key) {
currentKey = e.detail.key;
if(currentKey === 'Enter'){
selectItem(e.detail.hook.list);
return;
}
if(currentKey === 'ArrowUp') {
isUpArrow = true;
}
if(currentKey === 'ArrowDown') {
isDownArrow = true;
}
}
if(isUpArrow){ currentIndex--; }
if(isDownArrow){ currentIndex++; }
if(currentIndex < 0){ currentIndex = 0; }
list.currentIndex = currentIndex;
setMenuForArrows(e.detail.hook.list);
};
document.addEventListener('mousedown.dl', mousedown);
document.addEventListener('keydown.dl', keydown);
};
export default Keyboard;
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