68 lines
1.7 KiB
JavaScript
Vendored
68 lines
1.7 KiB
JavaScript
Vendored
/*
|
|
GreedyNav.js - https://github.com/lukejacksonn/GreedyNav
|
|
Licensed under the MIT license - http://opensource.org/licenses/MIT
|
|
Copyright (c) 2015 Luke Jackson
|
|
*/
|
|
|
|
$(document).ready(function() {
|
|
var $btn = $("nav.greedy-nav .greedy-nav__toggle");
|
|
var $vlinks = $("nav.greedy-nav .visible-links");
|
|
var $hlinks = $("nav.greedy-nav .hidden-links");
|
|
|
|
var numOfItems = 0;
|
|
var totalSpace = 0;
|
|
var breakWidths = [];
|
|
|
|
// Get initial state
|
|
$vlinks.children().outerWidth(function(i, w) {
|
|
totalSpace += w;
|
|
numOfItems += 1;
|
|
breakWidths.push(totalSpace);
|
|
});
|
|
|
|
var availableSpace, numOfVisibleItems, requiredSpace;
|
|
|
|
function check() {
|
|
// Get instant state
|
|
availableSpace = $vlinks.width() - $btn.width();
|
|
numOfVisibleItems = $vlinks.children().length;
|
|
requiredSpace = breakWidths[numOfVisibleItems - 1];
|
|
|
|
// There is not enough space
|
|
if (requiredSpace > availableSpace) {
|
|
$vlinks
|
|
.children()
|
|
.last()
|
|
.prependTo($hlinks);
|
|
numOfVisibleItems -= 1;
|
|
check();
|
|
// There is more than enough space
|
|
} else if (availableSpace > breakWidths[numOfVisibleItems]) {
|
|
$hlinks
|
|
.children()
|
|
.first()
|
|
.appendTo($vlinks);
|
|
numOfVisibleItems += 1;
|
|
check();
|
|
}
|
|
// Update the button accordingly
|
|
$btn.attr("count", numOfItems - numOfVisibleItems);
|
|
if (numOfVisibleItems === numOfItems) {
|
|
$btn.addClass("hidden");
|
|
} else {
|
|
$btn.removeClass("hidden");
|
|
}
|
|
}
|
|
|
|
// Window listeners
|
|
$(window).resize(function() {
|
|
check();
|
|
});
|
|
|
|
$btn.on("click", function() {
|
|
$hlinks.toggleClass("hidden");
|
|
$(this).toggleClass("close");
|
|
});
|
|
|
|
check();
|
|
});
|