42 lines
1.1 KiB
JavaScript
42 lines
1.1 KiB
JavaScript
function Dropdown() {
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}
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Dropdown.prototype.listen = function() {
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var self = this;
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$(document).on('click', function() {
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self.close();
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});
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$(document).on('click', '.dropdown-menu', function(e) {
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e.preventDefault();
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e.stopImmediatePropagation();
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self.close();
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var submenu = $(this).next('ul');
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var submenuHeight = 240;
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var offset = $(this).offset();
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var height = $(this).height();
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// Clone the submenu outside of the column to avoid clipping issue with overflow
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$("body").append(jQuery("<div>", {"id": "dropdown"}));
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submenu.clone().appendTo("#dropdown");
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var clone = $("#dropdown ul");
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clone.css('left', offset.left);
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if (offset.top + submenuHeight - $(window).scrollTop() > $(window).height()) {
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clone.css('top', offset.top - submenuHeight - height);
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}
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else {
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clone.css('top', offset.top + height);
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}
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clone.addClass('dropdown-submenu-open');
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});
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};
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Dropdown.prototype.close = function() {
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$("#dropdown").remove();
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};
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