hardlounge/client/js/libs/jquery/inputhistory.js
2017-04-26 13:58:43 +05:30

92 lines
1.7 KiB
JavaScript

import jQuery from "jquery";
/*!
* inputhistory
* https://github.com/erming/inputhistory
* v0.3.1
*/
(function($) {
$.inputhistory = {};
$.inputhistory.defaultOptions = {
history: [],
preventSubmit: false
};
$.fn.history = // Alias
$.fn.inputhistory = function(options) {
options = $.extend(
$.inputhistory.defaultOptions,
options
);
var self = this;
if (self.length > 1) {
return self.each(function() {
$(this).history(options);
});
}
var history = options.history;
history.push("");
var i = 0;
self.on("keydown", function(e) {
var key = e.which;
switch (key) {
case 13: // Enter
if (e.shiftKey || self.data("autocompleting")) {
return; // multiline input
}
if (self.val() != "") {
i = history.length;
history[i - 1] = self.val();
history.push("");
if (history[i - 1] == history[i - 2]) {
history.splice(-2, 1);
i--;
}
}
if (!options.preventSubmit) {
self.parents("form").eq(0).submit();
}
self.val("");
break;
case 38: // Up
case 40: // Down
// NOTICE: This is specific to The Lounge.
if (e.ctrlKey || e.metaKey || self.data("autocompleting")) {
break;
}
if (
this.value.indexOf("\n") >= 0
&&
(key === 38 && this.selectionStart > 0)
||
(key === 40 && this.selectionStart < this.value.length))
{
return; // don't prevent default
}
history[i] = self.val();
if (key == 38 && i != 0) {
i--;
} else if (key == 40 && i < history.length - 1) {
i++;
}
self.val(history[i]);
break;
default:
return;
}
e.preventDefault();
});
return this;
}
})(jQuery);