71 lines
1.2 KiB
JavaScript
71 lines
1.2 KiB
JavaScript
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/*!
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* inputhistory
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* https://github.com/erming/inputhistory
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* v0.3.0
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*/
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(function($) {
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$.inputhistory = {};
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$.inputhistory.defaultOptions = {
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history: [],
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preventSubmit: false
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};
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$.fn.history = // Alias
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$.fn.inputhistory = function(options) {
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options = $.extend(
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$.inputhistory.defaultOptions,
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options
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);
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var self = this;
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if (self.size() > 1) {
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return self.each(function() {
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$(this).history(options);
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});
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}
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var history = options.history;
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history.push("");
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var i = 0;
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self.on("keydown", function(e) {
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var key = e.which;
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switch (key) {
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case 13: // Enter
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if (self.val() != "") {
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i = history.length;
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history[i - 1] = self.val();
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history.push("");
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if (history[i - 1] == history[i - 2]) {
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history.splice(-2, 1);
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i--;
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}
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}
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if (!options.preventSubmit) {
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self.parents("form").eq(0).submit();
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}
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self.val("");
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break;
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case 38: // Up
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case 40: // Down
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history[i] = self.val();
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if (key == 38 && i != 0) {
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i--;
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} else if (key == 40 && i < history.length - 1) {
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i++;
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}
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self.val(history[i]);
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break;
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default:
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return;
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}
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e.preventDefault();
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});
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return this;
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}
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})(jQuery);
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