58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
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(function($) {
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var self = null;
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$.fn.liveUpdate = function(list) {
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return this.each(function() {
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new $.liveUpdate(this, list);
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});
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};
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$.liveUpdate = function (e, list) {
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this.field = $(e);
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this.list = $('#' + list);
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if (this.list.length > 0) {
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this.init();
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}
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};
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$.liveUpdate.prototype = {
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init: function() {
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var self = this;
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this.setupCache();
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this.field.parents('form').submit(function() { return false; });
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this.field.keyup(function() { self.filter(); });
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self.filter();
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},
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filter: function() {
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if ($.trim(this.field.val()) == '') { this.list.children('li').show(); return; }
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this.displayResults(this.getScores(this.field.val().toLowerCase()));
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},
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setupCache: function() {
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var self = this;
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this.cache = [];
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this.rows = [];
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this.list.children('li').each(function() {
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self.cache.push(this.innerHTML.toLowerCase());
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self.rows.push($(this));
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});
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this.cache_length = this.cache.length;
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},
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displayResults: function(scores) {
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var self = this;
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this.list.children('li').hide();
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$.each(scores, function(i, score) { self.rows[score[1]].show(); });
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},
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getScores: function(term) {
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var scores = [];
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for (var i=0; i < this.cache_length; i++) {
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var score = this.cache[i].score(term);
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if (score > 0) { scores.push([score, i]); }
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}
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return scores.sort(function(a, b) { return b[0] - a[0]; });
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}
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}
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})(jQuery);
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