366 lines
16 KiB
JavaScript
366 lines
16 KiB
JavaScript
/*
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Tipue Search 5.0
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Copyright (c) 2015 Tipue
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Tipue Search is released under the MIT License
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http://www.tipue.com/search
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*/
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(function ($) {
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var originalTitle = document.title;
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// Stop words (list from http://www.ranks.nl/stopwords)
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var tipuesearch_stop_words = ["a", "about", "above", "after", "again", "against", "all", "am", "an", "and", "any", "are", "aren't", "as", "at", "be", "because", "been", "before", "being", "below", "between", "both", "but", "by", "can't", "cannot", "could", "couldn't", "did", "didn't", "do", "does", "doesn't", "doing", "don't", "down", "during", "each", "few", "for", "from", "further", "had", "hadn't", "has", "hasn't", "have", "haven't", "having", "he", "he'd", "he'll", "he's", "her", "here", "here's", "hers", "herself", "him", "himself", "his", "how", "how's", "i", "i'd", "i'll", "i'm", "i've", "if", "in", "into", "is", "isn't", "it", "it's", "its", "itself", "let's", "me", "more", "most", "mustn't", "my", "myself", "no", "nor", "not", "of", "off", "on", "once", "only", "or", "other", "ought", "our", "ours", "ourselves", "out", "over", "own", "same", "shan't", "she", "she'd", "she'll", "she's", "should", "shouldn't", "so", "some", "such", "than", "that", "that's", "the", "their", "theirs", "them", "themselves", "then", "there", "there's", "these", "they", "they'd", "they'll", "they're", "they've", "this", "those", "through", "to", "too", "under", "until", "up", "very", "was", "wasn't", "we", "we'd", "we'll", "we're", "we've", "were", "weren't", "what", "what's", "when", "when's", "where", "where's", "which", "while", "who", "who's", "whom", "why", "why's", "with", "won't", "would", "wouldn't", "you", "you'd", "you'll", "you're", "you've", "your", "yours", "yourself", "yourselves"];
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// Internal strings
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var tipuesearch_string_one_result = '1 result';
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var tipuesearch_string_results = 'results';
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var tipuesearch_string_prev = 'Previous';
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var tipuesearch_string_next = 'Next';
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var tipuesearch_string_no_results = 'Nothing found';
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var tipuesearch_string_common_words_ignored = 'Common words are largely ignored';
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var tipuesearch_string_too_short = 'Search too short';
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var tipuesearch_string_one_character_or_more = 'Should be one character or more';
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var tipuesearch_string_should_be_x_or_more = 'Should be !min characters or more';
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// Main containers
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var tipue_container, tipue_backdrop;
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function getURLP(name) {
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return decodeURIComponent((new RegExp('[?|&]' + name + '=' + '([^&;]+?)(&|#|;|$)').exec(location.search) || [, ""])[1].replace(/\+/g, '%20')) || null;
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}
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function closeSearch() {
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document.title = originalTitle;
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$(document).off("keyup", keyUpHandler);
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$("body").removeClass("with-search");
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tipue_container.hide();
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tipue_backdrop.hide();
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}
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function keyUpHandler(e) {
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if (e.which == 27) { //escape
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closeSearch();
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}
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}
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function getSearchString(searchFor) {
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var standard = true;
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var hasStopWords = false;
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if ((searchFor.match("^\"") && searchFor.match("\"$")) || (searchFor.match("^'") && searchFor.match("'$"))) {
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standard = false;
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}
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if (standard) {
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var d_w = searchFor.split(' ');
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searchFor = '';
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for (var i = 0; i < d_w.length; i++) {
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var isStopWord = false;
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for (var f = 0; f < tipuesearch_stop_words.length; f++) {
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if (d_w[i] == tipuesearch_stop_words[f]) {
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isStopWord = true;
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hasStopWords = true;
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}
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}
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if (!isStopWord) {
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searchFor = searchFor + ' ' + d_w[i];
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}
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}
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searchFor = $.trim(searchFor);
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} else {
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searchFor = searchFor.substring(1, searchFor.length - 1);
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}
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return {
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hasStopWords: hasStopWords,
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isStandard: standard,
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searchFor: searchFor
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};
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}
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function getScore(searchFor, page) {
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var score = 0;
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var pat = new RegExp(searchFor, 'gi');
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if (page.title.search(pat) != -1) {
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score += (20 * page.title.match(pat).length);
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}
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if (page.text.search(pat) != -1) {
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score += (20 * page.text.match(pat).length);
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}
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if (page.tags.search(pat) != -1) {
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score += (10 * page.tags.match(pat).length);
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}
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if (page.url.search(pat) != -1) {
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score += 20;
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}
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return score;
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}
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function makeResult(score, page, text) {
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return {
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"score": score,
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"title": page.title,
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"desc": text,
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"url": page.url
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}
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}
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window.tipuesearch = function (options) {
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var settings = $.extend(
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{
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'field': $('#tipue_search_input'),
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'show': 10,
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'showURL': true,
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'showTitleCount': true,
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'minimumLength': 3,
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'descriptiveWords': 25,
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'highlightTerms': true,
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'highlightEveryTerm': false,
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'contentLocation': 'tipuesearch/tipuesearch_content.json',
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'debug': false
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}, options);
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var tipuesearch_in = {
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pages: []
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};
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$.ajax(
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{
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dataType: "json",
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url: settings.base_url + settings.contentLocation,
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async: false
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})
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.done(
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function (json) {
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tipuesearch_in = $.extend({}, json);
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});
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if (getURLP('q')) {
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settings.field.val(getURLP('q'));
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getTipueSearch(0, true);
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}
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settings.field.keyup(
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function (event) {
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if (event.keyCode == '13') {
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getTipueSearch(0, true);
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}
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});
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function highlightText(search, text) {
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if (settings.highlightTerms) {
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var pattern = new RegExp('(' + search + ')', settings.highlightEveryTerm ? 'gi' : 'i');
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text = text.replace(pattern, "<span class=\"SearchResults__highlight\">$1</span>");
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}
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return text;
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}
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function getResults(searchFor, standard) {
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var found = [];
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if (standard) {
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var d_w = searchFor.split(' ');
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for (var i = 0; i < tipuesearch_in.pages.length; i++) {
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var score = 0;
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var text = tipuesearch_in.pages[i].text;
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for (var f = 0; f < d_w.length; f++) {
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if (d_w[f].match('^-')) {
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var pat = new RegExp(d_w[f].substring(1), 'i');
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if (tipuesearch_in.pages[i].title.search(pat) != -1 || tipuesearch_in.pages[i].text.search(pat) != -1 || tipuesearch_in.pages[i].tags.search(pat) != -1) {
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score = 0;
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}
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} else {
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score += getScore(d_w[f], tipuesearch_in.pages[i]);
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text = highlightText(d_w[f], text);
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}
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}
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if (score != 0) {
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found.push(makeResult(score, tipuesearch_in.pages[i], text));
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}
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}
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} else {
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for (var i = 0; i < tipuesearch_in.pages.length; i++) {
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var score = getScore(searchFor, tipuesearch_in.pages[i]);
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if (score != 0) {
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found.push(makeResult(score, tipuesearch_in.pages[i], highlightText(searchFor, tipuesearch_in.pages[i].text)));
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}
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}
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}
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found.sort(function (a, b) {
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return b.score - a.score
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});
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return found
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}
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function getTipueSearch(start, replace) {
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if (!tipue_container) {
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tipue_container = $(document.createElement("div"));
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tipue_container.addClass('SearchResults');
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document.body.appendChild(tipue_container.get(0));
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tipue_backdrop = $(document.createElement("div"));
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tipue_backdrop.addClass("SearchResultsBackdrop");
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document.body.appendChild(tipue_backdrop.get(0));
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tipue_container.on('click', '.SearchResults__close', closeSearch);
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tipue_container.on('click', '.SearchResults__footer__link', function () {
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var id_v = $(this).attr('id');
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var id_a = id_v.split('_');
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getTipueSearch(parseInt(id_a[0]), id_a[1]);
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tipue_container.scrollTop(0);
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});
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tipue_container.on('keyup paste', '.Search__field', function(event) {
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settings.field.val($(this).val());
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if (event.keyCode == '13') {
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getTipueSearch(0, true);
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}
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})
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}
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$(document).keyup(keyUpHandler);
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var output = '<input class="Search__field" placeholder="Search..." autocomplete="on" autosave="text_search" type="search" value="'+ settings.field.val() +'"><button class=SearchResults__close>×</button>';
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var search = getSearchString($.trim(settings.field.val().toLowerCase()));
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var searchFor = search.searchFor;
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if (searchFor.length >= settings.minimumLength) {
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var found = getResults(search.searchFor, search.isStandard);
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var counter = found.length;
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if (counter == 0) {
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output += '<div class=SearchResults__warning>' + tipuesearch_string_no_results + '</div>';
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} else {
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if (settings.showTitleCount) {
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document.title = '(' + counter + ') ' + originalTitle;
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}
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if (counter == 1) {
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output += '<div class="SearchResults__count">' + tipuesearch_string_one_result + '</div>';
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} else {
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output += '<div class="SearchResults__count">' + counter + ' ' + tipuesearch_string_results + '</div>';
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}
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var l_o = 0;
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for (var i = 0; i < found.length; i++) {
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if (l_o >= start && l_o < settings.show + start) {
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output += '<div class="SearchResults__title"><a href="' + settings.base_url + found[i].url + '"' + '>' + found[i].title + '</a></div>';
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if (settings.debug) {
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output += '<div class="SearchResults__debug">Score: ' + found[i].score + '</div>';
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}
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if (settings.showURL) {
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var s_u = found[i].url.toLowerCase();
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if (s_u.indexOf('http://') == 0) {
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s_u = s_u.slice(7);
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}
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output += '<div class="SearchResults__url"><a href="' + settings.base_url + found[i].url + '"' + '>' + s_u + '</a></div>';
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}
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if (found[i].desc) {
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var t = found[i].desc;
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var t_d = '';
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var t_w = t.split(' ');
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if (t_w.length < settings.descriptiveWords) {
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t_d = t;
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} else {
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for (var f = 0; f < settings.descriptiveWords; f++) {
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t_d += t_w[f] + ' ';
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}
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}
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t_d = $.trim(t_d);
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if (t_d.charAt(t_d.length - 1) != '.') {
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t_d += ' ...';
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}
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output += '<div class="SearchResults__text">' + t_d + '</div>';
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}
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}
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l_o++;
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}
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if (counter > settings.show) {
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var pages = Math.ceil(counter / settings.show);
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var page = (start / settings.show);
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output += '<div class="SearchResults__footer"><ul class="SearchResults__footer__links Pager">';
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if (start > 0) {
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output += '<li class="Pager--prev"><a class="SearchResults__footer__link" id="' + (start - settings.show) + '_' + replace + '">' + tipuesearch_string_prev + '</a></li>';
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}
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if (page <= 2) {
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var p_b = pages;
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if (pages > 3) {
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p_b = 3;
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}
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for (var f = 0; f < p_b; f++) {
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if (f == page) {
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output += '<li class="current">' + (f + 1) + '</li>';
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} else {
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output += '<li><a class="SearchResults__footer__link" id="' + (f * settings.show) + '_' + replace + '">' + (f + 1) + '</a></li>';
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}
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}
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} else {
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var p_b = page + 2;
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if (p_b > pages) {
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p_b = pages;
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}
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for (var f = page - 1; f < p_b; f++) {
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if (f == page) {
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output += '<li class="current">' + (f + 1) + '</li>';
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} else {
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output += '<li><a class="SearchResults__footer__link" id="' + (f * settings.show) + '_' + replace + '">' + (f + 1) + '</a></li>';
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}
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}
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}
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if (page + 1 != pages) {
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output += '<li class="Pager--next"><a class="SearchResults__footer__link" id="' + (start + settings.show) + '_' + replace + '">' + tipuesearch_string_next + '</a></li>';
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}
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output += '</ul></div>';
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}
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}
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} else {
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if (search.hasStopWords) {
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output += '<div class=SearchResults__warning>' + tipuesearch_string_no_results + '. ' + tipuesearch_string_common_words_ignored + '</div>';
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} else {
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output += '<div class=SearchResults__warning>' + tipuesearch_string_too_short + '</div>';
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if (settings.minimumLength == 1) {
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output += '<div class=SearchResults__warning>' + tipuesearch_string_one_character_or_more + '</div>';
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} else {
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output += '<div class=SearchResults__warning>' + tipuesearch_string_should_be_x_or_more.replace("!min", settings.minimumLength) + '</div>';
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}
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}
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}
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$("body").addClass("with-search").scrollTop(0);
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tipue_backdrop.show();
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tipue_container.scrollTop(0);
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tipue_container.show().html(output);
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}
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};
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})(jQuery);
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