mirror of
https://github.com/plexusorg/Website.git
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459 lines
17 KiB
JavaScript
459 lines
17 KiB
JavaScript
/*
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* Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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"use strict";
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const messages = {
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enterTerm: "Enter a search term",
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noResult: "No results found",
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oneResult: "Found one result",
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manyResults: "Found {0} results",
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loading: "Loading search index...",
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searching: "Searching...",
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redirecting: "Redirecting to first result...",
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linkIcon: "Link icon",
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linkToSection: "Link to this section"
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}
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const categories = {
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modules: "Modules",
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packages: "Packages",
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types: "Classes and Interfaces",
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members: "Members",
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searchTags: "Search Tags"
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};
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const highlight = "<span class='result-highlight'>$&</span>";
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const NO_MATCH = {};
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const MAX_RESULTS = 300;
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function checkUnnamed(name, separator) {
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return name === "<Unnamed>" || !name ? "" : name + separator;
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}
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function escapeHtml(str) {
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return str.replace(/</g, "<").replace(/>/g, ">");
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}
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function getHighlightedText(str, boundaries, from, to) {
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var start = from;
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var text = "";
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for (var i = 0; i < boundaries.length; i += 2) {
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var b0 = boundaries[i];
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var b1 = boundaries[i + 1];
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if (b0 >= to || b1 <= from) {
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continue;
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}
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text += escapeHtml(str.slice(start, Math.max(start, b0)));
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text += "<span class='result-highlight'>";
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text += escapeHtml(str.slice(Math.max(start, b0), Math.min(to, b1)));
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text += "</span>";
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start = Math.min(to, b1);
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}
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text += escapeHtml(str.slice(start, to));
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return text;
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}
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function getURLPrefix(item, category) {
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var urlPrefix = "";
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var slash = "/";
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if (category === "modules") {
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return item.l + slash;
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} else if (category === "packages" && item.m) {
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return item.m + slash;
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} else if (category === "types" || category === "members") {
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if (item.m) {
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urlPrefix = item.m + slash;
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} else {
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$.each(packageSearchIndex, function(index, it) {
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if (it.m && item.p === it.l) {
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urlPrefix = it.m + slash;
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}
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});
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}
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}
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return urlPrefix;
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}
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function getURL(item, category) {
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if (item.url) {
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return item.url;
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}
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var url = getURLPrefix(item, category);
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if (category === "modules") {
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url += "module-summary.html";
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} else if (category === "packages") {
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if (item.u) {
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url = item.u;
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} else {
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url += item.l.replace(/\./g, '/') + "/package-summary.html";
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}
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} else if (category === "types") {
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if (item.u) {
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url = item.u;
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} else {
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url += checkUnnamed(item.p, "/").replace(/\./g, '/') + item.l + ".html";
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}
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} else if (category === "members") {
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url += checkUnnamed(item.p, "/").replace(/\./g, '/') + item.c + ".html" + "#";
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if (item.u) {
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url += item.u;
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} else {
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url += item.l;
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}
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} else if (category === "searchTags") {
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url += item.u;
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}
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item.url = url;
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return url;
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}
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function createMatcher(term, camelCase) {
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if (camelCase && !isUpperCase(term)) {
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return null; // no need for camel-case matcher for lower case query
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}
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var pattern = "";
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var upperCase = [];
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term.trim().split(/\s+/).forEach(function(w, index, array) {
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var tokens = w.split(/(?=[A-Z,.()<>?[\/])/);
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for (var i = 0; i < tokens.length; i++) {
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var s = tokens[i];
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// ',' and '?' are the only delimiters commonly followed by space in java signatures
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pattern += "(" + $.ui.autocomplete.escapeRegex(s).replace(/[,?]/g, "$&\\s*?") + ")";
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upperCase.push(false);
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var isWordToken = /\w$/.test(s);
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if (isWordToken) {
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if (i === tokens.length - 1 && index < array.length - 1) {
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// space in query string matches all delimiters
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pattern += "(.*?)";
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upperCase.push(isUpperCase(s[0]));
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} else {
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if (!camelCase && isUpperCase(s) && s.length === 1) {
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pattern += "()";
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} else {
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pattern += "([a-z0-9$<>?[\\]]*?)";
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}
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upperCase.push(isUpperCase(s[0]));
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}
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} else {
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pattern += "()";
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upperCase.push(false);
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}
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}
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});
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var re = new RegExp(pattern, "gi");
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re.upperCase = upperCase;
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return re;
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}
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function findMatch(matcher, input, startOfName, endOfName) {
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var from = startOfName;
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matcher.lastIndex = from;
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var match = matcher.exec(input);
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// Expand search area until we get a valid result or reach the beginning of the string
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while (!match || match.index + match[0].length < startOfName || endOfName < match.index) {
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if (from === 0) {
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return NO_MATCH;
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}
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from = input.lastIndexOf(".", from - 2) + 1;
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matcher.lastIndex = from;
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match = matcher.exec(input);
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}
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var boundaries = [];
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var matchEnd = match.index + match[0].length;
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var score = 5;
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var start = match.index;
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var prevEnd = -1;
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for (var i = 1; i < match.length; i += 2) {
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var isUpper = isUpperCase(input[start]);
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var isMatcherUpper = matcher.upperCase[i];
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// capturing groups come in pairs, match and non-match
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boundaries.push(start, start + match[i].length);
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// make sure groups are anchored on a left word boundary
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var prevChar = input[start - 1] || "";
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var nextChar = input[start + 1] || "";
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if (start !== 0 && !/[\W_]/.test(prevChar) && !/[\W_]/.test(input[start])) {
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if (isUpper && (isLowerCase(prevChar) || isLowerCase(nextChar))) {
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score -= 0.1;
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} else if (isMatcherUpper && start === prevEnd) {
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score -= isUpper ? 0.1 : 1.0;
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} else {
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return NO_MATCH;
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}
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}
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prevEnd = start + match[i].length;
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start += match[i].length + match[i + 1].length;
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// lower score for parts of the name that are missing
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if (match[i + 1] && prevEnd < endOfName) {
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score -= rateNoise(match[i + 1]);
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}
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}
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// lower score if a type name contains unmatched camel-case parts
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if (input[matchEnd - 1] !== "." && endOfName > matchEnd)
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score -= rateNoise(input.slice(matchEnd, endOfName));
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score -= rateNoise(input.slice(0, Math.max(startOfName, match.index)));
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if (score <= 0) {
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return NO_MATCH;
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}
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return {
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input: input,
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score: score,
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boundaries: boundaries
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};
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}
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function isUpperCase(s) {
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return s !== s.toLowerCase();
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}
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function isLowerCase(s) {
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return s !== s.toUpperCase();
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}
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function rateNoise(str) {
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return (str.match(/([.(])/g) || []).length / 5
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+ (str.match(/([A-Z]+)/g) || []).length / 10
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+ str.length / 20;
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}
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function doSearch(request, response) {
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var term = request.term.trim();
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var maxResults = request.maxResults || MAX_RESULTS;
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if (term.length === 0) {
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return this.close();
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}
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var matcher = {
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plainMatcher: createMatcher(term, false),
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camelCaseMatcher: createMatcher(term, true)
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}
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var indexLoaded = indexFilesLoaded();
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function getPrefix(item, category) {
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switch (category) {
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case "packages":
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return checkUnnamed(item.m, "/");
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case "types":
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return checkUnnamed(item.p, ".");
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case "members":
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return checkUnnamed(item.p, ".") + item.c + ".";
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default:
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return "";
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}
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}
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function useQualifiedName(category) {
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switch (category) {
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case "packages":
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return /[\s/]/.test(term);
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case "types":
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case "members":
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return /[\s.]/.test(term);
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default:
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return false;
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}
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}
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function searchIndex(indexArray, category) {
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var matches = [];
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if (!indexArray) {
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if (!indexLoaded) {
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matches.push({ l: messages.loading, category: category });
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}
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return matches;
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}
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$.each(indexArray, function (i, item) {
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var prefix = getPrefix(item, category);
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var simpleName = item.l;
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var qualifiedName = prefix + simpleName;
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var useQualified = useQualifiedName(category);
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var input = useQualified ? qualifiedName : simpleName;
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var startOfName = useQualified ? prefix.length : 0;
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var endOfName = category === "members" && input.indexOf("(", startOfName) > -1
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? input.indexOf("(", startOfName) : input.length;
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var m = findMatch(matcher.plainMatcher, input, startOfName, endOfName);
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if (m === NO_MATCH && matcher.camelCaseMatcher) {
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m = findMatch(matcher.camelCaseMatcher, input, startOfName, endOfName);
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}
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if (m !== NO_MATCH) {
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m.indexItem = item;
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m.prefix = prefix;
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m.category = category;
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if (!useQualified) {
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m.input = qualifiedName;
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m.boundaries = m.boundaries.map(function(b) {
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return b + prefix.length;
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});
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}
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matches.push(m);
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}
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return true;
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});
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return matches.sort(function(e1, e2) {
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return e2.score - e1.score;
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}).slice(0, maxResults);
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}
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var result = searchIndex(moduleSearchIndex, "modules")
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.concat(searchIndex(packageSearchIndex, "packages"))
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.concat(searchIndex(typeSearchIndex, "types"))
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.concat(searchIndex(memberSearchIndex, "members"))
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.concat(searchIndex(tagSearchIndex, "searchTags"));
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if (!indexLoaded) {
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updateSearchResults = function() {
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doSearch(request, response);
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}
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} else {
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updateSearchResults = function() {};
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}
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response(result);
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}
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// JQuery search menu implementation
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$.widget("custom.catcomplete", $.ui.autocomplete, {
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_create: function() {
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this._super();
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this.widget().menu("option", "items", "> .result-item");
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// workaround for search result scrolling
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this.menu._scrollIntoView = function _scrollIntoView( item ) {
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var borderTop, paddingTop, offset, scroll, elementHeight, itemHeight;
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if ( this._hasScroll() ) {
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borderTop = parseFloat( $.css( this.activeMenu[ 0 ], "borderTopWidth" ) ) || 0;
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paddingTop = parseFloat( $.css( this.activeMenu[ 0 ], "paddingTop" ) ) || 0;
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offset = item.offset().top - this.activeMenu.offset().top - borderTop - paddingTop;
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scroll = this.activeMenu.scrollTop();
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elementHeight = this.activeMenu.height() - 26;
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itemHeight = item.outerHeight();
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if ( offset < 0 ) {
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this.activeMenu.scrollTop( scroll + offset );
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} else if ( offset + itemHeight > elementHeight ) {
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this.activeMenu.scrollTop( scroll + offset - elementHeight + itemHeight );
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}
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}
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};
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},
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_renderMenu: function(ul, items) {
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var currentCategory = "";
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var widget = this;
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widget.menu.bindings = $();
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$.each(items, function(index, item) {
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if (item.category && item.category !== currentCategory) {
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ul.append("<li class='ui-autocomplete-category'>" + categories[item.category] + "</li>");
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currentCategory = item.category;
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}
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var li = widget._renderItemData(ul, item);
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if (item.category) {
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li.attr("aria-label", categories[item.category] + " : " + item.l);
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} else {
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li.attr("aria-label", item.l);
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}
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li.attr("class", "result-item");
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});
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ul.append("<li class='ui-static-link'><a href='" + pathtoroot + "search.html?q="
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+ encodeURI(widget.term) + "'>Go to search page</a></li>");
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},
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_renderItem: function(ul, item) {
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var li = $("<li/>").appendTo(ul);
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var div = $("<div/>").appendTo(li);
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var label = item.l
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? item.l
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: getHighlightedText(item.input, item.boundaries, 0, item.input.length);
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var idx = item.indexItem;
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if (item.category === "searchTags" && idx && idx.h) {
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if (idx.d) {
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div.html(label + "<span class='search-tag-holder-result'> (" + idx.h + ")</span><br><span class='search-tag-desc-result'>"
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+ idx.d + "</span><br>");
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} else {
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div.html(label + "<span class='search-tag-holder-result'> (" + idx.h + ")</span>");
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}
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} else {
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div.html(label);
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}
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return li;
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}
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});
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$(function() {
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var expanded = false;
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var windowWidth;
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function collapse() {
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if (expanded) {
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$("div#navbar-top").removeAttr("style");
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$("button#navbar-toggle-button")
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.removeClass("expanded")
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.attr("aria-expanded", "false");
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expanded = false;
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}
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}
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$("button#navbar-toggle-button").click(function (e) {
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if (expanded) {
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collapse();
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} else {
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var navbar = $("div#navbar-top");
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navbar.height(navbar.prop("scrollHeight"));
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$("button#navbar-toggle-button")
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.addClass("expanded")
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.attr("aria-expanded", "true");
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expanded = true;
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windowWidth = window.innerWidth;
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}
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});
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$("ul.sub-nav-list-small li a").click(collapse);
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$("input#search-input").focus(collapse);
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$("main").click(collapse);
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$("section[id] > :header, :header[id], :header:has(a[id])").each(function(idx, el) {
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// Create anchor links for headers with an associated id attribute
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var hdr = $(el);
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var id = hdr.attr("id") || hdr.parent("section").attr("id") || hdr.children("a").attr("id");
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if (id) {
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hdr.append(" <a href='#" + id + "' class='anchor-link' aria-label='" + messages.linkToSection
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+ "'><img src='" + pathtoroot + "link.svg' alt='" + messages.linkIcon +"' tabindex='0'"
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+ " width='16' height='16'></a>");
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}
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});
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$(window).on("orientationchange", collapse).on("resize", function(e) {
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if (expanded && windowWidth !== window.innerWidth) collapse();
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});
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var search = $("#search-input");
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var reset = $("#reset-button");
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search.catcomplete({
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minLength: 1,
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delay: 200,
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source: doSearch,
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response: function(event, ui) {
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if (!ui.content.length) {
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ui.content.push({ l: messages.noResult });
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} else {
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$("#search-input").empty();
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}
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},
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autoFocus: true,
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focus: function(event, ui) {
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return false;
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},
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position: {
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collision: "flip"
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},
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select: function(event, ui) {
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if (ui.item.indexItem) {
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var url = getURL(ui.item.indexItem, ui.item.category);
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window.location.href = pathtoroot + url;
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$("#search-input").focus();
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}
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}
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});
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search.val('');
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search.prop("disabled", false);
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reset.prop("disabled", false);
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reset.click(function() {
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search.val('').focus();
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});
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search.focus();
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});
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