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| − | /** <pre>
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| − | * highlightTable.js
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| − | *
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| − | * Description:
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| − | * Adds row highlighting to tables
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| − | *
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| − | * Version 1.0: Row highlighting - Quarenon
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| − | * Version 1.1: Update from pengLocations.js v1.0 - Quarenon
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| − | * Version 2.0: pengLocations v2.1, Granular cookie - Saftzie
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| − | * Version 2.1: Made compatible with jquery.tablesorter - Cqm
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| − | */
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| − |
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| − | ;(function ($, mw) {
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| − |
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| − | 'use strict';
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| − |
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| − | function highlightTable() {
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| − |
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| − | // requires CSS classes named in lightOnClass and mouseOverClass
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| − | var wgPageName = mw.config.get('wgPageName'),
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| − | cookiePrefix = 'lightTable',
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| − | tableClass = 'lighttable',
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| − | lightOnClass = 'highlight-on',
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| − | mouseOverClass = 'highlight-over',
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| − | base64url = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_',
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| − | pageSeparator = '!',
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| − | tableSeparator = '.',
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| − | hashPageName,
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| − | rows = [],
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| − | columns,
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| − | tables,
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| − | cookie;
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| − |
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| − | // hash a string into a 32-bit hex string, msb first
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| − | function crc32c(s) {
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| − | var polynomial = 0x04C11DB7, // Castagnoli polynomial
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| − | retVal,
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| − | table = [],
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| − | i,
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| − | j,
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| − | k;
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| − |
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| − | // guarantee 8-bit chars
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| − | s = window.unescape(window.encodeURI(s));
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| − |
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| − | // calculate the crc for all 8-bit data
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| − | // bit-wise operations discard anything left of bit 31
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| − | for (i = 0; i < 256; i += 1) {
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| − | k = (i << 24);
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| − | for (j = 0; j < 8; j += 1) {
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| − | k = (k << 1) ^ ((k >>> 31) * polynomial);
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| − | }
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| − | table[i] = k;
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| − | }
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| − |
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| − | // the actual calculation
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| − | retVal = 0;
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| − | for (i = 0; i < s.length; i += 1) {
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| − | retVal = (retVal << 8) ^ table[(retVal >>> 24) ^ s.charCodeAt(i)];
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| − | }
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| − |
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| − | // make negative numbers unsigned
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| − | if (retVal < 0) {
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| − | retVal += 4294967296;
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| − | }
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| − | // 32-bit hex string, padded on the left
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| − | retVal = '0000000' + retVal.toString(16).toUpperCase();
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| − | retVal = retVal.substr(retVal.length - 8);
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| − |
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| − | return retVal;
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| − | }
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| − |
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| − | // change the row bg color based on mouse events
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| − | function setHighlight(el, val) {
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| − | $(el).removeClass(mouseOverClass).removeClass(lightOnClass);
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| − | switch (val) {
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| − | case 1: // light on
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| − | $(el).addClass(lightOnClass);
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| − | break;
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| − | case 2: // mouse-over
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| − | $(el).addClass(mouseOverClass);
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| − | break;
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| − | default: // same as case 0, light off
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| − | }
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| − | }
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| − |
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| − | // load the cookie and parse it for the page
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| − | // cookie info is saved in 1 of 16 browser cookies, based on page name hash
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| − | // global cookie[][] supports multiple tables and multiple pages
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| − | // uses global hashPageName
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| − | function loadCookie(numTables) {
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| − | var cookieName = cookiePrefix + '-' + hashPageName.charAt(0),
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| − | pageCookies,
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| − | tableCookies,
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| − | iPage,
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| − | iTable,
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| − | i,
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| − | j,
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| − | k;
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| − |
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| − | cookie = [];
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| − | if ($.cookie(cookieName) !== null) {
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| − | pageCookies = $.cookie(cookieName).split(pageSeparator);
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| − | for (iPage = 0; iPage < pageCookies.length; iPage += 1) {
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| − | if (hashPageName === pageCookies[iPage].substr(0, 8)) {
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| − | tableCookies = pageCookies[iPage].substr(8).split(tableSeparator);
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| − | // trim the cookie array of arrays, if needed
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| − | while (tableCookies.length > numTables) {
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| − | tableCookies.pop();
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| − | }
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| − | // extract the row info per table
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| − | // use Base64url to compress 6 rows to 1 character
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| − | for (iTable = 0; iTable < tableCookies.length; iTable += 1) {
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| − | cookie[iTable] = [];
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| − | for (i = 0; i < tableCookies[iTable].length; i += 1) {
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| − | k = base64url.indexOf(tableCookies[iTable].charAt(i));
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| − | if (k < 0) { // input validation
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| − | k = 0;
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| − | }
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| − | for (j = 5; j >= 0; j -= 1) {
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| − | cookie[iTable][6 * i + j] = (k & 0x1);
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| − | k >>= 1;
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| − | }
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| − | }
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| − | }
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| − | }
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| − | }
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| − | }
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| − |
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| − | // initialize the cookie array of arrays, if needed
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| − | while (cookie.length < numTables) {
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| − | cookie.push([]);
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| − | }
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| − | }
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| − |
| + | |
| − | // save/update the cookie for page reloads
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| − | // cookie info is saved in 1 of 16 browser cookies, based on page name hash
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| − | // global cookie[][] supports multiple tables and multiple pages
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| − | // uses global hashPageName
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| − | function saveCookie() {
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| − | var cookieName = cookiePrefix + '-' + hashPageName.charAt(0),
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| − | pageCookies,
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| − | tableCookies,
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| − | iPage,
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| − | iTable,
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| − | i,
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| − | j,
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| − | k,
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| − | updated;
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| − |
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| − | // create the cookie for the tables on the current page
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| − | // use Base64url to compress 6 rows to 1 character
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| − | tableCookies = hashPageName;
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| − | for (iTable = 0; iTable < cookie.length; iTable += 1) {
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| − | if (iTable > 0) {
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| − | tableCookies += tableSeparator;
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| − | }
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| − | for (i = 0; i < Math.ceil(cookie[iTable].length / 6); i += 1) {
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| − | k = cookie[iTable][6 * i];
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| − | for (j = 1; j < 6; j += 1) {
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| − | k = 2 * k + ((6 * i + j < cookie[iTable].length) ? cookie[iTable][6 * i + j] : 0);
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| − | }
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| − | tableCookies += base64url.charAt(k);
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| − | }
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| − | }
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| − |
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| − | updated = 0;
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| − | pageCookies = [];
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| − | if ($.cookie(cookieName) !== null) {
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| − | // get all the page cookies
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| − | // another page might have updated them since this page
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| − | pageCookies = $.cookie(cookieName).split(pageSeparator);
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| − | // update the page cookie if it already exists
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| − | for (iPage = 0; iPage < pageCookies.length; iPage += 1) {
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| − | if (hashPageName === pageCookies[iPage].substr(0, 8)) {
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| − | updated = 1;
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| − | pageCookies[iPage] = tableCookies;
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| − | }
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| − | }
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| − | }
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| − | // add the page cookie if it doesn't exist yet
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| − | if (updated === 0) {
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| − | pageCookies.push(tableCookies);
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| − | }
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| − |
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| − | // set path to / so it works for /wiki/, /index.php, etc
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| − | $.cookie(cookieName, pageCookies.join(pageSeparator), {
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| − | expires: 7,
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| − | path: '/'
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| − | });
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| − | }
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| − |
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| − | tables = $('table.' + tableClass);
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| − | // don't bother doing anything unless there's really something to do
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| − | if (tables.length > 0) {
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| − | // hash the page name to an 8-char hex string
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| − | hashPageName = crc32c(wgPageName);
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| − | loadCookie(tables.length);
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| − |
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| − | tables.each(function (iTable) {
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| − | rows[iTable] = $(this).find('tr:has(td)'); // data rows
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| − |
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| − | // init or trim the cookie array of rows, if needed
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| − | while (cookie[iTable].length < rows[iTable].length) {
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| − | cookie[iTable].push(0);
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| − | }
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| − | while (cookie[iTable].length > rows[iTable].length) {
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| − | cookie[iTable].pop();
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| − | }
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| − |
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| − | // don't rely on headers to find # of columns
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| − | // count them dynamically
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| − | columns = 1;
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| − |
| + | |
| − | rows[iTable].each(function (iRow) {
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| − | // update column count as we go
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| − | // a smarter approach would count colspans, but this is good for now
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| − | columns = Math.max(columns, $(this).children('th,td').length);
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| − |
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| − | // initialize highlighting based on the cookie
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| − | setHighlight(this, cookie[iTable][iRow]);
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| − |
| + | |
| − | // set mouse events
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| − | $(this).mouseover(function () {
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| − | setHighlight(this, 2);
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| − | }).mouseout(function () {
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| − | setHighlight(this, cookie[iTable][iRow]);
| + | |
| − | }).click(function (e) {
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| − | // don't toggle highlight when clicking links
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| − | if ((e.target.tagName !== 'A') && (e.target.tagName !== 'IMG')) {
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| − | cookie[iTable][iRow] = 1 - cookie[iTable][iRow];
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| − | setHighlight(this, cookie[iTable][iRow]);
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| − | saveCookie();
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| − | }
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| − | });
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| − | });
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| − |
| + | |
| − | // add a button for reset
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| − | $(this).append(
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| − | $('<tfoot/>')
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| − | .append(
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| − | $('<tr/>')
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| − | .append(
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| − | $('<th/>')
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| − | .attr('colspan', columns)
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| − | .append(
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| − | $('<input>')
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| − | .attr({
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| − | 'type': 'button',
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| − | 'value': 'Reset'
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| − | })
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| − | .click(function () {
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| − | rows[iTable].each(function (iRow) {
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| − | cookie[iTable][iRow] = 0;
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| − | setHighlight(this, 0);
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| − | });
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| − | saveCookie();
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| − | })
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| − | )
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| − | )
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| − | )
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| − | );
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| − | });
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| − | }
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| − | }
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| − |
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| − | $(highlightTable);
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| − |
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| − | }(this.jQuery, this.mediaWiki));
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| − |
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| − | /* </pre> */
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