X-Git-Url: http://sru.miketaylor.org.uk/?a=blobdiff_plain;f=src%2Fmkws-handlebars.js;h=bd9af8d1065d9154c237f8756b17e0cb5a96cbbe;hb=fd5d0f9300f108fd5d1b867ef6bd187d16bb05c7;hp=1fabf3c30058711f2642b578a622532dbff7e02e;hpb=7e0bc7d4e170d3b92b1678fa034e3b33eff2b49c;p=mkws-moved-to-github.git diff --git a/src/mkws-handlebars.js b/src/mkws-handlebars.js index 1fabf3c..bd9af8d 100644 --- a/src/mkws-handlebars.js +++ b/src/mkws-handlebars.js @@ -1,62 +1,106 @@ // Handlebars helpers -Handlebars.registerHelper('json', function(obj) { - return $.toJSON(obj); + +Handlebars.registerHelper('mkws-json', function(obj) { + return mkws.$.toJSON(obj); }); -Handlebars.registerHelper('translate', function(s) { - return mkws.M(s); +// This is intended to handle paragraphs from Wikipedia, hence the +// rather hacky code to remove numbered references. +// +Handlebars.registerHelper('mkws-paragraphs', function(obj, nPara, nSent) { + var acc = []; + + // For some reason, Handlebars provides the value + // {"hash":{},"data":{}} for parameters that are not provided. So we + // have to be prepared for actual numbers, explicitly undefined + // values and this dumb magic value. + if (obj && (nPara === undefined || nPara.hasOwnProperty('hash') || nPara == 0 || nPara > obj.length)) { + nPara = obj.length; + } + if (nSent === undefined || nSent.hasOwnProperty('hash') || nSent == 0) { + nSent = Infinity; + } + + for (var i = 0; i < nPara; i++) { + // Remove numbered references such as "[1,3,4]" from text + var text = obj[i].replace(/\[[0-9,]+\]/g, ''); + // Next line from http://stackoverflow.com/questions/18914629/split-string-into-sentences-in-javascript + var sentences = text.replace(/([.?!])\s*(?=[A-Z])/g, "$1|").split("|"); + if (sentences.length > nSent) + sentences.length = nSent; + + acc.push('
', sentences.join(' '), '
'); + nSent -= sentences.length; + if (nSent == 0) + break; + } + + return acc.join(''); }); -// We need {{attr '@name'}} because Handlebars can't parse {{@name}} -Handlebars.registerHelper('attr', function(attrName) { - return this[attrName]; +Handlebars.registerHelper('mkws-translate', function(s) { + return mkws.M(s); +}); + + +// We need {{mkws-attr '@name'}} because Handlebars can't parse {{@name}} +Handlebars.registerHelper('mkws-attr', function(attrName) { + return this[attrName]; }); /* - * Use as follows: {{#if-any NAME1 having="NAME2"}} + * Use as follows: {{#mkws-if-any NAME1 having="NAME2"}} * Applicable when NAME1 is the name of an array * The guarded code runs only if at least one element of the NAME1 * array has a subelement called NAME2. */ -Handlebars.registerHelper('if-any', function(items, options) { - var having = options.hash.having; - for (var i in items) { - var item = items[i] - if (!having || item[having]) { - return options.fn(this); - } +Handlebars.registerHelper('mkws-if-any', function(items, options) { + var having = options.hash.having; + for (var i in items) { + var item = items[i] + if (!having || item[having]) { + return options.fn(this); } - return ""; + } + return ""; }); -Handlebars.registerHelper('first', function(items, options) { - var having = options.hash.having; - for (var i in items) { - var item = items[i] - if (!having || item[having]) { - return options.fn(item); - } +Handlebars.registerHelper('mkws-first', function(items, options) { + var having = options.hash.having; + for (var i in items) { + var item = items[i] + if (!having || item[having]) { + return options.fn(item); } - return ""; + } + return ""; }); -Handlebars.registerHelper('commaList', function(items, options) { - var out = ""; +Handlebars.registerHelper('mkws-commaList', function(items, options) { + var out = ""; - for (var i in items) { - if (i > 0) out += ", "; - out += options.fn(items[i]) - } + for (var i in items) { + if (i > 0) out += ", "; + out += options.fn(items[i]) + } - return out; + return out; }); -Handlebars.registerHelper('index1', function(obj) { - return obj.data.index + 1; +Handlebars.registerHelper('mkws-index1', function(obj) { + return obj.data.index + 1; +}); + +Handlebars.registerHelper('mkws-repeat', function(count, options) { + var out = ""; + for (var i = 0; i < count; i++) { + out += options.fn(this); + } + return out; });