// Handlebars helpers
-Handlebars.registerHelper('json', function(obj) {
- return $.toJSON(obj);
+
+Handlebars.registerHelper('mkws-json', function(obj) {
+ return mkws.$.toJSON(obj);
});
-Handlebars.registerHelper('paragraphs', function(obj) {
- var acc = [];
- for (var i = 0; i < obj.length; i++) {
- // I don't know why, but we need the \n, otherwise Handlebars elides paragraphs
- acc.push('<p>', obj[i], '</p>', "\n");
- }
- return acc.join('');
+// 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('<p>', sentences.join(' '), '</p>');
+ nSent -= sentences.length;
+ if (nSent == 0)
+ break;
+ }
+
+ return acc.join('');
});
-Handlebars.registerHelper('translate', function(s) {
- return mkws.M(s);
+Handlebars.registerHelper('mkws-translate', function(s) {
+ return mkws.M(s);
});
-// We need {{attr '@name'}} because Handlebars can't parse {{@name}}
-Handlebars.registerHelper('attr', function(attrName) {
- return this[attrName];
+// 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 = "";
-
- for (var i in items) {
- if (i > 0) out += ", ";
- out += options.fn(items[i])
+var _urlRegexp = /^(https?:)?\/\//;
+Handlebars.registerHelper('mkws-best-url', function(items) {
+ for (var i in items) {
+ var item = items[i]
+ if (item.match(_urlRegexp)) {
+ mkws.debug("'" + item + "' *is* a URL");
+ return item;
+ }
+ mkws.debug("'" + item + "' is not a URL");
+ }
+ return "";
+});
+Handlebars.registerHelper('mkws-other-urls', function(items) {
+ var res = [];
+ for (var i in items) {
+ var item = items[i]
+ if (item.match(_urlRegexp)) {
+ res.push(item);
}
+ }
+ return res;
+});
+
+
+
+Handlebars.registerHelper('mkws-commaList', function(items, options) {
+ var out = "";
+
+ 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-indexplus', function(delta, obj) {
+ return obj.data.index + delta;
+});
+
+Handlebars.registerHelper('mkws-repeat', function(count, options) {
+ var out = "";
+ for (var i = 0; i < count; i++) {
+ out += options.fn(this);
+ }
+ return out;
+});
+
+// Ridiculous that Handlebars has no way to do "or"
+Handlebars.registerHelper('mkws-if-either', function(cond1, cond2, options) {
+ if (typeof cond1 === 'function') { cond1 = cond1.call(this); }
+ if (typeof cond2 === 'function') { cond2 = cond2.call(this); }
+
+ if (cond1 || cond2) {
+ return options.fn(this);
+ } else {
+ return options.inverse(this);
+ }
+});
+
+// Ridiculous that this, too, is not part of regular Handlebars
+// This code is by Mike Griffin, taken from this blog comment:
+// http://doginthehat.com.au/2012/02/comparison-block-helper-for-handlebars-templates/#comment-44
+
+Handlebars.registerHelper('compare', function (lvalue, operator, rvalue, options) {
+ var operators, result;
+
+ if (arguments.length < 3) {
+ throw new Error("Handlerbars Helper 'compare' needs 2 parameters");
+ }
+
+ if (options === undefined) {
+ options = rvalue;
+ rvalue = operator;
+ operator = "===";
+ }
+
+ operators = {
+ '==': function (l, r) { return l == r; },
+ '===': function (l, r) { return l === r; },
+ '!=': function (l, r) { return l != r; },
+ '!==': function (l, r) { return l !== r; },
+ '<': function (l, r) { return l < r; },
+ '>': function (l, r) { return l > r; },
+ '<=': function (l, r) { return l <= r; },
+ '>=': function (l, r) { return l >= r; },
+ 'typeof': function (l, r) { return typeof l == r; },
+ 'matches': function (l, r) { return l.match(r); }
+ };
+
+ if (!operators[operator]) {
+ throw new Error("Handlerbars Helper 'compare' doesn't know the operator " + operator);
+ }
+
+ result = operators[operator](lvalue, rvalue);
+
+ if (result) {
+ return options.fn(this);
+ } else {
+ return options.inverse(this);
+ }
});
projects / mkws-moved-to-github.git / blobdiff