Introduce reps for grips

Author: janodvarko

data/core/string.js

@@ -0,0 +1,53 @@
+/* See license.txt for terms of usage */
+
+"use strict";
+
+define(function(require, exports, module) {
+
+var Str = {};
+
+Str.cropString = function(text, limit, alternativeText)
+{
+  if (!alternativeText) {
+    alternativeText = "...";
+  }
+
+  // Make sure it's a string.
+  text = String(text);
+
+  // Use default limit if necessary.
+  if (!limit) {
+    limit = 50;//prefs["stringCropLength"];
+  }
+
+  // Crop the string only if a limit is actually specified.
+  if (limit <= 0) {
+    return text;
+  }
+
+  // Set the limit at least to the length of the alternative text
+  // plus one character of the original text.
+  if (limit <= alternativeText.length) {
+    limit = alternativeText.length + 1;
+  }
+
+  var halfLimit = (limit - alternativeText.length) / 2;
+
+  if (text.length > limit) {
+    return text.substr(0, Math.ceil(halfLimit)) + alternativeText +
+    text.substr(text.length - Math.floor(halfLimit));
+  }
+
+  return text;
+};
+
+Str.escapeNewLines = function(value) {
+  return value.replace(/\r/gm, "\\r").replace(/\n/gm, "\\n");
+};
+
+Str.cropMultipleLines = function(text, limit) {
+  return this.escapeNewLines(this.cropString(text, limit));
+};
+
+exports.Str = Str;
+});