auto_tests/tests/Util.js

   1 /**
   2  * @fileoverview Utility functions for Dygraphs.
   3  *
   4  * @author konigsberg@google.com (Robert Konigsberg)
   5  */
   6 var Util = {};
   7
   8 /**
   9  * Get the y-labels for a given axis. You can specify a parent if more than one
  10  * graph is on the document.
  11  */
  12 Util.getYLabels = function(axis_num, parent) {
  13   axis_num = axis_num || "";
  14   parent = parent || document;
  15   var y_labels = parent.getElementsByClassName("dygraph-axis-label-y" + axis_num);
  16   var ary = [];
  17   for (var i = 0; i < y_labels.length; i++) {
  18     ary.push(y_labels[i].innerHTML);
  19   }
  20   return ary;
  21 }
  22
  23 /**
  24  * Returns all text in tags w/ a given css class, sorted.
  25  * You can specify a parent if more than one graph is on the document.
  26  */
  27 Util.getClassTexts = function(css_class, parent) {
  28   parent = parent || document;
  29   var texts = [];
  30   var els = parent.getElementsByClassName(css_class);
  31   for (var i = 0; i < els.length; i++) {
  32     texts[i] = els[i].textContent;
  33   }
  34   texts.sort();
  35   return texts;
  36 }