experimental/palette/index.js

   1 // Copyright (c) 2012 Google, Inc.
   2 //
   3 // Permission is hereby granted, free of charge, to any person obtaining a copy
   4 // of this software and associated documentation files (the "Software"), to deal
   5 // in the Software without restriction, including without limitation the rights
   6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7 // copies of the Software, and to permit persons to whom the Software is
   8 // furnished to do so, subject to the following conditions:
   9 //
  10 // The above copyright notice and this permission notice shall be included in
  11 // all copies or substantial portions of the Software.
  12 //
  13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19 // THE SOFTWARE.
  20
  21 /**
  22  * @fileoverview Javascript to run index.html.
  23  *
  24  * @author konigsberg@google.com (Robert Konigsberg)
  25  */
  26
  27 "use strict";
  28
  29 var Index = {};
  30
  31 Index.splitVariables = function() { // http://www.idealog.us/2006/06/javascript_to_p.html
  32   var query = window.location.search.substring(1);
  33   var args = {};
  34   var vars = query.split("&");
  35   for (var i = 0; i < vars.length; i++) {
  36     if (vars[i].length > 0) {
  37       var pair = vars[i].split("=");
  38       args[pair[0]] = pair[1];
  39     }
  40   }
  41   return args;
  42 }
  43
  44 Index.draw = function(element, data, options) {
  45   element.innerHTML = "";
  46   element.removeAttribute("style");
  47   var g = new Dygraph(
  48     element,
  49     data,
  50     options
  51   );
  52
  53   // These don't work yet.
  54   g.updateOptions({
  55     labelsDiv: 'status',
  56   });
  57 }
  58
  59 Index.addMessage = function(text) {
  60   var messages = document.getElementById("messages");
  61   messages.textContent = messages.textContent + text + "\n";
  62 }
  63
  64 Index.start = function() {
  65   var variables = Index.splitVariables();
  66   var sampleName = variables["sample"];
  67   if (!(sampleName)) {
  68     sampleName = "interestingShapes";
  69   }
  70   var sampleIndex = Samples.indexOf(sampleName);
  71   var sample = Samples.data[sampleIndex];
  72   var data = sample.data;
  73   var redraw = function() {
  74     Index.draw(document.getElementById("graph"), data, palette.read());
  75   }
  76
  77   var selector = document.getElementById("selector").getElementsByTagName("select")[0];
  78   for (var idx in Samples.data) {
  79     var entry = Samples.data[idx];
  80     var option = document.createElement("option");
  81     option.value = entry.id;
  82     option.textContent = entry.title;
  83     selector.appendChild(option);
  84   }
  85   selector.onchange = function() {
  86     var id = selector.options[selector.selectedIndex].value;
  87     var url = document.URL;
  88     var qmIndex = url.indexOf("?");
  89     if (qmIndex >= 0) {
  90       url = url.substring(0, qmIndex);
  91     }
  92     url = url + "?sample=" + id;
  93     for (var idx in variables) {
  94       if (idx != "sample") {
  95         url = url + "&" + idx + "=" + variables[idx];
  96       }
  97     }
  98     window.location = url;
  99   }
 100   selector.selectedIndex = sampleIndex;
 101   var palette = new Palette();
 102   palette.create(document, document.getElementById("optionsPalette"));
 103   palette.write(sample.options);
 104   palette.onchange = redraw;
 105   palette.filterBar.focus();
 106   redraw();
 107
 108   for (var opt in Dygraph.OPTIONS_REFERENCE) {
 109     if (!(opt in opts)) {
 110       var entry = Dygraph.OPTIONS_REFERENCE[opt];
 111       console.warn("missing option: " + opt + " of type " + entry.type);
 112     }
 113   }
 114 }