charts.ko.js 3.8 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. ko.bindingHandlers.pieChart = {
  17. init: function (element, valueAccessor) {
  18. var _options = valueAccessor();
  19. var _data = _options.transformer(_options.data);
  20. nv.addGraph(function () {
  21. var _chart = nv.models.pieChart()
  22. .x(function (d) {
  23. return d.label
  24. })
  25. .y(function (d) {
  26. return d.value
  27. })
  28. .height($(element).width())
  29. .showLabels(true).showLegend(false);
  30. var _d3 = ($(element).find('svg').length > 0) ? d3.select($(element).find('svg')[0]) : d3.select($(element)[0]).append('svg');
  31. _d3.datum(_data)
  32. .transition().duration(350)
  33. .call(_chart);
  34. nv.utils.windowResize(_chart.update);
  35. $(element).height($(element).width());
  36. return _chart;
  37. }, function () {
  38. d3.selectAll(".nv-slice").on('click',
  39. function (d, i) {
  40. _options.onClick(d);
  41. });
  42. });
  43. },
  44. update: function (element, valueAccessor) {
  45. var value = valueAccessor();
  46. // do something with the updated value
  47. }
  48. };
  49. ko.bindingHandlers.barChart = {
  50. init: function (element, valueAccessor) {
  51. barChart(element, valueAccessor(), false);
  52. },
  53. update: function (element, valueAccessor) {
  54. var value = valueAccessor();
  55. // do something with the updated value
  56. }
  57. };
  58. ko.bindingHandlers.timelineChart = {
  59. init: function (element, valueAccessor) {
  60. barChart(element, valueAccessor(), true);
  61. },
  62. update: function (element, valueAccessor) {
  63. var value = valueAccessor();
  64. // do something with the updated value
  65. }
  66. };
  67. function barChart(element, options, isTimeline) {
  68. var _data = options.transformer(options.data);
  69. $(element).height(300);
  70. nv.addGraph(function () {
  71. var _chart;
  72. if (isTimeline) {
  73. _chart = nv.models.multiBarWithFocusChart();
  74. _chart.enableSelection();
  75. _chart.onSelectRange(function(from, to){
  76. console.log("SELECT RANGE!")
  77. console.log(from);
  78. console.log(to);
  79. });
  80. }
  81. else {
  82. _chart = nv.models.multiBarChart();
  83. }
  84. _chart.margin({bottom: 100})
  85. .transitionDuration(300);
  86. _chart.multibar
  87. .hideable(true);
  88. if (isTimeline) {
  89. _chart.xAxis
  90. .showMaxMin(true)
  91. .tickFormat(d3.time.format("%Y-%m-%d %H:%M:%S"));
  92. }
  93. else {
  94. _chart.xAxis
  95. .showMaxMin(true)
  96. .tickFormat(d3.format(',0f'));
  97. }
  98. _chart.yAxis
  99. .tickFormat(d3.format(',0f'));
  100. var _d3 = ($(element).find('svg').length > 0) ? d3.select($(element).find('svg')[0]) : d3.select($(element)[0]).append('svg');
  101. _d3.datum([
  102. {
  103. key: options.label,
  104. values: _data
  105. }
  106. ])
  107. .call(_chart);
  108. nv.utils.windowResize(_chart.update);
  109. return _chart;
  110. }, function () {
  111. d3.selectAll(".nv-bar").on('click',
  112. function (d, i) {
  113. options.onClick(d);
  114. });
  115. });
  116. }