init-chart.js 6.8 KB

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  1. //chart with points
  2. if ($("#sincos").length) {
  3. var sin = [], cos = [];
  4. for (var i = 0; i < 14; i += 0.5) {
  5. sin.push([i, Math.sin(i) / i]);
  6. cos.push([i, Math.cos(i)]);
  7. }
  8. var plot = $.plot($("#sincos"),
  9. [
  10. { data: sin, label: "sin(x)/x"},
  11. { data: cos, label: "cos(x)" }
  12. ], {
  13. series: {
  14. lines: { show: true },
  15. points: { show: true }
  16. },
  17. grid: { hoverable: true, clickable: true, backgroundColor: { colors: ["#fff", "#eee"] } },
  18. yaxis: { min: -1.2, max: 1.2 },
  19. colors: ["#539F2E", "#3C67A5"]
  20. });
  21. function showTooltip(x, y, contents) {
  22. $('<div id="tooltip">' + contents + '</div>').css({
  23. position: 'absolute',
  24. display: 'none',
  25. top: y + 5,
  26. left: x + 5,
  27. border: '1px solid #fdd',
  28. padding: '2px',
  29. 'background-color': '#dfeffc',
  30. opacity: 0.80
  31. }).appendTo("body").fadeIn(200);
  32. }
  33. var previousPoint = null;
  34. $("#sincos").bind("plothover", function (event, pos, item) {
  35. $("#x").text(pos.x.toFixed(2));
  36. $("#y").text(pos.y.toFixed(2));
  37. if (item) {
  38. if (previousPoint != item.dataIndex) {
  39. previousPoint = item.dataIndex;
  40. $("#tooltip").remove();
  41. var x = item.datapoint[0].toFixed(2),
  42. y = item.datapoint[1].toFixed(2);
  43. showTooltip(item.pageX, item.pageY,
  44. item.series.label + " of " + x + " = " + y);
  45. }
  46. }
  47. else {
  48. $("#tooltip").remove();
  49. previousPoint = null;
  50. }
  51. });
  52. $("#sincos").bind("plotclick", function (event, pos, item) {
  53. if (item) {
  54. $("#clickdata").text("You clicked point " + item.dataIndex + " in " + item.series.label + ".");
  55. plot.highlight(item.series, item.datapoint);
  56. }
  57. });
  58. }
  59. //flot chart
  60. if ($("#flotchart").length) {
  61. var d1 = [];
  62. for (var i = 0; i < Math.PI * 2; i += 0.25)
  63. d1.push([i, Math.sin(i)]);
  64. var d2 = [];
  65. for (var i = 0; i < Math.PI * 2; i += 0.25)
  66. d2.push([i, Math.cos(i)]);
  67. var d3 = [];
  68. for (var i = 0; i < Math.PI * 2; i += 0.1)
  69. d3.push([i, Math.tan(i)]);
  70. $.plot($("#flotchart"), [
  71. { label: "sin(x)", data: d1},
  72. { label: "cos(x)", data: d2},
  73. { label: "tan(x)", data: d3}
  74. ], {
  75. series: {
  76. lines: { show: true },
  77. points: { show: true }
  78. },
  79. xaxis: {
  80. ticks: [0, [Math.PI / 2, "\u03c0/2"], [Math.PI, "\u03c0"], [Math.PI * 3 / 2, "3\u03c0/2"], [Math.PI * 2, "2\u03c0"]]
  81. },
  82. yaxis: {
  83. ticks: 10,
  84. min: -2,
  85. max: 2
  86. },
  87. grid: {
  88. backgroundColor: { colors: ["#fff", "#eee"] }
  89. }
  90. });
  91. }
  92. //stack chart
  93. if ($("#stackchart").length) {
  94. var d1 = [];
  95. for (var i = 0; i <= 10; i += 1)
  96. d1.push([i, parseInt(Math.random() * 30)]);
  97. var d2 = [];
  98. for (var i = 0; i <= 10; i += 1)
  99. d2.push([i, parseInt(Math.random() * 30)]);
  100. var d3 = [];
  101. for (var i = 0; i <= 10; i += 1)
  102. d3.push([i, parseInt(Math.random() * 30)]);
  103. var stack = 0, bars = true, lines = false, steps = false;
  104. function plotWithOptions() {
  105. $.plot($("#stackchart"), [ d1, d2, d3 ], {
  106. series: {
  107. stack: stack,
  108. lines: { show: lines, fill: true, steps: steps },
  109. bars: { show: bars, barWidth: 0.6 }
  110. }
  111. });
  112. }
  113. plotWithOptions();
  114. $(".stackControls input").click(function (e) {
  115. e.preventDefault();
  116. stack = $(this).val() == "With stacking" ? true : null;
  117. plotWithOptions();
  118. });
  119. $(".graphControls input").click(function (e) {
  120. e.preventDefault();
  121. bars = $(this).val().indexOf("Bars") != -1;
  122. lines = $(this).val().indexOf("Lines") != -1;
  123. steps = $(this).val().indexOf("steps") != -1;
  124. plotWithOptions();
  125. });
  126. }
  127. //pie chart
  128. var data = [
  129. { label: "Internet Explorer", data: 12},
  130. { label: "Mobile", data: 27},
  131. { label: "Safari", data: 85},
  132. { label: "Opera", data: 64},
  133. { label: "Firefox", data: 90},
  134. { label: "Chrome", data: 112}
  135. ];
  136. if ($("#piechart").length) {
  137. $.plot($("#piechart"), data,
  138. {
  139. series: {
  140. pie: {
  141. show: true
  142. }
  143. },
  144. grid: {
  145. hoverable: true,
  146. clickable: true
  147. },
  148. legend: {
  149. show: false
  150. }
  151. });
  152. function pieHover(event, pos, obj) {
  153. if (!obj)
  154. return;
  155. percent = parseFloat(obj.series.percent).toFixed(2);
  156. $("#hover").html('<span style="font-weight: bold; color: ' + obj.series.color + '">' + obj.series.label + ' (' + percent + '%)</span>');
  157. }
  158. $("#piechart").bind("plothover", pieHover);
  159. }
  160. //donut chart
  161. if ($("#donutchart").length) {
  162. $.plot($("#donutchart"), data,
  163. {
  164. series: {
  165. pie: {
  166. innerRadius: 0.5,
  167. show: true
  168. }
  169. },
  170. legend: {
  171. show: false
  172. }
  173. });
  174. }
  175. // we use an inline data source in the example, usually data would
  176. // be fetched from a server
  177. var data = [], totalPoints = 300;
  178. function getRandomData() {
  179. if (data.length > 0)
  180. data = data.slice(1);
  181. // do a random walk
  182. while (data.length < totalPoints) {
  183. var prev = data.length > 0 ? data[data.length - 1] : 50;
  184. var y = prev + Math.random() * 10 - 5;
  185. if (y < 0)
  186. y = 0;
  187. if (y > 100)
  188. y = 100;
  189. data.push(y);
  190. }
  191. // zip the generated y values with the x values
  192. var res = [];
  193. for (var i = 0; i < data.length; ++i)
  194. res.push([i, data[i]])
  195. return res;
  196. }
  197. // setup control widget
  198. var updateInterval = 30;
  199. $("#updateInterval").val(updateInterval).change(function () {
  200. var v = $(this).val();
  201. if (v && !isNaN(+v)) {
  202. updateInterval = +v;
  203. if (updateInterval < 1)
  204. updateInterval = 1;
  205. if (updateInterval > 2000)
  206. updateInterval = 2000;
  207. $(this).val("" + updateInterval);
  208. }
  209. });
  210. //realtime chart
  211. if ($("#realtimechart").length) {
  212. var options = {
  213. series: { shadowSize: 1 }, // drawing is faster without shadows
  214. yaxis: { min: 0, max: 100 },
  215. xaxis: { show: false }
  216. };
  217. var plot = $.plot($("#realtimechart"), [ getRandomData() ], options);
  218. function update() {
  219. plot.setData([ getRandomData() ]);
  220. // since the axes don't change, we don't need to call plot.setupGrid()
  221. plot.draw();
  222. setTimeout(update, updateInterval);
  223. }
  224. update();
  225. }