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1 /*==================================================
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2 * Simile Timeplot API
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3 *
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4 * Include Timeplot in your HTML file as follows:
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5 * <script src="http://api.simile-widgets.org/timeplot/1.1/timeplot-api.js" type="text/javascript"></script>
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6 *
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7 *==================================================*/
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8
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9 (function() {
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10
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11 var local = false;
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12
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13 // obtain local mode from the document URL
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14 if (document.location.search.length > 0) {
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15 var params = document.location.search.substr(1).split("&");
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16 for (var i = 0; i < params.length; i++) {
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17 if (params[i] == "local") {
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18 local = true;
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19 }
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20 }
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21 }
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22
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23 // obtain local mode from the script URL params attribute
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24 if (!local) {
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25 var heads = document.documentElement.getElementsByTagName("head");
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26 for (var h = 0; h < heads.length; h++) {
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27 var node = heads[h].firstChild;
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28 while (node != null) {
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29 if (node.nodeType == 1 && node.tagName.toLowerCase() == "script") {
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30 var url = node.src;
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31 if (url.indexOf("timeplot-api") >= 0) {
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32 local = (url.indexOf("local") >= 0);
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33 }
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34 }
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35 node = node.nextSibling;
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36 }
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37 }
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38 }
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39
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40 // Load Timeplot if it's not already loaded (after SimileAjax and Timeline)
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41 var loadTimeplot = function() {
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42
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43 if (typeof window.Timeplot != "undefined") {
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44 return;
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45 }
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46
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47 window.Timeplot = {
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48 loaded: false,
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49 params: { bundle: true, autoCreate: true },
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50 importers: {}
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51 };
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52
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53 var javascriptFiles = [
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54 "timeplot.js",
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55 "plot.js",
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56 "sources.js",
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57 "geometry.js",
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58 "color.js",
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59 "math.js",
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60 "processor.js"
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61 ];
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62 var cssFiles = [
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63 "timeplot.css"
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64 ];
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65
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66 var locales = [ "en" ];
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67
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68 var defaultClientLocales = ("language" in navigator ? navigator.language : navigator.browserLanguage).split(";");
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69 for (var l = 0; l < defaultClientLocales.length; l++) {
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70 var locale = defaultClientLocales[l];
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71 if (locale != "en") {
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72 var segments = locale.split("-");
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73 if (segments.length > 1 && segments[0] != "en") {
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74 locales.push(segments[0]);
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75 }
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76 locales.push(locale);
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77 }
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78 }
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79
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80 var paramTypes = { bundle:Boolean, js:Array, css:Array, autoCreate:Boolean };
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81 if (typeof Timeplot_urlPrefix == "string") {
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82 Timeplot.urlPrefix = Timeplot_urlPrefix;
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83 if ("Timeplot_parameters" in window) {
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84 SimileAjax.parseURLParameters(Timeplot_parameters, Timeplot.params, paramTypes);
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85 }
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86 } else {
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87 var url = SimileAjax.findScript(document, "/timeplot-api.js");
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88 if (url == null) {
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89 Timeplot.error = new Error("Failed to derive URL prefix for Simile Timeplot API code files");
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90 return;
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91 }
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92 Timeplot.urlPrefix = url.substr(0, url.indexOf("timeplot-api.js"));
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93
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94 SimileAjax.parseURLParameters(url, Timeplot.params, paramTypes);
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95 }
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96
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97 if (Timeplot.params.locale) { // ISO-639 language codes,
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98 // optional ISO-3166 country codes (2 characters)
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99 if (Timeplot.params.locale != "en") {
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100 var segments = Timeplot.params.locale.split("-");
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101 if (segments.length > 1 && segments[0] != "en") {
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102 locales.push(segments[0]);
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103 }
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104 locales.push(Timeplot.params.locale);
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105 }
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106 }
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107
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108 var timeplotURLPrefix = Timeplot.urlPrefix;
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109
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110 if (local && !("console" in window)) {
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111 var firebug = [ timeplotURLPrefix + "lib/firebug/firebug.js" ];
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112 SimileAjax.includeJavascriptFiles(document, "", firebug);
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113 }
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114
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115 var canvas = document.createElement("canvas");
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116
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117 if (!canvas.getContext) {
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118 var excanvas = [ timeplotURLPrefix + "lib/excanvas.js" ];
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119 SimileAjax.includeJavascriptFiles(document, "", excanvas);
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120 }
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121
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122 var scriptURLs = Timeplot.params.js || [];
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123 var cssURLs = Timeplot.params.css || [];
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124
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125 // Core scripts and styles
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126 if (Timeplot.params.bundle && !local) {
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127 scriptURLs.push(timeplotURLPrefix + "timeplot-bundle.js");
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128 cssURLs.push(timeplotURLPrefix + "timeplot-bundle.css");
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129 } else {
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130 SimileAjax.prefixURLs(scriptURLs, timeplotURLPrefix + "scripts/", javascriptFiles);
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131 SimileAjax.prefixURLs(cssURLs, timeplotURLPrefix + "styles/", cssFiles);
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132 }
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133
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134 // Localization
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135 //for (var i = 0; i < locales.length; i++) {
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136 // scriptURLs.push(Timeplot.urlPrefix + "locales/" + locales[i] + "/locale.js");
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137 //};
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138
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139 window.SimileAjax_onLoad = function() {
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140 if (local && window.console.open) window.console.open();
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141 if (Timeplot.params.callback) {
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142 eval(Timeplot.params.callback + "()");
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143 }
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144 }
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145
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146 SimileAjax.includeJavascriptFiles(document, "", scriptURLs);
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147 SimileAjax.includeCssFiles(document, "", cssURLs);
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148 Timeplot.loaded = true;
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149 };
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150
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151 // Load Timeline if it's not already loaded (after SimileAjax and before Timeplot)
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152 var loadTimeline = function() {
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153 if (typeof Timeline != "undefined") {
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154 loadTimeplot();
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155 } else {
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156 var timelineURL = "http://api.simile-widgets.org/timeline/2.3.1/timeline-api.js?bundle=true";
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157 window.SimileAjax_onLoad = loadTimeplot;
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158 SimileAjax.includeJavascriptFile(document, timelineURL);
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159 }
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160 };
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161
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162 // Load SimileAjax if it's not already loaded
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163 if (typeof SimileAjax == "undefined") {
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164 window.SimileAjax_onLoad = loadTimeline;
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165
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166 var url = "http://api.simile-widgets.org/ajax/2.2.1/simile-ajax-api.js?bundle=true";
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167
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168 var createScriptElement = function() {
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169 var script = document.createElement("script");
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170 script.type = "text/javascript";
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171 script.language = "JavaScript";
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172 script.src = url;
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173 document.getElementsByTagName("head")[0].appendChild(script);
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174 }
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175
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176 if (document.body == null) {
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177 try {
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178 document.write("<script src='" + url + "' type='text/javascript'></script>");
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179 } catch (e) {
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180 createScriptElement();
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181 }
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182 } else {
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183 createScriptElement();
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184 }
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185 } else {
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186 loadTimeline();
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187 }
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188 })();
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