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annotate d3s_examples/python-neo4jrestclient/static/platin/js/PieChart/PieChartGui.js @ 23:80010fb9dbce

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author casties
date Fri, 30 Oct 2015 15:37:43 +0100
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1 /*
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2 * PieChartGui.js
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3 *
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4 * Copyright (c) 2013, Sebastian Kruse. All rights reserved.
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5 *
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6 * This library is free software; you can redistribute it and/or
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7 * modify it under the terms of the GNU Lesser General Public
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8 * License as published by the Free Software Foundation; either
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9 * version 3 of the License, or (at your option) any later version.
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10 *
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11 * This library is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with this library; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 * MA 02110-1301 USA
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20 */
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21
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22 /**
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23 * @class PieChartGui
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24 * PieChart GUI Implementation
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25 * @author Sebastian Kruse (skruse@mpiwg-berlin.mpg.de)
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26 *
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27 * @param {PieChartWidget} parent PieChart widget object
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28 * @param {HTML object} div parent div to append the PieChart gui
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29 * @param {JSON} options PieChart configuration
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30 */
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31 function PieChartGui(pieChart, div, options) {
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32
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33 this.parent = pieChart;
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34 this.options = options;
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35 var pieChartGui = this;
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36
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37 this.pieChartContainer = div;
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38 this.pieChartContainer.style.position = 'relative';
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39
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40 this.columnSelectorDiv = document.createElement("div");
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41 div.appendChild(this.columnSelectorDiv);
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42 this.datasetSelect = document.createElement("select");
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43 $(this.datasetSelect).change(function(event){
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44 if (typeof pieChartGui.parent.datasets !== "undefined"){
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45 var dataset = pieChartGui.parent.datasets[$(pieChartGui.datasetSelect).val()];
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46 if (dataset.objects.length > 0){
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47 //This implies that the dataObjects are homogenous
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48 var firstObject = dataset.objects[0];
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49 var firstTableContent = firstObject.tableContent;
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50 $(pieChartGui.columnSelect).empty();
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51
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52 $(pieChartGui.columnSelect).append("<optgroup label='saved'>");
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53
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54 for(var key in localStorage){
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55 //TODO: this is a somewhat bad idea, as it is used in multiple widgets.
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56 //A global GeoTemCo option "prefix" could be better. But still..
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57 var prefix = pieChartGui.options.localStoragePrefix;
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58 if (key.startsWith(prefix)){
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59 var saveObject = $.remember({name:key,json:true});
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60 var label = key.substring(prefix.length);
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61 //small safety-check: if the column is not part of this dataset, don't show it
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62 if (typeof firstTableContent[saveObject.columnName] !== "undefined")
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63 $(pieChartGui.columnSelect).append("<option isSaved=1 value='"+label+"'>"+decodeURIComponent(label)+"</option>");
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64 }
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65 }
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66 $(pieChartGui.columnSelect).append("</optgroup>");
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67
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68 $(pieChartGui.columnSelect).append("<optgroup label='new'>");
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69 for (var attribute in firstTableContent) {
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70 $(pieChartGui.columnSelect).append("<option value='"+attribute+"'>"+attribute+"</option>");
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71 }
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72 if (firstObject.isTemporal)
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73 $(pieChartGui.columnSelect).append("<option value='dates[0].date'>date</option>");
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74 if (typeof firstObject.locations[0] !== "undefined"){
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75 $(pieChartGui.columnSelect).append("<option value='locations[0].latitude'>lat</option>");
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76 $(pieChartGui.columnSelect).append("<option value='locations[0].longitude'>lon</option>");
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77 }
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78 $(pieChartGui.columnSelect).append("</optgroup>");
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79 }
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80 }
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81 });
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82 this.columnSelectorDiv.appendChild(this.datasetSelect);
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83 this.columnSelect = document.createElement("select");
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84 this.columnSelectorDiv.appendChild(this.columnSelect);
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85 this.buttonNewPieChart = document.createElement("button");
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86 $(this.buttonNewPieChart).text("add");
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87 this.columnSelectorDiv.appendChild(this.buttonNewPieChart);
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88 $(this.buttonNewPieChart).click(function(){
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89 //check if this is a local saved pie chart
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90 var isSaved=$(pieChartGui.columnSelect).find("option:selected").first().attr("isSaved");
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91 if ((typeof isSaved === "undefined") || (isSaved!=1)){
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92 //create new pie chart (where each value is its own category)
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93 pieChartGui.parent.addPieChart($(pieChartGui.datasetSelect).val(), $(pieChartGui.columnSelect).val());
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94 } else {
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95 //is local saved, get value
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96 var name = pieChartGui.options.localStoragePrefix + $(pieChartGui.columnSelect).val();
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97 var saveObject = $.remember({name:name,json:true});
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98 if ((typeof saveObject !== "undefined") && (saveObject != null)){
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99 var categories = saveObject.categories;
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100 var type = saveObject.type;
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101 var columnName = saveObject.columnName;
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102
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103 //create pie chart
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104 pieChartGui.parent.addCategorizedPieChart(
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105 $(pieChartGui.datasetSelect).val(), columnName,
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106 type, categories);
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107 }
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108 }
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109 });
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110 this.buttonPieChartCategoryChooser = document.createElement("button");
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111 $(this.buttonPieChartCategoryChooser).text("categorize");
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112 this.columnSelectorDiv.appendChild(this.buttonPieChartCategoryChooser);
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113 $(this.buttonPieChartCategoryChooser).click(function(){
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114 //check if this is a local saved pie chart
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115 var isSaved=$(pieChartGui.columnSelect).find("option:selected").first().attr("isSaved");
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116 if ((typeof isSaved === "undefined") || (isSaved!=1)){
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117 var chooser = new PieChartCategoryChooser( pieChartGui.parent,
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118 pieChartGui.options,
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119 $(pieChartGui.datasetSelect).val(),
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120 $(pieChartGui.columnSelect).val() );
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121 } else {
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122 alert("Saved datasets can not be categorized again. Try loading and editing instead.");
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123 }
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124 });
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125
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126 this.refreshColumnSelector();
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127
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128 this.pieChartsDiv = document.createElement("div");
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129 this.pieChartsDiv.id = "pieChartsDivID";
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130 div.appendChild(this.pieChartsDiv);
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131 $(this.pieChartsDiv).height("100%");
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132 };
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133
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134 PieChartGui.prototype = {
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135
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136 refreshColumnSelector : function(){
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137 $(this.datasetSelect).empty();
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138 $(this.columnSelect).empty();
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139
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140 if ( (typeof this.parent.datasets !== "undefined") && (this.parent.datasets.length > 0)) {
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141 var index = 0;
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142 var pieChartGui = this;
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143 $(this.parent.datasets).each(function(){
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144 $(pieChartGui.datasetSelect).append("<option value="+index+">"+this.label+"</option>");
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145 index++;
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146 });
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147
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148 $(pieChartGui.datasetSelect).change();
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149 }
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150 }
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151 };