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/* global google */ |
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/* global visualizer */ |
| 3 |
/* global console */ |
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|
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// this will store the images for each chart rendered. |
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var __visualizer_chart_images = []; |
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|
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(function($) { |
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var gv; |
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var all_charts, objects; |
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// so that we know which charts belong to our library. |
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var rendered_charts = []; |
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|
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function renderChart(id) { |
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renderSpecificChart(id, all_charts[id]); |
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} |
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|
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function renderSpecificChart(id, chart) { |
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var render, container, series, data, table, settings, i, j, row, date, axis, property, format, formatter; |
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|
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if(chart.library !== 'google'){ |
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return; |
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} |
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rendered_charts[id] = 'yes'; |
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|
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series = chart.series; |
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data = chart.data; |
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settings = chart.settings; |
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|
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container = document.getElementById(id); |
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if (container == null) { |
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return; |
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} |
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table = new gv.DataTable({cols: series}); |
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|
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render = objects[id] || null; |
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if (!render) { |
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switch (chart.type) { |
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case "gauge": |
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case "table": |
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case "timeline": |
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render = chart.type.charAt(0).toUpperCase() + chart.type.slice(1); |
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break; |
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default: |
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render = chart.type.charAt(0).toUpperCase() + chart.type.slice(1) + 'Chart'; |
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break; |
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} |
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|
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render = new gv[render](container); |
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} |
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|
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if (settings['animation'] && parseInt(settings['animation']['startup']) === 1) |
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{ |
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settings['animation']['startup'] = true; |
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settings['animation']['duration'] = parseInt(settings['animation']['duration']); |
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} |
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|
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switch (chart.type) { |
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case 'pie': |
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if (settings.slices) { |
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for (i in settings.slices) { |
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if (settings.slices[i]['color'] === '') { |
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delete settings.slices[i]['color']; |
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} |
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} |
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} |
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break; |
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case 'line': |
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case 'bar': |
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case 'column': |
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case 'area': |
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case 'scatter': |
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case 'candlestick': |
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if (settings.series) { |
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for (i in settings.series) { |
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if (settings.series[i]['color'] === '') { |
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delete settings.series[i]['color']; |
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} |
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} |
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} |
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|
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if (settings.series && settings.legend && settings.legend.position === "left") |
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{ |
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settings.targetAxisIndex = 1; |
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} |
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break; |
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case 'geo': |
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if (settings.region !== undefined && settings.region.replace(/^\s+|\s+$/g, '') === '') { |
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settings['region'] = 'world'; |
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} |
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break; |
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case 'table': |
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if (parseInt(settings['pagination']) !== 1) |
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{ |
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delete settings['pageSize']; |
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} |
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break; |
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case 'gauge': |
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break; |
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case 'timeline': |
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settings['timeline'] = []; |
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settings['timeline']['groupByRowLabel'] = settings['groupByRowLabel'] ? true : false; |
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settings['timeline']['colorByRowLabel'] = settings['colorByRowLabel'] ? true : false; |
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settings['timeline']['showRowLabels'] = settings['showRowLabels'] ? true : false; |
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if(settings['singleColor'] !== '') { |
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settings['timeline']['singleColor'] = settings['singleColor']; |
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} |
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break; |
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case 'combo': |
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if (settings.series) { |
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for (i in settings.series) { |
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if (settings.series[i]['type'] === '') { |
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delete settings.series[i]['type']; |
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} |
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if (settings.series[i]['color'] === '') { |
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delete settings.series[i]['color']; |
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} |
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} |
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} |
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|
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if (settings.series && settings.legend && settings.legend.position === "left") |
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{ |
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settings.targetAxisIndex = 1; |
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} |
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break; |
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default: |
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return; |
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} |
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|
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if (series[0] && (series[0].type === 'date' || series[0].type === 'datetime' || series[0].type === 'timeofday')) { |
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axis = false; |
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switch (chart.type) { |
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case 'line': |
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case 'area': |
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case 'scatter': |
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case 'candlestick': |
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case 'column': |
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case 'combo': |
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axis = settings.hAxis; |
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break; |
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case 'bar': |
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axis = settings.vAxis; |
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break; |
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} |
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|
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if (axis) { |
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for (property in axis.viewWindow) { |
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date = new Date(axis.viewWindow[property]); |
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if (Object.prototype.toString.call(date) === "[object Date]") { |
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if (!isNaN(date.getTime())) { |
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axis.viewWindow[property] = date; |
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continue; |
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} |
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} |
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|
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delete axis.viewWindow[property]; |
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} |
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} |
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} |
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|
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if(settings.hAxis){ |
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if(settings.hAxis.textStyle && settings.hAxis.textStyle !== ''){ |
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if(typeof(settings.hAxis.textStyle) === "string") { |
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settings.hAxis.textStyle = {color: settings.hAxis.textStyle}; |
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} |
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} |
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} |
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|
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if(settings.vAxis){ |
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if(settings.vAxis.textStyle && settings.vAxis.textStyle !== ''){ |
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if(typeof(settings.vAxis.textStyle) === "string") { |
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settings.vAxis.textStyle = {color: settings.vAxis.textStyle}; |
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} |
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} |
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} |
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|
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for (i = 0; i < data.length; i++) { |
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row = []; |
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for (j = 0; j < series.length; j++) { |
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if (series[j].type === 'date' || series[j].type === 'datetime') { |
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date = new Date(data[i][j]); |
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data[i][j] = null; |
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if (Object.prototype.toString.call(date) === "[object Date]") { |
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if (!isNaN(date.getTime())) { |
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data[i][j] = date; |
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} |
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} |
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} |
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row.push(data[i][j]); |
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} |
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table.addRow(row); |
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} |
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|
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if (settings.series) { |
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switch(chart.type){ |
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case 'table': |
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for(i in settings.series){ |
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i = parseInt(i); |
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if (!series[i + 1]) { |
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continue; |
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} |
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format_data(id, table, series[i + 1].type, settings.series[i].format, i + 1); |
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} |
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break; |
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default: |
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for (i = 0; i < settings.series.length; i++) { |
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if (!series[i + 1]) { |
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continue; |
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} |
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format_data(id, table, series[i + 1].type, settings.series[i].format, i + 1); |
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} |
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break; |
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} |
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} else if (chart.type === 'pie' && settings.format && settings.format !== '') { |
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format_data(id, table, 'number', settings.format, 1); |
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} |
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override(settings); |
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|
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gv.events.addListener(render, 'ready', function () { |
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var arr = id.split('-'); |
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__visualizer_chart_images[ arr[0] + '-' + arr[1] ] = ''; |
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try{ |
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var img = render.getImageURI(); |
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__visualizer_chart_images[ arr[0] + '-' + arr[1] ] = img; |
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$('body').trigger('visualizer:render:chart', {id: arr[1], image: img}); |
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}catch(error){ |
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console.warn('render.getImageURI not defined for ' + arr[0] + '-' + arr[1]); |
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} |
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}); |
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|
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render.draw(table, settings); |
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} |
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|
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function format_data(id, table, type, format, index) { |
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if (!format || format === '') { |
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return; |
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} |
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|
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var formatter = null; |
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switch (type) { |
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case 'number': |
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formatter = new gv.NumberFormat({pattern: format}); |
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break; |
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case 'date': |
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case 'datetime': |
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case 'timeofday': |
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formatter = new gv.DateFormat({pattern: format}); |
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break; |
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} |
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|
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if (formatter) { |
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formatter.format(table, index); |
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} |
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|
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var arr = id.split('-'); |
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$('body').trigger('visualizer:format:chart', {id: parseInt(arr[1]), data: table, column: index}); |
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|
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} |
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|
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function override(settings) { |
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if (settings.manual) { |
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try{ |
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var options = JSON.parse(settings.manual); |
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$.extend(settings, options); |
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delete settings.manual; |
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}catch(error){ |
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console.error("Error while adding manual configuration override " + settings.manual); |
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} |
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} |
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} |
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|
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function render() { |
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for (var id in (all_charts || {})) { |
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renderChart(id); |
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} |
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} |
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|
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if(typeof visualizer !== 'undefined'){ |
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// called while updating the chart. |
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visualizer.update = function(){ |
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renderChart('canvas'); |
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}; |
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} |
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|
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|
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var resizeTimeout; |
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|
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$(document).ready(function() { |
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$(window).resize(function() { |
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clearTimeout(resizeTimeout); |
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resizeTimeout = setTimeout(render, 100); |
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}); |
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|
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resizeHiddenContainers(true); |
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}); |
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|
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$(window).on('load', function(){ |
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resizeHiddenContainers(true); |
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}); |
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|
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function resizeHiddenContainers(everytime){ |
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$(".visualizer-front").parents().each(function(){ |
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if(!$(this).is(":visible") && !$(this).hasClass("visualizer-hidden-container")){ |
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$(this).addClass("visualizer-hidden-container"); |
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} |
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}); |
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|
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var mutateObserver = new MutationObserver(function(records) { |
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records.forEach(function(record) { |
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if(record.attributeName === "style" || record.attributeName === "class"){ |
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var element = $(record.target); |
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var displayStyle = window.getComputedStyle(element[0]).getPropertyValue("display"); |
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if(element.hasClass("visualizer-hidden-container-resized") || displayStyle === "none") { return ; } |
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element.find(".visualizer-front").resize(); |
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if(!everytime) { |
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element.addClass("visualizer-hidden-container-resized"); |
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} |
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} |
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}); |
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}); |
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|
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$('.visualizer-hidden-container').each(function(){ |
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mutateObserver.observe($(this)[0], {attributes: true}); |
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}); |
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} |
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|
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$('body').on('visualizer:render:chart:start', function(event, v){ |
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objects = {}; |
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google.charts.load("current", {packages: ["corechart", "geochart", "gauge", "table", "timeline"], mapsApiKey: v.map_api_key, 'language' : v.language}); |
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google.charts.setOnLoadCallback(function() { |
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gv = google.visualization; |
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all_charts = v.charts; |
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render(); |
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}); |
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}); |
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|
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$('body').on('visualizer:render:specificchart:start', function(event, v){ |
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objects = {}; |
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gv = google.visualization; |
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renderSpecificChart(v.id, v.chart); |
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}); |
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|
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// front end actions |
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$('body').on('visualizer:action:specificchart', function(event, v){ |
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switch(v.action){ |
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case 'print': |
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var id = v.id; |
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if(typeof rendered_charts[id] === 'undefined'){ |
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return; |
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} |
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var arr = id.split('-'); |
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var img = __visualizer_chart_images[ arr[0] + '-' + arr[1] ]; |
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// for charts that have no rendered image defined, we print the data instead. |
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var html = v.data; |
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if(img !== ''){ |
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html = "<html><body><img src='" + img + "' /></body></html>"; |
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} |
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$('body').trigger('visualizer:action:specificchart:defaultprint', {data: html}); |
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break; |
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} |
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}); |
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|
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})(jQuery); |
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|
