500 lines
16 KiB
TypeScript
500 lines
16 KiB
TypeScript
import $ from 'jquery';
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import { AJAX } from '../modules/ajax.ts';
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import { checkSqlQuery, prepareForAjaxRequest } from '../modules/functions.ts';
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import { ajaxRemoveMessage, ajaxShowMessage } from '../modules/ajax-message.ts';
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import { escapeHtml } from '../modules/functions/escape.ts';
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import { ColumnType, DataTable } from '../modules/chart.ts';
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var chartData = {};
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var tempChartTitle;
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var currentChart = null;
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var currentSettings = null;
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var dateTimeCols = [];
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var numericCols = [];
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function extractDate (dateString) {
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var matches;
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var match;
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var dateTimeRegExp = /[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}/;
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var dateRegExp = /[0-9]{4}-[0-9]{2}-[0-9]{2}/;
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matches = dateTimeRegExp.exec(dateString);
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if (matches !== null && matches.length > 0) {
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match = matches[0];
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return new Date(match.substring(0, 4), parseInt(match.substring(5, 7), 10) - 1, match.substring(8, 10), match.substring(11, 13), match.substring(14, 16), match.substring(17, 19));
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} else {
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matches = dateRegExp.exec(dateString);
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if (matches !== null && matches.length > 0) {
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match = matches[0];
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return new Date(match.substring(0, 4), parseInt(match.substring(5, 7), 10) - 1, match.substring(8, 10));
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}
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}
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return null;
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}
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function queryChart (data, columnNames, settings) {
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const queryChartCanvas = document.getElementById('queryChartCanvas') as HTMLCanvasElement;
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if (! queryChartCanvas) {
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return null;
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}
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var plotSettings = {
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title: {
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text: settings.title,
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escapeHtml: true
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},
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grid: {
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drawBorder: false,
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shadow: false,
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background: 'rgba(0,0,0,0)'
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},
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legend: {
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show: true,
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placement: 'outsideGrid',
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location: 'e',
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rendererOptions: {
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numberColumns: 2
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}
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},
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axes: {
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xaxis: {
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label: escapeHtml(settings.xaxisLabel)
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},
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yaxis: {
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label: settings.yaxisLabel
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}
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},
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stackSeries: settings.stackSeries
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};
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// create the data table and add columns
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const dataTable = new DataTable();
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if (settings.type === 'timeline') {
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dataTable.addColumn(ColumnType.DATE, columnNames[settings.mainAxis]);
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} else if (settings.type === 'scatter') {
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dataTable.addColumn(ColumnType.NUMBER, columnNames[settings.mainAxis]);
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} else {
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dataTable.addColumn(ColumnType.STRING, columnNames[settings.mainAxis]);
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}
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var i;
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var values = [];
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if (settings.seriesColumn === null) {
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$.each(settings.selectedSeries, function (index, element) {
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dataTable.addColumn(ColumnType.NUMBER, columnNames[element]);
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});
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// set data to the data table
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var columnsToExtract = [settings.mainAxis];
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$.each(settings.selectedSeries, function (index, element) {
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columnsToExtract.push(element);
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});
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var newRow;
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var row;
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var col;
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for (i = 0; i < data.length; i++) {
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row = data[i];
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newRow = [];
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for (var j = 0; j < columnsToExtract.length; j++) {
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col = columnNames[columnsToExtract[j]];
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if (j === 0) {
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if (settings.type === 'timeline') { // first column is date type
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newRow.push(extractDate(row[col]));
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} else if (settings.type === 'scatter') {
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newRow.push(parseFloat(row[col]));
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} else { // first column is string type
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newRow.push(row[col]);
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}
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} else { // subsequent columns are of type, number
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newRow.push(parseFloat(row[col]));
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}
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}
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values.push(newRow);
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}
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dataTable.setData(values);
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} else {
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var seriesNames = {};
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var seriesNumber = 1;
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var seriesColumnName = columnNames[settings.seriesColumn];
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for (i = 0; i < data.length; i++) {
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if (! seriesNames[data[i][seriesColumnName]]) {
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seriesNames[data[i][seriesColumnName]] = seriesNumber;
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seriesNumber++;
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}
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}
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$.each(seriesNames, function (seriesName) {
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dataTable.addColumn(ColumnType.NUMBER, seriesName);
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});
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var valueMap = {};
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var xValue;
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var value;
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var mainAxisName = columnNames[settings.mainAxis];
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var valueColumnName = columnNames[settings.valueColumn];
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for (i = 0; i < data.length; i++) {
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xValue = data[i][mainAxisName];
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value = valueMap[xValue];
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if (! value) {
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value = [xValue];
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valueMap[xValue] = value;
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}
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seriesNumber = seriesNames[data[i][seriesColumnName]];
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value[seriesNumber] = parseFloat(data[i][valueColumnName]);
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}
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$.each(valueMap, function (index, value) {
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values.push(value);
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});
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dataTable.setData(values);
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}
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let chartType = settings.type;
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if (chartType === 'spline' || chartType === 'timeline' || chartType === 'area') {
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chartType = 'line';
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} else if (chartType === 'column') {
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chartType = 'bar';
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}
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const chartData = dataTable.getData();
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const chartColumns = dataTable.getColumns();
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const labels = chartData.map(row => row[0]);
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const datasets = [];
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for (let i = 1; i < chartColumns.length; i++) {
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const data = chartData.map(function (row: any[]) {
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if (settings.type === 'scatter') {
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return { x: row[0], y: row[i] };
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}
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return row[i];
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});
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const dataset: Chart.ChartDataSets = { label: chartColumns[i].name, data: data };
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if (settings.type === 'area') {
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dataset.fill = 'start';
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}
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datasets.push(dataset);
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}
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const chartOptions = {
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type: chartType,
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data: { labels: labels, datasets: datasets },
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options: {
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animation: false,
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plugins: {
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legend: { position: 'right' },
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title: { display: plotSettings.title.text !== '', text: plotSettings.title.text }
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},
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indexAxis: settings.type === 'bar' ? 'y' : 'x',
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scales: {
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x: {
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display: true,
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title: { display: plotSettings.axes.xaxis.label !== '', text: plotSettings.axes.xaxis.label },
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stacked: plotSettings.stackSeries,
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},
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y: {
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display: true,
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title: { display: plotSettings.axes.yaxis.label !== '', text: plotSettings.axes.yaxis.label },
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stacked: plotSettings.stackSeries,
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}
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}
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}
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};
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if (settings.type === 'timeline') {
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// @ts-ignore
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chartOptions.options.scales.x.type = 'time';
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}
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// @ts-ignore
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let queryChart = window.Chart.getChart('queryChartCanvas');
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if (queryChart) {
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queryChart.destroy();
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}
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// @ts-ignore
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queryChart = new window.Chart(queryChartCanvas, chartOptions);
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if (settings.type === 'spline') {
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queryChart.options.elements.line.tension = 0.4;
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queryChart.update('none');
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}
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return queryChart;
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}
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function drawChart () {
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currentSettings.width = $('#resizer').width() - 20;
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currentSettings.height = $('#resizer').height() - 20;
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// TODO: a better way using .redraw() ?
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if (currentChart !== null) {
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currentChart.destroy();
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}
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var columnNames = [];
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$('#chartXAxisSelect option').each(function () {
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columnNames.push(escapeHtml($(this).text()));
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});
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try {
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currentChart = queryChart(chartData, columnNames, currentSettings);
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if (currentChart !== null) {
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$('#saveChart').attr('href', currentChart.toBase64Image());
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}
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} catch (err) {
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ajaxShowMessage(err.message, false);
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}
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}
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function getSelectedSeries () {
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var val = ($('#chartSeriesSelect').val() as string[]) || [];
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var ret = [];
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$.each(val, function (i, v) {
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ret.push(parseInt(v, 10));
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});
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return ret;
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}
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function onXAxisChange () {
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var $xAxisSelect = $('#chartXAxisSelect');
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currentSettings.mainAxis = parseInt(($xAxisSelect.val() as string), 10);
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if (dateTimeCols.indexOf(currentSettings.mainAxis) !== -1) {
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document.getElementById('timelineChartType').classList.remove('d-none');
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} else {
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document.getElementById('timelineChartType').classList.add('d-none');
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if (currentSettings.type === 'timeline') {
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$('#lineChartTypeRadio').prop('checked', true);
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currentSettings.type = 'line';
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}
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}
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if (numericCols.indexOf(currentSettings.mainAxis) !== -1) {
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document.getElementById('scatterChartType').classList.remove('d-none');
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} else {
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document.getElementById('scatterChartType').classList.add('d-none');
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if (currentSettings.type === 'scatter') {
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$('#lineChartTypeRadio').prop('checked', true);
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currentSettings.type = 'line';
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}
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}
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var xAxisTitle = $xAxisSelect.children('option:selected').text();
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$('#xAxisLabelInput').val(xAxisTitle);
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currentSettings.xaxisLabel = xAxisTitle;
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}
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function onDataSeriesChange () {
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var $seriesSelect = $('#chartSeriesSelect');
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currentSettings.selectedSeries = getSelectedSeries();
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var yAxisTitle;
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if (currentSettings.selectedSeries.length === 1) {
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document.getElementById('pieChartType').classList.remove('d-none');
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yAxisTitle = $seriesSelect.children('option:selected').text();
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} else {
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document.getElementById('pieChartType').classList.add('d-none');
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if (currentSettings.type === 'pie') {
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$('#lineChartTypeRadio').prop('checked', true);
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currentSettings.type = 'line';
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}
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yAxisTitle = window.Messages.strYValues;
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}
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$('#yAxisLabelInput').val(yAxisTitle);
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currentSettings.yaxisLabel = yAxisTitle;
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}
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/**
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* Unbind all event handlers before tearing down a page
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*/
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AJAX.registerTeardown('table/chart.js', function () {
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$('input[name="chartType"]').off('click');
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$('#barStackedCheckbox').off('click');
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$('#seriesColumnCheckbox').off('click');
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$('#chartTitleInput').off('focus').off('keyup').off('blur');
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$('#chartXAxisSelect').off('change');
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$('#chartSeriesSelect').off('change');
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$('#chartSeriesColumnSelect').off('change');
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$('#chartValueColumnSelect').off('change');
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$('#xAxisLabelInput').off('keyup');
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$('#yAxisLabelInput').off('keyup');
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$('#resizer').off('resizestop');
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$('#tblchartform').off('submit');
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});
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AJAX.registerOnload('table/chart.js', function () {
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// handle chart type changes
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$('input[name="chartType"]').on('click', function () {
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var type = currentSettings.type = $(this).val();
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if (type === 'bar' || type === 'column' || type === 'area') {
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document.getElementById('barStacked').classList.remove('d-none');
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} else {
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$('#barStackedCheckbox').prop('checked', false);
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$.extend(true, currentSettings, { stackSeries: false });
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document.getElementById('barStacked').classList.add('d-none');
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}
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drawChart();
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});
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// handle chosing alternative data format
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$('#seriesColumnCheckbox').on('click', function () {
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var $seriesColumn = $('#chartSeriesColumnSelect');
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var $valueColumn = $('#chartValueColumnSelect');
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var $chartSeries = $('#chartSeriesSelect');
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if ($(this).is(':checked')) {
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$seriesColumn.prop('disabled', false);
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$valueColumn.prop('disabled', false);
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$chartSeries.prop('disabled', true);
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currentSettings.seriesColumn = parseInt(($seriesColumn.val() as string), 10);
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currentSettings.valueColumn = parseInt(($valueColumn.val() as string), 10);
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} else {
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$seriesColumn.prop('disabled', true);
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$valueColumn.prop('disabled', true);
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$chartSeries.prop('disabled', false);
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currentSettings.seriesColumn = null;
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currentSettings.valueColumn = null;
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}
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drawChart();
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});
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// handle stacking for bar, column and area charts
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$('#barStackedCheckbox').on('click', function () {
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if ($(this).is(':checked')) {
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$.extend(true, currentSettings, { stackSeries: true });
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} else {
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$.extend(true, currentSettings, { stackSeries: false });
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}
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drawChart();
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});
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// handle changes in chart title
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$('#chartTitleInput')
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.on('focus', function () {
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tempChartTitle = $(this).val();
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})
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.on('keyup', function () {
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currentSettings.title = $('#chartTitleInput').val();
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drawChart();
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})
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.on('blur', function () {
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if ($(this).val() !== tempChartTitle) {
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drawChart();
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}
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});
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// handle changing the x-axis
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$('#chartXAxisSelect').on('change', function () {
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onXAxisChange();
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drawChart();
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});
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// handle changing the selected data series
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$('#chartSeriesSelect').on('change', function () {
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onDataSeriesChange();
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drawChart();
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});
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// handle changing the series column
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$('#chartSeriesColumnSelect').on('change', function () {
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currentSettings.seriesColumn = parseInt(($(this).val() as string), 10);
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drawChart();
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});
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// handle changing the value column
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$('#chartValueColumnSelect').on('change', function () {
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currentSettings.valueColumn = parseInt(($(this).val() as string), 10);
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drawChart();
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});
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// handle manual changes to the chart x-axis labels
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$('#xAxisLabelInput').on('keyup', function () {
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currentSettings.xaxisLabel = $(this).val();
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drawChart();
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});
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// handle manual changes to the chart y-axis labels
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$('#yAxisLabelInput').on('keyup', function () {
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currentSettings.yaxisLabel = $(this).val();
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drawChart();
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});
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// handler for ajax form submission
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($('#tblchartform') as JQuery<HTMLFormElement>).on('submit', function () {
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var $form = ($(this) as JQuery<HTMLFormElement>);
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if (window.codeMirrorEditor) {
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// @ts-ignore
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$form[0].elements.sql_query.value = window.codeMirrorEditor.getValue();
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}
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if (! checkSqlQuery($form[0])) {
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return false;
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}
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var $msgbox = ajaxShowMessage();
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prepareForAjaxRequest($form);
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$.post($form.attr('action'), $form.serialize(), function (data) {
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if (typeof data !== 'undefined' &&
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data.success === true &&
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typeof data.chartData !== 'undefined') {
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chartData = JSON.parse(data.chartData);
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drawChart();
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ajaxRemoveMessage($msgbox);
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} else {
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ajaxShowMessage(data.error, false);
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}
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}, 'json'); // end $.post()
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return false;
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});
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// from jQuery UI
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$('#resizer').resizable({
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minHeight: 240,
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minWidth: 300
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})
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.width($('#div_view_options').width() - 50)
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.trigger('resizestop');
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currentSettings = {
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type: 'line',
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width: $('#resizer').width() - 20,
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height: $('#resizer').height() - 20,
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xaxisLabel: $('#xAxisLabelInput').val(),
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yaxisLabel: $('#yAxisLabelInput').val(),
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title: $('#chartTitleInput').val(),
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stackSeries: false,
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mainAxis: parseInt(($('#chartXAxisSelect').val() as string), 10),
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selectedSeries: getSelectedSeries(),
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seriesColumn: null
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};
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var vals = ($('input[name="dateTimeCols"]').val() as string).split(' ');
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$.each(vals, function (i, v) {
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dateTimeCols.push(parseInt(v, 10));
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});
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vals = ($('input[name="numericCols"]').val() as string).split(' ');
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$.each(vals, function (i, v) {
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numericCols.push(parseInt(v, 10));
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});
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onXAxisChange();
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onDataSeriesChange();
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$('#tblchartform').trigger('submit');
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});
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