403 lines
12 KiB
JavaScript
403 lines
12 KiB
JavaScript
/* global ColumnType, DataTable, JQPlotChartFactory */ // js/chart.js
|
|
/* global codeMirrorEditor */ // js/functions.js
|
|
|
|
var chartData = {};
|
|
var tempChartTitle;
|
|
var currentChart = null;
|
|
var currentSettings = null;
|
|
var dateTimeCols = [];
|
|
var numericCols = [];
|
|
function extractDate(dateString) {
|
|
var matches;
|
|
var match;
|
|
var dateTimeRegExp = /[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2}/;
|
|
var dateRegExp = /[0-9]{4}-[0-9]{2}-[0-9]{2}/;
|
|
matches = dateTimeRegExp.exec(dateString);
|
|
if (matches !== null && matches.length > 0) {
|
|
match = matches[0];
|
|
return new Date(match.substr(0, 4), parseInt(match.substr(5, 2), 10) - 1, match.substr(8, 2), match.substr(11, 2), match.substr(14, 2), match.substr(17, 2));
|
|
} else {
|
|
matches = dateRegExp.exec(dateString);
|
|
if (matches !== null && matches.length > 0) {
|
|
match = matches[0];
|
|
return new Date(match.substr(0, 4), parseInt(match.substr(5, 2), 10) - 1, match.substr(8, 2));
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
function queryChart(data, columnNames, settings) {
|
|
if ($('#querychart').length === 0) {
|
|
return;
|
|
}
|
|
var plotSettings = {
|
|
title: {
|
|
text: settings.title,
|
|
escapeHtml: true
|
|
},
|
|
grid: {
|
|
drawBorder: false,
|
|
shadow: false,
|
|
background: 'rgba(0,0,0,0)'
|
|
},
|
|
legend: {
|
|
show: true,
|
|
placement: 'outsideGrid',
|
|
location: 'e',
|
|
rendererOptions: {
|
|
numberColumns: 2
|
|
}
|
|
},
|
|
axes: {
|
|
xaxis: {
|
|
label: Functions.escapeHtml(settings.xaxisLabel)
|
|
},
|
|
yaxis: {
|
|
label: settings.yaxisLabel
|
|
}
|
|
},
|
|
stackSeries: settings.stackSeries
|
|
};
|
|
|
|
// create the chart
|
|
var factory = new JQPlotChartFactory();
|
|
var chart = factory.createChart(settings.type, 'querychart');
|
|
|
|
// create the data table and add columns
|
|
var dataTable = new DataTable();
|
|
if (settings.type === 'timeline') {
|
|
dataTable.addColumn(ColumnType.DATE, columnNames[settings.mainAxis]);
|
|
} else if (settings.type === 'scatter') {
|
|
dataTable.addColumn(ColumnType.NUMBER, columnNames[settings.mainAxis]);
|
|
} else {
|
|
dataTable.addColumn(ColumnType.STRING, columnNames[settings.mainAxis]);
|
|
}
|
|
var i;
|
|
var values = [];
|
|
if (settings.seriesColumn === null) {
|
|
$.each(settings.selectedSeries, function (index, element) {
|
|
dataTable.addColumn(ColumnType.NUMBER, columnNames[element]);
|
|
});
|
|
|
|
// set data to the data table
|
|
var columnsToExtract = [settings.mainAxis];
|
|
$.each(settings.selectedSeries, function (index, element) {
|
|
columnsToExtract.push(element);
|
|
});
|
|
var newRow;
|
|
var row;
|
|
var col;
|
|
for (i = 0; i < data.length; i++) {
|
|
row = data[i];
|
|
newRow = [];
|
|
for (var j = 0; j < columnsToExtract.length; j++) {
|
|
col = columnNames[columnsToExtract[j]];
|
|
if (j === 0) {
|
|
if (settings.type === 'timeline') {
|
|
// first column is date type
|
|
newRow.push(extractDate(row[col]));
|
|
} else if (settings.type === 'scatter') {
|
|
newRow.push(parseFloat(row[col]));
|
|
} else {
|
|
// first column is string type
|
|
newRow.push(row[col]);
|
|
}
|
|
} else {
|
|
// subsequent columns are of type, number
|
|
newRow.push(parseFloat(row[col]));
|
|
}
|
|
}
|
|
values.push(newRow);
|
|
}
|
|
dataTable.setData(values);
|
|
} else {
|
|
var seriesNames = {};
|
|
var seriesNumber = 1;
|
|
var seriesColumnName = columnNames[settings.seriesColumn];
|
|
for (i = 0; i < data.length; i++) {
|
|
if (!seriesNames[data[i][seriesColumnName]]) {
|
|
seriesNames[data[i][seriesColumnName]] = seriesNumber;
|
|
seriesNumber++;
|
|
}
|
|
}
|
|
$.each(seriesNames, function (seriesName) {
|
|
dataTable.addColumn(ColumnType.NUMBER, seriesName);
|
|
});
|
|
var valueMap = {};
|
|
var xValue;
|
|
var value;
|
|
var mainAxisName = columnNames[settings.mainAxis];
|
|
var valueColumnName = columnNames[settings.valueColumn];
|
|
for (i = 0; i < data.length; i++) {
|
|
xValue = data[i][mainAxisName];
|
|
value = valueMap[xValue];
|
|
if (!value) {
|
|
value = [xValue];
|
|
valueMap[xValue] = value;
|
|
}
|
|
seriesNumber = seriesNames[data[i][seriesColumnName]];
|
|
value[seriesNumber] = parseFloat(data[i][valueColumnName]);
|
|
}
|
|
$.each(valueMap, function (index, value) {
|
|
values.push(value);
|
|
});
|
|
dataTable.setData(values);
|
|
}
|
|
|
|
// draw the chart and return the chart object
|
|
chart.draw(dataTable, plotSettings);
|
|
return chart;
|
|
}
|
|
function drawChart() {
|
|
currentSettings.width = $('#resizer').width() - 20;
|
|
currentSettings.height = $('#resizer').height() - 20;
|
|
|
|
// TODO: a better way using .redraw() ?
|
|
if (currentChart !== null) {
|
|
currentChart.destroy();
|
|
}
|
|
var columnNames = [];
|
|
$('#chartXAxisSelect option').each(function () {
|
|
columnNames.push(Functions.escapeHtml($(this).text()));
|
|
});
|
|
try {
|
|
currentChart = queryChart(chartData, columnNames, currentSettings);
|
|
if (currentChart !== null) {
|
|
$('#saveChart').attr('href', currentChart.toImageString());
|
|
}
|
|
} catch (err) {
|
|
Functions.ajaxShowMessage(err.message, false);
|
|
}
|
|
}
|
|
function getSelectedSeries() {
|
|
var val = $('#chartSeriesSelect').val() || [];
|
|
var ret = [];
|
|
$.each(val, function (i, v) {
|
|
ret.push(parseInt(v, 10));
|
|
});
|
|
return ret;
|
|
}
|
|
function onXAxisChange() {
|
|
var $xAxisSelect = $('#chartXAxisSelect');
|
|
currentSettings.mainAxis = parseInt($xAxisSelect.val(), 10);
|
|
if (dateTimeCols.indexOf(currentSettings.mainAxis) !== -1) {
|
|
document.getElementById('timelineChartType').classList.remove('d-none');
|
|
} else {
|
|
document.getElementById('timelineChartType').classList.add('d-none');
|
|
if (currentSettings.type === 'timeline') {
|
|
$('#lineChartTypeRadio').prop('checked', true);
|
|
currentSettings.type = 'line';
|
|
}
|
|
}
|
|
if (numericCols.indexOf(currentSettings.mainAxis) !== -1) {
|
|
document.getElementById('scatterChartType').classList.remove('d-none');
|
|
} else {
|
|
document.getElementById('scatterChartType').classList.add('d-none');
|
|
if (currentSettings.type === 'scatter') {
|
|
$('#lineChartTypeRadio').prop('checked', true);
|
|
currentSettings.type = 'line';
|
|
}
|
|
}
|
|
var xAxisTitle = $xAxisSelect.children('option:selected').text();
|
|
$('#xAxisLabelInput').val(xAxisTitle);
|
|
currentSettings.xaxisLabel = xAxisTitle;
|
|
}
|
|
function onDataSeriesChange() {
|
|
var $seriesSelect = $('#chartSeriesSelect');
|
|
currentSettings.selectedSeries = getSelectedSeries();
|
|
var yAxisTitle;
|
|
if (currentSettings.selectedSeries.length === 1) {
|
|
document.getElementById('pieChartType').classList.remove('d-none');
|
|
yAxisTitle = $seriesSelect.children('option:selected').text();
|
|
} else {
|
|
document.getElementById('pieChartType').classList.add('d-none');
|
|
if (currentSettings.type === 'pie') {
|
|
$('#lineChartTypeRadio').prop('checked', true);
|
|
currentSettings.type = 'line';
|
|
}
|
|
yAxisTitle = Messages.strYValues;
|
|
}
|
|
$('#yAxisLabelInput').val(yAxisTitle);
|
|
currentSettings.yaxisLabel = yAxisTitle;
|
|
}
|
|
|
|
/**
|
|
* Unbind all event handlers before tearing down a page
|
|
*/
|
|
AJAX.registerTeardown('table/chart.js', function () {
|
|
$('input[name="chartType"]').off('click');
|
|
$('#barStackedCheckbox').off('click');
|
|
$('#seriesColumnCheckbox').off('click');
|
|
$('#chartTitleInput').off('focus').off('keyup').off('blur');
|
|
$('#chartXAxisSelect').off('change');
|
|
$('#chartSeriesSelect').off('change');
|
|
$('#chartSeriesColumnSelect').off('change');
|
|
$('#chartValueColumnSelect').off('change');
|
|
$('#xAxisLabelInput').off('keyup');
|
|
$('#yAxisLabelInput').off('keyup');
|
|
$('#resizer').off('resizestop');
|
|
$('#tblchartform').off('submit');
|
|
});
|
|
AJAX.registerOnload('table/chart.js', function () {
|
|
// handle manual resize
|
|
$('#resizer').on('resizestop', function () {
|
|
// make room so that the handle will still appear
|
|
$('#querychart').height($('#resizer').height() * 0.96);
|
|
$('#querychart').width($('#resizer').width() * 0.96);
|
|
if (currentChart !== null) {
|
|
currentChart.redraw({
|
|
resetAxes: true
|
|
});
|
|
}
|
|
});
|
|
|
|
// handle chart type changes
|
|
$('input[name="chartType"]').on('click', function () {
|
|
var type = currentSettings.type = $(this).val();
|
|
if (type === 'bar' || type === 'column' || type === 'area') {
|
|
document.getElementById('barStacked').classList.remove('d-none');
|
|
} else {
|
|
$('#barStackedCheckbox').prop('checked', false);
|
|
$.extend(true, currentSettings, {
|
|
stackSeries: false
|
|
});
|
|
document.getElementById('barStacked').classList.add('d-none');
|
|
}
|
|
drawChart();
|
|
});
|
|
|
|
// handle chosing alternative data format
|
|
$('#seriesColumnCheckbox').on('click', function () {
|
|
var $seriesColumn = $('#chartSeriesColumnSelect');
|
|
var $valueColumn = $('#chartValueColumnSelect');
|
|
var $chartSeries = $('#chartSeriesSelect');
|
|
if ($(this).is(':checked')) {
|
|
$seriesColumn.prop('disabled', false);
|
|
$valueColumn.prop('disabled', false);
|
|
$chartSeries.prop('disabled', true);
|
|
currentSettings.seriesColumn = parseInt($seriesColumn.val(), 10);
|
|
currentSettings.valueColumn = parseInt($valueColumn.val(), 10);
|
|
} else {
|
|
$seriesColumn.prop('disabled', true);
|
|
$valueColumn.prop('disabled', true);
|
|
$chartSeries.prop('disabled', false);
|
|
currentSettings.seriesColumn = null;
|
|
currentSettings.valueColumn = null;
|
|
}
|
|
drawChart();
|
|
});
|
|
|
|
// handle stacking for bar, column and area charts
|
|
$('#barStackedCheckbox').on('click', function () {
|
|
if ($(this).is(':checked')) {
|
|
$.extend(true, currentSettings, {
|
|
stackSeries: true
|
|
});
|
|
} else {
|
|
$.extend(true, currentSettings, {
|
|
stackSeries: false
|
|
});
|
|
}
|
|
drawChart();
|
|
});
|
|
|
|
// handle changes in chart title
|
|
$('#chartTitleInput').on('focus', function () {
|
|
tempChartTitle = $(this).val();
|
|
}).on('keyup', function () {
|
|
currentSettings.title = $('#chartTitleInput').val();
|
|
drawChart();
|
|
}).on('blur', function () {
|
|
if ($(this).val() !== tempChartTitle) {
|
|
drawChart();
|
|
}
|
|
});
|
|
|
|
// handle changing the x-axis
|
|
$('#chartXAxisSelect').on('change', function () {
|
|
onXAxisChange();
|
|
drawChart();
|
|
});
|
|
|
|
// handle changing the selected data series
|
|
$('#chartSeriesSelect').on('change', function () {
|
|
onDataSeriesChange();
|
|
drawChart();
|
|
});
|
|
|
|
// handle changing the series column
|
|
$('#chartSeriesColumnSelect').on('change', function () {
|
|
currentSettings.seriesColumn = parseInt($(this).val(), 10);
|
|
drawChart();
|
|
});
|
|
|
|
// handle changing the value column
|
|
$('#chartValueColumnSelect').on('change', function () {
|
|
currentSettings.valueColumn = parseInt($(this).val(), 10);
|
|
drawChart();
|
|
});
|
|
|
|
// handle manual changes to the chart x-axis labels
|
|
$('#xAxisLabelInput').on('keyup', function () {
|
|
currentSettings.xaxisLabel = $(this).val();
|
|
drawChart();
|
|
});
|
|
|
|
// handle manual changes to the chart y-axis labels
|
|
$('#yAxisLabelInput').on('keyup', function () {
|
|
currentSettings.yaxisLabel = $(this).val();
|
|
drawChart();
|
|
});
|
|
|
|
// handler for ajax form submission
|
|
$('#tblchartform').on('submit', function () {
|
|
var $form = $(this);
|
|
if (codeMirrorEditor) {
|
|
$form[0].elements.sql_query.value = codeMirrorEditor.getValue();
|
|
}
|
|
if (!Functions.checkSqlQuery($form[0])) {
|
|
return false;
|
|
}
|
|
var $msgbox = Functions.ajaxShowMessage();
|
|
Functions.prepareForAjaxRequest($form);
|
|
$.post($form.attr('action'), $form.serialize(), function (data) {
|
|
if (typeof data !== 'undefined' && data.success === true && typeof data.chartData !== 'undefined') {
|
|
chartData = JSON.parse(data.chartData);
|
|
drawChart();
|
|
Functions.ajaxRemoveMessage($msgbox);
|
|
} else {
|
|
Functions.ajaxShowMessage(data.error, false);
|
|
}
|
|
}, 'json'); // end $.post()
|
|
|
|
return false;
|
|
});
|
|
|
|
// from jQuery UI
|
|
$('#resizer').resizable({
|
|
minHeight: 240,
|
|
minWidth: 300
|
|
}).width($('#div_view_options').width() - 50).trigger('resizestop');
|
|
currentSettings = {
|
|
type: 'line',
|
|
width: $('#resizer').width() - 20,
|
|
height: $('#resizer').height() - 20,
|
|
xaxisLabel: $('#xAxisLabelInput').val(),
|
|
yaxisLabel: $('#yAxisLabelInput').val(),
|
|
title: $('#chartTitleInput').val(),
|
|
stackSeries: false,
|
|
mainAxis: parseInt($('#chartXAxisSelect').val(), 10),
|
|
selectedSeries: getSelectedSeries(),
|
|
seriesColumn: null
|
|
};
|
|
var vals = $('input[name="dateTimeCols"]').val().split(' ');
|
|
$.each(vals, function (i, v) {
|
|
dateTimeCols.push(parseInt(v, 10));
|
|
});
|
|
vals = $('input[name="numericCols"]').val().split(' ');
|
|
$.each(vals, function (i, v) {
|
|
numericCols.push(parseInt(v, 10));
|
|
});
|
|
onXAxisChange();
|
|
onDataSeriesChange();
|
|
$('#tblchartform').trigger('submit');
|
|
}); |