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tbl_chart.js
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tbl_chart.js
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/* vim: set expandtab sw=4 ts=4 sts=4: */
var chart_xaxis_idx = -1;
var chart_series;
var chart_data;
var temp_chart_title;
var y_values_text;
$(function() {
var currentChart = null;
chart_series = $('select[name="chartSeries"]').val();
// If no series is selected null is returned.
// In such case nitialize chart_series to empty array.
if (chart_series == null) {
chart_series = new Array();
}
chart_xaxis_idx = $('select[name="chartXAxis"]').val();
y_values_text = $('input[name="yaxis_label"]').val();
$('#resizer').resizable({
minHeight:240,
minWidth:300,
// On resize, set the chart size to that of the
// resizer minus padding. If your chart has a lot of data or other
// content, the redrawing might be slow. In that case, we recommend
// that you use the 'stop' event instead of 'resize'.
resize: function() {
currentChart.setSize(
this.offsetWidth - 20,
this.offsetHeight - 20,
false
);
}
});
var currentSettings = {
chart: {
type: 'line',
width: $('#resizer').width() - 20,
height: $('#resizer').height() - 20
},
xAxis: {
title: { text: $('input[name="xaxis_label"]').val() }
},
yAxis: {
title: { text: $('input[name="yaxis_label"]').val() }
},
title: {
text: $('input[name="chartTitle"]').val(),
margin:20
},
plotOptions: {
series: {}
}
};
$('input[name="chartType"]').click(function() {
currentSettings.chart.type = $(this).val();
drawChart();
if ($(this).val() == 'bar' || $(this).val() == 'column') {
$('span.barStacked').show();
} else {
$('span.barStacked').hide();
}
});
$('input[name="barStacked"]').click(function() {
if (this.checked) {
$.extend(true, currentSettings, { plotOptions: { series: { stacking:'normal' } } });
} else {
$.extend(true, currentSettings, { plotOptions: { series: { stacking:null } } });
}
drawChart();
});
$('input[name="chartTitle"]').focus(function() {
temp_chart_title = $(this).val();
});
$('input[name="chartTitle"]').keyup(function() {
var title = $(this).val();
if (title.length == 0) {
title = ' ';
}
currentSettings.title.text = title;
currentChart.setTitle({ text: title });
});
$('input[name="chartTitle"]').blur(function() {
if ($(this).val() != temp_chart_title) {
drawChart(true);
}
});
$('select[name="chartXAxis"]').change(function() {
chart_xaxis_idx = $(this).val();
var xaxis_title = $(this).children('option:selected').text();
$('input[name="xaxis_label"]').val(xaxis_title);
currentSettings.xAxis.title.text = xaxis_title;
drawChart();
});
$('select[name="chartSeries"]').change(function() {
chart_series = $(this).val();
if (chart_series.length == 1) {
$('span.span_pie').show();
var yaxis_title = $(this).children('option:selected').text();
} else {
$('span.span_pie').hide();
if (currentSettings.chart.type == 'pie') {
$('input#radio_line').prop('checked', true);
currentSettings.chart.type = 'line';
}
var yaxis_title = y_values_text;
}
$('input[name="yaxis_label"]').val(yaxis_title);
currentSettings.yAxis.title.text = yaxis_title;
drawChart();
});
/* Sucks, we cannot just set axis labels, we have to redraw the chart completely */
$('input[name="xaxis_label"]').keyup(function() {
currentSettings.xAxis.title.text = $(this).val();
drawChart(true);
});
$('input[name="yaxis_label"]').keyup(function() {
currentSettings.yAxis.title.text = $(this).val();
drawChart(true);
});
function drawChart(noAnimation) {
currentSettings.chart.width = $('#resizer').width() - 20;
currentSettings.chart.height = $('#resizer').height() - 20;
if (currentChart != null) {
currentChart.destroy();
}
if (noAnimation) {
currentSettings.plotOptions.series.animation = false;
}
currentChart = PMA_queryChart(chart_data, currentSettings);
if (noAnimation) {
currentSettings.plotOptions.series.animation = true;
}
}
drawChart();
$('#querychart').show();
});
function in_array(element, array)
{
for (var i = 0, l = array.length; i < l; i++) {
if (array[i] == element) {
return true;
}
}
return false;
}
function isColumnNumeric(columnName)
{
var first = true;
var isNumeric = false;
$('select[name="chartSeries"] option').each(function() {
if ($(this).val() == columnName) {
isNumeric = true;
return false;
}
});
return isNumeric;
}
function PMA_queryChart(data, passedSettings)
{
if ($('#querychart').length == 0) {
return;
}
var columnNames = [];
var series = new Array();
var xaxis = {
type: 'linear',
categories: new Array()
};
var yaxis = new Object();
$.each(data[0], function(index, element) {
columnNames.push(index);
});
switch(passedSettings.chart.type) {
case 'column':
case 'spline':
case 'line':
case 'bar':
case 'pie':
var j = 0;
for (var i = 0; i < columnNames.length; i++) {
if (! isColumnNumeric(columnNames[i]) || $.inArray(columnNames[i], chart_series) == -1) {
continue;
}
series[j] = new Object();
series[j].data = new Array();
series[j].name = columnNames[i];
$.each(data, function(key, value) {
var floatVal;
if (value[columnNames[i]] != null) {
floatVal = parseFloat(value[columnNames[i]]);
} else {
floatVal = null;
}
series[j].data.push({
name: value[columnNames[chart_xaxis_idx]],
y: floatVal
});
if (j == 0 && ! xaxis.categories[value[columnNames[chart_xaxis_idx]]]) {
xaxis.categories.push(value[columnNames[chart_xaxis_idx]]);
}
});
j++;
}
break;
}
// Prevent the user from seeing the JSON code
$('div#profilingchart').html('').show();
var settings = {
chart: {
renderTo: 'querychart'
},
title: {
text: '',
margin: 0
},
series: series,
xAxis: xaxis,
yAxis: yaxis,
plotOptions: {
pie: {
allowPointSelect: true,
cursor: 'pointer',
dataLabels: {
enabled: true,
distance: 35,
formatter: function() {
return '<b>'+ this.point.name +'</b><br/>'+ Highcharts.numberFormat(this.percentage, 2) + ' %';
}
}
}
},
tooltip: {
formatter: function() {
if (this.point.name) {
return '<b>' + this.series.name + '</b><br/>' + this.point.name+'<br/>' + this.y;
}
return '<b>' + this.series.name+'</b><br/>'+this.y;
}
}
};
// Overwrite/Merge default settings with passedsettings
$.extend(true, settings, passedSettings);
return PMA_createChart(settings);
}