game/pma12111211/js/tbl_chart.js

326 lines
10 KiB
JavaScript

/* vim: set expandtab sw=4 ts=4 sts=4: */
var chart_data = {};
var temp_chart_title;
var currentChart = null;
var currentSettings = null;
function extractDate(dateString) {
var matches, 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), match.substr(5, 2), 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), match.substr(5, 2), match.substr(8, 2));
}
}
return null;
}
function PMA_queryChart(data, columnNames, settings) {
if ($('#querychart').length === 0) {
return;
}
var jqPlotSettings = {
title : {
text : settings.title,
escapeHtml: true
},
grid : {
drawBorder : false,
shadow : false,
background : 'rgba(0,0,0,0)'
},
legend : {
show : true,
placement : 'outsideGrid',
location : 'e'
},
axes : {
xaxis : {
label : escapeHtml(settings.xaxisLabel)
},
yaxis : {
label : settings.yaxisLabel
}
},
stackSeries : settings.stackSeries,
highlighter: {
show: true,
showTooltip: true,
tooltipAxes: 'xy'
}
};
// 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 {
dataTable.addColumn(ColumnType.STRING, columnNames[settings.mainAxis]);
}
$.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 values = [], newRow, row, col;
for (var 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 { // 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);
// draw the chart and return the chart object
chart.draw(dataTable, jqPlotSettings);
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 = [];
$('select[name="chartXAxis"] option').each(function () {
columnNames.push($(this).text());
});
try {
currentChart = PMA_queryChart(chart_data, columnNames, currentSettings);
} catch (err) {
PMA_ajaxShowMessage(err.message, false);
}
}
function getSelectedSeries() {
var val = $('select[name="chartSeries"]').val() || [];
var ret = [];
$.each(val, function (i, v) {
ret.push(parseInt(v, 10));
});
return ret;
}
/**
* Unbind all event handlers before tearing down a page
*/
AJAX.registerTeardown('tbl_chart.js', function () {
$('input[name="chartType"]').unbind('click');
$('input[name="barStacked"]').unbind('click');
$('input[name="chartTitle"]').unbind('focus').unbind('keyup').unbind('blur');
$('select[name="chartXAxis"]').unbind('change');
$('select[name="chartSeries"]').unbind('change');
$('input[name="xaxis_label"]').unbind('keyup');
$('input[name="yaxis_label"]').unbind('keyup');
$('#resizer').unbind('resizestop');
});
AJAX.registerOnload('tbl_chart.js', function () {
// from jQuery UI
$('#resizer').resizable({
minHeight: 240,
minWidth: 300
})
.width($('#div_view_options').width() - 50);
$('#resizer').bind('resizestop', function (event, ui) {
// make room so that the handle will still appear
$('#querychart').height($('#resizer').height() * 0.96);
$('#querychart').width($('#resizer').width() * 0.96);
currentChart.redraw({
resetAxes : true
});
});
currentSettings = {
type : 'line',
width : $('#resizer').width() - 20,
height : $('#resizer').height() - 20,
xaxisLabel : $('input[name="xaxis_label"]').val(),
yaxisLabel : $('input[name="yaxis_label"]').val(),
title : $('input[name="chartTitle"]').val(),
stackSeries : false,
mainAxis : parseInt($('select[name="chartXAxis"]').val(), 10),
selectedSeries : getSelectedSeries()
};
// handle chart type changes
$('input[name="chartType"]').click(function () {
currentSettings.type = $(this).val();
drawChart();
if ($(this).val() == 'bar' || $(this).val() == 'column' ||
$(this).val() == 'line' || $(this).val() == 'area' ||
$(this).val() == 'timeline' || $(this).val() == 'spline'
) {
$('span.barStacked').show();
} else {
$('span.barStacked').hide();
}
});
// handle stacking for bar, column and area charts
$('input[name="barStacked"]').click(function () {
if (this.checked) {
$.extend(true, currentSettings, {stackSeries : true});
} else {
$.extend(true, currentSettings, {stackSeries : false});
}
drawChart();
});
// handle changes in chart title
$('input[name="chartTitle"]').focus(function () {
temp_chart_title = $(this).val();
}).keyup(function () {
var title = $(this).val();
if (title.length === 0) {
title = ' ';
}
currentSettings.title = $('input[name="chartTitle"]').val();
drawChart();
}).blur(function () {
if ($(this).val() != temp_chart_title) {
drawChart();
}
});
var dateTimeCols = [];
var vals = $('input[name="dateTimeCols"]').val().split(' ');
$.each(vals, function (i, v) {
dateTimeCols.push(parseInt(v, 10));
});
// handle changing the x-axis
$('select[name="chartXAxis"]').change(function () {
currentSettings.mainAxis = parseInt($(this).val(), 10);
if (dateTimeCols.indexOf(currentSettings.mainAxis) != -1) {
$('span.span_timeline').show();
} else {
$('span.span_timeline').hide();
if (currentSettings.type == 'timeline') {
$('input#radio_line').prop('checked', true);
currentSettings.type = 'line';
}
}
var xaxis_title = $(this).children('option:selected').text();
$('input[name="xaxis_label"]').val(xaxis_title);
currentSettings.xaxisLabel = xaxis_title;
drawChart();
});
// handle changing the selected data series
$('select[name="chartSeries"]').change(function () {
currentSettings.selectedSeries = getSelectedSeries();
var yaxis_title;
if (currentSettings.selectedSeries.length == 1) {
$('span.span_pie').show();
yaxis_title = $(this).children('option:selected').text();
} else {
$('span.span_pie').hide();
if (currentSettings.type == 'pie') {
$('input#radio_line').prop('checked', true);
currentSettings.type = 'line';
}
yaxis_title = PMA_messages.strYValues;
}
$('input[name="yaxis_label"]').val(yaxis_title);
currentSettings.yaxisLabel = yaxis_title;
drawChart();
});
// handle manual changes to the chart axis labels
$('input[name="xaxis_label"]').keyup(function () {
currentSettings.xaxisLabel = $(this).val();
drawChart();
});
$('input[name="yaxis_label"]').keyup(function () {
currentSettings.yaxisLabel = $(this).val();
drawChart();
});
$("#tblchartform").submit();
});
/**
* Ajax Event handler for 'Go' button click
*
*/
$("#tblchartform").live('submit', function (event) {
if (!checkFormElementInRange(this, 'session_max_rows', PMA_messages.strNotValidRowNumber, 1) ||
!checkFormElementInRange(this, 'pos', PMA_messages.strNotValidRowNumber, 0 - 1)
) {
return false;
}
var $form = $(this);
if (codemirror_editor) {
$form[0].elements['sql_query'].value = codemirror_editor.getValue();
}
if (!checkSqlQuery($form[0])) {
return false;
}
// remove any div containing a previous error message
$('.error').remove();
var $msgbox = PMA_ajaxShowMessage();
PMA_prepareForAjaxRequest($form);
$.post($form.attr('action'), $form.serialize(), function (data) {
if (data.success === true) {
$('.success').fadeOut();
if (typeof data.chartData != 'undefined') {
chart_data = jQuery.parseJSON(data.chartData);
drawChart();
$('div#querychart').height($('div#resizer').height() * 0.96);
$('div#querychart').width($('div#resizer').width() * 0.96);
currentChart.redraw({
resetAxes : true
});
$('#querychart').show();
}
} else {
PMA_ajaxRemoveMessage($msgbox);
PMA_ajaxShowMessage(data.error, false);
chart_data = null;
drawChart();
}
PMA_ajaxRemoveMessage($msgbox);
}, "json"); // end $.post()
return false;
}); // end