jQWidgets jqxChart toolTipFormatFunction Property
jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful and optimized framework, platform-independent, and widely supported. jqxChart is a lightweight and powerful chart widget written 100% in javascript. It offers many advanced features and supports three different rendering technologies – SVG, HTML5 Canvas & VML. In this article, we will see the toolTipFormatFunction Property in jQWidgets jqxChart.
The toolTipFormatFunction property is a callback function that is used to display the user-defined tooltip text formatting. It is of type function and its default value is undefined.
Syntax:
seriesGroups: [{ type: 'rangecolumn', columnsGapPercent: 30, seriesGapPercent: 0, toolTipFormatFunction: toolTipCustomFormatFn, series: [ { dataFieldFrom: 'f1', dataFieldTo: 't1'}, { dataFieldFrom: 'f2', dataFieldTo: 't2'}, ] }];
Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.
<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery-1.11.1.min.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxchart.core.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdraw.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
Example 1: The below example illustrates the jQWidgets jqxChart toolTipFormatFunction property.
HTML
<!DOCTYPE html> < html lang = "en" > < head > < link rel = "stylesheet" href = "jqwidgets/styles/jqx.base.css" type = "text/css" /> < script type = "text/javascript" src = "scripts/jquery-1.11.1.min.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxcore.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxchart.core.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxdraw.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxdata.js" > </ script > </ head > < body > < center > < h1 style = "color: green" > w3wiki </ h1 > < h3 > jQWidgets jqxChart toolTipFormatFunction property </ h3 > < div id = 'gfg1' style="width:400px; height: 200px" /> </ center > < script type = "text/javascript" > $(document).ready(function () { var data = [ { Day: 'Monday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Tuesday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Wednesday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Thursday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Friday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Saturday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Sunday', f1: 3, t1: 1, f2: 2, t2: 1 } ]; var toolTipFormatFn = function (val,iIndex,s,grp,cValue) { var dItem = data[iIndex]; return '< DIV style = "text-align:left" >< b >Day: ' + cValue + '</ b >< br />Begin: ' + val.from + '< br />End: ' + val.to; }; var obj = { title: "Coding Score", description: "Coding Questions Solved Daily", enableAnimations: true, showLegend: true, source: data, categoryAxis: { dataField: 'Day', showGridLines: true }, seriesGroups: [{ type: 'rangecolumn', columnsGapPercent: 30, seriesGapPercent: 0, toolTipFormatFunction: toolTipFormatFn, series: [ { dataFieldFrom: 'f1', dataFieldTo: 't1' }, { dataFieldFrom: 'f2', dataFieldTo: 't2' }, ] }] }; $('#gfg1').jqxChart(obj); }); </ script > </ body > </ html > |
Output:
Example 2: The following is another example of the jqxChart toolTipFormatFunction property in jQWidgets.
HTML
<!DOCTYPE html> < html lang = "en" > < head > < link rel = "stylesheet" href = "jqwidgets/styles/jqx.base.css" type = "text/css" /> < script type = "text/javascript" src = "scripts/jquery-1.11.1.min.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxcore.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxchart.core.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxdraw.js" > </ script > < script type = "text/javascript" src = "jqwidgets/jqxdata.js" > </ script > </ head > < body > < center > < h1 style = "color: green" > w3wiki </ h1 > < h3 > jQWidgets jqxChart toolTipFormatFunction property </ h3 > < div id = 'gfg1' style="width:400px; height: 200px" /> </ center > < center > < input type = "button" id = "btn" value = "Click Here" style="padding: 5px 14px; margin-top: 15px;"> < br > < div id = "log" ></ div > </ center > < script type = "text/javascript" > $(document).ready(function () { var data = [ { Day: 'Monday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Tuesday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Wednesday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Thursday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Friday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Saturday', f1: 3, t1: 1, f2: 2, t2: 1 }, { Day: 'Sunday', f1: 3, t1: 1, f2: 2, t2: 1 } ]; var toolTipFormatFn = function (val, iIndex, s, grp, cValue) { var dItem = data[iIndex]; return '< DIV style = "text-align:left" >< b >Day: ' + cValue + '</ b >< br />Begin: ' + val.from + '< br />End: ' + val.to; }; var obj = { title: "Coding Score", description: "Coding Questions Solved Daily", enableAnimations: true, showLegend: true, source: data, categoryAxis: { dataField: 'Day', showGridLines: true }, seriesGroups: [{ type: 'rangecolumn', columnsGapPercent: 30, seriesGapPercent: 0, toolTipFormatFunction: toolTipFormatFn, series: [ { dataFieldFrom: 'f1', dataFieldTo: 't1' }, { dataFieldFrom: 'f2', dataFieldTo: 't2' }, ] }] }; $('#gfg1').jqxChart(obj); $('#btn').click(function () { var ttff = $('#gfg1').jqxChart('toolTipFormatFunction'); if (ttff === null) { $('#log').text("Null!"); } else { $('#log').text("Not null!"); } }); }); </ script > </ body > </ html > |
Output:
Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxchart/jquery-chart-api.htm?search=
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