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       
(Showing Draft Content)

Column, Line, and Winloss Sparklines with Methods

You can create column, line, and winloss sparklines in SpreadJS using the setSparkline method. It accepts different parameters such as the location of the cell, sparkline type, sparkline settings, and the type of data range.


Two types of data ranges can be used to create a column, line, and winloss sparkline using methods - continuous and non-continuous cell ranges.

Sparklines with Continuous Ranges

The setSparkline method accepts the dataRange parameter where you can provide data ranges. For example, A1:B10, D12:E20.


The following image shows the unit sales of a car parts company throughout a fortnight. The data is supported visually by the column, line, and winloss sparklines.



spread = new GC.Spread.Sheets.Workbook(document.getElementById('ss'), { sheetCount: 1 });
var activeSheet = spread.getActiveSheet();

// set data
activeSheet.addSpan(0, 0, 1, 5);
activeSheet.getCell(0, 0, GC.Spread.Sheets.SheetArea.viewport).value("Fortnightly sales analysis").font("20px Arial").hAlign(GC.Spread.Sheets.HorizontalAlign.center).vAlign(GC.Spread.Sheets.VerticalAlign.center);
var table1 = activeSheet.tables.add("table1", 1, 0, 16, 5, GC.Spread.Sheets.Tables.TableThemes.medium3);
table1.filterButtonVisible(false);
activeSheet.setValue(1, 0, "Dates");
activeSheet.setValue(1, 1, "Sales($)");
activeSheet.setValue(1, 2, "Diagram 1");
activeSheet.setValue(1, 3, "Diagram 2");
activeSheet.setValue(1, 4, "Diagram 3");
activeSheet.getRange("A2:E2").hAlign(GC.Spread.Sheets.HorizontalAlign.center);

// set date
var now = new Date();
var daysOfYear = [];
for (var d = new Date(2021, 0, -1); d <= now; d.setDate(d.getDate() + 1)) {
    daysOfYear.push(new Date(d));
}
for (var i = 2; i < 17; i++) {
    activeSheet.setValue(i, 0, daysOfYear[i]);
}

// set values
activeSheet.getRange(-1, 0, -1, 1).formatter("dddd dd/mm/yyyy");
activeSheet.setValue(2, 1, 102800);
activeSheet.setValue(3, 1, 920234);
activeSheet.setValue(4, 1, 450235);
activeSheet.setValue(5, 1, 100786);
activeSheet.setValue(6, 1, 30594);
activeSheet.setValue(7, 1, 104355);
activeSheet.setValue(8, 1, 255476);
activeSheet.setValue(9, 1, 60345);
activeSheet.setValue(10, 1, 503453);
activeSheet.setValue(11, 1, 906843);
activeSheet.setValue(12, 1, 800399);
activeSheet.setValue(13, 1, 880824);
activeSheet.setValue(14, 1, 403895);
activeSheet.setValue(15, 1, 345802);
activeSheet.setValue(16, 1, 619000);

var data = new GC.Spread.Sheets.Range(2, 1, 15, 1);

// add setting for sparkline to be created
var setting = new GC.Spread.Sheets.Sparklines.SparklineSetting();
setting.options.showMarkers = true;
setting.options.lineWeight = 3;
setting.options.displayXAxis = true;
setting.options.showFirst = true;
setting.options.showLast = true;
setting.options.showLow = true;
setting.options.showHigh = true;
setting.options.showNegative = true;
setting.options.seriesColor = "Text 2 1";
setting.options.firstMarkerColor = "Text 2 3";
setting.options.negativeColor = "Accent 2 1";
setting.options.markersColor = "Accent 3 1";
setting.options.lowMarkerColor = "Accent 4 1";
setting.options.highMarkerColor = "Accent 6 1";
setting.options.lastMarkerColor = "Accent 6 6";
setting.options.axisColor = "Text 1 1";

// LINESPARKLINE
activeSheet.setSparkline(2, 2, data
    , GC.Spread.Sheets.Sparklines.DataOrientation.vertical
    , GC.Spread.Sheets.Sparklines.SparklineType.line
    , setting
    , GC.Spread.Sheets.Sparklines.DataOrientation.vertical
);
// COLUMNSPARKLINE
activeSheet.setSparkline(2, 3, data
    , GC.Spread.Sheets.Sparklines.DataOrientation.vertical
    , GC.Spread.Sheets.Sparklines.SparklineType.column
    , setting
    , GC.Spread.Sheets.Sparklines.DataOrientation.vertical
);
// WINLOSSSPARKLINE
activeSheet.setSparkline(2, 4, data
    , GC.Spread.Sheets.Sparklines.DataOrientation.vertical
    , GC.Spread.Sheets.Sparklines.SparklineType.winloss
    , setting
    , GC.Spread.Sheets.Sparklines.DataOrientation.vertical
);

Sparklines with Non-Continuous Ranges

You can provide non-continuous data ranges to create a sparkline where random values from a worksheet can be added to a new user-defined custom name. This custom name can be passed in the setSparkline dataRange parameter.


For example, data cells like B4, B5, B11, and B12 can be added to a custom name “range” to create a non-continuous range.

// Create a non continuous range
spread.addCustomName("range", "=Sheet1!$B$4,Sheet1!$B$5,Sheet1!$B$11,Sheet1!$B$12", 0, 0, "non-continuous range");

The following image shows the unit sales of a car parts company where specific cell values such as the weekends (Saturdays and Sundays) are chosen from a period of the fortnight to create visually supporting sparklines.