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       
(Showing Draft Content)

Range Groups

SpreadJS provides the ability to display the rows or columns grouped as an outline according to the headers. This creates a separate area beyond the headers that contains outlines for expanding or collapsing levels of rows or columns.


The Level Number button shows the number of levels at which the outline exists. The Level Number buttons or the expand or collapse icon can be used to expand or collapse the group.




The appearance of range groups can be modified by using different CSS classes. For more information, refer to Customize Range Groups.

Create Row or Column Group

The group method of the Outline class can be used to create a range group while the unGroup method can be used to remove the range group. The following image shows a row and column group.




Refer to the following example code to create a row and column group.

activeSheet.setRowCount(34);
// Set cell values
activeSheet.setValue(0,0,"Product");
activeSheet.setValue(0,1,"2019 in Sales");
activeSheet.setValue(0,2,"2020 in Sales");
activeSheet.setValue(1,0,"Mobiles");
activeSheet.setValue(1,1,"350,000");
activeSheet.setValue(1,2,"500,000");
activeSheet.setValue(2,0,"Laptops");
activeSheet.setValue(2,1,"200,000");
activeSheet.setValue(2,2,"400,000");
// Set row and column groups
activeSheet.rowOutlines.group(1,2);
activeSheet.columnOutlines.group(1,2);
//activeSheet.rowOutlines.expand(0,false);
//activeSheet.columnOutlines.expand(0,false);
spread.invalidateLayout();
spread.repaint();

Alternatively, you can specify the command outlineRow or outlineColumn and use the execute method to create row or column groups.

var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
var activeSheet = spread.getActiveSheet();
spread.commandManager().execute({cmd: "outlineRow", sheetName: activeSheet.name(), index: 4, count: 3}); // Specifying action and using execute method

Note: The outline column feature can also be used to create a tree-like structure in a spreadsheet for better organization of data. For more information, refer to Outline Columns.

Set Group Direction

You can specify the direction of the range group as forward or backward using the OutlineDirection enumeration in the direction option.

Forward Direction

Backward Direction



The following code sample shows how to set the direction of a row and column group.

activeSheet.rowOutlines.group(1,2);
activeSheet.columnOutlines.group(1,2);
activeSheet.rowOutlines.direction(GC.Spread.Sheets.Outlines.OutlineDirection.backward);
activeSheet.columnOutlines.direction(GC.Spread.Sheets.Outlines.OutlineDirection.forward);
spread.invalidateLayout();
spread.repaint();

Find and Collapse Groups

You can find and collapse or expand a group by using the OutlineState option.

activeSheet.rowOutlines.group(0,5);
var rgi = activeSheet.rowOutlines.find(1, 0);
rgi.state(GC.Spread.Sheets.Outlines.OutlineState.collapsed); // Find and collapse a group
spread.invalidateLayout();
spread.repaint();

Display Outlines in Sheet

You can specify whether to display the row and column outline using the showRowOutline and showColumnOutline methods. These methods return the boolean values to indicate whether the outline is displayed if no value is set.

// Set showRowOutline and showColumnOutline activeSheet.showRowOutline(true);
activeSheet.rowOutlines.group(0, 2);
activeSheet.showColumnOutline(true);
activeSheet.columnOutlines.group(0, 2);
//activeSheet.rowOutlines.ungroup(0, 2);
//activeSheet.columnOutlines.ungroup(0, 2);
spread.invalidateLayout();
spread.repaint();