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# ColumnSorting

# Description

This plugin sorts the view by columns (but does not sort the data source!). To enable the plugin, set the Options#columnSorting property to the correct value (see the examples below).

Example

// as boolean
columnSorting: true

// as an object with initial sort config (sort ascending for column at index 1)
columnSorting: {
  initialConfig: {
    column: 1,
    sortOrder: 'asc'
  }
}

// as an object which define specific sorting options for all columns
columnSorting: {
  sortEmptyCells: true, // true = the table sorts empty cells, false = the table moves all empty cells to the end of the table (by default)
  indicator: true, // true = shows indicator for all columns (by default), false = don't show indicator for columns
  headerAction: true, // true = allow to click on the headers to sort (by default), false = turn off possibility to click on the headers to sort
  compareFunctionFactory: function(sortOrder, columnMeta) {
    return function(value, nextValue) {
      // Some value comparisons which will return -1, 0 or 1...
    }
  }
}

// as an object passed to the `column` property, allows specifying a custom options for the desired column.
// please take a look at documentation of `column` property: https://handsontable.com/docs/api/options/#columns
columns: [{
  columnSorting: {
    indicator: false, // disable indicator for the first column,
    sortEmptyCells: true,
    headerAction: false, // clicks on the first column won't sort
    compareFunctionFactory: function(sortOrder, columnMeta) {
      return function(value, nextValue) {
        return 0; // Custom compare function for the first column (don't sort)
      }
    }
  }
}]

# Options

# columnSorting

Source code (opens new window)

columnSorting.columnSorting : boolean | object

Turns on Column sorting. Can be either a boolean (true / false) or an object with a declared sorting options:

  • initialConfig - Object with predefined keys:
    • column - sorted column
    • sortOrder - order in which column will be sorted
      • 'asc' = ascending
      • 'desc' = descending
  • indicator - display status for sorting order indicator (an arrow icon in the column header, specifying the sorting order).
    • true = show sort indicator for sorted columns
    • false = don't show sort indicator for sorted columns
  • headerAction - allow to click on the headers to sort
    • true = turn on possibility to click on the headers to sort
    • false = turn off possibility to click on the headers to sort
  • sortEmptyCells - how empty values (more information here) should be handled
    • true = the table sorts empty cells
    • false = the table moves all empty cells to the end of the table
  • compareFunctionFactory - curry function returning compare function; compare function should work in the same way as function which is handled by native Array.sort method); please take a look at below examples for more information.

Default: undefined Example

// as boolean
columnSorting: true

// as an object with initial sort config (sort ascending for column at index 1)
columnSorting: {
  initialConfig: {
    column: 1,
    sortOrder: 'asc'
  }
}

// as an object which define specific sorting options for all columns
columnSorting: {
  sortEmptyCells: true, // true = the table sorts empty cells, false = the table moves all empty cells to the end of the table
  indicator: true, // true = shows indicator for all columns, false = don't show indicator for columns
  headerAction: false, // true = allow to click on the headers to sort, false = turn off possibility to click on the headers to sort
  compareFunctionFactory: function(sortOrder, columnMeta) {
    return function(value, nextValue) {
      // Some value comparisons which will return -1, 0 or 1...
    }
  }
}

# Methods

# clearSort

Source code (opens new window)

columnSorting.clearSort()

Clear the sort performed on the table.

# destroy

Source code (opens new window)

columnSorting.destroy()

Destroys the plugin instance.

# disablePlugin

Source code (opens new window)

columnSorting.disablePlugin()

Disables the plugin functionality for this Handsontable instance.

# enablePlugin

Source code (opens new window)

columnSorting.enablePlugin()

Enables the plugin functionality for this Handsontable instance.

# getSortConfig

Source code (opens new window)

columnSorting.getSortConfig([column]) ⇒ undefined | object | Array

Get sort configuration for particular column or for all sorted columns. Objects contain column and sortOrder properties.

Note: Please keep in mind that returned objects expose visual column index under the column key. They are handled by the sort function.

Param Type Description
[column] number optional Visual column index.

# isEnabled

Source code (opens new window)

columnSorting.isEnabled() ⇒ boolean

Checks if the plugin is enabled in the Handsontable settings. This method is executed in Hooks#beforeInit hook and if it returns true than the ColumnSorting#enablePlugin method is called.

# isSorted

Source code (opens new window)

columnSorting.isSorted() ⇒ boolean

Checks if the table is sorted (any column have to be sorted).

# setSortConfig

Source code (opens new window)

columnSorting.setSortConfig(sortConfig)

Warn: Useful mainly for providing server side sort implementation (see in the example below). It doesn't sort the data set. It just sets sort configuration for all sorted columns. Note: Please keep in mind that this method doesn't re-render the table.

Example

beforeColumnSort: function(currentSortConfig, destinationSortConfigs) {
  const columnSortPlugin = this.getPlugin('columnSorting');

  columnSortPlugin.setSortConfig(destinationSortConfigs);

  // const newData = ... // Calculated data set, ie. from an AJAX call.

  this.loadData(newData); // Load new data set and re-render the table.

  return false; // The blockade for the default sort action.
}
Param Type Description
sortConfig undefined
object
Array
Single column sort configuration or full sort configuration (for all sorted columns). The configuration object contains column and sortOrder properties. First of them contains visual column index, the second one contains sort order (asc for ascending, desc for descending).

# sort

Source code (opens new window)

columnSorting.sort(sortConfig)

Sorts the table by chosen columns and orders.

Emits: Hooks#event:beforeColumnSort, Hooks#event:afterColumnSort Example

// sort ascending first visual column
hot.getPlugin('columnSorting').sort({ column: 0, sortOrder: 'asc' });
Param Type Description
sortConfig undefined
object
Single column sort configuration. The configuration object contains column and sortOrder properties. First of them contains visual column index, the second one contains sort order (asc for ascending, desc for descending). Note: Please keep in mind that every call of sort function set an entirely new sort order. Previous sort configs aren't preserved.
Last Updated: Mar 27, 2024