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Column

Represents TreeGrid Column model class.

Properties

allowEditing

boolean

If allowEditing set to false, then it disables editing of a particular column. By default all columns are editable.

Defaults to true

allowFiltering

boolean

If allowFiltering set to false, then it disables filtering option and filter bar element of a particular column. By default all columns are filterable.

Defaults to true

allowReordering

boolean

If allowReordering set to false, then it disables reorder of a particular column. By default all columns can be reorder.

Defaults to true

allowResizing

boolean

If allowResizing is set to false, it disables resize option of a particular column. By default all the columns can be resized.

Defaults to true

allowSorting

boolean

If allowSorting set to false, then it disables sorting option of a particular column. By default all columns are sortable.

Defaults to true

clipMode

ClipMode

Defines the cell content’s overflow mode. The available modes are

  • Clip - Truncates the cell content when it overflows its area.
  • Ellipsis - Displays ellipsis when the cell content overflows its area.
  • EllipsisWithTooltip - Displays ellipsis when the cell content overflows its area also it will display tooltip while hover on ellipsis applied cell.

Defaults to Ellipsis

columns

Column[] | string[] | ColumnModel[]

Used to render multiple header rows(stacked headers) on the TreeGrid header.

Defaults to null

commands

CommandModel[]

commands provides an option to display command buttons in every cell. The available built-in command buttons are

  • Edit - Edit the record.
  • Delete - Delete the record.
  • Save - Save the record.
  • Cancel - Cancel the edit state.

Defaults to null

customAttributes

Object

The CSS styles and attributes of the content cells of a particular column can be customized.

Defaults to null

defaultValue

string

Defines default values for the component when adding a new record to the TreeGrid.

Defaults to null

disableHtmlEncode

boolean

If disableHtmlEncode is set to true, it encodes the HTML of the header and content cells.

Defaults to false

displayAsCheckBox

boolean

If displayAsCheckBox is set to true, it displays the column value as a check box instead of Boolean value.

Defaults to false

edit

IEditCell

Defines the IEditCell object to customize default edit cell.

Defaults to {}

editTemplate

string

Defines the cell edit template that used as editor for a particular column. It accepts either template string or HTML element ID.

Defaults to null

editType

string

Defines the type of component for editable.

Defaults to ‘stringedit’

field

string

Defines the field name of column which is mapped with mapping name of DataSource. The bounded columns can be sort, filter etc., The field name must be a valid JavaScript identifier, the first character must be an alphabet and should not contain spaces and special characters.

Defaults to ‘undefined’

filter

IFilter

It is used to customize the default filter options for a specific columns.

  • type - Specifies the filter type as menu.
  • ui - to render custom component for specific column it has following functions.
  • ui.create – It is used for creating custom components.
  • ui.read - It is used for read the value from the component.
  • ui.write - It is used to apply component model as dynamically. @default null

filterBarTemplate

IFilterUI

The filterBarTemplate is used to add a custom component instead of default input component for filter bar. It have create and read functions.

  • create: It is used for creating custom components.
  • read: It is used to perform custom filter action.

Defaults to null

filterTemplate

string

Defines the filter template/UI that used as filter for a particular column. It accepts either template string or HTML element ID.

Defaults to null

format

string | NumberFormatOptions | DateFormatOptions

It is used to change display value with the given format and does not affect the original data. Gets the format from the user which can be standard or custom number and date formats.

Defaults to null

formatter

Object | ITreeGridCellFormatter | Function

Defines the method which is used to achieve custom formatting from an external function. This function triggers before rendering of each cell.

Defaults to null

headerTemplate

string

Defines the header template as string or HTML element ID which is used to add customized element in the column header.

Defaults to null

headerText

string

Defines the header text of column which is used to display in column header. If headerText is not defined, then field name value will be assigned to header text.

Defaults to ‘undefined’

headerTextAlign

TextAlign

Define the alignment of column header which is used to align the text of column header.

Defaults to null

hideAtMedia

string

Column visibility can change based on Media Queries. hideAtMedia accepts only valid Media Queries.

Defaults to ‘undefined’

isFrozen

boolean

You can use this property to freeze selected columns in treegrid

Defaults to false

isIdentity

boolean

If isIdentity is set to true, then this column is considered as identity column.

Defaults to false

isPrimaryKey

boolean

If isPrimaryKey is set to true, considers this column as the primary key constraint.

Defaults to false

lockColumn

boolean

If lockColumn set to true, then it disables Reordering of a particular column. The locked column will be moved to first position.

Defaults to false

maxWidth

string | number

Defines the maximum width of the column in pixel or percentage, which will restrict resizing beyond this pixel or percentage.

Defaults to ‘undefined’

minWidth

string | number

Defines the minimum Width of the column in pixels or percentage.

Defaults to ‘undefined’

showCheckbox

boolean

If showCheckbox set to true, then the checkboxes will be displayed in particular column.

Defaults to false

showColumnMenu

boolean

If showColumnMenu set to false, then it disable the column menu of a particular column. By default column menu will show for all columns

Defaults to true

sortComparer

SortComparer | string

Defines the custom sort comparer function. The sort comparer function has the same functionality like Array.sort sort comparer.

template

string

Defines the column template that renders customized element in each cell of the column. It accepts either template string or HTML element ID.

Defaults to null

textAlign

TextAlign

Defines the alignment of the column in both header and content cells.

Defaults to Left

type

string

Defines the data type of the column.

Defaults to null

uid

string

Gets the unique identifier value of the column. It is used to get the column object.

Defaults to ‘undefined’

validationRules

Object

Defines rules to validate data before creating and updating.

Defaults to null

valueAccessor

ValueAccessor | string

Defines the method used to apply custom cell values from external function and display this on each cell rendered.

Defaults to null

visible

boolean

If visible is set to false, hides the particular column. By default, columns are displayed.

Defaults to true

width

string | number

Defines the width of the column in pixels or percentage.

Defaults to ‘undefined’