QueryBuilder

Properties

allowValidation

boolean

Enables or disables the validation.

Defaults to false

columns

ColumnsModel[]

Specifies columns to create filters.

Defaults to {}

cssClass

string

Defines class or multiple classes, which are separated by a space in the QueryBuilder element. You can add custom styles to the QueryBuilder using the cssClass property.

Defaults to ”

dataSource

Object[] | Object | DataManager

Binds the column name from data source in query-builder. The dataSource is an array of JavaScript objects.

Defaults to []

displayMode

DisplayMode

Specifies the displayMode as Horizontal or Vertical.

Defaults to ‘Horizontal’

enableNotCondition

boolean

Enables/Disables the not group condition in query builder.

Defaults to false

enablePersistence

boolean

Enable or disable persisting component’s state between page reloads. If enabled, filter states will be persisted.

Defaults to false.

enableRtl

boolean

Enable or disable rendering component in right to left direction.

Defaults to false

fieldMode

FieldMode

Specifies the fieldMode as DropDownList or DropDownTree.

Defaults to ‘Default’

fieldModel

DropDownListModel | DropDownTreeModel

Specifies the property for field. @default null

headerTemplate

string | Function

Specifies the template for the header with any other widgets.

Defaults to null

height

string

Specifies the height of the query builder.

Defaults to ‘auto’

immediateModeDelay

number

If immediateModeDelay is set by particular number, the rule Change event is triggered after that period.

Defaults to 0

locale

string

Overrides the global culture and localization value for this component. Default global culture is ‘en-US’.

Defaults to ”

matchCase

boolean

If match case is set to true, the grid filters the records with exact match. if false, it filters case insensitive records (uppercase and lowercase letters treated the same).

Defaults to false

maxGroupCount

number

Specifies the maximum group count or restricts the group count.

Defaults to 5

operatorModel

DropDownListModel

Specifies the property for operator. @default null

readonly

boolean

When set to true, the user interactions on the component are disabled.

Defaults to false

rule

RuleModel

Defines rules in the QueryBuilder. Specifies the initial rule, which is JSON data.

Defaults to {}

separator

string

Specifies the separator string for column.

Defaults to ”

showButtons

ShowButtonsModel

Specifies the showButtons settings of the query builder component. The showButtons can be enable Enables or disables the ruleDelete, groupInsert, and groupDelete buttons.

Defaults to { ruleDelete: true , groupInsert: true, groupDelete: true }

sortDirection

SortDirection

Specifies the sort direction of the field names.

Defaults to ‘Default’

summaryView

boolean

Shows or hides the filtered query.

Defaults to false

valueModel

ValueModel

Specifies the property for value.

Defaults to null

width

string

Specifies the width of the query builder.

Defaults to ‘auto’

Methods

addEventListener

Adds the handler to the given event listener.

Parameter	Type	Description
eventName	string	A String that specifies the name of the event
handler	Function	Specifies the call to run when the event occurs.

Returns void

addGroups

Adds single or multiple groups, which contains the collection of rules.

Parameter	Type	Description
groups	RuleModel[]	‘group collection’ to be passed to add the groups.
groupID	string	‘group id’ to be passed to add the groups.

Returns void

addRules

Adds single or multiple rules.

Parameter	Type	Description
rule	RuleModel[]	‘rule collection’ to be passed to add the rules.
groupID	string	‘group id’ to be passed to add the rule in groups.

Returns void

appendTo

Appends the control within the given HTML element

Parameter	Type	Description
selector (optional)	string | HTMLElement	Target element where control needs to be appended

Returns void

attachUnloadEvent

Adding unload event to persist data when enable persistence true

Returns any

dataBind

When invoked, applies the pending property changes immediately to the component.

Returns void

deleteGroup

Delete the Group

Parameter	Type	Description
target	Element | string	‘target’ to be passed to delete the group.

Returns void

deleteGroups

Deletes the group or groups based on the group ID.

Parameter	Type	Description
groupIdColl	string[]	‘groupIdColl’ to be passed to delete groups.

Returns void

deleteRules

Deletes the rule or rules based on the rule ID.

Parameter	Type	Description
ruleIdColl	string[]	‘ruleIdColl’ to be passed to delete rules.

Returns void

destroy

Removes the component from the DOM and detaches all its related event handlers. Also it maintains the initial input element from the DOM.

Returns void

detachUnloadEvent

Removing unload event to persist data when enable persistence true

Returns any

getDataManagerQuery

Gets the query for Data Manager.

Parameter	Type	Description
rule	RuleModel	‘rule’ to be passed to get query.

Returns Query

getFilteredRecords

Return the Query from current rules collection.

Returns Promise | any

getGroup

Gets the group.

Parameter	Type	Description
target	Element | string	‘target’ to be passed to get group.

Returns RuleModel

getLocalData

Returns the persistence data for component

Returns any

getOperators

Return the operator bound to the column.

Returns { [key: string]: Object }[]

getPredicate

Get the predicate from collection of rules.

Parameter	Type	Description
rule	RuleModel	‘rule’ to be passed to get predicate.

Returns Predicate

getRootElement

Returns the route element of the component

Returns HTMLElement

getRule

Gets the rule.

Parameter	Type	Description
elem	string | HTMLElement	‘elem’ to be passed to get rule.

Returns RuleModel

getRules

Gets the rule or rule collection.

Returns RuleModel

getRulesFromSql

Get the rules from SQL query.

Parameter	Type	Description
sqlString	string	‘sql String’ to be passed to get the rule.
sqlLocale (optional)	boolean	Set true if Localization for Sql query.

Returns RuleModel

getSqlFromRules

Gets the sql query from rules.

Returns string

getValidRules

Get the valid rule or rules collection.

Parameter	Type	Description
currentRule (optional)	RuleModel	‘currentRule’ to be passed to get the valid rules.

Returns RuleModel

getValues

Return values bound to the column.

Parameter	Type	Description
field	string	‘field’ to be passed to get the field values.

Returns any[]

handleUnload

Handling unload event to persist data when enable persistence true

Returns any

notifyChange

Notify the changes to component.

Parameter	Type	Description
value	string | number | boolean | Date | string[] | number[] | Date[]	‘value’ to be passed to update the rule value.
element	Element	‘element’ to be passed to update the rule.
type (optional)	string	‘type’ to be passed to update the rule .

Returns void

refresh

Applies all the pending property changes and render the component again.

Returns void

removeEventListener

Removes the handler from the given event listener.

Parameter	Type	Description
eventName	string	A String that specifies the name of the event to remove
handler	Function	Specifies the function to remove

Returns void

reset

Clears the rules without root rule.

Returns void

setRules

Set the rule or rules collection.

Parameter	Type	Description
rule	RuleModel	‘rule’ to be passed to set rules.

Returns void

setRulesFromSql

Sets the rules from the sql query.

Parameter	Type	Description
sqlString	string	‘sql String’ to be passed to set the rule.
sqlLocale (optional)	boolean	Set true if Localization for Sql query.

Returns void

validateFields

Validate the conditions and it display errors for invalid fields.

Returns boolean

Inject

Dynamically injects the required modules to the component.

Parameter	Type	Description
moduleList	Function[]	?

Returns void

Events

actionBegin

EmitType<ActionEventArgs>

Triggers when field, operator, value is change.

beforeChange

EmitType<ChangeEventArgs>

Triggers before the condition (And/Or), field, operator, value is changed.

change

EmitType<ChangeEventArgs>

Triggers when changing the condition(AND/OR), field, value, operator is changed.

created

EmitType<Event>

Triggers when the component is created.

dataBound

EmitType<Object>

Triggers when dataBound to the Query Builder.

ruleChange

EmitType<RuleChangeEventArgs>

Triggers when changing the condition(AND/OR), field, value, operator is changed