| FoxitPDFSDKforWeb v11.0.4 Archives Foxit PDF SDK for Web

Public Member Functions | List of all members
PDFFormField Class Reference
PDF » form
Inheritance diagram for PDFFormField:

## Public Member Functions
async | addOption (item:ChoiceOptionItem)
| Adds an option to the end of the list box or combo box. More...
async | deleteOption (index:number)
| Deletes an option by index from the list box or combo box. More...
| describeFieldFlags ()
| Retrieves the flag options for the current field. More...
| getAdditionalAction ()
| Retrives the additional action object. More...
| getAlignment ()
| Retrieves the field's alignment. More...
async | getAlternateName ()
| Get alternate name. More...
| getDefaultValue ()
| Retrieves the default value of the field. More...
| getExtType ()
| Retrieves the extended type information for the current form field. More...
| getFlags ()
| Retrieves the field's flags. More...
| getMappingName ()
| Get mapping name. More...
| getMaxLength ()
| Retrieves the maximum length of the text field. More...
| getName ()
| Retrives the name of the form field. More...
| getOptions ()
| Retrieves combo box and list box options. More...
| getOptionsSize ()
| Retrieves the number of options available in the list box or combo box. More...
| getType ()
| Get form field's type. More...
| getValue ()
| Get field value. More...
async | getWidget (index:number)
| Get widget annot with specified index. Please call PDFFormField.getWidgetsCount to get count. More...
| getWidgetsCount ()
| Get the count of field's controls. More...
async | insertOption (index:number, item:ChoiceOptionItem)
| Inserts an option at the specified index. More...
| isCheckedByDefault ()
| Checks if the field is checked by default. More...
async | isReadonly ()
| Check if the field is read only. More...
async | isRequired ()
| Check if the field is required. More...
async | moveOption (srcIndex:number, destIndex:number)
| Moves an option from one index to another. More...
async | selectOption (index:number)
| Selects an option by index in the list box or combo box. More...
async | setAlignment (alignment:number)
| Sets the field's alignment (not applicable for signature fields). More...
async | setAlternateName (alternateName:string)
| Set alternate name. More...
| setCheckedByDefault (checked:boolean)
| Sets the default checked state of the field. More...
| setDefaultValue (defaultValue:string)
| Sets the default value of the field. More...
async | setMappingName (mappingName:string)
| Set mapping name. (Not support signature field). More...
async | setMaxLength (maxLength:number)
| Sets the maximum length for the text field. More...
async | setOptions (options:{ label:string;value:string;selected:boolean;defaultSelected:boolean;}[])
| Sets the options (items) for a list box or combo box. More...
| setValue (value:string, isTriggerEvent=true)
| Set field value. More...
| updateFlagByOptions (options:Partial< FieldFlagOptions >)
| Updates the field's flags based on the given options. More...
async | updateOption (index:number, itemOptions:Partial< ChoiceOptionItem >)
| Updates an option at a specified index. More...
Public Member Functions inherited from Disposable
| addDestroyHook (...hooks)
| Add a function to destroyHooks list, which will be called during destroy. More...
| destroy ()
| ownsTo (owner)
| Establishes an ownership relationship where this instance will be destroyed when the owner is destroyed. Additionally, the owner will be automatically removed from the destroyHooks list when this instance is destroyed. More...

## Detailed Description

PDF Form Field object

Field

Since
  11.0.0

## Member Function Documentation

## ◆ addOption()

async PDFFormField::addOption | ( |  | item:ChoiceOptionItem | ) |
| inline

Adds an option to the end of the list box or combo box.

Parameters

  item | ChoiceOptionItem - The option to add.

Returns
  Promise<void> - Resolves when the option is added.

Since
  11.0.0

## ◆ deleteOption()

async PDFFormField::deleteOption | ( |  | index:number | ) |
| inline

Deletes an option by index from the list box or combo box.

Parameters

  index | number - The index of the option to delete.

Returns
  Promise<void> - Resolves when the option is deleted.

Since
  11.0.0

## ◆ describeFieldFlags()

PDFFormField::describeFieldFlags | ( |  | ) |
| inline

Retrieves the flag options for the current field.

Returns
  Promise<FieldFlagOptions> -

Since
  11.0.0

## ◆ getAdditionalAction()

PDFFormField::getAdditionalAction | ( |  | ) |
| inline

Retrives the additional action object.

Returns
  AdditionalAction<FieldActionTriggerEvents> - The additional action object used to manipulate additional actions.

Since
  11.0.0

## ◆ getAlignment()

PDFFormField::getAlignment | ( |  | ) |
| inline

Retrieves the field's alignment.

Returns
  Promise<Alignment> - The current alignment of the field.

Since
  11.0.0

## ◆ getAlternateName()

async PDFFormField::getAlternateName | ( |  | ) |
| inline

Get alternate name.

An alternate field name to be used in place of the actual field name wherever the field must be identified in the user interface (such as in error or status messages referring to the field). This text is also useful when extracting the document's contents in support of accessibility to users with disabilities or for other purposes.

let fieldname = 'ComboBox0'
let pdfviewer = await pdfui.getPDFViewer()
let field = pdfviewer.getPDFDocRender().getPDFDoc().getPDFForm().getField(fieldname)
field.getAlternateName()

Returns
  Promise<string> - A promise that fullfilled with the alternate field name.

Since
  11.0.0

## ◆ getDefaultValue()

PDFFormField::getDefaultValue | ( |  | ) |
| inline

Retrieves the default value of the field.

Returns
  Promise<string> - The current default value of the field.

Since
  11.0.0

## ◆ getExtType()

PDFFormField::getExtType | ( |  | ) |
| inline

Retrieves the extended type information for the current form field.

Returns
  ExtFieldType - The extended field type information.

Since
  11.0.0

## ◆ getFlags()

PDFFormField::getFlags | ( |  | ) |
| inline

Retrieves the field's flags.

Returns
  number - The flags associated with the field.

See also
  FieldFlag

Since
  11.0.0

## ◆ getMappingName()

PDFFormField::getMappingName | ( |  | ) |
| inline

Get mapping name.

Mapping name is to be used when exporting interactive form field data from the document.

Returns
  Promise<string> - The mapping name.

Since
  11.0.0

## ◆ getMaxLength()

PDFFormField::getMaxLength | ( |  | ) |
| inline

Retrieves the maximum length of the text field.

Returns
  Promise<number> - The maximum length of the text.

Since
  11.0.0

## ◆ getName()

PDFFormField::getName | ( |  | ) |
| inline

Retrives the name of the form field.

Returns
  string - Form field's name

## ◆ getOptions()

PDFFormField::getOptions | ( |  | ) |
| inline

Retrieves combo box and list box options.

Returns
  Array<ChoiceOptionItem> - Array of field's options. For Example:
  [
  {
  label:"label0",
  value:"value0"
  },{
  label:"label1",
  value:"value1"
  },
  ...
  ]

Since
  11.0.0

## ◆ getOptionsSize()

PDFFormField::getOptionsSize | ( |  | ) |
| inline

Retrieves the number of options available in the list box or combo box.

Returns
  Promise<number> - The number of options available.

Since
  11.0.0

## ◆ getType()

PDFFormField::getType | ( |  | ) |
| inline

Get form field's type.

Returns
  FieldType - Form field's type. Please refer to FieldType

Unknown:0; PushButton:1; CheckBox:2; RadioButton:3; ComboBox:4; ListBox:5; Text:6; Sign:7; Barcode:8

## ◆ getValue()

PDFFormField::getValue | ( |  | ) |
| inline

Get field value.

Returns
  Promise<string> - A Promise fullfilled with Field's value

## ◆ getWidget()

async PDFFormField::getWidget | ( |  | index:number | ) |
| inline

Get widget annot with specified index. Please call PDFFormField.getWidgetsCount to get count.

Parameters

  index | Number - Index of widget.

Returns
  Promise<Widget> - Widget annot.

Since
  7.5.0

## ◆ getWidgetsCount()

PDFFormField::getWidgetsCount | ( |  | ) |
| inline

Get the count of field's controls.

Returns
  Promise<number> - Count of field's controls.

Since
  11.0.0

## ◆ insertOption()

async PDFFormField::insertOption | ( |  | index:number,
|  |  | item:ChoiceOptionItem
| ) |  |
| inline

Inserts an option at the specified index.

Parameters

  index | number - The position where the new option will be inserted.
  item | ChoiceOptionItem - The option to be inserted.

Returns
  Promise<void> - Resolves when the option is inserted.

Since
  11.0.0

## ◆ isCheckedByDefault()

PDFFormField::isCheckedByDefault | ( |  | ) |
| inline

Checks if the field is checked by default.

Returns
  Promise<boolean> - The current default checked state.

Since
  11.0.0

## ◆ isReadonly()

async PDFFormField::isReadonly | ( |  | ) |
| inline

Check if the field is read only.

Returns
  Promise<boolean> - A Promise fulfilled with a boolean indicating if the field is read only.

Since
  11.0.0

## ◆ isRequired()

async PDFFormField::isRequired | ( |  | ) |
| inline

Check if the field is required.

Returns
  Promise<boolean> - A Promise fulfilled with a boolean indicating if the field is required.

Since
  11.0.0

## ◆ moveOption()

async PDFFormField::moveOption | ( |  | srcIndex:number,
|  |  | destIndex:number
| ) |  |
| inline

Moves an option from one index to another.

Parameters

  srcIndex | number - The source index of the option.
  destIndex | number - The destination index of the option.

Returns
  Promise<void> - Resolves when the option is moved.

Since
  11.0.0

## ◆ selectOption()

async PDFFormField::selectOption | ( |  | index:number | ) |
| inline

Selects an option by index in the list box or combo box.

Parameters

  index | number - The index of the option to select.

Returns
  Promise<void> - Resolves when the option is selected.

Since
  11.0.0

## ◆ setAlignment()

async PDFFormField::setAlignment | ( |  | alignment:number | ) |
| inline

Sets the field's alignment (not applicable for signature fields).

Parameters

  alignment | Alignment - The alignment to set.

Returns
  Promise<void>

## ◆ setAlternateName()

async PDFFormField::setAlternateName | ( |  | alternateName:string | ) |
| inline

Set alternate name.

An alternate field name is to be used in place of the actual field name wherever the field must be identified in the user interface (such as in error or status messages referring to the field). This text is also useful when extracting the document's contents in support of accessibility to users with disabilities or for other purposes.

Parameters

  alternateName | string - A new alternate name string.

Since
  11.0.0

## ◆ setCheckedByDefault()

PDFFormField::setCheckedByDefault | ( |  | checked:boolean | ) |
| inline

Sets the default checked state of the field.

Parameters

  checked | boolean - The checked state to set by default.

Returns
  Promise<void> - Resolves once the checked state is set.

Since
  11.0.0

## ◆ setDefaultValue()

PDFFormField::setDefaultValue | ( |  | defaultValue:string | ) |
| inline

Sets the default value of the field.

Parameters

  defaultValue | string - The default value to be set.

Returns
  Promise<void> - Resolves once the value is set.

Since
  11.0.0

## ◆ setMappingName()

async PDFFormField::setMappingName | ( |  | mappingName:string | ) |
| inline

Set mapping name. (Not support signature field).

Mapping name is to be used when exporting interactive form field data from the document.
If current form field is a signature field, this function will do nothing.

Parameters

  mappingName | string - A new mapping name string.

Returns
  Promise<void> -

Since
  11.0.0

## ◆ setMaxLength()

async PDFFormField::setMaxLength | ( |  | maxLength:number | ) |
| inline

Sets the maximum length for the text field.

Parameters

  maxLength | number - Specifies the maximum text length (0 means no limit).

Returns
  Promise<void> - Resolves when the max length is set.

Exceptions

  Error | if maxLength is less than 0.

Since
  11.0.0

## ◆ setOptions()

async PDFFormField::setOptions | ( |  | options:{ label:string;value:string;selected:boolean;defaultSelected:boolean;}[] | ) |
| inline

Sets the options (items) for a list box or combo box.

Applicable for list box and combo box fields. For other field types, this function does nothing.

Parameters

  options | Array<{label: string, value: string, selected: boolean, defaultSelected: boolean}> - An array of options to set for the list box or combo box. For Example: [ { label: "label0", value: "value0", selected: true, defaultSelected: true }, { label: "label1", value: "value1", selected: false, defaultSelected: false } ]

Returns
  Promise<void> - Resolves when the options are successfully set.

Since
  11.0.0

## ◆ setValue()

PDFFormField::setValue | ( |  | value:string,
|  |  | isTriggerEvent = `true`
| ) |  |
| inline

Set field value.

Parameters

  value | string - Field's value to be set.
  isTriggerEvent | boolean - Whether to trigger DataEvents.formFieldPropertyUpdated event after setting value. Default is `true`.

Returns
  Promise<void> - Resolves once the value is set.

Since
  11.0.0 When the field is focused, `setValue` will be ignored. Please use FormFillerEditorAPI instead. FormFillerService.getEditorAPI FormFillerEditorAPI

## ◆ updateFlagByOptions()

PDFFormField::updateFlagByOptions | ( |  | options:Partial< FieldFlagOptions > | ) |
| inline

Updates the field's flags based on the given options.

Parameters

  options | Partial<FieldFlagOptions> - The options used to update the field flags.

Returns
  Promise<void> - Resolves when the flags have been successfully updated.

Since
  11.0.0

## ◆ updateOption()

async PDFFormField::updateOption | ( |  | index:number,
|  |  | itemOptions:Partial< ChoiceOptionItem >
| ) |  |
| inline

Updates an option at a specified index.

Parameters

  index | number - The index of the option to update.
  itemOptions | Partial<ChoiceOptionItem> - The new values for the option.

Returns
  Promise<void> - Resolves when the option is updated.

Since
  11.0.0

@2025 Foxit Software Incorporated. All rights reserved.