XViewerUI Class Reference

This class provides an ability for user to customize the several UI like contextmenu which may be triggered from PDFViewCtrl module. You should customize that stuffs like the following example:

new PDFUI({
 viewerOptions: {
     viewerUI: new class extends UIExtension.XViewerUI {
         createContextMenu(owner, anchor, config) {
             // ...
         }
     }
 }
})

. More...

Inheritance diagram for XViewerUI:

Public Member Functions
	alert (message, title)
	A method shows alert dialog like window.alert() More...
	confirm (message, title)
	A method shows confirm dialog like window.alert() More...
	createContextMenu (owner, anchor, config)
	A method which is used to create the contextmenu component and registers the right-click event. You can override this method to customize the right-click menu. More...
	prompt (defaultValue, message, title)
	A method shows prompt dialog like window.alert() More...
Public Member Functions inherited from IViewerUI
	alert (message)
	Display an alert dialog with the optional content and an OK button, then returns an fullfilled Promise after alert dialog closed. More...
	confirm (message)
	Displays a modal dialog with an optional message and two buttons: OK and Cancel, then returns an Promise, that will be fullfilled if user clicks OK, and be rejected if user clicks Cancel. More...
	createContextMenu (key, anchor, config)
	A method used to create the contextmenu component and registers the right-click event. You can override this method to customize the right-click menus. More...
	createTextSelectionTooltip (pageRender)
	Creates a tooltip component that displays when user select texts. More...
	destroy ()
	A method will be called when PDFViewer is destroyed. You should override this method to perform the operation of destroy resources.
	getSignatureUI ()
	Obtains the instance which implements ISignatureUI. This method retrieves the user interface component responsible for managing digital signatures. More...
	loading (coverOn)
	Displays a loading layer to indicate the loading state of a page or a component. More...
	prompt (defaultValue, message, title)
	Displays a dialog with an optional message prompting the user to input some text. More...
	promptPassword (defaultValue, message, title)
	Displays a dialog with a optional message prompting the user to input password. More...

Protected Member Functions
	getAnnotsContextMenuName (owner)
	Obtains the contextmenu component name according to the owner annotation's type. If the component's name is not found in the template, you need to use the default contextmenu component according to the type of Annotation. 'fv–markup-contextmenu'， 'fv–textmarkup-contextmenu' and 'fv–default-annot-contextmenu' are used as default contextmenu component name by the implementation of the XViewerUI.createContextMenu method. More...
	getContextMenuNameByOwner (owner)
	Obtains the contextmenu component name according to the owner type(including state-handler name or AnnotComponent instance). More...

Detailed Description

This class provides an ability for user to customize the several UI like contextmenu which may be triggered from PDFViewCtrl module. You should customize that stuffs like the following example:

new PDFUI({
 viewerOptions: {
     viewerUI: new class extends UIExtension.XViewerUI {
         createContextMenu(owner, anchor, config) {
             // ...
         }
     }
 }
})

.

Since

7.2.0

Member Function Documentation

alert()

XViewerUI::alert (   message,   title  )

inline

A method shows alert dialog like window.alert()

Parameters

message	string - The alert message.
[title]	string - The title of alert dialog.

Returns

Promise<void> - A fulfilled Promise.

confirm()

XViewerUI::confirm (   message,   title  )

inline

A method shows confirm dialog like window.alert()

Parameters

message	string - The confirm message.
[title]	string - The title of the confirm dialog.

Returns

Promise<void> - A fulfilled Promise if user confirmed, otherwise rejected Promise.

createContextMenu()

XViewerUI::createContextMenu (   owner,   anchor,   config  )

inline

A method which is used to create the contextmenu component and registers the right-click event. You can override this method to customize the right-click menu.

Parameters

owner	string|AnnotComponent - Indicates the owner of the contextmneu instance returned by this method , which can be the name of a state-handler or an instance of AnnotComponent.
anchor	HTMLElement - An html element used to respond to right-click events.
config	object -
config.selector	string - A css selector of an element, this element may be the anchor or it's children, this selector is used to detect the right-click event target.

Returns

IContextMenu

getAnnotsContextMenuName()

XViewerUI::getAnnotsContextMenuName (   owner )

inlineprotected

Obtains the contextmenu component name according to the owner annotation's type. If the component's name is not found in the template, you need to use the default contextmenu component according to the type of Annotation. 'fv–markup-contextmenu'， 'fv–textmarkup-contextmenu' and 'fv–default-annot-contextmenu' are used as default contextmenu component name by the implementation of the XViewerUI.createContextMenu method.

Parameters

owner

AnnotComponent

Returns

string

getContextMenuNameByOwner()

XViewerUI::getContextMenuNameByOwner (   owner )

inlineprotected

Obtains the contextmenu component name according to the owner type(including state-handler name or AnnotComponent instance).

Parameters

owner

string|AnnotComponent - Indicates the owner of the contextmneu instance returned by this method , which can be the name of a state-handler or an instance of AnnotComponent.

Returns

string|undefined - undefined if owner is unsupported otherwise an string.

prompt()

XViewerUI::prompt (   defaultValue,   message,   title  )

inline

A method shows prompt dialog like window.alert()

Parameters

defaultValue	string - The default value of the input box.
message	string - The message above the input.
[title]	string - The title of the prompt dialog.

Returns

Promise<string> - A fulfilled Promise with the value of the input box if user confirmed, otherwise rejected Promise.