PDFTron WebViewer

Namespace: TabManager

UI. TabManager

An instance of TabManager that can be used to edit the open document Tabs **Only Multi-Tab Mode**.

Example

WebViewer(...)
 .then(function (instance) {
    instance.UI.TabManager.setActiveTab(0);
  })

Methods

<static> addTab(src [, options])

Add a new tab to the UI
Parameters:
Name Type Argument Description
src string | File | Blob | Core.Document | Core.PDFNet.PDFDoc The source of the tab to be added (e.g. a URL, a blob, ArrayBuffer, or a File)
options UI.loadDocumentOptions <optional>
 The options for the tab to be added
Properties
Name Type Argument Description
load boolean <optional>
 Whether to load the tab immediately after adding it (default: true)
saveCurrent boolean <optional>
 Whether to save the current tab state before adding the new tab (only used when load=true) (default: true)
Returns:
Resolves to the tab id of the newly added tab
Type
Promise.<number>
Example
WebViewer(...).then(function(instance) {
  instance.UI.TabManager.addTab('http://www.example.com/pdf', {extension: "pdf", load: true, saveCurrent: true}); // Add a new tab with the URL http://www.example.com
});

<static> deleteTab(tabId)

Delete a tab by id in the UI
Parameters:
Name Type Description
tabId number The tab id to be deleted from the tab header
Returns:
Type
void
Example
WebViewer(...).then(function(instance) {
  instance.UI.TabManager.deleteTab(0); // Delete tab id 0
});

<static> getActiveTab()

Get the currently active tab id
Returns:
The current tab with the following properties: { id: Number, options: Object, src: string|Blob|File|ArrayBuffer }
Type
object

<static> getTabs()

Get all the tabs from the UI
Returns:
Array of tab objects containing the following properties: { id: Number, options: Object, src: string|Blob|File|ArrayBuffer }
Type
Array.<Object>

<static> setActiveTab(tabId [, saveCurrent])

Set the currently open tab in the UI
Parameters:
Name Type Argument Description
tabId number The tab id to set as the current tab
saveCurrent boolean <optional>
 Whether to save the current tab state before switching to the new tab (default: true)
Returns:
Resolves when the tab is loaded
Type
Promise.<void>
Example
WebViewer(...).then(function(instance) {
  instance.UI.TabManager.setActiveTab(0, false); // Set to tab id 0 discarding current tab state
});