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Text search

In this document
chevron_rightShowing a text search view controller
chevron_rightSearch results list view
chevron_rightSearch options
chevron_rightThe text search view controller delegate

The PTTextSearchViewController class allows the user to enter and search text in a document. Search results are automatically highlighted in the document and a toolbar with navigation buttons allows searching forward or backward through the document. The core text search functionality is provided by the PTPDFViewCtrl's text search methods.

The search view controller is part of the Tools library, so make sure you have added the Tools library to your project.

linkShowing a text search view controller

To create and set up a text search view controller, supply a PTPDFViewCtrl instance to the PTTextSearchViewController designated initializer:

The search view controller does not create its own top navigation bar, so it must be pushed onto a navigation controller's stack.
Presenting on iPads:
The search view controller is designed to be presented in a popover on iPads. To do so, you must provide the PTTextSearchViewController's UIPopoverPresentationController with either: OR as in the example above.

linkSearch results list view

The PTTextSearchViewController also presents the search results in a UITableView for fast and easy navigation. Selecting any result in the table view will immediately navigate to that result and highlight it.

linkSearch options

The PTTextSearchViewController interface also allows the user to refine the search to be case-sensitive, or to match whole words only:

linkThe text search view controller delegate

The PTTextSearchViewControllerDelegate protocol allows the adopting class (usually the containing view controller, as in this guide) to be notified when the view controller has been dismissed. This can be used to show or hide other content as appropriate.