The Viewing Client offers the following features out of the box:

• A responsive UI
• A jQuery plugin for embedding the full Viewing Client
• Configuration options
• A customizable UI
• An API
• Reusable core component

Responsive UI

The Viewing Client’s responsive UI is designed for phone, tablet, and desktop users. A single UI implementation adapts to the viewport size of the device or element in which it is embedded.

jQuery Plugin

A jQuery plugin is used to embed the full-featured, responsive Viewing Client on the page.

$("#myDiv").pccViewer(pluginOptions);

Configuration

The Viewing Client UI and behavior can be configured when the Viewing Client is embedded, using JavaScript parameters.

var pluginOptions = {
    documentID : "1234abcd",
    encryption : false,
    viewMode : "EqualWidthPages"
}

Configurable options include:

• Disabling tabs
• DRM features
• Localization
• Rendering options
• Encryption
• Default tool settings
• Pre-defined search

Customizable UI

If the Viewing Client needs to be customized more than configuration options allow, all UI code is open-source and can be modified to suit customization needs.

The open-source Viewing Client code is separated into CSS files, template HTML files, and JavaScript. The code leverages custom HTML attributes and Underscore.js’ templating system in-order to maintain separation of concerns.

API

The Viewing Client API offers complete control over the Viewing Client. The API allows callers to augment, customize, or automate the end user’s experience with the Viewing Client.

The API functionality covers:

• Creating and destroying the Viewing Client
• Events
• Page navigation
• Zooming and fitting content
• Mark (annotation and redaction) CRUD
• Markup saving and loading
• Customizing mouse tools
• Searching document text
• Printing
• Getting page and document attributes

var api = $("#myDiv").pccViewer(pluginOptions).viewerControl;
api.on("PageCountReady", function() {
    api.changeToLastPage();
});

Reusable Core Component

The core component used by the Viewing Client for rendering the document is the ViewerControl.

The ViewerControl is a component that can be used independent of the full Viewing Client; it can be directly embedded into a page and used for building a fully custom UI.

• The only UI of the ViewerControl is the page list, which allows scrolling through a document.
• The ViewerControl exposes the API for programmatic control. 

Left example above: embedding the full Viewing Client using the jQuery plugin. Right example above: embedding the ViewerControl alone.

The ViewerControl does not have dependencies on third party libraries.

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