External preview extension
The External Preview feature helps you preview documents based on an external URL request.
This option is only available if you have enabled the External preview extension.
There are two parameters passed as request parameters in the URL request:
- The document uuid.
- The downloadUrl.
Configuration
| Field / Property | Type | Description |
|---|---|---|
|
extension.external.preview |
List |
Each row is a pair of values declaring preview content; the format is: mime-type;url application/illustrator;http://localhost:8180/openkm/test.jsp |
More information is available at Configuration parameters.
Sample
Configuration
Create a file named test.jsp and copy it into the $TOMCAT_HOME/webapps/openkm folder.
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>External URL request example</title>
</head>
<body>
Request parameters
<br />
<br />
<b>uuid:</b><%=request.getParameter("uuid")%><br />
<br />
<b>dowloadUrl:</b><%=request.getParameter("downloadUrl")%><br />
</body>
</html>Usage
- Choose a document with one of the MIME types set in the configuration parameters.
- Open the Preview tab. The external URL based on the document's MIME type will be shown.
