Getting started with xpages

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Remarks

XPages is a web Framework for IBM Notes platform. It was introduced in Lotus Domino 8.5 (has to be verified).

It is based on JSF (JavaServer Faces) with a lot of useful extensions to represent and manipulate IBM Notes data.

IBM offers a tutorial for XPages: https://www-10.lotus.com/ldd/ddwiki.nsf/dx/Tutorial-intro-to-XPages.htm

Behind the Scenes In backend XPages are XML files which is similar to HTML. The Domino Server finally makes real HTML and send these pages to the Client. The Business logic is implemented in native JavaScript ("clientside JavaScript - CSJS") and pseudo JavaScript ("serverside JavaScript - SSJS").

Installation or Setup

In short: XPages is part of IBM Domino Designer. Extra setup or installation isn't required for XPages.


First XPage / Hello-World-Example

To create your first XPage you have to create a new NSF first. Open the IBM Domino Designer, and open the menu "File" -> "New" -> "Application".

In the popup Dialog make these settings:

  1. Select the server where the NSF will be created (can also be "local").
  2. Then enter a title, for example "Hello World NSF ".
  3. Then enter a file name of your new NSF, for example "hello-world.nsf ".
  4. Ignore the "Encription ..." button to keep the default settings.
  5. Check the option "full index".
  6. Then click "OK".

The new NSF is created.

Now right-click on section "[XPages]" in the application navigator and select "new XPage ...".

  1. Enter a title of your new XPage, for example "HelloWorld ". This will create a file named "HelloWorld.xsp".
  2. The comment field can be left empty for this simple example.
  3. Click "OK", and the page is created.

Double-click at your new HelloWorld XPage, which you can find under the "[XPages]" section.

Select the tab "Source" (which is located at the bottom of the editor), and add a simple textfield component to your page. This should be the result:

<?xml version="1.0" encoding="UTF-8"?>
<xp:view xmlns:xp="http://www.ibm.com/xsp/core" pageTitle="Hello My World">

  <xp:text id="simpleTextField" value="Hello World!!!!" />

</xp:view>
 

Save the page and build the project (right-click at your application "Hello World NSF" and select menu entry "build").

Now, open a browser like Internet Explorer, and navigate to the new XPage of your application's NSF. For example "http://mydominoserver.com/hello-world.nsf/HelloWorld.xsp" and you will see your Hello World text.

Use external texts with message.properties in XPages

Prepare

First create a "message.properties " file in Resources/Files/. Example:

##############
# Test message.properties
##############
label.age=Enter your age:
validate.error.reqired.age=Sorry, but you have to give away the secret of your age ...
 

Next, connect the resource with your XPage or Custom Control:

<xp:this.resources>
    <xp:bundle src="/messages.properties" var="appMsg" />
    ....
</xp:this.resources>
 

Note: The "var" defines the name you want to use in your XPages or Custom Controls to reference the message map.

Usage

Now you can use the message map with server-side JavaScript (#{javascript:appMsg.getString('...')} ) or with EL (#{appMsg['...']} ).

Example usage:

...
<!-- to show the error message: -->
<xp:messages />

<!-- use with ssjs: -->
<xp:text value="#{javascript:appMsg.getString('label.age')}" escape="false" />

<!-- use with EL: -->
<xe:djNumberSpinner value="#{myDoc.age}" maxLength="2" javaType="int">
    <xp:this.validators>
        <xp:validateRequired message="#{appMsg['validate.error.reqired.age']}" />
    </xp:this.validators>
</xe:djNumberSpinner>
...
 

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Tuesday, May 23, 2017
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