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The introduction of the Nested Pages concept In XWiki 7.2, due to frequent users demands, we have introduced the ability to create spaces under other spaces. It's the Nested Spaces concept. We suddenly had the ability to create a hierarchy of spaces to organize content.

Indeed, the migrator cannot create nested pages in an old XWiki instance where this concept did not exist! Go to the Extension Manager in your wiki, and install the Nested Pages Migrator Application.

However, in order not to break retro-compatibility with many existing features and applications we had to keep the concepts of "Page" and "Space" in XWiki while adapting them to emulate the Nested Pages feature.

For them, this relationship is crucial. === The introduction of the Nested Pages concept === In XWiki 7.2, due to frequent users demands, we have introduced the ability to create spaces under other spaces. It's the **Nested Spaces** concept. We suddenly had the ability to create a hierarchy of spaces to organize content.

{{success}} **Next: [[XWiki basic concepts>>Documentation.UserGuide.GettingStarted.XWikiBasicConcepts]]** {{/success}}

It's a bridge to the Panel concept. To add a Panel to the left Panels area, simply create a document containing a PanelClass xobject and add it to the list of Panels to display in the Administration.

It's a bridge to the Panel concept. To add a Panel to the right Panels area, simply create a document containing a PanelClass xobject and add it to the list of Panels to display in the Administration.

summary : The HTML export has been improved to better scale with the Nested Pages concept. The exported pages are now located in directories named after the parent pages in which they are located.

This change will make it simpler for new users to edit the Homepage content, while also benefiting from some basic help concepts. The left panels area also showcases now the 'Navigation' panel, while the right panels area contain a 'Need Help?'

General Architecture Architecture Concepts: XWiki is a webapp that is deployed into a Servlet Container.

= General Architecture = Architecture Concepts: * XWiki is a webapp that is deployed into a [[Servlet Container>>http://en.wikipedia.org/wiki/Web_container]]

XWiki Classes, Objects, and Properties If you are familiar with object oriented programming, you understand the concept of classes, properties, and objects. The presentation level data model that XWiki exposes is much the same.

= XWiki Classes, Objects, and Properties = If you are familiar with object oriented programming, you understand the concept of classes, properties, and objects. The presentation level data model that XWiki exposes is much the same

In addition, this tutorial will introduce the concepts of Authoring Templates and Page Design Sheets, patterns that you will find particularly useful in creating XWiki applications.

If you previously chose to use a "Custom creation form" for creating new FAQ entries, follow these steps: Go to FAQ.WebHome Below the "Add a new question" header, enter a question (which will also be used as the document title) in the Document field Click Create this FAQ You can then enter your question in longer form using the Question field on the template, like this: Click Save & View and then you will see the newly created document, like this: Go back to the FAQ.WebHome page (you can use the breadcrumbs) to see the list of existing questions Conclusion This tutorial has taught you how to use the Class Wizard app and it has detailed the concepts of classes, objects and properties and introduced the authoring templates and page design sheets.

You can use these basic concepts to build custom applications at the document or presentation layer of XWiki without having to compile or deploy code.

In addition, this tutorial will introduce the concepts of Authoring Templates and Page Design Sheets, patterns that you will find particularly useful in creating XWiki applications.

If you previously chose to use a "Custom creation form" for creating new FAQ entries, follow these steps: * Go to ##FAQ.WebHome## * Below the "Add a new question" header, enter a question (which will also be used as the document title) in the //Document// field * Click //Create this FAQ// * You can then enter your question in longer form using the //Question// field on the template, like this:((( {{image reference="FAQSheetEdit.PNG"/}} ))) * Click //Save & View// and then you will see the newly created document, like this:((( {{image reference="FAQSheetView.PNG"/}} ))) * Go back to the ##FAQ.WebHome## page (you can use the breadcrumbs) to see the list of existing questions((( {{image reference="FAQsWithEntry.png"/}} ))) = Conclusion = This tutorial has taught you how to use the Class Wizard app and it has detailed the concepts of classes, objects and properties and introduced the authoring templates and page design sheets.

You can use these basic concepts to build custom applications at the document or presentation layer of XWiki without having to compile or deploy code.

summary : Starting XWiki 10.4 we started to introduce the concept of [[page "Types">>extensions:Extension.XAR Module Specifications||anchor="Hpackage.xml"]]