[Ovirt-devel] [PATCH server] Version 1 of Revamped Tree Navigation. Take 3

[Scott Seago]

Jason Guiditta wrote:
> The new javascript tree widget contains the following features/changes from previous implementation:
>
> * The html for the list is dynamically generated using a javascript template system.  This will allow us to plug in different layouts per tree as the widget matures.
> * Updates to the tree are now incremental, rather than a full rip and replace as earlier. We have 2 states we currently look for - 'new' and 'changed'.  The first generates new html and appends it to the DOM, the second just does a replacement of the content of existing nodes.
> * Vastly simplified the markup and css.
> * Added calls where appropriate to refresh the tree before next planned call (for instance, if you add a new hardware pool).
> * Added slide effect when opening and closing a node of the tree.
> * Clicking the plus/minus opens/close the node only, does not load main content area.
> * Clicking anywhere to the right of that on a given node will load content area.
> * Added interim icons for 'smartpool' and 'add smartpool'
>
> Note that aside from the nav area, this should not impact the existing trees which have not been converted yet (all popups that have one), as this is a completely separate codebase with it's own js and css files.
>
> Related, but not technically part of the tree, I added a choose_layout method to allow testing of javascript components as we are building them to help eliminate possible side effects from other code.  When not in a production environment, you can pass in ?component_layout=[name] where [name] is the name of a shell rhtml file you have put in views/layouts/components.  As our UI is growing increasingly complex, I think this will be a very useful way to facilitate building components.
>
>   
Works for me

ACK, take 3