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[wtp-dev] WTP Project Explorer migrated to Eclipse Common Navigator Framework

Extended Team,

First, let me remind you that the Eclipse Common Navigator framework remains a work in progress and with that said, the resulting explorer in WTP based on the eclipse framework is also a work in progress.  On the whole, the functionality of WTP 1.0.1 has basically been restored so I am at a good point to release to an integration build to start allowing adopters to react.  The changes for extenders should not be as drastic as they might be fearing and there is a logical replacement for everything.  The eclipse framework extension point schema documentation is really quite full and up to date so my advice is to go there, read it, become familiar with it, and use it as a reference.  There are some key things to note about the migration process:

There is a new plugin which defines the WTP extension to the eclipse common navigator: org.eclipse.wst.common.explorer.  This is done so that JST is not required.

Essentially, the new framework paradigm can be summed as you bind navigator contents to navigator viewers.  So you can add any existing content extensions to your viewer by just adding a binding to the content extensions id.

You will need to remove dependencies to the 3 old navigator plugins:

These plugins will be deprecated and removed in WTP 1.5 M6.  The new plugins are:
 and  hopefully also one from JDT, (the java content extension has not been implement yet!)

The extension point org.eclipse.wst.common.navigator.workbench.commonWizard is replaced by commonWizard under org.eclipse.ui.navigator.navigatorContent

The WTP viewer ID =  org.eclipse.wst.navigator.ui.WTPWorkingSetCommonNavigator was replaced by org.eclipse.wst.common.explorer.CommonProjectExplorer

Enablement expressions converted to org.eclipse.core.expressions.   "objectClass name=" goes to "instanceof value="  especially in common wizard extensions.  For example:
<test property="org.eclipse.core.resources.projectNature"

You can also test facet enablement by using
<instanceof value="org.eclipse.core.resources.IProject"/>
                   <test property="org.eclipse.wst.common.project.facet.core.projectFacet"

You must switch your dynamic adapter factories to reference this new viewer ID to display content properly: org.eclipse.wst.common.explorer.CommonProjectExplorer.

The j2ee project creation/import/export wizard ids were changed to be the name of the wizard class for consistency as API.

Once again, the java content is also not ready from base eclipse JDT.  For now, make use of the java perspective in tandem.

Also, you will notice we have gotten rid of the groupings.  This is a preliminary decision as many users did not find them useful.  We may add back an option later when we have the working set support from eclipse.

This is targetted for the WTP 1.5 I build for Thursday February 16th.  Please plan accordingly.  If you have any questions, caveats, and concerns, feel free to contact me.  


John Lanuti
Software Engineer, IBM Rational
t/l 441-7861

"I know this lady way down in my country.
She is so pretty that my eyes throw disguises at me.
Now we will sit and we'll wonder about our future,
But now I'm thinking that today sounds fine to me."  - Of A Revolution

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