| How to Use Eclipse EMF Resource Edit Model Extension [message #180656] |
Thu, 05 October 2006 15:21 |
Eclipse User |
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Originally posted by: rajesh.jain.compuware.com
<newbie>
I am trying to understand the usage of
org.eclipse.wst.common.emfworkbench.integration.editModel extension? Any
information or where to find more info on how to use this for EMF Editor? Or
am I going in a wrong direction.
The help topic for this is:
http://help.eclipse.org/help32/index.jsp?topic=/org.eclipse. wst.doc.isv/reference/extension-points/web/org_eclipse_wst_c ommon_emfworkbench_integration_editModelExtension.html
(below) is vague on how to use it for beginner
EMF Resource Edit Model
Identifier:
org.eclipse.wst.common.emfworkbench.integration.editModel
Since:
1.0
Description:
Edit models provide a framework for managing a set of EMF resources within a
unit of work. For example, a workspace operation may affect a change to
multiple EMF resources. Edit models provide basic services such as loads,
saves (when necessary), and validate edit for the managed resources. Edit
models are reference counted, therefore a single instance of an edit model
can be shared by more than one operation or editor. By declaring an edit
model, a plugin provider enables other components to contribute resources to
be managed by that edit model.
Configuration Markup:
<!ELEMENT extension (editModel+)>
<!ATTLIST extension
point CDATA #REQUIRED
id CDATA #IMPLIED
name CDATA #IMPLIED>
point - a fully qualified identifier of the target extension point
id - an optional identifier of the extension instance
name - an optional name of the extension instance
<!ELEMENT editModel (editModelResource+)>
<!ATTLIST editModel
editModelID CDATA #REQUIRED
factoryClass CDATA #REQUIRED
loadUnknownResourcesAsReadOnly (true | false)
parentModelID CDATA #IMPLIED>
The declaration for an edit model to be used in the workspace.
editModelID - A unique identifier for the edit model.
factoryClass - An optional factory class that is used for this edit model.
The class must implement the interface
org.eclipse.wst.common.internal.emfworkbench.integration.Edi tModelFactory.
If none is specified, then a generic EditModel is created.
loadUnknownResourcesAsReadOnly -
parentModelID -
<!ELEMENT editModelResource EMPTY>
<!ATTLIST editModelResource
URI CDATA #REQUIRED
autoload (true | false) "false">
This is an individual contribution of a resource to the edit model. If more
than one instance of the same URI is registered against an edit model id,
the resource is still only loaded once.
URI - The URI of the resource relative to the root container from which EMF
resources are loaded.
autoload - Indicator which determines whether this resource should be
autoloaded when the edit model is created, or when an IFile corresponding to
this resource is added.
Examples:
<extension
id="editModel.acme.parent"
name="Acme Parent Edit Model"
point="org.eclipse.wst.common.emfworkbench.integration.editModel ">
<editModel
editModelID="com.acme.acmepro.parent.editModel"
factoryClass=" org.eclipse.wst.common.internal.emfworkbench.integration.Edi tModelFactory ">
<editModelResource URI="DIR/resource0.xml"/>
<editModelResource URI="DIR/resource1.xml"/>
</editModel>
</extension>
<extension
id="editModel.acme.child"
name="Acme Child Edit Model"
point="org.eclipse.wst.common.emfworkbench.integration.editModel ">
<editModel
editModelID="com.acme.acmepro.child.editModel"
factoryClass=" org.eclipse.wst.common.internal.emfworkbench.integration.Edi tModelFactory "
parentModelID="com.acme.acmepro.parent.editModel">
<editModelResource URI="DIR/resource2.xml"/>
<editModelResource URI="DIR/resource3.xml"/>
</editModel>
</extension>
API Information:
Edit Models can be accessed through the
org.eclipse.wst.common.internal.emfworkbench.EMFWorkbenchCon text.
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