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revision 1.2, Thu Feb 10 21:47:52 2005 UTC revision 1.3, Fri Feb 11 16:43:57 2005 UTC
# Line 104  Line 104 
104    that creates returns an instance of <code>ResourceMapping</code> explicitly    that creates returns an instance of <code>ResourceMapping</code> explicitly
105    when asked for one. This is a more straightforward approach but the least desirable    when asked for one. This is a more straightforward approach but the least desirable
106    as the model must have explicit knowledge of the adaptation to resources.</p>    as the model must have explicit knowledge of the adaptation to resources.</p>
107    <p>The implementation of the <code>ResourceMapping</code> subclass for a Java
108      package would look something like this.</p>
109    <pre style="background-color: rgb(204, 204, 255);">public class JavaPackageResourceMapping extends ResourceMapping {
110       IPackageFragment package;
111       ...
112       public getModelObject() {
113          return package;
114       }
115       public ResourceTraversals[] getTraversals(
116                 ResourceMappingContext context,
117                 IProgressMonitor monitor) {
118          return new ResourceTraversal[] {
119             new ResourceTraversal(
120                new IResource[] { package.getCorrespondingResource() },
121                IResource.DEPTH_ONE, IResource.NONE)
122          }
123       }
124    }</pre>
125    <p>This is a fairly straightforward mapping so the implementaion is not complex.
126      The complexity of the resource mapping implementation will, of course, vary
127      from model to model. The <code>EMFResourceMapping</code> example used above
128      is implemented in the example and it a much more complicated implementation.</p>
129  <h4>Contributing Menus to Resource Mappings</h4>  <h4>Contributing Menus to Resource Mappings</h4>
130  <p>Plug-ins that contribute extensions to adaptable extension points will have  <p>Plug-ins that contribute extensions to adaptable extension points will have
131    to make two changes to support the new <code>ResourceMapping</code> APIs:</p>    to make two changes to support the new <code>ResourceMapping</code> APIs:</p>
# Line 179  Line 201 
201    cannot be described by a simple traversal that is gauranteed to encompass those    cannot be described by a simple traversal that is gauranteed to encompass those
202    resources (and only those resources) that consitute the model. For example,    resources (and only those resources) that consitute the model. For example,
203    although the resources of a Java package may change over time, the package can    although the resources of a Java package may change over time, the package can
204    be described as a folder of depth one so a resource mapping for java packages    be described as a folder of depth of one so a resource mapping for java packages
205    would not ned to make use of the resource mapping context. </p>    would not ned to make use of the resource mapping context. </p>
206  <p>As a more complicated example, consider an HTML file that contains several  <p>As a more complicated example, consider an HTML file that contains several
207    images. Let's mak the assumption that any images references from an HTML file    images. Let's mak the assumption that any images references from an HTML file
# Line 249  Line 271 
271    <li>Would it be possible to add a workbench adapter to specific implementations    <li>Would it be possible to add a workbench adapter to specific implementations
272      IModelElement in order to get an image and label for a model element?</li>      IModelElement in order to get an image and label for a model element?</li>
273    <li>Can the user benefit from resource mappings in cases where the repository    <li>Can the user benefit from resource mappings in cases where the repository
274      provider isn't mapping aware?<br>      provider isn't mapping aware?</li>
275      <li>What about reposiory providers that cannot provide a remote mapping context?</li>
276      <li>What should a model provider do if they canno reliably determine the remote
277        model state? </li>
278      <li>Need to reference the example<br>
279    </li>    </li>
280  </ul>  </ul>
281  </body>  </body>
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