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== Browser Registry ==
EMF Facet contains a registry for model browsers. When a component needs to open a model in Eclipse, it can query the registry to find a suitable model browser. EMF Facet lets end users choose which model browser they want to use through an Eclipse preference page.
=== Registering a model browser ===
To register a model browser, you must use the '''org.eclipse.papyrus.emf.facet.util.emf.core''' extension point, and provide a subset or all of the following interfaces (through the '''ePackageViewer''', '''eObjectViewer''' and '''resourceViewer''' elements in the extension):
* implement '''IEPackageBrowserOpener''' if the model browser that your are registering can be opened on an EPackage
* implement '''IEObjectBrowserOpener''' if the model browser that your are registering can be opened on an EObject
* implement '''IResourceBrowserOpener''' if the model browser that your are registering can be opened on an EMF Resource.
=== Querying the registry ===
You can obtain an interface used to open a model browser by querying the registry. For example, to get all model browsers that can be opened on EObjects:
<code>List<IEObjectBrowserOpener> openers = IBrowserRegistry.INSTANCE.getAllRegisteredEObjectBrowsers();</code>
Or to get the default model browser for Resources:
<code>IResourceBrowserOpener defaultOpener = IBrowserRegistry.INSTANCE.getDefaultResourceBrowserOpener();</code>
You can also ask the registry to directly open the given Resource/EObject/EPackage. For example:
<code>IBrowserRegistry.INSTANCE.browseResource(targetModel);</code>
== Serialization ==
You can use extension point ''org.eclipse.papyrus.emf.facet.widgets.celleditors.serialization'' to specify an implementation for serializing specific types.
A serializer can be registered like this:
<extension point="org.eclipse.papyrus.emf.facet.util.emf.core.serialization">
<serializer class="com.example.MyTypeSerializer"/>
</extension>
<font size="-2">
Copyright (c) 2012 Mia-Software.
All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0.
</font>
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