schema.preferences.exsd Maven / Gradle / Ivy
The preferences extension point allows plug-ins to add new preference scopes to the Eclipse preference mechanism as well as specify the class to run to initialize default preference values at runtime.
Element describing a client's definiton of a new preference scope.
The name of the scope.
The name of the class.
Element which defines the class to use for runtime preference initialization.
The name of the class.
Element which defines the class to use for preference modification listening.
The name of the class.
3.0
Following is an example of a preference scope declaration. This example declares that this plug-in will provide a preference implementation for the scope "foo". It also declares that when the default values are loaded for this plug-in, the class "MyPreferenceInitializer" contains code to be run to initialize preference default values at runtime.
<p>
<pre>
<extension point="org.eclipse.core.runtime.preferences">
<scope name="foo" class="com.example.FooPrefs"/>
<initializer class="com.example.MyPreferenceInitializer"/>
<modifier class="com.example.MyModifyListener"/>
</extension>
</pre>
</p>
Supplied preference initializers must subclass <code>org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer</code>. Preference modify listeners must subclass <code>org.eclipse.core.runtime.preferences.PreferenceModifyListener</code>. The preference service (obtained by calling <code>org.eclipse.core.runtime.Platform.getPreferencesService()</code>) is the hook into the Eclipse preference mechanism.
The org.eclipse.core.runtime plug-in provides preference implementations for the "configuration", "instance", and "default" scopes. The org.eclipse.core.resources plug-in provides an implementation for "project" preferences.
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