eclipse中常规菜单、工具栏
?????????????? id="JNewsCollector.TopElementImport"
?????????????? label="导出"/>
???????? <action
??????????????
?????????????? id="JNewsCollector.TopElementAutoTrace"
?????????????? label="开始跟踪"/>
??????? <action
?????????????
????? targetID="org.eclipse.ui.views.TaskList">
??? <action
????? id="com.xyz.showXYZ"
????? label="&Show XYZ"
????? style="toggle"
????? state="true"
????? menubarPath="additions"
????? icon="icons/showXYZ.gif"
????? helpContextId="com.xyz.show_action_context"
????? />
</viewerContribution>
</extension>

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