<extension point="org.eclipse.ui.menus"> <menuContribution allPopups="false" locationURI="toolbar:org.eclipse.ui.main.toolbar?after=additions"> <toolbar id="toolbar.id" label="Label"> <command commandId="command1.id" icon="icons/refit.gif" label="Refit" style="push"> </command> <visibleWhen checkEnabled="false"> <with variable="activeEditorId"> <equals value="Editor1.id"> </equals> </with> </visibleWhen> </toolbar>