public void insertTab( final VirtualFile file, final Icon icon, final JComponent comp, final String tooltip, final int indexToInsert) { TabInfo tab = myTabs.findInfo(file); if (tab != null) return; tab = new TabInfo(comp) .setText(calcTabTitle(myProject, file)) .setIcon(icon) .setTooltipText(tooltip) .setObject(file) .setTabColor(calcTabColor(myProject, file)) .setDragOutDelegate(myDragOutDelegate); tab.setTestableUi(new MyQueryable(tab)); final DefaultActionGroup tabActions = new DefaultActionGroup(); tabActions.add(new CloseTab(comp, tab)); tab.setTabLabelActions(tabActions, ActionPlaces.EDITOR_TAB); myTabs.addTab(tab, indexToInsert); }