@Override public void apply() throws ConfigurationException { if (myApplyCompleted) { return; } try { EditorColorsManager myColorsManager = EditorColorsManager.getInstance(); myColorsManager.removeAllSchemes(); for (MyColorScheme scheme : mySchemes.values()) { if (!scheme.isDefault()) { scheme.apply(); myColorsManager.addColorsScheme(scheme.getOriginalScheme()); } } EditorColorsScheme originalScheme = mySelectedScheme.getOriginalScheme(); myColorsManager.setGlobalScheme(originalScheme); if (originalScheme != null && DarculaLaf.NAME.equals(originalScheme.getName()) && !UIUtil.isUnderDarcula()) { int ok = Messages.showYesNoDialog( "Darcula color scheme has been set for editors. Would you like to set Darcula as default Look and Feel?", "Darcula Look and Feel", Messages.getQuestionIcon()); if (ok == Messages.YES) { LafManager.getInstance().setCurrentLookAndFeel(new DarculaLookAndFeelInfo()); DarculaInstaller.install(); } } applyChangesToEditors(); reset(); } finally { myApplyCompleted = true; } }