Examples with IHighlightingConfiguration org.eclipse.xtext.ui.editor.syntaxcoloring.IHighlightingConfiguration used on opensource projects

Example 1 with IHighlightingConfiguration

use of org.eclipse.xtext.ui.editor.syntaxcoloring.IHighlightingConfiguration in project xtext-xtend by eclipse.

the class XtendThemeManager method handleEvent.

@Override
public void handleEvent(Event event) {
    if (!IThemeEngine.Events.THEME_CHANGED.equals(event.getTopic())) {
        return;
    }
    IThemeEngine themeEngine = PlatformUI.getWorkbench().getService(IThemeEngine.class);
    ITheme theme = themeEngine.getActiveTheme();
    IEclipsePreferences preferences = InstanceScope.INSTANCE.getNode(ORG_ECLIPSE_XTEND_CORE_XTEND);
    if (!theme.getId().contains("dark")) {
        // resetting from dark theme does not work the same way
        // as a workaround reset the preferences by evaluating the XtendHighlightingConfiguration
        IHighlightingConfiguration highlightingConfiguration = new XtendHighlightingConfiguration();
        highlightingConfiguration.configure((id, name, style) -> {
            setColorPreference(preferences, getSyntaxHightlightingPreferenceKey(id, COLOR_SUFFIX), style.getColor());
            setColorPreference(preferences, getSyntaxHightlightingPreferenceKey(id, BACKGROUNDCOLOR_SUFFIX), style.getBackgroundColor());
            String styleKey = getSyntaxHightlightingPreferenceKey(id, STYLE_SUFFIX);
            int styleMask = style.getStyle();
            if (preferences.getInt(styleKey, -1) != -1) {
                preferences.remove(styleKey);
            }
            if (styleMask > 0) {
                preferences.putInt(styleKey, styleMask);
            }
        });
    }
    themeEngine.applyStyles(preferences, false);
}