public static void initializeStyling(Display display, IEclipseContext appContext) {
String cssTheme = (String) appContext.get(E4Application.THEME_ID);
String cssURI = (String) appContext.get(E4Workbench.CSS_URI_ARG);
if (cssTheme != null) {
String cssResourcesURI = (String) appContext.get(E4Workbench.CSS_RESOURCE_URI_ARG);
Bundle bundle = WorkbenchSWTActivator.getDefault().getBundle();
BundleContext context = bundle.getBundleContext();
ServiceReference ref = context.getServiceReference(IThemeManager.class.getName());
IThemeManager mgr = (IThemeManager) context.getService(ref);
final IThemeEngine engine = mgr.getEngineForDisplay(display);
// Store the app context
IContributionFactory contribution =
(IContributionFactory) appContext.get(IContributionFactory.class.getName());
IEclipseContext cssContext = EclipseContextFactory.create();
cssContext.set(IContributionFactory.class.getName(), contribution);
display.setData("org.eclipse.e4.ui.css.context", cssContext); // $NON-NLS-1$
// Create the OSGi resource locator
if (cssResourcesURI != null) {
// TODO: Should this be set through an extension as well?
engine.registerResourceLocator(new OSGiResourceLocator(cssResourcesURI));
}
engine.restore(cssTheme);
// TODO Should we create an empty default theme?
appContext.set(IThemeEngine.class.getName(), engine);
appContext.set(
IStylingEngine.SERVICE_NAME,
new IStylingEngine() {
public void setClassname(Object widget, String classname) {
WidgetElement.setCSSClass((Widget) widget, classname);
engine.applyStyles((Widget) widget, true);
}
public void setId(Object widget, String id) {
WidgetElement.setID((Widget) widget, id);
engine.applyStyles((Widget) widget, true);
}
public void style(Object widget) {
engine.applyStyles((Widget) widget, true);
}
public CSSStyleDeclaration getStyle(Object widget) {
return engine.getStyle((Widget) widget);
}
public void setClassnameAndId(Object widget, String classname, String id) {
WidgetElement.setCSSClass((Widget) widget, classname);
WidgetElement.setID((Widget) widget, id);
engine.applyStyles((Widget) widget, true);
}
});
} else if (cssURI != null) {
String cssResourcesURI = (String) appContext.get(E4Workbench.CSS_RESOURCE_URI_ARG);
final CSSSWTEngineImpl engine = new CSSSWTEngineImpl(display, true);
WidgetElement.setEngine(display, engine);
if (cssResourcesURI != null) {
engine
.getResourcesLocatorManager()
.registerResourceLocator(new OSGiResourceLocator(cssResourcesURI.toString()));
}
// FIXME: is this needed?
display.setData("org.eclipse.e4.ui.css.context", appContext); // $NON-NLS-1$
appContext.set(
IStylingEngine.SERVICE_NAME,
new IStylingEngine() {
public void setClassname(Object widget, String classname) {
WidgetElement.setCSSClass((Widget) widget, classname);
engine.applyStyles((Widget) widget, true);
}
public void setId(Object widget, String id) {
WidgetElement.setID((Widget) widget, id);
engine.applyStyles((Widget) widget, true);
}
public void style(Object widget) {
engine.applyStyles((Widget) widget, true);
}
public CSSStyleDeclaration getStyle(Object widget) {
Element e = engine.getCSSElementContext(widget).getElement();
if (e == null) {
return null;
}
return engine.getViewCSS().getComputedStyle(e, null);
}
public void setClassnameAndId(Object widget, String classname, String id) {
WidgetElement.setCSSClass((Widget) widget, classname);
WidgetElement.setID((Widget) widget, id);
engine.applyStyles((Widget) widget, true);
}
});
URL url;
InputStream stream = null;
try {
url = FileLocator.resolve(new URL(cssURI));
stream = url.openStream();
engine.parseStyleSheet(stream);
} catch (MalformedURLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
Shell[] shells = display.getShells();
for (Shell s : shells) {
try {
s.setRedraw(false);
s.reskin(SWT.ALL);
engine.applyStyles(s, true);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
s.setRedraw(true);
}
}
}
CSSRenderingUtils cssUtils = ContextInjectionFactory.make(CSSRenderingUtils.class, appContext);
appContext.set(CSSRenderingUtils.class, cssUtils);
}
