gistfile1.java

protected void renderYUI3Instance(HtmlContentWriter container, String component, String constructor) throws IOException {
    
    writeInlineScript(container, new YUI3Instance(component, constructor));
}

// …

private class YUI3Instance implements TextContent {
	
	private String component;
	private String constructor;
	private TextContent content;
	private String[] useModules;
	
	public YUI3Instance(String component, String constructor) {
		
		this.component = component;
		this.constructor = constructor;
	}
	
	public YUI3Instance(TextContent content, String...useModules) {
		
		this.content = content;
		this.useModules = useModules;
	}
	
	public void writeTo(Writer script) throws IOException {
		
		String configs = null;
		Collection<YUI3ModuleGroup> groups = app().yui3Config.getGroups();
		if ( ! groups.isEmpty()) {
			StringBuilder b = new StringBuilder();
			for (YUI3ModuleGroup group : groups)
				b.append("window.").append(group.getName()).append("_config, ");
			configs = b.toString();
		}
		
		script.write("YUI(");
		
		if (configs != null)
			script.write(configs);
		
		app().yui3Config.writeTo(script, false, isSecureRequest(), isDebug(), getLogInclude());
		
		script.write(")");
		
		if (component != null && constructor != null)
			writeComponentInstance(script);
		else
			writeInstance(script);
	}
	
	private void writeInstance(Writer script) throws IOException {
		
		if (useModules != null && useModules.length > 0) {
			script.write(".use(");
			for (String m : useModules)
				script.append("'").append(m).append("', ");
		} else {
			script.write(".use('*', ");
		}
		
		script.write("function(Y){");
			
			content.writeTo(script);	
	
		script.write("});");
	}
	
	private void writeComponentInstance(Writer script) throws IOException {
		
		script.write(".use('"+ component +"', function(Y){");
			
			script.write("(new " + constructor + "(");
				JSONWriter json = JSON.jsonWriter(script);
				writeWindowConfigJSON(json.object());
				json.close();
			script.write("));");	
	
		script.write("});");
	}
	
}