public synchronized ActionRendering action(ActionParams ap) throws OmException { arCurrent = new ActionRendering(); // Pass to document qd.action(ap); // Render current state if (!arCurrent.isSessionEnd()) { qd.render(arCurrent, false); } fixPlaceholders(arCurrent); ActionRendering ar = arCurrent; arCurrent = null; return ar; }
public Rendering init(Document d, InitParams initParams) throws OmException { this.ip = initParams; // Initialise available components and add question-specific components QComponentManager qcm = new QComponentManager(initParams); Element[] aeDefines = XML.getChildren(d.getDocumentElement(), "define-component"); for (int i = 0; i < aeDefines.length; i++) { String sClassName = null; try { sClassName = XML.getRequiredAttribute(aeDefines[i], "class"); qcm.register(Class.forName(sClassName)); } catch (XMLException e) { throw new OmDeveloperException("<define-component> is missing class= attribute"); } catch (ClassNotFoundException e) { throw new OmDeveloperException("<define-component>: " + sClassName + " cannot be found"); } } // Set resource classpath location if (d.getDocumentElement().hasAttribute("resources")) { sResourcePath = d.getDocumentElement().getAttribute("resources"); if (!sResourcePath.startsWith("/") || !sResourcePath.endsWith("/")) { throw new OmFormatException("<question> resources= must begin and end with /"); } } else { sResourcePath = null; } // Set not-so-random number if variant has been fixed if (initParams.hasFixedVariant()) nsr = new NotSoRandom(initParams.getFixedVariant()); // Build component tree qd = new QDocument(this, d, qcm); // Return Rendering r = new Rendering(); // User-overridable init init(); // Render current state to XHTML qd.render(r, true); fixPlaceholders(r); return r; }
/** * @param sID ID of desired component * @return Component object * @throws OmDeveloperException If it doesn't exist */ protected QComponent getComponent(String sID) throws OmDeveloperException { return qd.find(sID); }