--- /dev/null
+package org.argeo.cms.util;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.jcr.Repository;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.security.Privilege;
+import javax.jcr.version.VersionManager;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.cms.CmsConstants;
+import org.argeo.cms.CmsException;
+import org.argeo.cms.CmsSession;
+import org.argeo.cms.CmsUiProvider;
+import org.argeo.cms.LifeCycleUiProvider;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.gemini.blueprint.context.BundleContextAware;
+import org.eclipse.rap.rwt.application.Application;
+import org.eclipse.rap.rwt.application.Application.OperationMode;
+import org.eclipse.rap.rwt.application.ApplicationConfiguration;
+import org.eclipse.rap.rwt.application.EntryPoint;
+import org.eclipse.rap.rwt.application.EntryPointFactory;
+import org.eclipse.rap.rwt.application.ExceptionHandler;
+import org.eclipse.rap.rwt.client.WebClient;
+import org.eclipse.rap.rwt.service.ResourceLoader;
+import org.osgi.framework.BundleContext;
+
+/** A basic generic app based on {@link SimpleErgonomics}. */
+public class SimpleApp implements CmsConstants, ApplicationConfiguration,
+ BundleContextAware {
+ private final static Log log = LogFactory.getLog(SimpleApp.class);
+
+ private Map<String, Map<String, String>> branding = new HashMap<String, Map<String, String>>();
+ private Map<String, List<String>> styleSheets = new HashMap<String, List<String>>();
+
+ private List<String> resources = new ArrayList<String>();
+
+ private BundleContext bundleContext;
+
+ private Repository repository;
+ private String workspace = null;
+ private String basePath = "/";
+ private List<String> roPrincipals = Arrays.asList("anonymous", "everyone");
+ private List<String> rwPrincipals = Arrays.asList("everyone");
+
+ private CmsUiProvider header;
+ private Map<String, CmsUiProvider> pages = new LinkedHashMap<String, CmsUiProvider>();
+
+ private Integer headerHeight = 40;
+
+ public void configure(Application application) {
+ try {
+ application.setOperationMode(OperationMode.SWT_COMPATIBILITY);
+ application.setExceptionHandler(new CmsExceptionHandler());
+
+ // loading animated gif
+ application.addResource(LOADING_IMAGE,
+ createResourceLoader(LOADING_IMAGE));
+ // empty image
+ application.addResource(NO_IMAGE, createResourceLoader(NO_IMAGE));
+
+ for (String resource : resources) {
+ application.addResource(resource, new BundleResourceLoader(
+ bundleContext));
+ if (log.isDebugEnabled())
+ log.debug("Registered resource " + resource);
+ }
+
+ Map<String, String> defaultBranding = null;
+ if (branding.containsKey("*"))
+ defaultBranding = branding.get("*");
+
+ // entry points
+ for (String page : pages.keySet()) {
+ Map<String, String> properties = defaultBranding != null ? new HashMap<String, String>(
+ defaultBranding) : new HashMap<String, String>();
+ if (branding.containsKey(page)) {
+ properties.putAll(branding.get(page));
+ }
+ // favicon
+ if (properties.containsKey(WebClient.FAVICON)) {
+ String faviconRelPath = properties.get(WebClient.FAVICON);
+ application.addResource(faviconRelPath,
+ new BundleResourceLoader(bundleContext));
+ if (log.isTraceEnabled())
+ log.trace("Registered favicon " + faviconRelPath);
+
+ }
+
+ // page title
+ if (!properties.containsKey(WebClient.PAGE_TITLE))
+ properties.put(
+ WebClient.PAGE_TITLE,
+ Character.toUpperCase(page.charAt(0))
+ + page.substring(1));
+
+ // default body HTML
+ if (!properties.containsKey(WebClient.BODY_HTML))
+ properties.put(WebClient.BODY_HTML, DEFAULT_LOADING_BODY);
+
+ //
+ // ADD ENTRY POINT
+ //
+ application.addEntryPoint("/" + page, new CmsEntryPointFactory(
+ pages.get(page), repository, workspace, properties),
+ properties);
+ log.info("Registered entry point /" + page);
+ }
+
+ // stylesheets
+ for (String themeId : styleSheets.keySet()) {
+ List<String> cssLst = styleSheets.get(themeId);
+ for (String css : cssLst) {
+ application.addStyleSheet(themeId, css,
+ new BundleResourceLoader(bundleContext));
+ }
+
+ }
+ } catch (RuntimeException e) {
+ // Easier access to initialisation errors
+ log.error("Unexpected exception when configuring RWT application.",
+ e);
+ throw e;
+ }
+ }
+
+ public void init() throws RepositoryException {
+ Session session = null;
+ try {
+ session = JcrUtils.loginOrCreateWorkspace(repository, workspace);
+ VersionManager vm = session.getWorkspace().getVersionManager();
+ if (!vm.isCheckedOut("/"))
+ vm.checkout("/");
+ JcrUtils.mkdirs(session, basePath);
+ for (String principal : rwPrincipals)
+ JcrUtils.addPrivilege(session, basePath, principal,
+ Privilege.JCR_WRITE);
+ for (String principal : roPrincipals)
+ JcrUtils.addPrivilege(session, basePath, principal,
+ Privilege.JCR_READ);
+
+ for (String pageName : pages.keySet()) {
+ try {
+ initPage(session, pages.get(pageName));
+ session.save();
+ } catch (Exception e) {
+ throw new CmsException(
+ "Cannot initialize page " + pageName, e);
+ }
+ }
+
+ } finally {
+ JcrUtils.logoutQuietly(session);
+ }
+ }
+
+ protected void initPage(Session adminSession, CmsUiProvider page)
+ throws RepositoryException {
+ if (page instanceof LifeCycleUiProvider)
+ ((LifeCycleUiProvider) page).init(adminSession);
+ }
+
+ public void destroy() {
+ for (String pageName : pages.keySet()) {
+ try {
+ CmsUiProvider page = pages.get(pageName);
+ if (page instanceof LifeCycleUiProvider)
+ ((LifeCycleUiProvider) page).destroy();
+ } catch (Exception e) {
+ log.error("Cannot destroy page " + pageName, e);
+ }
+ }
+ }
+
+ public void setRepository(Repository repository) {
+ this.repository = repository;
+ }
+
+ public void setWorkspace(String workspace) {
+ this.workspace = workspace;
+ }
+
+ public void setHeader(CmsUiProvider header) {
+ this.header = header;
+ }
+
+ public void setPages(Map<String, CmsUiProvider> pages) {
+ this.pages = pages;
+ }
+
+ public void setBasePath(String basePath) {
+ this.basePath = basePath;
+ }
+
+ public void setRoPrincipals(List<String> roPrincipals) {
+ this.roPrincipals = roPrincipals;
+ }
+
+ public void setRwPrincipals(List<String> rwPrincipals) {
+ this.rwPrincipals = rwPrincipals;
+ }
+
+ public void setHeaderHeight(Integer headerHeight) {
+ this.headerHeight = headerHeight;
+ }
+
+ public void setBranding(Map<String, Map<String, String>> branding) {
+ this.branding = branding;
+ }
+
+ public void setStyleSheets(Map<String, List<String>> styleSheets) {
+ this.styleSheets = styleSheets;
+ }
+
+ public void setBundleContext(BundleContext bundleContext) {
+ this.bundleContext = bundleContext;
+ }
+
+ public void setResources(List<String> resources) {
+ this.resources = resources;
+ }
+
+ class CmsExceptionHandler implements ExceptionHandler {
+
+ @Override
+ public void handleException(Throwable throwable) {
+ CmsSession.current.get().exception(throwable);
+ }
+
+ }
+
+ private class CmsEntryPointFactory implements EntryPointFactory {
+ private final CmsUiProvider page;
+ private final Repository repository;
+ private final String workspace;
+ private final Map<String, String> properties;
+
+ public CmsEntryPointFactory(CmsUiProvider page, Repository repository,
+ String workspace, Map<String, String> properties) {
+ this.page = page;
+ this.repository = repository;
+ this.workspace = workspace;
+ this.properties = properties;
+ }
+
+ @Override
+ public EntryPoint create() {
+ SimpleErgonomics entryPoint = new SimpleErgonomics(repository,
+ workspace, basePath, page, properties);
+ // entryPoint.setState("");
+ entryPoint.setHeader(header);
+ entryPoint.setHeaderHeight(headerHeight);
+ CmsSession.current.set(entryPoint);
+ return entryPoint;
+ }
+
+ }
+
+ private static ResourceLoader createResourceLoader(final String resourceName) {
+ return new ResourceLoader() {
+ public InputStream getResourceAsStream(String resourceName)
+ throws IOException {
+ return getClass().getClassLoader().getResourceAsStream(
+ resourceName);
+ }
+ };
+ }
+
+ // private static ResourceLoader createUrlResourceLoader(final URL url) {
+ // return new ResourceLoader() {
+ // public InputStream getResourceAsStream(String resourceName)
+ // throws IOException {
+ // return url.openStream();
+ // }
+ // };
+ // }
+
+ /*
+ * TEXTS
+ */
+ private static String DEFAULT_LOADING_BODY = "<div"
+ + " style=\"position: absolute; left: 50%; top: 50%; margin: -32px -32px; width: 64px; height:64px\">"
+ + "<img src=\"./rwt-resources/" + LOADING_IMAGE
+ + "\" width=\"32\" height=\"32\" style=\"margin: 16px 16px\"/>"
+ + "</div>";
+}