CmsApplication.java

   1 package org.argeo.cms;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.util.ArrayList;
   6 import java.util.HashMap;
   7 import java.util.List;
   8 import java.util.Map;
   9
  10 import org.apache.commons.logging.Log;
  11 import org.apache.commons.logging.LogFactory;
  12 import org.eclipse.gemini.blueprint.context.BundleContextAware;
  13 import org.eclipse.rap.rwt.application.Application;
  14 import org.eclipse.rap.rwt.application.Application.OperationMode;
  15 import org.eclipse.rap.rwt.application.ApplicationConfiguration;
  16 import org.eclipse.rap.rwt.application.EntryPointFactory;
  17 import org.eclipse.rap.rwt.application.ExceptionHandler;
  18 import org.eclipse.rap.rwt.client.WebClient;
  19 import org.eclipse.rap.rwt.service.ResourceLoader;
  20 import org.osgi.framework.BundleContext;
  21
  22 /** Configures an Argeo CMS RWT application. */
  23 public class CmsApplication implements CmsConstants, ApplicationConfiguration,
  24                 BundleContextAware {
  25         final static Log log = LogFactory.getLog(CmsApplication.class);
  26
  27         private Map<String, EntryPointFactory> entryPoints = new HashMap<String, EntryPointFactory>();
  28         private Map<String, Map<String, String>> entryPointsBranding = new HashMap<String, Map<String, String>>();
  29         private Map<String, List<String>> styleSheets = new HashMap<String, List<String>>();
  30
  31         private List<String> resources = new ArrayList<String>();
  32
  33         // private Bundle clientScriptingBundle;
  34         private BundleContext bundleContext;
  35
  36         public void configure(Application application) {
  37                 try {
  38                         application.setOperationMode(OperationMode.SWT_COMPATIBILITY);
  39                         application.setExceptionHandler(new CmsExceptionHandler());
  40
  41                         // TODO load all pics under icons
  42                         // loading animated gif
  43                         application.addResource(LOADING_IMAGE,
  44                                         createResourceLoader(LOADING_IMAGE));
  45                         // empty image
  46                         application.addResource(NO_IMAGE, createResourceLoader(NO_IMAGE));
  47
  48                         for (String resource : resources) {
  49                                 application.addResource(resource, new BundleResourceLoader(
  50                                                 bundleContext));
  51                                 if (log.isDebugEnabled())
  52                                         log.debug("Registered resource " + resource);
  53                         }
  54
  55                         // entry points
  56                         for (String entryPoint : entryPoints.keySet()) {
  57                                 Map<String, String> properties = new HashMap<String, String>();
  58                                 if (entryPointsBranding.containsKey(entryPoint)) {
  59                                         properties = entryPointsBranding.get(entryPoint);
  60                                         if (properties.containsKey(WebClient.FAVICON)) {
  61                                                 String faviconRelPath = properties
  62                                                                 .get(WebClient.FAVICON);
  63                                                 application.addResource(faviconRelPath,
  64                                                                 new BundleResourceLoader(bundleContext));
  65                                                 if (log.isTraceEnabled())
  66                                                         log.trace("Registered favicon " + faviconRelPath);
  67
  68                                         }
  69
  70                                         if (!properties.containsKey(WebClient.BODY_HTML))
  71                                                 properties.put(WebClient.BODY_HTML,
  72                                                                 DEFAULT_LOADING_BODY);
  73                                 }
  74
  75                                 application.addEntryPoint("/" + entryPoint,
  76                                                 entryPoints.get(entryPoint), properties);
  77                                 log.info("Registered entry point /" + entryPoint);
  78                         }
  79
  80                         // stylesheets
  81                         for (String themeId : styleSheets.keySet()) {
  82                                 List<String> cssLst = styleSheets.get(themeId);
  83                                 for (String css : cssLst) {
  84                                         application.addStyleSheet(themeId, css,
  85                                                         new BundleResourceLoader(bundleContext));
  86                                 }
  87
  88                         }
  89
  90 //                      application.addPhaseListener(new CmsPhaseListener());
  91
  92                 } catch (RuntimeException e) {
  93                         // Easier access to initialisation errors
  94                         log.error("Unexpected exception when configuring RWT application.",
  95                                         e);
  96                         throw e;
  97                 }
  98         }
  99
 100         private static ResourceLoader createResourceLoader(final String resourceName) {
 101                 return new ResourceLoader() {
 102                         public InputStream getResourceAsStream(String resourceName)
 103                                         throws IOException {
 104                                 return getClass().getClassLoader().getResourceAsStream(
 105                                                 resourceName);
 106                         }
 107                 };
 108         }
 109
 110         public void setEntryPoints(
 111                         Map<String, EntryPointFactory> entryPointFactories) {
 112                 this.entryPoints = entryPointFactories;
 113         }
 114
 115         public void setEntryPointsBranding(
 116                         Map<String, Map<String, String>> entryPointBranding) {
 117                 this.entryPointsBranding = entryPointBranding;
 118         }
 119
 120         public void setStyleSheets(Map<String, List<String>> styleSheets) {
 121                 this.styleSheets = styleSheets;
 122         }
 123
 124         public void setBundleContext(BundleContext bundleContext) {
 125                 this.bundleContext = bundleContext;
 126         }
 127
 128         public void setResources(List<String> resources) {
 129                 this.resources = resources;
 130         }
 131
 132         class CmsExceptionHandler implements ExceptionHandler {
 133
 134                 @Override
 135                 public void handleException(Throwable throwable) {
 136                         CmsSession.current.get().exception(throwable);
 137                 }
 138
 139         }
 140
 141 //      class CmsPhaseListener implements PhaseListener {
 142 //              private static final long serialVersionUID = -1966645586738534609L;
 143 //
 144 //              @Override
 145 //              public PhaseId getPhaseId() {
 146 //                      return PhaseId.RENDER;
 147 //              }
 148 //
 149 //              @Override
 150 //              public void beforePhase(PhaseEvent event) {
 151 //                      CmsSession cmsSession = CmsSession.current.get();
 152 //                      String state = cmsSession.getState();
 153 //                      if (state == null)
 154 //                              cmsSession.navigateTo("~");
 155 //              }
 156 //
 157 //              @Override
 158 //              public void afterPhase(PhaseEvent event) {
 159 //              }
 160 //      }
 161
 162         /*
 163          * TEXTS
 164          */
 165         private static String DEFAULT_LOADING_BODY = "<div"
 166                         + " style=\"position: absolute; left: 50%; top: 50%; margin: -32px -32px; width: 64px; height:64px\">"
 167                         + "<img src=\"./rwt-resources/icons/loading.gif\" width=\"32\" height=\"32\" style=\"margin: 16px 16px\"/>"
 168                         + "</div>";
 169 }