Examples of org.apache.wicket.ResourceReference

org.apache.wicket.ResourceReference
ResourceReference is essentially a reference to an actual resource which is shared through the Application. A ResourceReference has a name and a scope (within which the name must be unique). It may also have a locale or style. The locale and/or style do not need to be set on a resource reference because those values will automatically be determined based on the context in which the resource is being used. For example, if a ResourceReference is attached to an Image component, when the locale for the page switches, the Image component will notice this and automatically change the locale for the referenced resource as appropriate. It's for this reason that you don't typically have to use the constructor overloads taking a Locale or style (these details are essentially internal and so the framework uses setLocale/setStyle internally so you don't have to worry about it).
Package resources (resources which can be pulled from the classpath) do not have to be pre-registered. For custom situations though, resources may be added to the Application when the Application is constructed using {@link Application#getSharedResources()} followed by{@link SharedResources#add(Class,String,Locale,String,Resource)}, {@link SharedResources#add(String,Locale,Resource)}or {@link SharedResources#add(String,Resource)}.
If a component has its own shared resource which should not be added to the application construction logic in this way, it can lazy-initialize the resource by overriding the {@link #newResource()} method. In this method, the component should supply logic that creates theshared resource. By default the {@link #newResource()} method tries to resolve to a packageresource. @author Jonathan Locke

                        {
                            SiteTreeNode siteModel = (SiteTreeNode) ((DefaultMutableTreeNode) nodeModel
                                    .getObject()).getUserObject();
                            if (siteModel.getDocType() == SiteTreeNode.FileType.Folder)
                            {
                                return new ResourceReference(PortalTree.class,
                                        path + "/folder.gif");
                            } else if (siteModel.getDocType() == SiteTreeNode.FileType.Page)
                            {
                                return new ResourceReference(PortalTree.class,
                                        path + "/page.gif");
                            } else if (siteModel.getDocType() == SiteTreeNode.FileType.Link) { return new ResourceReference(
                                    PortalTree.class, path + "/link.gif"); }
                            return new ResourceReference(PortalTree.class, path
                                    + "/folder_closed.gif");
                        }
                    };
                }
            };

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        Fragment newFragment = new Fragment("new", NEW_FRAGMENT_ID, this);
        buildNew(newFragment);
        form.add(newFragment);
        
        form.add(new Image("add", new ResourceReference(EditorTemplate.class, "add.png")));


        WebMarkupContainer footer = new WebMarkupContainer("footer");
        Button saveButton = saveButton("save");
        saveButton.setDefaultModel(new ResourceModel("pam.details.action.save"));
        footer.add(saveButton);

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            super(id, model);
            ApplicationBean pa = (ApplicationBean) model.getObject();
            
            if (pa.isRunning())
            {
                add(new Image("running", new ResourceReference(ApplicationsListHome.class, "running.gif")));
            }
            else
            {
                add(new Image("running", new ResourceReference(ApplicationsListHome.class, "stop.gif")));
            }
        }

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                }


                @Override
                protected CharSequence getIconUrl()
                {
                    return RequestCycle.get().urlFor(new ResourceReference(YUIDateField.class, "calendar.gif"));
                }
            });
            
            if (displayTz) {
                DateLabel tzLabel = DateLabel.withConverter("timezone", model, new TimeZoneConverter() );

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    public ImageLabel(String id, Class<? extends Component> component, String imageName, final String altText)
    {
        super(id);
        setRenderBodyOnly(true);


        add( new ImageWithAltText("i", new ResourceReference(component, imageName), altText) );
    }

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            setFieldParameters(dateField);
            fragment.add(dateField);
    
            DatePickerSettings settings = new DatePickerSettings();
            settings.setStyle( settings.newStyleWinter() );
            settings.setIcon( new ResourceReference(this.getClass(), "calendar.gif") );
    
            DatePicker picker = new PopupDatePicker("datePicker", dateField, settings);
            // This sucks! It expects a DateConverter. I've got my own.
            DateConverter dateConverter = new DateConverter() {
                private static final long serialVersionUID = 1L;

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      protected void populateItem(ListItem<XmlSection> item) {
        XmlSection sec3 = item.getModelObject();
        ContentLoc loc = new ContentLoc(sec3);
        BookmarkablePageLink<ISIStandardPage> link = new SectionLinkFactory().linkToPage("link", sec3);
        if (locsWithUnread.contains(loc.getLocation()))
          link.add(new Image("messageIcon", new ResourceReference("img/icons/envelope_new.png")));
        else if (locsWithMessages.contains(loc.getLocation()))
          link.add(new Image("messageIcon", new ResourceReference("img/icons/envelope_old.png")));
        else
          link.add(new WebMarkupContainer("messageIcon").setVisible(false));
        item.add(link);
        link.add(new Label("number", String.valueOf(++pageNum)).setRenderBodyOnly(true));
      }

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  @Override
  public void renderHead(final IHeaderResponse response) {
    renderThemeCSS(response, "css/login.css");
    renderThemeCSS(response, "css/main.css");
    // setup jwplayer to enable videos to be run on the login page
    response.renderJavascriptReference(new ResourceReference(MediaPlayerPanel.class, "jwplayer.js"));
    super.renderHead(response);
  }

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      if (typeMD != null) {
        if (thisType.getName().equals("SVG") && typeMD.getFragments() != null) {
          // Drawing starters - need to convert to URLs.
          ArrayList<String> urls = new ArrayList<String>(typeMD.getFragments().size());
          for (String frag : typeMD.getFragments()) {
            ResourceReference fragResourceRef = ((IRelativeLinkSource)xmlFile).getRelativeReference(frag);
            String url = RequestCycle.get().urlFor(fragResourceRef).toString();
            if (url != null)
              urls.add(url);
            else
              log.warn("Drawing stamp image does not exist: {}", frag);
          }
          setStarters(urls);
        } else {
          // Sentence starters
          this.setStarters(typeMD.getFragments());
        }
        // Template
        if (typeMD.getTemplates() != null && !typeMD.getTemplates().isEmpty()) {
          String templateRelativePath = typeMD.getTemplates().get(0);  // path from xml file
          ResourceReference templateResourceRef = ((IRelativeLinkSource)xmlFile).getRelativeReference(templateRelativePath);
          this.setTemplateURL(RequestCycle.get().urlFor(templateResourceRef).toString());
        }
      }
    }
    super.onInitialize();

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      Label thumbRatingDescription = new Label(wicketId, new ResourceModel("thumbRatingPanel.ratingDescription", "Rate It:"));
      return thumbRatingDescription;


    } else if (wicketId.startsWith("mediaThumbImage_")) {
      String src = elt.getAttribute("src");
      ResourceReference imgRef = getRelativeRef(src);
      Image image = new Image(wicketId, imgRef) {
        private static final long serialVersionUID = 1L;


        @Override
        protected void onComponentTag(final ComponentTag tag)
        {
          super.onComponentTag(tag);
            tag.put("width", elt.getAttribute("width"));
            tag.put("height", elt.getAttribute("height"));
        }
      };      
      return image;
      
    } else if (wicketId.startsWith("mediaThumbLink_")) {      
      String videoId = elt.getAttributeNS(null, "videoId");
      XmlSectionModel currentSectionModel = getModel();      
      VideoLink videoLink = new VideoLink(wicketId, videoId, currentSectionModel);
      videoLink.add(new AttributeRemover("videoId"));
      return videoLink;


    } else if (wicketId.startsWith("videoplayer_")) {
      final String videoSrc = elt.getAttribute("src");
      ResourceReference videoRef = getRelativeRef(videoSrc);
      String videoUrl = RequestCycle.get().urlFor(videoRef).toString();


      Integer width = Integer.valueOf(elt.getAttribute("width"));
      Integer height = Integer.valueOf(elt.getAttribute("height"));
      String preview = elt.getAttribute("poster");
      String captions = elt.getAttribute("captions");
      String audioDescription = elt.getAttribute("audiodescription");
      
      MediaPlayerPanel comp = new MediaPlayerPanel(wicketId, videoUrl, width, height) {
        private static final long serialVersionUID = 1L;
        @Override
        public void onPlay (String status) {
          if (cwmSessionService.isSignedIn())
            eventService.saveEvent("video:view", "id=" + elt.getAttribute("videoId") + ",state=" + status, contentPage);
        }
      };


      comp.setFullScreen(true);
      comp.setUseOnPlay(true);


      if (!Strings.isEmpty(preview))
        comp.setPreview(getRelativeRef(preview));
      
      if (!Strings.isEmpty(captions))
        comp.setCaptionFile(getRelativeRef(captions));
      
      if (!Strings.isEmpty(audioDescription))
        comp.setAudioDescriptionFile(getRelativeRef(audioDescription));
      
      comp.add(new AttributeRemover("src", "width", "height", "poster", "captions", "audiodescription", "videoId"));
      
      return comp;


    } else if (wicketId.startsWith("audioplayer_")) {
      String audioSrc = elt.getAttribute("src");
      ResourceReference audioRef = getRelativeRef(audioSrc);
      String audioUrl = RequestCycle.get().urlFor(audioRef).toString();


      int width = 400;
      if (!elt.getAttribute("width").equals("")) {
        try {
          width = Integer.parseInt(elt.getAttribute("width").trim());
        } catch (Exception e) {
          log.debug("Can't get width for {}: {}", audioUrl, e);
          width = 400;
        }
      }
      AudioPlayerPanel player = new AudioPlayerPanel(wicketId, audioUrl, width, 20);
      player.setShowDownloadLink(false);
      player.setRenderBodyOnly(true);


      String preview = elt.getAttribute("poster");
      if (!Strings.isEmpty(preview))
        player.setPreview(getRelativeRef(preview));
      
      return player;


    } else if (wicketId.startsWith("swf_")) {
      
      ResourceReference swfRef = getRelativeRef(elt.getAttribute("src"));
      return new FlashAppletPanel(wicketId, swfRef,
          Integer.valueOf(elt.getAttribute("width")),
          Integer.valueOf(elt.getAttribute("height")),
          "");


    } else if (wicketId.startsWith("feedbackButton_")) {
      ContentLoc loc = new ContentLoc(getModel().getObject());
      String responseGroupId = elt.getAttribute("rgid");
      IModel<Prompt> pm = responseService.getOrCreatePrompt(PromptType.FEEDBACK, loc, responseGroupId);
      ResponseFeedbackButtonPanel component = new ResponseFeedbackButtonPanel(wicketId, pm, responseFeedbackPanel);
      String forRole = elt.getAttribute("for");
      boolean usesTeacherButton = cwmSessionService.getUser().getRole().subsumes(Role.TEACHER);
      component.setVisibilityAllowed(usesTeacherButton ? forRole.equals("teacher") : forRole.equals("student"));
      component.add(new AttributeRemover("rgid", "for"));
      return component;
    } else if (wicketId.startsWith("scoreButtons_")) {
      IModel<Prompt> promptModel = getPrompt(elt);
      IModel<User> studentModel = ISISession.get().getTargetUserModel();
      ISortableDataProvider<Response> responseProvider = responseService.getResponseProviderForPrompt(promptModel, studentModel);
      TeacherScoreResponseButtonPanel component = new TeacherScoreResponseButtonPanel(wicketId, responseProvider);
      return component;
    } else if (wicketId.startsWith("showScore_")) {
      IModel<Prompt> promptModel = getPrompt(elt);
      IModel<User> studentModel = cwmSessionService.getUserModel();
      ISortableDataProvider<Response> responseProvider = responseService.getResponseProviderForPrompt(promptModel, studentModel);
      ScorePanel component = new StudentScorePanel(wicketId, responseProvider);
      return component;
    // A container for a single-select form and whiteboard, notebook links
    } else if (wicketId.startsWith("responseContainer")) {
      return new WebMarkupContainer(wicketId);
    // A single-select, multiple choice form.  MultipleChoiceItems will be added to a RadioGroup
    // child of this form.  
    } else if (wicketId.startsWith("select1_immediate_")) {
      return makeImmediateResponseForm(wicketId, elt);
    // A single-select, multiple choice form.  MultipleChoiceItems will be added to a RadioGroup
    // child of this form.  
    } else if (wicketId.startsWith("select1_delay_")) {
      return makeDelayedResponseForm(wicketId, elt);
    // buttons for viewing in whiteboard and notebook
    } else if (wicketId.startsWith("viewActions")) {
      IModel<Prompt> mPrompt = getPrompt(elt, PromptType.SINGLE_SELECT);
      Long promptId = mPrompt.getObject().getId();
      ResponseViewActionsPanel component = new ResponseViewActionsPanel(wicketId, promptId);
      component.add(new AttributeRemover("rgid", "title", "group", "type"));
      return component;
      // A single-select, multiple choice disabled form.  MultipleChoiceItems will be added to a RadioGroup
      // child of this form.  
    } else if (wicketId.startsWith("select1_view_immediate")) {
      return makeImmediateResponseView(wicketId, elt);
    // A single-select, multiple choice disabled form.  MultipleChoiceItems will be added to a RadioGroup
    // child of this form.  
    } else if (wicketId.startsWith("select1_view_delay")) {
      return makeDelayedResponseView(wicketId, elt);
    // A multiple choice radio button. Stores a "correct" value. This is
    // added to a generic RadioGroup in a SingleSelectForm.
    } else if (wicketId.startsWith("selectItem_")) {
      Component mcItem = new SingleSelectItem(wicketId,
          new Model<String>(wicketId.substring("selectItem_".length())),
          Boolean.valueOf(elt.getAttribute("correct")));
      mcItem.add(new AttributeRemover("correct"));
      return mcItem;


    // A message associated with a wicketId.startsWith("selectItem_").
    // The wicketId of the associated SingleSelectItem should be provided as a "for" attribute.
    // Visibility based on whether the corresponding radio button is selected in the enclosing form.
    } else if (wicketId.startsWith("selectMessage_")) {
      return new SingleSelectMessage(wicketId, elt.getAttribute("for")).add(new AttributeRemover("for"));


    // A delayed feedback message associated with a wicketId.startsWith("selectItem_").
    // The wicketId of the associated SingleSelectItem should be provided as a "for" attribute.
    // Visibility based on whether the response has been reviewed.
    } else if (wicketId.startsWith("selectDelayMessage_")) {
      ISIXmlSection section = getISIXmlSection();
      IModel<XmlSection> currentSectionModel = new XmlSectionModel(section);
      SingleSelectDelayMessage component = new SingleSelectDelayMessage(wicketId, currentSectionModel);
      return component.add(new AttributeRemover("for"));


    } else if (wicketId.startsWith("responseList_")) {
      ContentLoc loc = new ContentLoc(getModel().getObject());
      String responseGroupId = elt.getAttribute("rgid");
      ResponseMetadata metadata = getResponseMetadata(responseGroupId);
      IModel<Prompt> mPrompt = responseService.getOrCreatePrompt(PromptType.RESPONSEAREA, loc, responseGroupId, metadata.getCollection());
      ResponseList dataView = new ResponseList (wicketId, mPrompt, metadata, loc, ISISession.get().getTargetUserModel());
      dataView.setContext(getResponseListContext(false));
      dataView.setAllowEdit(!isTeacher);
      dataView.setAllowNotebook(!inGlossary && !isTeacher && ISIApplication.get().isNotebookOn());
      dataView.setAllowWhiteboard(!inGlossary && ISIApplication.get().isWhiteboardOn());
      dataView.add(new AttributeRemover("rgid", "group"));
      return dataView;


    } else if (wicketId.startsWith("locking_responseList_")) {
      ContentLoc loc = new ContentLoc(getModel().getObject());
      String responseGroupId = elt.getAttribute("rgid");
      ResponseMetadata metadata = getResponseMetadata(responseGroupId);
      IModel<Prompt> mPrompt = responseService.getOrCreatePrompt(PromptType.RESPONSEAREA, loc, responseGroupId, metadata.getCollection());
      ResponseList dataView = new LockingResponseList (wicketId, mPrompt, metadata, loc, ISISession.get().getTargetUserModel());
      dataView.setContext(getResponseListContext(false));
      dataView.setAllowNotebook(!inGlossary && !isTeacher && ISIApplication.get().isNotebookOn());
      dataView.setAllowWhiteboard(!inGlossary && ISIApplication.get().isWhiteboardOn());
      dataView.add(new AttributeRemover("rgid", "group"));
      return dataView;


    } else if (wicketId.startsWith("period_responseList_")) {
      ContentLoc loc = new ContentLoc(getModel().getObject());
      String responseGroupId = elt.getAttribute("rgid");
      ResponseMetadata metadata = getResponseMetadata(responseGroupId);
      IModel<Prompt> mPrompt = responseService.getOrCreatePrompt(PromptType.RESPONSEAREA, loc, responseGroupId, metadata.getCollection());
      PeriodResponseList dataView = new PeriodResponseList(wicketId, mPrompt, metadata, loc, ISISession.get().getCurrentPeriodModel());
      dataView.setContext(getResponseListContext(true));
      dataView.setAllowEdit(!isTeacher);
      dataView.setAllowNotebook(!inGlossary && !isTeacher && ISIApplication.get().isNotebookOn());
      dataView.setAllowWhiteboard(!inGlossary && ISIApplication.get().isWhiteboardOn());
      dataView.add(new AttributeRemover("rgid", "group"));
      return dataView;      
      
    } else if (wicketId.startsWith("responseButtons_")) {
      ContentLoc loc = new ContentLoc(getModel().getObject());
      String responseGroupId = elt.getAttribute("rgid");
      Element xmlElement = getModel().getObject().getElement().getOwnerDocument().getElementById(responseGroupId);
      ResponseMetadata metadata = new ResponseMetadata(xmlElement);
      if (!ISIApplication.get().isUseAuthoredResponseType()) {
        // set all the response types to the default per application configuration here
        metadata = addMetadata(metadata);
      }
      IModel<Prompt> mPrompt = responseService.getOrCreatePrompt(PromptType.RESPONSEAREA, loc, metadata.getId(), metadata.getCollection());
      ResponseButtons buttons = new ResponseButtons(wicketId, mPrompt, metadata, loc);
      buttons.setVisible(!isTeacher);
      return buttons;


    } else if (wicketId.startsWith("locking_responseButtons_")) {
      ContentLoc loc = new ContentLoc(getModel().getObject());
      String responseGroupId = elt.getAttribute("rgid");
      Element xmlElement = getModel().getObject().getElement().getOwnerDocument().getElementById(responseGroupId);
      ResponseMetadata metadata = new ResponseMetadata(xmlElement);
      if (!ISIApplication.get().isUseAuthoredResponseType()) {
        // set all the response types to the default per application configuration here
        metadata = addMetadata(metadata);
      }
      IModel<Prompt> mPrompt = responseService.getOrCreatePrompt(PromptType.RESPONSEAREA, loc, metadata.getId(), metadata.getCollection());
      return new LockingResponseButtons(wicketId, mPrompt, metadata, loc, cwmSessionService.getUserModel());


    } else if (wicketId.startsWith("ratePanel_")) {
      ContentLoc loc = new ContentLoc(getModel().getObject());
      String promptText = null;
      String ratingId = elt.getAttribute("id");
      NodeList nodes = elt.getChildNodes();
      // extract the prompt text authored - we might want to consider re-writing this
      // to use xsl instead of this - but this works for now - ldm
      for (int i=0; i<nodes.getLength(); i++) {
        Node nextNode = nodes.item(i);
        if (nextNode instanceof Element) {
          Element next = (Element)nodes.item(i);
          if (next.getAttribute("class").equals("prompt")) {
            //get all the html under the prompt element
            promptText = new TransformResult(next).getString();
          } 
        }
      }
      RatePanel ratePanel = new RatePanel(wicketId, loc, ratingId, promptText);
      ratePanel.add(new AttributeRemover("id"));
      ratePanel.add(new AttributeRemover("type"));
      return ratePanel;


    } else if (wicketId.startsWith("teacherBar_")) {
      WebMarkupContainer teacherBar = new WebMarkupContainer(wicketId);
      teacherBar.setVisible(!cwmSessionService.getUser().getRole().equals(Role.STUDENT) && !inGlossary);
      return teacherBar;


    } else if (wicketId.startsWith("compareResponses_")) {
      IModel<Prompt> mPrompt = getPrompt(elt);
      BookmarkablePageLink<Page> bpl = new BookmarkablePageLink<Page>(wicketId, ISIApplication.get().getPeriodResponsePageClass());
      bpl.setParameter("promptId", mPrompt.getObject().getId());
      ISIApplication.get().setLinkProperties(bpl);
      bpl.setVisible(isTeacher);
      bpl.add(new AttributeRemover("rgid", "for", "type"));
      return bpl;


    } else if(wicketId.startsWith("agent_")) {
      String title = elt.getAttribute("title");
      if (Strings.isEmpty(title))
        title = new StringResourceModel("isi.defaultAgentButtonText", this, null, "Help").getObject();
      AgentLink link = new AgentLink(wicketId, title, elt.getAttribute("responseAreaId"));
      link.add(new AttributeRemover("title", "responseAreaId"));
      return link;
      
    } else if (wicketId.startsWith("image_")) {
      String src = elt.getAttribute("src");
      ResourceReference imgRef = getRelativeRef(src);
      return new Image(wicketId, imgRef);


    } else if (wicketId.startsWith("imageThumb_")) {      
      String src = elt.getAttribute("src");
      int ext = src.lastIndexOf('.');
      src = src.substring(0, ext) + "_t" + src.substring(ext);
      ResourceReference imgRef = getRelativeRef(src);
      Image img = new Image(wicketId, imgRef);
      // FIXME these attributes were removed because indira was adding height and width of the detail image
      // not the thumbnail image - remove when indira gets removed
      img.add(new AttributeRemover("width", "height"));
      return img;

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