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

                    return layerLink(id, itemModel);
                } else if(property == ENABLED) {
                    LayerInfo layerInfo = (LayerInfo) itemModel.getObject();
                    // ask for enabled() instead of isEnabled() to account for disabled resource/store
                    boolean enabled = layerInfo.enabled();
                    ResourceReference icon = enabled? icons.getEnabledIcon() : icons.getDisabledIcon();
                    Fragment f = new Fragment(id, "iconFragment", LayerPage.this);
                    f.add(new Image("layerIcon", icon));
                    return f;
                } else if(property == SRS) {
                    return new Label(id, SRS.getModel(itemModel));

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        final CatalogIconFactory icons = CatalogIconFactory.get();


        if (property == TYPE) {
            final StoreInfo storeInfo = (StoreInfo) itemModel.getObject();


            ResourceReference storeIcon = icons.getStoreIcon(storeInfo);


            Fragment f = new Fragment(id, "iconFragment", StorePanel.this);
            f.add(new Image("storeIcon", storeIcon));


            return f;
        } else if (property == WORKSPACE) {
            return workspaceLink(id, itemModel);
        } else if (property == NAME) {
            return storeNameLink(id, itemModel);
        } else if (property == ENABLED) {
            final StoreInfo storeInfo = (StoreInfo) itemModel.getObject();
            ResourceReference enabledIcon;
            if (storeInfo.isEnabled()) {
                enabledIcon = icons.getEnabledIcon();
            } else {
                enabledIcon = icons.getDisabledIcon();
            }

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    setRenderBodyOnly(true);


    add(JavascriptPackageResource.getHeaderContribution(WicketEventReference.INSTANCE));
    add(JavascriptPackageResource.getHeaderContribution(WicketAjaxReference.INSTANCE));
    add(JavascriptPackageResource.getHeaderContribution(JS));
    ResourceReference css = getCss();
    if (css != null)
    {
      add(CSSPackageResource.getHeaderContribution(css));
    }

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  /**
   * 
   */
  public void renderHead(IHeaderResponse response)
  {
    ResourceReference ref = new ResourceReference(RESOURCE_NAME);


    final String uploadFieldId = (uploadField == null) ? "" : uploadField.getMarkupId();


    ByteArrayOutputStream out = new ByteArrayOutputStream();
    PrintStream js = new PrintStream(out);

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  @Override
  protected void init() {
    super.init();


    mountSharedResource("/images/percentImage_back1.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back1.png").getSharedResourceKey());
    mountSharedResource("/images/percentImage_back2.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back2.png").getSharedResourceKey());
    mountSharedResource("/images/percentImage_back3.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back3.png").getSharedResourceKey());
    mountSharedResource("/images/percentImage_back4.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back4.png").getSharedResourceKey());


    mountSharedResource("/images/icon_arrow_up.gif", new ResourceReference(
        StatusPage.class, "icon_arrow_up.gif").getSharedResourceKey());


    mountSharedResource("/images/rightcorner.gif", new ResourceReference(
        BasePage.class, "rightcorner.gif").getSharedResourceKey());
    mountSharedResource("/images/leftcorner.gif", new ResourceReference(
        BasePage.class, "leftcorner.gif").getSharedResourceKey());
    mountSharedResource("/images/selrightcorner.gif", new ResourceReference(
        BasePage.class, "selrightcorner.gif").getSharedResourceKey());
    mountSharedResource("/images/selleftcorner.gif", new ResourceReference(
        BasePage.class, "selleftcorner.gif").getSharedResourceKey());


    mountSharedResource("/images/open.gif", new ResourceReference(Trace.class,
        "open.gif").getSharedResourceKey());
    mountSharedResource("/images/closed.gif", new ResourceReference(
        Trace.class, "closed.gif").getSharedResourceKey());
    
    mountSharedResource("/images/tab_bottom.gif", new ResourceReference(ConfigPage.class, 
        "tab_bottom.gif").getSharedResourceKey());


  }

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    });


  }


  private ResourceReference getUpOrDownArrowRef(String status) {
    return new ResourceReference(HealthMonitor.class, "icon_arrow_"
        + status.toLowerCase() + ".gif");
  }

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  @Override
  protected void init() {
    super.init();


    mountSharedResource("/images/percentImage_back1.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back1.png").getSharedResourceKey());
    mountSharedResource("/images/percentImage_back2.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back2.png").getSharedResourceKey());
    mountSharedResource("/images/percentImage_back3.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back3.png").getSharedResourceKey());
    mountSharedResource("/images/percentImage_back4.png",
        new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage_back4.png").getSharedResourceKey());
  }

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        item.add(workflowLink);


        String instMetString = getWorkflowInstMet(inst, metInstanceFilePath);
        item.add(new Label("inst_met_display", instMetString));


        ResourceReference imgRef = new ResourceReference(WorkflowInstancesViewer.class,
            "percentImage.png");
        imgRef.bind(getApplication());
        String resRefString = getRequestCycle().urlFor(imgRef, new ValueMap()).toString();
        item.add(new Label("winst_display", "display('" + resRefString
            + "', 'winst_" + inst.getId() + "_progress', "
            + getPctComplete(inst, lifecycleFilePath) + ", 1);").setEscapeModelStrings(false));

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   */
  public BaseTree(String id, IModel model)
  {
    super(id, model);


    ResourceReference css = getCSS();
    if (css != null)
    {
      add(HeaderContributor.forCss(css));
    }
  }

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    if (parent instanceof Border)
    {
      parent = parent.getParent();
    }
    final Class scope = parent.getClass();
    resourceReference = new ResourceReference(scope, path)
    {
      private static final long serialVersionUID = 1L;


      /**
       * @see org.apache.wicket.ResourceReference#newResource()

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