Examples of org.eclipse.jface.viewers.IBaseLabelProvider

org.eclipse.jface.viewers.IBaseLabelProvider
A label provider maps an element of the viewer's model to an optional image and optional text string used to display the element in the viewer's control. Certain label providers may allow multiple labels per element. This is an "abstract interface", defining methods common to all label providers, but does not actually define the methods to get the label(s) for an element. This interface should never be directly implemented. Most viewers will take either an ILabelProvider or an ITableLabelProvider.
A label provider must not be shared between viewers since a label provider generally manages SWT resources (images), which must be disposed when the viewer is disposed. To simplify life cycle management, the current label provider of a viewer is disposed when the viewer is disposed.

Label providers can be used outside the context of viewers wherever images are needed. When label providers are used in this fashion it is the responsibility of the user to ensure dispose is called when the provider is no longer needed.
@see ILabelProvider @see ITableLabelProvider

  private IPreferenceStore getPreferenceStore() {
    return Activator.getDefault().getPreferenceStore();
  }


  private StagingViewLabelProvider getLabelProvider(ContentViewer viewer) {
    IBaseLabelProvider base = viewer.getLabelProvider();
    ILabelProvider labelProvider = ((TreeDecoratingLabelProvider) base)
        .getLabelProvider();
    return (StagingViewLabelProvider) labelProvider;
  }

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    /* Update Subtitle if present */
    if (expanded)
      js.append(getElementById(Dynamic.SUBTITLE_LINK.getId(news))).append(".style.display='none'; "); //$NON-NLS-1$
    else {
      StringBuilder subtitleContent = new StringBuilder();
      IBaseLabelProvider lp = getLabelProvider();
      if (lp instanceof NewsBrowserLabelProvider)
        ((NewsBrowserLabelProvider) lp).fillSubtitle(subtitleContent, news, CoreUtils.getSortedLabels(news), false);
      if (subtitleContent.length() > 0)
        js.append(getElementById(Dynamic.SUBTITLE_LINK.getId(news))).append(".innerHTML='").append(escapeForInnerHtml(subtitleContent.toString())).append("'; "); //$NON-NLS-1$ //$NON-NLS-2$
      js.append(getElementById(Dynamic.SUBTITLE_LINK.getId(news))).append(".style.display='inline'; "); //$NON-NLS-1$

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  private void fillNewsContent(INews news, final StringBuilder js, String newsLink) {
    String description = news.getDescription();


    /* Content is provided */
    if (StringUtils.isSet(description) && !description.equals(news.getTitle())) {
      IBaseLabelProvider labelProvider = getLabelProvider();
      if (labelProvider instanceof NewsBrowserLabelProvider) {
        description = ((NewsBrowserLabelProvider) labelProvider).stripMediaTagsIfNecessary(description);
        description = ((NewsBrowserLabelProvider) labelProvider).highlightSearchTermsIfNecessary(description);
      }
    }

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      inlineResult.append(result.substring(index));
      result = inlineResult.toString();
    }


    /* Support stripping media tags if set and highlight search terms if any */
    IBaseLabelProvider labelProvider = getLabelProvider();
    if (labelProvider instanceof NewsBrowserLabelProvider) {
      result = ((NewsBrowserLabelProvider) labelProvider).stripMediaTagsIfNecessary(result);
      result = ((NewsBrowserLabelProvider) labelProvider).highlightSearchTermsIfNecessary(result);
    }

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          }


          /* Make sure to also update collapsed subtitles if present */
          if (isHeadlinesLayout() && !fViewModel.isNewsExpanded(news)) {
            StringBuilder subtitleContent = new StringBuilder();
            IBaseLabelProvider lp = getLabelProvider();
            if (lp instanceof NewsBrowserLabelProvider)
              ((NewsBrowserLabelProvider) lp).fillSubtitle(subtitleContent, news, labels, false);
            if (subtitleContent.length() > 0)
              js.append(getElementById(Dynamic.SUBTITLE_LINK.getId(news))).append(".innerHTML='").append(escapeForInnerHtml(subtitleContent.toString())).append("'; "); //$NON-NLS-1$ //$NON-NLS-2$
          }

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        }
      }
    }


    /* Update Groups */
    IBaseLabelProvider labelProvider = getLabelProvider();
    for (Long groupId : groupsToUpdate) {


      /* Remove Groups from DOM or update it */
      if (!varDefined) {
        js.append("var "); //$NON-NLS-1$

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    return false;
  }


  private boolean isHeadlinesLayout() {
    IBaseLabelProvider lp = getLabelProvider();
    if (lp instanceof NewsBrowserLabelProvider)
      return ((NewsBrowserLabelProvider) lp).isHeadlinesOnly();


    return false;
  }

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    searchText.addModifyListener(this);
    
    contentProvider = new ResultContentProvider();
    IStyledLabelProvider labelProvider = new ResultLabelProvider(contentProvider);
    IBaseLabelProvider decoratedLabelProvider = new DecoratingStyledCellLabelProvider(labelProvider, null, null);
    
    configureResultViewer(contentProvider, decoratedLabelProvider);
    searchViewControl.setContentProposalAdapter(new SearchContentProposalProvider(contentProvider));
    
    searchJob = new SearchJob(this);

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  public static final String DECORATOR_ID = Activator.PLUGIN_ID
      + ".model.webflowModelLabelDecorator";


  public static void update() {
    IBaseLabelProvider provider = PlatformUI.getWorkbench().getDecoratorManager()
        .getBaseLabelProvider(DECORATOR_ID);
    if (provider instanceof BeansModelLabelDecorator) {
      ((WebflowModelLabelDecorator) provider).internalUpdate();
    }
  }

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  private void internalUpdate() {
    Display.getDefault().asyncExec(new Runnable() {
      public void run() {


        IBaseLabelProvider provider = PlatformUI.getWorkbench().getDecoratorManager()
            .getBaseLabelProvider(SpringLabelDecorator.DECORATOR_ID);
        if (provider != null) {
          fireLabelProviderChanged(new LabelProviderChangedEvent(provider));
        }

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