Java Code Examples for org.eclipse.jface.viewers.ILabelProvider#getText()

private String getLabel(final Viewer viewer, final Object e1) {
	String name1;
	if (viewer == null || !(viewer instanceof ContentViewer)) {
		name1 = e1.toString();
	} else {
		final IBaseLabelProvider prov = ((ContentViewer) viewer).getLabelProvider();
		if (prov instanceof ILabelProvider) {
			final ILabelProvider lprov = (ILabelProvider) prov;
			name1 = lprov.getText(e1);
		} else {
			name1 = e1.toString();
		}
	}
	if (name1 == null) {
		name1 = "";//$NON-NLS-1$
	}
	return name1;
}
 

public String getText(Object element)
{
	List<ILabelProvider> providers = this.getProcessors();
	String result = StringUtil.EMPTY;

	for (ILabelProvider provider : providers)
	{
		String text = provider.getText(element);

		if (!StringUtil.isEmpty(text))
		{
			result = text;
			break;
		}
	}

	return result;
}
 

@Override
public int compare(Viewer viewer, Object e1, Object e2) {

       int cat1 = category(e1);
       int cat2 = category(e2);

       if (cat1 != cat2)
           return cat1 - cat2;

       if (cat1 == ATTRIBUTE || cat1 == CONTAINER_ENTRY) {
       	return 0; // do not sort attributes or container entries
       }

	if (viewer instanceof ContentViewer) {
		IBaseLabelProvider prov = ((ContentViewer) viewer).getLabelProvider();
           if (prov instanceof ILabelProvider) {
               ILabelProvider lprov = (ILabelProvider) prov;
               String name1 = lprov.getText(e1);
               String name2 = lprov.getText(e2);
               return getComparator().compare(name1, name2);
           }
	}
	return 0;
}
 

@Override
protected RepositoryPreferenceNode createKarafFolderNode(String id, ILabelProvider labelProvider, RepositoryNode node) {
    ServicesKarafRepositorySettingNode servicesKarafNode = null;

    if (labelProvider == null) {
        servicesKarafNode = new ServicesKarafRepositorySettingNode(id, node);
    } else {
        String label = labelProvider.getText(node);
        ImageDescriptor imageDesc = null;
        Image image = labelProvider.getImage(node);
        if (image != null) {
            imageDesc = ImageDescriptor.createFromImageData(image.getImageData());
        }
        servicesKarafNode = new ServicesKarafRepositorySettingNode(id, label, imageDesc, node);
    }
    return servicesKarafNode;

}
 

@Override
protected RepositoryPreferenceNode createKarafFolderNode(String id, ILabelProvider labelProvider, RepositoryNode node) {
    RoutesKarafRepositorySettingNode routesKarafNode = null;

    if (labelProvider == null) {
        routesKarafNode = new RoutesKarafRepositorySettingNode(id, node);
    } else {
        String label = labelProvider.getText(node);
        ImageDescriptor imageDesc = null;
        Image image = labelProvider.getImage(node);
        if (image != null) {
            imageDesc = ImageDescriptor.createFromImageData(image.getImageData());
        }
        routesKarafNode = new RoutesKarafRepositorySettingNode(id, label, imageDesc, node);
    }
    return routesKarafNode;
}
 

@Override
public String getText(Object element) {
	if (element == null) {
		return Messages.GlobalDescriptionLabelProvider_0;
	} else {
		ILabelProvider descriptionLabelProvider = lookupDescriptionLabelProvider(element);
		if (descriptionLabelProvider != null) {
			return descriptionLabelProvider.getText(element);
		} else {
			return element.toString();
		}
	}
}
 

@Override
public StyledString getStyledText(Object element) {
	if (element == null) {
		return new StyledString(Messages.GlobalDescriptionLabelProvider_0);
	} else {
		ILabelProvider descriptionLabelProvider = lookupDescriptionLabelProvider(element);
		if (descriptionLabelProvider instanceof IStyledLabelProvider)
			return ((IStyledLabelProvider) descriptionLabelProvider).getStyledText(element);
		else if(descriptionLabelProvider != null) {
			return new StyledString(descriptionLabelProvider.getText(element));
		} else {
			return new StyledString(element.toString());
		}
	}
}
 

/**
 * Get the label from the given eObject's {@link IResourceServiceProvider}.
 *
 * @param eObject
 *          the target object
 * @return the label for the given eObject
 */
private String getForeignObjectLabel(final EObject eObject) {
  IResourceServiceProvider serviceProvider = ((XtextResource) eObject.eResource()).getResourceServiceProvider();
  ILabelProvider labelProvider = serviceProvider.get(ILabelProvider.class);
  if (labelProvider != null) {
    return labelProvider.getText(eObject);
  }
  return null;
}
 

/**
 * Recursively searches the first element in the tree which matches the current
 * filter pattern.
 * 
 * @param items
 *            tree root items
 * @return tree element
 */
private Object findFirstMatchToPattern(TreeItem[] items) {
	// Match the string pattern against labels
	ILabelProvider labelProvider = (ILabelProvider) treeViewer.getLabelProvider();
	// Process each item in the tree
	for (int i = 0; i < items.length; i++) {
		Object element = items[i].getData();
		// Return the first element if no pattern is set
		if (stringMatcher == null) {
			return element;
		}
		// Return the element if it matches the pattern
		if (element != null) {
			String label = labelProvider.getText(element);
			if (stringMatcher.match(label)) {
				return element;
			}
		}
		// Recursively check the elements children for a match
		element = findFirstMatchToPattern(items[i].getItems());
		// Return the child element match if found
		if (element != null) {
			return element;
		}
	}
	// No match found
	return null;
}
 

@Override
public String getText(Object element)
{
	if (element instanceof ILanguageNode)
	{
		String language = ((ILanguageNode) element).getLanguage();
		ILabelProvider provider = fProvidersByLanguage.get(language);
		if (provider != null)
		{
			return provider.getText(element);
		}
	}
	return getDefaultText(element);
}
 

protected String getParticipantText(Object element) {
	ILabelProvider labelProvider= getLabelProvider(element);
	if (labelProvider != null)
		return labelProvider.getText(element);
	return ""; //$NON-NLS-1$

}
 

protected StyledString getStyledParticipantText(Object element) {
	ILabelProvider labelProvider= getLabelProvider(element);
	if (labelProvider instanceof IStyledLabelProvider)
		return ((IStyledLabelProvider) labelProvider).getStyledText(element);
	if (labelProvider != null)
		return new StyledString(labelProvider.getText(element));
	return new StyledString();
}
 

public int compare(Viewer viewer, Object e1, Object e2) {
	if(viewer instanceof StructuredViewer) {			
		 ILabelProvider labelProvider = (ILabelProvider) ((StructuredViewer)viewer).getLabelProvider();
		 String text1 = labelProvider.getText(e1);
		 String text2 = labelProvider.getText(e2);
		 if(text1 != null) {			
			 return text1.compareTo(text2);
		 }
	}
	return -1;
}
 

public int compare(Viewer viewer, Object e1, Object e2) {
	if(viewer instanceof StructuredViewer) {			
		 ILabelProvider labelProvider = (ILabelProvider) ((StructuredViewer)viewer).getLabelProvider();
		 String text1 = labelProvider.getText(e1);
		 String text2 = labelProvider.getText(e2);
		 if(text1 != null) {			
			 return text1.compareTo(text2);
		 }
	}
	return -1;
}
 

protected int doCompare(Viewer v, Object e1, Object e2) {
      Assert.isTrue(v == viewer);
      ILabelProvider labelProvider = (ILabelProvider) viewer.getLabelProvider(columnIndex);
	String t1 = labelProvider.getText(e1);
	String t2 = labelProvider.getText(e2);
	if (t1 == null) t1 = "";
	if (t2 == null) t2 = "";
	return t1.compareToIgnoreCase(t2);
}