Java 类org.eclipse.jface.viewers.IFilter 实例源码

public static IFilter filterFromPatternString(String pattern) {
  if (pattern.length() == 0) {
    return AcceptAllFilter.getInstance();
  }

  if (pattern.startsWith("0x")) { //$NON-NLS-1$
    return new ClassIdMatcher(pattern);
  }

  return new ClassNameMatcher(pattern);
}

/**
 * @param collection
 * @param toAdd
 */
private static void filteredAdd(LazySortedCollection collection, Object[] toAdd, IFilter filter) {
    if (filter != AcceptAllFilter.getInstance()) { 
        for (int i = 0; i < toAdd.length; i++) {
            Object object = toAdd[i];

            if (filter.select(object)) {
                collection.add(object);
            }
        }
    } else {
        collection.addAll(toAdd);
    }
}

/**
 * Sets the filter for this content provider
 * 
 * @param toSet filter to set
 */
public void setFilter(IFilter toSet) {
    Assert.isNotNull(toSet);
    this.filter = toSet;
    sortMon.cancel();
    refresh();
}

@Override
protected IFilter createSettingsFilter()
{
    return new IFilter() {
        public boolean select(Object toTest)
        {
            return INSISSettingsConstants.SYMBOLS.equals(toTest);
        }
    };
}

@Override
protected IFilter createSettingsFilter()
{
    return new IFilter() {
        public boolean select(Object toTest)
        {
            return !INSISSettingsConstants.SYMBOLS.equals(toTest);
        }
    };
}

NSISLaunchSettings(NSISSettings parent, ILaunchConfiguration launchConfig, IFilter filter)
{
    mParent = parent;
    setLaunchConfig(launchConfig);
    mFilter = filter;
    load();
}

public IFilter getFilterFor(final Class<? extends PersistentObject> clazz){
    IObjectFilterProvider prov = hash.get(clazz);
    if (prov != null) {
        return prov.getFilter();
    }
    return null;
}

public IFilter getFilter() {
    return null;
}

public IFilter getFilter(){
    return this;
}

public IFilter getFilter(){
    return this;
}

/**
 * Sets the filter for this content provider. This filter takes priority over
 * anything that was supplied to the <code>TableViewer</code>. The filter
 * must be capable of being used in a background thread.
 * 
 * @param toSet filter to set
 */
public void setFilter(IFilter toSet) {
    this.filter = toSet;
    if (provider != null) {
        provider.setFilter(toSet);
    }
}

/**
 * Get the section filter instance for this section. Return null if no
 * filter for this section.
 * 
 * @return the section filter instance.
 */
public IFilter getFilter();

protected abstract IFilter createSettingsFilter();

public IFilter getFilter();