import org.eclipse.jface.viewers.AbstractTableViewer; //导入依赖的package包/类
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
	// remember viewer
	this.viewer = (AbstractTableViewer) viewer;
	// deregister listener from old input
	if (inputModel != null) {
		inputModel.removeItemPropertiesChangedListener(this);
		inputModel = null;
	}
	// register listener at new input
	if (newInput instanceof IExtensionItem) {
		inputModel = (IExtensionItem) newInput;
		inputModel.addItemPropertiesChangedListener(this);
	}
	this.viewer.refresh();
}
 

import org.eclipse.jface.viewers.AbstractTableViewer; //导入依赖的package包/类
@Override
public void childRemoved(IExtensionItem parent, IExtensionItem item) {
	if (viewer == null) {
		return;
	}
	if (viewer instanceof AbstractTableViewer) {
		((AbstractTableViewer) viewer).remove(item);
	} else if (viewer instanceof AbstractTreeViewer) {
		((AbstractTreeViewer) viewer).remove(parent, new Object[] { item });
	} else {
		viewer.refresh();
	}
}
 

import org.eclipse.jface.viewers.AbstractTableViewer; //导入依赖的package包/类
public TableViewerAdapter( AbstractTableViewer tableViewer ) {
  super( tableViewer );
}