关于一个TableViewer的点击列头排序使用View

此使用实现一个TableViewer展示数据同时点击双击行是弹出属性页面，进行修改。

package com.unutrip.plugin.dev.views;
import java.util.List;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.ISharedImages;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.internal.dialogs.PropertyDialog;
import org.eclipse.ui.part.ViewPart;

import com.unutrip.plugin.dev.initdata.InitData;
import com.unutrip.plugin.dev.model.Person;
import com.unutrip.plugin.dev.model.PersonCompartor;
/**
 * 关于一个TableViewer的使用View
 * @author longgangbai
 *
 */
public class PersonView extends ViewPart {
	private TableViewer viewer;
	private Action action1;
	private Action action2;
	private Action doubleClickAction;

	/*
	 * The content provider class is responsible for
	 * providing objects to the view. It can wrap
	 * existing objects in adapters or simply return
	 * objects as-is. These objects may be sensitive
	 * to the current input of the view, or ignore
	 * it and always show the same content 
	 * (like Task List, for example).
	 */
	 
	class ViewContentProvider implements IStructuredContentProvider {
		public void inputChanged(Viewer v, Object oldInput, Object newInput) {
		}
		public void dispose() {
		}
		public Object[] getElements(Object parent) {
			if(parent instanceof List){
                return ((List)parent).toArray();
            }else{
                return new Object[0];
            }

		}
	}
	class ViewLabelProvider extends LabelProvider implements ITableLabelProvider {
		public String getColumnText(Object obj, int index) {
			  String value="";
			  if(obj instanceof Person )
			  {
				  Person p=(Person)obj;
				  switch(index){
				  case 0 :
					  value=p.getStuNo();
					  break;
				  case 1 :
					  value=p.getStuName();
					  break;
				  case 2 :
					  value=p.getStuAge();
					  break;
				  case 3 :
					  value=p.getStuAddr();
					  break;
				  case 4 :
					  value=p.getStuSex();
					  break;
				  } 
			  }
			return value;
		}
		public Image getColumnImage(Object obj, int index) {
			if(obj instanceof Person)
			{
				if(index==0)
				{
					return getImage(obj);
				}
			}
           return null;
		}
		
		public Image getImage(Object obj) {
			return PlatformUI.getWorkbench().
					getSharedImages().getImage(ISharedImages.IMG_OBJ_ELEMENT);
		}
	}

	/**
	 * The constructor.
	 */
	public PersonView() {
	}

	/**
	 * This is a callback that will allow us
	 * to create the viewer and initialize it.
	 */
	public void createPartControl(Composite parent) {
		createTableViewer(parent);
		makeActions();
		hookContextMenu();
		hookDoubleClickAction();
		contributeToActionBars();
	}

	private void createTableViewer(Composite parent) {
		viewer = new TableViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL|SWT.FULL_SELECTION|SWT.BORDER);
		Table table=viewer.getTable();
		facadeTableViewer(table);
		
		TableLayout layout=new TableLayout();
		table.setLayout(layout);
		
		layout.addColumnData(new ColumnWeightData(50));
		
		viewer.setContentProvider(new ViewContentProvider());
		viewer.setLabelProvider(new ViewLabelProvider());
		viewer.setSorter(new PersonCompartor());
		viewer.setInput(InitData.init());
	}

	private void facadeTableViewer(Table table) {
		table.setLinesVisible(true);
		table.setHeaderVisible(true);
		final TableColumn newColumnTableColumn = new TableColumn(table, SWT.NONE);
        newColumnTableColumn.setWidth(39);
        newColumnTableColumn.setText("编号");
        newColumnTableColumn.addSelectionListener(new SelectionAdapter(){
            boolean asc = true;
            public void widgetSelected(SelectionEvent e){
            	viewer.setSorter(asc?PersonCompartor.ID_ASC:PersonCompartor.ID_DESC);
                asc = !asc;
            }
        });


        final TableColumn newColumnTableColumn_1 = new TableColumn(table, SWT.NONE);
        newColumnTableColumn_1.setWidth(85);
        newColumnTableColumn_1.setText("姓名");
        newColumnTableColumn_1.addSelectionListener(new SelectionAdapter(){
            boolean asc = true;
            public void widgetSelected(SelectionEvent e){
            	viewer.setSorter(asc?PersonCompartor.NAME_ASC:PersonCompartor.NAME_DESC);
                asc = !asc;
            }
        });
        
        final TableColumn newColumnTableColumn_3 = new TableColumn(table, SWT.NONE);
        newColumnTableColumn_3.setWidth(43);
        newColumnTableColumn_3.setText("年龄");
        newColumnTableColumn_3.addSelectionListener(new SelectionAdapter(){
            boolean asc = true;
            public void widgetSelected(SelectionEvent e){
            	viewer.setSorter(asc?PersonCompartor.AGE_ASC:PersonCompartor.AGE_DESC);
                asc = !asc;
            }
        });
        
        final TableColumn newColumnTableColumn_4 = new TableColumn(table, SWT.NONE);
        newColumnTableColumn_4.setWidth(126);
        newColumnTableColumn_4.setText("地址");
        
        
        final TableColumn newColumnTableColumn_2 = new TableColumn(table, SWT.NONE);
        newColumnTableColumn_2.setWidth(41);
        newColumnTableColumn_2.setText("性别");
	}

	private void hookContextMenu() {
		MenuManager menuMgr = new MenuManager("#PopupMenu");
		menuMgr.setRemoveAllWhenShown(true);
		menuMgr.addMenuListener(new IMenuListener() {
			public void menuAboutToShow(IMenuManager manager) {
				PersonView.this.fillContextMenu(manager);
			}
		});
		Menu menu = menuMgr.createContextMenu(viewer.getControl());
		viewer.getControl().setMenu(menu);
		getSite().registerContextMenu(menuMgr, viewer);
	}

	private void contributeToActionBars() {
		IActionBars bars = getViewSite().getActionBars();
		fillLocalPullDown(bars.getMenuManager());
		fillLocalToolBar(bars.getToolBarManager());
	}

	private void fillLocalPullDown(IMenuManager manager) {
		manager.add(action1);
		manager.add(new Separator());
		manager.add(action2);
	}

	private void fillContextMenu(IMenuManager manager) {
		manager.add(action1);
		manager.add(action2);
		// Other plug-ins can contribute there actions here
		manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
	}
	
	private void fillLocalToolBar(IToolBarManager manager) {
		manager.add(action1);
		manager.add(action2);
	}

	private void makeActions() {
		action1 = new Action() {
			public void run() {
				showMessage("Action 1 executed");
			}
		};
		action1.setText("Action 1");
		action1.setToolTipText("Action 1 tooltip");
		action1.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
			getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
		
		action2 = new Action() {
			public void run() {
				showMessage("Action 2 executed");
			}
		};
		action2.setText("Action 2");
		action2.setToolTipText("Action 2 tooltip");
		action2.setImageDescriptor(PlatformUI.getWorkbench().getSharedImages().
				getImageDescriptor(ISharedImages.IMG_OBJS_INFO_TSK));
		doubleClickAction = new Action() {
			@SuppressWarnings("restriction")
			public void run() {
				//获取一个选中的对象
				ISelection selection = viewer.getSelection();
				Object obj = ((IStructuredSelection)selection).getFirstElement();
				//打开属性页面
				PropertyDialog dialog = PropertyDialog.createDialogOn(getSite().getShell(), "com.unutrip.plugin.dev.properties.SamplePropertyPage", obj);
				dialog.open();
			}
		};
	}

	private void hookDoubleClickAction() {
		viewer.addDoubleClickListener(new IDoubleClickListener() {
			public void doubleClick(DoubleClickEvent event) {
				doubleClickAction.run();
			}
		});
	}
	private void showMessage(String message) {
		MessageDialog.openInformation(
			viewer.getControl().getShell(),
			"Sample View",
			message);
	}

	/**
	 * Passing the focus request to the viewer's control.
	 */
	public void setFocus() {
		viewer.getControl().setFocus();
	}
}

 

package com.unutrip.plugin.dev.model;

import java.util.Comparator;

import org.eclipse.jface.viewers.ViewerSorter;

public class PersonCompartor extends ViewerSorter  implements Comparator<Person> {
    private static final int ID = 1;
    private static final int NAME = 2;
    private static final int SEX = 3;
    private static final int AGE = 4;
    private static final int CREATE_DATE = 5;
    private int index=0;
    private int sortType=1;
    
    public static final PersonCompartor ID_ASC = new PersonCompartor(ID);
    public static final PersonCompartor ID_DESC = new PersonCompartor(-ID);
    public static final PersonCompartor NAME_ASC = new PersonCompartor(NAME);
    public static final PersonCompartor NAME_DESC = new PersonCompartor(-NAME);
    public static final PersonCompartor SEX_ASC = new PersonCompartor(SEX);
    public static final PersonCompartor SEX_DESC = new PersonCompartor(-SEX);
    public static final PersonCompartor AGE_ASC = new PersonCompartor(AGE);
    public static final PersonCompartor AGE_DESC = new PersonCompartor(-AGE);
    public static final PersonCompartor CREATE_DATE_ASC = new PersonCompartor(CREATE_DATE);
    public static final PersonCompartor CREATE_DATE_DESC = new PersonCompartor(-CREATE_DATE);
	public PersonCompartor(int inxdex,int sortType)
    {
    	this.index=inxdex;
    	this.sortType=sortType;
    }
	public PersonCompartor()
    {
    }
	public PersonCompartor(int inxdex)
    {
    	this.index=inxdex;
    }
	public int compare(Person o1, Person o2) {
		int result=0;
		switch(index)
		{
			case 0:
				result= o1.getStuNo().compareTo(o2.getStuNo());
			case 1:
				result= o1.getStuName().compareTo(o2.getStuName());
			case 2:
				result= o1.getStuAge().compareTo(o2.getStuAge());
			case 3:
				result= o1.getStuAddr().compareTo(o2.getStuAddr());
			case 4:
				result= o1.getStuSex().compareTo(o2.getStuSex());
		}
		if(sortType<0)
		{
			return -result;
		}
		return result;
	}
	

}