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 heremanager.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;}}?