JFace组件Wizard小用(一）

实习中使用RCP用到了Jface组件Wizard，入手难度上的确要比之前之前使用swing的Jframe+Jpanel要大，但是当入手后发现组件在处理业务逻辑上比较方便。先来个例子：

        

组件中的wizard自带有向前，向后，完成和取消，在title区域可以添加改页面的简洁介绍setTitle()和相关描述setDescription()，错误信息可以通过setErrorMessage()在title处显示，警告信息通过setMessage()显示，setPageComplete()可以指示该页的finish按钮是否能亮起，重写canFlipToNextPage()方法可以指示next按钮是否亮起。代码如下：

WizardDialogClass.java

package com.biyy.swt.wizard; import org.eclipse.jface.window.ApplicationWindow; public class WizardDialogClass extends ApplicationWindow { private TableItem item; private Table table; public WizardDialogClass() { super(null); } public void run(){ setBlockOnOpen(true); open(); Display.getCurrent().dispose(); } protected Control createContents(Composite parent){ getShell().setText("向导对话框实例"); getShell().setSize(400, 200); Composite comp = new Composite(parent,SWT.NONE); comp.setLayout(new GridLayout(2,false)); comp.setLayoutData(new GridData(GridData.FILL_BOTH)); table = new Table(comp,SWT.MULTI|SWT.FULL_SELECTION); table.setHeaderVisible(true); table.setLinesVisible(true); GridData grid = new GridData(GridData.FILL_BOTH); grid.horizontalSpan = 2; table.setLayoutData(grid); TableColumn col1 = new TableColumn(table,SWT.NONE); col1.setText("学号"); col1.setWidth(80); TableColumn col2 = new TableColumn(table,SWT.NONE); col2.setText("姓名"); col2.setWidth(80); TableColumn col3 = new TableColumn(table,SWT.NONE); col3.setText("性别"); col3.setWidth(80); TableColumn col4 = new TableColumn(table,SWT.NONE); col4.setText("邮箱"); col4.setWidth(80); TableColumn col5 = new TableColumn(table,SWT.NONE); col5.setText("自我评价"); col5.setWidth(120); Button addButton = new Button(comp,SWT.NONE); addButton.setText("注册信息"); addButton.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { item = new TableItem(table,0); StudentWizardInformation wizard = new StudentWizardInformation(item); WizardDialog dialog = new WizardDialog(getShell(), wizard); dialog.setPageSize(-1,125); dialog.open(); } @Override public void widgetDefaultSelected(SelectionEvent e) { // TODO Auto-generated method stub } }); /*addButton.addSelectionListener(new SelectionAdapter(){ public void WidgetSelected(SelectionEvent e){ item = new TableItem(table,0); StudentWizardInformation wizard = new StudentWizardInformation(item); WizardDialog dialog = new WizardDialog(getShell(), wizard); dialog.setPageSize(-1,105); dialog.open(); } });*/ GridData gridAdd = new GridData(GridData.HORIZONTAL_ALIGN_END); gridAdd.widthHint = 100; addButton.setLayoutData(gridAdd); Button exitButton = new Button(comp,SWT.PUSH); exitButton.setText("退出"); exitButton.addSelectionListener(new SelectionListener() { @Override public void widgetSelected(SelectionEvent e) { // TODO Auto-generated method stub getShell().dispose(); } @Override public void widgetDefaultSelected(SelectionEvent e) { // TODO Auto-generated method stub } }); GridData gridExit = new GridData(); gridExit.widthHint = 100; exitButton.setLayoutData(gridExit); return comp; } public static void main(String[] args) { new WizardDialogClass().run(); } }  

StudentWizardInformation.java

package com.biyy.swt.wizard; import org.eclipse.jface.wizard.Wizard; import org.eclipse.swt.graphics.RGB; import org.eclipse.swt.widgets.TableItem; public class StudentWizardInformation extends Wizard { private TableItem item; public WizardPageOne pageOne; public WizardPageTwo pageTwo; public StudentWizardInformation(TableItem item){ this.item = item; setNeedsProgressMonitor(true); setTitleBarColor(new RGB(255,0,0)); setWindowTitle("test"); //setHelpAvailable(true); } @Override public boolean performFinish() { // TODO Auto-generated method stub String id = pageOne.getID(); String name = pageOne.getName(); String sex = pageOne.getCombo(); String Email = pageOne.getEmail(); String comment = pageTwo.getComment(); item.setText(new String[]{id,name,sex,Email,comment}); return true; } public void addPages(){ pageOne = new WizardPageOne(); pageTwo = new WizardPageTwo(); addPage(pageOne); addPage(pageTwo); } }  

WizardPageOne.java

package com.biyy.swt.wizard; import org.eclipse.jface.dialogs.IMessageProvider; public class WizardPageOne extends WizardPage implements ModifyListener { private Text textID; private Text textName; private Combo combo; private Text textEmail; private GridData grid; protected WizardPageOne() { super("111"); setTitle("添加学生基本信息"); setMessage("注意：请正确填写如下信息！",IMessageProvider.INFORMATION); setPageComplete(false); } @Override public IWizardPage getNextPage(){ if(getCombo().equals("男")){ System.out.println(getCombo()); return ((StudentWizardInformation)getWizard()).pageOne; //return null; } else{ System.out.println(getCombo()); return ((StudentWizardInformation)getWizard()).pageOne; } } @Override public void createControl(Composite parent) { Composite comp = new Composite(parent,SWT.NONE); comp.setLayoutData(new GridData(GridData.FILL_BOTH)); comp.setLayout(new GridLayout(2,false)); new Label(comp,SWT.NONE).setText("学号:"); textID = new Text(comp,SWT.BORDER); grid = new GridData(GridData.FILL_HORIZONTAL); textID.setLayoutData(grid); textID.addModifyListener(this); new Label(comp,SWT.NONE).setText("姓名:"); textName = new Text(comp,SWT.BORDER); grid = new GridData(GridData.FILL_HORIZONTAL); textName.setLayoutData(grid); textName.addModifyListener(this); new Label(comp,SWT.NONE).setText("性别:"); combo = new Combo(comp,SWT.DROP_DOWN|SWT.READ_ONLY); combo.setItems(new String[]{"男","女"}); grid = new GridData(GridData.FILL_HORIZONTAL); combo.setLayoutData(grid); combo.addModifyListener(this); new Label(comp,SWT.NONE).setText("Email:"); textEmail = new Text(comp,SWT.BORDER); grid = new GridData(GridData.FILL_HORIZONTAL); textEmail.setLayoutData(grid); textEmail.addModifyListener(this); setControl(comp); } public String getID(){ return textID.getText(); } public String getName(){ return textName.getText(); } public String getCombo(){ int index = combo.getSelectionIndex(); if(index == -1){ return ""; } return combo.getItem(index); } public String getEmail(){ return textEmail.getText(); } public void modifyText(ModifyEvent e){ if(getID().length() == 0){ setMessage("注意：学号项不能为空！！！",IMessageProvider.WARNING); return; } if(getName().length() == 0){ setMessage("注意：姓名项不能为空！！！",IMessageProvider.WARNING); return; } if(getCombo().length() == 0){ setMessage("注意：性别项不能为空！！！",IMessageProvider.WARNING); return; } if(getEmail().length() == 0 || getEmail().indexOf("@") < 0){ setMessage("注意：Email格式错或Email项为空！！！",IMessageProvider.ERROR); return; } setMessage(null); setPageComplete(true); } }  

WizardPageTwo.java

package com.biyy.swt.wizard; import org.eclipse.jface.wizard.WizardPage; public class WizardPageTwo extends WizardPage { private Text textComment; private GridData grid; protected WizardPageTwo() { super(""); setTitle("自我评价"); setMessage("请真实填写!!!"); setPageComplete(true); } @Override public void createControl(Composite parent) { Composite comp = new Composite(parent,SWT.NONE); comp.setLayout(new GridLayout(1,false)); new Label(comp,SWT.NONE).setText("自我评价"); textComment = new Text(comp,SWT.BORDER); grid = new GridData(GridData.FILL_HORIZONTAL); textComment.setLayoutData(grid); setControl(comp); } public String getComment(){ return textComment.getText(); } }

主要例子代码如上，wizard组件，使用方便，谁用谁知道。