作者: beauty9235 链接： http://beauty9235.javaeye.com/blog/229627 发表时间: 2008年07月23日
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import org.eclipse.swt.SWT;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Canvas;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.List;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
public class DogShowRegistrationWindow {
/*
* 参考文章
* http://www.eclipse.org/articles/article.php?file=Article-Understanding-Layouts/index.html
* http://www.ibm.com/developerworks/cn/linux/opensource/os-ecgui1/index.html
* http://www.ibm.com/developerworks/cn/linux/opensource/os-ecgui2/index.html
* http://www.ibm.com/developerworks/cn/linux/opensource/os-ecgui3/index.html
* http://www-128.ibm.com/developerworks/cn/opensource/os-swingswt/
* http://www.blogjava.net/fortune/archive/2006/03/09/34463.html
*/
Image dogImage;
Text dogNameText;
Combo dogBreedCombo;
Canvas dogPhoto;
List categories;
Text nameText;
Text phoneText;
public static void main(String[] args) {
Display display = new Display();
Shell shell = new DogShowRegistrationWindow().createShell(display);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
}
public Shell createShell(final Display display) {
final Shell shell = new Shell(display);//通用窗口
FormLayout layout = new FormLayout();//布局管理器
layout.marginWidth = 5;
layout.marginHeight = 5;
shell.setLayout(layout);
shell.setText("Dog Show Entry");
//****************************定义布局所要用的资源开始****************************
//定义dog name标签
Label dogName = new Label(shell, SWT.NONE);//显示静态文本
dogName.setText("Dog's Name:");
//定义dog name的文本输入框
dogNameText = new Text(shell, SWT.SINGLE | SWT.BORDER);//文本输入
//定义dog greed标签
Label dogBreed = new Label(shell, SWT.NONE);
dogBreed.setText("Breed:");
//定义一个dog greed多选框
dogBreedCombo = new Combo(shell, SWT.NONE);
dogBreedCombo.setItems(new String[] { "Collie", "Pitbull", "Poodle","Scottie", "Black Lab" });//从一个下拉列表中选择
//定义photo标签
Label photo = new Label(shell, SWT.NONE);
photo.setText("Photo:");
//定义photo显示域
dogPhoto = new Canvas(shell, SWT.BORDER);//绘图区域；可能用于定制控件
//定义Photo Browse按钮
Button browse = new Button(shell, SWT.PUSH);
browse.setText("Browse...");
//定义Photo Delete按钮
Button delete = new Button(shell, SWT.PUSH);//简单按下具有文本的按钮
delete.setText("Delete");
//定义分类标签
Label cats = new Label(shell, SWT.NONE);
cats.setText("Categories");
//定义分类List
categories = new List(shell, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);//从条目列表中进行选择
categories.setItems(new String[] { "Best of Breed", "Prettiest Female",
"Handsomest Male", "Best Dressed", "Fluffiest Ears",
"Most Colors", "Best Performer", "Loudest Bark",
"Best Behaved", "Prettiest Eyes", "Most Hair", "Longest Tail",
"Cutest Trick" });
//定义一个组
Group ownerInfo = new Group(shell, SWT.NONE);//其他控件的有边界和标题的通用容器
ownerInfo.setText("Owner Info");
FormLayout ownerLayout = new FormLayout();//布局管理器
ownerLayout.marginWidth = 5;
ownerLayout.marginHeight = 5;
ownerInfo.setLayout(ownerLayout);
//定义Enter按钮
Button enter = new Button(shell, SWT.PUSH);
enter.setText("Enter");
//****************************定义布局所要用的资源结束****************************
FormData data = new FormData();
data.top = new FormAttachment(dogNameText, 0, SWT.CENTER);
dogName.setLayoutData(data);//定义dogName与dogNameText的中心位置对齐
data = new FormData();
data.left = new FormAttachment(dogName, 5);
data.right = new FormAttachment(100, 0);
dogNameText.setLayoutData(data);//定义dogNameText左边距dogName5个点数的偏移 右边100%填充
data = new FormData();
data.top = new FormAttachment(dogBreedCombo, 0, SWT.CENTER);
dogBreed.setLayoutData(data);
//定义dogBreed项部距dogBreedCombo 0个点数的偏移 与dogBreedCombo标签的中心位置对齐
data = new FormData();
data.top = new FormAttachment(dogNameText, 5);
data.left = new FormAttachment(dogNameText, 0, SWT.LEFT);
data.right = new FormAttachment(categories, -5);
dogBreedCombo.setLayoutData(data);
//定义dogBreedCombo项部距dogNameText 5个点数的偏移
//定义dogBreedCombo左边与 dogNameText的左边对齐
//定义dogBreedCombo右边距 categories左边5个点数的偏移
data = new FormData(80, 80);
data.top = new FormAttachment(dogBreedCombo, 5);
data.left = new FormAttachment(dogNameText, 0, SWT.LEFT);
data.right = new FormAttachment(categories, -5);
data.bottom = new FormAttachment(ownerInfo, -5);
dogPhoto.setLayoutData(data);
//定义dogPhoto大小为80X80
//定义dogPhoto顶边与dogBreedCombo底边点数的偏移
//定义dogPhoto左边与dogNameText左边对齐
//定义dogPhoto右边距categories 5个点数的偏移
//定义dogPhoto底边距ownerInfo 5个点数的偏移
dogPhoto.addPaintListener(new PaintListener() {
public void paintControl(final PaintEvent event) {
if (dogImage != null) {
event.gc.drawImage(dogImage, 0, 0);
}
}
});
data = new FormData();
data.top = new FormAttachment(dogPhoto,0, SWT.TOP);
photo.setLayoutData(data);
//定义photo顶边与 dogPhoto的顶边对齐
data = new FormData();
data.top = new FormAttachment(photo, 5);
data.right = new FormAttachment(dogPhoto, -5);
browse.setLayoutData(data);
//定义photo顶边距 photo 5个点数的偏移
//定义photo右边距 dogPhoto 5个点数的偏移
browse.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
String fileName = new FileDialog(shell).open();//用来显示一个文件对话
if (fileName != null) {
dogImage = new Image(display, fileName);
}
}
});
data = new FormData();
data.top = new FormAttachment(browse, 5);
data.left = new FormAttachment(browse, 0, SWT.LEFT);
data.right = new FormAttachment(dogPhoto, -5);
delete.setLayoutData(data);
//定义delete顶边距 browse 5个点数的偏移
//定义delete左边与 browse 左边对齐
//定义delete右边距 dogPhoto 5个点数的偏移
delete.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
if (dogImage != null) {
dogImage.dispose();
dogImage = null;
dogPhoto.redraw();
}
}
});
data = new FormData(90, 140);
data.top = new FormAttachment(dogPhoto, 0, SWT.TOP);
data.right = new FormAttachment(100, 0);
data.bottom = new FormAttachment(enter, -5);
categories.setLayoutData(data);
//定义categories顶边与 dogPhoto的顶边对齐
//定义categories右边100% 填充
//定义categories底边距底边父组件 5个点数的偏移
data = new FormData();
data.bottom = new FormAttachment(categories, -5);
data.left = new FormAttachment(categories, 0, SWT.CENTER);
cats.setLayoutData(data);
//定义cats底边与 categories的底边 5个点数的偏移
//定义cats左边与 categories 的中心对齐
data = new FormData();
data.right = new FormAttachment(100, 0);
data.bottom = new FormAttachment(100, 0);
enter.setLayoutData(data);
enter.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent event) {
System.out.println("\nDog Name: " + dogNameText.getText());
System.out.println("Dog Breed: " + dogBreedCombo.getText());
System.out.println("Owner Name: " + nameText.getText());
System.out.println("Owner Phone: " + phoneText.getText());
System.out.println("Categories:");
String cats[] = categories.getSelection();
for (int i = 0; i < cats.length; i++) {
System.out.println("\t" + cats[i]);
}
}
});
data = new FormData();
data.bottom = new FormAttachment(enter, -5);
data.left = new FormAttachment(0, 0);
data.right = new FormAttachment(categories, -5);
ownerInfo.setLayoutData(data);
Label name = new Label(ownerInfo, SWT.NULL);
name.setText("Name:");
Label phone = new Label(ownerInfo, SWT.PUSH);
phone.setText("Phone:");
nameText = new Text(ownerInfo, SWT.SINGLE | SWT.BORDER);
phoneText = new Text(ownerInfo, SWT.SINGLE | SWT.BORDER);
data = new FormData();
data.top = new FormAttachment(nameText, 0, SWT.CENTER);
name.setLayoutData(data);
data = new FormData();
data.top = new FormAttachment(phoneText, 0, SWT.CENTER);
phone.setLayoutData(data);
data = new FormData();
data.left = new FormAttachment(phone, 5);
data.right = new FormAttachment(100, 0);
nameText.setLayoutData(data);
data = new FormData();
data.left = new FormAttachment(nameText, 0, SWT.LEFT);
data.right = new FormAttachment(100, 0);
data.top = new FormAttachment(55, 0);
phoneText.setLayoutData(data);
shell.pack();
return shell;
}
}
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