探索 Eclipse 的嵌入式富客户端平台

01 public class HelloWorldeSWT {
02 
03   public static void main(String[] args) {
04     Display display = new Display();
05     final Shell shell = new Shell(display);
06 		
07     Text text = new Text(shell,SWT.SINGLE);
08     text.setText("This is a text");		
09     Button buttonleft = new Button(shell, SWT.PUSH);
10     buttonleft.setText("Left Push!");
11     Button buttonright = new Button(shell, SWT.PUSH);
12     buttonright.setText("Right Push!");
13     buttonright.addSelectionListener(new SelectionListener(){
14       public void widgetSelected(SelectionEvent e) {
15         MessageBox messageBox = new MessageBox(shell,
16           SWT.ICON_INFORMATION| SWT.YES | SWT.NO);
17         messageBox.setText("MessageBox");
18         messageBox.setMessage("Can you see me?");
19         messageBox.open();
20       }
21       public void widgetDefaultSelected(SelectionEvent e) {
22       }});
23     List list = new List(shell,SWT.MULTI|SWT.BORDER);
24     for (int i=0; i<5; i++) {
25 list.add("item "+i);
26     }
27     
28     shell.setText("HelloWorld from eSWT");
29     FormLayout layout = new FormLayout();
30     layout.spacing = 5;
31     layout.marginHeight = layout.marginWidth = 9;
32     shell.setLayout(layout);
33     
34     FormData textData = new FormData();
35     textData.top = new FormAttachment(0);
36     textData.left = new FormAttachment(0);
37     textData.right = new FormAttachment(90);
38     text.setLayoutData(textData);
39     
40     FormData buttonleftData = new FormData();
41     buttonleftData.top = new FormAttachment(text);
42     buttonleftData.left = new FormAttachment(0);
43     buttonleftData.right = new FormAttachment(40);
44     buttonleft.setLayoutData(buttonleftData);
45     
46     FormData buttonrightData = new FormData();
47     buttonrightData.top = new FormAttachment(text);
48     buttonrightData.left = new FormAttachment(buttonleft);
49     buttonright.setLayoutData(buttonrightData);
50     FormData listData = new FormData();
51     
52     listData.top = new FormAttachment(buttonleft);
53     list.setLayoutData(listData);
54     
55     shell.setSize(240,320);
56     shell.open();
57     
58     while (!shell.isDisposed()) {
59 if (!display.readAndDispatch())
60 	display.sleep();
61     }
62     display.dispose();
63   }

public class BrowserTest {
	
	static Button prev, reload, next, go;
	static Text url;
	static Browser browser;
	
	
	public static void main(String[] args) {
		final Display display = new Display();
		Shell shell = new Shell(display);
		
		//set window title and size
		shell.setText("SimpleBrowser");
		shell.setSize(240,320);
		
		//previous button
		prev = new Button(shell, SWT.PUSH);
		prev.setText("<<");
		prev.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				browser.back();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		//reload button
		reload = new Button(shell, SWT.PUSH);
		reload.setText("R");
		reload.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				browser.refresh();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		//next button
		next = new Button(shell, SWT.PUSH);
		next.setText(">>");;
		next.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				browser.forward();
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		// url text
		url = new Text(shell, SWT.SINGLE|SWT.BORDER);
		url.setText("http://");
		
		// go button
		go = new Button(shell, SWT.PUSH);
		go.setText("GO");
		go.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				// TODO Auto-generated method stub
				browser.setUrl(url.getText());
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		// browser
		browser = new Browser(shell, SWT.NONE);
		browser.setUrl("http://www.google.com");
		
		FormLayout formLayout = new FormLayout();
		shell.setLayout(formLayout);
		formLayout.spacing = 1;
		formLayout.marginHeight = formLayout.marginWidth = 2;
		
		FormData prevData = new FormData();
		prevData.left = new FormAttachment(0);
		prevData.top = new FormAttachment(0);
		prevData.width = 16;
		prev.setLayoutData(prevData);
		
		FormData reloadData = new FormData();
		reloadData.left = new FormAttachment(prev);
		reloadData.top = new FormAttachment(0);
		reloadData.width = 16;
		reload.setLayoutData(reloadData);
		
		FormData nextData = new FormData();
		nextData.left = new FormAttachment(reload);
		nextData.top = new FormAttachment(0);
		nextData.width = 16;
		next.setLayoutData(nextData);
		
		FormData urlData = new FormData();
		urlData.left =  new FormAttachment(next);
		urlData.top = new FormAttachment(0);
		urlData.right = new FormAttachment(89);
		urlData.bottom = new FormAttachment(browser);
		url.setLayoutData(urlData);
		
		FormData goData = new FormData();
		goData.left = new FormAttachment(url);
		goData.top = new FormAttachment(0);
		goData.width = 24;
		go.setLayoutData(goData);
		
		FormData browserData = new FormData();
		browserData.top = new FormAttachment(prev);
		browserData.left = new FormAttachment(0);
		browserData.right = new FormAttachment(100);
		browserData.bottom = new FormAttachment(100);
		browser.setLayoutData(browserData);
		
		shell.open();
		while( !shell.isDisposed() ) {
			if( !display.readAndDispatch() )
				display.sleep();
		}
		display.dispose();	
	}
}

public class MobileExtensionSample implements IPlatformRunnable {
	public static void main(String[] args) {
		Display display = new Display();
		final MobileShell shell = new MobileShell(display);
		final Button resetButton = new Button(shell, SWT.PUSH|SWT.BORDER);
		
		Command shellCommand = new Command(shell, Command.SELECT,0);
		shellCommand.setText("FullScreen");
		shellCommand.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				shell.setFullScreenMode(true);
				resetButton.setVisible(true);
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		resetButton.setText("Normal Screen");
		resetButton.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				shell.setFullScreenMode(false);
				resetButton.setVisible(false);
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		// Create SortedList and add items
		SortedList sortedList = new SortedList(
				shell, 
				SWT.MULTI|SWT.V_SCROLL|SWT.BORDER, 
				SortedList.FILTER);
		sortedList.add("banana");
		sortedList.add("123");
		sortedList.add("12");
		sortedList.add("happyhour");
		sortedList.add("toobad");
		sortedList.add("youknowwhat");
		sortedList.add("yes");
		sortedList.add("886222333");
		
		// Create ListView and add items with image set
		Image[] image = new Image[4];
		image[0] = new Image(
				Display.getDefault(), 
				MobileExtensionSample.class.getResource\
				AsStream("/icons/sample.gif"));
		image[1] = new Image(
				Display.getDefault(), 
				MobileExtensionSample.class.getResource\
				AsStream("/icons/sample.gif"));
		image[2] = new Image(
				Display.getDefault(), 
				MobileExtensionSample.class.getResource\
				AsStream("/icons/sample.gif"));
		image[3] = new Image(
				Display.getDefault(), 
				MobileExtensionSample.class.getResource\
				AsStream("/icons/sample.gif"));
		
		final ListView lv = new ListView(shell, SWT.MULTI|SWT.BORDER);
		for (int i=0; i<20; i++) {
			lv.add("item"+i, image[i % 4]);
		}
		
		//Create a Command for setting low density
		Command lowCommand = new Command(lv, Command.SELECT, 0);
		lowCommand.setText("LOW");
		lowCommand.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				lv.setLayoutDensity(ListView.LOW);
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		//Create a Command for setting high density
		Command midCommand = new Command(lv, Command.SELECT, 0);
		midCommand.setText("MEDIUM");
		midCommand.addSelectionListener(new SelectionListener(){
			public void widgetSelected(SelectionEvent e) {
				lv.setLayoutDensity(ListView.MEDIUM);
			}
			public void widgetDefaultSelected(SelectionEvent e) {
			}});
		
		FormLayout layout = new FormLayout();
		layout.spacing = 2;
		layout.marginHeight = layout.marginHeight = 2;
		shell.setLayout(layout);
		FormData sortedListData = new FormData();
		sortedListData.top = new FormAttachment(0);
		sortedListData.left = new FormAttachment(0);
		sortedListData.right = new FormAttachment(100);
		sortedListData.height = 120;
		sortedList.setLayoutData(sortedListData);
		FormData lvData = new FormData();
		lvData.top = new FormAttachment(sortedList);
		lvData.right = new FormAttachment(100);
		lvData.left = new FormAttachment(0);
		lvData.height = 130;
		lv.setLayoutData(lvData);
		FormData resetData = new FormData();
		resetData.top = new FormAttachment(lv);
		resetData.left = new FormAttachment(0);
		resetButton.setLayoutData(resetData);
		resetButton.setVisible(false);
		
		shell.setSize(240,320);
		shell.setText("Mobile Example");
		shell.open();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
		display.dispose();
	}
}

public class DefaultView extends ViewPart {
	public void createPartControl(Composite parent) { 
	//create a composite with fill layout to host a label
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayout(new FillLayout());
	// create a label 
	Label label = new Label(composite,SWT.CENTER); 
	label.setText("Hello eWorkbench!"); }
	public void setFocus() {}
}

<extension point="org.eclipse.ui.views"> 
	<view allowMultiple="false"
		category="org.eclipse.ercp.eworkbench.viewCategory" 
		class="com.ibm.ercp.application.views.DefaultView" 
		icon="icons/sample.gif"
		id="com.ibm.ercp.application.defaultView" 
		name="Sample DefaultView"/> 
</extension>

<extension point="org.eclipse.ercp.eworkbench.applications">
	<application id="com.ibm.ercp.application" name=\
	"IBM Sample Application" singleton="true"> 
		<views normal="com.ibm.ercp.application.views.normal" />
	</application> 
</extension>