The code is as follows:
Browserexample.java
Copy Code code as follows:
Package Swt_jface.demo5;
Import Java.text.MessageFormat;
Import java.util.MissingResourceException;
Import Org.eclipse.swt.SWT;
Import Org.eclipse.swt.SWTError;
Import Org.eclipse.swt.browser.Browser;
Import Org.eclipse.swt.browser.CloseWindowListener;
Import org.eclipse.swt.browser.LocationEvent;
Import Org.eclipse.swt.browser.LocationListener;
Import Org.eclipse.swt.browser.OpenWindowListener;
Import org.eclipse.swt.browser.ProgressEvent;
Import Org.eclipse.swt.browser.ProgressListener;
Import org.eclipse.swt.browser.StatusTextEvent;
Import Org.eclipse.swt.browser.StatusTextListener;
Import org.eclipse.swt.browser.TitleEvent;
Import Org.eclipse.swt.browser.TitleListener;
Import Org.eclipse.swt.browser.VisibilityWindowListener;
Import org.eclipse.swt.browser.WindowEvent;
Import Org.eclipse.swt.graphics.Image;
Import Org.eclipse.swt.graphics.Point;
Import Org.eclipse.swt.graphics.Rectangle;
Import Org.eclipse.swt.layout.FillLayout;
Import org.eclipse.swt.layout.FormAttachment;
Import Org.eclipse.swt.layout.FormData;
Import Org.eclipse.swt.layout.FormLayout;
Import Org.eclipse.swt.widgets.Canvas;
Import Org.eclipse.swt.widgets.Composite;
Import Org.eclipse.swt.widgets.Display;
Import org.eclipse.swt.widgets.Event;
Import Org.eclipse.swt.widgets.Label;
Import Org.eclipse.swt.widgets.Listener;
Import Org.eclipse.swt.widgets.ProgressBar;
Import Org.eclipse.swt.widgets.Shell;
Import Org.eclipse.swt.widgets.Text;
Import Org.eclipse.swt.widgets.ToolBar;
Import Org.eclipse.swt.widgets.ToolItem;
public class Browserexample {
static ResourceBundle ResourceBundle = Resourcebundle.getbundle ("Examples_browser");
int index;
Boolean busy;
Image images[];
Text location;
Browser Browser;
Static final string[] Imagelocations = {
"Eclipse01.bmp", "Eclipse02.bmp", "Eclipse03.bmp", "Eclipse04.bmp", "Eclipse05.bmp",
"Eclipse06.bmp", "Eclipse07.bmp", "Eclipse08.bmp", "Eclipse09.bmp", "Eclipse10.bmp",
"Eclipse11.bmp", "Eclipse12.bmp",};
Static final String iconlocation = "Document.gif";
Public Browserexample (composite parent) {
Final display display = Parent.getdisplay ();
Formlayout layout = new Formlayout ();
Parent.setlayout (layout);
ToolBar ToolBar = new ToolBar (parent, SWT. NONE);
Final Toolitem itemback = new Toolitem (toolbar, SWT. PUSH);
Itemback.settext (Getresourcestring ("Back"));
Final Toolitem Itemforward = new Toolitem (toolbar, SWT. PUSH);
Itemforward.settext (getresourcestring ("Forward"));
Final Toolitem itemstop = new Toolitem (toolbar, SWT. PUSH);
Itemstop.settext (getresourcestring ("Stop"));
Final Toolitem Itemrefresh = new Toolitem (toolbar, SWT. PUSH);
Itemrefresh.settext (getresourcestring ("Refresh"));
Final Toolitem Itemgo = new Toolitem (toolbar, SWT. PUSH);
Itemgo.settext (getresourcestring ("Go"));
Location = new Text (parent, SWT. BORDER);
Images = new Image[]{new Image (display, "C:/icons/web/go.gif")};
Final Canvas Canvas = new Canvas (parent, swt.no_background);
Final Rectangle rect = Images[0].getbounds ();
Canvas.addlistener (SWT. Paint, New Listener () {
public void Handleevent (Event e) {
Point pt = Canvas.getsize ();
E.gc.drawimage (Images[index], 0, 0, rect.width, rect.height, 0, 0, pt.x, PT.Y);
}
});
Canvas.addlistener (SWT. MouseDown, New Listener () {
public void Handleevent (Event e) {
Browser.seturl (getresourcestring ("Startup"));
}
});
Display.asyncexec (New Runnable () {
public void Run () {
if (canvas.isdisposed ()) return;
if (busy) {
index++;
if (index = = images.length) index = 0;
Canvas.redraw ();
}
Display.timerexec (this);
}
});
Final label status = new label (parent, SWT. NONE);
Final ProgressBar ProgressBar = new ProgressBar (parent, SWT. NONE);
FormData data = new FormData ();
Data.top = new Formattachment (0, 5);
Toolbar.setlayoutdata (data);
data = new FormData ();
Data.left = new Formattachment (0, 0);
Data.right = new Formattachment (100, 0);
Data.top = new Formattachment (canvas, 5, SWT. DEFAULT);
Data.bottom = new Formattachment (status, -5, SWT. DEFAULT);
try {
browser = new browser (parent, SWT. NONE);
Browser.setlayoutdata (data);
catch (Swterror e) {
Label label = new label (parent, SWT. CENTER | Swt. WRAP);
Label.settext (getresourcestring ("browsernotcreated"));
Label.setlayoutdata (data);
}
data = new FormData ();
Data.width = 24;
Data.height = 24;
Data.top = new Formattachment (0, 5);
Data.right = new Formattachment (100,-5);
Canvas.setlayoutdata (data);
data = new FormData ();
Data.top = new Formattachment (toolbar, 0, SWT. top);
Data.left = new Formattachment (toolbar, 5, SWT. right);
Data.right = new Formattachment (canvas, -5, SWT. DEFAULT);
Location.setlayoutdata (data);
data = new FormData ();
Data.left = new Formattachment (0, 5);
Data.right = new Formattachment (ProgressBar, 0, SWT. DEFAULT);
Data.bottom = new Formattachment (100,-5);
Status.setlayoutdata (data);
data = new FormData ();
Data.right = new Formattachment (100,-5);
Data.bottom = new Formattachment (100,-5);
Progressbar.setlayoutdata (data);
if (browser!= null) {
Itemback.setenabled (browser.isbackenabled ());
Itemforward.setenabled (browser.isforwardenabled ());
Listener Listener = new Listener () {
public void Handleevent (event event) {
Toolitem item = (toolitem) event.widget;
if (item = = Itemback) browser.back ();
else if (item = = Itemforward) Browser.forward ();
else if (item = = Itemstop) browser.stop ();
else if (item = = Itemrefresh) Browser.refresh ();
else if (item = = Itemgo) Browser.seturl (Location.gettext ());
}
};
Browser.addlocationlistener (New Locationlistener () {
public void Changed (Locationevent event) {
Busy = true;
if (event.top) Location.settext (event.location);
}
public void changing (Locationevent event) {
}
});
Browser.addprogresslistener (New Progresslistener () {
public void Changed (Progressevent event) {
if (Event.total = = 0) return;
int ratio = Event.current * 100/event.total;
Progressbar.setselection (ratio);
Busy = Event.current!= event.total;
if (!busy) {
index = 0;
Canvas.redraw ();
}
}
public void completed (Progressevent event) {
Itemback.setenabled (browser.isbackenabled ());
Itemforward.setenabled (browser.isforwardenabled ());
Progressbar.setselection (0);
Busy = false;
index = 0;
Canvas.redraw ();
}
});
Browser.addstatustextlistener (New Statustextlistener () {
public void Changed (Statustextevent event) {
Status.settext (Event.text);
}
});
if (parent instanceof Shell) {
Final Shell shell = (shell) parent;
Browser.addtitlelistener (New Titlelistener () {
public void Changed (Titleevent event) {
Shell.settext (event.title+ "-" +getresourcestring ("Window.title"));
}
});
}
Itemback.addlistener (SWT. Selection, listener);
Itemforward.addlistener (SWT. Selection, listener);
Itemstop.addlistener (SWT. Selection, listener);
Itemrefresh.addlistener (SWT. Selection, listener);
Itemgo.addlistener (SWT. Selection, listener);
Location.addlistener (SWT. Defaultselection, New Listener () {
public void Handleevent (Event e) {
Browser.seturl (Location.gettext ());
}
});
Initialize (display, browser);
Browser.seturl (getresourcestring ("Startup"));
}
}
static string getresourcestring (String key) {
try {
Return "key";
catch (MissingResourceException e) {
Return key;
catch (NullPointerException e) {
Return "!" + key + "!";
}
}
static string getresourcestring (String key, object[] args) {
try {
Return Messageformat.format (getresourcestring (key), args);
catch (MissingResourceException e) {
Return key;
catch (NullPointerException e) {
Return "!" + key + "!";
}
}
static void Initialize (final display display, Browser Browser) {
Browser.addopenwindowlistener (New Openwindowlistener () {
public void Open (WindowEvent event) {
System.out.println ("Open");
Shell shell = new shell (display);
Shell.setlayout (New Filllayout ());
Browser Browser = new Browser (Shell, SWT. NONE);
Initialize (display, browser);
Event.browser = browser;
}
});
Browser.addvisibilitywindowlistener (New Visibilitywindowlistener () {
public void Hide (WindowEvent event) {
}
public void Show (WindowEvent event) {
System.out.println ("show");
Browser Browser = (Browser) event.widget;
Shell shell = Browser.getshell ();
if (event.location!= null) shell.setlocation (event.location);
if (event.size!= null) {
Point size = event.size;
Shell.setsize (Shell.computesize (size.x, size.y));
}
Shell.open ();
}
});
Browser.addclosewindowlistener (New Closewindowlistener () {
public void Close (WindowEvent event) {
System.out.println ("close");
Browser Browser = (Browser) event.widget;
Shell shell = Browser.getshell ();
Shell.close ();
}
});
}
public void Dispose () {
Freeresources ();
}
void Freeresources () {
if (images!= null) {
for (int i = 0; i < images.length; ++i) {
Final image image = Images[i];
if (image!= null) image.dispose ();
}
images = null;
}
}
public void SetFocus () {
Location.setfocus ();
}
public static void Main (String [] args) {
Display display = new display ();
Shell shell = new shell (display);
Shell.setlayout (New Filllayout ());
Shell.settext ("Browser example");
Browserexample instance = new Browserexample (shell);
Image icon = new Image (Display, "c:/icons/web/go.gif");
Shell.setimage (icon);
Shell.open ();
while (!shell.isdisposed ()) {
if (!display.readanddispatch ())
Display.sleep ();
}
Icon.dispose ();
Instance.dispose ();
Display.dispose ();
}
}
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