Bring up a browser
/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: IBM Corporation - initial API and implementation
******************************************************************************/
/*
* Browser example snippet: bring up a browser
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.browser.LocationEvent;
import org.eclipse.swt.browser.LocationListener;
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.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
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 BringUpBrowser {
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
GridLayout gridLayout = new GridLayout();
gridLayout.numColumns = 3;
shell.setLayout(gridLayout);
ToolBar toolbar = new ToolBar(shell, SWT.NONE);
ToolItem itemBack = new ToolItem(toolbar, SWT.PUSH);
itemBack.setText("Back");
ToolItem itemForward = new ToolItem(toolbar, SWT.PUSH);
itemForward.setText("Forward");
ToolItem itemStop = new ToolItem(toolbar, SWT.PUSH);
itemStop.setText("Stop");
ToolItem itemRefresh = new ToolItem(toolbar, SWT.PUSH);
itemRefresh.setText("Refresh");
ToolItem itemGo = new ToolItem(toolbar, SWT.PUSH);
itemGo.setText("Go");
GridData data = new GridData();
data.horizontalSpan = 3;
toolbar.setLayoutData(data);
Label labelAddress = new Label(shell, SWT.NONE);
labelAddress.setText("Address");
final Text location = new Text(shell, SWT.BORDER);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.horizontalSpan = 2;
data.grabExcessHorizontalSpace = true;
location.setLayoutData(data);
final Browser browser = new Browser(shell, SWT.NONE);
data = new GridData();
data.horizontalAlignment = GridData.FILL;
data.verticalAlignment = GridData.FILL;
data.horizontalSpan = 3;
data.grabExcessHorizontalSpace = true;
data.grabExcessVerticalSpace = true;
browser.setLayoutData(data);
final Label status = new Label(shell, SWT.NONE);
data = new GridData(GridData.FILL_HORIZONTAL);
data.horizontalSpan = 2;
status.setLayoutData(data);
final ProgressBar progressBar = new ProgressBar(shell, SWT.NONE);
data = new GridData();
data.horizontalAlignment = GridData.END;
progressBar.setLayoutData(data);
/* event handling */
Listener listener = new Listener() {
public void handleEvent(Event event) {
ToolItem item = (ToolItem) event.widget;
String string = item.getText();
if (string.equals("Back"))
browser.back();
else if (string.equals("Forward"))
browser.forward();
else if (string.equals("Stop"))
browser.stop();
else if (string.equals("Refresh"))
browser.refresh();
else if (string.equals("Go"))
browser.setUrl(location.getText());
}
};
browser.addProgressListener(new ProgressListener() {
public void changed(ProgressEvent event) {
if (event.total == 0)
return;
int ratio = event.current * 100 / event.total;
progressBar.setSelection(ratio);
}
public void completed(ProgressEvent event) {
progressBar.setSelection(0);
}
});
browser.addStatusTextListener(new StatusTextListener() {
public void changed(StatusTextEvent event) {
status.setText(event.text);
}
});
browser.addLocationListener(new LocationListener() {
public void changed(LocationEvent event) {
if (event.top)
location.setText(event.location);
}
public void changing(LocationEvent event) {
}
});
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());
}
});
shell.open();
browser.setUrl("http://eclipse.org");
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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