BringUpBrowser.java Source code

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Here is the source code for BringUpBrowser.java

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/*******************************************************************************
 * 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();
    }
}