update/org.eclipse.update.ui.win32/src/org/eclipse/welcome/internal/webbrowser/WebBrowserEditor.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.welcome.internal.webbrowser;

 import org.eclipse.core.resources.IMarker;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.jface.action.*;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.layout.*;
 import org.eclipse.swt.ole.win32.*;
 import org.eclipse.swt.widgets.*;
 import org.eclipse.ui.*;
 import org.eclipse.ui.IActionBars;
 import org.eclipse.ui.help.WorkbenchHelp;
 import org.eclipse.ui.part.EditorPart;
 import org.eclipse.welcome.internal.*;

 public class WebBrowserEditor extends EditorPart implements IEmbeddedWebBrowser {
 	// NL
 	private static final String KEY_NOT_AVAILABLE =
 		"WebBrowserView.notAvailable";
 	private static final String KEY_ADDRESS = "WebBrowserView.address";
 	private static final String KEY_STOP = "WebBrowserView.stop";
 	private static final String KEY_GO = "WebBrowserView.go";
 	private static final String KEY_REFRESH = "WebBrowserView.refresh";
 	private static final String KEY_BACKWARD = "WebBrowserView.backward";
 	private static final String KEY_FORWARD = "WebBrowserView.forward";

 	private int ADDRESS_SIZE = 10;
 	private WebBrowser browser;
 	private Control control;
 	private Combo addressCombo;
 	private Object input;
 	private ToolBarManager toolBarManager;
 	private Action refreshAction;
 	private Action stopAction;
 	private Action goAction;
 	private GlobalActionHandler globalActionHandler;
 	private IWebBrowserListener listener;

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.ISaveablePart#doSave(org.eclipse.core.runtime.IProgressMonitor)
 	 */
 	public void doSave(IProgressMonitor monitor) {
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.ISaveablePart#doSaveAs()
 	 */
 	public void doSaveAs() {
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.IEditorPart#gotoMarker(org.eclipse.core.resources.IMarker)
 	 */
 	public void gotoMarker(IMarker marker) {
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.IEditorPart#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput)
 	 */
 	public void init(IEditorSite site, IEditorInput input)
 		throws PartInitException {
 		if (!(input instanceof WebBrowserEditorInput))
 			throw new PartInitException("Invalid Input: Must be WelcomeEditorInput");
 		setSite(site);
 		setInput(input);
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.ISaveablePart#isDirty()
 	 */
 	public boolean isDirty() {
 		return false;
 	}

 	/* (non-Javadoc)
 	 * @see org.eclipse.ui.ISaveablePart#isSaveAsAllowed()
 	 */
 	public boolean isSaveAsAllowed() {
 		return false;
 	}

 	public WebBrowserEditor() {
 	}

 	/**
 	 * @see IFormPage#createControl(Composite)
 	 */
 	public void createPartControl(Composite parent) {
 		Composite container = new Composite(parent, SWT.NULL);
 		control = container;
 		GridLayout layout = new GridLayout();
 		layout.marginWidth = 0;
 		layout.marginHeight = 0;
 		layout.verticalSpacing = 0;
 		container.setLayout(layout);

 		Composite navContainer = new Composite(container, SWT.NONE);
 		layout = new GridLayout();
 		layout.numColumns = 3;
 		layout.marginHeight = 1;
 		navContainer.setLayout(layout);
 		createNavBar(navContainer);
 		navContainer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		final WebBrowser winBrowser = new WebBrowser(container);
 		browser = winBrowser;

 		Control c = browser.getControl();
 		c.setLayoutData(new GridData(GridData.FILL_BOTH));
 		final BrowserControlSite site = winBrowser.getControlSite();
 		IStatusLineManager smng =
 			getEditorSite().getActionBars().getStatusLineManager();
 		site.setStatusLineManager(smng);

 		site.addEventListener(WebBrowser.DownloadComplete, new OleListener() {
 			public void handleEvent(OleEvent event) {
 				String url = winBrowser.getLocationURL();
 				if (url != null) {
 					addressCombo.setText(url);
 					downloadComplete(url);
 				}
 			}
 		});
 		site.addEventListener(WebBrowser.DownloadBegin, new OleListener() {
 			public void handleEvent(OleEvent event) {
 				stopAction.setEnabled(true);
 				refreshAction.setEnabled(false);
 			}
 		});
 		WorkbenchHelp.setHelp(container, "org.eclipse.update.ui.WebBrowserView");
 		WebBrowserEditorInput input = (WebBrowserEditorInput)getEditorInput();
 		openTo(input.getURL());
 	}

 	public void openTo(final String url) {
 		addressCombo.setText(url);
 		control.getDisplay().asyncExec(new Runnable() {
 			public void run() {
 				navigate(url);
 			}
 		});
 	}

 	private void downloadComplete(String url) {
 		stopAction.setEnabled(false);
 		refreshAction.setEnabled(true);
 		if (listener!=null)
 			listener.stateChanged();
 	}

 	public void setListener(IWebBrowserListener listener) {
 		this.listener = listener;
 	}

 	private void createNavBar(Composite parent) {
 		Label addressLabel = new Label(parent, SWT.NONE);
 		addressLabel.setText(WelcomePortal.getString(KEY_ADDRESS));

 		addressCombo = new Combo(parent, SWT.DROP_DOWN | SWT.BORDER);
 		addressCombo.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				String text = addressCombo.getText();
 				goAction.setEnabled(text.length() > 0);
 			}
 		});
 		addressCombo.addSelectionListener(new SelectionListener() {
 			public void widgetSelected(SelectionEvent e) {
 				String text =
 					addressCombo.getItem(addressCombo.getSelectionIndex());
 				if (text.length() > 0)
 					navigate(text);
 			}
 			public void widgetDefaultSelected(SelectionEvent e) {
 				navigate(addressCombo.getText());
 			}
 		});
 		GridData gd = new GridData(GridData.FILL_HORIZONTAL);
 		addressCombo.setLayoutData(gd);
 		ToolBar toolbar = new ToolBar(parent, SWT.FLAT | SWT.HORIZONTAL);
 		toolBarManager = new ToolBarManager(toolbar);
 		makeActions();
 		IActionBars bars = getEditorSite().getActionBars();
 		globalActionHandler = new GlobalActionHandler(bars, addressCombo);
 	}

 	private void navigate(String url) {
 		browser.navigate(url);
 		String[] items = addressCombo.getItems();
 		int loc = -1;
 		String normURL = getNormalizedURL(url);
 		for (int i = 0; i < items.length; i++) {
 			String normItem = getNormalizedURL(items[i]);
 			if (normURL.equals(normItem)) {
 				// match
 				loc = i;
 				break;
 			}
 		}
 		if (loc != -1) {
 			addressCombo.remove(loc);
 		}
 		addressCombo.add(url, 0);
 		if (addressCombo.getItemCount() > ADDRESS_SIZE) {
 			addressCombo.remove(addressCombo.getItemCount() - 1);
 		}
 		addressCombo.getParent().layout(true);
 	}

 	void back() {
 		browser.back();
 	}
 	void forward() {
 		browser.forward();
 	}
 	boolean isBackwardEnabled() {
 		return browser.isBackwardEnabled();
 	}
 	boolean isForwardEnabled() {
 		return browser.isForwardEnabled();
 	}

 	private void makeActions() {
 		goAction = new Action() {
 			public void run() {
 				navigate(addressCombo.getText());
 			}
 		};
 		goAction.setEnabled(false);
 		goAction.setToolTipText(WelcomePortal.getString(KEY_GO));
 		goAction.setImageDescriptor(WelcomePortalImages.DESC_GO_NAV);
 		goAction.setDisabledImageDescriptor(WelcomePortalImages.DESC_GO_NAV_D);
 		goAction.setHoverImageDescriptor(WelcomePortalImages.DESC_GO_NAV_H);

 		stopAction = new Action() {
 			public void run() {
 				browser.stop();
 			}
 		};
 		stopAction.setToolTipText(WelcomePortal.getString(KEY_STOP));
 		stopAction.setImageDescriptor(WelcomePortalImages.DESC_STOP_NAV);
 		stopAction.setDisabledImageDescriptor(
 			WelcomePortalImages.DESC_STOP_NAV_D);
 		stopAction.setHoverImageDescriptor(
 			WelcomePortalImages.DESC_STOP_NAV_H);
 		stopAction.setEnabled(false);

 		refreshAction = new Action() {
 			public void run() {
 				browser.refresh();
 			}
 		};
 		refreshAction.setToolTipText(
 			WelcomePortal.getString(KEY_REFRESH));
 		refreshAction.setImageDescriptor(WelcomePortalImages.DESC_REFRESH_NAV);
 		refreshAction.setDisabledImageDescriptor(
 			WelcomePortalImages.DESC_REFRESH_NAV_D);
 		refreshAction.setHoverImageDescriptor(
 			WelcomePortalImages.DESC_REFRESH_NAV_H);
 		refreshAction.setEnabled(false);

 		toolBarManager.add(goAction);
 		toolBarManager.add(new Separator());
 		toolBarManager.add(stopAction);
 		toolBarManager.add(refreshAction);
 		toolBarManager.update(true);
 	}

 	private String getNormalizedURL(String url) {
 		url = url.toLowerCase();
 		if (url.indexOf("://") == -1) {
 			url = "http://" + url;
 		}
 		return url;
 	}

 	public void dispose() {
 		if (browser != null)
 			browser.dispose();
 		globalActionHandler.dispose();
 		super.dispose();
 	}

 	public void setFocus() {
 		if (control != null)
 			control.setFocus();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.welcome.internal.webbrowser;

	import org.eclipse.core.resources.IMarker;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.jface.action.*;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.layout.*;
	import org.eclipse.swt.ole.win32.*;
	import org.eclipse.swt.widgets.*;
	import org.eclipse.ui.*;
	import org.eclipse.ui.IActionBars;
	import org.eclipse.ui.help.WorkbenchHelp;
	import org.eclipse.ui.part.EditorPart;
	import org.eclipse.welcome.internal.*;

	public class WebBrowserEditor extends EditorPart implements IEmbeddedWebBrowser {
	// NL
	private static final String KEY_NOT_AVAILABLE =
	"WebBrowserView.notAvailable";
	private static final String KEY_ADDRESS = "WebBrowserView.address";
	private static final String KEY_STOP = "WebBrowserView.stop";
	private static final String KEY_GO = "WebBrowserView.go";
	private static final String KEY_REFRESH = "WebBrowserView.refresh";
	private static final String KEY_BACKWARD = "WebBrowserView.backward";
	private static final String KEY_FORWARD = "WebBrowserView.forward";

	private int ADDRESS_SIZE = 10;
	private WebBrowser browser;
	private Control control;
	private Combo addressCombo;
	private Object input;
	private ToolBarManager toolBarManager;
	private Action refreshAction;
	private Action stopAction;
	private Action goAction;
	private GlobalActionHandler globalActionHandler;
	private IWebBrowserListener listener;

	/* (non-Javadoc)
	* @see org.eclipse.ui.ISaveablePart#doSave(org.eclipse.core.runtime.IProgressMonitor)
	*/
	public void doSave(IProgressMonitor monitor) {
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.ISaveablePart#doSaveAs()
	*/
	public void doSaveAs() {
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.IEditorPart#gotoMarker(org.eclipse.core.resources.IMarker)
	*/
	public void gotoMarker(IMarker marker) {
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.IEditorPart#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput)
	*/
	public void init(IEditorSite site, IEditorInput input)
	throws PartInitException {
	if (!(input instanceof WebBrowserEditorInput))
	throw new PartInitException("Invalid Input: Must be WelcomeEditorInput");
	setSite(site);
	setInput(input);
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.ISaveablePart#isDirty()
	*/
	public boolean isDirty() {
	return false;
	}

	/* (non-Javadoc)
	* @see org.eclipse.ui.ISaveablePart#isSaveAsAllowed()
	*/
	public boolean isSaveAsAllowed() {
	return false;
	}

	public WebBrowserEditor() {
	}

	/**
	* @see IFormPage#createControl(Composite)
	*/
	public void createPartControl(Composite parent) {
	Composite container = new Composite(parent, SWT.NULL);
	control = container;
	GridLayout layout = new GridLayout();
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	layout.verticalSpacing = 0;
	container.setLayout(layout);

	Composite navContainer = new Composite(container, SWT.NONE);
	layout = new GridLayout();
	layout.numColumns = 3;
	layout.marginHeight = 1;
	navContainer.setLayout(layout);
	createNavBar(navContainer);
	navContainer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	final WebBrowser winBrowser = new WebBrowser(container);
	browser = winBrowser;

	Control c = browser.getControl();
	c.setLayoutData(new GridData(GridData.FILL_BOTH));
	final BrowserControlSite site = winBrowser.getControlSite();
	IStatusLineManager smng =
	getEditorSite().getActionBars().getStatusLineManager();
	site.setStatusLineManager(smng);

	site.addEventListener(WebBrowser.DownloadComplete, new OleListener() {
	public void handleEvent(OleEvent event) {
	String url = winBrowser.getLocationURL();
	if (url != null) {
	addressCombo.setText(url);
	downloadComplete(url);
	}
	}
	});
	site.addEventListener(WebBrowser.DownloadBegin, new OleListener() {
	public void handleEvent(OleEvent event) {
	stopAction.setEnabled(true);
	refreshAction.setEnabled(false);
	}
	});
	WorkbenchHelp.setHelp(container, "org.eclipse.update.ui.WebBrowserView");
	WebBrowserEditorInput input = (WebBrowserEditorInput)getEditorInput();
	openTo(input.getURL());
	}

	public void openTo(final String url) {
	addressCombo.setText(url);
	control.getDisplay().asyncExec(new Runnable() {
	public void run() {
	navigate(url);
	}
	});
	}

	private void downloadComplete(String url) {
	stopAction.setEnabled(false);
	refreshAction.setEnabled(true);
	if (listener!=null)
	listener.stateChanged();
	}

	public void setListener(IWebBrowserListener listener) {
	this.listener = listener;
	}

	private void createNavBar(Composite parent) {
	Label addressLabel = new Label(parent, SWT.NONE);
	addressLabel.setText(WelcomePortal.getString(KEY_ADDRESS));

	addressCombo = new Combo(parent, SWT.DROP_DOWN \| SWT.BORDER);
	addressCombo.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	String text = addressCombo.getText();
	goAction.setEnabled(text.length() > 0);
	}
	});
	addressCombo.addSelectionListener(new SelectionListener() {
	public void widgetSelected(SelectionEvent e) {
	String text =
	addressCombo.getItem(addressCombo.getSelectionIndex());
	if (text.length() > 0)
	navigate(text);
	}
	public void widgetDefaultSelected(SelectionEvent e) {
	navigate(addressCombo.getText());
	}
	});
	GridData gd = new GridData(GridData.FILL_HORIZONTAL);
	addressCombo.setLayoutData(gd);
	ToolBar toolbar = new ToolBar(parent, SWT.FLAT \| SWT.HORIZONTAL);
	toolBarManager = new ToolBarManager(toolbar);
	makeActions();
	IActionBars bars = getEditorSite().getActionBars();
	globalActionHandler = new GlobalActionHandler(bars, addressCombo);
	}

	private void navigate(String url) {
	browser.navigate(url);
	String[] items = addressCombo.getItems();
	int loc = -1;
	String normURL = getNormalizedURL(url);
	for (int i = 0; i < items.length; i++) {
	String normItem = getNormalizedURL(items[i]);
	if (normURL.equals(normItem)) {
	// match
	loc = i;
	break;
	}
	}
	if (loc != -1) {
	addressCombo.remove(loc);
	}
	addressCombo.add(url, 0);
	if (addressCombo.getItemCount() > ADDRESS_SIZE) {
	addressCombo.remove(addressCombo.getItemCount() - 1);
	}
	addressCombo.getParent().layout(true);
	}

	void back() {
	browser.back();
	}
	void forward() {
	browser.forward();
	}
	boolean isBackwardEnabled() {
	return browser.isBackwardEnabled();
	}
	boolean isForwardEnabled() {
	return browser.isForwardEnabled();
	}

	private void makeActions() {
	goAction = new Action() {
	public void run() {
	navigate(addressCombo.getText());
	}
	};
	goAction.setEnabled(false);
	goAction.setToolTipText(WelcomePortal.getString(KEY_GO));
	goAction.setImageDescriptor(WelcomePortalImages.DESC_GO_NAV);
	goAction.setDisabledImageDescriptor(WelcomePortalImages.DESC_GO_NAV_D);
	goAction.setHoverImageDescriptor(WelcomePortalImages.DESC_GO_NAV_H);

	stopAction = new Action() {
	public void run() {
	browser.stop();
	}
	};
	stopAction.setToolTipText(WelcomePortal.getString(KEY_STOP));
	stopAction.setImageDescriptor(WelcomePortalImages.DESC_STOP_NAV);
	stopAction.setDisabledImageDescriptor(
	WelcomePortalImages.DESC_STOP_NAV_D);
	stopAction.setHoverImageDescriptor(
	WelcomePortalImages.DESC_STOP_NAV_H);
	stopAction.setEnabled(false);

	refreshAction = new Action() {
	public void run() {
	browser.refresh();
	}
	};
	refreshAction.setToolTipText(
	WelcomePortal.getString(KEY_REFRESH));
	refreshAction.setImageDescriptor(WelcomePortalImages.DESC_REFRESH_NAV);
	refreshAction.setDisabledImageDescriptor(
	WelcomePortalImages.DESC_REFRESH_NAV_D);
	refreshAction.setHoverImageDescriptor(
	WelcomePortalImages.DESC_REFRESH_NAV_H);
	refreshAction.setEnabled(false);

	toolBarManager.add(goAction);
	toolBarManager.add(new Separator());
	toolBarManager.add(stopAction);
	toolBarManager.add(refreshAction);
	toolBarManager.update(true);
	}

	private String getNormalizedURL(String url) {
	url = url.toLowerCase();
	if (url.indexOf("://") == -1) {
	url = "http://" + url;
	}
	return url;
	}

	public void dispose() {
	if (browser != null)
	browser.dispose();
	globalActionHandler.dispose();
	super.dispose();
	}

	public void setFocus() {
	if (control != null)
	control.setFocus();
	}
	}