root / tmp / org.txm.libs.javafx / swt / TXMJFXBrowserEditor.java @ 3166
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/*******************************************************************************
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* Copyright (c) 2003, 2016 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - Initial API and implementation
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*
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*
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*******************************************************************************/
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package snippet; |
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import java.beans.PropertyChangeListener; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import org.eclipse.core.runtime.Adapters; |
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import org.eclipse.core.runtime.IPath; |
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import org.eclipse.core.runtime.IProgressMonitor; |
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import org.eclipse.jface.action.IAction; |
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import org.eclipse.jface.resource.ImageDescriptor; |
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import org.eclipse.osgi.util.NLS; |
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import org.eclipse.swt.graphics.Image; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Display; |
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import org.eclipse.ui.IActionBars; |
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import org.eclipse.ui.IEditorDescriptor; |
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import org.eclipse.ui.IEditorInput; |
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import org.eclipse.ui.IEditorPart; |
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import org.eclipse.ui.IEditorReference; |
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import org.eclipse.ui.IEditorRegistry; |
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import org.eclipse.ui.IEditorSite; |
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import org.eclipse.ui.IPathEditorInput; |
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import org.eclipse.ui.IWorkbenchPage; |
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import org.eclipse.ui.IWorkbenchWindow; |
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import org.eclipse.ui.PartInitException; |
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import org.eclipse.ui.PlatformUI; |
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import org.eclipse.ui.browser.IWorkbenchBrowserSupport; |
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import org.eclipse.ui.internal.browser.BrowserViewer; |
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import org.eclipse.ui.internal.browser.IBrowserViewerContainer; |
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import org.eclipse.ui.internal.browser.ImageResource; |
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import org.eclipse.ui.internal.browser.TextAction; |
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import org.eclipse.ui.internal.browser.Trace; |
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import org.eclipse.ui.internal.browser.WebBrowserEditorInput; |
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import org.eclipse.ui.internal.browser.WebBrowserUIPlugin; |
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import org.eclipse.ui.part.EditorPart; |
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/**
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* An integrated JFX Web browser (webkit), defined as an editor to make better use of the desktop.
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*
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* TODO the JFXBrowser has to implements lots of event trigger to be fully functionnal
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*/
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public class TXMJFXBrowserEditor extends EditorPart implements IBrowserViewerContainer { |
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protected static final String PROPERTY_TITLE = "title"; //$NON-NLS-1$ |
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public static final String WEB_BROWSER_EDITOR_ID = "org.txm.rcp.editors.TXMJFXBrowserEditor"; //$NON-NLS-1$ |
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protected JFXBrowserViewer webBrowser;
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protected String initialURL; |
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protected Image image; |
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protected TextAction cutAction; |
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protected TextAction copyAction; |
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protected TextAction pasteAction; |
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private boolean disposed; |
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private boolean lockName; |
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/**
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* WebBrowserEditor constructor comment.
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*/
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public TXMJFXBrowserEditor() {
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super();
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} |
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@Override
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public void createPartControl(Composite parent) { |
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WebBrowserEditorInput input = getWebBrowserEditorInput(); |
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int style = 0; |
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if (input == null || input.isLocationBarLocal()) { |
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style += BrowserViewer.LOCATION_BAR; |
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} |
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if (input == null || input.isToolbarLocal()) { |
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style += BrowserViewer.BUTTON_BAR; |
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} |
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webBrowser = new JFXBrowserViewer(parent, style);
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webBrowser.setURL(initialURL); |
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webBrowser.setContainer(this);
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if (input == null || input.isLocationBarLocal()) { |
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// cutAction = new TextAction(webBrowser, TextAction.CUT);
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// copyAction = new TextAction(webBrowser, TextAction.COPY);
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// pasteAction = new TextAction(webBrowser, TextAction.PASTE);
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} |
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if (!lockName) {
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PropertyChangeListener propertyChangeListener = event -> {
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if (PROPERTY_TITLE.equals(event.getPropertyName())) {
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setPartName((String) event.getNewValue());
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} |
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}; |
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webBrowser.addPropertyChangeListener(propertyChangeListener); |
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} |
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} |
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@Override
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public void setPartName(String partName) { |
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super.setPartName(partName);
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} |
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@Override
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public void setTitleImage(Image titleImage) { |
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super.setTitleImage(titleImage);
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} |
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@Override
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public void dispose() { |
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if (image != null && !image.isDisposed()) |
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image.dispose(); |
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image = null;
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super.dispose();
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// mark this instance as disposed to avoid stale references
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disposed = true;
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} |
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public boolean isDisposed() { |
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return disposed;
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} |
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@Override
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public void doSave(IProgressMonitor monitor) { |
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// do nothing
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} |
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@Override
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public void doSaveAs() { |
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// do nothing
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} |
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/**
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* Returns the copy action.
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*
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* @return org.eclipse.jface.action.IAction
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*/
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public IAction getCopyAction() {
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return copyAction;
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} |
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/**
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* Returns the cut action.
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*
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* @return org.eclipse.jface.action.IAction
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*/
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public IAction getCutAction() {
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return cutAction;
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} |
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/**
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* Returns the web editor input, if available. If the input was of
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* another type, <code>null</code> is returned.
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*
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* @return org.eclipse.ui.internal.browser.IWebBrowserEditorInput
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*/
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protected WebBrowserEditorInput getWebBrowserEditorInput() {
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IEditorInput input = getEditorInput(); |
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if (input instanceof WebBrowserEditorInput) |
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return (WebBrowserEditorInput) input;
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return null; |
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} |
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/**
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* Returns the paste action.
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*
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* @return org.eclipse.jface.action.IAction
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*/
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public IAction getPasteAction() {
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return pasteAction;
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} |
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@Override
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public void init(IEditorSite site, IEditorInput input) throws PartInitException { |
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Trace.trace(Trace.FINEST, "Opening browser: " + input); //$NON-NLS-1$ |
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if (input instanceof IPathEditorInput) { |
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IPathEditorInput pei = (IPathEditorInput) input; |
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final IPath path = pei.getPath();
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URL url = null; |
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try {
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if (path != null) { |
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setPartName(path.lastSegment()); |
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url = path.toFile().toURI().toURL(); |
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} |
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if (url != null) |
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initialURL = url.toExternalForm(); |
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} |
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catch (Exception e) { |
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Trace.trace(Trace.SEVERE, "Error getting URL to file"); //$NON-NLS-1$ |
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} |
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if (webBrowser != null) { |
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if (initialURL != null) |
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webBrowser.setURL(initialURL); |
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site.getWorkbenchWindow().getActivePage().activate(this);
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} |
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if (url != null) |
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setTitleToolTip(url.getFile()); |
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Image oldImage = image;
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ImageDescriptor id = ImageResource.getImageDescriptor(ImageResource.IMG_INTERNAL_BROWSER); |
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image = id.createImage(); |
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setTitleImage(image); |
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if (oldImage != null && !oldImage.isDisposed()) |
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oldImage.dispose(); |
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// addResourceListener(file);
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} |
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else if (input instanceof WebBrowserEditorInput) { |
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WebBrowserEditorInput wbei = (WebBrowserEditorInput) input; |
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initialURL = null;
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if (wbei.getURL() != null) |
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initialURL = wbei.getURL().toExternalForm(); |
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if (webBrowser != null) { |
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webBrowser.setURL(initialURL); |
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site.getWorkbenchWindow().getActivePage().activate(this);
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} |
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setPartName(wbei.getName()); |
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setTitleToolTip(wbei.getToolTipText()); |
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lockName = false;
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Image oldImage = image;
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ImageDescriptor id = wbei.getImageDescriptor(); |
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image = id.createImage(); |
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setTitleImage(image); |
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if (oldImage != null && !oldImage.isDisposed()) |
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oldImage.dispose(); |
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} |
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else {
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IPathEditorInput pinput = Adapters.adapt(input, IPathEditorInput.class); |
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if (pinput != null) { |
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init(site, pinput); |
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} |
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else {
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throw new PartInitException(NLS.bind(org.eclipse.ui.internal.browser.Messages.errorInvalidEditorInput, input.getName())); |
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} |
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} |
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setSite(site); |
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setInput(input); |
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} |
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@Override
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public boolean isDirty() { |
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return false; |
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} |
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@Override
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public boolean isSaveAsAllowed() { |
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return false; |
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} |
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/**
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* Open the input in the internal Web browser.
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*/
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public static void open(WebBrowserEditorInput input) { |
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IWorkbenchWindow workbenchWindow = WebBrowserUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow(); |
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IWorkbenchPage page = workbenchWindow.getActivePage(); |
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try {
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IEditorReference[] editors = page.getEditorReferences();
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int size = editors.length;
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for (int i = 0; i < size; i++) { |
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if (WEB_BROWSER_EDITOR_ID.equals(editors[i].getId())) {
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IEditorPart editor = editors[i].getEditor(true);
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if (editor != null && editor instanceof TXMJFXBrowserEditor) { |
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TXMJFXBrowserEditor webEditor = (TXMJFXBrowserEditor) editor; |
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WebBrowserEditorInput input2 = webEditor.getWebBrowserEditorInput(); |
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if (input2 == null || input.canReplaceInput(input2)) { |
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editor.init(editor.getEditorSite(), input); |
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return;
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} |
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} |
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} |
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} |
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page.openEditor(input, TXMJFXBrowserEditor.WEB_BROWSER_EDITOR_ID); |
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} |
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catch (Exception e) { |
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Trace.trace(Trace.SEVERE, "Error opening Web browser", e); //$NON-NLS-1$ |
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} |
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} |
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/*
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* Asks this part to take focus within the workbench.
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*/
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@Override
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public void setFocus() { |
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if (webBrowser != null) |
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webBrowser.setFocus(); |
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} |
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/**
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* Close the editor correctly.
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*/
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@Override
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public boolean close() { |
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final boolean[] result = new boolean[1]; |
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Display.getDefault() |
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.asyncExec(() -> result[0] = getEditorSite().getPage().closeEditor(TXMJFXBrowserEditor.this, false)); |
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return result[0]; |
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} |
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@Override
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public IActionBars getActionBars() {
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return getEditorSite().getActionBars();
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} |
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@Override
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public void openInExternalBrowser(String url) { |
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final IEditorInput input = getEditorInput();
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final String id = getEditorSite().getId(); |
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Runnable runnable = () -> doOpenExternalEditor(id, input);
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Display display = getSite().getShell().getDisplay(); |
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close(); |
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display.asyncExec(runnable); |
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} |
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protected void doOpenExternalEditor(String id, IEditorInput input) { |
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IEditorRegistry registry = PlatformUI.getWorkbench().getEditorRegistry(); |
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String name = input.getName();
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IEditorDescriptor[] editors = registry.getEditors(name);
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IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage(); |
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String editorId = null; |
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for (IEditorDescriptor editor : editors) {
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if (editor.getId().equals(id))
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continue;
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editorId = editor.getId(); |
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break;
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} |
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IEditorDescriptor ddesc = registry.getDefaultEditor(name); |
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if (ddesc != null && ddesc.getId().equals(id)) { |
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int dot = name.lastIndexOf('.'); |
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String ext = name;
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if (dot != -1) |
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ext = "*." + name.substring(dot + 1); //$NON-NLS-1$ |
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registry.setDefaultEditor(ext, null);
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} |
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if (editorId == null) { |
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// no editor
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// next check with the OS for an external editor
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if (registry.isSystemExternalEditorAvailable(name))
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editorId = IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID; |
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} |
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if (editorId != null) { |
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try {
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page.openEditor(input, editorId); |
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return;
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} |
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catch (PartInitException e) {
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// ignore
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} |
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} |
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// no registered editor - open using browser support
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try {
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URL theURL = new URL(webBrowser.getURL()); |
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IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport(); |
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support.getExternalBrowser().openURL(theURL); |
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} |
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catch (MalformedURLException e) { |
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// TODO handle this
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} |
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catch (PartInitException e) {
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// TODO handle this
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} |
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} |
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} |