/*
* Copyright (c) 2006-2012 XMind Ltd. and others.
*
* This file is a part of XMind 3. XMind releases 3 and above are dual-licensed
* under the Eclipse Public License (EPL), which is available at
* http://www.eclipse.org/legal/epl-v10.html and the GNU Lesser General Public
* License (LGPL), which is available at http://www.gnu.org/licenses/lgpl.html
* See http://www.xmind.net/license.html for details.
*
* Contributors: XMind Ltd. - initial API and implementation
*/
package org.xmind.ui.internal.browser;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SafeRunner;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.util.SafeRunnable;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.part.EditorPart;
import org.xmind.ui.browser.IBrowserSupport;
import org.xmind.ui.browser.IBrowserViewer;
import org.xmind.ui.browser.IBrowserViewerContainer;
import org.xmind.ui.internal.browser.actions.CopyAction;
import org.xmind.ui.internal.browser.actions.CutAction;
import org.xmind.ui.internal.browser.actions.DeleteAction;
import org.xmind.ui.internal.browser.actions.PasteAction;
public class InternalBrowserEditor extends EditorPart
implements IBrowserViewerContainer {
public static final String BROWSER_EDITOR_ID = "org.xmind.ui.browser.editor"; //$NON-NLS-1$
private BrowserViewer viewer;
private String initialURL;
private Image image;
private Map<String, IAction> actions;
private boolean disposed;
private boolean lockName;
public String getClientId() {
return getBrowserEditorInput().getClientId();
}
public IAction getAction(String id) {
return actions == null ? null : actions.get(id);
}
public void doSave(IProgressMonitor monitor) {
}
public void doSaveAs() {
}
public void init(IEditorSite site, IEditorInput input)
throws PartInitException {
if (input instanceof BrowserEditorInput) {
BrowserEditorInput bei = (BrowserEditorInput) input;
initialURL = null;
if (bei.getURL() != null)
initialURL = bei.getURL();
if (viewer != null && viewer.getControl() != null
&& !viewer.getControl().isDisposed()) {
viewer.setURL(initialURL);
// int style = bei.getStyle();
// if ((style & IBrowserSupport.NO_LOCATION_BAR) != 0 && (style
// & IBrowserSupport.NO_EXTRA_CONTRIBUTIONS) != 0) {
// style |= IBrowserSupport.NO_TOOLBAR;
// }
// viewer.changeStyle(style);
// site.getWorkbenchWindow().getActivePage().activate(this);
// if (initialURL != null
// && ((style & IBrowserSupport.NO_TOOLBAR) == 0 && (style
// & IBrowserSupport.NO_LOCATION_BAR) == 0)) {
// setContentDescription(initialURL);
// } else {
// setContentDescription(""); //$NON-NLS-1$
// }
}
setPartName(bei.getName());
setTitleToolTip(bei.getToolTipText());
lockName = bei.isNameLocked();
Image oldImage = image;
ImageDescriptor id = bei.getImageDescriptor();
image = id.createImage();
setTitleImage(image);
if (oldImage != null && !oldImage.isDisposed())
oldImage.dispose();
} else
throw new PartInitException(NLS.bind(
BrowserMessages.BrowserEditor_ErrorInvalidEditorInput_message,
input.getName()));
setSite(site);
setInput(input);
}
public boolean isDirty() {
return false;
}
public boolean isSaveAsAllowed() {
return false;
}
public void dispose() {
if (image != null && !image.isDisposed())
image.dispose();
image = null;
super.dispose();
disposed = true;
}
public boolean isDisposed() {
return disposed;
}
public void createPartControl(final Composite parent) {
int style = getBrowserEditorInput().getStyle();
viewer = new BrowserViewer(parent, style, this);
viewer.setURL(initialURL);
addAction(new CopyAction(viewer));
addAction(new CutAction(viewer));
addAction(new PasteAction(viewer));
addAction(new DeleteAction(viewer));
PropertyChangeListener propertyChangeListener = new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent event) {
if (lockName)
return;
if (IBrowserViewer.PROPERTY_TITLE
.equals(event.getPropertyName())) {
if (event.getNewValue() != null)
setPartName((String) event.getNewValue());
} else if (IBrowserViewer.PROPERTY_LOCATION
.equals(event.getPropertyName())) {
String location = (String) event.getNewValue();
int currentStyle = getBrowserEditorInput().getStyle();
if (location == null || ((currentStyle
& IBrowserSupport.NO_TOOLBAR) == 0
&& (currentStyle
& IBrowserSupport.NO_LOCATION_BAR) == 0)) {
location = ""; //$NON-NLS-1$
}
Label descriptionLabel = viewer.getDescriptionLabel();
if (descriptionLabel != null
&& !descriptionLabel.isDisposed()) {
descriptionLabel.setText(location);
descriptionLabel.setToolTipText(location);
}
}
}
};
viewer.addPropertyChangeListener(propertyChangeListener);
viewer.getBusyIndicator()
.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
if (!parent.isDisposed()) {
parent.getDisplay().asyncExec(new Runnable() {
public void run() {
if (!parent.isDisposed() && image != null
&& !image.isDisposed()) {
Image currentImage = viewer
.getBusyIndicator()
.getCurrentImage();
if (currentImage == null
|| !viewer.getBusyIndicator()
.isAnimating()) {
setTitleImage(image);
} else {
setTitleImage(currentImage);
}
}
}
});
}
}
});
}
private void addAction(IAction action) {
String actionId = action.getId();
if (actionId == null)
return;
if (actions == null)
actions = new HashMap<String, IAction>();
actions.put(actionId, action);
}
/**
* Returns the web editor input, if available. If the input was of another
* type, <code>null</code> is returned.
*
* @return org.eclipse.ui.internal.browser.IWebBrowserEditorInput
*/
protected BrowserEditorInput getBrowserEditorInput() {
return (BrowserEditorInput) getEditorInput();
}
/**
* Open the input in the internal Web browser.
*/
public static void open(BrowserEditorInput input) {
IWorkbenchWindow workbenchWindow = BrowserPlugin.getDefault()
.getWorkbench().getActiveWorkbenchWindow();
IWorkbenchPage page = workbenchWindow.getActivePage();
try {
IEditorReference[] editors = page.getEditorReferences();
int size = editors.length;
for (int i = 0; i < size; i++) {
if (BROWSER_EDITOR_ID.equals(editors[i].getId())) {
IEditorPart editor = editors[i].getEditor(true);
if (editor != null
&& editor instanceof InternalBrowserEditor) {
InternalBrowserEditor editor2 = (InternalBrowserEditor) editor;
BrowserEditorInput input2 = editor2
.getBrowserEditorInput();
if (input2 == null || input.canReplaceInput(input2)) {
editor.init(editor.getEditorSite(), input);
return;
}
}
}
}
page.openEditor(input, InternalBrowserEditor.BROWSER_EDITOR_ID);
} catch (Exception e) {
}
}
public void setFocus() {
if (viewer != null)
viewer.setFocus();
}
public BrowserViewer getViewer() {
return viewer;
}
public boolean close() {
final boolean[] result = new boolean[1];
Display.getDefault().asyncExec(new Runnable() {
public void run() {
result[0] = getEditorSite().getPage()
.closeEditor(InternalBrowserEditor.this, false);
}
});
return result[0];
}
public IActionBars getActionBars() {
return getEditorSite().getActionBars();
}
public void openInExternalBrowser(String url) {
BrowserUtil.gotoUrl(url);
}
public void setText(String html) {
if (viewer != null && !viewer.getControl().isDisposed()) {
viewer.setText(html);
}
}
/*
* (non-Javadoc)
*
* @see org.xmind.ui.browser.IBrowserViewerContainer#openNewBrowser()
*/
public Browser openNewBrowser() {
final Browser[] ret = new Browser[1];
SafeRunner.run(new SafeRunnable() {
public void run() throws Exception {
final BrowserEditorInput input = new BrowserEditorInput("", //$NON-NLS-1$
getNewSecondaryId(),
getBrowserEditorInput().getStyle());
IEditorPart editor = getSite().getPage().openEditor(input,
BROWSER_EDITOR_ID);
if (editor instanceof InternalBrowserEditor) {
ret[0] = ((InternalBrowserEditor) editor).getViewer()
.getBrowser();
}
}
});
return ret[0];
}
private static Map<String, Integer> numbers = new HashMap<String, Integer>();
private String getNewSecondaryId() {
Integer num = numbers.get(getClientId());
if (num == null) {
num = Integer.valueOf(1);
} else {
num = Integer.valueOf(num.intValue() + 1);
}
numbers.put(getClientId(), num);
return getClientId() + "-" + num.toString(); //$NON-NLS-1$
}
}
