/* ******************************************************************************
* 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 org.eclipse.core.runtime.SafeRunner;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.GroupMarker;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.util.SafeRunnable;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.browser.Browser;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.part.ViewPart;
import org.xmind.ui.browser.BrowserSupport;
import org.xmind.ui.browser.IBrowser;
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 InternalBrowserView extends ViewPart
implements IBrowserViewerContainer {
private class OpenInExternalAction extends Action {
/**
*
*/
public OpenInExternalAction() {
super(BrowserMessages.BrowserView_OpenInExternalBrowser_text,
BrowserImages.getImageDescriptor(BrowserImages.BROWSER));
setToolTipText(
BrowserMessages.BrowserView_OpenInExternalBrowser_toolTip);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.Action#run()
*/
@Override
public void run() {
if (viewer == null || viewer.getControl() == null
|| viewer.getControl().isDisposed())
return;
IBrowser browser = BrowserSupport.getInstance()
.createBrowser(IBrowserSupport.AS_EXTERNAL);
try {
browser.openURL(viewer.getURL());
} catch (PartInitException e) {
BrowserPlugin.log(e);
}
}
}
public static final String BROWSER_VIEW_ID = "org.xmind.ui.BrowserView"; //$NON-NLS-1$
private static final String GROUP_CONTROLS = "org.xmind.ui.browser.controls"; //$NON-NLS-1$
private static final String KEY_STYLE = "style"; //$NON-NLS-1$
private BrowserViewer viewer;
private String clientId;
private int style;
private ActionContributionItem backActionItem = null;
private ActionContributionItem forwardActionItem = null;
private ActionContributionItem stopRefreshActionItem = null;
public void setClientId(String clientId) {
this.clientId = clientId;
}
public void changeStyle(int newStyle) {
if ((newStyle & IBrowserSupport.NO_LOCATION_BAR) != 0
&& (newStyle & IBrowserSupport.NO_EXTRA_CONTRIBUTIONS) != 0) {
newStyle |= IBrowserSupport.NO_TOOLBAR;
}
this.style = newStyle;
if (viewer != null && viewer.getControl() != null
&& !viewer.getControl().isDisposed()) {
int oldStyle = viewer.getStyle();
viewer.changeStyle(newStyle);
boolean hadNoToolBar = (oldStyle & IBrowserSupport.NO_TOOLBAR) != 0;
boolean hasNoToolBar = (newStyle & IBrowserSupport.NO_TOOLBAR) != 0;
if (hasNoToolBar && !hadNoToolBar) {
IToolBarManager toolBar = getViewSite().getActionBars()
.getToolBarManager();
removeControls(toolBar);
toolBar.update(true);
} else if (hadNoToolBar && !hasNoToolBar) {
IToolBarManager toolBar = getViewSite().getActionBars()
.getToolBarManager();
addControls(toolBar);
toolBar.update(true);
}
}
}
private void removeControls(IToolBarManager toolBar) {
if (backActionItem != null) {
toolBar.remove(backActionItem);
backActionItem.dispose();
backActionItem = null;
}
if (forwardActionItem != null) {
toolBar.remove(forwardActionItem);
forwardActionItem.dispose();
forwardActionItem = null;
}
if (stopRefreshActionItem != null) {
toolBar.remove(stopRefreshActionItem);
stopRefreshActionItem.dispose();
stopRefreshActionItem = null;
}
}
private void addControls(IToolBarManager toolBar) {
stopRefreshActionItem = new ActionContributionItem(
viewer.getStopRefreshAction());
toolBar.prependToGroup(GROUP_CONTROLS, stopRefreshActionItem);
forwardActionItem = new ActionContributionItem(
viewer.getForwardAction());
toolBar.prependToGroup(GROUP_CONTROLS, forwardActionItem);
backActionItem = new ActionContributionItem(viewer.getBackAction());
toolBar.prependToGroup(GROUP_CONTROLS, backActionItem);
}
@Override
public void saveState(IMemento memento) {
memento.putInteger(KEY_STYLE, style);
super.saveState(memento);
}
@Override
public void init(IViewSite site, IMemento memento)
throws PartInitException {
this.clientId = site.getSecondaryId();
Integer styleValue = memento == null ? null
: memento.getInteger(KEY_STYLE);
this.style = styleValue == null ? SWT.NONE : styleValue.intValue();
super.init(site, memento);
}
public void createPartControl(final Composite parent) {
viewer = new BrowserViewer(parent, style, this);
initActions();
final Image defaultImage = getTitleImage();
viewer.getBusyIndicator()
.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
if (!parent.isDisposed()) {
parent.getDisplay().asyncExec(new Runnable() {
public void run() {
if (!parent.isDisposed()
&& defaultImage != null
&& !defaultImage.isDisposed()) {
Image currentImage = viewer
.getBusyIndicator()
.getCurrentImage();
if (currentImage == null
|| !viewer.getBusyIndicator()
.isAnimating()) {
setTitleImage(defaultImage);
} else {
setTitleImage(currentImage);
}
}
}
});
}
}
});
}
/**
*
*/
private void initActions() {
IActionBars actionBars = getViewSite().getActionBars();
OpenInExternalAction openInExternalAction = new OpenInExternalAction();
IMenuManager menu = actionBars.getMenuManager();
menu.add(new GroupMarker(GROUP_CONTROLS));
menu.add(openInExternalAction);
menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
// IToolBarManager toolBar = actionBars.getToolBarManager();
// toolBar.add(new GroupMarker(GROUP_CONTROLS));
// toolBar.add(openInExternalAction);
// toolBar.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
registerAction(actionBars, new CopyAction(viewer));
registerAction(actionBars, new CutAction(viewer));
registerAction(actionBars, new PasteAction(viewer));
registerAction(actionBars, new DeleteAction(viewer));
// if ((style & IBrowserSupport.NO_TOOLBAR) != 0) {
// addControls(toolBar);
// }
}
private void registerAction(IActionBars actionBars, IAction action) {
actionBars.setGlobalActionHandler(action.getId(), action);
}
public void setFocus() {
viewer.setFocus();
}
public void openURL(String url) {
if (viewer != null && !viewer.getControl().isDisposed()) {
viewer.setURL(url);
}
}
public BrowserViewer getViewer() {
return viewer;
}
@SuppressWarnings("unchecked")
public Object getAdapter(Class adapter) {
if (adapter == IBrowserViewer.class)
return viewer;
if (adapter == IBrowserViewerContainer.class)
return this;
return super.getAdapter(adapter);
}
public boolean close() {
try {
getSite().getPage().hideView(this);
return true;
} catch (Exception e) {
return false;
}
}
public IActionBars getActionBars() {
return getViewSite().getActionBars();
}
public String getClientId() {
return clientId;
}
public void openInExternalBrowser(String url) {
BrowserUtil.gotoUrl(url);
}
/*
* (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 {
IBrowser browser = BrowserSupport.getInstance().createBrowser(
IBrowserSupport.AS_EDITOR, getClientId());
browser.openURL(""); //$NON-NLS-1$
if (browser instanceof InternalBrowser) {
IWorkbenchPart part = ((InternalBrowser) browser).getPart();
if (part instanceof InternalBrowserEditor) {
ret[0] = ((InternalBrowserEditor) part).getViewer()
.getBrowser();
}
}
}
});
return ret[0];
}
}
