/*******************************************************************************
* Copyright (c) 2010 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
******************************************************************************/
package org.eclipse.ui.internal.ide.application;
import java.util.ArrayList;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileInfo;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;
/**
* Helper class used to process delayed events.
* Events currently supported:
* <ul>
* <li>SWT.OpenDocument</li>
* </ul>
* @since 3.3
*/
public class DelayedEventsProcessor implements Listener {
private ArrayList filesToOpen = new ArrayList(1);
/**
* Constructor.
* @param display display used as a source of event
*/
public DelayedEventsProcessor(Display display) {
display.addListener(SWT.OpenDocument, this);
}
/* (non-Javadoc)
* @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event)
*/
public void handleEvent(Event event) {
final String path = event.text;
if (path == null)
return;
// If we start supporting events that can arrive on a non-UI thread, the following
// line will need to be in a "synchronized" block:
filesToOpen.add(path);
}
/**
* Process delayed events.
* @param display display associated with the workbench
*/
public void catchUp(Display display) {
if (filesToOpen.isEmpty())
return;
// If we start supporting events that can arrive on a non-UI thread, the following
// lines will need to be in a "synchronized" block:
String[] filePaths = new String[filesToOpen.size()];
filesToOpen.toArray(filePaths);
filesToOpen.clear();
for(int i = 0; i < filePaths.length; i++) {
openFile(display, filePaths[i]);
}
}
private void openFile(Display display, final String path) {
display.asyncExec(new Runnable() {
public void run() {
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null)
return;
IFileStore fileStore = EFS.getLocalFileSystem().getStore(new Path(path));
IFileInfo fetchInfo = fileStore.fetchInfo();
if (!fetchInfo.isDirectory() && fetchInfo.exists()) {
IWorkbenchPage page = window.getActivePage();
if (page == null) {
String msg = NLS.bind(IDEWorkbenchMessages.OpenDelayedFileAction_message_noWindow, path);
MessageDialog.open(MessageDialog.ERROR, window.getShell(),
IDEWorkbenchMessages.OpenDelayedFileAction_title,
msg, SWT.SHEET);
}
try {
IDE.openInternalEditorOnFileStore(page, fileStore);
Shell shell = window.getShell();
if (shell != null) {
if (shell.getMinimized())
shell.setMinimized(false);
shell.forceActive();
}
} catch (PartInitException e) {
String msg = NLS.bind(IDEWorkbenchMessages.OpenDelayedFileAction_message_errorOnOpen,
fileStore.getName());
CoreException eLog = new PartInitException(e.getMessage());
IDEWorkbenchPlugin.log(msg, new Status(IStatus.ERROR, IDEApplication.PLUGIN_ID, msg, eLog));
MessageDialog.open(MessageDialog.ERROR, window.getShell(),
IDEWorkbenchMessages.OpenDelayedFileAction_title,
msg, SWT.SHEET);
}
} else {
String msg = NLS.bind(IDEWorkbenchMessages.OpenDelayedFileAction_message_fileNotFound, path);
MessageDialog.open(MessageDialog.ERROR, window.getShell(),
IDEWorkbenchMessages.OpenDelayedFileAction_title,
msg, SWT.SHEET);
}
}
});
}
}