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/*******************************************************************************
* Copyright (c) 2011, 2012 Wind River Systems, Inc. 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:
* William Chen (Wind River)- [345387]Open the remote files with a proper editor
*******************************************************************************/
package org.eclipse.tcf.te.tcf.filesystem.ui.internal.handlers;
import java.io.File;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.IOpExecutor;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.OpCacheUpdate;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.CacheManager;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.ContentTypeHelper;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.utils.PersistenceManager;
import org.eclipse.tcf.te.tcf.filesystem.core.model.FSTreeNode;
import org.eclipse.tcf.te.tcf.filesystem.ui.internal.operations.UiExecutor;
import org.eclipse.tcf.te.tcf.filesystem.ui.nls.Messages;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.ide.FileStoreEditorInput;
import org.eclipse.ui.ide.IDE;
/**
* The action handler to open a file on the remote file system.
*/
public class OpenFileHandler extends AbstractHandler {
/* (non-Javadoc)
* @see org.eclipse.core.commands.AbstractHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelectionChecked(event);
final FSTreeNode node = (FSTreeNode) selection.getFirstElement();
IWorkbenchPage page = HandlerUtil.getActiveSite(event).getPage();
if (ContentTypeHelper.isBinaryFile(node)) {
// If the file is a binary file.
Shell parent = HandlerUtil.getActiveShell(event);
MessageDialog.openWarning(parent, Messages.OpenFileHandler_Warning,
Messages.OpenFileHandler_OpeningBinaryNotSupported);
} else {
// Open the file node.
openFile(node, page);
}
return null;
}
/**
* Open the file node in an editor of the specified workbench page. If the
* local cache file of the node is stale, then download it. Then open its
* local cache file.
*
* @param node
* The file node to be opened.
* @param page
* The workbench page in which the editor is opened.
*/
private void openFile(FSTreeNode node, IWorkbenchPage page) {
File file = CacheManager.getCacheFile(node);
if (!file.exists()) {
// If the file node's local cache does not exist yet, download it.
IOpExecutor executor = new UiExecutor();
IStatus status = executor.execute(new OpCacheUpdate(node));
if (!status.isOK()) {
return;
}
}
openEditor(page, node);
}
/**
* Open the editor to display the file node in the UI thread.
*
* @param page
* The workbench page in which the editor is opened.
* @param node
* The file node whose local cache file is opened.
*/
private void openEditor(final IWorkbenchPage page, final FSTreeNode node) {
Display display = page.getWorkbenchWindow().getWorkbench().getDisplay();
display.asyncExec(new Runnable() {
@Override
public void run() {
IPath path = CacheManager.getCachePath(node);
IFileStore fileStore = EFS.getLocalFileSystem().getStore(path);
String editorID = PersistenceManager.getInstance().getPersistentProperties(node).get(IDE.EDITOR_KEY);
try {
if(editorID!=null){
FileStoreEditorInput input = new FileStoreEditorInput(fileStore);
page.openEditor(input, editorID, true, IWorkbenchPage.MATCH_INPUT|IWorkbenchPage.MATCH_ID);
}else{
IDE.openEditorOnFileStore(page, fileStore);
}
} catch (PartInitException e) {
}
}
});
}
}
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