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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation.
* 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 - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.ui.editor.actions.file;
import java.io.File;
import java.text.MessageFormat;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.linuxtools.systemtap.ui.editor.PathEditorInput;
import org.eclipse.linuxtools.systemtap.ui.editor.SimpleEditor;
import org.eclipse.linuxtools.systemtap.ui.editor.actions.EditorAction;
import org.eclipse.linuxtools.systemtap.ui.editor.internal.Localization;
import org.eclipse.linuxtools.systemtap.ui.editor.internal.RecentFileLog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
public class OpenFileAction extends EditorAction {
private boolean successful;
public OpenFileAction() {
super();
setEnabled(true);
successful = false;
}
public void run(IAction act) {
run();
}
/**
* Opens the editor input.
*/
public void run() {
successful = false;
if (window == null)
window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
File file = queryFile();
if (file != null) {
IEditorInput input= createEditorInput(file);
String editorId= getEditorId(file);
IWorkbenchPage page= window.getActivePage();
try {
page.openEditor(input, editorId);
RecentFileLog.updateRecentFiles(file);
successful = true;
} catch (PartInitException e) {}
} else if (file != null) {
String msg = MessageFormat.format(Localization.getString("OpenFileAction.FileIsNull"), (Object [])(new String[] {file.getName()}));
MessageDialog.openWarning(window.getShell(), Localization.getString("OpenFileAction.Problem"), msg);
}
}
/**
* Request the name and location of the file to the user.
* @return the File object associated to the selected file.
*/
protected File queryFile() {
FileDialog dialog= new FileDialog(window.getShell(), SWT.OPEN);
dialog.setText(Localization.getString("OpenFileAction.OpenFile"));
String path= dialog.open();
if (path != null && path.length() > 0)
return new File(path);
return null;
}
/**
* Returns the editor ID associated with the specified file.
* @param file the file to examine
* @return the editor ID
*/
protected String getEditorId(File file) {
IWorkbench workbench= window.getWorkbench();
IEditorRegistry editorRegistry= workbench.getEditorRegistry();
IEditorDescriptor descriptor= editorRegistry.getDefaultEditor(file.getName());
if (descriptor != null && descriptor.getId().startsWith("org.eclipse.linuxtools.systemtap.ui")) { //TODO: descriptor.getId().startsWith("org.eclipse.linuxtools.systemtap.ui") is a temparary fix until we find out why .txt files are opening with org.eclipse.ui.DefautTextEditor //$NON-NLS-1$
return descriptor.getId();
}
return SimpleEditor.ID;
}
/**
* Creates an editor input.
* @param file the file you wish the editor to point at
* @return the input created
*/
protected IEditorInput createEditorInput(File file) {
IPath location= new Path(file.getAbsolutePath());
PathEditorInput input= new PathEditorInput(location);
return input;
}
public boolean isSuccessful() {
return successful;
}
}
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