/*******************************************************************************
* Copyright (c) 2011, 2014 Ericsson
*
* 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:
* Francois Chouinard - Initial API and implementation
* Patrick Tasse - Updated for TMF 2.0
*******************************************************************************/
package org.eclipse.tracecompass.internal.gdbtrace.ui.views.project.dialogs;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.tracecompass.internal.gdbtrace.ui.GdbTraceUIPlugin;
import org.eclipse.tracecompass.tmf.ui.dialog.TmfFileDialogFactory;
import org.eclipse.ui.dialogs.SelectionStatusDialog;
/**
* Dialog implementation for the Select Trace Executable command
*
* @author Francois Chouinard
*/
public class SelectTraceExecutableDialog extends SelectionStatusDialog {
private final IStatus OK_STATUS = new Status(IStatus.OK, GdbTraceUIPlugin.PLUGIN_ID, ""); //$NON-NLS-1$
private final IStatus PATH_ERROR_STATUS = new Status(IStatus.ERROR, GdbTraceUIPlugin.PLUGIN_ID, Messages.SelectTraceExecutableDialog_Message);
private final IStatus BINARY_ERROR_STATUS = new Status(IStatus.ERROR, GdbTraceUIPlugin.PLUGIN_ID, Messages.SelectTraceExecutableDialog_BinaryError);
private Text fExecutableNameEntry;
private IPath fExecutablePath;
/**
* Creates a SelectTraceExecutableDialog
*
* @param parentShell parent of the new dialog
*/
public SelectTraceExecutableDialog(Shell parentShell) {
super(parentShell);
setTitle(Messages.SelectTraceExecutableDialog_Title);
setStatusLineAboveButtons(true);
setHelpAvailable(false);
}
@Override
protected void computeResult() {
setResult(Arrays.asList(new IPath[] { fExecutablePath }));
}
@Override
public void create() {
super.create();
getButton(IDialogConstants.OK_ID).setEnabled(false);
}
@Override
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
composite.setLayout(new GridLayout());
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
createFolderNameGroup(composite);
setStatusLineAboveButtons(true);
updateStatus(PATH_ERROR_STATUS);
return composite;
}
/**
* Creates the folder name specification controls.
*
* @param parent the parent composite
*/
private void createFolderNameGroup(Composite parent) {
final Shell shell = parent.getShell();
Font font = parent.getFont();
Composite composite = new Composite(parent, SWT.NONE);
GridLayout layout = new GridLayout(3, false);
composite.setLayout(layout);
composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
// Executable name label
Label label = new Label(composite, SWT.NONE);
label.setFont(font);
label.setText(Messages.SelectTraceExecutableDialog_ExecutableName);
// Executable name entry field
fExecutableNameEntry = new Text(composite, SWT.BORDER);
GridData data = new GridData(GridData.FILL_HORIZONTAL);
data.widthHint = IDialogConstants.ENTRY_FIELD_WIDTH;
fExecutableNameEntry.setLayoutData(data);
fExecutableNameEntry.setFont(font);
fExecutableNameEntry.addListener(SWT.Modify, new Listener() {
@Override
public void handleEvent(Event event) {
fExecutablePath = Path.fromOSString(fExecutableNameEntry.getText());
if (! validateExecutableName()) {
updateStatus(PATH_ERROR_STATUS);
} else if (! validateExecutableBinary()) {
updateStatus(BINARY_ERROR_STATUS);
} else {
updateStatus(OK_STATUS);
}
}
});
// Browse button
Button browseExecutableButton = new Button(composite, SWT.NONE);
browseExecutableButton.setText(Messages.SelectTraceExecutableDialog_Browse);
browseExecutableButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
FileDialog dlg = TmfFileDialogFactory.create(shell);
String workspacePath = ResourcesPlugin.getWorkspace().getRoot().getLocation().toOSString();
dlg.setFilterPath(workspacePath);
dlg.setText(Messages.SelectTraceExecutableDialog_ExecutablePrompt);
String path = dlg.open();
if (path != null) {
fExecutableNameEntry.setText(path);
}
}
});
}
/**
* Checks whether the executable location is valid.
*/
private boolean validateExecutableName() {
if (fExecutablePath != null) {
File file = new File(fExecutablePath.toOSString());
return file.exists() && file.isFile();
}
return false;
}
/**
* Checks whether the executable location is a recognized executable.
*/
private boolean validateExecutableBinary() {
try {
IBinaryParser parser = CCorePlugin.getDefault().getDefaultBinaryParser();
IBinaryParser.IBinaryFile binary = parser.getBinary(fExecutablePath);
if (binary instanceof IBinaryParser.IBinaryObject) {
return true;
}
} catch (CoreException e) {
} catch (IOException e) {
}
return false;
}
/**
* Returns the selected executable path.
* @return the executable path
*/
public IPath getExecutablePath() {
return fExecutablePath;
}
}