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/*******************************************************************************
* Copyright (c) 2011, 2015 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.terminals.process;
import org.eclipse.cdt.utils.pty.PTY;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.tcf.te.ui.terminals.nls.Messages;
import org.eclipse.tm.internal.terminal.provisional.api.AbstractSettingsPage;
import org.eclipse.ui.PlatformUI;
import org.osgi.framework.Bundle;
/**
* Process connector settings page implementation.
*/
@SuppressWarnings("restriction")
public class ProcessSettingsPage extends AbstractSettingsPage {
private Text processImageSelectorControl;
private Button processImageSelectorControlButton;
private Text processArgumentsControl;
private Button localEchoSelectorControl;
private Text processWorkingDirControl;
private final ProcessSettings settings;
/**
* Constructor.
*
* @param settings
*/
public ProcessSettingsPage(ProcessSettings settings) {
super();
Assert.isNotNull(settings);
this.settings = settings;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.terminal.provisional.api.ISettingsPage#createControl(org.eclipse.swt.widgets.Composite)
*/
@Override
public void createControl(Composite parent) {
Composite composite = new Composite(parent, SWT.NONE);
composite.setLayout(new GridLayout());
composite.setLayoutData(new GridData(GridData.FILL_BOTH));
// The entry fields shall be properly aligned
Composite panel = new Composite(composite, SWT.NONE);
GridLayout layout = new GridLayout(2, false);
layout.marginWidth = 0; layout.marginHeight = 0;
panel.setLayout(layout);
panel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
// Create the process image selector control
Label label = new Label(panel, SWT.HORIZONTAL);
label.setText(Messages.ProcessSettingsPage_processImagePathSelectorControl_label);
// Text field and browse button are aligned it their own panel
Composite innerPanel = new Composite(panel, SWT.NONE);
layout = new GridLayout(2, false);
layout.marginWidth = 0; layout.marginHeight = 0;
innerPanel.setLayout(layout);
innerPanel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
processImageSelectorControl = new Text(innerPanel, SWT.SINGLE | SWT.BORDER);
processImageSelectorControl.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
processImageSelectorControlButton = new Button(innerPanel, SWT.PUSH);
processImageSelectorControlButton.setText(Messages.ProcessSettingsPage_processImagePathSelectorControl_button);
processImageSelectorControlButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
onBrowseButtonSelected(e);
}
});
// Create the process arguments control
label = new Label(panel, SWT.HORIZONTAL);
label.setText(Messages.ProcessSettingsPage_processArgumentsControl_label);
processArgumentsControl = new Text(panel, SWT.SINGLE | SWT.BORDER);
processArgumentsControl.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
// Create the process arguments control
label = new Label(panel, SWT.HORIZONTAL);
label.setText(Messages.ProcessSettingsPage_processWorkingDirControl_label);
processWorkingDirControl = new Text(panel, SWT.SINGLE | SWT.BORDER);
processWorkingDirControl.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
// Create the local echo check box
localEchoSelectorControl = new Button(composite, SWT.CHECK);
localEchoSelectorControl.setText(Messages.ProcessSettingsPage_localEchoSelectorControl_label);
localEchoSelectorControl.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
localEchoSelectorControl.setSelection(!PTY.isSupported());
// Initialize the control content
loadSettings();
}
/**
* Called once the user pressed the browse button.
*
* @param e The selection event or <code>null</code>.
*/
protected void onBrowseButtonSelected(SelectionEvent e) {
// Determine the shell
Shell shell = e != null ? e.widget.getDisplay().getActiveShell() : PlatformUI.getWorkbench().getDisplay().getActiveShell();
// create a standard file dialog
FileDialog dialog = new FileDialog(shell, SWT.OPEN);
dialog.setText(Messages.ProcessSettingsPage_dialogTitle);
// the dialog should open within the directory of the currently selected
// file. If no file has been currently selected, it should open within the
// last browsed directory.
String selectedFile = processImageSelectorControl.getText();
if (selectedFile != null && selectedFile.trim().length() > 0) {
IPath filePath = new Path(selectedFile);
// If the selected file points to an directory, use the directory as is
IPath filterPath = filePath.toFile().isDirectory() ? filePath : filePath.removeLastSegments(1);
String filterFileName = filePath.toFile().isDirectory() || !filePath.toFile().exists() ? null : filePath.lastSegment();
if (!filterPath.isEmpty()) {
dialog.setFilterPath(filterPath.toString());
}
if (filterFileName != null) {
dialog.setFileName(filterFileName);
}
} else {
Bundle bundle = Platform.getBundle("org.eclipse.core.resources"); //$NON-NLS-1$
if (bundle != null && (bundle.getState() == Bundle.RESOLVED || bundle.getState() == Bundle.ACTIVE)) {
dialog.setFilterPath(org.eclipse.core.resources.ResourcesPlugin.getWorkspace().getRoot().getLocation().toOSString());
}
}
// Open the dialog
selectedFile = dialog.open();
if (selectedFile != null) {
processImageSelectorControl.setText(selectedFile);
}
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.terminal.provisional.api.ISettingsPage#saveSettings()
*/
@Override
public void saveSettings() {
settings.setImage(processImageSelectorControl.getText());
settings.setArguments(processArgumentsControl.getText());
settings.setLocalEcho(localEchoSelectorControl.getSelection());
settings.setWorkingDir(processWorkingDirControl.getText());
settings.setProcess(null);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.terminal.provisional.api.ISettingsPage#loadSettings()
*/
@Override
public void loadSettings() {
processImageSelectorControl.setText(settings.getImage());
processArgumentsControl.setText(settings.getArguments());
localEchoSelectorControl.setSelection(settings.isLocalEcho());
processWorkingDirControl.setText(settings.getWorkingDir());
}
/* (non-Javadoc)
* @see org.eclipse.tcf.internal.terminal.provisional.api.ISettingsPage#validateSettings()
*/
@Override
public boolean validateSettings() {
// The settings are considered valid if the selected process image can be read.
String selectedFile = processImageSelectorControl.getText();
return selectedFile != null && !"".equals(selectedFile.trim()) && new Path(selectedFile).toFile().canRead(); //$NON-NLS-1$
}
}
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