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/*******************************************************************************
* Copyright (c) 2008, 2017 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.equinox.internal.security.ui.storage.view;
import java.io.File;
import org.eclipse.core.runtime.preferences.ConfigurationScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.equinox.internal.security.ui.Activator;
import org.eclipse.equinox.internal.security.ui.nls.SecUIMessages;
import org.eclipse.jface.dialogs.*;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.PlatformUI;
import org.osgi.service.prefs.BackingStoreException;
public class ExportDialog extends TitleAreaDialog {
private static final String HELP_ID = Activator.PLUGIN_ID + ".ExportDialog"; //$NON-NLS-1$
private static final ImageDescriptor dlgImageDescriptor = ImageDescriptor.createFromFile(ExportDialog.class, "/icons/storage/export_secure_wiz.png"); //$NON-NLS-1$
protected final static String[] exportExtensions = new String[] {".txt"}; //$NON-NLS-1$
protected static final String EXPORT_FILE = "org.eclipse.equinox.security.ui.exportfile"; //$NON-NLS-1$
protected IEclipsePreferences eclipseNode = ConfigurationScope.INSTANCE.getNode(Activator.PLUGIN_ID);
protected Text fileText;
protected Button okButton;
protected String file;
private Image dlgTitleImage = null;
public ExportDialog(Shell parentShell) {
super(parentShell);
}
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText(SecUIMessages.generalTitle);
PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, HELP_ID);
}
protected void createButtonsForButtonBar(Composite parent) {
okButton = createButton(parent, IDialogConstants.OK_ID, SecUIMessages.exportDialogOK, true);
okButton.setEnabled(validFile());
createButton(parent, IDialogConstants.CANCEL_ID, SecUIMessages.exportDialogCancel, false);
}
protected Control createContents(Composite parent) {
Control contents = super.createContents(parent);
setTitle(SecUIMessages.exportDialogTitle);
setMessage(SecUIMessages.exportDialogMsg, IMessageProvider.WARNING);
dlgTitleImage = dlgImageDescriptor.createImage();
setTitleImage(dlgTitleImage);
return contents;
}
protected Control createDialogArea(Composite parent) {
Composite compositeTop = (Composite) super.createDialogArea(parent);
Composite composite = new Composite(compositeTop, SWT.NONE);
Label fileLabel = new Label(composite, SWT.LEFT);
fileLabel.setText(SecUIMessages.exportDialogFileLabel);
GridData labelData = new GridData();
labelData.horizontalSpan = 2;
fileLabel.setLayoutData(labelData);
fileText = new Text(composite, SWT.LEFT | SWT.BORDER);
// pick up last used file name
String lastFileName = eclipseNode.get(EXPORT_FILE, null);
if (lastFileName != null)
fileText.setText(lastFileName);
// add listener after the setText() above
fileText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent event) {
okButton.setEnabled(validFile());
}
});
Button browse = new Button(composite, SWT.NONE);
browse.setText(SecUIMessages.exportDialogBrowse);
browse.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));
browse.addSelectionListener(new SelectionListener() {
public void widgetDefaultSelected(SelectionEvent e) {
widgetSelected(e);
}
public void widgetSelected(SelectionEvent e) {
FileDialog dialog = new FileDialog(getShell());
dialog.setText(SecUIMessages.fileSelectTitle);
dialog.setFilterExtensions(exportExtensions);
String tmp = fileText.getText();
if (tmp != null)
dialog.setFileName(tmp);
String result = dialog.open();
if (result != null)
fileText.setText(result);
}
});
composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
GridLayoutFactory.swtDefaults().generateLayout(composite);
return composite;
}
protected boolean validFile() {
if (fileText == null)
return true;
boolean valid;
String tmp = fileText.getText();
if ((tmp != null) && (tmp.length() != 0)) {
File check = new File(tmp);
if (check.exists())
valid = check.canWrite();
else
valid = true;
} else
valid = false;
if (valid)
setMessage(SecUIMessages.exportDialogMsg, IMessageProvider.WARNING);
else
setMessage(SecUIMessages.exportDialogInvalidMsg, IMessageProvider.ERROR);
return valid;
}
protected void okPressed() {
file = fileText.getText();
// remember it for the next time
if (file != null && !file.equals(eclipseNode.get(EXPORT_FILE, null))) {
eclipseNode.put(EXPORT_FILE, file);
try {
eclipseNode.flush();
} catch (BackingStoreException e1) {
// nothing can be done
}
}
super.okPressed();
}
public String getFileName() {
return file;
}
}
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