org.eclipse.jsch.internal.ui.preference.PassphraseDialog.java Source code

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Here is the source code for org.eclipse.jsch.internal.ui.preference.PassphraseDialog.java

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/*******************************************************************************
 * Copyright (c) 2000, 2007 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:
 *     Atsuhiko Yamanaka, JCraft,Inc. - initial API and implementation.
 *     IBM Corporation - ongoing maintenance
 *******************************************************************************/
package org.eclipse.jsch.internal.ui.preference;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jsch.internal.ui.Messages;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;

class PassphraseDialog extends Dialog {
    protected Text passphraseField;
    protected String passphrase = null;
    protected String message = null;

    public PassphraseDialog(Shell parentShell, String message) {
        super(parentShell);
        this.message = message;
    }

    protected void configureShell(Shell newShell) {
        super.configureShell(newShell);
        newShell.setText(message);
    }

    public void create() {
        super.create();
        passphraseField.setFocus();
    }

    protected Control createDialogArea(Composite parent) {
        initializeDialogUnits(parent);
        Composite main = new Composite(parent, SWT.NONE);

        GridLayout layout = new GridLayout();
        layout.numColumns = 3;
        layout.marginHeight = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_MARGIN);
        layout.marginWidth = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_MARGIN);
        layout.verticalSpacing = convertVerticalDLUsToPixels(IDialogConstants.VERTICAL_SPACING);
        layout.horizontalSpacing = convertHorizontalDLUsToPixels(IDialogConstants.HORIZONTAL_SPACING);
        main.setLayout(layout);
        main.setLayoutData(new GridData(GridData.FILL_BOTH));

        if (message != null) {
            Label messageLabel = new Label(main, SWT.WRAP);
            messageLabel.setText(message);
            GridData data = new GridData(GridData.FILL_HORIZONTAL);
            data.horizontalSpan = 3;
            messageLabel.setLayoutData(data);
        }

        createPassphraseFields(main);
        Dialog.applyDialogFont(main);
        return main;
    }

    protected void createPassphraseFields(Composite parent) {
        new Label(parent, SWT.NONE).setText(Messages.CVSSSH2PreferencePage_127);
        passphraseField = new Text(parent, SWT.BORDER);
        GridData data = new GridData(GridData.FILL_HORIZONTAL);
        data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.ENTRY_FIELD_WIDTH);
        passphraseField.setLayoutData(data);
        passphraseField.setEchoChar('*');

        new Label(parent, SWT.NONE);
    }

    public String getPassphrase() {
        return passphrase;
    }

    protected void okPressed() {
        String _passphrase = passphraseField.getText();
        if (_passphrase == null || _passphrase.length() == 0) {
            return;
        }
        passphrase = _passphrase;
        super.okPressed();
    }

    protected void cancelPressed() {
        passphrase = null;
        super.cancelPressed();
    }
}