com.amazonaws.eclipse.ec2.ui.PuTTYgenTranslationDialog.java Source code

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Here is the source code for com.amazonaws.eclipse.ec2.ui.PuTTYgenTranslationDialog.java

Source

/*
 * Copyright 2008-2011 Amazon Technologies, Inc. 
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at:
 * 
 *    http://aws.amazon.com/apache2.0
 *
 * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES 
 * OR CONDITIONS OF ANY KIND, either express or implied. See the 
 * License for the specific language governing permissions and 
 * limitations under the License. 
 */

package com.amazonaws.eclipse.ec2.ui;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
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.Display;
import org.eclipse.swt.widgets.Label;

/**
 * A simple dialog that instructs users how to use PuTTYgen to translate an
 * OpenSSH private key file to a PuTTY compatible private key.
 */
public class PuTTYgenTranslationDialog extends MessageDialog {

    /**
     * The full path where the translated PuTTY key must be saved in order
     * for Eclipse to find it.
     */
    private final String puttyPrivateKeyFile;

    /**
     * Creates a new dialog explaining how to convert an OpenSSH private key
     * file to a PuTTY compatible private key.
     * 
     * @param puttyPrivateKeyFile
     *            The full path where the user must save the PuTTY key in
     *            order for Eclipse to find it.
     */
    public PuTTYgenTranslationDialog(String puttyPrivateKeyFile) {
        super(Display.getDefault().getShells()[0], "Translate Key with PuTTYgen", null,
                "This key needs to be translated with PuTTYgen before PuTTY can use it.", MessageDialog.INFORMATION,
                new String[] { "Ok" }, 1);

        this.puttyPrivateKeyFile = puttyPrivateKeyFile;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.dialogs.MessageDialog#createCustomArea(org.eclipse.swt.widgets.Composite)
     */
    @Override
    protected Control createCustomArea(Composite parent) {
        Composite composite = new Composite(parent, SWT.NONE);
        composite.setLayout(new GridLayout());
        composite.setLayoutData(new GridData(GridData.FILL_BOTH));

        String instructions = "When PuTTYgen opens, select 'Save private key'.\n"
                + "For Eclipse to find the key, it must be saved as: ";

        Label instructionsLabel = new Label(composite, SWT.WRAP);
        instructionsLabel.setText(instructions);
        instructionsLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        Label puttyKeyLabel = new Label(composite, SWT.WRAP);
        puttyKeyLabel.setText(puttyPrivateKeyFile);
        puttyKeyLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

        Font font = puttyKeyLabel.getFont();
        FontData oldFontData = font.getFontData()[0];

        FontData fontData = new FontData();
        fontData.setName(oldFontData.getName());
        fontData.setHeight(oldFontData.getHeight() + 4);
        fontData.setStyle(SWT.BOLD);

        puttyKeyLabel.setFont(new Font(Display.getCurrent(), fontData));

        return composite;
    }
}