org.eclipse.equinox.internal.security.ui.storage.view.NewValueDialog.java Source code

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Here is the source code for org.eclipse.equinox.internal.security.ui.storage.view.NewValueDialog.java

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/*******************************************************************************
 * Copyright (c) 2008 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 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.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.PlatformUI;

public class NewValueDialog extends TitleAreaDialog {

    private static final String HELP_ID = Activator.PLUGIN_ID + ".NewValueDialog"; //$NON-NLS-1$

    private static final ImageDescriptor dlgImageDescriptor = ImageDescriptor.createFromFile(NodesView.class,
            "/icons/storage/new_value_wiz.png"); //$NON-NLS-1$

    private final String[] existingKeys;

    protected Text keyText;
    protected Text valueText;
    protected Button encryptButton;
    protected Button okButton;
    protected String key;
    protected String value;
    protected boolean encrypt;

    private Image dlgTitleImage = null;

    public NewValueDialog(String[] existingKeys, Shell parentShell) {
        super(parentShell);
        this.existingKeys = existingKeys;
    }

    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.addValueOK, true);
        okButton.setEnabled(false);
        createButton(parent, IDialogConstants.CANCEL_ID, SecUIMessages.addValueCancel, false);
    }

    protected Control createContents(Composite parent) {
        Control contents = super.createContents(parent);
        setTitle(SecUIMessages.addValueTitle);
        setMessage(SecUIMessages.addValueMsg);
        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);

        new Label(composite, SWT.LEFT).setText(SecUIMessages.addValueKeyLabel);
        keyText = new Text(composite, SWT.LEFT | SWT.BORDER);
        keyText.addModifyListener(new ModifyListener() {
            public void modifyText(ModifyEvent event) {
                okButton.setEnabled(validName());
            }
        });

        new Label(composite, SWT.LEFT).setText(SecUIMessages.addValueValueLabel);
        valueText = new Text(composite, SWT.LEFT | SWT.BORDER);

        encryptButton = new Button(composite, SWT.CHECK);
        encryptButton.setText(SecUIMessages.addValueEncryptLabel);
        encryptButton.setSelection(true); // encrypt by default

        composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        GridLayoutFactory.swtDefaults().generateLayout(composite);

        return composite;
    }

    protected boolean validName() {
        String tmp = keyText.getText();
        boolean valid;
        if ((tmp == null) || (tmp.length() == 0))
            valid = false;
        else {
            valid = true;
            for (int i = 0; i < existingKeys.length; i++) {
                if (existingKeys[i].equals(tmp)) {
                    valid = false;
                    break;
                }
            }
            valid = (tmp.indexOf('/') == -1);
        }
        if (valid)
            setMessage(SecUIMessages.addValueMsg, IMessageProvider.NONE);
        else
            setMessage(SecUIMessages.addValueInvalid, IMessageProvider.ERROR);
        return valid;
    }

    protected void okPressed() {
        key = keyText.getText();
        value = valueText.getText();
        encrypt = encryptButton.getSelection();
        super.okPressed();
    }

    public String getKey() {
        return key;
    }

    public String getValue() {
        return value;
    }

    public boolean encrypt() {
        return encrypt;
    }

}