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

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

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/*******************************************************************************
 * Copyright (c) 2008, 2010 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.equinox.internal.security.ui.storage.IStorageConst;
import org.eclipse.jface.dialogs.*;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.PlatformUI;

public class NewNodeDialog extends TitleAreaDialog {

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

    protected Text nodeName;
    protected Button okButton;
    protected String name;

    public NewNodeDialog(Shell parentShell) {
        super(parentShell);
    }

    protected void configureShell(Shell shell) {
        super.configureShell(shell);
        shell.setText(SecUIMessages.newNodeTitle);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(shell, HELP_ID);
    }

    protected void createButtonsForButtonBar(Composite parent) {
        okButton = createButton(parent, IDialogConstants.OK_ID, SecUIMessages.newNodeOK, true);
        okButton.setEnabled(false);
        createButton(parent, IDialogConstants.CANCEL_ID, SecUIMessages.newNodeCancel, false);
    }

    protected Control createDialogArea(Composite parent) {
        Composite composite = (Composite) super.createDialogArea(parent);
        setMessage(SecUIMessages.newNodeMsg);

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

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

        return composite;
    }

    protected boolean validName() {
        String tmp = nodeName.getText();
        boolean valid;
        if ((tmp == null) || (tmp.length() == 0))
            valid = false;
        else if (tmp.equals(IStorageConst.STORAGE_ID))
            valid = false;
        else
            valid = (tmp.indexOf('/') == -1);
        if (valid)
            setMessage(SecUIMessages.newNodeMsg, IMessageProvider.NONE);
        else
            setMessage(SecUIMessages.newNodeInvalid, IMessageProvider.ERROR);
        return valid;
    }

    protected void okPressed() {
        name = nodeName.getText();
        super.okPressed();
    }

    public String getNodeName() {
        return name;
    }

}