cn.dockerfoundry.ide.eclipse.server.ui.internal.UpdatePasswordDialog.java Source code

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Here is the source code for cn.dockerfoundry.ide.eclipse.server.ui.internal.UpdatePasswordDialog.java

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/*******************************************************************************
 * Copyright (c) 2012, 2014 Pivotal Software, Inc. 
 * 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of 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://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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.
 *  
 *  Contributors:
 *     Pivotal Software, Inc. - initial API and implementation
 ********************************************************************************/
package cn.dockerfoundry.ide.eclipse.server.ui.internal;

import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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;

/**
 * @author Terry Denney
 */
public class UpdatePasswordDialog extends Dialog {

    private String password;

    private String verifyPassword;

    private final String username;

    private Label description;

    public UpdatePasswordDialog(Shell parentShell, String username) {
        super(parentShell);
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        getShell().setText(Messages.UpdatePasswordDialog_TEXT_CHANGE_PW_TITLE);

        Composite control = (Composite) super.createDialogArea(parent);

        Composite composite = new Composite(control, SWT.NONE);
        GridDataFactory.fillDefaults().applyTo(composite);
        GridLayoutFactory.fillDefaults().numColumns(2).applyTo(composite);

        description = new Label(composite, SWT.NONE);
        description.setText(NLS.bind(Messages.UpdatePasswordDialog_TEXT_ENTER_NEW_PW, username));
        GridDataFactory.fillDefaults().span(2, 1).applyTo(description);

        Label newPasswordLabel = new Label(composite, SWT.NONE);
        newPasswordLabel.setText(Messages.UpdatePasswordDialog_TEXT_NEW_PW_LABEL);
        GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).applyTo(newPasswordLabel);

        final Text newPasswordText = new Text(composite, SWT.PASSWORD | SWT.BORDER);
        GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).hint(250, SWT.DEFAULT)
                .applyTo(newPasswordText);
        newPasswordText.addModifyListener(new ModifyListener() {

            public void modifyText(ModifyEvent e) {
                password = newPasswordText.getText();
                update();
            }
        });

        Label verifyPasswordLabel = new Label(composite, SWT.NONE);
        verifyPasswordLabel.setText(Messages.UpdatePasswordDialog_TEXT_VERIFY_PW_LABEL);
        GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).applyTo(verifyPasswordLabel);

        final Text verifyPasswordText = new Text(composite, SWT.PASSWORD | SWT.BORDER);
        GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(verifyPasswordText);
        verifyPasswordText.addModifyListener(new ModifyListener() {

            public void modifyText(ModifyEvent e) {
                verifyPassword = verifyPasswordText.getText();
                update();
            }
        });

        return control;
    }

    private void update() {
        getButton(OK).setEnabled(
                password != null && password.length() > 0 && verifyPassword != null && verifyPassword.length() > 0);

        if (password == null || password.length() == 0) {
            description.setText(NLS.bind(Messages.UpdatePasswordDialog_TEXT_ENTER_NEW_PW, username));
            getButton(OK).setEnabled(false);
        } else if (verifyPassword == null || verifyPassword.length() == 0) {
            description.setText(NLS.bind(Messages.UpdatePasswordDialog_TEXT_VERIFY_PW_FOR, username));
            getButton(OK).setEnabled(false);
        } else if (!password.equals(verifyPassword)) {
            description.setText(Messages.UpdatePasswordDialog_TEXT_MISMATCH_PW);
            getButton(OK).setEnabled(false);
        } else {
            description.setText(Messages.UpdatePasswordDialog_TEXT_PROMPT_OK);
            getButton(OK).setEnabled(true);
        }
    }

    @Override
    protected Control createButtonBar(Composite parent) {
        Control buttonBar = super.createButtonBar(parent);
        getButton(OK).setEnabled(false);
        return buttonBar;
    }

    @Override
    protected void okPressed() {
        if (!verifyPassword.equals(password)) {
            MessageDialog.openError(getParentShell(), Messages.UpdatePasswordDialog_ERROR_VERIFY_PW_TITLE,
                    Messages.UpdatePasswordDialog_ERROR_VERIFY_PW_BODY);
            return;
        }

        super.okPressed();
    }

}