JoinGroupWizardPage.java

/*******************************************************************************
 * Copyright (c) 2004, 2007 Composent, Inc. 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:
 *    Composent, Inc. - initial API and implementation
 ******************************************************************************/
package org.eclipse.ecf.internal.example.collab.ui;

import org.eclipse.ecf.core.ContainerFactory;
import org.eclipse.ecf.core.ContainerTypeDescription;
import org.eclipse.ecf.internal.example.collab.Messages;
import org.eclipse.ecf.ui.SharedImages;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.*;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.*;

public class JoinGroupWizardPage extends WizardPage {

	protected static final String CLASSNAME = JoinGroupWizardPage.class.getName();

	protected static final String USER_NAME_SYSTEM_PROPERTY = "user.name"; //$NON-NLS-1$

	protected static final String PAGE_DESCRIPTION = Messages.JoinGroupWizardPage_COMPLETE_ACCOUNT_INFO;
	protected static final String JOINGROUP_FIELDNAME = Messages.JoinGroupWizardPage_GROUPID;
	protected static final String NICKNAME_FIELDNAME = Messages.JoinGroupWizardPage_NICKNAME;
	protected static final String ECF_DEFAULT_URL = Messages.JoinGroupWizardPage_DEFAULT_SERVER;
	protected static final String ECF_TEMPLATE_URL = Messages.JoinGroupWizardPage_TEMPLATE;
	protected static final String PAGE_TITLE = Messages.JoinGroupWizardPage_CONNECT_GENERIC_TITLE;

	protected static final String DEFAULT_CLIENT = "ecf.generic.client"; //$NON-NLS-1$

	private static final String DIALOG_SETTINGS = CLASSNAME;

	private String connectID = null;

	public JoinGroupWizardPage() {
		super("wizardPage"); //$NON-NLS-1$
		setTitle(PAGE_TITLE);
		setDescription(PAGE_DESCRIPTION);
		setImageDescriptor(SharedImages.getImageDescriptor(SharedImages.IMG_COLLABORATION_WIZARD));
	}

	public JoinGroupWizardPage(String connectID) {
		super("wizardPage"); //$NON-NLS-1$
		setTitle(PAGE_TITLE);
		setDescription(PAGE_DESCRIPTION);
		setImageDescriptor(SharedImages.getImageDescriptor(SharedImages.IMG_COLLABORATION_WIZARD));
		this.connectID = connectID;
	}

	protected String template_url = ECF_TEMPLATE_URL;
	protected String default_url = ECF_DEFAULT_URL;

	protected Text nicknameText;
	protected Text joinGroupText;
	private Text text;
	private ContainerTypeDescription desc;
	protected String urlPrefix = ""; //$NON-NLS-1$

	// private Button autoLogin = null;
	private final boolean autoLoginFlag = false;

	public boolean getAutoLoginFlag() {
		return autoLoginFlag;
	}

	protected void fillCombo() {
		desc = ContainerFactory.getDefault().getDescriptionByName(DEFAULT_CLIENT);
		if (desc != null) {
			final String name = desc.getName();
			final String description = desc.getDescription();
			text.setText(description + " - " + name); //$NON-NLS-1$
		}
	}

	public void createControl(Composite parent) {
		final Composite container = new Composite(parent, SWT.NONE);
		final GridLayout gridLayout = new GridLayout(2, false);
		container.setLayout(gridLayout);
		setControl(container);

		final Label label_4 = new Label(container, SWT.NONE);
		label_4.setText(Messages.JoinGroupWizardPage_PROTOCOL);

		text = new Text(container, SWT.SINGLE | SWT.BORDER | SWT.READ_ONLY);
		final GridData data = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
		text.setLayoutData(data);

		final Label groupIDLabel = new Label(container, SWT.NONE);
		groupIDLabel.setText(JOINGROUP_FIELDNAME);

		joinGroupText = new Text(container, SWT.BORDER);
		joinGroupText.setFocus();
		joinGroupText.setText(default_url);
		joinGroupText.setLayoutData(data);

		final Label exampleLabel = new Label(container, SWT.NONE);
		exampleLabel.setText(template_url);
		exampleLabel.setLayoutData(new GridData(SWT.END, SWT.BEGINNING, false, false, 2, 1));

		joinGroupText.setLayoutData(data);
		joinGroupText.addFocusListener(new FocusAdapter() {
			public void focusGained(FocusEvent e) {
				joinGroupText.selectAll();
			}
		});

		final Label nicknameLabel = new Label(container, SWT.NONE);
		nicknameLabel.setLayoutData(new GridData());
		nicknameLabel.setText(NICKNAME_FIELDNAME);

		nicknameText = new Text(container, SWT.BORDER);
		nicknameText.setLayoutData(data);
		nicknameText.setText(System.getProperty(USER_NAME_SYSTEM_PROPERTY));
		nicknameText.addFocusListener(new FocusAdapter() {
			public void focusGained(FocusEvent e) {
				nicknameText.selectAll();
			}
		});
		nicknameText.addModifyListener(new ModifyListener() {
			public void modifyText(ModifyEvent e) {
				validateNicknameText();
			}
		});

		fillCombo();
		restoreDialogSettings();
		if (connectID != null) {
			joinGroupText.setText(connectID);
		}
		org.eclipse.jface.dialogs.Dialog.applyDialogFont(parent);
	}

	private void validateNicknameText() {
		final String nickname = nicknameText.getText();
		if ("".equals(nickname)) { //$NON-NLS-1$
			setErrorMessage(Messages.JoinGroupWizardPage_NICKNAME_CANNOT_BE_EMPTY);
			setPageComplete(false);
		} else {
			setErrorMessage(null);
			setPageComplete(true);
		}
	}

	private void restoreDialogSettings() {
		final IDialogSettings dialogSettings = getDialogSettings();
		if (dialogSettings != null) {
			final IDialogSettings pageSettings = dialogSettings.getSection(DIALOG_SETTINGS);
			if (pageSettings != null) {
				String strVal = pageSettings.get("url"); //$NON-NLS-1$
				if (strVal != null)
					joinGroupText.setText(strVal);

				strVal = pageSettings.get("nickname"); //$NON-NLS-1$
				if (strVal != null)
					nicknameText.setText(strVal);
			}
		}
	}

	public void saveDialogSettings() {
		final IDialogSettings dialogSettings = getDialogSettings();
		if (dialogSettings != null) {
			IDialogSettings pageSettings = dialogSettings.getSection(DIALOG_SETTINGS);
			if (pageSettings == null)
				pageSettings = dialogSettings.addNewSection(DIALOG_SETTINGS);

			pageSettings.put("url", joinGroupText.getText()); //$NON-NLS-1$
			pageSettings.put("nickname", nicknameText.getText()); //$NON-NLS-1$
			pageSettings.put("provider", text.getText()); //$NON-NLS-1$
		}
	}

	public String getJoinGroupText() {
		String textValue = joinGroupText.getText().trim();
		if (!urlPrefix.equals("") && !textValue.startsWith(urlPrefix)) { //$NON-NLS-1$
			textValue = urlPrefix + textValue;
		}
		return textValue;
	}

	public String getNicknameText() {
		if (nicknameText == null)
			return null;
		return nicknameText.getText().trim();
	}

	public String getContainerType() {
		return desc == null ? null : desc.getName();
	}
}