fr.opensagres.mongodb.ide.ui.wizards.AbstractSelectServerWizardPage.java Source code

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Here is the source code for fr.opensagres.mongodb.ide.ui.wizards.AbstractSelectServerWizardPage.java

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/*******************************************************************************
 * Copyright (C) 2012 Angelo Zerr <angelo.zerr@gmail.com>, Pascal Leclercq <pascal.leclercq@gmail.com>
 * 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:
 *     Angelo ZERR - initial API and implementation
 *     Pascal Leclercq - initial API and implementation
 *******************************************************************************/
package fr.opensagres.mongodb.ide.ui.wizards;

import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;

import fr.opensagres.mongodb.ide.core.Platform;
import fr.opensagres.mongodb.ide.core.model.Server;
import fr.opensagres.mongodb.ide.ui.internal.Messages;
import fr.opensagres.mongodb.ide.ui.internal.Validator;
import fr.opensagres.mongodb.ide.ui.viewers.ServerContentProvider;
import fr.opensagres.mongodb.ide.ui.viewers.ServerLabelProvider;

/**
 * Abstract select server wizard page.
 * 
 */
public abstract class AbstractSelectServerWizardPage extends AbstractWizardPage {

    private ComboViewer serverViewer;

    public AbstractSelectServerWizardPage(String pageName) {
        super(pageName);
    }

    @Override
    protected Composite createUI(Composite parent) {
        Composite container = new Composite(parent, SWT.NULL);
        container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        final GridLayout gridLayout = new GridLayout();
        gridLayout.numColumns = 2;
        container.setLayout(gridLayout);

        createUIContent(container);

        return container;
    }

    protected void createUIContent(Composite container) {

        // Display list of server.
        Label serverLabel = new Label(container, SWT.NONE);
        serverLabel.setText(Messages.server_label);
        serverViewer = new ComboViewer(container, SWT.BORDER | SWT.READ_ONLY);
        serverViewer.setLabelProvider(ServerLabelProvider.getInstance());
        serverViewer.setContentProvider(ServerContentProvider.getInstance());
        serverViewer.setInput(Platform.getServerManager().getServers());
        serverViewer.getControl().setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
        serverViewer.getCombo().addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                serverChanged();
            }

        });
    }

    protected void serverChanged() {
        validate();
    }

    @Override
    protected boolean validateFields() {
        // Validate server
        Server server = getSelectedServer();
        return (Validator.validateServer(server, this));
    }

    public Server getSelectedServer() {
        return serverViewer.getSelection().isEmpty() ? null
                : (Server) ((IStructuredSelection) serverViewer.getSelection()).getFirstElement();
    }

    @Override
    protected void onLoad() {
        Server server = getInitialServer();
        if (server != null) {
            serverViewer.setSelection(new StructuredSelection(server));
        }
    }

    private Server getInitialServer() {
        return ((AbstractSelectNodeWizard) getWizard()).getInitialServer();
    }
}