org.cloudfoundry.ide.eclipse.internal.server.ui.wizards.DeleteServicesWizardPage.java Source code

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Here is the source code for org.cloudfoundry.ide.eclipse.internal.server.ui.wizards.DeleteServicesWizardPage.java

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/*******************************************************************************
 * Copyright (c) 2012 VMware, Inc.
 * 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:
 *     VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.cloudfoundry.ide.eclipse.internal.server.ui.wizards;

import java.util.ArrayList;
import java.util.List;

import org.cloudfoundry.ide.eclipse.internal.server.core.CloudFoundryServer;
import org.cloudfoundry.ide.eclipse.internal.server.ui.CloudFoundryImages;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;

/**
 * @author Terry Denney
 */
public class DeleteServicesWizardPage extends WizardPage {

    private final List<String> services;

    private CheckboxTableViewer viewer;

    private Object[] checkedElements;

    public DeleteServicesWizardPage(CloudFoundryServer cloudServer, List<String> services) {
        super("service");
        this.services = services;
        setTitle("Delete Services");
        setDescription("Select which services associated with the application you would like to be deleted.");
        ImageDescriptor banner = CloudFoundryImages
                .getWizardBanner(cloudServer.getServer().getServerType().getId());
        if (banner != null) {
            setImageDescriptor(banner);
        }
    }

    @Override
    public boolean isPageComplete() {
        //      return checkedElements != null && checkedElements.length > 0;
        return true;
    }

    public void createControl(Composite parent) {
        Composite container = new Composite(parent, SWT.NONE);
        container.setLayout(new GridLayout());

        Table table = new Table(container, SWT.CHECK | SWT.BORDER);
        table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

        viewer = new CheckboxTableViewer(table);

        viewer.addCheckStateListener(new ICheckStateListener() {

            public void checkStateChanged(CheckStateChangedEvent event) {
                checkedElements = viewer.getCheckedElements();
                getWizard().getContainer().updateButtons();
            }
        });

        LabelProvider labelProvider = new LabelProvider();
        ITreeContentProvider contentProvider = new ITreeContentProvider() {

            public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
                // ignore
            }

            public void dispose() {
                // ignore
            }

            public Object[] getElements(Object inputElement) {
                return services.toArray();
            }

            public boolean hasChildren(Object element) {
                return false;
            }

            public Object getParent(Object element) {
                return null;
            }

            public Object[] getChildren(Object parentElement) {
                return null;
            }
        };

        viewer.setLabelProvider(labelProvider);
        viewer.setContentProvider(contentProvider);
        viewer.setInput(services);

        setControl(container);

        getWizard().getContainer().updateButtons();
    }

    public List<String> getSelectedServices() {
        List<String> result = new ArrayList<String>();
        if (checkedElements != null) {
            for (Object checkedElement : checkedElements) {
                result.add((String) checkedElement);
            }
        }
        return result;
    }

}