org.jboss.ide.eclipse.as.ui.wizards.JBossConfigurationTableViewer.java Source code

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Here is the source code for org.jboss.ide.eclipse.as.ui.wizards.JBossConfigurationTableViewer.java

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/*******************************************************************************
 * Copyright (c) 2010 Red Hat, Inc.
 * Distributed under license by Red Hat, Inc. All rights reserved.
 * This program is 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:
 *     Red Hat, Inc. - initial API and implementation
 ******************************************************************************/
package org.jboss.ide.eclipse.as.ui.wizards;

import java.io.File;
import java.util.ArrayList;

import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Table;
import org.jboss.ide.eclipse.as.core.util.IConstants;
import org.jboss.ide.eclipse.as.ui.JBossServerUISharedImages;

/**
 * @author Marshall
 */
public class JBossConfigurationTableViewer extends TableViewer {
    // private String jbossHome;
    private String selectedConfiguration;

    public JBossConfigurationTableViewer(Composite parent) {
        super(parent);
        init();
    }

    public JBossConfigurationTableViewer(Composite parent, int style) {
        super(parent, style);
        init();
    }

    public JBossConfigurationTableViewer(Table table) {
        super(table);
        init();
    }

    public void setFolder(String folder) {
        setInput(folder);
        String t = getSelectedConfiguration();
        if (t == null) {
            t = IConstants.DEFAULT_CONFIGURATION;
            setConfiguration(t);
        }
        if (t != null)
            setSelection(new StructuredSelection(new Object[] { t }));
    }

    public String getSelectedConfiguration() {
        return selectedConfiguration;
    }

    public void setConfiguration(String defaultConfiguration) {
        selectedConfiguration = defaultConfiguration;
        setSelection(new StructuredSelection(defaultConfiguration));
    }

    private void init() {
        ConfigurationProvider provider = new ConfigurationProvider();
        setContentProvider(provider);
        setLabelProvider(provider);
        getControl().setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true));
        addSelectionChangedListener(new ISelectionChangedListener() {
            public void selectionChanged(SelectionChangedEvent event) {
                configurationSelected();
            }
        });
    }

    protected String getCurrentlySelectedConfiguration() {
        if (getSelection() instanceof IStructuredSelection) {
            IStructuredSelection selection = (IStructuredSelection) getSelection();
            return (String) selection.getFirstElement();
        }

        return null;
    }

    protected void configurationSelected() {
        selectedConfiguration = getCurrentlySelectedConfiguration();
    }

    protected class ConfigurationProvider implements IStructuredContentProvider, ILabelProvider {
        public void dispose() {
            // ignore
        }

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

        public Object[] getElements(Object inputElement) {
            ArrayList<String> configList = new ArrayList<String>();
            File serverDirectory = new File(inputElement.toString());

            if (serverDirectory.exists()) {

                File types[] = serverDirectory.listFiles();
                for (int i = 0; i < types.length; i++) {
                    File serviceDescriptor = new File(types[i].getAbsolutePath() + File.separator + "conf" //$NON-NLS-1$
                            + File.separator + "jboss-service.xml"); //$NON-NLS-1$

                    if (types[i].isDirectory() && serviceDescriptor.exists()) {
                        String configuration = types[i].getName();
                        configList.add(configuration);
                    }
                }

                if (configList.size() > 0) {
                    getControl().setEnabled(true);
                }
            }

            return configList.toArray();
        }

        public void addListener(ILabelProviderListener listener) {
            // ignore
        }

        public boolean isLabelProperty(Object element, String property) {
            return false;
        }

        public void removeListener(ILabelProviderListener listener) {
            // ignore
        }

        public Image getImage(Object element) {
            return JBossServerUISharedImages.getImage(JBossServerUISharedImages.IMG_JBOSS_CONFIGURATION);
        }

        public String getText(Object element) {
            return (String) element;
        }
    }
}