// ============================================================================
//
// Copyright (C) 2006-2012 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.repository.ui.actions.context;

import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TreeViewer;
import org.talend.commons.exception.PersistenceException;
import org.talend.commons.ui.runtime.exception.ExceptionHandler;
import org.talend.core.model.general.Project;
import org.talend.core.model.properties.Property;
import org.talend.core.model.repository.RepositoryObject;
import org.talend.core.repository.model.ProxyRepositoryFactory;
import org.talend.repository.ProjectManager;
import org.talend.repository.model.RepositoryNode;
import org.talend.repository.ui.actions.AContextualAction;

/**
 * DOC talend class global comment. Detailled comment
 */
public class AbstractConextAction extends AContextualAction {

    protected RepositoryNode repositoryNode;

    /*
     * (non-Javadoc)
     * 
     * @see org.talend.repository.ui.actions.AContextualAction#doRun()
     */
    @Override
    protected void doRun() {
        // TODO Auto-generated method stub

    }

    /*
     * (non-Javadoc)
     * 
     * @see org.talend.commons.ui.swt.actions.ITreeContextualAction#init(org.eclipse.jface.viewers.TreeViewer,
     * org.eclipse.jface.viewers.IStructuredSelection)
     */
    public void init(TreeViewer viewer, IStructuredSelection selection) {
        setEnabled(false);
        Object o = selection.getFirstElement();
        if (selection.isEmpty() || selection.size() != 1 || !(o instanceof RepositoryNode)) {
            return;
        }
        repositoryNode = (RepositoryNode) o;
    }

    /*
     * (non-Javadoc)
     * 
     * @see org.talend.repository.ui.actions.AContextualAction#updateNodeToLastVersion()
     */
    @Override
    protected void updateNodeToLastVersion() {
        if (repositoryNode == null || repositoryNode.getObject() == null
                || !(repositoryNode.getObject() instanceof RepositoryObject)) {
            return;
        }

        Property property = repositoryNode.getObject().getProperty();
        Property updatedProperty = null;

        if (getNeededVersion() == null) {
            try {
                updatedProperty = ProxyRepositoryFactory.getInstance().getLastVersion(
                        new Project(ProjectManager.getInstance().getProject(property.getItem())), property.getId()).getProperty();
            } catch (PersistenceException e) {
                ExceptionHandler.process(e);
            }
        } else {
            try {
                updatedProperty = ProxyRepositoryFactory.getInstance().getUptodateProperty(
                        new Project(ProjectManager.getInstance().getProject(property.getItem())), property);
            } catch (PersistenceException e) {
                ExceptionHandler.process(e);
            }
        }

        // update the property of the node repository object
        // repositoryNode.getObject().setProperty(updatedProperty);
    }

}