org.dslforge.xtext.common.scoping.BasicTextContainerManager.java Source code

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Here is the source code for org.dslforge.xtext.common.scoping.BasicTextContainerManager.java

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/**
 * <copyright>
 *
 * Copyright (c) 2015 PlugBee. 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:
 *     Amine Lajmi - Initial API and implementation
 *
 * </copyright>
 */
package org.dslforge.xtext.common.scoping;

import java.util.Collections;
import java.util.List;

import org.eclipse.xtext.resource.IContainer;
import org.eclipse.xtext.resource.IResourceDescription;
import org.eclipse.xtext.resource.IResourceDescriptions;
import org.eclipse.xtext.resource.containers.IAllContainersState;
import org.eclipse.xtext.resource.containers.IContainerState;
import org.eclipse.xtext.resource.containers.StateBasedContainerManager;

import com.google.common.collect.Lists;

/**
 * 
 * @author Amine Lajmi
 *
 */
public class BasicTextContainerManager extends StateBasedContainerManager {

    private IResourceDescription description;

    @Override
    public List<IContainer> getVisibleContainers(IResourceDescription desc,
            IResourceDescriptions resourceDescriptions) {
        description = desc;
        return super.getVisibleContainers(desc, resourceDescriptions);
    }

    protected List<IContainer> getVisibleContainers(List<String> handles,
            IResourceDescriptions resourceDescriptions) {
        if (handles.isEmpty())
            return Collections.emptyList();
        List<IContainer> result = Lists.newArrayListWithExpectedSize(handles.size() + 1);
        String handle = internalGetContainerHandle(description, resourceDescriptions);
        IContainer container = newContainer(handle, resourceDescriptions);
        result.add(container);
        return result;
    }

    protected IContainer newContainer(String handle, IResourceDescriptions resourceDescriptions) {
        IAllContainersState state = getState(resourceDescriptions);
        IContainerState containerState = new BasicTextContainerState(handle, state);
        BasicTextContainer result = new BasicTextContainer(resourceDescriptions, containerState);
        return result;
    }
}