package org.gcube.portlets.widgets.ckandatapublisherwidget.client.ui.TwinColumnSelection;

import java.util.List;

import com.google.gwt.view.client.ProvidesKey;


/**
 * A left-side element for the list in TwinColumnSelection
 * @author Costantino Perciante at ISTI-CNR (costantino.perciante@isti.cnr.it)
 */
public class ResourceElementBean implements Comparable<ResourceElementBean>{

	private int identifier;
	private String name;
	private boolean movedToRight;
	private boolean isFolder;
	private ResourceElementBean parent;
	private List<ResourceElementBean> children;
	private String fullPath;

	// to generate the identifiers
	private static int nextId = 0;

	/**
	 * The key provider that provides the unique ID of a bean.
	 */
	public static final ProvidesKey<ResourceElementBean> KEY_PROVIDER = new ProvidesKey<ResourceElementBean>() {
		@Override
		public Object getKey(ResourceElementBean item) {
			return item == null ? null : item.getIdentifier();
		}
	};

	/**
	 * @param identifier
	 * @param parentFolder
	 * @param name
	 * @param movedToRight
	 * @param isFolder
	 */
	public ResourceElementBean(
			ResourceElementBean parent,
			String name, 
			boolean isFolder, 
			List<ResourceElementBean> children,
			String fullPath) {
		this.identifier = nextId;
		nextId++;
		this.parent = parent;
		this.name = name;
		this.isFolder = isFolder;
		this.children = children;
		this.fullPath = fullPath;
	}

	public ResourceElementBean getParent() {
		return parent;
	}

	public void setParent(ResourceElementBean parent) {
		this.parent = parent;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public boolean isMovedToRight() {
		return movedToRight;
	}

	public void setMovedToRight(boolean movedToRight) {
		this.movedToRight = movedToRight;
	}

	public int getIdentifier() {
		return identifier;
	}

	public void setIdentifier(int identifier) {
		this.identifier = identifier;
	}

	public boolean isFolder() {
		return isFolder;
	}

	public void setFolder(boolean isFolder) {
		this.isFolder = isFolder;
	}

	public List<ResourceElementBean> getChildren() {
		return children;
	}

	public void setChildren(List<ResourceElementBean> children) {
		this.children = children;
	}

	public String getFullPath() {
		return fullPath;
	}

	public void setFullPath(String fullPath) {
		this.fullPath = fullPath;
	}

	@Override
	public String toString() {
		return "ResourceElementBean [identifier=" + identifier + ", name="
				+ name + ", movedToRight=" + movedToRight + ", isFolder="
				+ isFolder + ", fullPath=" + fullPath + "]";
	}

	@Override
	public boolean equals(Object o) {
		boolean toReturn = false;
		if (o instanceof ResourceElementBean) {
			toReturn =  identifier == ((ResourceElementBean) o).identifier;
		}
		
		return toReturn;
	}

	@Override
	public int compareTo(ResourceElementBean o) {
		int toReturn = (o == null || o.fullPath == null) ? -1 : -o.fullPath.compareTo(fullPath);
		return toReturn;
	}
}