package de.intevation.flys.artifacts.model;

import org.apache.log4j.Logger;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

import de.intevation.artifacts.ArtifactNamespaceContext;

import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;

import de.intevation.artifactdatabase.state.DefaultFacet;
import de.intevation.artifactdatabase.state.Facet;


/**
 * Facet with user-supplied theme-control-information (pos in list,
 * active/disabled etc) attached.
 */
public class ManagedFacet extends DefaultFacet {

    /** The uuid of the owner artifact. */
    protected String uuid;

    /** A property that determines the position of this facet. */
    protected int position;

    /** A property that determines if this facet is active or not. */
    protected int active;

    /** The logger that is used in this class. */
    private static Logger logger = Logger.getLogger(ManagedFacet.class);

    /** A property that determines if this facet is visible or not. */
    protected int visible;


    public ManagedFacet() {
    }

    public ManagedFacet(
        String  name,
        int     index,
        String  desc,
        String  uuid,
        int     pos,
        int     active,
        int     visible)
    {
        super(index, name, desc);

        this.uuid     = uuid;
        this.position = pos;
        this.active   = active;
        this.visible  = visible;
    }


    /**
     * Sets position (will be merged to position in ThemeList).
     */
    public void setPosition(int pos) {
        this.position = pos;
    }


    public int getPosition() {
        return position;
    }


    public void setActive(int active) {
        this.active = active;
    }


    public int getActive() {
        return active;
    }


    public void setVisible(int visible) {
        this.visible = visible;
    }


    public int getVisible() {
        return visible;
    }


    /**
     * Get uuid of related artifact.
     * @return uuid of related artifact.
     */
    public String getArtifact() {
        return uuid;
    }


    public Node toXML(Document doc) {
        ElementCreator ec = new ElementCreator(
            doc,
            ArtifactNamespaceContext.NAMESPACE_URI,
            ArtifactNamespaceContext.NAMESPACE_PREFIX);

        Element facet = ec.create("theme");
        ec.addAttr(facet, "artifact", getArtifact(), true);
        ec.addAttr(facet, "facet", getName(), true);
        ec.addAttr(facet, "pos", String.valueOf(getPosition()), true);
        ec.addAttr(facet, "active", String.valueOf(getActive()), true);
        ec.addAttr(facet, "index", String.valueOf(getIndex()), true);
        ec.addAttr(facet, "description", getDescription(), true);
        ec.addAttr(facet, "visible", String.valueOf(getVisible()), true);

        return facet;
    }

    public void set(ManagedFacet other) {
        uuid     = other.uuid;
        position = other.position;
        active   = other.active;
    }

    @Override 
    public Facet deepCopy() {
        ManagedFacet copy = new ManagedFacet();
        copy.set((DefaultFacet)this);
        copy.set((ManagedFacet)this);
        return copy;
    }
}
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