path: root/src/de/fhswf/in/inf/se/projektthemenvergabe/model/Ansprechpartner.java

package de.fhswf.in.inf.se.projektthemenvergabe.model;

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

import javafx.beans.Observable;
import javafx.beans.binding.StringExpression;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.util.Callback;

/**
 * 
 * Class Ansprechpartner to represents data.
 *
 * @author Dina-Marie Hanxleden & Stefan Suhren
 * @version 1.0
 */
public class Ansprechpartner
{
   private StringProperty vorname = new SimpleStringProperty();

   private StringProperty nachname = new SimpleStringProperty();

   private ArrayList<Projekt> projekt = new ArrayList<Projekt>();

   private ObjectProperty<Organisation> organisation = new SimpleObjectProperty<>();

   private String oldVorname = "";

   private String oldNachname = "";

   /**
    * Generates an extractor that fires when a property of a list value
    * changes.
    *
    * @return The extractor.
    */
   public static Callback<Ansprechpartner, Observable[]> extractor()
   {
      return ansprechpartner -> {
         List<Observable> extractorList = new ArrayList<>();

         extractorList.add(ansprechpartner.vornameProperty());
         extractorList.add(ansprechpartner.nachnameProperty());
         extractorList.add(ansprechpartner.organisationProperty());

         if (ansprechpartner.getOrganisation() != null)
         {
            extractorList
                  .add(ansprechpartner.getOrganisation().nameProperty());
         }

         return extractorList.toArray(new Observable[extractorList.size()]);
      };
   }

   /**
    * Constructor of Ansprechpartner.
    *
    * @param organisation
    *           The {@link Organisation} of the {@link Ansprechpartner}.
    * @param vorname
    *           The vorname of the {@link Ansprechpartner}.
    * @param nachname
    *           The nachname of the {@link Ansprechpartner}.
    */
   public Ansprechpartner(Organisation organisation, String vorname,
         String nachname)
   {
      if (vorname == null)
      {
         throw new IllegalArgumentException("Vorname can't be null.");
      }

      if (nachname == null)
      {
         throw new IllegalArgumentException("Nachname can't be null.");
      }

      if (vorname.isEmpty())
      {
         throw new IllegalArgumentException("Vorname can't be empty.");
      }

      if (nachname.isEmpty())
      {
         throw new IllegalArgumentException("Nachname can't be empty.");
      }

      this.organisation.set(organisation);

      if (organisation != null)
      {
         this.organisation.get().addAnsprechpartner(this);
      }

      this.vorname.set(vorname);
      this.nachname.set(nachname);

      oldVorname = vorname;
      oldNachname = nachname;
   }

   /**
    * Getter for an unmodifiable list of projects.
    *
    * @return Collection.unmodifiableList(projekt)
    */
   public List<Projekt> getProjekte()
   {
      return Collections.unmodifiableList(projekt);
   }

   /**
    * Add a project to Ansprechpartner.
    *
    * @param projekt
    */
   public void addProjekt(Projekt projekt)
   {
      if (projekt == null)
      {
         throw new IllegalArgumentException(
               "Es muss ein Projekt zum Hinzufügen gegeben sein.");
      }

      if (!this.projekt.contains(projekt))
      {
         this.projekt.add(projekt);
      }
   }

   /**
    * Remove a project from Ansprechpartner.
    *
    * @param projekt
    */
   public void removeProjekt(Projekt projekt)
   {
      if (projekt == null)
      {
         throw new IllegalArgumentException(
               "Es muss ein Projekt zum Entfernen gegeben sein.");
      }

      this.projekt.remove(projekt);
   }

   /**
    * Getter for property organisation.
    *
    * @return Returns the organisation.
    */
   public ObjectProperty<Organisation> organisationProperty()
   {
      return organisation;
   }

   /**
    * Getter for organisation.
    * 
    * @return Returns the organisation.
    */
   public Organisation getOrganisation()
   {
      return organisation.get();
   }

   /**
    * Setter for organisation.
    *
    * @param organisation
    *           The organisation to set.
    */
   public void setOrganisation(Organisation organisation)
   {
      if (this.organisation.get() != null)
      {
         this.organisation.get().removeAnsprechpartner(this);
      }

      this.organisation.set(organisation);

      if (organisation != null)
      {
         organisation.addAnsprechpartner(this);
      }
   }

   /**
    * Getter for property nachname.
    * 
    * @return Returns the nachname.
    */
   public final StringProperty nachnameProperty()
   {
      return this.nachname;
   }

   /**
    * Getter for nachname.
    * 
    * @return Returns the nachname.
    */
   public String getNachname()
   {
      return this.nachname.get();
   }

   /**
    * Setter for nachname.
    *
    * @param nachname
    *           The nachname to set.
    */
   public void setNachname(String nachname)
   {
      this.nachname.set(nachname);
   }

   /**
    * Getter for property vorname.
    * 
    * @return Returns the vorname.
    */
   public final StringProperty vornameProperty()
   {
      return this.vorname;
   }

   /**
    * Getter for property vorname.
    * 
    * @return Returns the vorname.
    */
   public String getVorname()
   {
      return vorname.get();
   }

   /**
    * Setter for vorname.
    *
    * @param vorname
    *           The vorname to set.
    */
   public void setVorname(String vorname)
   {
      this.vorname.set(vorname);
   }

   /**
    * A read-only {@link StringExpression} that is the combined
    * vornameProperty and nachnameProperty.
    *
    * @return The full name of the {@link Ansprechpartner}.
    */
   public StringExpression nameProperty()
   {
      return vorname.concat(new SimpleStringProperty(" ").concat(nachname));
   }

   /*
    * (non-Javadoc)
    * 
    * @see java.lang.Object#equals(java.lang.Object)
    */
   @Override
   public boolean equals(Object obj)
   {
      if (!(obj instanceof Ansprechpartner))
      {
         return false;
      }

      return ((Ansprechpartner) obj).vorname.get().equals(vorname.get())
            && ((Ansprechpartner) obj).nachname.get().equals(nachname.get());
   }

   /*
    * (non-Javadoc)
    * 
    * @see java.lang.Object#toString()
    */
   @Override
   public String toString()
   {
      return vorname.get() + " " + nachname.get();
   }

   /**
    * Get the previous first name of this Ansprechpartner.
    *
    */
   public String getOldVorname()
   {
      String tmp = oldVorname;
      oldVorname = vorname.get();

      return tmp;
   }

   /**
    * Get the previous last name of this Ansprechpartner.
    *
    */
   public String getOldNachname()
   {
      String tmp = oldNachname;
      oldNachname = nachname.get();

      return tmp;
   }
}