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package net.alantea.swing.pageelements;

import java.awt.Component;
import java.util.HashMap;
import java.util.Map;

import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;

import net.alantea.swing.layout.percent.PercentConstraints;
import net.alantea.swing.layout.percent.PercentLayout;
import net.alantea.swing.layout.percent.Where;
import net.alantea.utils.MultiMessages;

/**
 * The Class GUIElement.
 */
public abstract class GUIElement
{
   /** The decorations type. */
   private String type;

   /** The key. */
   private String key;

   /** The page. */
   private String page;

   /** The order. */
   private int order;
   
   /** The height. */
   private int height;
   
   /** The target. */
   private Object target;
   
   /** The editable. */
   private boolean editable;

   private JPanel panel;

   /** The attrs. */
   Map attrs = new HashMap<>();
   
   
   /**
    * Instantiates a new GUI element.
    *
    * @param type the type
    * @param target the target
    * @param key the key
    * @param editable the editable
    * @param page the page
    * @param height the height
    * @param order the order
    * @param attrs the attrs
    */
   public GUIElement(String type, Object target, String key,
                     boolean editable, String page, int height, int order, Map attrs)
   {
      this.type = type;
      this.key = key;
      this.page = page;
      this.order = order <= 0 ? 1000000000 : order;
      this.height = height;
      this.target = target;
      this.editable = editable;
      this.attrs = attrs;
      this.panel = null;
   }
   
   /**
    * Gets the type.
    *
    * @return the type
    */
   public String getType()
   {
      return type;
   }
   
   /**
    * Gets the order.
    *
    * @return the order
    */
   public int getOrder()
   {
      return order;
   }
   
   /**
    * Gets the height.
    *
    * @return the height
    */
   public int getHeight()
   {
      return height;
   }
   
   /**
    * Gets the key.
    *
    * @return the key
    */
   public String getKey()
   {
      return key;
   }
   
   /**
    * Gets the page.
    *
    * @return the page
    */
   public String getPage()
   {
      return page;
   }

   /**
    * Gets the target.
    *
    * @return the target
    */
   public Object getTarget()
   {
      return target;
   }
   
   /**
    * Checks if is editable.
    *
    * @return true, if is editable
    */
   public boolean isEditable()
   {
      return editable;
   }
   
   /**
    * Gets the attribute.
    *
    * @param key the key
    * @return the attribute
    */
   public String getAttribute(String key)
   {
      return attrs.get(key);
   }

   /**
    * Gets the serialversionuid.
    *
    * @return the serialversionuid
    */
   public static long getSerialversionuid()
   {
      return serialVersionUID;
   }

   /** The Constant serialVersionUID. */
   private static final long serialVersionUID = 1L;
   
   /**
    * Gets the GUI component.
    *
    * @return the GUI component
    */
   public Component getGUIComponent()
   {
      if (panel == null)
      {
         panel = new JPanel(){
            private static final long serialVersionUID = 1L;
            public void repaint()
            {
               getSpecificGUIComponent().repaint();
               super.repaint();
            }
         };
         panel.setLayout(new PercentLayout());

         JLabel label = new JLabel();
         label.setText(MultiMessages.get(key));
         PercentConstraints labelConstraints = new PercentConstraints(0, 0, 0.25, 1.0);
         panel.add(label, labelConstraints);
         
         JComponent fieldPanel = getSpecificGUIComponent();
         PercentConstraints fieldConstraints = new PercentConstraints(0, 0, 0, 1.0);
         fieldConstraints.setXReferent(label, Where.AFTER);
         fieldConstraints.setWReferent(label, Where.AFTER);
         panel.add(fieldPanel, fieldConstraints);
      }
      return panel;
   }

   protected abstract JComponent getSpecificGUIComponent();
}