/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package jrex.ui;

import java.util.Collection;
import java.util.List;
import jrex.ui.model.SimpleListModel;

/**
 *
 * @author mark
 */
public class ColumnSelectionPanel extends javax.swing.JPanel {

   private final SimpleListModel modelLeft = new SimpleListModel();
   private final SimpleListModel modelRight = new SimpleListModel();

   /**
    * Creates new form ColumnSelectionPanel
    */
   public ColumnSelectionPanel() {
      initComponents();
      lstLeft.setModel(modelLeft);
      lstRight.setModel(modelRight);
   }

   public ColumnSelectionPanel(String rightLabel, Collection<Object> right) {
      this();
      modelRight.addAll(right);
   }

   public void setLeftContent(String leftLabel, Collection<Object> left) {
      lblLeft.setText(leftLabel);
      modelLeft.addAll(left);
   }

   public void setRightContent(String rightLabel, Collection<Object> right) {
      lblRight.setText(rightLabel);
      modelRight.addAll(right);
   }

   /**
    * This method is called from within the constructor to initialize the form.
    * WARNING: Do NOT modify this code. The content of this method is always
    * regenerated by the Form Editor.
    */
   @SuppressWarnings("unchecked")
   // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
   private void initComponents() {

      scrollLeft = new javax.swing.JScrollPane();
      lstLeft = new javax.swing.JList<>();
      lblLeft = new javax.swing.JLabel();
      scrollRight = new javax.swing.JScrollPane();
      lstRight = new javax.swing.JList<>();
      btnMoveRight = new javax.swing.JButton();
      btnMoveLeft = new javax.swing.JButton();
      lblRight = new javax.swing.JLabel();
      btnMoveAllRight = new javax.swing.JButton();

      scrollLeft.setViewportView(lstLeft);

      lblLeft.setText("left heading");

      scrollRight.setViewportView(lstRight);

      btnMoveRight.setText(">");
      btnMoveRight.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnMoveRightActionPerformed(evt);
         }
      });

      btnMoveLeft.setText("<");
      btnMoveLeft.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnMoveLeftActionPerformed(evt);
         }
      });

      lblRight.setText("right heading");

      btnMoveAllRight.setText(">>");
      btnMoveAllRight.addActionListener(new java.awt.event.ActionListener() {
         public void actionPerformed(java.awt.event.ActionEvent evt) {
            btnMoveAllRightActionPerformed(evt);
         }
      });

      javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
      this.setLayout(layout);
      layout.setHorizontalGroup(
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(layout.createSequentialGroup()
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addComponent(lblLeft, javax.swing.GroupLayout.PREFERRED_SIZE, 184, javax.swing.GroupLayout.PREFERRED_SIZE)
               .addComponent(scrollLeft, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addComponent(btnMoveRight, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
               .addComponent(btnMoveLeft, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
               .addComponent(btnMoveAllRight, javax.swing.GroupLayout.PREFERRED_SIZE, 55, javax.swing.GroupLayout.PREFERRED_SIZE))
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addComponent(lblRight, javax.swing.GroupLayout.PREFERRED_SIZE, 184, javax.swing.GroupLayout.PREFERRED_SIZE)
               .addComponent(scrollRight, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)))
      );

      layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {btnMoveAllRight, btnMoveLeft, btnMoveRight});

      layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {lblLeft, lblRight});

      layout.setVerticalGroup(
         layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
         .addGroup(layout.createSequentialGroup()
            .addContainerGap()
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
               .addComponent(lblLeft)
               .addComponent(lblRight))
            .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
               .addComponent(scrollLeft)
               .addGroup(layout.createSequentialGroup()
                  .addComponent(btnMoveRight)
                  .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                  .addComponent(btnMoveAllRight)
                  .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                  .addComponent(btnMoveLeft))
               .addComponent(scrollRight, javax.swing.GroupLayout.DEFAULT_SIZE, 265, Short.MAX_VALUE))
            .addContainerGap())
      );
   }// </editor-fold>//GEN-END:initComponents

   private void btnMoveRightActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnMoveRightActionPerformed
      if (lstLeft.isSelectionEmpty()) {
         return;
      }

      List selectedValuesList = lstLeft.getSelectedValuesList();
      for (Object selected : selectedValuesList) {
         modelRight.addElement(selected);
         modelLeft.removeElement(selected);
      }
   }//GEN-LAST:event_btnMoveRightActionPerformed

   private void btnMoveLeftActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnMoveLeftActionPerformed
      if (lstRight.isSelectionEmpty()) {
         return;
      }

      List selectedValuesList = lstRight.getSelectedValuesList();
      for (Object selected : selectedValuesList) {
         modelLeft.addElement(selected);
         modelRight.removeElement(selected);
      }
   }//GEN-LAST:event_btnMoveLeftActionPerformed

   private void btnMoveAllRightActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnMoveAllRightActionPerformed
      for (Object selected : modelLeft.getAll()) {
         modelRight.addElement(selected);
      }
      modelLeft.clear();
   }//GEN-LAST:event_btnMoveAllRightActionPerformed

   public Collection<Object> getLeftItems() {
      return modelLeft.getAll();
   }

   public Collection<Object> getRightItems() {
      return modelRight.getAll();
   }

   // Variables declaration - do not modify//GEN-BEGIN:variables
   private javax.swing.JButton btnMoveAllRight;
   private javax.swing.JButton btnMoveLeft;
   private javax.swing.JButton btnMoveRight;
   private javax.swing.JLabel lblLeft;
   private javax.swing.JLabel lblRight;
   private javax.swing.JList<String> lstLeft;
   private javax.swing.JList<String> lstRight;
   private javax.swing.JScrollPane scrollLeft;
   private javax.swing.JScrollPane scrollRight;
   // End of variables declaration//GEN-END:variables
}