/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.bestray.healthcarecommonutil.util;

import com.bestray.healthcarecommonutil.vo.TMedicationMaster;
import java.awt.EventQueue;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.util.Vector;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JComboBox;
import javax.swing.JTextField;

/**
 *
 * @author user3
 */
public class AutoSuggestorMedication{
    public JTextField tf;
    public boolean hide_flag = false;
    public JComboBox jc1;
    public Vector lobj1;

    public AutoSuggestorMedication() {
        super();
    }
    
    public void suggesting(JComboBox jc, Vector lobj) {
        jc1=jc;
        lobj1=lobj;
       
        tf = (JTextField) jc.getEditor().getEditorComponent();
        
         tf.addKeyListener(new KeyAdapter() {
                public void keyTyped(KeyEvent e) {
               EventQueue.invokeLater(new Runnable() {
            public void run() {
                String text = tf.getText();
                        if(text.length()==0) {
                    jc1.hidePopup();
                    setModel(new DefaultComboBoxModel(lobj1), "");
                }else{
                    DefaultComboBoxModel m = getSuggestedModel(lobj1, text);
                    if(m.getSize()==0 || hide_flag) {
                          jc1.hidePopup();
                        hide_flag = false;
                    }else{
                        setModel(m, text);
                        jc1.showPopup();
                    }
                }
            }
        });
            }
                public void keyPressed(KeyEvent e) {
               String text = tf.getText();
         int code = e.getKeyCode();
             if(code==KeyEvent.VK_ENTER) {
                hide_flag = true; 
        }else if(code==KeyEvent.VK_ESCAPE) {
            hide_flag = true; 
        }else if(code==KeyEvent.VK_RIGHT) {
            for(int i=0;i<lobj1.size();i++) {
                String str = lobj1.elementAt(i).toString();
                if(str.startsWith(text)) {
                    jc1.setSelectedIndex(-1);
                    tf.setText(str);
                    return;
                }
            }
        }
            }
      });
         
         setModel(new DefaultComboBoxModel(lobj1), "");
        
    }
    
    
    private void setModel(DefaultComboBoxModel mdl, String str) {
        jc1.setModel(mdl);
        jc1.setSelectedIndex(-1);
        tf.setText(str);
    }
    private DefaultComboBoxModel getSuggestedModel(java.util.List<TMedicationMaster> list, String text) {
        DefaultComboBoxModel m = new DefaultComboBoxModel();
        for(TMedicationMaster s: list) {
            if(s.getMedicationName().startsWith(text.toUpperCase())) 
                m.addElement(s);
        }
        return m;
    }
}