/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/*
 * AllowedModeChooser.java
 *
 * Created on Feb 12, 2010, 6:28:34 AM
 */

package usda.weru.weps.location.chooser;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import javax.swing.JCheckBox;
import javax.swing.event.EventListenerList;
import org.apache.log4j.Logger;
import usda.weru.weps.location.StationMode;

/**
 *
 * @author Joseph Levin <joelevin@weru.ksu.edu>
 */
public class AllowedStationModeChooser extends javax.swing.JPanel implements FocusListener, ActionListener{
    private static final Logger LOGGER = Logger.getLogger(AllowedStationModeChooser.class);
    
    private Map<StationMode, JCheckBox> c_checkBoxes;

    private StationMode[] c_ignore;

    private EventListenerList c_listeners;

    /** Creates new form AllowedModeChooser */
    public AllowedStationModeChooser() {
        c_listeners = new EventListenerList();
        initComponents();
        initOptions();
    }

    private void initOptions(){
        c_checkBoxes = new HashMap<StationMode, JCheckBox>();

        for(StationMode mode : StationMode.values()){
            if(isIgnored(mode)){
                continue;
            }

            JCheckBox box = new JCheckBox(mode.getDisplayName());
            box.addFocusListener(this);
            box.addActionListener(this);
            box.setFont(getFont());
            
            c_checkBoxes.put(mode, box);
            add(box);
        }


    }

    public void setIgnore(StationMode... modes){
        c_ignore = modes;

        for(Map.Entry<StationMode, JCheckBox> entry : c_checkBoxes.entrySet()){                        
            entry.getValue().setVisible(!isIgnored(entry.getKey()));
        }
    }

    public StationMode[] getIgnore(){
        return c_ignore;
    }

    private boolean isIgnored(StationMode mode){
        if(c_ignore == null){
            return false;
        }
        for(StationMode ignored : c_ignore){
            if(mode == ignored){
                return true;
            }
        }

        return false;
    }

    /** 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() {

        setFont(getFont().deriveFont(getFont().getStyle() & ~java.awt.Font.BOLD));
        setLayout(new javax.swing.BoxLayout(this, javax.swing.BoxLayout.Y_AXIS));
    }// </editor-fold>//GEN-END:initComponents

    @Override
    public void actionPerformed(ActionEvent e) {
        e = new ActionEvent(this, e.getID(), e.getActionCommand());
        for(ActionListener l : c_listeners.getListeners(ActionListener.class)){
            l.actionPerformed(e);
        }
    }

    public void addActionListener(ActionListener l){
        c_listeners.add(ActionListener.class, l);
    }

    public void removeActionListener(ActionListener l){
        c_listeners.remove(ActionListener.class, l);
    }

    @Override
    public void focusGained(FocusEvent e) {
        e = new FocusEvent(this, e.getID());
        processFocusEvent(e);
    }

    @Override
    public void focusLost(FocusEvent e) {
        e = new FocusEvent(this, e.getID());
        processFocusEvent(e);
    }

    public StationMode[] getSelectedModes(){
        List<StationMode> modes = new LinkedList<StationMode>();

        for(Map.Entry<StationMode, JCheckBox> entry : c_checkBoxes.entrySet()){
            if(entry.getValue().isSelected()){
                modes.add(entry.getKey());
            }
        }

        return modes.toArray(new StationMode[modes.size()]);
    }

    public void setSelectedModes(StationMode[] modes){
        clearSelections();
        if(modes == null){
            return;
        }
        for(StationMode mode : modes){
            c_checkBoxes.get(mode).setSelected(true);
        }
    }

    private void clearSelections(){
        for(JCheckBox box : c_checkBoxes.values()){
            box.setSelected(false);
        }
    }

    public String serializeSelectedModes(){
        StringBuffer buffer = null;
        for(StationMode mode : getSelectedModes()){
            if(isIgnored(mode)){
                continue;
            }
            if(buffer == null){
                buffer = new StringBuffer(mode.getName());
            }
            else{
                buffer.append(",");
                buffer.append(mode.getName());                
            }

        }

        return buffer != null ? buffer.toString() : "";
    }

    public void deserializeSelectedModes(String modes){
        clearSelections();
        String[] parts = modes.split(",");
        for(String part : parts){
            part = part.trim();
            try{
                StationMode mode = StationMode.parse(part);
                if(!isIgnored(mode)){
                    c_checkBoxes.get(mode).setSelected(true);
                }
            }
            catch(Exception e){
                LOGGER.warn("Unable to parse station mode: " + part);
            }
        }
    }

    @Override
    public void setEnabled(boolean enabled) {
        super.setEnabled(enabled);
        for(JCheckBox box : c_checkBoxes.values()){
            box.setEnabled(enabled);
        }
    }


    


    // Variables declaration - do not modify//GEN-BEGIN:variables
    // End of variables declaration//GEN-END:variables

}