package edu.jsu.leathrum.mathlets.shared;
import javax.swing.*;
import javax.swing.event.*;
import java.awt.event.*;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.Dimension;

public class InputSet extends JPanel implements FieldHandler, KeyHandler {
  JCheckBox check  = new JCheckBox();
  boolean checkshown = false;
  FormattedLabel name; 
  JTextField inputField; 
  FormattedLabel after = new FormattedLabel("");

private class CheckHandler implements FieldHandler {
  boolean def = false;

  public void setDefault(String dval) {
    def = dval.equalsIgnoreCase("true");
  }

  public void setToDefault() {
    setState(def);
  }

  public void setField(String val) {
    setState(val.equalsIgnoreCase("true"));
  }

  public String getField() {
    return (getState()?"true":"false");
  }
}

  private CheckHandler handle = null;

  public FieldHandler getCheckHandler() {
    if (checkshown && (handle==null)) handle = new CheckHandler();
    return handle;
  }

  private void init(String namestr, int size, boolean chbox, Color c) {
    this.setOpaque(false);
    name = new FormattedLabel(namestr);
    inputField = new JTextField(size);
    inputField.setText("");
    name.setForeground(c);
    setLayout(new FlowLayout());
    Box b = new Box(BoxLayout.X_AXIS);
    if (chbox) {
      checkshown = true;
      b.add(check);
      check.setOpaque(false);
    }
    b.add(name);
    inputField.setForeground(Color.black);
    b.add(inputField);
    b.add(after);
    add(b);
  }

  public InputSet(String namestr, int size, boolean chbox, Color c) {
    init(namestr, size, chbox, c);
  }

  public InputSet(String namestr, int size, boolean chbox) {
    init(namestr, size, chbox, Color.black);
  }

  public InputSet(String namestr, int size, Color c) {
    init(namestr, size, true, c);
  }

  public InputSet(String namestr, int size) {
    init(namestr, size, false, Color.black);
  }

  public void setName(String newName) {
    name.setText(newName);
    name.repaint();
  }

  public void setAfter(String newAfter) {
    after.setText(newAfter);
    after.repaint();
  }

  public void setState(boolean state) {
    check.setSelected(state);
  }

  public boolean getState() {
    return check.isSelected();
  }

  public void setDefaultState(boolean newdef) {
    getCheckHandler().setDefault((newdef?"true":"false"));
  }

  public JCheckBox getCheckBox() {
    return check;
  }

  public String getInput() {
    return inputField.getText();
  }

  public void setInputText(String text) {
    inputField.setText(text);
  }

  public void select(int start, int finish) {
    inputField.select(start, finish);
  }

  public void selectAll() {
    inputField.selectAll();
  }

  public void setColor(Color c) {
    name.setForeground(c);
  }

  public void addKeyListener(KeyListener c) {
    inputField.addKeyListener(c);
  }

  public boolean isKey(KeyEvent e) {
    return ((e.getSource()==inputField)&&(e.getKeyCode()==e.VK_ENTER));
  }

  public void doKeyAction(KeyEvent e) {
    setState(true);
  }

  public void requestFocus() {
    inputField.requestFocus(true); // temporary mode not generally recommended
    // but here needed to be sure parser errors properly indicated
  }

  private String def = "";

  public void setDefault(String dval) {
    def = dval;
  }
  
  public void setToDefault() {
    setInputText(def);
  }
  
  public void setField(String val) {
    setInputText(val);
  }
  
  public String getField() {
    return getInput();
  }
  
}