import java.awt.*;

public class MagControls extends Panel {
  MagPuz outerparent;
  Font control_font;
  Choice level;
  TextField number = new TextField(10);
  Button colors;
  ColorsWindow colors_window;
  Color fgcontrols, bgcontrols;
  
  String comments =
  "This is an Applet created by Michael W.S. Morton for the Math Forum. Any \n" +
  "pieces of code may be used only with consent of the Math Forum. The \n" +
  "instructions for this Magic Square are at: \n" +
  "http://mathforum.org/workshops/sum96/magic.squares.html \n" +
  "This Applet is still under construction, and I would appreciate any \n" +
  "comments/suggestions; please send to Suzanne Alejandre: \n"+
  "\t\tsuzanne@mathforum.org. \n"+
  "Enjoy.";
  
  MagControls(MagPuz target) {
    this.outerparent = target;
    
    //Setup Colors
    fgcontrols = Color.black;
    bgcontrols = Color.white;
    setBackground(bgcontrols);
    
    //Trying to set Font for Controls
    control_font = new Font("TimesRoman", Font.PLAIN, 20);
    
    //Setup Choice Menu
    level = new Choice();
    level.addItem("3");
    level.addItem("4");
    level.addItem("5");
    level.select("3");
    
    //Add Label + Choice Menu
    add(new Label("Level: ")); 
    add(level);
    
    //Setup Textfield 
    add(new Label("Number of Selected Box: "));
    add(number);
    
    //Setup Buttons
    colors = new Button("Show Colors Window");
    add(colors);
    
    //Setup Colors Window
    colors_window = new ColorsWindow(this);
    colors_window.resize(125,200);
    
    // Add comments
    add(new TextArea(comments,10,50));
    
  }
  
  //Handle Clicks.
  public boolean action(Event evt, Object arg) {
    if (evt.target instanceof Choice) {
      //Check if level is clicked, and call the update_level function
      //in the JamCan class.
      if (evt.target == level) {
	outerparent.magcan.update_level
	  ((level.getSelectedIndex()) + 3);
      }
    }
    if (evt.target instanceof TextField) {
      outerparent.magcan.update_number
	(Integer.parseInt(number.getText()));
    }
    if (evt.target instanceof Button) {
      if(evt.target == colors) {
	if(colors.getLabel().equals("Show Colors Window")) {
	  colors_window.show();
	  colors.setLabel("Hide Colors Window");
	}
	else if(colors.getLabel().equals
		("Hide Colors Window")) {
	  colors_window.hide();
	  colors.setLabel("Show Colors Window");
	} 			
      }	
    }
    return true;
  }
  
  void updatecolor(String choice, Color col) {
    if(choice.equals("fg"))
      fgcontrols = col;
    else if(choice.equals("bg"))
      bgcontrols = col;
    
    setBackground(bgcontrols);
    
    repaint();
  }	
}