import java.awt.*;

//import java.io.*;


class ParameterLong{

    private long value;

    // Small panel for the GUI containing Label and InputTextField
    private Panel panelWithInput;
    private TextField inputField;
    private String labelString;

    // PrintWriter printlog = new PrintWriter(System.out, true);


    ParameterLong(){
        labelString = new String();
	value = 0; 
    }

    ParameterLong( String labelStringIn, long valueIn ){
        labelString = new String();
        labelString = labelStringIn;
	value = valueIn; 
    }

    public void setValue( long valueIn ){
	value = valueIn; 
    }

    public long getValue(){
        return value;
    }

    public long getPanelOnGUI(){
        return value;
    }
   

    public Label ConstructLabelOnGUI () {
        //p controlPanel.add( new Label( "Initial Temp (K): ", Label.LEFT ) );
        Label label = new Label( labelString + ":", Label.LEFT );
        return label;
    }

    public Panel ConstructInputOnGUI ( int TextFieldWidth, Font fontInput ) {

	panelWithInput = new Panel();
        panelWithInput.setLayout( new FlowLayout(FlowLayout.LEFT, 4, 4) );
        //
        String ParamString = new String() ;
	ParamString = String.valueOf( value ) ;    //value=dTemp_0      
        inputField = new TextField( ParamString, TextFieldWidth ); // TextFieldWidth=6
        inputField.setFont( fontInput );
        //
        panelWithInput.add( inputField );
        //p controlPanel.add( panelWithInput ); 
        return panelWithInput;
    }

    /*
    public long getValueFromGUI () {
	String stringTotal, stringTrimmed ;
        double doubleHelp;
        long longHelp;

    	stringTotal = inputField.getText();
	stringTrimmed = stringTotal.trim();
	// try{
             doubleHelp = Double.valueOf( stringTrimmed ).doubleValue();
	// }
        longHelp = (long) doubleHelp;
        return longHelp;          
    }      
    */

    public void updateValueFromGUI ( ErrorHandle errorHandle ) 
    // throws NumberFormatException 
    {
	String stringTotal, stringTrimmed ;
        double doubleHelp = 0.0 ;
	//        String messageString = inputMessageString;

    	stringTotal = inputField.getText();
	stringTrimmed = stringTotal.trim();
	try{
	    doubleHelp = Double.valueOf( stringTrimmed ).doubleValue();
            value = (long) doubleHelp;
	    //printlog.println(" PL try: " + value );
	} 
        catch ( NumberFormatException nfException ) {
            String ParamString = new String() ;
	    ParamString = String.valueOf( value ) ;    
            inputField.setText( ParamString );

            // throw nfException;
	    //            messageString = "Invalid input format in field  \"" + labelString + "\""; 
	    errorHandle.setMessageString("Invalid input format in field  \"" 
                   + labelString + "\"" );
	    
	    //printlog.println(" PL catch: " + value );
        };
        //printlog.println(" PL danach: " + value );
	//        return messageString; 
    }      

}