package bluej.utility;

import java.awt.*;
import javax.swing.*;




| A multi-line Label-like Swing component. This class is similar to a
| MultiLineLabel, but it has a fixed numer of rows.
|
| @author Michael Kolling
|
public class FixedMultiLineLabel
extends MultiLineLabel{    
   protected JLabel[] labels;
   
   protected int rows;

   
   


| Constructor - make a multiline label
|
public FixedMultiLineLabel(String text, float alignment, int numRows)
   {
      super(null, alignment);
       
      rows = numRows;
       
      labels = new JLabel[rows];
       
      for (int i=0; i<rows; i++) {            
         labels[i] = new JLabel(" ");
         labels[i].setAlignmentX(alignment);
         add(labels[i]);         
         }
      addText(text);     
      }

   
   


| Constructor, defaults to left justified text
|
public FixedMultiLineLabel(String text, int numRows)
   {
      this(text, LEFT_ALIGNMENT, numRows);     
      }

   
   


| Constructor, empty with the given alignment
|
public FixedMultiLineLabel(float alignment, int numRows)
   {
      this(null, alignment, numRows);     
      }

   
   


| Constructor - make an empty multiline label
|
public FixedMultiLineLabel(int numRows)
   {
      this(null, LEFT_ALIGNMENT, numRows);     
      }

   
   @Override
   
   public void setText(String text)
   {
      addText(text);     
      }

   
   @Override
   
   public void addText(String text)
   {        
      int lines = 0;

      if (text != null) {
         String strs[] = Utility.splitLines(text);
         lines = (strs.length < rows ? strs.length : rows);
           
         Font font = new Font("SansSerif", fontAttributes, 12);

           
         for (int i = 0; i < lines; i++) {
            labels[i].setText((strs[i].length() == 0 ? " " : strs[i]));
            labels[i].setFont(font);             
            }         
         }

       
      for (int i = lines; i < rows; i++)
      labels[i].setText(" ");     
      } 
   }