package bluej.views;

import bluej.utility.Utility;
import threadchecker.OnThread;
import threadchecker.Tag;

import java.util.*;




| Comment class - the source information associated with a class or field
|
| @author Michael Cahill
|
public final class Comment
{       
private String target;  
   private String text;
   
   private String paramnames[];

   
   public void load(Properties p, String prefix)
   {
      target = p.getProperty(prefix + ".target", "<no target>");
      text = p.getProperty(prefix + ".text");

      String paramnamestring = p.getProperty(prefix + ".params");

      if (paramnamestring != null) {            
         StringTokenizer st = new StringTokenizer(paramnamestring, " ");

           
         paramnames = new String[st.countTokens()];
           
         int i = 0;
         while (st.hasMoreTokens()) {
            paramnames[i] = st.nextToken();
               
            i++;             
            }         
         }     
      }

   
   public String getTarget()
   {        
      return target;     
      }

   
   public String getText()
   {        
      return text;     
      }

   
   public String getParamName(int i)
   {
      if (paramnames != null) {
         if (i >= 0 && i < paramnames.length)
               
         return paramnames[i];         
         }
       
      return null;     
      }

   
   public int getParamCount()
   {
      if (paramnames != null)
           
      return paramnames.length;
       
      return 0;     
      }
    
   
   public String[] getParamNames()
   {
      if (paramnames == null)
           
      return null;
        
      return (String[]) paramnames.clone();     
      }

   @OnThread(Tag.FXPlatform)
   
   public void print(FormattedPrintWriter out)
   {
      print(out, 0);     
      }

   @OnThread(Tag.FXPlatform)
   
   public void print(FormattedPrintWriter out, int indents)
   {
      out.setBold(false);
      out.setItalic(true);
      if (text != null) {
         String[] lines = Utility.splitLines(text);

           
         
         for (int i = 0; i < lines.length; i++)
         lines[i] = lines[i].trim(); 

           
         
         int first = 0;
         while (first<lines.length && lines[first].length() == 0)
                {first++;
            }
         int last = lines.length - 1;
         while (last>=0 && lines[last].length() == 0)
                {last--;
            }

           
         
         for (int i = first; i<=last; i++) {                 
            for (int j=0; j<indents; j++)
            out.indentLine(); 
            out.println("// " + lines[i]);              
            }          
         }      
      } 
    
   
   public String toString()   
      return text;     
      } 
   }