readtextcanvas.java

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package x;

//import java.util.Vector;

import java.util.Vector;

import javax.microedition.lcdui.*;



public class readTextCanvas extends Canvas implements CommandListener
{
   public int width,height,fontHeight;
   public byte selectedItem=0;
   Font font=null;
   public String s;
   
  // public String[] strText;
  // public  int lineSpace;
   
 //  public int maxLine,curLine;
   
   public readTextCanvas(String body)
   {
	   width = getWidth();
	   height = getHeight();
	   font = Font.getDefaultFont();
	   fontHeight = font.getHeight();
	   this.setCommandListener(this);
       
//	   lineSpace=fontHeight+2;
//	   maxLine=width-6;
//	   curLine=0;
	   
	   
	   s=body;
	 //  strText=gtkBreakString(s,this.width*2/3);
	  
	 
   }

    public void paint(Graphics g)
    {
	   g.setColor(0,0,0);

	   g.fillRect(0,0,255,255);
	   g.setColor(255,255,255);
	   g.fillRect(50,50,50,50);
	 
    }

    public void keyPressed(int n)
    {
	    switch(this.getGameAction(n))
	    {
	 
	    	case Canvas.RIGHT:
	    		break;
	        case Canvas.LEFT:
		        break;
	        case Canvas.UP:
		        break;
	        case Canvas.DOWN:
	        	
	        	break;
	        case Canvas.FIRE:
		        break;

	     }
	     this.repaint();
    }
   
    public String[] gtkBreakString(String s, int maxWidth) {
		Vector temp = new Vector();

		int beginIndex = 0;
		int endIndex = 0;

		while (endIndex < s.length()) {
			beginIndex = endIndex;
			while (s.charAt(beginIndex) == '/') {
				beginIndex++;
			
			}

			endIndex = gtkBreakPoint(s, beginIndex, maxWidth);
			temp.addElement(s.substring(beginIndex, endIndex));

			if ((endIndex < s.length()) && (s.charAt(endIndex) == '/')) {
				endIndex++;
			}
		}

		String[] result = new String[temp.size()];

		for (int i = 0; i < result.length; i++) {
			result[i] = (String) (temp.elementAt(i));
	
		}

		return result;
	}
	private  int gtkBreakPoint(String s, int beginIndex, int maxWidth) {
			int result = beginIndex;
			int nextLine = s.indexOf('/', beginIndex);
			if(font.substringWidth(s, beginIndex, s.length()
					- beginIndex) > maxWidth){
				
				if(nextLine==-1){
					while(font.substringWidth(s, beginIndex, result
					- beginIndex)<maxWidth){
						result++;
					}
				}
				else if(font.substringWidth(s, beginIndex, nextLine
						- beginIndex)<maxWidth){
					result=nextLine;
				}
				else{
					while(font.substringWidth(s, beginIndex, result
							- beginIndex)<maxWidth){
								result++;
							}
				}
			}
			else{
				
				if(nextLine==-1){
					result=s.length();
				}
				else {
					result=nextLine;
				}
				
			}

			return result;
		}
	public void drawText(Graphics g)
	{
		
		int beginPosY=fontHeight;
//		for( int i=0;i<maxLine;i++){
//			if(curLine+i>=strText.length){
//				break;
//			}
//			g.drawString(strText[curLine+i],3,beginPosY+i*this.lineSpace,Graphics.TOP|Graphics.LEFT);
//		}
		
		
	}
	
	public void commandAction(Command arg0, Displayable arg1) 
	{
	 
	}
	
}