MessageTranslate.java

package com.sogouchat.smsmms;

import java.util.regex.MatchResult;
import java.util.regex.Matcher;
import java.util.regex.Pattern;


import android.R.integer;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ClickableSpan;
import android.text.style.ImageSpan;
import android.view.View;
import android.widget.Toast;

public class MessageTranslate {
	private final static String STR_MARK ="(\\[)[^\\]]*(\\])";
	public static SpannableString Trans(Context context,String str){
		SpannableString ss = new SpannableString(str);  
		MarkRecorder markrecorder = new MarkRecorder();
		FindMark(str, markrecorder);
		
		for (MarkItem item:markrecorder.listItems) {
			Drawable d = PicCatch.GetI().Get(item);
			if (d!=null) {
				d.setBounds(0,0,d.getIntrinsicWidth(),d.getIntrinsicHeight());
				ImageSpan span = new ImageSpan(d,ImageSpan.ALIGN_BASELINE);
				ss.setSpan(span, item.nStart, item.nEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
				ss.setSpan(typeClick(d,context), item.nStart, item.nEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
			}
		
		}
		
		return ss;
	}
	private static ClickableSpan typeClick(final Drawable drawable,final Context context) {

			return new ClickableSpan() {
				@Override
				public void onClick(View widget) {
					// TODO Auto-generated method stub
					new AlertDialog.Builder(context)
					.setIcon(drawable)
					.setTitle("pic")
					.create().show();
					
				}
	
			};
	}
	private static void FindMark(String str,MarkRecorder markRecorder){
		Pattern pattern;
		Matcher matcher;
		pattern = Pattern.compile(STR_MARK);
		matcher = pattern.matcher(str);
		int nStart = 0;
		int nEnd = 0;
		int nLength  = str.length();
		String strResult;
		while(matcher.find(nStart)) {
			MatchResult mResult = matcher.toMatchResult();
				strResult =mResult.group(0);
				nStart = matcher.start();
				nEnd = matcher.end();
				markRecorder.addItem(nStart,nEnd,strResult);
				nStart = nEnd;
				if (nStart>nLength) {
					break;
				}


		}
	}
}