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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.bidi;
     18 
     19 import android.app.AlertDialog;
     20 import android.app.Fragment;
     21 import android.os.Bundle;
     22 import android.text.Editable;
     23 import android.text.Spannable;
     24 import android.text.style.ForegroundColorSpan;
     25 import android.view.LayoutInflater;
     26 import android.view.View;
     27 import android.view.ViewGroup;
     28 import android.widget.Button;
     29 import android.widget.EditText;
     30 
     31 public class BiDiTestBasic extends Fragment {
     32 
     33     private View currentView;
     34     private Button alertDialogButton;
     35     private String[] items = {"This is a very very very very very very very very very very very long Item1", "Item2"};
     36 
     37     @Override
     38     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     39             Bundle savedInstanceState) {
     40         currentView = inflater.inflate(R.layout.basic, container, false);
     41         return currentView;
     42     }
     43 
     44     @Override
     45     public void onViewCreated(View view, Bundle savedInstanceState) {
     46         super.onViewCreated(view, savedInstanceState);
     47 
     48         alertDialogButton = (Button) currentView.findViewById(R.id.button_alert_dialog);
     49         alertDialogButton.setOnClickListener(new View.OnClickListener() {
     50             public void onClick(View v) {
     51                 showDialog();
     52             }
     53         });
     54 
     55         useSpans();
     56     }
     57 
     58     private void showDialog() {
     59         AlertDialog.Builder builder = new AlertDialog.Builder(currentView.getContext());
     60         builder.setSingleChoiceItems(items, 0, null);
     61         builder.show();
     62     }
     63 
     64     private void useSpans() {
     65         EditText urlEdit = (EditText) currentView.findViewById(R.id.edittext_url);
     66         Editable url = urlEdit.getText();
     67         if (url.length() < 1) {
     68           return;
     69         }
     70 
     71         String urlString = url.toString();
     72         int urlLength = urlString.length();
     73         String domainAndRegistry = "amazon.co.uk";
     74 
     75         int startSchemeIndex = urlString.startsWith("https") ? 5 : 0;
     76         int startDomainIndex = urlString.indexOf(domainAndRegistry);
     77         if (startDomainIndex == -1) {
     78           assert false;
     79           return;
     80         }
     81         int stopIndex = startDomainIndex + domainAndRegistry.length();
     82 
     83         if (startDomainIndex != 0) {
     84           url.setSpan(new ForegroundColorSpan(0xfff00fff),
     85                   startSchemeIndex,
     86                   startDomainIndex,
     87                   Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
     88         }
     89 
     90         url.setSpan(new ForegroundColorSpan(0xff548aff),
     91                 startDomainIndex,
     92                 stopIndex,
     93                 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
     94 
     95         if (stopIndex < urlString.length()) {
     96           url.setSpan(new ForegroundColorSpan(0xfff00fff),
     97                   stopIndex,
     98                   urlLength,
     99                   Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    100         }
    101     }
    102 }
    103