Android Open Source - final_app Search Book Contents List Item

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The source code is released under:

CC0 1.0 Universal Statement of Purpose The laws of most jurisdictions throughout the world automatically confer exclusive Copyright and Related Rights (defined below) upon the creator and subsequent...

Java Source Code

/*
 * Copyright (C) 2008 ZXing authors// ww w.  jav a  2s.c  o m
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.zxing.client.android.book;

import java.util.Locale;

import android.content.Context;
import android.graphics.Typeface;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.StyleSpan;
import android.util.AttributeSet;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.google.zxing.client.android.R;

/**
 * A list item which displays the page number and snippet of this search result.
 * 
 * @author dswitkin@google.com (Daniel Switkin)
 */
public final class SearchBookContentsListItem extends LinearLayout {
  private TextView pageNumberView;
  private TextView snippetView;

  SearchBookContentsListItem(Context context) {
    super(context);
  }

  public SearchBookContentsListItem(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  @Override
  protected void onFinishInflate() {
    super.onFinishInflate();
    pageNumberView = (TextView) findViewById(R.id.page_number_view);
    snippetView = (TextView) findViewById(R.id.snippet_view);
  }

  public void set(SearchBookContentsResult result) {
    pageNumberView.setText(result.getPageNumber());
    String snippet = result.getSnippet();
    if (snippet.isEmpty()) {
      snippetView.setText("");
    } else {
      if (result.getValidSnippet()) {
        String lowerQuery = SearchBookContentsResult.getQuery().toLowerCase(Locale.getDefault());
        String lowerSnippet = snippet.toLowerCase(Locale.getDefault());
        Spannable styledSnippet = new SpannableString(snippet);
        StyleSpan boldSpan = new StyleSpan(Typeface.BOLD);
        int queryLength = lowerQuery.length();
        int offset = 0;
        while (true) {
          int pos = lowerSnippet.indexOf(lowerQuery, offset);
          if (pos < 0) {
            break;
          }
          styledSnippet.setSpan(boldSpan, pos, pos + queryLength, 0);
          offset = pos + queryLength;
        }
        snippetView.setText(styledSnippet);
      } else {
        // This may be an error message, so don't try to bold the query terms within it
        snippetView.setText(snippet);
      }
    }
  }
}

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