Android Open Source - my-wallpaper Category Adapter

From Project

Back to project page my-wallpaper.
License

The source code is released under:
MIT License
If you think the Android project my-wallpaper listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

package com.koonen.photostream;
//from  w  w w .  j  a  v a2s .co m
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.koonen.photostream.dao.Category;
import com.koonen.photostream.dao.CategoryDAO;

/**
 * 
 * @author Glick
 * 
 */
public class CategoryAdapter extends BaseAdapter {

  private Context context;
  private CategoryDAO categoryDAO;
  private List<Category> categories = null;
  private Map<Integer, Category> categoriesMap = null;

  private static final int MAX_SHOWED_TAGS = 4;

  public CategoryAdapter(Context context) {
    super();
    this.context = context;
    categoryDAO = new CategoryDAO();

    addAll();
  }

  @Override
  public int getCount() {
    return categories.size();
  }

  @Override
  public Object getItem(int position) {
    return categories.get(position);
  }

  @Override
  public long getItemId(int position) {
    return categories.get(position).getId();
  }

  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    LayoutInflater inflator = (LayoutInflater) context
        .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    LinearLayout layout = (LinearLayout) inflator.inflate(
        R.layout.list_row, null);
    TextView categoryNameView = (TextView) layout
        .findViewById(R.id.category_item_name);
    TextView categoryTagsView = (TextView) layout
        .findViewById(R.id.category_item_tags);
    Category category = (Category) getItem(position);
    categoryNameView.setText(category.getName());
    String tags = category.getTags();
    if (tags != null && !"".equals(tags)) {
      String[] tagsArray = tags.split(" ");
      StringBuilder showedTags = new StringBuilder();
      for (int i = 0; (i < tagsArray.length && i < MAX_SHOWED_TAGS); i++) {
        String tag = tagsArray[i];
        showedTags.append(tag);
        if (i + 1 < MAX_SHOWED_TAGS && i + 1 < tagsArray.length) {
          showedTags.append(",");
        }
      }
      categoryTagsView.setText(showedTags.toString());
    }

    return layout;
  }

  public void add(Category category) {
    categoryDAO.insert(category);
    categories.add(category);
    categoriesMap.put(category.getId(), category);
    notifyDataSetChanged();
  }

  private void addAll() {
    categories = categoryDAO.selectAll();
    categoriesMap = new HashMap<Integer, Category>();
    for (Category category : categories) {
      categoriesMap.put(category.getId(), category);
    }
  }

  public void remove(Category category) {
    categoryDAO.delete(category.getId());
    categoriesMap.remove(category.getId());
    categories.remove(category);
    notifyDataSetChanged();
  }

  public void update(Category category) {
    categoryDAO.update(category);
    Category categoryOld = categoriesMap.get(category.getId());
    int index = categories.indexOf(categoryOld);
    categories.get(index).update(category);
    categoriesMap.put(category.getId(), category);
    notifyDataSetChanged();
  }

  public boolean isUnmodifiable(Category category) {
    return categoryDAO.isUnmodifiable(category);
  }

  public Category getCategoryByName(String name) {
    return categoryDAO.selectByCategoryName(name);
  }

  public boolean isExistCategory(Category category) {
    return categoryDAO.isExistCategory(category);
  }
}
Java Source Code List
