Android Open Source - dejalist Categories List Cursor Adapter

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Back to project page dejalist.

License

The source code is released under:

Apache License

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Java Source Code

package com.luboganev.dejalist.ui;
/*from  w  w  w . ja v a2s . co m*/
import static nl.qbusict.cupboard.CupboardFactory.cupboard;
import butterknife.InjectView;
import butterknife.Views;

import com.luboganev.dejalist.R;
import com.luboganev.dejalist.data.DejalistContract.Categories;
import com.luboganev.dejalist.data.DejalistContract.Products;
import com.luboganev.dejalist.data.entities.Category;

import android.content.Context;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.database.MergeCursor;
import android.support.v4.widget.CursorAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

public class CategoriesListCursorAdapter extends CursorAdapter {
    private LayoutInflater mInflater;
  
  private static Cursor addCategoryNone(Cursor categories) {
    MatrixCursor mainNavigation = new MatrixCursor(new String[] {Categories._ID, Categories.CATEGORY_NAME, Categories.CATEGORY_COLOR});
    mainNavigation.addRow(new Object[]{Products.PRODUCT_CATEGORY_NONE_ID, "", -1});
    if(categories != null) return new MergeCursor(new Cursor[]{mainNavigation, categories});
    else return mainNavigation;
  }
  
  public CategoriesListCursorAdapter(Context context, int flags) {
    super(context, addCategoryNone(null), flags);
    mInflater = LayoutInflater.from(context);
  }
  
  @Override
  public Cursor swapCursor(Cursor categories) {
    //change cursor internally calls swap cursor, so extra 
    // values should be added only once during swap
    return super.swapCursor(addCategoryNone(categories));
  }
  
      
  @Override
  public void bindView(View view, Context context, Cursor cursor) {
    ViewHolder holder = (ViewHolder) view.getTag();
    Category category = cupboard().withCursor(cursor).get(Category.class);
    
    if(category._id == Products.PRODUCT_CATEGORY_NONE_ID) {
      holder.catColor.setBackgroundResource(R.drawable.no_category_color);
      holder.name.setText(R.string.category_none_name);
    }
    else {
      holder.catColor.setBackgroundColor(category.color);
      holder.name.setText(category.name);
    }
  }
  
  @Override
  public View newView(Context context, Cursor cursor, ViewGroup parent) {
      View view = mInflater.inflate(R.layout.list_item_category, parent, false);
      ViewHolder holder = new ViewHolder(view);
      view.setTag(holder);
      return view;
  }
  
  static class ViewHolder {
    @InjectView(R.id.tv_list_category_name) TextView name;
    @InjectView(R.id.v_list_category_color) View catColor;

    public ViewHolder(View view) {
      Views.inject(this, view);
    }
  }

}

Java Source Code List