Android Open Source - Note Note Adapter

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License

The source code is released under:

MIT License

Java Source Code

package com.bq.note;
// w  w w. j  a  v a  2s  .co  m
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;

import org.bq.app.NoteApplication;
import org.bq.db.Note;

import android.content.Context;
import android.database.Cursor;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CursorAdapter;

public class NoteAdapter extends CursorAdapter {
  private HashMap<Integer, Boolean> mSelectedIndex;
  private boolean mChoiceMode;

  public NoteAdapter(Context context, Cursor c, boolean autoRequery) {
    super(context, c, autoRequery);
    mSelectedIndex = new HashMap<Integer, Boolean>();
  }

  @Override
  public void bindView(View view, Context context, Cursor cursor) {
    if (view instanceof NotesListItem) {
      long id = cursor.getLong(0);
      Note data = NoteApplication.daoSession.getNoteDao().load(id);
      ((NotesListItem) view).bind(context, data, mChoiceMode,
          isSelectedItem(cursor.getPosition()));
    }
  }

  @Override
  public View newView(Context context, Cursor cursor, ViewGroup parent) {
    return new NotesListItem(context);
  }

  public void setChoiceMode(boolean mode) {
    mSelectedIndex.clear();
    mChoiceMode = mode;
  }

  public void setCheckedItem(final int position, final boolean checked) {
    mSelectedIndex.put(position, checked);
    notifyDataSetChanged();
  }

  public boolean isInChoiceMode() {
    return mChoiceMode;
  }

  public HashSet<Long> getSelectedItemIds() {
    HashSet<Long> itemSet = new HashSet<Long>();
    for (Integer position : mSelectedIndex.keySet()) {
      if (mSelectedIndex.get(position) == true) {
        Long id = getItemId(position);
        itemSet.add(id);
      }
    }
    return itemSet;
  }

  public int getSelectedCount() {
    Collection<Boolean> values = mSelectedIndex.values();
    if (null == values) {
      return 0;
    }
    Iterator<Boolean> iter = values.iterator();
    int count = 0;
    while (iter.hasNext()) {
      if (true == iter.next()) {
        count++;
      }
    }
    return count;
  }

  public boolean isSelectedItem(final int position) {
    if (null == mSelectedIndex.get(position)) {
      return false;
    }
    return mSelectedIndex.get(position);
  }

}

Java Source Code List

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