com.accia77.mockey.adapters.ManageEntriesCustomCursorAdapter.java Source code

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Here is the source code for com.accia77.mockey.adapters.ManageEntriesCustomCursorAdapter.java

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/*
 * Copyright (C) 2014 fraben 
 *
 * 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.
 */

//Based on:
//http://www.gustekdev.com/2013/05/custom-cursoradapter-and-why-not-use.html
package com.accia77.mockey.adapters;

import com.accia77.mockey.MyApplication;
import com.accia77.mockey.R;
import com.accia77.mockey.data.EntriesDataSource;
import com.accia77.mockey.data.MySQLiteHelper;
import com.accia77.mockey.model.Entry;

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

public class ManageEntriesCustomCursorAdapter extends CursorAdapter {

    private LayoutInflater mInflater;

    public ManageEntriesCustomCursorAdapter(Context context, Cursor c, int flags) {
        super(context, c, flags);
        mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    /*
     * CursorAdapter won't call the newView each time it needs a new row; if it
     * already has a View, it will call the bindView, so the created view is
     * actually reused. Thus, there's no need to use a ViewHolder in this case.
     * 
     * private class ViewHolder {
     * 
     * ImageView imageView; // TextView txtTitle; TextView txtDesc;
     * 
     * }
     */

    /*
     * newView method is called to create a View object representing on item in
     * the list, here You just create an object don't set any values.
     * 
     * The View returned from newView is passed as first parameter to bindView,
     * it is there where You will set values to display.
     */
    @Override
    public View newView(Context context, Cursor cursor, ViewGroup parent) {
        // LayoutInflater creates a view based on xml structure in resource file
        // passed to inflate method as first parameter.
        return mInflater.inflate(R.layout.manage_entries_list_row, parent, false);
    }

    /*
     * The View returned from newView is passed as first parameter to bindView,
     * it is here where You will set values to display.
     * 
     * Worth mentioning is that bindView is called for each element when it has
     * to be displayed but newView is not. Android is reusing view objects of
     * items that are not visible any more and populate pass them to bindView to
     * populate with data from cursor to be displayed. Thanks to that ListView
     * doesn't consume so much memory and works nicely without crating lots of
     * unnecessary objects.
     */
    @Override
    public void bindView(View view, Context context, Cursor cursor) {
        final Entry entry = EntriesDataSource.cursorToEntry(cursor);

        TextView txtDesc = (TextView) view.findViewById(R.id.desc);
        // holder.txtTitle = (TextView)
        // convertView.findViewById(R.id.title);
        ImageView imageView = (ImageView) view.findViewById(R.id.icon);

        txtDesc.setText(entry.getUserEditedEntry());

        //iconId defaults to ic_action_edit
        int iconId = R.drawable.ic_action_edit;
        // if(entry.getEntryType() == MySQLiteHelper.ENTRY_TYPE_PURE_TEXT)
        // iconId = R.drawable.ic_action_edit;
        if (entry.getEntryType() == MySQLiteHelper.ENTRY_TYPE_AUDIO)
            iconId = R.drawable.ic_action_microphone;

        //NOTE: PHOTO and VIDEO not supported yet
        if (entry.getEntryType() == MySQLiteHelper.ENTRY_TYPE_PHOTO)
            iconId = R.drawable.ic_action_photo;
        if (entry.getEntryType() == MySQLiteHelper.ENTRY_TYPE_VIDEO)
            iconId = R.drawable.ic_action_video;

        imageView.setImageResource(iconId);
        imageView.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                //No playback if the sdcard is not mounted
                if (MyApplication.getInstance().isSdCardMounted(false)) {
                    MyApplication.getInstance().playSelection(entry);
                }
            }
        });
    }

}