FeedCursorAdapter

package pwr.rss.reader.database.adapters

import android.content.Context
import android.database.Cursor
import android.support.v4.widget.SimpleCursorAdapter
import pwr.rss.reader.R
import pwr.rss.reader.database.tables.TableChannels.C_SITE
import pwr.rss.reader.database.tables.TableFeeds.C_ADDED_DATE
import pwr.rss.reader.database.tables.TableFeeds.C_IMAGE
import pwr.rss.reader.database.tables.TableFeeds.C_TITLE
import android.view.View
import android.view.ViewGroup
import android.view.LayoutInflater

class FeedCursorAdapter(context: Context, cursor: Cursor)
		extends SimpleCursorAdapter(
			context,
			R.layout.list_item,
			cursor,
			Array(C_TITLE, C_SITE, C_ADDED_DATE, C_IMAGE),
			Array(R.id.textViewFeedTitle, R.id.textViewChannelSite, R.id.textViewFeedDate, R.id.imageViewFeedImage),
			0) {

	setViewBinder(new FeedCursorViewBinder(context))
}

FeedCursorAdapter extends CursorAdapter

package pwr.rss.reader.database.adapters

import android.content.Context
import android.database.Cursor
import android.support.v4.widget.CursorAdapter
import android.view.ViewGroup
import android.view.View
import android.widget.ImageView
import android.widget.TextView
import android.view.LayoutInflater
import pwr.rss.reader.R
import pwr.rss.reader.utils.BitmapUtils
import android.graphics.BitmapFactory
import android.graphics.Color
import pwr.rss.reader.database.tables.TableChannels.C_SITE
import pwr.rss.reader.database.tables.TableFeeds.C_ADDED_DATE
import pwr.rss.reader.database.tables.TableFeeds.C_CHANNEL
import pwr.rss.reader.database.tables.TableFeeds.C_IMAGE
import pwr.rss.reader.database.tables.TableFeeds.C_READ
import pwr.rss.reader.database.tables.TableFeeds.C_TITLE
import pwr.rss.reader.views.ViewHelper._
import java.util.Date
import android.util.Log

class FeedCursorAdapter(context: Context, cursor: Cursor)
		extends CursorAdapter(context, cursor, 0) {

	implicit def int2bool(int: Int) = if (int == 1) true else false
	implicit def longDate2String(longDate: Long) = new Date(longDate).toLocaleString

	private lazy val bitmapUtils = new BitmapUtils(context)
	private lazy val inflater = LayoutInflater.from(context)

	private case class ViewHolder(
		feedTitle: TextView,
		channelSite: TextView,
		feedImage: ImageView,
		feedDate: TextView)

	override def newView(context: Context, cursor: Cursor, parent: ViewGroup) =
		inflater.inflate(R.layout.list_item, parent, false)

	override def bindView(view: View, context: Context, cursor: Cursor) = {
			def getColumnIndex(columnName: String) = cursor.getColumnIndex(columnName)

		val indexTitle = getColumnIndex(C_TITLE)
		val indexRead = getColumnIndex(C_READ)
		val indexDate = getColumnIndex(C_ADDED_DATE)
		val indexImage = getColumnIndex(C_IMAGE)
		val indexSite = getColumnIndex(C_SITE)

			def setTextAndColor(index: Int, textView: TextView) = {
				val text = cursor.getString(index)
				textView.setTextColor(getTextColor)
				textView.setText(text)
				true
			}

			def getTextColor = {
				val isRead: Boolean = cursor.getInt(indexRead)
				if (isRead) Color.GRAY
				else Color.BLACK
			}

		var tag = view.getTag().asInstanceOf[ViewHolder]
		if (tag == null) {
			val textViewFeedTitle = findView[TextView](view, R.id.textViewFeedTitle)
			val textViewChannelSite = findView[TextView](view, R.id.textViewChannelSite)
			val imageViewFeedImage = findView[ImageView](view, R.id.imageViewFeedImage)
			val textViewFeedDate = findView[TextView](view, R.id.textViewFeedDate)
			tag = new ViewHolder(textViewFeedTitle, textViewChannelSite, imageViewFeedImage, textViewFeedDate)
			view.setTag(tag)
		}

		setTextAndColor(indexTitle, tag.feedTitle)
		setTextAndColor(indexSite, tag.channelSite)

		val imageId: Int = cursor.getInt(indexImage)
		val imageFromFile = bitmapUtils.readBitmapForFeed(imageId)
		val feedImage =
			if (imageFromFile != null) imageFromFile
			else BitmapFactory.decodeResource(context.getResources, imageId)
		tag.feedImage.setImageBitmap(feedImage)

		val dateLong = cursor.getLong(indexDate)
		tag.feedDate.setText(dateLong)
	}

	override def getViewTypeCount = 1000
	override def getItemViewType(position: Int) = position
}

FeedCursorViewBinder

package pwr.rss.reader.database.adapters

import android.graphics.BitmapFactory
import android.widget.ImageView
import pwr.rss.reader.utils.BitmapUtils
import android.graphics.Color
import android.widget.TextView
import android.database.Cursor
import android.view.View
import java.util.Date
import android.support.v4.widget.SimpleCursorAdapter
import android.content.Context

import pwr.rss.reader.database.tables.TableChannels.C_SITE
import pwr.rss.reader.database.tables.TableFeeds.C_ADDED_DATE
import pwr.rss.reader.database.tables.TableFeeds.C_CHANNEL
import pwr.rss.reader.database.tables.TableFeeds.C_IMAGE
import pwr.rss.reader.database.tables.TableFeeds.C_READ
import pwr.rss.reader.database.tables.TableFeeds.C_TITLE

class FeedCursorViewBinder(context: Context) extends SimpleCursorAdapter.ViewBinder {
	implicit def int2bool(int: Int) = if (int == 1) true else false
	implicit def longDate2String(longDate: Long) = new Date(longDate).toLocaleString

	private lazy val bitmapUtils = new BitmapUtils(context)

	override def setViewValue(view: View, cursor: Cursor, columnIndex: Int) = {
			/**
			  * Get columns indexes from cursor
			  */
			def getColumnIndex(columnName: String) = cursor.getColumnIndex(columnName)
		val indexTitle = getColumnIndex(C_TITLE)
		val indexRead = getColumnIndex(C_READ)
		val indexDate = getColumnIndex(C_ADDED_DATE)
		val indexImage = getColumnIndex(C_IMAGE)
		val indexChannel = getColumnIndex(C_CHANNEL)
		val indexSite = getColumnIndex(C_SITE)

			def setTextAndColor(index: Int) = {
				val text = cursor.getString(index)
				val textView = view.asInstanceOf[TextView]
				textView.setTextColor(getTextColor)
				textView.setText(text)
				true
			}

			def getTextColor = {
				val isRead: Boolean = cursor.getInt(indexRead)
				if (isRead) Color.GRAY
				else Color.BLACK
			}

		columnIndex match {
			case `indexTitle` | `indexSite` => setTextAndColor(columnIndex)

			case `indexImage` => {
				val imageId: Int = cursor.getInt(indexImage)
				val imageFromFile = bitmapUtils.readBitmapForFeed(imageId)
				val feedImage =
					if (imageFromFile != null) imageFromFile
					else BitmapFactory.decodeResource(context.getResources, imageId)
				val imageViewFeedImage = view.asInstanceOf[ImageView]
				imageViewFeedImage.setImageBitmap(feedImage)
				true
			}

			case `indexDate` => {
				val dateLong = cursor.getLong(indexDate)
				val textViewFeedDate = view.asInstanceOf[TextView]
				textViewFeedDate.setText(dateLong)
				true
			}

			case _ => false
		}
	}
}