Archived
Canteen adapter now tells the user when no offers are available for a given day
This commit is contained in:
denizk0461
@@ -4,6 +4,7 @@ import android.view.LayoutInflater
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import android.view.ViewGroup
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import androidx.appcompat.content.res.AppCompatResources
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import androidx.recyclerview.widget.RecyclerView
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import com.denizk0461.studip.R
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import com.denizk0461.studip.databinding.ItemCanteenBinding
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import com.denizk0461.studip.databinding.ItemCanteenLineBinding
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import com.denizk0461.studip.databinding.ItemIconBinding
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@@ -44,68 +45,102 @@ class CanteenOfferItemAdapter(
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// Returns the amount of offers for a given canteen and day
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override fun getItemCount(): Int = offers.size
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// TODO inflate a view saying "no events" if none are available for a given day
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override fun onBindViewHolder(holder: OfferViewHolder, position: Int) {
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// Retrieve item for current position
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val currentItem = offers[position]
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// Set category text / header of the item
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holder.binding.textCategory.text = currentItem.category
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// If an item has been added to mark that there are no offers available, tell the user
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if (currentItem.category == "NO\$ITEMS") {
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// Create a new view (line) for each item displayed within one category
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currentItem.offers.forEach { offer ->
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// Inflate the new line without binding it to the line container
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// Set the text to "No offers" (localised)
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holder.binding.textCategory.text =
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holder.binding.root.context.getString(R.string.canteen_no_offer_header)
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// Inflate a single line without binding it to the line container
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val line = ItemCanteenLineBinding.inflate(
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LayoutInflater.from(holder.binding.root.context),
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)
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// Set text values
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line.textContent.text = offer.title.addAllergenNotice(displayAllergens, offer.allergens)
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line.textPrice.text = offer.price
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// Set content to tell the user that no offers are available (localised)
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line.textContent.text =
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holder.binding.root.context.getString(R.string.canteen_no_offer_desc)
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/*
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* Check which dietary preferences are met by this item. This is used to set visual
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* icons on each line. Example: a leaf on vegan items.
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*/
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val indices = arrayListOf<Int>()
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offer.dietaryPreferences.filterIndexed { index, char ->
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if (char == 't') {
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indices.add(index)
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true
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} else false
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}
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// Inflate a new icon holder
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val img = ItemIconBinding.inflate(LayoutInflater.from(holder.binding.root.context))
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// If no dietary preferences are met, set the view to display a neutral icon
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if (indices.isEmpty()) indices.add(10)
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// Iterate through all icons that need to be displayed
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indices.forEach { index ->
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// Inflate a new icon holder
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val img = ItemIconBinding.inflate(LayoutInflater.from(holder.binding.root.context))
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// Set the appropriate icon
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img.imageView.setImageDrawable(
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AppCompatResources.getDrawable(
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holder.binding.root.context,
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DietaryPreferences.indexToDrawable[index]!!,
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)
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// Set a cross icon
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img.imageView.setImageDrawable(
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AppCompatResources.getDrawable(
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holder.binding.root.context,
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DietaryPreferences.indexToDrawable[11]!!,
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)
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)
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// Bind the new icon to the line view
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line.imageViewContainer.addView(img.root)
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}
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// Bind the new icon to the line view
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line.imageViewContainer.addView(img.root)
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// Set up single click listener
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line.root.setOnClickListener {
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onClickListener.onClick(offer, currentItem.category)
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}
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// Set up long press listener
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line.root.setOnLongClickListener {
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onClickListener.onLongClick(offer)
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}
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// Bind the new line to the line container
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holder.binding.lineContainer.addView(line.root)
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} else { // Proceed normally if items are available
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// Set category text / header of the item
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holder.binding.textCategory.text = currentItem.category
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// Create a new view (line) for each item displayed within one category
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currentItem.offers.forEach { offer ->
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// Inflate the new line without binding it to the line container
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val line = ItemCanteenLineBinding.inflate(
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LayoutInflater.from(holder.binding.root.context),
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)
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// Set text values
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line.textContent.text = offer.title.addAllergenNotice(displayAllergens, offer.allergens)
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line.textPrice.text = offer.price
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/*
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* Check which dietary preferences are met by this item. This is used to set visual
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* icons on each line. Example: a leaf on vegan items.
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*/
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val indices = arrayListOf<Int>()
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offer.dietaryPreferences.filterIndexed { index, char ->
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if (char == 't') {
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indices.add(index)
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true
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} else false
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}
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// If no dietary preferences are met, set the view to display a neutral icon
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if (indices.isEmpty()) indices.add(10)
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// Iterate through all icons that need to be displayed
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indices.forEach { index ->
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// Inflate a new icon holder
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val img = ItemIconBinding.inflate(LayoutInflater.from(holder.binding.root.context))
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// Set the appropriate icon
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img.imageView.setImageDrawable(
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AppCompatResources.getDrawable(
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holder.binding.root.context,
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DietaryPreferences.indexToDrawable[index]!!,
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)
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)
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// Bind the new icon to the line view
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line.imageViewContainer.addView(img.root)
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}
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// Set up single click listener
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line.root.setOnClickListener {
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onClickListener.onClick(offer, currentItem.category)
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}
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// Set up long press listener
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line.root.setOnLongClickListener {
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onClickListener.onLongClick(offer)
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}
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// Bind the new line to the line container
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holder.binding.lineContainer.addView(line.root)
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}
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}
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}
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