Configure bottom pagination navigation for questionnaire long scroll

google · Sep 15, 2023 · 71e1856 · 71e1856
1 parent d639b63
commit 71e1856
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Showing 9 changed files with 520 additions and 161 deletions.
diff --git a/datacapture/src/main/java/com/google/android/fhir/datacapture/QuestionnaireAdapterItem.kt b/datacapture/src/main/java/com/google/android/fhir/datacapture/QuestionnaireAdapterItem.kt
@@ -22,4 +22,7 @@ import com.google.android.fhir.datacapture.views.QuestionnaireViewItem
 internal sealed interface QuestionnaireAdapterItem {
   /** A row for a question in a Questionnaire RecyclerView. */
   data class Question(val item: QuestionnaireViewItem) : QuestionnaireAdapterItem
+
+  data class Navigation(val questionnairePageNavigationState: QuestionnairePageNavigationState) :
+    QuestionnaireAdapterItem
 }
diff --git a/datacapture/src/main/java/com/google/android/fhir/datacapture/QuestionnaireEditAdapter.kt b/datacapture/src/main/java/com/google/android/fhir/datacapture/QuestionnaireEditAdapter.kt
@@ -16,11 +16,14 @@
 
 package com.google.android.fhir.datacapture
 
+import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.ListAdapter
+import androidx.recyclerview.widget.RecyclerView
 import com.google.android.fhir.datacapture.contrib.views.PhoneNumberViewHolderFactory
 import com.google.android.fhir.datacapture.extensions.itemControl
+import com.google.android.fhir.datacapture.views.NavigationViewHolder
 import com.google.android.fhir.datacapture.views.QuestionnaireViewItem
 import com.google.android.fhir.datacapture.views.factories.AttachmentViewHolderFactory
 import com.google.android.fhir.datacapture.views.factories.AutoCompleteViewHolderFactory
@@ -46,16 +49,21 @@ internal class QuestionnaireEditAdapter(
   private val questionnaireItemViewHolderMatchers:
     List<QuestionnaireFragment.QuestionnaireItemViewHolderFactoryMatcher> =
     emptyList(),
-) : ListAdapter<QuestionnaireAdapterItem, QuestionnaireItemViewHolder>(DiffCallbacks.ITEMS) {
+) : ListAdapter<QuestionnaireAdapterItem, RecyclerView.ViewHolder>(DiffCallbacks.ITEMS) {
   /**
    * @param viewType the integer value of the [QuestionnaireViewHolderType] used to render the
-   * [QuestionnaireViewItem].
+   *   [QuestionnaireViewItem].
    */
-  override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): QuestionnaireItemViewHolder {
+  override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
     val typedViewType = ViewType.parse(viewType)
     val subtype = typedViewType.subtype
     return when (typedViewType.type) {
       ViewType.Type.QUESTION -> onCreateViewHolderQuestion(parent = parent, subtype = subtype)
+      ViewType.Type.NAVIGATION ->
+        NavigationViewHolder(
+          LayoutInflater.from(parent.context)
+            .inflate(R.layout.pagination_navigation_view, parent, false),
+        )
     }
   }
 
@@ -69,9 +77,11 @@ internal class QuestionnaireEditAdapter(
     }
 
     // Map custom widget viewTypes to their corresponding widget factories
-    if (subtype >= numOfCanonicalWidgets)
+    if (subtype >= numOfCanonicalWidgets) {
       return questionnaireItemViewHolderMatchers[subtype - numOfCanonicalWidgets]
-        .factory.create(parent)
+        .factory
+        .create(parent)
+    }
 
     val viewHolderFactory =
       when (QuestionnaireViewHolderType.fromInt(subtype)) {
@@ -97,11 +107,16 @@ internal class QuestionnaireEditAdapter(
     return viewHolderFactory.create(parent)
   }
 
-  override fun onBindViewHolder(holder: QuestionnaireItemViewHolder, position: Int) {
+  override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
     when (val item = getItem(position)) {
       is QuestionnaireAdapterItem.Question -> {
+        holder as QuestionnaireItemViewHolder
         holder.bind(item.item)
       }
+      is QuestionnaireAdapterItem.Navigation -> {
+        holder as NavigationViewHolder
+        holder.bind(item.questionnairePageNavigationState)
+      }
     }
   }
 
@@ -118,6 +133,10 @@ internal class QuestionnaireEditAdapter(
         type = ViewType.Type.QUESTION
         subtype = getItemViewTypeForQuestion(item.item)
       }
+      is QuestionnaireAdapterItem.Navigation -> {
+        type = ViewType.Type.NAVIGATION
+        subtype = 0xFFFFFF
+      }
     }
     return ViewType.from(type = type, subtype = subtype).viewType
   }
@@ -136,6 +155,7 @@ internal class QuestionnaireEditAdapter(
   internal value class ViewType(val viewType: Int) {
     val subtype: Int
       get() = viewType and 0xFFFFFF
+
     val type: Type
       get() = Type.values()[viewType shr 24]
 
@@ -147,6 +167,7 @@ internal class QuestionnaireEditAdapter(
 
     enum class Type {
       QUESTION,
+      NAVIGATION,
     }
   }
 
@@ -258,6 +279,7 @@ internal object DiffCallbacks {
             newItem is QuestionnaireAdapterItem.Question &&
               QUESTIONS.areItemsTheSame(oldItem, newItem)
           }
+          is QuestionnaireAdapterItem.Navigation -> newItem is QuestionnaireAdapterItem.Navigation
         }
 
       override fun areContentsTheSame(
@@ -269,6 +291,10 @@ internal object DiffCallbacks {
             newItem is QuestionnaireAdapterItem.Question &&
               QUESTIONS.areContentsTheSame(oldItem, newItem)
           }
+          is QuestionnaireAdapterItem.Navigation -> {
+            newItem is QuestionnaireAdapterItem.Navigation &&
+              oldItem.questionnairePageNavigationState == newItem.questionnairePageNavigationState
+          }
         }
     }