Added Support for optionExclusive Extension in Popup

datacapture/src/androidTest/java/com/google/android/fhir/datacapture/test/views/QuestionnaireItemDialogMultiSelectViewHolderFactoryEspressoTest.kt

@@ -35,6 +35,7 @@ import com.google.android.fhir.datacapture.R
 import com.google.android.fhir.datacapture.extensions.DisplayItemControlType
 import com.google.android.fhir.datacapture.extensions.EXTENSION_ITEM_CONTROL_SYSTEM
 import com.google.android.fhir.datacapture.extensions.EXTENSION_ITEM_CONTROL_URL
+import com.google.android.fhir.datacapture.extensions.EXTENSION_OPTION_EXCLUSIVE_URL
 import com.google.android.fhir.datacapture.extensions.ItemControlTypes
 import com.google.android.fhir.datacapture.test.TestActivity
 import com.google.android.fhir.datacapture.test.utilities.assertQuestionnaireResponseAtIndex
@@ -52,6 +53,7 @@ import com.google.android.material.textfield.TextInputLayout
 import com.google.common.truth.StringSubject
 import com.google.common.truth.Truth.assertThat
 import org.hamcrest.Matchers.not
+import org.hl7.fhir.r4.model.BooleanType
 import org.hl7.fhir.r4.model.CodeableConcept
 import org.hl7.fhir.r4.model.Coding
 import org.hl7.fhir.r4.model.Extension
@@ -101,6 +103,126 @@ class QuestionnaireItemDialogMultiSelectViewHolderFactoryEspressoTest {
     assertQuestionnaireResponseAtIndex(answerHolder!!, "Coding 1", "Coding 3", "Coding 5")
   }
 
+  @Test
+  fun multipleChoice_selectMultiple_selectExclusive_clickSave_shouldSaveOnlyExclusiveOption() {
+    var answerHolder: List<QuestionnaireResponse.QuestionnaireResponseItemAnswerComponent>? = null
+    val questionnaireViewItem =
+      QuestionnaireViewItem(
+        answerOptions(true, "Coding 1", "Coding 2", "Coding 3", "Coding 4", "Coding 5")
+          .addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+            value = Coding().apply { display = "Coding Exclusive" }
+            extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+          }),
+        responseOptions(),
+        validationResult = NotValidated,
+        answersChangedCallback = { _, _, answers, _ -> answerHolder = answers },
+      )
+
+    runOnUI { viewHolder.bind(questionnaireViewItem) }
+
+    endIconClickInTextInputLayout(R.id.multi_select_summary_holder)
+    clickOnTextInDialog("Coding 1")
+    clickOnText("Coding 3")
+    clickOnText("Coding 5")
+    clickOnText("Coding Exclusive")
+    clickOnText("Save")
+
+    assertDisplayedText().isEqualTo("Coding Exclusive")
+    assertQuestionnaireResponseAtIndex(answerHolder!!, "Coding Exclusive")
+  }
+
+  @Test
+  fun multipleChoice_selectExclusive_selectMultiple_clickSave_shouldSaveWithoutExclusiveOption() {
+    var answerHolder: List<QuestionnaireResponse.QuestionnaireResponseItemAnswerComponent>? = null
+    val questionnaireViewItem =
+      QuestionnaireViewItem(
+        answerOptions(true, "Coding 1", "Coding 2", "Coding 3", "Coding 4", "Coding 5")
+          .addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+            value = Coding().apply { display = "Coding Exclusive" }
+            extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+          }),
+        responseOptions(),
+        validationResult = NotValidated,
+        answersChangedCallback = { _, _, answers, _ -> answerHolder = answers },
+      )
+
+    runOnUI { viewHolder.bind(questionnaireViewItem) }
+
+    endIconClickInTextInputLayout(R.id.multi_select_summary_holder)
+    clickOnTextInDialog("Coding Exclusive")
+    clickOnText("Coding 1")
+    clickOnText("Coding 3")
+    clickOnText("Coding 5")
+    clickOnText("Save")
+
+    assertDisplayedText().isEqualTo("Coding 1, Coding 3, Coding 5")
+    assertQuestionnaireResponseAtIndex(answerHolder!!, "Coding 1", "Coding 3", "Coding 5")
+  }
+
+  @Test
+  fun multipleChoice_multipleOptionExclusive_selectMultiple_selectExclusive1_selectExclusive2_clickSave_shouldSaveOnlyLastSelectedExclusiveOption() {
+    var answerHolder: List<QuestionnaireResponse.QuestionnaireResponseItemAnswerComponent>? = null
+    val questionnaireViewItem =
+      QuestionnaireViewItem(
+        answerOptions(true, "Coding 1", "Coding 2", "Coding 3")
+          .addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+            value = Coding().apply { display = "Coding Exclusive 1" }
+            extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+          })
+          .addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+            value = Coding().apply { display = "Coding Exclusive 2" }
+            extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+          }),
+        responseOptions(),
+        validationResult = NotValidated,
+        answersChangedCallback = { _, _, answers, _ -> answerHolder = answers },
+      )
+
+    runOnUI { viewHolder.bind(questionnaireViewItem) }
+
+    endIconClickInTextInputLayout(R.id.multi_select_summary_holder)
+    clickOnTextInDialog("Coding 1")
+    clickOnText("Coding 3")
+    clickOnText("Coding Exclusive 1")
+    clickOnText("Coding Exclusive 2")
+    clickOnText("Save")
+
+    assertDisplayedText().isEqualTo("Coding Exclusive 2")
+    assertQuestionnaireResponseAtIndex(answerHolder!!, "Coding Exclusive 2")
+  }
+
+  @Test
+  fun multipleChoice_multipleOptionExclusive_selectExclusive1_selectExclusive2_selectMultiple_clickSave_shouldSaveWithoutAnyExclusiveOption() {
+    var answerHolder: List<QuestionnaireResponse.QuestionnaireResponseItemAnswerComponent>? = null
+    val questionnaireViewItem =
+      QuestionnaireViewItem(
+        answerOptions(true, "Coding 1", "Coding 2", "Coding 3")
+          .addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+            value = Coding().apply { display = "Coding Exclusive 1" }
+            extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+          })
+          .addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+            value = Coding().apply { display = "Coding Exclusive 2" }
+            extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+          }),
+        responseOptions(),
+        validationResult = NotValidated,
+        answersChangedCallback = { _, _, answers, _ -> answerHolder = answers },
+      )
+
+    runOnUI { viewHolder.bind(questionnaireViewItem) }
+
+    endIconClickInTextInputLayout(R.id.multi_select_summary_holder)
+    clickOnTextInDialog("Coding Exclusive 1")
+    clickOnTextInDialog("Coding Exclusive 2")
+    clickOnText("Coding 1")
+    clickOnText("Coding 3")
+    clickOnText("Save")
+
+    assertDisplayedText().isEqualTo("Coding 1, Coding 3")
+    assertQuestionnaireResponseAtIndex(answerHolder!!, "Coding 1", "Coding 3")
+  }
+
   @Test
   fun multipleChoice_SelectNothing_clickSave_shouldSaveNothing() {
     val questionnaireViewItem =
@@ -364,6 +486,85 @@ class QuestionnaireItemDialogMultiSelectViewHolderFactoryEspressoTest {
     onView(withId(R.id.add_another)).check(matches(isDisplayed()))
   }
 
+  @Test
+  @SdkSuppress(minSdkVersion = 33)
+  fun selectOther_selectExclusive_shouldHideAddAnotherAnswer() {
+    val questionnaireItem =
+      answerOptions(
+        true,
+        "Coding 1",
+        "Coding 2",
+        "Coding 3",
+        "Coding 4",
+        "Coding 5",
+        "Coding 6",
+        "Coding 7",
+        "Coding 8",
+      ).addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+        value = Coding().apply { display = "Coding Exclusive" }
+        extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+      })
+
+    questionnaireItem.addExtension(openChoiceType)
+    val questionnaireViewItem =
+      QuestionnaireViewItem(
+        questionnaireItem,
+        responseOptions(),
+        validationResult = NotValidated,
+        answersChangedCallback = { _, _, _, _ -> },
+      )
+
+    runOnUI { viewHolder.bind(questionnaireViewItem) }
+
+    endIconClickInTextInputLayout(R.id.multi_select_summary_holder)
+    onView(withId(R.id.recycler_view))
+      .perform(RecyclerViewActions.scrollToPosition<RecyclerView.ViewHolder>(9))
+    clickOnTextInDialog("Other")
+    clickOnTextInDialog("Coding Exclusive")
+    onView(withId(R.id.add_another)).check(doesNotExist())
+  }
+
+  @Test
+  @SdkSuppress(minSdkVersion = 33)
+  fun selectOther_clickAddAnotherAnswer_selectExclusive_shouldHideAddAnotherAnswerWithEditText() {
+    val questionnaireItem =
+      answerOptions(
+        true,
+        "Coding 1",
+        "Coding 2",
+        "Coding 3",
+        "Coding 4",
+        "Coding 5",
+        "Coding 6",
+        "Coding 7",
+        "Coding 8",
+      ).addAnswerOption(Questionnaire.QuestionnaireItemAnswerOptionComponent().apply {
+        value = Coding().apply { display = "Coding Exclusive" }
+        extension = listOf(Extension(EXTENSION_OPTION_EXCLUSIVE_URL, BooleanType(true)))
+      })
+
+    questionnaireItem.addExtension(openChoiceType)
+    val questionnaireViewItem =
+      QuestionnaireViewItem(
+        questionnaireItem,
+        responseOptions(),
+        validationResult = NotValidated,
+        answersChangedCallback = { _, _, _, _ -> },
+      )
+
+    runOnUI { viewHolder.bind(questionnaireViewItem) }
+
+    endIconClickInTextInputLayout(R.id.multi_select_summary_holder)
+    onView(withId(R.id.recycler_view))
+      .perform(RecyclerViewActions.scrollToPosition<RecyclerView.ViewHolder>(9))
+    clickOnTextInDialog("Other")
+    onView(withId(R.id.add_another)).perform(delayMainThread())
+    onView(withId(R.id.add_another)).perform(click())
+    clickOnTextInDialog("Coding Exclusive")
+    onView(withId(R.id.add_another)).check(doesNotExist())
+    onView(withId(R.id.edit_text)).check(doesNotExist())
+  }
+
   @Test
   fun shouldHideErrorTextviewInHeader() {
     val questionnaireItem = answerOptions(true, "Coding 1")

datacapture/src/main/java/com/google/android/fhir/datacapture/views/OptionSelectDialogFragment.kt

@@ -40,6 +40,7 @@ import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.fhir.datacapture.R
 import com.google.android.fhir.datacapture.extensions.itemAnswerOptionImage
+import com.google.android.fhir.datacapture.extensions.optionExclusive
 import com.google.android.fhir.datacapture.views.factories.OptionSelectOption
 import com.google.android.fhir.datacapture.views.factories.QuestionnaireItemDialogSelectViewModel
 import com.google.android.fhir.datacapture.views.factories.SelectedOptions
@@ -263,6 +264,8 @@ private class OptionSelectAdapter(val multiSelectEnabled: Boolean) :
    * if "Other" was just deselected, or adding them if "Other" was just selected).
    */
   private fun submitSelectedChange(position: Int, selected: Boolean) {
+    val selectedItem = currentList[position]
+
     val newList: List<OptionSelectRow> =
       currentList
         .mapIndexed { index, row ->
@@ -272,8 +275,16 @@ private class OptionSelectAdapter(val multiSelectEnabled: Boolean) :
           } else {
             // This is some other row
             if (multiSelectEnabled) {
-              // In multi-select mode, the other rows don't need to change
-              row
+              // In multi-select mode,
+              if (selected && ((selectedItem is OptionSelectRow.Option && selectedItem.option.item.optionExclusive)
+                  || (row is OptionSelectRow.Option && row.option.item.optionExclusive))) {
+                // if the selected answer option has optionExclusive extension, then deselect other answer options.
+                // or if the selected answer option does not have optionExclusive extension, then deselect optionExclusive answer option.
+                row.withSelectedState(selected = false) ?: row
+              } else {
+                // the other rows don't need to change
+                row
+              }
             } else {
               // In single-select mode, we need to disable all of the other rows
               row.withSelectedState(selected = false) ?: row