Make circular details collapsible

app/src/main/java/net/underdesk/circolapp/adapters/CircularLetterAdapter.kt

@@ -43,6 +43,7 @@ class CircularLetterAdapter(private val circulars: List<Circular>) :
         var title: TextView = view.circular_title_textview
         var number: TextView = view.circular_number_textview
         var date: TextView = view.circular_date_textview
+        var collapseButton: ImageButton = view.circular_collapse_button
         var viewButton: ImageButton = view.circular_view_button
         var downloadButton: ImageButton = view.circular_download_button
         var favouriteButton: ImageButton = view.circular_favourite_button
@@ -84,15 +85,29 @@ class CircularLetterAdapter(private val circulars: List<Circular>) :
             (context.getSystemService(Context.DOWNLOAD_SERVICE) as DownloadManager).enqueue(request)
         }
 
-        if (circulars[position].attachmentsNames.isNotEmpty()) {
+        holder.collapseButton.setOnClickListener {
-            holder.attachmentsList.visibility = View.VISIBLE
+            if (holder.viewButton.visibility == View.VISIBLE) {
-            holder.attachmentsList.adapter = AttachmentAdapter(
+                holder.viewButton.visibility = View.GONE
-                circulars[position].attachmentsNames,
+                holder.downloadButton.visibility = View.GONE
-                circulars[position].attachmentsUrls
+                holder.favouriteButton.visibility = View.GONE
-            )
+                holder.reminderButton.visibility = View.GONE
-        } else {
+
-            holder.attachmentsList.visibility = View.GONE
+                holder.attachmentsList.visibility = View.GONE
-            holder.attachmentsList.adapter = null
+                holder.attachmentsList.adapter = null
+            } else {
+                holder.viewButton.visibility = View.VISIBLE
+                holder.downloadButton.visibility = View.VISIBLE
+                holder.favouriteButton.visibility = View.VISIBLE
+                holder.reminderButton.visibility = View.VISIBLE
+
+                if (circulars[position].attachmentsNames.isNotEmpty()) {
+                    holder.attachmentsList.visibility = View.VISIBLE
+                    holder.attachmentsList.adapter = AttachmentAdapter(
+                        circulars[position].attachmentsNames,
+                        circulars[position].attachmentsUrls
+                    )
+                }
+            }
         }
     }
 

app/src/main/res/drawable/baseline_keyboard_arrow_down_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
+        android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M7.41,8.59L12,13.17l4.59,-4.58L18,10l-6,6 -6,-6 1.41,-1.41z"/>
+</vector>

app/src/main/res/layout/item_attachment.xml

@@ -9,6 +9,7 @@
         android:id="@+id/attachment_divider"
         android:layout_width="match_parent"
         android:layout_height="1dp"
+        android:layout_marginTop="4dp"
         android:background="@color/colorDivider"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
@@ -31,7 +32,6 @@
         android:layout_height="wrap_content"
         android:layout_marginTop="4dp"
         android:adjustViewBounds="true"
-        android:scaleType="centerInside"
         android:src="@drawable/baseline_visibility_24"
         android:tint="@color/colorAccent"
         app:layout_constraintEnd_toStartOf="@+id/attachment_download_button"

app/src/main/res/layout/item_circular.xml

@@ -24,13 +24,13 @@
 
         <TextView
             android:id="@+id/circular_title_textview"
-            android:layout_width="match_parent"
+            android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginStart="8dp"
             android:layout_marginTop="4dp"
-            android:layout_marginEnd="8dp"
+            android:layout_marginBottom="8dp"
             app:layout_constraintBottom_toTopOf="@+id/circular_view_button"
-            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintEnd_toStartOf="@+id/circular_collapse_button"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/circular_number_textview" />
 
@@ -44,6 +44,18 @@
             app:layout_constraintStart_toEndOf="@+id/circular_number_textview"
             app:layout_constraintTop_toTopOf="@+id/circular_number_textview" />
 
+        <ImageButton
+            android:id="@+id/circular_collapse_button"
+            style="?android:attr/borderlessButtonStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="8dp"
+            android:adjustViewBounds="true"
+            android:src="@drawable/baseline_keyboard_arrow_down_24"
+            app:layout_constraintBottom_toTopOf="@+id/circular_reminder_button"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
         <ImageButton
             android:id="@+id/circular_view_button"
             style="?android:attr/borderlessButtonStyle"
@@ -52,6 +64,7 @@
             android:layout_marginStart="8dp"
             android:src="@drawable/baseline_visibility_24"
             android:tint="@color/colorAccent"
+            android:visibility="gone"
             app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
             app:layout_constraintStart_toStartOf="parent" />
 
@@ -63,6 +76,7 @@
             android:gravity="center"
             android:src="@drawable/baseline_get_app_24"
             android:tint="@color/colorAccent"
+            android:visibility="gone"
             app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
             app:layout_constraintEnd_toStartOf="@+id/circular_guideline"
             app:layout_constraintStart_toEndOf="@+id/circular_view_button" />
@@ -74,6 +88,7 @@
             android:layout_height="wrap_content"
             android:src="@drawable/baseline_star_24"
             android:tint="@color/colorAccent"
+            android:visibility="gone"
             app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
             app:layout_constraintEnd_toStartOf="@+id/circular_reminder_button"
             app:layout_constraintStart_toStartOf="@+id/circular_guideline" />
@@ -86,6 +101,7 @@
             android:layout_marginEnd="8dp"
             android:src="@drawable/baseline_notifications_24"
             android:tint="@color/colorAccent"
+            android:visibility="gone"
             app:layout_constraintBottom_toTopOf="@+id/circulars_attachments_list"
             app:layout_constraintEnd_toEndOf="parent" />
 
@@ -97,6 +113,7 @@
             android:layout_marginEnd="8dp"
             android:layout_marginBottom="4dp"
             android:nestedScrollingEnabled="false"
+            android:visibility="gone"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent" />