[feat/#138] 카드 뒷면 관심사 삭제/추가 디테일 수정

app/src/main/java/com/teumteum/teumteum/presentation/mypage/MyPageScreen.kt

@@ -206,15 +206,6 @@ fun BackCardView(backCard: BackCard) {
         factory = { context ->
             BackCardView(context).apply {
                 getInstance(backCard)
-                submitInterestList( //todo - 더미
-                    listOf(
-                        Interest("모여서 각자 일하기"),
-                        Interest("사이드 프로젝트"),
-                        Interest("네트워킹")
-                    )
-                )
-                setIsModifyDetail(isModifyDetail = true)
-                isModify = true
                 rotationY = 180f
             }
         },

app/src/main/java/com/teumteum/teumteum/util/callback/OnCurrentListChangedListener.kt

@@ -0,0 +1,5 @@
+package com.teumteum.teumteum.util.callback
+
+interface OnCurrentListChangedListener<T> {
+    fun onCurrentListChanged(previousList: List<T>, currentList: List<T>)
+}

app/src/main/java/com/teumteum/teumteum/util/custom/itemdecoration/FlexboxItemDecoration.kt

@@ -7,39 +7,30 @@ import androidx.recyclerview.widget.RecyclerView
 import com.google.android.flexbox.FlexboxLayoutManager
 import com.teumteum.teumteum.util.extension.dpToPx
 
-class FlexboxItemDecoration(private val context: Context, private val horizontalSpaceDp: Int, private val verticalSpaceDp: Int) : RecyclerView.ItemDecoration() {
+class FlexboxItemDecoration(private val context: Context, private val leftSpaceDp: Int, private val topSpaceDp: Int) : RecyclerView.ItemDecoration() {
 
-    private val horizontalSpacePx = horizontalSpaceDp.dpToPx(context)
-    private val verticalSpacePx = verticalSpaceDp.dpToPx(context)
+    private val leftSpacePx = leftSpaceDp.dpToPx(context)
+    private val topSpacePx = topSpaceDp.dpToPx(context)
 
     override fun getItemOffsets(outRect: Rect, view: View, parent: RecyclerView, state: RecyclerView.State) {
         val layoutManager = parent.layoutManager as? FlexboxLayoutManager
         val position = parent.getChildAdapterPosition(view)
 
         layoutManager?.let {
-            val itemCount = parent.adapter?.itemCount ?: 0
-            val isLastRowItem = position >= itemCount - it.flexWrap
             val isFirstInRow = position % it.flexWrap == 0
 
             // 왼쪽에 아무것도 없는 첫 번째 아이템은 왼쪽 마진을 0으로 설정
             if (isFirstInRow) {
                 outRect.left = 0
             } else {
-                outRect.left = horizontalSpacePx
-            }
-
-            // 마지막 줄의 아이템은 아래 마진을 0으로 설정
-            if (isLastRowItem) {
-                outRect.bottom = 0
-            } else {
-                outRect.bottom = verticalSpacePx
+                outRect.left = leftSpacePx
             }
 
             // 상단 마진은 항상 동일하게 적용
-            outRect.top = verticalSpacePx
+            outRect.top = topSpacePx
 
             // 오른쪽 마진은 항상 동일하게 적용
-            outRect.right = horizontalSpacePx
+            outRect.right = leftSpacePx
         }
     }
 }

app/src/main/java/com/teumteum/teumteum/util/custom/view/BackCardView.kt

@@ -7,28 +7,32 @@ import android.util.TypedValue
 import android.view.View
 import android.widget.ImageView
 import android.widget.TextView
+import android.widget.Toast
 import androidx.cardview.widget.CardView
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.content.ContextCompat
 import androidx.core.content.res.ResourcesCompat
+import androidx.lifecycle.MutableLiveData
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.flexbox.FlexDirection
 import com.google.android.flexbox.FlexWrap
 import com.google.android.flexbox.FlexboxLayoutManager
 import com.google.android.flexbox.JustifyContent
 import com.teumteum.teumteum.R
+import com.teumteum.teumteum.util.callback.OnCurrentListChangedListener
 import com.teumteum.teumteum.util.custom.itemdecoration.FlexboxItemDecoration
 import com.teumteum.teumteum.util.custom.view.adapter.InterestAdapter
 import com.teumteum.teumteum.util.custom.view.model.BackCard
 import com.teumteum.teumteum.util.custom.view.model.Interest
 import com.teumteum.teumteum.util.extension.dpToPx
+import timber.log.Timber
 
 /**
  * 카드 후면 뷰
  *
  * xml, compose 모든 환경에서 뷰를 재활용 할 수 있게 커스텀뷰로 제작
  */
-class BackCardView : CardView {
+class BackCardView : CardView, OnCurrentListChangedListener<Interest> {
     private val layoutParent = ConstraintLayout.LayoutParams.PARENT_ID
     private var backCard = BackCard()
 
@@ -46,21 +50,44 @@ class BackCardView : CardView {
             ivFloat.visibility = if (value) View.VISIBLE else View.INVISIBLE
         }
 
+    var isModifyDetail: Boolean = false
+        set(value) {
+            field = value
+            ivEditGoalContent.visibility = if (value) View.VISIBLE else View.INVISIBLE
+        }
+
+    var currentList = MutableLiveData<MutableList<Interest>>()
+
     // isModifyDetail 값을 설정하고 어댑터에 UI 갱신을 알리는 함수
     @SuppressLint("NotifyDataSetChanged")
     fun setIsModifyDetail(isModifyDetail: Boolean) {
+        this.isModifyDetail = isModifyDetail //todo - 하나의 변수를 어댑터 안팎으로 2개씩 나눠 다루고 있는데 추후 하나로 통일
         interestAdapter.isModifyDetail = isModifyDetail
-        // UI를 새로고침하도록 어댑터에 알림
         interestAdapter.notifyDataSetChanged()
     }
 
     // 공개 속성으로 RecyclerView와 Adapter 제공
-    val interestAdapter = InterestAdapter()
+    val interestAdapter = InterestAdapter(context, this)
     lateinit var rvInterests: RecyclerView
         private set
 
     fun submitInterestList(interests: List<Interest>) {
-        interestAdapter.submitList(interests.reversed()) //flexboxLayout에서 item 쌓이는 순서 reverse 지원을 안 해서 직접 item 순서를 뒤집어서 submitList
+        val currentList = interestAdapter.currentList.toMutableList()
+
+        if (!currentList.any { it.interest == "추가하기" } && isModifyDetail) {
+            currentList.add(Interest("추가하기"))
+        }
+
+        val availableSlots = 4 - currentList.size
+
+        if (interests.size > availableSlots) {
+            Toast.makeText(context, "최대 3개까지 선택할 수 있어요", Toast.LENGTH_SHORT).show()
+        } else {
+            val interestsToAdd = interests.take(availableSlots)
+            currentList.addAll(0, interestsToAdd)
+
+            interestAdapter.submitList(currentList.reversed())
+        }
     }
 
     constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
@@ -206,8 +233,8 @@ class BackCardView : CardView {
             marginBottom = 32,
             marginStart = 32,
             marginEnd = 32,
-            itemHorizontalSpaceDp = 8,
-            itemVerticalSpaceDp = 4,
+            itemLeftSpaceDp = 8,
+            itemTopSpaceDp = 8,
         )
     }
 
@@ -344,8 +371,8 @@ class BackCardView : CardView {
         endToEndOf: Int? = null,
         endToStartOf: Int? = null,
         background: Int? = null,
-        itemHorizontalSpaceDp: Int,
-        itemVerticalSpaceDp: Int,
+        itemLeftSpaceDp: Int,
+        itemTopSpaceDp: Int,
     ) {
         rvInterests = RecyclerView(context).apply {
             this.id = id
@@ -362,8 +389,8 @@ class BackCardView : CardView {
             addItemDecoration(
                 FlexboxItemDecoration(
                     context,
-                    itemHorizontalSpaceDp,
-                    itemVerticalSpaceDp
+                    itemLeftSpaceDp,
+                    itemTopSpaceDp
                 )
             )
             background?.let { setBackgroundResource(it) }
@@ -395,4 +422,11 @@ class BackCardView : CardView {
         rvInterests.layoutParams = layoutParams
         this.addView(rvInterests)
     }
+
+    override fun onCurrentListChanged(previousList: List<Interest>, currentList: List<Interest>) {
+        Timber.tag("갱신 리스트 p").d("${previousList}")
+        Timber.tag("갱신 리스트 c").d("${currentList}")
+        this.currentList.value = currentList.filterNot { it.interest == "추가하기" }.toMutableList()
+        Timber.tag("currentList").d("${this.currentList.value}")
+    }
 }

app/src/main/java/com/teumteum/teumteum/util/custom/view/adapter/InterestAdapter.kt

@@ -1,32 +1,51 @@
 package com.teumteum.teumteum.util.custom.view.adapter
 
+import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
+import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.DiffUtil
 import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import com.teumteum.teumteum.R
 import com.teumteum.teumteum.databinding.ItemInterestBinding
+import com.teumteum.teumteum.util.callback.OnCurrentListChangedListener
 import com.teumteum.teumteum.util.custom.view.model.Interest
-import timber.log.Timber
 
-class InterestAdapter() : ListAdapter<Interest, InterestAdapter.ItemViewHolder>(
+class InterestAdapter(
+    val context: Context,
+    var onCurrentListChangedListener: OnCurrentListChangedListener<Interest>,
+) : ListAdapter<Interest, InterestAdapter.ItemViewHolder>(
     ItemListDiffCallback
 ) {
-    var isModifyDetail: Boolean = false // 외부에서 접근 가능하도록 isModifyDetail 속성 추가
+    var isModifyDetail: Boolean = false
+    var onAddItemClick: (() -> Unit)? = null
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ItemViewHolder {
-        val binding = ItemInterestBinding.inflate(LayoutInflater.from(parent.context), parent, false)
-        // onCreateViewHolder 시점에 isModifyDetail 값을 ItemViewHolder에 전달
-        return ItemViewHolder(binding, isModifyDetail)
+        val binding =
+            ItemInterestBinding.inflate(LayoutInflater.from(parent.context), parent, false)
+        return ItemViewHolder(binding, isModifyDetail, onAddItemClick) { position ->
+            if (currentList.size > 2) {
+                removeItem(position)
+            } else {
+                Toast.makeText(context, "1개 이하는 삭제가 불가능 해요", Toast.LENGTH_SHORT).show()
+            }
+        }
     }
 
     override fun onBindViewHolder(holder: ItemViewHolder, position: Int) {
-        holder.bind(getItem(position))
-        holder.binding.root.setOnClickListener {
-            removeItem(position)
-        }
+        val item = getItem(position)
+        holder.bind(item)
+    }
+
+    override fun onCurrentListChanged(
+        previousList: MutableList<Interest>,
+        currentList: MutableList<Interest>,
+    ) {
+        super.onCurrentListChanged(previousList, currentList)
+        onCurrentListChangedListener?.onCurrentListChanged(previousList, currentList)
     }
 
     private fun removeItem(position: Int) {
@@ -36,24 +55,49 @@ class InterestAdapter() : ListAdapter<Interest, InterestAdapter.ItemViewHolder>(
         submitList(newList)
     }
 
-    class ItemViewHolder(val binding: ItemInterestBinding, private val isModifyDetail: Boolean) :
-        RecyclerView.ViewHolder(binding.root) {
+    class ItemViewHolder(
+        private val binding: ItemInterestBinding,
+        private val isModifyDetail: Boolean,
+        private val onAddItemClick: (() -> Unit)?,
+        private val onRemoveItem: (position: Int) -> Unit,
+    ) : RecyclerView.ViewHolder(binding.root) {
+
         fun bind(item: Interest) {
-            binding.tvInterest.text = itemView.context.getString(R.string.item_interest, item.interest)
-            // 생성자를 통해 전달받은 isModifyDetail 값을 사용
-            binding.ivDelete.visibility = if (isModifyDetail) View.VISIBLE else View.GONE
+            with(binding) {
+                if (item.interest == "추가하기") {
+                    tvInterest.text = item.interest
+                    tvInterest.setTextColor(
+                        ContextCompat.getColor(
+                            itemView.context,
+                            com.teumteum.base.R.color.text_button_primary_default
+                        )
+                    )
+                    clInterest.setBackgroundResource(R.drawable.shape_rect4_color_outline_level01_active)
+                    ivDelete.setImageDrawable(
+                        ContextCompat.getDrawable(
+                            itemView.context,
+                            R.drawable.ic_plus_fill
+                        )
+                    )
+                    root.setOnClickListener { onAddItemClick?.invoke() }
+                } else {
+                    tvInterest.text =
+                        itemView.context.getString(R.string.item_interest, item.interest)
+                    clInterest.setBackgroundResource(R.drawable.shape_rect4_background)
+                    root.setOnClickListener(null)
+                    ivDelete.setOnClickListener { onRemoveItem(absoluteAdapterPosition) }
+
+                }
+                ivDelete.visibility = if (isModifyDetail) View.VISIBLE else View.GONE
+            }
         }
     }
 
     object ItemListDiffCallback : DiffUtil.ItemCallback<Interest>() {
-        override fun areItemsTheSame(oldItem: Interest, newItem: Interest): Boolean {
-            return oldItem == newItem
-        }
+        override fun areItemsTheSame(oldItem: Interest, newItem: Interest): Boolean =
+            oldItem == newItem
 
-        override fun areContentsTheSame(
-            oldItem: Interest, newItem: Interest
-        ): Boolean {
-            return oldItem.interest == newItem.interest
-        }
+        override fun areContentsTheSame(oldItem: Interest, newItem: Interest): Boolean =
+            oldItem.interest == newItem.interest
     }
 }

app/src/main/res/drawable-night/ic_plus_fill.xml

@@ -5,6 +5,6 @@
     android:viewportHeight="24">
     <path
         android:pathData="M5.636,18.364C9.151,21.879 14.849,21.879 18.364,18.364C21.879,14.849 21.879,9.151 18.364,5.636C14.849,2.121 9.151,2.121 5.636,5.636C2.121,9.151 2.121,14.849 5.636,18.364ZM11,16.243V13H7.757V11H11L11,7.757H13L13,11H16.243V13H13V16.243H11Z"
-        android:fillColor="#FFFFFF"
+         android:fillColor="#C9C9C9"
         android:fillType="evenOdd"/>
 </vector>

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

@@ -5,6 +5,6 @@
     android:viewportHeight="24">
   <path
       android:pathData="M5.636,18.364C9.151,21.879 14.849,21.879 18.364,18.364C21.879,14.849 21.879,9.151 18.364,5.636C14.849,2.121 9.151,2.121 5.636,5.636C2.121,9.151 2.121,14.849 5.636,18.364ZM11,16.243V13H7.757V11H11L11,7.757H13L13,11H16.243V13H13V16.243H11Z"
-      android:fillColor="#C9C9C9"
+      android:fillColor="#FFFFFF"
       android:fillType="evenOdd"/>
 </vector>

app/src/main/res/drawable/shape_rect4_color_outline_level01_active.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid android:color="@color/outline_level01_active" />
+    <corners android:radius="4dp" />
+</shape>