feat: Add support for removing categories

app/src/main/java/com/p_vacho/neat_calendar/adapters/CategoryChipAdapter.kt

@@ -1,31 +1,59 @@
 package com.p_vacho.neat_calendar.adapters
 
-import android.graphics.Color
+import android.content.res.ColorStateList
 import android.view.LayoutInflater
+import android.view.View
 import android.view.ViewGroup
+import android.widget.ImageButton
 import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
 import com.p_vacho.neat_calendar.R
-import androidx.core.content.ContextCompat
 import com.p_vacho.neat_calendar.api.models.CategoryResponse
 
-class CategoryChipAdapter(private val categories: List<CategoryResponse>) :
-    RecyclerView.Adapter<CategoryChipAdapter.CategoryViewHolder>() {
+class CategoryChipAdapter(
+    private val categories: List<CategoryResponse>,
+    private val isRemovable: Boolean = false,
+    private val onRemoveCategory: ((CategoryResponse) -> Unit)? = null
+) : RecyclerView.Adapter<RecyclerView.ViewHolder>() {
 
     inner class CategoryViewHolder(val textView: TextView) : RecyclerView.ViewHolder(textView)
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CategoryViewHolder {
-        val view = LayoutInflater.from(parent.context)
-            .inflate(R.layout.item_category_chip, parent, false) as TextView
-        return CategoryViewHolder(view)
+    inner class RemovableCategoryViewHolder(view: View) : RecyclerView.ViewHolder(view) {
+        val textView: TextView = view.findViewById(R.id.chipText)
+        val removeButton: ImageButton = view.findViewById(R.id.removeButton)
     }
 
-    override fun onBindViewHolder(holder: CategoryViewHolder, position: Int) {
-        val category = categories[position]
-        holder.textView.text = category.name
+    override fun getItemViewType(position: Int): Int {
+        return if (isRemovable) 1 else 0
+    }
 
-        holder.textView.backgroundTintList = android.content.res.ColorStateList.valueOf(category.color.toArgb())
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        return if (viewType == 1) {
+            val view = LayoutInflater.from(parent.context)
+                .inflate(R.layout.item_removable_category_chip, parent, false)
+            RemovableCategoryViewHolder(view)
+        } else {
+            val view = LayoutInflater.from(parent.context)
+                .inflate(R.layout.item_category_chip, parent, false) as TextView
+            CategoryViewHolder(view)
+        }
+    }
+
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        val category = categories[position]
+
+        if (holder is CategoryViewHolder) {
+            holder.textView.text = category.name
+            holder.textView.backgroundTintList = ColorStateList.valueOf(category.color.toArgb())
+        } else if (holder is RemovableCategoryViewHolder) {
+            holder.textView.text = category.name
+            holder.textView.backgroundTintList = ColorStateList.valueOf(category.color.toArgb())
+
+            holder.removeButton.setOnClickListener {
+                onRemoveCategory?.invoke(category)
+            }
+        }
     }
 
     override fun getItemCount(): Int = categories.size
-}
+}

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

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+  <path
+      android:pathData="m256,760 l-56,-56 224,-224 -224,-224 56,-56 224,224 224,-224 56,56 -224,224 224,224 -56,56 -224,-224 -224,224Z"
+      android:fillColor="#e8eaed"/>
+</vector>

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

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:orientation="horizontal"
+    android:gravity="center_vertical"
+    android:layout_marginEnd="8dp"
+    android:background="@drawable/bg_category_chip"
+    android:paddingStart="8dp"
+    android:paddingEnd="4dp"
+    android:paddingTop="4dp"
+    android:paddingBottom="4dp">
+
+    <!-- Text for the category -->
+    <TextView
+        android:id="@+id/chipText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="12sp"
+        android:textColor="?android:attr/textColorPrimary"
+        tools:text="Work" />
+
+    <!-- X button to remove the category -->
+    <ImageButton
+        android:id="@+id/removeButton"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:layout_marginStart="8dp"
+        android:background="?attr/selectableItemBackgroundBorderless"
+        android:contentDescription="@string/remove_category"
+        android:src="@drawable/ic_close"
+        app:tint="?android:attr/textColorPrimary" />
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -41,4 +41,5 @@
     <string name="end_time">End Time</string>
     <string name="create_event">Create Event</string>
     <string name="select_color">Select Color</string>
+    <string name="remove_category">Remove the category</string>
 </resources>