Enable group color change in single group setting

app/src/main/java/net/helcel/beans/activity/EditActivity.kt

@@ -1,15 +1,22 @@
 package net.helcel.beans.activity
 
 import android.os.Bundle
+import android.view.Menu
 import android.view.MenuItem
 import androidx.activity.addCallback
 import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
 import com.google.android.material.tabs.TabLayoutMediator
 import net.helcel.beans.R
 import net.helcel.beans.activity.adapter.ViewPagerAdapter
+import net.helcel.beans.activity.fragment.EditGroupAddFragment
+import net.helcel.beans.activity.fragment.EditPlaceColorFragment
 import net.helcel.beans.activity.fragment.EditPlaceFragment
 import net.helcel.beans.countries.World
 import net.helcel.beans.databinding.ActivityEditBinding
+import net.helcel.beans.helper.Data
+import net.helcel.beans.helper.DialogCloser
+import net.helcel.beans.helper.Settings
 import net.helcel.beans.helper.Theme.createActionBar
 
 
@@ -39,8 +46,24 @@ class EditActivity : AppCompatActivity() {
         }
     }
 
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        if (Settings.isSingleGroup(this)) {
+            menuInflater.inflate(R.menu.menu_edit, menu)
+        }
+        return true
+    }
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
-        finish()
+        when (item.itemId) {
+            R.id.action_color -> {
+                Data.groups.getUniqueEntry()?.let { group ->
+                    EditGroupAddFragment(group.key, {
+                        (_binding.pager.adapter as ViewPagerAdapter?)?.refreshColors(group.color)
+                    }, {}, false).show(supportFragmentManager, "AddColorDialogFragment")
+                }
+            }
+            else -> finish()
+        }
         return super.onOptionsItemSelected(item)
     }
 

app/src/main/java/net/helcel/beans/activity/adapter/GeolocListAdapter.kt

@@ -3,6 +3,7 @@ package net.helcel.beans.activity.adapter
 import android.content.res.ColorStateList
 import android.graphics.Color
 import android.graphics.Typeface
+import android.graphics.drawable.ColorDrawable
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.fragment.app.FragmentActivity
@@ -22,6 +23,7 @@ class GeolocListAdapter(
 ) : RecyclerView.Adapter<GeolocListAdapter.FoldingListViewHolder>() {
 
     private val sortedList = l.children.toList().sortedBy { it.fullName }
+    private val holders: MutableSet<FoldingListViewHolder> = mutableSetOf()
 
     override fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): FoldingListViewHolder {
         val binding = ItemListGeolocBinding.inflate(
@@ -29,7 +31,9 @@ class GeolocListAdapter(
             viewGroup,
             false
         )
-        return FoldingListViewHolder(ctx.requireActivity(), binding, parentHolder, l)
+        val holder = FoldingListViewHolder(ctx.requireActivity(), binding, parentHolder, l)
+        holders.add(holder)
+        return holder
     }
 
     override fun onBindViewHolder(holder: FoldingListViewHolder, position: Int) {
@@ -46,12 +50,17 @@ class GeolocListAdapter(
         return l.children.size
     }
 
+    fun refreshColors(colorDrawable: ColorDrawable) {
+        holders.forEach { it.refreshColor(colorDrawable) }
+    }
+
     class FoldingListViewHolder(
         private val ctx: FragmentActivity,
         private val _binding: ItemListGeolocBinding,
         private val _parentHolder: FoldingListViewHolder? = null,
         private val _parentGeoLoc: GeoLoc,
     ) : RecyclerView.ViewHolder(_binding.root), DialogCloser {
+        private lateinit var el: GeoLoc
 
         private fun bindGroup(el: GeoLoc) {
             refreshCount(el)
@@ -65,6 +74,7 @@ class GeolocListAdapter(
         }
 
         fun bind(el: GeoLoc) {
+            this.el = el
             _binding.textView.text = el.fullName
             _binding.textView.backgroundTintList =
                 ColorStateList.valueOf(colorWrapper(ctx, android.R.attr.colorBackground).color)
@@ -75,6 +85,14 @@ class GeolocListAdapter(
             refreshCheck(el)
         }
 
+        fun refreshColor(colorDrawable: ColorDrawable) {
+            if (Data.visits.getVisited(el) !in listOf(NO_GROUP, AUTO_GROUP)) {
+                _binding.checkBox.buttonTintList =
+                    ColorStateList.valueOf(colorDrawable.color)
+                refreshCheck(el)
+            }
+        }
+
         fun addListeners(el: GeoLoc, expandLambda: () -> Boolean) {
             if (el.shouldShowChildren(ctx)) {
                 _binding.textView.setOnClickListener { expandLambda() }

app/src/main/java/net/helcel/beans/activity/adapter/ViewPagerAdapter.kt

@@ -1,5 +1,6 @@
 package net.helcel.beans.activity.adapter
 
+import android.graphics.drawable.ColorDrawable
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.FragmentManager
 import androidx.lifecycle.Lifecycle
@@ -51,6 +52,10 @@ class ViewPagerAdapter(
     override fun createFragment(position: Int): Fragment {
         return fragmentList[position]
     }
+
+    fun refreshColors(colorDrawable: ColorDrawable) {
+        fragmentList.forEach{ it.refreshColors(colorDrawable)}
+    }
 }
 
 

app/src/main/java/net/helcel/beans/activity/fragment/EditGroupAddFragment.kt

@@ -24,7 +24,8 @@ import net.helcel.beans.helper.Theme.colorToHex6
 class EditGroupAddFragment(
     private val key: Int = 0,
     val onAddCb: (Int) -> Unit,
-    val onDelCb: (Int) -> Unit
+    val onDelCb: (Int) -> Unit,
+    private val deleteEnabled: Boolean = true
 ) : DialogFragment() {
 
     private lateinit var _binding: FragmentEditGroupsAddBinding
@@ -42,7 +43,7 @@ class EditGroupAddFragment(
         _binding.colorView.background = ColorDrawable(grp.color.color)
 
 
-        if (key == 0) {
+        if (key == 0 || !deleteEnabled) {
             _binding.btnDelete.visibility = View.INVISIBLE
             _binding.btnDelete.isEnabled = false
         }

app/src/main/java/net/helcel/beans/activity/fragment/EditPlaceColorFragment.kt

@@ -45,10 +45,9 @@ class EditPlaceColorFragment(private val parent: DialogCloser, private val delet
         if (delete) {
             _binding.btnAdd.visibility = View.GONE
             _binding.btnClear.text = ctx.getString(R.string.cancel)
-            with (_binding.warningText) {
-                visibility = View.VISIBLE
-                text = ctx.getString(R.string.select_group)
-            }
+            _binding.warningText.text = ctx.getString(R.string.select_group)
+        } else {
+            _binding.warningText.text = ctx.getString(R.string.edit_group)
         }
 
         return dialog

app/src/main/java/net/helcel/beans/activity/fragment/EditPlaceFragment.kt

@@ -1,5 +1,6 @@
 package net.helcel.beans.activity.fragment
 
+import android.graphics.drawable.ColorDrawable
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -30,4 +31,8 @@ class EditPlaceFragment(val loc: GeoLoc, private val pager: ViewPagerAdapter, pr
         _binding.list.adapter = GeolocListAdapter(this, loc, pager, holder)
         return _binding.root
     }
+
+    fun refreshColors(colorDrawable: ColorDrawable) {
+        (_binding.list.adapter as GeolocListAdapter?)?.refreshColors(colorDrawable)
+    }
 }