implementing Speed Dialing

app/src/main/kotlin/com/simplemobiletools/dialer/adapters/SpeedDialAdapter.kt

@@ -0,0 +1,80 @@
+package com.simplemobiletools.dialer.adapters
+
+import android.view.Menu
+import android.view.View
+import android.view.ViewGroup
+import com.simplemobiletools.commons.adapters.MyRecyclerViewAdapter
+import com.simplemobiletools.commons.views.MyRecyclerView
+import com.simplemobiletools.dialer.R
+import com.simplemobiletools.dialer.activities.SimpleActivity
+import com.simplemobiletools.dialer.interfaces.RemoveSpeedDialListener
+import com.simplemobiletools.dialer.models.SpeedDial
+import kotlinx.android.synthetic.main.item_speed_dial.view.*
+import java.util.*
+
+class SpeedDialAdapter(activity: SimpleActivity, var speedDialValues: ArrayList<SpeedDial>, private val removeListener: RemoveSpeedDialListener,
+                       recyclerView: MyRecyclerView, itemClick: (Any) -> Unit) : MyRecyclerViewAdapter(activity, recyclerView, null, itemClick) {
+
+    init {
+        setupDragListener(true)
+    }
+
+    override fun getActionMenuId() = R.menu.cab_delete_only
+
+    override fun prepareActionMode(menu: Menu) {}
+
+    override fun actionItemPressed(id: Int) {
+        if (selectedKeys.isEmpty()) {
+            return
+        }
+
+        when (id) {
+            R.id.cab_delete -> deleteSpeedDial()
+        }
+    }
+
+    override fun getSelectableItemCount() = speedDialValues.size
+
+    override fun getIsItemSelectable(position: Int) = speedDialValues[position].isValid()
+
+    override fun getItemSelectionKey(position: Int) = speedDialValues.getOrNull(position)?.hashCode()
+
+    override fun getItemKeyPosition(key: Int) = speedDialValues.indexOfFirst { it.hashCode() == key }
+
+    override fun onActionModeCreated() {}
+
+    override fun onActionModeDestroyed() {}
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int) = createViewHolder(R.layout.item_speed_dial, parent)
+
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val speedDial = speedDialValues[position]
+        holder.bindView(speedDial, true, true) { itemView, layoutPosition ->
+            setupView(itemView, speedDial)
+        }
+        bindViewHolder(holder)
+    }
+
+    override fun getItemCount() = speedDialValues.size
+
+    private fun getSelectedItems() = speedDialValues.filter { selectedKeys.contains(it.hashCode()) } as ArrayList<SpeedDial>
+
+    private fun deleteSpeedDial() {
+        val ids = getSelectedItems().map { it.id }.toMutableList() as ArrayList<Int>
+        removeListener.removeSpeedDial(ids)
+        finishActMode()
+    }
+
+    private fun setupView(view: View, speedDial: SpeedDial) {
+        view.apply {
+            var displayName = "${speedDial.id}. "
+            displayName += if (speedDial.isValid()) speedDial.displayName else ""
+
+            speed_dial_label.apply {
+                text = displayName
+                isSelected = selectedKeys.contains(speedDial.hashCode())
+                setTextColor(textColor)
+            }
+        }
+    }
+}