Merge pull request #15 from Omega-R/feature/optional_click

Optional set on click listener methods added

Author: anton-knyazev

lib/src/main/java/com/omega_r/base/clickers/OmegaClickable.kt

@@ -1,6 +1,5 @@
 package com.omega_r.base.clickers
 
-import android.os.Build
 import android.view.View
 import androidx.core.view.ViewCompat
 import com.omega_r.base.OmegaViewFindable
@@ -23,10 +22,18 @@ interface OmegaClickable: OmegaViewFindable {
         findViewById<View>(id)!!.setOnClickListener(clickManager.wrap(id, listener))
     }
 
+    fun setOnClickListenerOptional(id: Int, listener: View.OnClickListener) {
+        findViewById<View>(id)?.setOnClickListener(clickManager.wrap(id, listener))
+    }
+
     fun setOnClickListener(id: Int, block: () -> Unit) {
         findViewById<View>(id)!!.setOnClickListener(clickManager.wrap(id, block))
     }
 
+    fun setOnClickListenerOptional(id: Int, block: () -> Unit) {
+        findViewById<View>(id)?.setOnClickListener(clickManager.wrap(id, block))
+    }
+
     fun setOnClickListenerWithView(id: Int, block: (View) -> Unit) {
         findViewById<View>(id)!!.setOnClickListener(clickManager.wrap(id, block))
     }
@@ -35,10 +42,18 @@ interface OmegaClickable: OmegaViewFindable {
         pairs.forEach { setOnClickListener(it.first, it.second) }
     }
 
+    fun setOnClickListenersOptional(vararg pairs: Pair<Int, () -> Unit>) {
+        pairs.forEach { setOnClickListenerOptional(it.first, it.second) }
+    }
+
     fun setOnClickListeners(vararg ids: Int, block: (View) -> Unit) {
         ids.forEach { findViewById<View>(it)!!.setOnClickListener(clickManager.wrap(it, block)) }
     }
 
+    fun setOnClickListenersOptional(vararg ids: Int, block: (View) -> Unit) {
+        ids.forEach { findViewById<View>(it)?.setOnClickListener(clickManager.wrap(it, block)) }
+    }
+
     fun <E> setOnClickListeners(vararg pairs: Pair<Int, E>, block: (E) -> Unit) {
         val list = pairs.map { it.first }
         val map = pairs.toMap()
@@ -47,6 +62,14 @@ interface OmegaClickable: OmegaViewFindable {
         }
     }
 
+    fun <E> setOnClickListenersOptional(vararg pairs: Pair<Int, E>, block: (E) -> Unit) {
+        val list = pairs.map { it.first }
+        val map = pairs.toMap()
+        setOnClickListenersOptional(ids = *list.toIntArray()) {
+            block(map[it.id]!!)
+        }
+    }
+
     fun setMenuListener(vararg pairs: Pair<Int, () -> Unit>) {
         pairs.forEach { setMenuListener(it.first, it.second) }
     }