Merge pull request #17 from bmc08gt/master

ToggleButtonLayout: Add self reference to OnToggledListener callback

Author: Jawnnypoo

app/src/main/java/com/savvyapps/togglebuttonlayout/sample/ToggleButtonLayoutActivity.kt

@@ -15,8 +15,8 @@ class ToggleButtonLayoutActivity : AppCompatActivity() {
 
         toolbar.setTitle(R.string.app_name)
 
-        toggleButtonLayout.onToggledListener = { toggle, selected ->
-            Snackbar.make(root, "Toggle " + toggle.id + " selected state " + selected, Snackbar.LENGTH_LONG)
+        toggleButtonLayout.onToggledListener = { _, toggle, selected ->
+            Snackbar.make(root, "Toggle ${toggle.id} selected state $selected", Snackbar.LENGTH_LONG)
                     .show()
         }
 

togglebuttonlayout/src/main/java/com/savvyapps/togglebuttonlayout/Toggle.kt

@@ -27,6 +27,12 @@ class Toggle(
      */
     var isSelected: Boolean = false
 
+    internal var parentRef: ToggleButtonLayout? = null
+
+    fun getToggleButtonLayout(): ToggleButtonLayout? {
+        return parentRef
+    }
+
     init {
         if (id == 0) {
             throw IllegalArgumentException("Toggle must have a non-zero id")

togglebuttonlayout/src/main/java/com/savvyapps/togglebuttonlayout/ToggleButtonLayout.kt

@@ -109,14 +109,14 @@ class ToggleButtonLayout : CardView {
             //do nothing
         } else {
             setToggled(toggle.id, !toggle.isSelected)
-            onToggledListener?.invoke(toggle, toggle.isSelected)
+            onToggledListener?.invoke(this@ToggleButtonLayout, toggle, toggle.isSelected)
         }
     }
 
     /**
      * Listen for when toggles get selected and deselected
      */
-    var onToggledListener: ((toggle: Toggle, selected: Boolean) -> Unit)? = null
+    var onToggledListener: ((v: View?, toggle: Toggle, selected: Boolean) -> Unit)? = null
 
     constructor(context: Context) : super(context) {
         init(context, null)
@@ -173,7 +173,9 @@ class ToggleButtonLayout : CardView {
         MenuInflater(context).inflate(menuId, menu)
         for (i in 0 until menu.size()) {
             val item = menu.getItem(i)
-            val toggle = Toggle(item.itemId, item.icon, item.title)
+            val toggle = Toggle(item.itemId, item.icon, item.title).apply {
+                this.parentRef = this@ToggleButtonLayout
+            }
             addToggle(toggle)
         }
     }