Fixed Bugs

bubblenavigation/src/main/java/com/gauravk/bubblenavigation/BubbleNavigationLinearView

@@ -0,0 +1,148 @@
+package com.superTasker.frameworkdrivers.customWidgets
+
+import android.content.Context
+import android.graphics.Typeface
+import android.os.Bundle
+import android.util.AttributeSet
+import android.util.Log
+import android.view.Gravity
+import android.view.View
+import android.widget.LinearLayout
+import androidx.core.view.get
+import com.gauravk.bubblenavigation.BubbleToggleView
+import com.gauravk.bubblenavigation.listener.BubbleNavigationChangeListener
+import java.lang.IllegalStateException
+
+class BubbleNavigationLinearView :LinearLayout,View.OnClickListener{
+
+
+    private val CURRENT_ACTIVE_VIEW:String ="x.f"
+    private var currentActiveItemPosition: Int = 0
+    private val TAG = "BNLView"
+    private var navigationChangeListener: BubbleNavigationChangeListener? = null
+
+    constructor(context:Context,attrs:AttributeSet?):super(context,attrs) {
+        init()
+    }
+    constructor(context:Context):super(context) {
+        init()
+    }
+    constructor(context:Context,attrs:AttributeSet?,defStyleAttr:Int):super(context,attrs,defStyleAttr) {
+        init()
+    }
+    private fun init() {
+        orientation = HORIZONTAL
+        gravity = Gravity.CENTER
+    }
+
+    override fun  onFinishInflate() {
+        super.onFinishInflate()
+        checkViewsAreAllBubble()
+        setClickListenerForItems()
+        refreshActiveState()
+        updateMeasurementForItems()
+    }
+    private fun refreshActiveState() {
+        var foundActiveElement = false
+        for ( i:Int in 0 until childCount) {
+            val btv = this[i] as BubbleToggleView
+            if (btv.isActive && !foundActiveElement) {
+                foundActiveElement = true
+                this.currentActiveItemPosition = i
+            } else {
+                btv.setInitialState(false)
+            }
+        }
+        if (!foundActiveElement) {
+            (this[this.currentActiveItemPosition] as BubbleToggleView).setInitialState(true)
+        }
+    }
+
+    private fun updateMeasurementForItems() {
+        val numChildViews = childCount
+        if(numChildViews > 0) {
+            val calculatedEachItemWidth = (measuredWidth - (paddingRight + paddingLeft)) / numChildViews
+            for(i:Int in 0 until numChildViews) {
+                (this[i] as BubbleToggleView).updateMeasurements(calculatedEachItemWidth)
+            }
+        }
+
+    }
+
+    private fun checkViewsAreAllBubble() {
+        println("zzbc: $childCount" )
+        for( i:Int in 0 until childCount) {
+            val view:View = this[i]
+            val wrongView:Boolean = view !is BubbleToggleView
+            if(wrongView) {
+                throw IllegalStateException("only BubbleToggles are allowed")
+            }
+        }
+    }
+
+    private fun setClickListenerForItems() {
+        for(i:Int in 0 until childCount) {
+            (this[i] as BubbleToggleView).setOnClickListener(this)
+        }
+    }
+
+    private fun getItemPositionById(id: Int): Int {
+        for(i:Int in 0 until childCount) {
+            if(id == (this[i] as BubbleToggleView).id) {
+                return i
+            }
+        }
+        return -1
+    }
+
+    fun setNavigationChangeListener(navigationChangeListener: BubbleNavigationChangeListener) {
+        this.navigationChangeListener = navigationChangeListener
+        this.navigationChangeListener?.onNavigationChanged(this[currentActiveItemPosition],this.currentActiveItemPosition)
+    }
+
+    fun setTypeface(typeface: Typeface) {
+        for(i:Int in 0 until childCount) {
+            (this[i] as BubbleToggleView).setTitleTypeface(typeface)
+        }
+    }
+
+
+    fun getCurrentActiveItemPosition(): Int {
+        return currentActiveItemPosition
+    }
+
+    fun setCurrentActiveItem(position: Int) {
+        if (currentActiveItemPosition == position) return
+        if (position < 0 || position >= this.childCount)
+            return
+        val btv:BubbleToggleView =( this[(position)] as BubbleToggleView)
+        btv.performClick()
+    }
+
+    override fun onClick(view:View?) {
+        println("clicked ")
+        val changedPosition = getItemPositionById(view?.id!!)
+        if (changedPosition >= 0) {
+            if (changedPosition == currentActiveItemPosition) {
+                return
+            }
+            val currentActiveToggleView:BubbleToggleView = this[(currentActiveItemPosition)] as BubbleToggleView
+            val newActiveToggleView = this[(changedPosition)] as BubbleToggleView
+            currentActiveToggleView.toggle()
+            newActiveToggleView.toggle()
+            //changed the current active position
+            currentActiveItemPosition = changedPosition
+            navigationChangeListener?.onNavigationChanged(view, currentActiveItemPosition)
+        } else {
+            Log.w(TAG, "Selected id not found! Cannot toggle")
+        }
+    }
+
+    fun onSaveInstanceState(bundle: Bundle) {
+        bundle.putInt(CURRENT_ACTIVE_VIEW,currentActiveItemPosition)
+    }
+
+    fun onRestoreInstanceState(bundle: Bundle) {
+        val currentActiveView = bundle.getInt(CURRENT_ACTIVE_VIEW,0)
+        setCurrentActiveItem(currentActiveView)
+    }