Add single selection

app/src/main/java/net/pokeranalytics/android/ui/fragment/GraphFragment.kt

@@ -13,6 +13,7 @@ import com.github.mikephil.charting.data.LineDataSet
 import com.github.mikephil.charting.highlight.Highlight
 import com.github.mikephil.charting.listener.OnChartValueSelectedListener
 import com.google.android.material.chip.Chip
+import com.google.android.material.chip.ChipGroup
 import kotlinx.android.synthetic.main.fragment_evograph.*
 import net.pokeranalytics.android.R
 import net.pokeranalytics.android.calculus.GraphType
@@ -21,7 +22,9 @@ import net.pokeranalytics.android.ui.activity.components.PokerAnalyticsActivity
 import net.pokeranalytics.android.ui.fragment.components.PokerAnalyticsFragment
 import net.pokeranalytics.android.ui.graph.setStyle
 import net.pokeranalytics.android.ui.view.LegendView
+import net.pokeranalytics.android.util.extensions.ChipGroupExtension
 import net.pokeranalytics.android.util.extensions.px
+import net.pokeranalytics.android.util.extensions.toast
 
 interface GraphDataSource {
 
@@ -109,9 +112,12 @@ class GraphFragment : PokerAnalyticsFragment(), OnChartValueSelectedListener {
 			this.chipGroup.addView(chip)
 		}
 
-		this.chipGroup.setOnCheckedChangeListener { group, i ->
-
-		}
+		this.chipGroup.setOnCheckedChangeListener(object : ChipGroupExtension.SingleSelectionOnCheckedListener() {
+			override fun onCheckedChanged(group: ChipGroup, checkedId: Int) {
+				super.onCheckedChanged(group, checkedId)
+				toast("Show: ${stat.aggregationTypes[group.getChildAt(checkedId).id].name}")
+			}
+		})
 
 		this.chipGroup.check(this.stat.aggregationTypes.first().ordinal)
 	}
@@ -144,7 +150,6 @@ class GraphFragment : PokerAnalyticsFragment(), OnChartValueSelectedListener {
 //				this.text.text = ""
 
 
-
 			}
 		}
 

app/src/main/java/net/pokeranalytics/android/util/extensions/ChipGroupExtension.kt

@@ -0,0 +1,16 @@
+package net.pokeranalytics.android.util.extensions
+
+import com.google.android.material.chip.ChipGroup
+
+class ChipGroupExtension {
+
+	open class SingleSelectionOnCheckedListener : ChipGroup.OnCheckedChangeListener {
+		override fun onCheckedChanged(group: ChipGroup, checkedId: Int) {
+			for (i in 0 until group.childCount) {
+				val chip = group.getChildAt(i)
+				chip.isClickable = chip.id != group.checkedChipId
+			}
+		}
+	}
+
+}