Fixes an issue where launching 2 reports was possible making the UI blocked

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

@@ -42,6 +42,8 @@ open class ComposableTableReportFragment : RealmFragment(), StaticRowRepresentab
 	private var statsAdapter: RowRepresentableAdapter? = null
 	var report: Report? = null
 
+	private var hasComputationInProgress: Boolean = false
+
 	companion object {
 
 		/**
@@ -168,6 +170,11 @@ open class ComposableTableReportFragment : RealmFragment(), StaticRowRepresentab
 
 	override fun onRowSelected(position: Int, row: RowRepresentable, fromAction: Boolean) {
 
+		if (this.hasComputationInProgress) {
+			return
+		}
+		this.hasComputationInProgress = true
+
 		val cr = getRealm().where(ComputableResult::class.java).findAll()
 		if (cr.size < 2) {
 			Toast.makeText(context, R.string.less_then_2_values_for_display, Toast.LENGTH_LONG).show()
@@ -223,6 +230,7 @@ open class ComposableTableReportFragment : RealmFragment(), StaticRowRepresentab
 					throw PAIllegalStateException("Report should never be null here")
 				}
 			}
+			hasComputationInProgress = false
 		}
 	}