override fun customizeCellRenderer()

in code/debugger/src/main/kotlin/org/fbme/debugger/common/ui/DebuggerPanel.kt [339:387]
44 lines of code
2 McCabe index (conditional complexity)

            override fun customizeCellRenderer(
                traceItems: JList<out TraceItem>,
                traceItem: TraceItem,
                index: Int,
                isSelected: Boolean,
                hasFocus: Boolean,
            ) {
                val (state, path, change) = traceItem

                val nLen = statesListModel.size.toString().length
                val nPadding = nLen * 10 + 12
                val changePadding = nPadding + 100
                if (traceItem.synced) {
                    append("$index", SimpleTextAttributes.REGULAR_BOLD_ATTRIBUTES, nPadding, 2)
                } else {
                    append("$index", SimpleTextAttributes.GRAYED_BOLD_ATTRIBUTES, nPadding, 2)
                }
                when (change) {
                    is InitialChange -> {
                        append("Initial State", SimpleTextAttributes.REGULAR_ATTRIBUTES)
                    }

                    is InputEventChange -> {
                        val name = change.eventName
                        val value = state.resolveValue(path.plus(change.eventName)) ?: "???"
                        append("Input Event", SimpleTextAttributes.REGULAR_ATTRIBUTES, changePadding, 2)
                        append("${path.plus(name).joinToString(".")} → $value", SimpleTextAttributes.REGULAR_ATTRIBUTES)
                    }

                    is OutputEventChange -> {
                        val name = change.eventName
                        val value = state.resolveValue(path.plus(change.eventName)) ?: "???"
                        append("Output Event", SimpleTextAttributes.REGULAR_ATTRIBUTES, changePadding, 2)
                        append("${path.plus(name).joinToString(".")} → $value", SimpleTextAttributes.REGULAR_ATTRIBUTES)
                    }

                    is StateChange -> {
                        append("ECC State", SimpleTextAttributes.REGULAR_ATTRIBUTES, changePadding, 2)
                        append(
                            "${path.plus("\$ECC").joinToString(".")} → ${change.state}",
                            SimpleTextAttributes.REGULAR_ATTRIBUTES
                        )
                    }

                    is ComplexChange -> {
                        append("Complex change", SimpleTextAttributes.REGULAR_ATTRIBUTES, changePadding, 2)
                    }
                }
            }