DriverTabPane.kt

package com.threelite.scraper.gui.view

import com.threelite.scraper.gui.controller.TabController
import javafx.collections.ObservableList
import javafx.scene.control.Tab
import kfoenix.jfxtabpane
import tornadofx.*

class DriverTabPane : View() {
    private val controller: TabController by inject()
    override val root = jfxtabpane {
        //        tabClosingPolicy = TabPane.TabClosingPolicy.SELECTED_TAB //TODO: do cleanup on close of tab
        controller.selectionModel = selectionModel

        bindTabs(tabs, controller.list) {
            Tab(it).apply {
                //TODO: add real UI
                vbox {
                    label(it)
                }
            }
        }

    }

    private inline fun <reified T> bindTabs(into: ObservableList<Tab>, list: ObservableList<T>, crossinline conversion: (T) -> Tab) {
        list.forEach { t ->
            val existing = into.find { it.properties["tracker"] == t }
            if (existing == null)
                into.add(
                        conversion(t).apply {
                            tag = t
                            properties["tracker"] = t
                        }
                )
        }
        list.onChange { c ->
            while (c.next()) {
                if (c.wasAdded()) {
                    c.addedSubList.forEach { t ->
                        val existing = into.find { it.properties["tracker"] == t }
                        if (existing == null)
                            into.add(
                                    conversion(t).apply {
                                        tag = t
                                        properties["tracker"] = t
                                    }
                            )
                    }
                }
                if (c.wasRemoved()) {
                    c.removed.forEach { t ->
                        into.removeIf { it.properties["tracker"] == t }
                    }
                }
            }
        }
    }
}