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Author: ApressGryffinWinkler

Ch00_Util/build.gradle

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+plugins {
+    id 'java-library'
+    id 'org.jetbrains.kotlin.jvm' version '1.7.10'
+	id 'org.openjfx.javafxplugin' version '0.0.13'
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+}
+
+compileKotlin {
+	kotlinOptions {
+		suppressWarnings = true
+		jvmTarget = "17"
+	}
+} 
+
+javafx {
+	version = "19"
+	modules("javafx.controls", "javafx.graphics")
+}

Ch00_Util/src/main/kotlin/book/kotlinfx/util/util.kt

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+package book.kotlinfx.util
+
+import javafx.scene.control.*
+import javafx.beans.property.StringProperty
+import javafx.beans.property.SimpleStringProperty
+import javafx.beans.binding.StringExpression
+import javafx.beans.property.ReadOnlyStringProperty
+import javafx.scene.layout.Region
+import javafx.scene.layout.GridPane
+import javafx.scene.layout.TilePane
+import javafx.geometry.Orientation
+import javafx.beans.Observable
+import javafx.beans.value.ObservableValue
+import javafx.scene.text.Text
+import javafx.beans.binding.Bindings
+import javafx.beans.property.DoubleProperty
+import javafx.beans.property.Property
+import javafx.beans.property.BooleanProperty
+import javafx.scene.Node
+import javafx.event.Event
+import javafx.event.EventHandler
+
+fun HSTRUT(s:Int) = Region().apply{prefWidth=s.toDouble(); minWidth=s.toDouble()}
+fun VSTRUT(s:Int) = Region().apply{prefHeight=s.toDouble(); minHeight=s.toDouble()}
+
+fun Button(label: String, action: Button.() -> Unit): Button =
+	Button(label).apply {
+		setOnAction { _ -> action() }
+	}
+
+fun Label(p:StringExpression):Label = Label().apply{
+	textProperty().bind(p)
+}
+
+fun MenuItem(label: String, action: MenuItem.() -> Unit): MenuItem =
+	MenuItem(label).apply {
+		setOnAction { _ -> action() }
+	}
+
+fun GridPane(hgap:Double, vgap:Double): GridPane =
+	GridPane().apply {
+		this.hgap = hgap
+		this.vgap = vgap
+	}
+
+fun GridPane(hgap:Int, vgap:Int): GridPane =
+	GridPane(hgap.toDouble(), vgap.toDouble())
+
+fun TilePane(hgap:Double, vgap:Double): TilePane =
+	TilePane().apply {
+		this.hgap = hgap
+		this.vgap = vgap
+	}
+
+fun TilePane(hgap:Int, vgap:Int): TilePane =
+	TilePane(hgap.toDouble(), vgap.toDouble() )
+
+fun TilePane(orientation:Orientation, hgap:Double, vgap:Double): TilePane =
+	TilePane(orientation).apply {
+		this.hgap = hgap
+		this.vgap = vgap
+	}
+
+fun TilePane(orientation:Orientation, hgap:Int, vgap:Int): TilePane =
+	TilePane(orientation, hgap.toDouble(), vgap.toDouble())
+
+fun Text(observable:ObservableValue<String>) = Text().apply{ textProperty().bind(observable) }
+
+// Allows for binding Double, ... properties as String observables
+fun bindingNumberToString(nmbr:Property<Number>) : ObservableValue<String> =
+	Bindings.createObjectBinding( { -> nmbr.value.toString() }, nmbr )
+
+fun TextField(sp:StringProperty) = TextField().apply { textProperty().bindBidirectional(sp) }
+fun TextArea(sp:StringProperty) = TextArea().apply { textProperty().bindBidirectional(sp) }
+fun CheckBox(bp:BooleanProperty) = CheckBox().apply { selectedProperty().bindBidirectional(bp) }
+
+fun ToggleGroup.addMyListener(listener: (value:String) -> Unit) {
+	selectedToggleProperty().addListener{_,_,newVal ->
+			listener(newVal.userData as String)
+	} 
+}
+
+fun ToggleGroup(listener: (value:String) -> Unit) = ToggleGroup().apply{ addMyListener(listener) }
+
+fun ToggleGroup.selectToggle(id:String) {
+	selectToggle( toggles.find { it -> it.userData == id } )
+}
+
+fun RadioButton(id:String, label:String, toggleGroup:ToggleGroup) = RadioButton(label).apply{
+	toggleGroup.toggles.add(this)
+	this.userData = id
+}
+
+fun Accordion(pane1:Pair<String,Node>, vararg panes:Pair<String,Node>) = Accordion().apply{
+	listOf(pane1,*panes).forEach{ pp ->
+		this.panes.add(TitledPane(pp.first,pp.second))
+	}
+}
+
+fun TabPane(pane1:Pair<String,Node>, vararg panes:Pair<String,Node>) = TabPane().apply{
+	listOf(pane1,*panes).forEach{ pp ->
+		this.tabs.add(Tab(pp.first,pp.second))
+	}
+}
+
+fun <T : Event> EH(clos:(event:T) -> Unit): EventHandler<T> = object : EventHandler<T>{ override fun handle(event:T){
+	clos(event)
+}}

Ch01_Intro/build.gradle

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+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '1.7.10'
+    id 'application'
+	id 'org.openjfx.javafxplugin' version '0.0.13'
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+  implementation project(':Ch00_Util')
+}
+
+application {
+    mainClass = 'book.kotlinfx.ch01.AppKt'
+}
+
+compileKotlin {
+	kotlinOptions {
+		suppressWarnings = true
+		jvmTarget = "17"
+	}
+} 
+
+javafx {
+	version = "19"
+	modules("javafx.controls", "javafx.fxml", "javafx.graphics")
+}

Ch01_Intro/src/main/kotlin/book/kotlinfx/ch01/App.kt

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+package book.kotlinfx.ch01
+
+import javafx.application.Application
+import javafx.event.ActionEvent
+import javafx.event.EventHandler
+import javafx.scene.Scene
+import javafx.scene.control.Button
+import javafx.scene.layout.StackPane
+import javafx.stage.Stage
+
+import book.kotlinfx.util.* // from Ch00_Util
+
+fun main(args:Array<String>) {
+	Application.launch(HelloWorld::class.java, *args)
+}
+ 
+class HelloWorld : Application() {
+	override
+	fun start(primaryStage:Stage) {
+		primaryStage.title = "Hello World!"
+
+//		val btn = Button().apply { 
+//		    text = "Say 'Hello World'"
+//		    setOnAction { _ ->
+//		        println("Hello World!")
+//		    }
+//		}
+//		val btn = Button("Say 'Hello World'").apply { 
+//		    setOnAction { _ ->
+//		        println("Hello World!")
+//		    }
+//		}
+		val btn = Button("Say 'Hello World'"){
+		    println("Hello World!")
+		}
+		
+		val root = StackPane().apply {
+		    children.add(btn)
+		}
+		
+		with(primaryStage){
+		    scene = Scene(root, 300.0, 250.0)
+		    show()
+		}
+	}
+}

Ch01_Intro/src/main/kotlin/book/kotlinfx/ch01/AppFXML.kt

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+package book.kotlinfx.ch01
+
+import javafx.application.Application
+import javafx.event.ActionEvent
+import javafx.event.EventHandler
+import javafx.scene.Scene
+import javafx.scene.control.Button
+import javafx.scene.text.Text
+import javafx.scene.layout.StackPane
+import javafx.stage.Stage
+import javafx.fxml.FXMLLoader
+import javafx.scene.layout.Pane
+import javafx.fxml.FXML
+import java.lang.SuppressWarnings
+
+fun main(args:Array<String>) {
+	Application.launch(HelloWorldFXML::class.java, *args)
+}
+ 
+class MyController {
+	@FXML var actiontarget:Text? = null
+	  
+	@Suppress("UNUSED_PARAMETER")
+    @FXML fun handleButtonAction( event:ActionEvent) {
+        actiontarget?.setText("Sign in button pressed")
+    }
+}
+
+/**
+ * If you want to test this, you must set
+ *    application {
+ *         mainClass = 'book.kotlinfx.ch01.AppFXMLKt'
+ *    }
+ * in build.gradle
+ */
+class HelloWorldFXML : Application() {
+	override
+	fun start(primaryStage:Stage) {
+        primaryStage.title = "Hello World!"
+
+		val location = this::class.java.classLoader.getResource("helloworld.fxml")
+		println(location)
+        //val resources = ResourceBundle.getBundle("com.foo.example")
+        val fxmlLoader = FXMLLoader(location) //, resources);
+
+        val root = fxmlLoader.load<Pane>()
+        //val controller = fxmlLoader.getController<MyController>();
+		
+        with(primaryStage){
+            scene = Scene(root, 300.0, 250.0)
+            show()
+        }
+	}
+}

Ch01_Intro/src/main/resources/helloworld.fxml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import java.net.*?>
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.text.*?>
+
+<GridPane fx:controller="book.kotlinfx.ch01.MyController" 
+        xmlns:fx="http://javafx.com/fxml" alignment="center" hgap="10" vgap="10">
+  <padding><Insets top="25" right="25" bottom="10" left="25"/></padding>
+    <HBox spacing="10" alignment="bottom_right" 
+        GridPane.columnIndex="1" GridPane.rowIndex="2">
+        <Button text="Click me"     
+        onAction="#handleButtonAction"/>
+    </HBox>
+
+    <Text fx:id="actiontarget"
+       GridPane.columnIndex="1" GridPane.rowIndex="4"/>    
+
+</GridPane>

Ch02_Properties/build.gradle

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+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '1.7.10'
+    id 'application'
+	id 'org.openjfx.javafxplugin' version '0.0.13'
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+  implementation project(':Ch00_Util')
+}
+
+application {
+    mainClass = 'book.kotlinfx.ch02.AppKt'
+    //mainClass = 'book.kotlinfx.ch02.AppWithViewModelKt'
+}
+
+compileKotlin {
+	kotlinOptions {
+		suppressWarnings = true
+		jvmTarget = "17"
+	}
+} 
+
+javafx {
+	version = "19"
+	modules("javafx.controls", "javafx.fxml", "javafx.graphics")
+}