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Exercícios de JavaFX
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‎exercicios-javafx/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-12">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="con" path="org.eclipse.jdt.USER_LIBRARY/JavaFX13">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="lib" path="lib/controlsfx-11.0.1.jar">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="output" path="bin"/>
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</classpath>

‎exercicios-javafx/.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>exercicios-javafx</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>

‎exercicios-javafx/.settings/org.eclipse.jdt.core.prefs‎

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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=12
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=12
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
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org.eclipse.jdt.core.compiler.release=enabled
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org.eclipse.jdt.core.compiler.source=12

‎exercicios-javafx/lib/controlsfx-11.0.1.jar‎

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‎exercicios-javafx/src/basico/Contador.css‎

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.conteudo {
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-fx-background-color: #000;
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-fx-font-family: Oswald;
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}
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.titulo {
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-fx-text-fill: #48b2ee;
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-fx-font-size: 36px;
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}
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.numero {
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-fx-text-fill: #eee;
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-fx-font-size: 28px;
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}
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.botoes {
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-fx-background-color: #fff;
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-fx-text-fill: #48b2ee;
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-fx-font-size: 28px;
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-fx-min-width: 60px;
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-fx-min-height: 60px;
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-fx-background-radius: 30px;
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}
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.verde {
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-fx-text-fill: #4bdb82;
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}
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.vermelho {
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-fx-text-fill: #ee4139;
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}

‎exercicios-javafx/src/basico/Contador.java‎

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package basico;
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import javafx.application.Application;
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import javafx.geometry.Pos;
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import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.control.Label;
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import javafx.scene.layout.HBox;
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import javafx.scene.layout.VBox;
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import javafx.stage.Stage;
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public class Contador extends Application {
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private int contador = 0;
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private void atualizarLabelNumero(Label label) {
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label.setText(Integer.toString(contador));
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label.getStyleClass().remove("verde");
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label.getStyleClass().remove("vermelho");
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if(contador > 0) {
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label.getStyleClass().add("verde");
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} else if(contador < 0) {
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label.getStyleClass().add("vermelho");
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}
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}
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@Override
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public void start(Stage primaryStage) throws Exception {
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Label labelTitulo = new Label("Contador");
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labelTitulo.getStyleClass().add("titulo");
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Label labelNumero = new Label("0");
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labelNumero.getStyleClass().add("numero");
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Button botaoDecremento = new Button("-");
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botaoDecremento.getStyleClass().add("botoes");
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botaoDecremento.setOnAction(e -> {
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contador--;
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atualizarLabelNumero(labelNumero);
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});
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Button botaoIncremento = new Button("+");
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botaoIncremento.getStyleClass().add("botoes");
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botaoIncremento.setOnAction(e -> {
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contador++;
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atualizarLabelNumero(labelNumero);
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});
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HBox boxBotoes = new HBox();
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boxBotoes.setAlignment(Pos.CENTER);
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boxBotoes.setSpacing(10);
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boxBotoes.getChildren().add(botaoDecremento);
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boxBotoes.getChildren().add(botaoIncremento);
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VBox boxConteudo = new VBox();
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boxConteudo.getStyleClass().add("conteudo");
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boxConteudo.setSpacing(10);
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boxConteudo.setAlignment(Pos.CENTER);
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boxConteudo.getChildren().add(labelTitulo);
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boxConteudo.getChildren().add(labelNumero);
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boxConteudo.getChildren().add(boxBotoes);
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String caminhoDoCss = getClass()
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.getResource("/basico/Contador.css").toExternalForm();
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Scene cenaPrincipal = new Scene(boxConteudo, 400, 400);
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cenaPrincipal.getStylesheets().add(caminhoDoCss);
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cenaPrincipal.getStylesheets().add("https://fonts.googleapis.com/css?family=Oswald");
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primaryStage.setScene(cenaPrincipal);
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primaryStage.show();
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}
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public static void main(String[] args) {
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launch(args);
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}
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}

‎exercicios-javafx/src/basico/PrimeiroFX.java‎

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package basico;
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import javafx.application.Application;
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import javafx.geometry.Pos;
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import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.layout.HBox;
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import javafx.stage.Stage;
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public class PrimeiroFX extends Application {
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@Override
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public void start(Stage primaryStage) throws Exception {
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Button botaoA = new Button("A");
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Button botaoB = new Button("B");
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Button botaoC = new Button("C");
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botaoA.setOnAction(e -> System.out.println("A"));
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botaoB.setOnAction(e -> System.out.println("B"));
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botaoC.setOnAction(e -> System.exit(0));
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HBox box = new HBox();
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box.setAlignment(Pos.CENTER);
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box.setSpacing(10);
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box.getChildren().add(botaoA);
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box.getChildren().add(botaoB);
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box.getChildren().add(botaoC);
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Scene unicaCena = new Scene(box, 150, 100);
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primaryStage.setScene(unicaCena);
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primaryStage.show();
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}
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public static void main(String[] args) {
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launch(args);
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}
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}

‎exercicios-javafx/src/basico/Wizard.java‎

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package basico;
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import javafx.application.Application;
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import javafx.geometry.Pos;
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import javafx.scene.Scene;
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import javafx.scene.control.Button;
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import javafx.scene.layout.HBox;
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import javafx.stage.Stage;
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public class Wizard extends Application {
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private Stage janela;
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private Scene passo1;
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private Scene passo2;
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private Scene passo3;
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@Override
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public void start(Stage primaryStage) throws Exception {
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janela = primaryStage;
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criarPasso1();
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criarPasso2();
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criarPasso3();
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janela.setScene(passo1);
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janela.setTitle("Wizard :: Passo 01");
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janela.show();
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}
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private void criarPasso1() {
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Button proximoPasso = new Button("Ir p/ Passo 2 >>");
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proximoPasso.setOnAction(e -> {
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janela.setScene(passo2);
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janela.setTitle("Wizard :: Passo 02");
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});
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HBox box = new HBox();
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box.setAlignment(Pos.CENTER);
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box.getChildren().add(proximoPasso);
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passo1 = new Scene(box, 400, 400);
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}
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private void criarPasso2() {
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Button passoAnterior = new Button("<< Voltar p/ Passo 1");
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passoAnterior.setOnAction(e -> {
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janela.setScene(passo1);
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janela.setTitle("Wizard :: Passo 01");
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});
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Button proximoPasso = new Button("Ir p/ Passo 3 >>");
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proximoPasso.setOnAction(e -> {
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janela.setScene(passo3);
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janela.setTitle("Wizard :: Passo 03");
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});
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HBox box = new HBox();
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box.setAlignment(Pos.CENTER);
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box.getChildren().add(passoAnterior);
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box.getChildren().add(proximoPasso);
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passo2 = new Scene(box, 400, 400);
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}
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private void criarPasso3() {
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Button passoAnterior = new Button("<< Voltar p/ Passo 2");
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passoAnterior.setOnAction(e -> {
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janela.setScene(passo2);
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});
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Button proximoPasso = new Button("Finalizar!");
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proximoPasso.setOnAction(e -> {
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System.exit(0);
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});
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HBox box = new HBox();
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box.setAlignment(Pos.CENTER);
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box.getChildren().add(passoAnterior);
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box.getChildren().add(proximoPasso);
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passo3 = new Scene(box, 400, 400);
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}
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public static void main(String[] args) {
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launch(args);
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}
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}

‎exercicios-javafx/src/calculadora/App.java‎

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package calculadora;
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import javafx.application.Application;
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import javafx.scene.Scene;
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import javafx.scene.paint.Color;
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import javafx.scene.text.Font;
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import javafx.stage.Stage;
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import javafx.stage.StageStyle;
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public class App extends Application {
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private double posX = 0;
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private double posY = 0;
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@Override
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public void start(Stage primaryStage) throws Exception {
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Font.loadFont(getClass().getResource("/calculadora/Roboto.ttf").toExternalForm(), 10);
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String css = getClass().getResource("/calculadora/Calculadora.css").toExternalForm();
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Scene principal = new Scene(new Calculadora(), 230, 320);
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principal.setFill(Color.TRANSPARENT);
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principal.getStylesheets().add(css);
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principal.setOnMousePressed(event -> {
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posX = primaryStage.getX() - event.getScreenX();
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posY = primaryStage.getY() - event.getScreenY();
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});
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principal.setOnMouseDragged(e -> {
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primaryStage.setX(e.getScreenX() + posX);
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primaryStage.setY(e.getScreenY() + posY);
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});
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primaryStage.setScene(principal);
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primaryStage.initStyle(StageStyle.TRANSPARENT);
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primaryStage.show();
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}
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public static void main(String[] args) {
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launch(args);
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}
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}

‎exercicios-javafx/src/calculadora/BarraTitulo.java‎

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package calculadora;
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import javafx.scene.control.Button;
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import javafx.scene.layout.HBox;
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public class BarraTitulo extends HBox {
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private Button botaoFechar = new Button("");
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public BarraTitulo() {
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getStyleClass().add("barra-titulo");
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botaoFechar.setOnAction(e -> System.exit(0));
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setOnMouseEntered(e -> botaoFechar.setText("×"));
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setOnMouseExited(e -> botaoFechar.setText(""));
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botaoFechar.getStyleClass().add("botao-fechar");
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getChildren().add(botaoFechar);
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}
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}

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