How to use specific part of output of one method into other? - javafx

Question

i am working on an application. example code is given below
public class Main extends Application
{
private BorderPane border;
#Override
public void start(Stage primaryStage)
{
//Displaying all the functions in Scene
border = new BorderPane();
Scene scene = new Scene(border,750,500);
primaryStage.setTitle("BorderPane");
primaryStage.setScene(scene);
primaryStage.show();
//Fall-Tree Root Item
TreeItem<String> tree = new TreeItem<String>("Library");
TreeItem<String> item1 = new TreeItem<String>("Module");
TreeItem<String> item1Child = new TreeItem<String>("MX");
item1.getChildren().add(item1Child);
TreeItem<String> item2 = new TreeItem<String>("Unite");
TreeItem<String> item2Child1 = new TreeItem<String>("UX");
TreeItem<String> item2Child2 = new TreeItem<String>("UY");
item2.getChildren().addAll(item2Child1,item2Child2);
item2.setExpanded(true);
TreeItem<String> item3 = new TreeItem<String>("Translate");
TreeItem<String> item3Child = new TreeItem<String>("TX");
item3.getChildren().add(item3Child);
TreeItem<String> item4 = new TreeItem<String>("Rotate");
TreeItem<String> item4Child = new TreeItem<String>("Rx");
item4.getChildren().add(item4Child);
tree.setExpanded(true);
tree.getChildren().addAll(item1,item2,item3,item4);
TreeView<String> treeView = new TreeView<String>(tree);
//Making Tree Editable
treeView.setEditable(true);
treeView.setCellFactory(TextFieldTreeCell.forTreeView());
//Assigning Leaf an Explorer View
VBox box1 = new VBox();
treeView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Object>() {
#Override
public void changed(ObservableValue<?> observable, Object oldValue, Object newValue) {
if (newValue == item2Child1) {
box1.getChildren().add(getrightPane1());
} else {
int i = box1.getChildren().size();
if (i > 0) {
box1.getChildren().remove(0);
}
}
}
});
// Main Branch
VBox box2 = new VBox();
treeView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<Object>() {
#Override
public void changed(ObservableValue<?> observable, Object oldValue, Object newValue) {
if (newValue == item2) {
box2.getChildren().add(getrightPane2());
} else {
int i = box2.getChildren().size();
if (i > 0) {
box2.getChildren().remove(0);
}
}
}
});
//Displaying all the Functions into border's center
VBox vbox =new VBox(2);
vbox.setPadding(new Insets(5));
VBox.setVgrow(treeView, Priority.ALWAYS);
vbox.getChildren().addAll(new Text("Fall Tree"),treeView);
HBox hb = new HBox();
hb.getChildren().addAll(vbox,box1,box2);
border.setCenter(hb);
}
//Method for 1st Leaf Explorer View
private BorderPane getrightPane1() {
BorderPane root = new BorderPane();
VBox vbox = new VBox(20);
vbox.setPadding(new Insets(10));
HBox h1 = new HBox(7);
HBox h2 = new HBox(7);
TextField textf1 = new TextField();
TextField textf2 = new TextField();
textf1.setPrefWidth(100);
textf1.setPromptText("Enter Height");
//Generating Rectangle's Height by providing Values in Output
textf1.setOnKeyReleased(new EventHandler<KeyEvent>(){
#Override
public void handle(KeyEvent event)
{
if(textf1.getText().length() > 0 && textf2.getText().length() > 0)
{
Rectangle rect = new Rectangle();
rect.setHeight(Double.parseDouble(textf1.getText()));
rect.setWidth(Double.parseDouble(textf2.getText()));
rect.setFill(null);
rect.setStroke(Color.RED);
root.setBottom(rect);
}
}
});
textf2.setPrefWidth(100);
textf2.setPromptText("Enter Width");
//Generating Rectangle's Width by providing Values in Output
textf2.setOnKeyReleased(new EventHandler<KeyEvent>(){
#Override
public void handle(KeyEvent event)
{
if(textf1.getText().length() > 0 && textf2.getText().length() > 0)
{
Rectangle rect = new Rectangle();
rect.setHeight(Double.parseDouble(textf1.getText()));
rect.setWidth(Double.parseDouble(textf2.getText()));
rect.setFill(null);
rect.setStroke(Color.RED);
root.setBottom(rect);
}
}
});
//Labels for TextFields
h1.getChildren().addAll(new Label("Y:"), textf1);
h2.getChildren().addAll(new Label("X:"), textf2);
vbox.getChildren().addAll(h1, h2);
root.setLeft(vbox);
return root;
}
//Method for Branch Explorer View
private HBox getrightPane2() {
HBox hbox = new HBox(20);
hbox.setAlignment(Pos.CENTER);
hbox.getChildren().addAll(getrightPane1());
return hbox;
}
/**
* #param args the command line arguments
*/
public static void main(String[] args)
{
launch(args);
}
}
This is how example code works
"If user put values in field provided in "UX" the rectangle is generated in UX.
But this rectangle vanish when user clicks onto any other branch."
The application should work like this
"If user put values into field in UX, Create Rectangle in UX and in Unite Branch."
Please have a look at method getrightPane2, due to getting all children of getrightPane1, fields are shown in Unite and with that user can create rectangle but that is not right. Only Rectangle created in UX should be shown in Unite nothing else. Please any hint would be fine.
Thank you

Answer 1

Try this code
public class Main extends Application{
private BorderPane border;
#Override
public void start(Stage primaryStage) {
// Displaying all the functions in Scene
border = new BorderPane();
Scene scene = new Scene(border, 750, 500);
primaryStage.setTitle("BorderPane");
primaryStage.setScene(scene);
primaryStage.show();
// Fall-Tree Root Item
TreeItem<String> tree = new TreeItem<String>("Library");
TreeItem<String> item1 = new TreeItem<String>("Module");
TreeItem<String> item1Child = new TreeItem<String>("MX");
item1.getChildren().add(item1Child);
TreeItem<String> item2 = new TreeItem<String>("Unite");
TreeItem<String> item2Child1 = new TreeItem<String>("UX");
System.out.println();
TreeItem<String> item2Child2 = new TreeItem<String>("UY");
item2.getChildren().addAll(item2Child1, item2Child2);
item2.setExpanded(true);
TreeItem<String> item3 = new TreeItem<String>("Translate");
TreeItem<String> item3Child = new TreeItem<String>("TX");
item3.getChildren().add(item3Child);
TreeItem<String> item4 = new TreeItem<String>("Rotate");
TreeItem<String> item4Child = new TreeItem<String>("Rx");
item4.getChildren().add(item4Child);
tree.setExpanded(true);
tree.getChildren().addAll(item1, item2, item3, item4);
TreeView<String> treeView = new TreeView<String>(tree);
// Making Tree Editable
treeView.setEditable(true);
treeView.setCellFactory(TextFieldTreeCell.forTreeView());
// Assigning Leaf an Explorer View
VBox box1 = new VBox();
treeView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<TreeItem>() {
#Override
public void changed(ObservableValue<? extends TreeItem> observable, TreeItem oldValue, TreeItem newValue) {
if (newValue.getValue().equals(item2Child1.getValue())) {
box1.getChildren().add(getrightPane1());
} else {
int i = box1.getChildren().size();
if (i > 0) {
box1.getChildren().remove(0);
}
}
}
});
// Main Branch
VBox box2 = new VBox();
treeView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<TreeItem>() {
#Override
public void changed(ObservableValue<? extends TreeItem> observable, TreeItem oldValue, TreeItem newValue) {
if (newValue.getValue().equals(item2.getValue())) {
box2.getChildren().add(getrightPane2());
} else {
int i = box2.getChildren().size();
if (i > 0) {
box2.getChildren().remove(0);
}
}
}
});
// Displaying all the Functions into border's center
VBox vbox = new VBox(2);
vbox.setPadding(new Insets(5));
VBox.setVgrow(treeView, Priority.ALWAYS);
vbox.getChildren().addAll(new Text("Fall Tree"), treeView);
HBox hb = new HBox();
hb.getChildren().addAll(vbox, box1, box2);
border.setCenter(hb);
}
TextField textf1 = new TextField();
TextField textf2 = new TextField();
BorderPane root = new BorderPane();
// Method for 1st Leaf Explorer View
private BorderPane getrightPane1() {
VBox vbox = new VBox(20);
vbox.setPadding(new Insets(10));
HBox h1 = new HBox(7);
HBox h2 = new HBox(7);
textf1.setPrefWidth(100);
textf1.setPromptText("Enter Height");
// Generating Rectangle's Height by providing Values in Output
textf1.setOnKeyReleased(new EventHandler<KeyEvent>() {
#Override
public void handle(KeyEvent event) {
if (textf1.getText().length() > 0 && textf2.getText().length() > 0) {
Rectangle rect = new Rectangle();
rect.setHeight(Double.parseDouble(textf1.getText()));
rect.setWidth(Double.parseDouble(textf2.getText()));
rect.setFill(null);
rect.setStroke(Color.RED);
root.setBottom(rect);
}
}
});
textf2.setPrefWidth(100);
textf2.setPromptText("Enter Width");
// Generating Rectangle's Width by providing Values in Output
textf2.setOnKeyReleased(new EventHandler<KeyEvent>() {
#Override
public void handle(KeyEvent event) {
if (textf1.getText().length() > 0 && textf2.getText().length() > 0) {
Rectangle rect = new Rectangle();
rect.setHeight(Double.parseDouble(textf1.getText()));
rect.setWidth(Double.parseDouble(textf2.getText()));
rect.setFill(null);
rect.setStroke(Color.RED);
root.setBottom(rect);
}
}
});
// Labels for TextFields
h1.getChildren().addAll(new Label("Y:"), textf1);
h2.getChildren().addAll(new Label("X:"), textf2);
vbox.getChildren().addAll(h1, h2);
root.setLeft(vbox);
return root;
}
// Method for Branch Explorer View
private HBox getrightPane2() {
HBox hbox = new HBox(20);
hbox.setAlignment(Pos.CENTER);
hbox.setPadding(new Insets(20));
System.out.println(textf1.getText());
if (!textf1.getText().equals("") && !textf2.getText().equals("")) {
Rectangle rectangle = new Rectangle();
rectangle.setHeight(Double.parseDouble(textf1.getText()));
rectangle.setWidth(Double.parseDouble(textf2.getText()));
rectangle.setFill(null);
rectangle.setStroke(Color.RED);
hbox.getChildren().addAll(rectangle);
} else {
Alert alert = new Alert(AlertType.INFORMATION, "First fill the UX Field");
alert.show();
}
return hbox;
}
/**
* #param args
* the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}