@Override
public void start(Stage primaryStage) throws Exception {
// UI fields
VBox mainBox = new VBox();
sequenceField = new TextField(myLabels.TEXTAREA_SEQUENCE);
bracketField = new TextField(myLabels.TEXTAREA_BRACKET);
HBox buttonBox = new HBox();
Button computeButton = new Button(myLabels.BUTTON_COMPUTE);
Button drawButton = new Button(myLabels.BUTTON_DRAW);
CheckBox animateChecker = new CheckBox(myLabels.CHECKBOX_ANIMATE);
drawPane = new Pane();
buttonBox.getChildren().addAll(computeButton, drawButton, animateChecker);
mainBox.getChildren().addAll(sequenceField, bracketField, buttonBox, drawPane);
// Compute Button disable
sequenceField
.textProperty()
.addListener(
(observable, oldValue, newValue) -> {
if (newValue.length() == 0) {
computeButton.setDisable(true);
} else {
computeButton.setDisable(false);
}
});
// Animate Checkbox
animateChecker.setOnAction(
(value) -> {
if (animateChecker.isSelected() != isAnimated) {
isAnimated = animateChecker.isSelected();
// set Eventhandler für Drag & Drop
for (Circle currentCircle : circleList) {
currentCircle.setOnMousePressed(isAnimated ? circleOnMousePressedEventHandler : null);
currentCircle.setOnMouseDragged(isAnimated ? circleOnMouseDraggedEventHandler : null);
currentCircle.setOnMouseReleased(
isAnimated ? circleOnMouseReleasedEventHandler : null);
}
}
});
// computeButton
computeButton.setOnAction(
(value) -> {
bracketField.setText(new Nussinov(sequenceField.getText()).getBracketNotation());
});
// drawButton
drawButton.setOnAction(
(value) -> {
Graph myGraph = new Graph();
try {
myGraph.parseNotation(bracketField.getText());
} catch (IOException e) {
Alert alert = new Alert(Alert.AlertType.ERROR);
alert.setTitle(myLabels.ALERT_TITLE);
alert.setHeaderText(myLabels.ALTERT_MESSAGE);
alert.setContentText(bracketField.getText());
alert.showAndWait();
}
coordsRepresentation[0] =
SpringEmbedder.computeSpringEmbedding(
iterations, myGraph.getNumberOfNodes(), myGraph.getEdges(), null);
SpringEmbedder.centerCoordinates(coordsRepresentation[0], 50, 550, 50, 550);
drawShapes(
drawPane, coordsRepresentation[0], myGraph.getEdges(), myGraph.getNumberOfNodes());
});
// prepare scene
Scene scene = new Scene(mainBox, 600, 800);
primaryStage.setScene(scene);
primaryStage.setTitle(myLabels.CAPTION);
// show scene
primaryStage.show();
}