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A Simple window in JavaFX which colors itself using the HexTime generated from current time
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import java.util.Calendar; | |
import java.util.HashMap; | |
import java.util.Map; | |
import javafx.animation.KeyFrame; | |
import javafx.animation.Timeline; | |
import javafx.application.Application; | |
import javafx.event.ActionEvent; | |
import javafx.event.EventHandler; | |
import javafx.scene.Scene; | |
import javafx.scene.control.Label; | |
import javafx.scene.layout.BorderPane; | |
import javafx.scene.text.Font; | |
import javafx.stage.Stage; | |
import javafx.util.Duration; | |
public class HexTime extends Application { | |
@Override | |
public void start(Stage primaryStage) throws Exception { | |
Scene scene = new Scene(getColoredPane(), 450, 500); | |
primaryStage.setTitle("Hexa Time"); | |
primaryStage.setScene(scene); | |
primaryStage.show(); | |
} | |
public BorderPane getColoredPane() { | |
BorderPane pane = new BorderPane(); | |
Label label = new Label(); | |
label.setFont(Font.font(20)); | |
Timeline timeline = new Timeline(); | |
timeline.setCycleCount(Timeline.INDEFINITE); | |
KeyFrame changeColor = new KeyFrame(Duration.seconds(1), | |
new EventHandler<ActionEvent>() { | |
public void handle(ActionEvent event) { | |
Map<String, String> colortime = generateColor(); | |
label.setText(colortime.get("time")); | |
label.setStyle("-fx-text-fill: white"); | |
pane.setStyle("-fx-background-color : " + colortime.get("color")); | |
} | |
}); | |
timeline.getKeyFrames().add(changeColor); | |
timeline.play(); | |
pane.setCenter(label); | |
return pane; | |
} | |
public Map<String, String> generateColor() { | |
int hour; | |
int min; | |
int sec; | |
Calendar cal; | |
String hexValue; | |
Map<String, String> map = new HashMap<String, String>(); | |
cal = Calendar.getInstance(); | |
hour = cal.get(Calendar.HOUR_OF_DAY); | |
min = cal.get(Calendar.MINUTE); | |
sec = cal.get(Calendar.SECOND); | |
// Color Code Production | |
hexValue = String.format("%02X%02X%02X", hour, min, sec); | |
map.put("color", "#" + hexValue); | |
map.put("time", "#" + String.format("%02d", hour) + String.format("%02d", min) + String.format("%02d", sec)); | |
return map; | |
} | |
public static void main(String[] args) { | |
launch(args); | |
} | |
} |
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Related Question - https://stackoverflow.com/questions/26040405/dynamic-hexclock-program