Front-End Programming Exam  >  Front-End Programming Videos  >  JavaFX Java GUI: Learn to build Powerful Applications  >  JavaFX Java GUI Tutorial - 13 - Listening for Selection Changes

JavaFX Java GUI Tutorial - 13 - Listening for Selection Changes Video Lecture | JavaFX Java GUI: Learn to build Powerful Applications - Front-End Programming

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FAQs on JavaFX Java GUI Tutorial - 13 - Listening for Selection Changes Video Lecture - JavaFX Java GUI: Learn to build Powerful Applications - Front-End Programming

1. How can I listen for selection changes in a JavaFX GUI?
Ans. To listen for selection changes in a JavaFX GUI, you can use the setOnMouseClicked or setOnAction method on the GUI component that you want to track. These methods allow you to attach event listeners that will be triggered when a selection is changed.
2. Can I listen for selection changes on multiple GUI components at once?
Ans. Yes, you can listen for selection changes on multiple GUI components at once. You can attach the same event listener to multiple components using the setOnMouseClicked or setOnAction method. This way, the same listener will be triggered when a selection is changed on any of the attached components.
3. How can I access the selected item after a selection change event is triggered?
Ans. After a selection change event is triggered, you can access the selected item by using the getSelectedItem method on the GUI component that triggered the event. This method will return the selected item, which you can then use in your code for further processing or display.
4. Can I prevent certain selections from being changed in a JavaFX GUI?
Ans. Yes, you can prevent certain selections from being changed in a JavaFX GUI. You can use the setDisable method on the GUI component to disable or enable certain selections based on your logic. By disabling a selection, the user will not be able to change it, even if they interact with the GUI component.
5. Are there any other event listeners available for tracking selection changes in JavaFX?
Ans. Yes, apart from the setOnMouseClicked and setOnAction methods, there are other event listeners available for tracking selection changes in JavaFX. Some commonly used event listeners include setOnKeyPressed, setOnKeyReleased, setOnMousePressed, and setOnMouseReleased. These listeners can be used to track selection changes based on keyboard or mouse interactions with the GUI components.
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JavaFX Java GUI Tutorial - 13 - Listening for Selection Changes Video Lecture | JavaFX Java GUI: Learn to build Powerful Applications - Front-End Programming

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JavaFX Java GUI Tutorial - 13 - Listening for Selection Changes Video Lecture | JavaFX Java GUI: Learn to build Powerful Applications - Front-End Programming

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JavaFX Java GUI Tutorial - 13 - Listening for Selection Changes Video Lecture | JavaFX Java GUI: Learn to build Powerful Applications - Front-End Programming

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