JavaFX FlowPane

JavaFX FlowPane is a subclass of Pane and it arranges its child nodes in a horizontal or vertical flow. The nodes are positioned in a left-to-right or top-to-bottom order, and if the space is filled, the nodes wrap to the next line or column.

FlowPane is ideal for visual elements that do not have a fixed size and can handle resizing without distorting the layout.

Features

• Dynamic layout: FlowPane handles resizing of the window by repositioning the child nodes along lines that run in the horizontal or vertical direction.
• Wrapping of nodes: When the space in the container is filled up, the child nodes overflow onto the next line or column depending on the orientation of the FlowPane.
• Easy to use: It is easy to add and remove child nodes from the FlowPane.
• Flexible: FlowPane supports a large number of properties that offer the programmer flexibility in customizing how the child nodes are positioned.

Creating a FlowPane

To create a FlowPane, you can use the following code:

FlowPane flowPane = new FlowPane();

This will create a new FlowPane with default values.

Adding Nodes to the FlowPane

To add nodes to a FlowPane, you can use the following code:

Node node = new Label("Hello World");
flowPane.getChildren().add(node);

This will add a new Label to the FlowPane.

Setting the Orientation of the FlowPane

To set the orientation of the FlowPane, you can use the setOrientation(Orientation orientation) method. For example:

flowPane.setOrientation(Orientation.VERTICAL);

This will set the orientation of the FlowPane to vertical.

Setting the Alignment of the FlowPane

To set the alignment of the FlowPane, you can use the setAlignment(Pos value) method. For example:

flowPane.setAlignment(Pos.CENTER);

This will set the alignment of the FlowPane to the center.

Adding Padding to the FlowPane

To add padding to the FlowPane, you can use the setPadding(Insets value) method. For example:

flowPane.setPadding(new Insets(10, 10, 10, 10));

This will add a padding of 10 pixels to the top, right, bottom, and left of the FlowPane.

Conclusion

JavaFX FlowPane is a flexible and easy to use layout container that simplifies the process of arranging child nodes in a horizontal or vertical flow. It is ideal for use in applications that need to handle dynamic layouts that can adapt to various window sizes while still retaining their structure.