Introduction Defines a function to be called when a mouse button has been clicked (pressed and released) on this Node. I wrote them in fxml as it makes the layouts easy to preview in SceneBuilder. JavaFX Button onMouseClickedProperty () Defines a function to be called when a mouse button has been clicked (pressed and released) on this Node. Here are a few FXML samples of your layout that you can load up into SceneBuilder to see how the different layout options work.Īll of the samples below can easily be written in plain java using the JavaFX API if you prefer. tVgrow(bottomSpring, Priority.ALWAYS) Ĭalling tAlignment(Pos.BOTTOM_CENTER) sets the alignment of things (text and graphic) within the closeButton, not the alignment of the closeButton within it's parent (which is what you really want).įor understanding how layout constraints work, SceneBuilder is a good tool to play around with and ScenicView can help debug layout issues in existing code. build(), xSize, ySize, backgroundColor) children(topSpring, new Text(text), bottomSpring, closeButton) Scene aboutDialogScene = new Scene(VBoxBuilder.create() Sample spring region: Region topSpring = new Region() Use a spring region which is an empty Region which expands to fill empty space.Use an AnchorPane instead of a VBox and set constraints on the AnchorPane appropriately.Use a StackPane instead of a VBox and align your button with tAlignment(closeButton, Pos.BOTTOM_CENTER).The children don't expand to fill all of the available vertical area, unless you set a Vgrow constraint on a child with an unbounded max height.Ī few different ways you can get the layout you seek (there are others as well): It is a collaborative effort by many individuals and companies with the goal of producing a modern, efficient, and fully featured toolkit for developing rich client applications. If you want to use a VBox for this, the method you are looking for is:īy default a VBox will just place children one under the other from the top left of where you place it. JavaFX JavaFX is an open source, next generation client application platform for desktop, mobile and embedded systems built on Java.
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