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Add or Remove node in FXML loaded file

 
Greenhorn
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IntelliJ IDE Java
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Hello everybody,

I want to interacted within my scene on the run.
Example : When I click on a button, I add a new node in my scene.

But Can I add or remove node in FXML loaded. If I can, how respect the hierarchy sceneGraph ?

How with ActionEvent interact on the same scene from the ActionEvent start ?

My real issue that I can't understand so much the function or system of the FXMLoader from JavaFX for "play" with this.




Thank a lot for your help
 
Greenhorn
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You can absolutely do something like that. In fact, one of my demo apps does exactly what you describe.

https://bitbucket.org/shemnon/touchyfxy/src/be95b76b5f48593932af6e190af1abf8e7a8e904/src/main/java/touchyfxy/Controller.java?at=master#cl-320

At this line, in response to an update touch event, I go through all the children of a named node, remove some and add others. The key is that the node I am adding and removing the nodes to is identified via an fx:id tag in the FXML:

https://bitbucket.org/shemnon/touchyfxy/src/be95b76b5f48/src/main/resources/touchyfxy/touchyfxy.fxml?at=master#cl-222

 
john miltone
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Hi Danno et thanks for your good way reply.

How have you generated ControllerGenerated class ? It's very good idea.
I don't understand the bound mean of a node. What this more simply ?

For the layout() function, what is the "Executes a top-down layout pass" result exactly ?

Have you (or can you) the binary of this application sample for understand this ensemble of scene ?



 
Danno Ferrin
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john miltone wrote:Hi Danno et thanks for your good way reply.

How have you generated ControllerGenerated class ? It's very good idea.



I used SceneBuilder: http://www.oracle.com/technetwork/java/javafx/tools/index.html

john miltone wrote:I don't understand the bound mean of a node. What this more simply ?



Here is a tutorial on properties and bindings: http://docs.oracle.com/javafx/2/binding/jfxpub-binding.htm and then I changed the class name.

john miltone wrote:For the layout() function, what is the "Executes a top-down layout pass" result exactly ?



Generally you don't need to worry about the layout method in JavaFX, unless you are writing a layout manager. I've done quite a bit of JavaFX and have yet to need to figure that one out.

john miltone wrote:Have you (or can you) the binary of this application sample for understand this ensemble of scene ?



Depends on your platform, but here are some binaries: https://bintray.com/version/show/files/shemnon/javafx/touchyfxy/0.0
 
john miltone
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I already use SceneBuilder but I don't know that create controller with him.
For bound, I don't speak about binding but more specific boundsInLocal for a Node. I already read the API doc here (Node API Ddoc), unfortunatably I don't understand very well this concept. Just help me to understand this with your word it's good (I don't remember what way in your code let me here but I want to understand nonetheless).

Generally you don't need to worry about the layout method in JavaFX, unless you are writing a layout manager. I've done quite a bit of JavaFX and have yet to need to figure that one out.



I speak about your code Controller class and more specific siezScrollCircles method.
Example : scrollEnd.layout();

Thank for your binaries distribution. Just pity that for gesture concept (good idea however).
 
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