ComboBox with customized with buttons listcell

Hi all

I would like to create a combobox with a custom listview that contains several controls. The thing is that setAction is consumed by the list of ComboBox popoup and then controls inside are ignored.

There is here an example:

//***************************************************************************************************************

package javafxapplication3;

Import javafx.application.Application;

Import javafx.collections.FXCollections;

Import javafx.collections.ObservableList;

Import javafx.event.ActionEvent;

Import javafx.event.EventHandler;

Import javafx.scene.Scene;

Import javafx.scene.control.Button;

Import javafx.scene.control.ComboBox;

Import javafx.scene.control.ListCell;

Import javafx.scene.control.ListView;

Import javafx.scene.input.MouseEvent;

Import javafx.scene.layout.HBox;

Import javafx.scene.layout.HBoxBuilder;

Import javafx.scene.layout.StackPane;

Import javafx.stage.Stage;

Import javafx.util.Callback;

SerializableAttribute public class JavaFXApplication3 extends Application {}

@Override

{} public void start (point primaryStage)

ObservableList < String > options

= (FXCollections.observableArrayList)

"Option 1"

'Option 2 '.

);

ComboBox < String > comboB = new ComboBox <>(options);

Object obj = comboB.getOnAction ();

comboB.setCellFactory (new reminder < < String > ListView, ListCell < String > > () {})

@Override

public ListCell < String > call (ListView < String > param) {}

last cell ListCell < String > = new ListCell < String > () {}

{

super.setPrefWidth (100);

}

@Override

{} public Sub updateItem (empty string element, Boolean)

super.updateItem point, empty;

If (item! = null) {}

setText (item);

HBox cell = HBoxBuilder.create () .children (createButton (), createButton () infrastructure ();

setGraphic (cell);

} else {}

setText (null);

}

};

return the cell;

}

});

Root StackPane = new StackPane();

root.getChildren () .add (comboB);

Scene = new scene (root, 300, 250);

primaryStage.setTitle ("Hello World!");

primaryStage.setScene (scene);

primaryStage.show ();

}

private Button createButton() {}

last button btn = new Button ("Hola");

btn.setOnAction (new EventHandler < ActionEvent > () {}

@Override

{} public void handle (ActionEvent t)

System.out.println ("Does´t work");

}

});

btn.setOnMouseEntered (new EventHandler < MouseEvent > () {}

@Override

{} public void handle (MouseEvent t)

System.out.println ("Works");

}

});

return btn;

}

Public Shared Sub main (String [] args) {}

Launch (args);

}

//***************************************************************************************************************

How could I do 'System.out.println ("work of Does´t");' works?

A ComboBox control is used to select an element; from a set of predefined items (displayed in the context menu), or possibly by entering one. You intend something must be selected in your control? If so, it is not clear if something should be selected when the user presses the button. If this isn't the case, then a ComboBox control is not the appropriate control. Something like a menu button can work better.

Assuming you want to use it to make a selection, a menu button might work if you used CustomMenuItems points the menu button and hideOnClick set to false:

import java.util.Arrays;
import java.util.List;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.CustomMenuItem;
import javafx.scene.control.Label;
import javafx.scene.control.MenuButton;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.HBox;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class ButtonInMenuButtonItem extends Application {

    @Override
    public void start(Stage primaryStage) {
        List options = Arrays.asList("Option 1", "Option 2");
        MenuButton menuButton = new MenuButton("Options");
        for (String option : options) {
            menuButton.getItems().add(createCustomMenuItem(option));
        }
        StackPane root = new StackPane();
        root.getChildren().add(menuButton);
        Scene scene = new Scene(root, 300, 250);
        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private CustomMenuItem createCustomMenuItem(String option) {
        HBox hbox = new HBox(5);
        hbox.getChildren().addAll(createButton(), createButton(), new Label(option));
        CustomMenuItem customMenuItem = new CustomMenuItem(hbox);
        customMenuItem.setHideOnClick(false);
        return customMenuItem ;
    }

    private Button createButton() {
        final Button btn = new Button("Hola");
        btn.setOnAction(new EventHandler() {
            @Override
            public void handle(ActionEvent t) {
                System.out.println("Button pressed");
            }
        });
//        btn.setOnMouseEntered(new EventHandler() {
//            @Override
//            public void handle(MouseEvent t) {
//                System.out.println("Works");
//            }
//        });
        return btn;
    }

    public static void main(String[] args) {
        launch(args);
    }
}

If you do not want 'selection '. You should maybe use a button from menu above and manage the selection yourself.

Tags: Java

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REF javafx 2 - How to change the Rectangles with buttons - stack overflow

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User data that assign you to each button switches are a node, not a [Node]. Thus, the cast will fail on line 43.

When the selected toggle changes, you add another Rectangle to the vbox. You want to replace the rectangle that is in the vbox.

Try

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< s:Group id = "MyGroup" >
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< / s:Group >
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http://ns.Adobe.com/MXML/2009.

xmlns:s = "library://ns.adobe.com/flex/spark".

creationComplete = "createElements ()" > "

Import spark.components.Button;

Import mx.events.FlexEvent;

private var asButton1:Button;

private var asButton2:Button;

protected function createElements (): void

{

asButton1 = new Button();

asButton1.label = "Button1";

asButton1.x = 100;

asButton1.y = 20;

myGroup.addElement (asButton1);

asButton2 = new Button();

asButton2.label = "Button2";

asButton2.x = 105;

asButton2.y = 20;

myGroup.addElement (asButton2);

too early

trace (asButton1.hitTestObject (asButton2));

wait updateComplete trace test

myGroup.addEventListener (FlexEvent.UPDATE_COMPLETE, traceTest);

}

private void traceTest(e:Event):void {}

trace (asButton1.hitTestObject (asButton2));

}

]]>

ComboBox with customized with buttons listcell

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