FlowPane and Positioning

2019-09-14 01:24发布

Is it possible to use a flowpane in the following way? Have two components (img/label) aligned to the left and then multiple buttons on the right. Example:

    +----------------------------------------------------------------+
    | +------+ +----------+                          +-----+ +-----+ |
    | |  Img | | Text...  |                          | btn | | btn | |
    | +------+ +----------+                          +-----+ +-----+ |
    +----------------------------------------------------------------+

I am adding the buttons for design / ease of use but am running into a brick wall. I would prefer not to have to change the 'holding panel'.

If not can it be simulated in css (float?)

Thanks

2条回答
孤傲高冷的网名
2楼-- · 2019-09-14 02:08

A FlowPanecan set margins. Here is an example that shows how to calculate the width of the margin so that the buttons are right aligned.

scene.widthProperty().addListener( ( observable, oldWidth, newWidth ) ->
{
  final double spacerMargin = newWidth.doubleValue()
      - scene.getRoot().getChildrenUnmodifiable().stream().mapToDouble( node -> node.getLayoutBounds().getWidth() ).sum();
  FlowPane.clearConstraints( btn3 );
  FlowPane.setMargin( btn3, new Insets( 0, 0, 0, spacerMargin ) );
} );

You basically subtract all the widths of the children of the FlowPane from the width of your scene.

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我只想做你的唯一
3楼-- · 2019-09-14 02:10

Yes it is!

myFlow.add(griddy); // this gridlayout contains img and text
myFlowcontainer.add(Box.createRigidArea(new Dimension(5,0))); // Creating a space between. 
The actual size will be defined by you
myFlow.add(griddy2); // The other element with the btn btn

That should seal the deal ;)

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