Overlapping JPanel layout
I have a JPanel "mainPanel" that I want to add and remove other JPanels to, when a user changes from screen to screen. Right now I have it set up so that mainPanel has a 1x1 GridLayout,
JPanel mainPanel =new JPanel();
GridLayout gridLayout =new GridLayout();
gridLayout.setRows(1);
gridLayout.setColumns(1);
mainPanel.setLayout(gridLayout);
JPanel currentScreen =new JPanel();
mainPanel.add(currentScreen,null);
mainPanel.setVisible(true);
JPanel newScreen =new JPanel();
mainPanel.setVisible(false);
publicvoid getScreen(JPanel new_Screen){
currentScreen.setVisible(false);
mainPanel.add(new_Screen,null);
}
This successfully hides the currentScreen, but adds a new GirdLayout cell, making each JPanel take up 50% of the mainPanel (whereas I want newScreen to take up the entire mainPanel).
So I tried the following,
publicvoid getScreen(JPanel new_Screen){
mainPanel.remove(currentScreen);
mainPanel.add(new_Screen,null);
}
Which doesn't do anything, currentScreen is the only thing left showing.
So I changed it to this,
publicvoid getScreen(JPanel new_Screen){
mainPanel.remove(currentScreen);
mainPanel.repaint();
mainPanel.add(new_Screen,null);
}
and now the mainPanel is completely blanked out. This is all counterintuitive to me, and seems like it should be an easy problem to overcome.
Is there a better way of doing this?
I briefly tried making mainPanel a JLayeredPane instead of JPanel but it wasn't working for me...
I want the added JPanels to take up 100% of mainPanel, and simply make the one I want to see visible. Is there a layout I'm missing that will allow this?
