swing - Java JTable - Transparence with Nimbus/System L&F -


i have jtable:

    list<mytuple> l= new arraylist<>();     l.add(new element(1,"one"));     l.add(new element(2,"two"));     l.add(new element(3,"three"));     l.add(new element(4,"four"));     l.add(new element(5,"five"));     l.add(new element(6,"six"));     l.add(new element(7,"seven"));      jscrollpane pane = new jscrollpane();     pane.setopaque(false);     pane.setborder(new emptyborder(0, 0, 0, 0));     pane.setbackground(new color(0,0,0,0));     pane.setfont(new font("segoe ui semibold", font.plain, 12));     pane.setbounds(3, 101, 707, 297);      mytablemodel tm=new mytablemodel(l);     table = new mytable(tm);     table.setborder(new emptyborder(0, 0, 0, 0));     table.setopaque(false);     //table.gettableheader().setbackground(new color(0,0,0,0));     table.gettableheader().setopaque(true);     table.gettableheader().setborder(new emptyborder(0,0,0,0));     table.setbackground(new color(0,0,0,0));     table.setfont(new font("segoe ui semibold", font.plain, 12));     table.setfillsviewportheight(false);     table.gettableheader().setfont(new font("segoe ui semibold", font.plain, 13));     table.setautoresizemode(jtable.auto_resize_all_columns);     pane.setviewportview(table);     pane.getviewport().setopaque(false);     table.setgridcolor(color.gray);     table.setshowgrid(true);     getcontentpane().add(pane);

mytuple, mytable , mytablemodel classes don't set custom rendering.

this how table looks under system l&f (which like):

system looksandfeels

this how table looks under nimbus l&f (note added big rectangle):

nimbus looksandfeels

i want table 1 system l&f. problem if set 1 l&f want, other gets ugly, want sort of "compatibility", there way so?

maybe using uimanager.put() method?

you forgot set border around viewport of scrollpane. possible solutions:

  • pane.setviewportborder(null);
  • pane.setviewportborder(borderfactory.createemptyborder());
  • pane.setviewportborder(new emptyborder(0, 0, 0, 0));

note pane.getviewport().setborder(...) not work, because jviewport doesn't have border, setviewportborder draws border around viewport. (reference)

to make table header transparent:

pane.setcolumnheader(new jviewport()); pane.getcolumnheader().setopaque(false);  table.gettableheader().setopaque(false);

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