1+ package mdlaf .components .scrollbar ;
2+
3+ import mdlaf .resources .MaterialColors ;
4+ import mdlaf .resources .MaterialDrawingUtils ;
5+ import mdlaf .resources .MaterialFonts ;
6+ import mdlaf .resources .MaterialImages ;
7+
8+ import javax .swing .BorderFactory ;
9+ import javax .swing .ImageIcon ;
10+ import javax .swing .JButton ;
11+ import javax .swing .JComponent ;
12+ import javax .swing .JScrollBar ;
13+ import javax .swing .plaf .ComponentUI ;
14+ import javax .swing .plaf .basic .BasicScrollBarUI ;
15+ import java .awt .Graphics ;
16+
17+ /*
18+ * Contributed by https://github.com/downToHell
19+ * */
20+
21+ public class MaterialScrollBarUI extends BasicScrollBarUI {
22+
23+ private static boolean DEBUG = false ;
24+
25+ public static ComponentUI createUI (JComponent c ) {
26+ return new MaterialScrollBarUI ();
27+ }
28+
29+ @ Override
30+ public void installUI (JComponent c ) {
31+ super .installUI (c );
32+
33+ JScrollBar scrollBar = (JScrollBar ) c ;
34+ scrollBar .setFont (MaterialFonts .REGULAR );
35+ trackColor = MaterialColors .GRAY_200 ;
36+ thumbColor = thumbDarkShadowColor = thumbHighlightColor = thumbLightShadowColor = MaterialColors .GRAY_300 ;
37+ }
38+
39+ @ Override
40+ public void paint (Graphics g , JComponent c ) {
41+ super .paint (MaterialDrawingUtils .getAliasedGraphics (g ), c );
42+ }
43+
44+ /**
45+ * @author https://github.com/vincenzopalazzo
46+ * The method takes an integer variable that for the createDecreaseButton
47+ * method takes 7 if the scrollbar is horizontal and 1 if vertical
48+ */
49+ @ Override
50+ protected JButton createDecreaseButton (int orientation ) {
51+ JButton button = new JButton ();
52+ if (DEBUG == true ) System .out .println ("orientation decrese: " + orientation );
53+ if (orientation == 7 ) {
54+ if (DEBUG == true ) System .out .println ("orientation decrese down: " + orientation );
55+ button = new JButton (new ImageIcon (MaterialImages .LEFTH_ARROW ));
56+ }else {
57+ if (DEBUG == true ) System .out .println ("orientation decrese right: " + orientation );
58+ button = new JButton (new ImageIcon (MaterialImages .UP_ARROW ));
59+ }
60+
61+ button .setOpaque (true );
62+ button .setBackground (MaterialColors .GRAY_300 );
63+ button .setBorder (BorderFactory .createEmptyBorder ());
64+
65+ return button ;
66+ }
67+
68+ /**
69+ * @author https://github.com/vincenzopalazzo
70+ * The method takes an integer variable that for the createIncreaseButton
71+ * method takes 5 if the scrollbar is horizontal and 3 if vertical
72+ */
73+ @ Override
74+ protected JButton createIncreaseButton (int orientation ) {
75+ JButton button = new JButton ();
76+ if (DEBUG == true ) System .out .println ("orientation increse: " + orientation );
77+ if (orientation == 5 ) {
78+ if (DEBUG == true ) System .out .println ("orientation decrese up: " + orientation );
79+ button = new JButton (new ImageIcon (MaterialImages .DOWN_ARROW ));
80+ }else {
81+ if (DEBUG == true ) System .out .println ("orientation decrese lefth: " + orientation );
82+ button = new JButton (new ImageIcon (MaterialImages .RIGHT_ARROW ));
83+ }
84+ button .setOpaque (true );
85+ button .setBackground (MaterialColors .GRAY_300 );
86+ button .setBorder (BorderFactory .createEmptyBorder ());
87+
88+ return button ;
89+ }
90+ }
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