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[fanfix.git] / src / be / nikiroo / fanfix / reader / ui / GuiReaderGroup.java

diff --git a/src/be/nikiroo/fanfix/reader/ui/GuiReaderGroup.java b/src/be/nikiroo/fanfix/reader/ui/GuiReaderGroup.java
index 3e86fba9d0a7a3677a73323ea9d44c4e35a86629..df3b74a0bdaaab9d9da355dd4943f7ba0e94f02f 100644 (file)
--- a/src/be/nikiroo/fanfix/reader/ui/GuiReaderGroup.java
+++ b/src/be/nikiroo/fanfix/reader/ui/GuiReaderGroup.java
@@ -29,6 +29,8 @@ public class GuiReaderGroup extends JPanel {
        private static final long serialVersionUID = 1L;
        private BookActionListener action;
        private Color backgroundColor;
+       private Color backgroundColorDef;
+       private Color backgroundColorDefPane;
        private GuiReader reader;
        private List<GuiReaderBookInfo> infos;
        private List<GuiReaderBook> books;
@@ -51,15 +53,13 @@ public class GuiReaderGroup extends JPanel {
         */
        public GuiReaderGroup(GuiReader reader, String title, Color backgroundColor) {
                this.reader = reader;
-               this.backgroundColor = backgroundColor;
 
                this.pane = new JPanel();
-
                pane.setLayout(new WrapLayout(WrapLayout.LEADING, 5, 5));
-               if (backgroundColor != null) {
-                       pane.setBackground(backgroundColor);
-                       setBackground(backgroundColor);
-               }
+
+               this.backgroundColorDef = getBackground();
+               this.backgroundColorDefPane = pane.getBackground();
+               setBackground(backgroundColor);
 
                setLayout(new BorderLayout(0, 10));
 
@@ -113,6 +113,43 @@ public class GuiReaderGroup extends JPanel {
                });
        }
 
+       /**
+        * Note: this class supports NULL as a background color, which will revert
+        * it to its default state.
+        * <p>
+        * Note: this class' implementation will also set the main pane background
+        * color at the same time.
+        * <p>
+        * Sets the background color of this component. The background color is used
+        * only if the component is opaque, and only by subclasses of
+        * <code>JComponent</code> or <code>ComponentUI</code> implementations.
+        * Direct subclasses of <code>JComponent</code> must override
+        * <code>paintComponent</code> to honor this property.
+        * <p>
+        * It is up to the look and feel to honor this property, some may choose to
+        * ignore it.
+        * 
+        * @param bg
+        *            the desired background <code>Color</code>
+        * @see java.awt.Component#getBackground
+        * @see #setOpaque
+        * 
+        * @beaninfo preferred: true bound: true attribute: visualUpdate true
+        *           description: The background color of the component.
+        */
+       @Override
+       public void setBackground(Color backgroundColor) {
+               Color cme = backgroundColor == null ? backgroundColorDef
+                               : backgroundColor;
+               Color cpane = backgroundColor == null ? backgroundColorDefPane
+                               : backgroundColor;
+
+               if (pane != null) { // can happen at theme setup time
+                       pane.setBackground(cpane);
+               }
+               super.setBackground(cme);
+       }
+
        /**
         * The title of this group (can be NULL for "no title", an empty
         * {@link String} will trigger a default title for empty groups)