Merge branch 'subtree'

[nikiroo-utils.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..cc3f1e15f59794e4c3117b3f9efe3e9d1be90ecd 100644 (file)
--- a/src/be/nikiroo/fanfix/reader/ui/GuiReaderGroup.java
+++ b/src/be/nikiroo/fanfix/reader/ui/GuiReaderGroup.java
@@ -3,6 +3,8 @@ package be.nikiroo.fanfix.reader.ui;
 import java.awt.BorderLayout;
 import java.awt.Color;
 import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.Rectangle;
 import java.awt.event.ActionListener;
 import java.awt.event.ComponentAdapter;
 import java.awt.event.ComponentEvent;
@@ -29,6 +31,8 @@ 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 +55,13 @@ 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 +115,45 @@ public class GuiReaderGroup extends JPanel {
                });
        }
 
+       /**
+        * Note: this class supports NULL as a background colour, which will revert
+        * it to its default state.
+        * <p>
+        * Note: this class' implementation will also set the main pane background
+        * colour at the same time.
+        * <p>
+        * Sets the background colour of this component. The background colour 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 honour this property.
+        * <p>
+        * It is up to the look and feel to honour this property, some may choose to
+        * ignore it.
+        * 
+        * @param backgroundColor
+        *            the desired background <code>Colour</code>
+        * @see java.awt.Component#getBackground
+        * @see #setOpaque
+        * 
+        * @beaninfo preferred: true bound: true attribute: visualUpdate true
+        *           description: The background colour of the component.
+        */
+       @Override
+       public void setBackground(Color backgroundColor) {
+               this.backgroundColor = 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)
@@ -140,8 +181,13 @@ public class GuiReaderGroup extends JPanel {
         * up/down one line at a time.
         */
        private void computeItemsPerLine() {
-               // TODO
-               itemsPerLine = 5;
+               itemsPerLine = 1;
+
+               if (books != null && books.size() > 0) {
+                       // this.pane holds all the books with a hgap of 5 px
+                       int wbook = books.get(0).getWidth() + 5;
+                       itemsPerLine = pane.getWidth() / wbook;
+               }
        }
 
        /**
@@ -153,6 +199,30 @@ public class GuiReaderGroup extends JPanel {
         */
        public void setActionListener(BookActionListener action) {
                this.action = action;
+               refreshBooks();
+       }
+
+       /**
+        * Clear all the books in this {@link GuiReaderGroup}.
+        */
+       public void clear() {
+               refreshBooks(new ArrayList<GuiReaderBookInfo>());
+       }
+
+       /**
+        * Refresh the list of {@link GuiReaderBook}s displayed in the control.
+        */
+       public void refreshBooks() {
+               refreshBooks(infos, words);
+       }
+
+       /**
+        * Refresh the list of {@link GuiReaderBook}s displayed in the control.
+        * 
+        * @param infos
+        *            the new list of infos
+        */
+       public void refreshBooks(List<GuiReaderBookInfo> infos) {
                refreshBooks(infos, words);
        }
 
@@ -231,6 +301,8 @@ public class GuiReaderGroup extends JPanel {
                pane.repaint();
                validate();
                repaint();
+
+               computeItemsPerLine();
        }
 
        /**
@@ -289,7 +361,7 @@ public class GuiReaderGroup extends JPanel {
         * @param index
         *            the index of the book to select, can be outside the bounds
         *            (either all the items will be unselected or the first or last
-        *            book will then be selected, see <tt>forceRange>/tt>)
+        *            book will then be selected, see <tt>forceRange></tt>)
         * @param forceRange
         *            TRUE to constraint the index to the first/last element, FALSE
         *            to unselect when outside the range
@@ -386,4 +458,19 @@ public class GuiReaderGroup extends JPanel {
                        e.consume();
                }
        }
+
+       @Override
+       public void paint(Graphics g) {
+               super.paint(g);
+
+               Rectangle clip = g.getClipBounds();
+               if (clip.getWidth() <= 0 || clip.getHeight() <= 0) {
+                       return;
+               }
+
+               if (!isEnabled()) {
+                       g.setColor(new Color(128, 128, 128, 128));
+                       g.fillRect(clip.x, clip.y, clip.width, clip.height);
+               }
+       }
 }