import java.util.List;
import javax.swing.JButton;
-import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import be.nikiroo.fanfix_swing.gui.browser.BasicTab;
import be.nikiroo.fanfix_swing.gui.browser.SourceTab;
import be.nikiroo.fanfix_swing.gui.browser.TagsTab;
+import be.nikiroo.fanfix_swing.gui.utils.ListenerPanel;
import be.nikiroo.fanfix_swing.gui.utils.UiHelper;
/**
*
* @author niki
*/
-public class BrowserPanel extends JPanel {
+public class BrowserPanel extends ListenerPanel {
private static final long serialVersionUID = 1L;
/**
* the scope of a tag.
*/
static public final String TAGS_SELECTION = "tags_selection";
+ /**
+ * The {@link ActionEvent} you receive from
+ * {@link BrowserPanel#addActionListener(ActionListener)} can return this as a
+ * command (see {@link ActionEvent#getActionCommand()}) if they were created in
+ * the scope of a tab change.
+ */
+ static public final String TAB_CHANGE = "tab_change";
private JTabbedPane tabs;
private SourceTab sourceTab;
tabs.add(authorTab = new AuthorTab(index++, AUTHOR_SELECTION));
tabs.add(tagsTab = new TagsTab(index++, TAGS_SELECTION));
- setText(tabs, sourceTab, "Sources", "Tooltip for Sources");
- setText(tabs, authorTab, "Authors", "Tooltip for Authors");
- setText(tabs, tagsTab, "Tags", "Tooltip for Tags");
+ configureTab(tabs, sourceTab, "Sources", "Tooltip for Sources");
+ configureTab(tabs, authorTab, "Authors", "Tooltip for Authors");
+ configureTab(tabs, tagsTab, "Tags", "Tooltip for Tags");
JPanel options = new JPanel();
options.setLayout(new BorderLayout());
if (!keepSelection) {
unselect();
}
+
+ fireActionPerformed(TAB_CHANGE);
}
});
}
}
}
- private void setText(JTabbedPane tabs, @SuppressWarnings("rawtypes") BasicTab tab, String name, String tooltip) {
+ private void configureTab(JTabbedPane tabs, @SuppressWarnings("rawtypes") BasicTab tab, String name,
+ String tooltip) {
tab.setBaseTitle(name);
tabs.setTitleAt(tab.getIndex(), tab.getTitle());
tabs.setToolTipTextAt(tab.getIndex(), tooltip);
- listenTitleChange(tabs, tab);
+ listenTabs(tabs, tab);
}
- private void listenTitleChange(final JTabbedPane tabs, @SuppressWarnings("rawtypes") final BasicTab tab) {
+ private void listenTabs(final JTabbedPane tabs, @SuppressWarnings("rawtypes") final BasicTab tab) {
tab.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
tabs.setTitleAt(tab.getIndex(), tab.getTitle());
+ fireActionPerformed(e.getActionCommand());
}
});
}
/**
- * Get the {@link BookInfo} to highlight, even if more than one are selected.
+ * Get the {@link BookInfo} to highlight, even if none or more than one are
+ * selected.
* <p>
- * Return NULL when nothing is selected.
+ * Return a special "all" {@link BookInfo} of the correct type when nothing is
+ * selected.
*
* @return the {@link BookInfo} to highlight, can be NULL
*/
}
}
- if (selected1 != null) {
- BasicLibrary lib = Instance.getInstance().getLibrary();
- if (tabs.getSelectedComponent() == sourceTab) {
- return BookInfo.fromSource(lib, selected1);
- } else if (tabs.getSelectedComponent() == authorTab) {
- return BookInfo.fromAuthor(lib, selected1);
- } else if (tabs.getSelectedComponent() == tagsTab) {
- return BookInfo.fromTag(lib, selected1);
- }
+ BasicLibrary lib = Instance.getInstance().getLibrary();
+ if (tabs.getSelectedComponent() == sourceTab) {
+ return BookInfo.fromSource(lib, selected1);
+ } else if (tabs.getSelectedComponent() == authorTab) {
+ return BookInfo.fromAuthor(lib, selected1);
+ } else if (tabs.getSelectedComponent() == tagsTab) {
+ return BookInfo.fromTag(lib, selected1);
}
+ // ...what?
return null;
}
authorTab.reloadData();
tagsTab.reloadData();
}
-
- /**
- * Adds the specified action listener to receive action events from this
- * {@link SearchBar}.
- *
- * @param listener the action listener to be added
- */
- public synchronized void addActionListener(ActionListener listener) {
- sourceTab.addActionListener(listener);
- authorTab.addActionListener(listener);
- tagsTab.addActionListener(listener);
- }
-
- /**
- * Removes the specified action listener so that it no longer receives action
- * events from this {@link SearchBar}.
- *
- * @param listener the action listener to be removed
- */
- public synchronized void removeActionListener(ActionListener listener) {
- sourceTab.removeActionListener(listener);
- authorTab.removeActionListener(listener);
- tagsTab.removeActionListener(listener);
- }
}
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
+import java.util.LinkedList;
+import java.util.Queue;
import javax.swing.JPanel;
/**
* A {@link JPanel} with the default {@link ActionListener} add/remove/fire
* methods.
+ * <p>
+ * Note that it will queue all events until at least one listener comes (or
+ * comes back!); this first (or at least curently unique) listener will drain
+ * the queue.
*
* @author niki
*/
public class ListenerPanel extends JPanel {
private static final long serialVersionUID = 1L;
+ private final Queue<ActionEvent> waitingQueue;
+
+ /**
+ * Create a new {@link ListenerPanel}.
+ */
+ public ListenerPanel() {
+ waitingQueue = new LinkedList<ActionEvent>();
+ }
+
+ /**
+ * Check that this {@link ListenerPanel} currently has {@link ActionListener}s
+ * that listen on it.
+ *
+ * @return TRUE if it has
+ */
+ public synchronized boolean hasListeners() {
+ return listenerList.getListenerList().length > 1;
+ }
+
+ /**
+ * Check how many events are currently waiting for an {@link ActionListener}.
+ *
+ * @return the number of waiting events (can be 0)
+ */
+ public synchronized int getWaitingEventCount() {
+ return waitingQueue.size();
+ }
+
/**
* Adds the specified action listener to receive action events from this
* {@link SearchBar}.
* @param listener the action listener to be added
*/
public synchronized void addActionListener(ActionListener listener) {
+ if (!hasListeners()) {
+ while (!waitingQueue.isEmpty()) {
+ listener.actionPerformed(waitingQueue.remove());
+ }
+ }
+
listenerList.add(ActionListener.class, listener);
}
* @param listenerCommand A string that may specify a command (possibly one of
* several) associated with the event
*/
- protected void fireActionPerformed(String listenerCommand) {
+ protected synchronized void fireActionPerformed(String listenerCommand) {
ActionEvent e = new ActionEvent(this, ActionEvent.ACTION_PERFORMED, listenerCommand);
- Object[] listeners = listenerList.getListenerList();
- for (int i = listeners.length - 2; i >= 0; i -= 2) {
- if (listeners[i] == ActionListener.class) {
- ((ActionListener) listeners[i + 1]).actionPerformed(e);
+ if (hasListeners()) {
+ Object[] listeners = listenerList.getListenerList();
+ for (int i = listeners.length - 2; i >= 0; i -= 2) {
+ if (listeners[i] == ActionListener.class) {
+ ((ActionListener) listeners[i + 1]).actionPerformed(e);
+ }
}
+ } else {
+ waitingQueue.add(e);
}
}
}
git://git.nikiroo.be / fanfix-jexer.git / commitdiff