Update UI controls

Add an additional UI control (a button that has a keystroke bound to
it), and add the ability to get a directory picker from
SimpleFileChooser

2 files changed, 103 insertions, 0 deletions

diff --git a/base/src/main/java/bjc/utils/gui/SimpleFileChooser.java b/base/src/main/java/bjc/utils/gui/SimpleFileChooser.java
index 2bdd792..01cd37f 100644
--- a/base/src/main/java/bjc/utils/gui/SimpleFileChooser.java
+++ b/base/src/main/java/bjc/utils/gui/SimpleFileChooser.java
@@ -195,4 +195,26 @@ public class SimpleFileChooser {
 
 		return files.getSelectedFile();
 	}
+	
+	/**
+	 * Show a dialog box to pick a directory.
+	 * 
+	 * @param parent
+	 * 	The component to use as the parent for the dialog.
+	 * @param title
+	 * 	The title of the dialog for prompting.
+	 * @return The directory picked, if the user picked one; null if they didn't.
+	 */
+	public static File pickDirectory(final Component parent, final String title) {
+		if (title == null) throw new NullPointerException("Title must not be null");
+		
+		final JFileChooser files = new JFileChooser();
+		files.setDialogType(JFileChooser.OPEN_DIALOG);
+		files.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+		files.setDialogTitle(title);
+		
+		files.showOpenDialog(parent);
+		
+		return files.getSelectedFile();
+	}
 }
diff --git a/base/src/main/java/bjc/utils/gui/SimpleKeyedButton.java b/base/src/main/java/bjc/utils/gui/SimpleKeyedButton.java
new file mode 100644
index 0000000..031cee3
--- /dev/null
+++ b/base/src/main/java/bjc/utils/gui/SimpleKeyedButton.java
@@ -0,0 +1,81 @@
+package bjc.utils.gui;
+
+import java.awt.event.ActionEvent;
+import java.util.function.Consumer;
+
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.JButton;
+import javax.swing.KeyStroke;
+
+/**
+ * Simple {@link JButton} that provides an easy way to add a key-map to it.
+ * 
+ * @author Ben Culkin
+ *
+ */
+public class SimpleKeyedButton extends JButton {
+	private final class KeyedButtonAction extends AbstractAction {
+		private static final long serialVersionUID = 5854121457339741391L;
+
+		private final Consumer<ActionEvent> aevListener;
+
+		private KeyedButtonAction(String name, Consumer<ActionEvent> aevListener) {
+			super(name);
+			this.aevListener = aevListener;
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent aev) {
+			aevListener.accept(aev);
+		}
+	}
+
+	private static final long serialVersionUID = -8550504153221678178L;
+	
+	private String label;
+
+	/**
+	 * Create a new keyed button.
+	 * 
+	 * @param label The label for the button.
+	 */
+	public SimpleKeyedButton(String label) {
+		super(label);
+		
+		this.label = label;
+	}
+	
+	/**
+	 * Sets the default action for this button, and installs a global (WHEN_IN_FOCUSED_WINDOW) keystroke handler for it.
+	 * 
+	 * @param eventName An unique internal name for the event.
+	 * @param keystroke The keystroke for this event, passed to {@link KeyStroke#getKeyStroke(String)}.
+	 * @param aevListener The listener that handles the implementation of the action.
+	 */
+	public void setGlobalDefaultKeystroke(String eventName, String keystroke, Consumer<ActionEvent> aevListener) {
+		Action act = new KeyedButtonAction(eventName, aevListener);
+		KeyStroke stroke = KeyStroke.getKeyStroke(keystroke);
+		
+		this.setAction(act);
+		this.getInputMap(WHEN_IN_FOCUSED_WINDOW).put(stroke, eventName);
+		this.getActionMap().put(eventName, act);
+		this.setText(label);
+	}
+	
+	/**
+	 * Installs a global (WHEN_IN_FOCUSED_WINDOW) keystroke handler for an action.
+	 * 
+	 * @param eventName An unique internal name for the event.
+	 * @param keystroke The keystroke for this event, passed to {@link KeyStroke#getKeyStroke(String)}.
+	 * @param aevListener The listener that handles the implementation of the action.
+	 */
+	public void addGlobalKeystroke(String eventName, String keystroke, Consumer<ActionEvent> aevListener) {
+		Action act = new KeyedButtonAction(eventName, aevListener);
+		KeyStroke stroke = KeyStroke.getKeyStroke(keystroke);
+		
+		this.getInputMap(WHEN_IN_FOCUSED_WINDOW).put(stroke, eventName);
+		this.getActionMap().put(eventName, act);
+		this.setText(label);
+	}
+}