altosui: Split out UI-specific preferences

Prepare to create library shared with android application.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 159 insertions, 0 deletions

diff --git a/altosui/AltosUIPreferences.java b/altosui/AltosUIPreferences.java
new file mode 100644
index 00000000..da6c3968
--- /dev/null
+++ b/altosui/AltosUIPreferences.java
@@ -0,0 +1,159 @@
+/*
+ * Copyright © 2011 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package altosui;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import java.util.prefs.*;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.awt.Component;
+import javax.swing.*;
+import javax.swing.filechooser.FileSystemView;
+
+/* import org.altusmetrum.AltosLib.*; */
+
+class AltosUIPreferences extends AltosPreferences {
+
+	/* font size preferences name */
+	final static String fontSizePreference = "FONT-SIZE";
+
+	/* Look&Feel preference name */
+	final static String lookAndFeelPreference = "LOOK-AND-FEEL";
+
+	/* UI Component to pop dialogs up */
+	static Component component;
+
+	static LinkedList<AltosFontListener> font_listeners;
+
+	static int font_size = Altos.font_size_medium;
+
+	static LinkedList<AltosUIListener> ui_listeners;
+
+	static String look_and_feel = null;
+
+	public static void init() {
+		font_listeners = new LinkedList<AltosFontListener>();
+
+		font_size = preferences.getInt(fontSizePreference, Altos.font_size_medium);
+		Altos.set_fonts(font_size);
+		look_and_feel = preferences.get(lookAndFeelPreference, UIManager.getSystemLookAndFeelClassName());
+
+		ui_listeners = new LinkedList<AltosUIListener>();
+	}
+
+	static { init(); }
+
+	static void set_component(Component in_component) {
+		component = in_component;
+	}
+
+	private static boolean check_dir(File dir) {
+		if (!dir.exists()) {
+			if (!dir.mkdirs()) {
+				JOptionPane.showMessageDialog(component,
+							      dir.getName(),
+							      "Cannot create directory",
+							      JOptionPane.ERROR_MESSAGE);
+				return false;
+			}
+		} else if (!dir.isDirectory()) {
+			JOptionPane.showMessageDialog(component,
+						      dir.getName(),
+						      "Is not a directory",
+						      JOptionPane.ERROR_MESSAGE);
+			return false;
+		}
+		return true;
+	}
+
+	/* Configure the log directory. This is where all telemetry and eeprom files
+	 * will be written to, and where replay will look for telemetry files
+	 */
+	public static void ConfigureLog() {
+		JFileChooser	logdir_chooser = new JFileChooser(logdir.getParentFile());
+
+		logdir_chooser.setDialogTitle("Configure Data Logging Directory");
+		logdir_chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
+
+		if (logdir_chooser.showDialog(component, "Select Directory") == JFileChooser.APPROVE_OPTION) {
+			File dir = logdir_chooser.getSelectedFile();
+			if (check_dir(dir))
+				set_logdir(dir);
+		}
+	}
+	public static int font_size() {
+		return font_size;
+	}
+
+	static void set_fonts() {
+	}
+
+	public static void set_font_size(int new_font_size) {
+		font_size = new_font_size;
+		synchronized (preferences) {
+			preferences.putInt(fontSizePreference, font_size);
+			flush_preferences();
+			Altos.set_fonts(font_size);
+			for (AltosFontListener l : font_listeners)
+				l.font_size_changed(font_size);
+		}
+	}
+
+	public static void register_font_listener(AltosFontListener l) {
+		synchronized (preferences) {
+			font_listeners.add(l);
+		}
+	}
+
+	public static void unregister_font_listener(AltosFontListener l) {
+		synchronized (preferences) {
+			font_listeners.remove(l);
+		}
+	}
+
+	public static void set_look_and_feel(String new_look_and_feel) {
+		look_and_feel = new_look_and_feel;
+		try {
+			UIManager.setLookAndFeel(look_and_feel);
+		} catch (Exception e) {
+		}
+		synchronized(preferences) {
+			preferences.put(lookAndFeelPreference, look_and_feel);
+			flush_preferences();
+			for (AltosUIListener l : ui_listeners)
+				l.ui_changed(look_and_feel);
+		}
+	}
+
+	public static String look_and_feel() {
+		return look_and_feel;
+	}
+
+	public static void register_ui_listener(AltosUIListener l) {
+		synchronized(preferences) {
+			ui_listeners.add(l);
+		}
+	}
+
+	public static void unregister_ui_listener(AltosUIListener l) {
+		synchronized (preferences) {
+			ui_listeners.remove(l);
+		}
+	}
+}
\ No newline at end of file