telegps: Add preferences dialog

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

1 files changed, 411 insertions, 0 deletions

diff --git a/altosuilib/AltosConfigFreqUI.java b/altosuilib/AltosConfigFreqUI.java
new file mode 100644
index 00000000..6dcd63b8
--- /dev/null
+++ b/altosuilib/AltosConfigFreqUI.java
@@ -0,0 +1,411 @@
+/*
+ * 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 org.altusmetrum.altosuilib_2;
+
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+import java.util.*;
+import org.altusmetrum.altoslib_4.*;
+
+class AltosEditFreqUI extends AltosUIDialog implements ActionListener {
+	Frame		frame;
+	JTextField	frequency;
+	JTextField	description;
+	JButton		ok_button, cancel_button;
+	boolean		got_ok;
+
+	public void actionPerformed(ActionEvent e) {
+		String	cmd = e.getActionCommand();
+
+		if ("ok".equals(cmd)) {
+			got_ok = true;
+			setVisible(false);
+		}
+		if ("cancel".equals(cmd)) {
+			got_ok = false;
+			setVisible(false);
+		}
+	}
+
+	public AltosFrequency get() {
+		if (!got_ok)
+			return null;
+
+		String	f_s = frequency.getText();
+		String	d_s = description.getText();
+
+		try {
+			double	f_d = Double.parseDouble(f_s);
+
+			return new AltosFrequency(f_d, d_s);
+		} catch (NumberFormatException ne) {
+		}
+		return null;
+	}
+
+	public AltosEditFreqUI(Frame in_frame, AltosFrequency existing) {
+		super(in_frame, true);
+
+		got_ok = false;
+		frame = in_frame;
+
+		Container pane = getContentPane();
+		pane.setLayout(new GridBagLayout());
+
+		GridBagConstraints c = new GridBagConstraints();
+		c.insets = new Insets (4,4,4,4);
+
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 0;
+		c.gridy = 0;
+		c.gridwidth = 1;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(new JLabel("Frequency"), c);
+
+		frequency = new JTextField(12);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 1;
+		c.gridy = 0;
+		c.gridwidth = 1;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(frequency, c);
+
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 0;
+		c.gridy = 1;
+		c.gridwidth = 1;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(new JLabel("Description"), c);
+
+		description = new JTextField(12);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 1;
+		c.gridy = 1;
+		c.gridwidth = 1;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(description, c);
+
+		ok_button = new JButton("OK");
+		ok_button.setActionCommand("ok");
+		ok_button.addActionListener(this);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 0;
+		c.gridy = 2;
+		c.gridwidth = 1;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(ok_button, c);
+
+		cancel_button = new JButton("Cancel");
+		cancel_button.setActionCommand("cancel");
+		cancel_button.addActionListener(this);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 1;
+		c.gridy = 2;
+		c.gridwidth = 1;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(cancel_button, c);
+
+		if (existing == null)
+			setTitle("Add New Frequency");
+		else {
+			setTitle("Edit Existing Frequency");
+			frequency.setText(String.format("%7.3f", existing.frequency));
+			description.setText(existing.description);
+		}
+		getRootPane().setDefaultButton(ok_button);
+
+		pack();
+		setLocationRelativeTo(frame);
+
+	}
+
+	public AltosEditFreqUI(Frame in_frame) {
+		this(in_frame, (AltosFrequency) null);
+	}
+}
+
+public class AltosConfigFreqUI extends AltosUIDialog implements ActionListener {
+
+	Frame frame;
+	LinkedList<ActionListener> listeners;
+
+	class FrequencyList extends JList<AltosFrequency> {
+		DefaultListModel<AltosFrequency> list_model;
+
+		public void add(AltosFrequency frequency) {
+			int i;
+			for (i = 0; i < list_model.size(); i++) {
+				AltosFrequency	f = (AltosFrequency) list_model.get(i);
+				if (frequency.frequency == f.frequency)
+					return;
+				if (frequency.frequency < f.frequency)
+					break;
+			}
+			list_model.insertElementAt(frequency, i);
+		}
+
+		public void remove(AltosFrequency frequency) {
+			list_model.removeElement(frequency);
+		}
+
+		//Subclass JList to workaround bug 4832765, which can cause the
+		//scroll pane to not let the user easily scroll up to the beginning
+		//of the list.  An alternative would be to set the unitIncrement
+		//of the JScrollBar to a fixed value. You wouldn't get the nice
+		//aligned scrolling, but it should work.
+		public int getScrollableUnitIncrement(Rectangle visibleRect,
+						      int orientation,
+						      int direction) {
+			int row;
+			if (orientation == SwingConstants.VERTICAL &&
+			    direction < 0 && (row = getFirstVisibleIndex()) != -1) {
+				Rectangle r = getCellBounds(row, row);
+				if ((r.y == visibleRect.y) && (row != 0))  {
+					Point loc = r.getLocation();
+					loc.y--;
+					int prevIndex = locationToIndex(loc);
+					Rectangle prevR = getCellBounds(prevIndex, prevIndex);
+
+					if (prevR == null || prevR.y >= r.y) {
+						return 0;
+					}
+					return prevR.height;
+				}
+			}
+			return super.getScrollableUnitIncrement(
+				visibleRect, orientation, direction);
+		}
+
+		public AltosFrequency selected() {
+			AltosFrequency	f = (AltosFrequency) getSelectedValue();
+			return f;
+		}
+
+		public AltosFrequency[] frequencies() {
+			AltosFrequency[]	ret;
+
+			ret = new AltosFrequency[list_model.size()];
+			for (int i = 0; i < list_model.size(); i++)
+				ret[i] = (AltosFrequency) list_model.get(i);
+			return ret;
+		}
+
+		public FrequencyList(AltosFrequency[] in_frequencies) {
+			list_model = new DefaultListModel<AltosFrequency>();
+			setModel(list_model);
+			setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
+			setLayoutOrientation(JList.HORIZONTAL_WRAP);
+			for (int i = 0; i < in_frequencies.length; i++) {
+				add(in_frequencies[i]);
+			}
+			setVisibleRowCount(in_frequencies.length);
+		}
+	}
+
+	FrequencyList	frequencies;
+
+	void save_frequencies() {
+		AltosUIPreferences.set_common_frequencies(frequencies.frequencies());
+	}
+
+	JButton	add, edit, remove;
+
+	JButton cancel, ok;
+
+	public void actionPerformed(ActionEvent e) {
+		String	cmd = e.getActionCommand();
+
+		if ("ok".equals(cmd)) {
+			save_frequencies();
+			setVisible(false);
+		} else if ("cancel".equals(cmd)) {
+			setVisible(false);
+		} else if ("add".equals(cmd)) {
+			AltosEditFreqUI	ui = new AltosEditFreqUI(frame);
+			ui.setVisible(true);
+			AltosFrequency	f = ui.get();
+			if (f != null)
+				frequencies.add(f);
+		} else if ("edit".equals(cmd)) {
+			AltosFrequency	old_f = frequencies.selected();
+			if (old_f == null)
+				return;
+			AltosEditFreqUI	ui = new AltosEditFreqUI(frame, old_f);
+			ui.setVisible(true);
+			AltosFrequency	new_f = ui.get();
+			if (new_f != null) {
+				if (old_f != null)
+					frequencies.remove(old_f);
+				frequencies.add(new_f);
+			}
+		} else if ("remove".equals(cmd)) {
+			AltosFrequency	old_f = frequencies.selected();
+			if (old_f == null)
+				return;
+			int ret = JOptionPane.showConfirmDialog(this,
+								String.format("Remove frequency \"%s\"?",
+									      old_f.toShortString()),
+								"Remove Frequency",
+								JOptionPane.YES_NO_OPTION);
+			if (ret == JOptionPane.YES_OPTION)
+				frequencies.remove(old_f);
+		}
+	}
+
+	public AltosFrequency[] frequencies() {
+		return frequencies.frequencies();
+	}
+
+	public AltosConfigFreqUI(Frame in_frame,
+				 AltosFrequency[] in_frequencies) {
+		super(in_frame, "Manage Frequencies", true);
+
+		frame = in_frame;
+
+		listeners = new LinkedList<ActionListener>();
+
+		frequencies = new FrequencyList(in_frequencies);
+
+		Container pane = getContentPane();
+		pane.setLayout(new GridBagLayout());
+
+		GridBagConstraints c = new GridBagConstraints();
+		c.insets = new Insets(4,4,4,4);
+
+		/*
+		 * Frequencies label and list
+		 */
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 0;
+		c.gridy = 0;
+		c.gridwidth = 1;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(new JLabel("Frequencies"), c);
+
+		JScrollPane list_scroller = new JScrollPane(frequencies);
+		list_scroller.setAlignmentX(LEFT_ALIGNMENT);
+		c.fill = GridBagConstraints.BOTH;
+		c.anchor = GridBagConstraints.WEST;
+		c.gridx = 0;
+		c.gridy = 1;
+		c.gridwidth = 6;
+		c.gridheight = 2;
+		c.weightx = 1;
+		c.weighty = 1;
+		pane.add(list_scroller, c);
+
+		add = new JButton("Add");
+		add.setActionCommand("add");
+		add.addActionListener(this);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.CENTER;
+		c.gridx = 0;
+		c.gridy = 3;
+		c.gridwidth = 2;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(add, c);
+
+		edit = new JButton("Edit");
+		edit.setActionCommand("edit");
+		edit.addActionListener(this);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.CENTER;
+		c.gridx = 2;
+		c.gridy = 3;
+		c.gridwidth = 2;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(edit, c);
+
+		remove = new JButton("Remove");
+		remove.setActionCommand("remove");
+		remove.addActionListener(this);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.CENTER;
+		c.gridx = 4;
+		c.gridy = 3;
+		c.gridwidth = 2;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(remove, c);
+
+		ok = new JButton("OK");
+		ok.setActionCommand("ok");
+		ok.addActionListener(this);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.CENTER;
+		c.gridx = 0;
+		c.gridy = 4;
+		c.gridwidth = 3;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(ok, c);
+
+		cancel = new JButton("Cancel");
+		cancel.setActionCommand("cancel");
+		cancel.addActionListener(this);
+		c.fill = GridBagConstraints.NONE;
+		c.anchor = GridBagConstraints.CENTER;
+		c.gridx = 3;
+		c.gridy = 4;
+		c.gridwidth = 3;
+		c.gridheight = 1;
+		c.weightx = 0;
+		c.weighty = 0;
+		pane.add(cancel, c);
+
+		pack();
+		setLocationRelativeTo(frame);
+	}
+
+	public static void show(Component frameComp) {
+		Frame	frame = JOptionPane.getFrameForComponent(frameComp);
+		AltosConfigFreqUI	dialog;
+
+		dialog = new AltosConfigFreqUI(frame, AltosUIPreferences.common_frequencies());
+		dialog.setVisible(true);
+	}
+
+}