--- /dev/null
+/*
+ * Jexer - Java Text User Interface
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (C) 2019 Kevin Lamonte
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * @author Kevin Lamonte [kevin.lamonte@gmail.com]
+ * @version 1
+ */
+package jexer.bits;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Reader;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Set;
+import java.util.SortedMap;
+import java.util.StringTokenizer;
+import java.util.TreeMap;
+
+/**
+ * ColorTheme is a collection of colors keyed by string. A default theme is
+ * also provided that matches the blue-and-white theme used by Turbo Vision.
+ */
+public class ColorTheme {
+
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * The current theme colors.
+ */
+ private SortedMap<String, CellAttributes> colors;
+
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Public constructor sets the theme to the default.
+ */
+ public ColorTheme() {
+ colors = new TreeMap<String, CellAttributes>();
+ setDefaultTheme();
+ }
+
+ // ------------------------------------------------------------------------
+ // ColorTheme -------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Retrieve the CellAttributes for a named theme color.
+ *
+ * @param name theme color name, e.g. "twindow.border"
+ * @return color associated with name, e.g. bold yellow on blue
+ */
+ public CellAttributes getColor(final String name) {
+ CellAttributes attr = colors.get(name);
+ return attr;
+ }
+
+ /**
+ * Retrieve all the names in the theme.
+ *
+ * @return a list of names
+ */
+ public List<String> getColorNames() {
+ Set<String> keys = colors.keySet();
+ List<String> names = new ArrayList<String>(keys.size());
+ names.addAll(keys);
+ return names;
+ }
+
+ /**
+ * Set the color for a named theme color.
+ *
+ * @param name theme color name, e.g. "twindow.border"
+ * @param color the new color to associate with name, e.g. bold yellow on
+ * blue
+ */
+ public void setColor(final String name, final CellAttributes color) {
+ colors.put(name, color);
+ }
+
+ /**
+ * Save the color theme mappings to an ASCII file.
+ *
+ * @param filename file to write to
+ * @throws IOException if the I/O fails
+ */
+ public void save(final String filename) throws IOException {
+ FileWriter file = new FileWriter(filename);
+ for (String key: colors.keySet()) {
+ CellAttributes color = getColor(key);
+ file.write(String.format("%s = %s\n", key, color));
+ }
+ file.close();
+ }
+
+ /**
+ * Read color theme mappings from an ASCII file.
+ *
+ * @param filename file to read from
+ * @throws IOException if the I/O fails
+ */
+ public void load(final String filename) throws IOException {
+ load(new FileReader(filename));
+ }
+
+ /**
+ * Set a color based on a text string. Color text string is of the form:
+ * <code>[ bold ] [ blink ] { foreground on background }</code>
+ *
+ * @param key the color key string
+ * @param text the text string
+ */
+ public void setColorFromString(final String key, final String text) {
+ boolean bold = false;
+ boolean blink = false;
+ String foreColor;
+ String backColor;
+ String token;
+
+ StringTokenizer tokenizer = new StringTokenizer(text);
+ token = tokenizer.nextToken();
+
+ if (token.toLowerCase().equals("rgb:")) {
+ // Foreground
+ int foreColorRGB = -1;
+ try {
+ foreColorRGB = Integer.parseInt(tokenizer.nextToken(), 16);
+ } catch (NumberFormatException e) {
+ // Default to white on black
+ foreColorRGB = 0xFFFFFF;
+ }
+
+ // "on"
+ if (!tokenizer.nextToken().toLowerCase().equals("on")) {
+ // Invalid line.
+ return;
+ }
+
+ // Background
+ int backColorRGB = -1;
+ try {
+ backColorRGB = Integer.parseInt(tokenizer.nextToken(), 16);
+ } catch (NumberFormatException e) {
+ backColorRGB = 0;
+ }
+
+ CellAttributes color = new CellAttributes();
+ color.setForeColorRGB(foreColorRGB);
+ color.setBackColorRGB(backColorRGB);
+ colors.put(key, color);
+ return;
+ }
+
+ while (token.equals("bold") || token.equals("blink")) {
+ if (token.equals("bold")) {
+ bold = true;
+ token = tokenizer.nextToken();
+ }
+ if (token.equals("blink")) {
+ blink = true;
+ token = tokenizer.nextToken();
+ }
+ }
+
+ // What's left is "blah on blah"
+ foreColor = token.toLowerCase();
+
+ if (!tokenizer.nextToken().toLowerCase().equals("on")) {
+ // Invalid line.
+ return;
+ }
+ backColor = tokenizer.nextToken().toLowerCase();
+
+ CellAttributes color = new CellAttributes();
+ if (bold) {
+ color.setBold(true);
+ }
+ if (blink) {
+ color.setBlink(true);
+ }
+ color.setForeColor(Color.getColor(foreColor));
+ color.setBackColor(Color.getColor(backColor));
+ colors.put(key, color);
+ }
+
+ /**
+ * Read color theme mappings from a Reader. The reader is closed at the
+ * end.
+ *
+ * @param reader the reader to read from
+ * @throws IOException if the I/O fails
+ */
+ public void load(final Reader reader) throws IOException {
+ BufferedReader bufferedReader = new BufferedReader(reader);
+ String line = bufferedReader.readLine();
+ for (; line != null; line = bufferedReader.readLine()) {
+ // Look for lines that resemble:
+ // "key = blah on blah"
+ // "key = bold blah on blah"
+ // "key = blink bold blah on blah"
+ // "key = bold blink blah on blah"
+ // "key = blink blah on blah"
+ if (line.indexOf('=') == -1) {
+ // Invalid line.
+ continue;
+ }
+ String key = line.substring(0, line.indexOf(':')).trim();
+ String text = line.substring(line.indexOf(':') + 1);
+ setColorFromString(key, text);
+ }
+ // All done.
+ bufferedReader.close();
+ }
+
+ /**
+ * Sets to defaults that resemble the Borland IDE colors.
+ */
+ public void setDefaultTheme() {
+ CellAttributes color;
+
+ // TWindow border
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("twindow.border", color);
+
+ // TWindow background
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("twindow.background", color);
+
+ // TWindow border - inactive
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("twindow.border.inactive", color);
+
+ // TWindow background - inactive
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("twindow.background.inactive", color);
+
+ // TWindow border - modal
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.WHITE);
+ color.setBold(true);
+ colors.put("twindow.border.modal", color);
+
+ // TWindow background - modal
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("twindow.background.modal", color);
+
+ // TWindow border - modal + inactive
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(true);
+ colors.put("twindow.border.modal.inactive", color);
+
+ // TWindow background - modal + inactive
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("twindow.background.modal.inactive", color);
+
+ // TWindow border - during window movement - modal
+ color = new CellAttributes();
+ color.setForeColor(Color.GREEN);
+ color.setBackColor(Color.WHITE);
+ color.setBold(true);
+ colors.put("twindow.border.modal.windowmove", color);
+
+ // TWindow border - during window movement
+ color = new CellAttributes();
+ color.setForeColor(Color.GREEN);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("twindow.border.windowmove", color);
+
+ // TWindow background - during window movement
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("twindow.background.windowmove", color);
+
+ // TDesktop background
+ color = new CellAttributes();
+ color.setForeColor(Color.BLUE);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tdesktop.background", color);
+
+ // TButton text
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.GREEN);
+ color.setBold(false);
+ colors.put("tbutton.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.CYAN);
+ color.setBackColor(Color.GREEN);
+ color.setBold(true);
+ colors.put("tbutton.active", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(true);
+ colors.put("tbutton.disabled", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.GREEN);
+ color.setBold(true);
+ colors.put("tbutton.mnemonic", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.GREEN);
+ color.setBold(true);
+ colors.put("tbutton.mnemonic.highlighted", color);
+
+ // TLabel text
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("tlabel", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("tlabel.mnemonic", color);
+
+ // TText text
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("ttext", color);
+
+ // TField text
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tfield.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("tfield.active", color);
+
+ // TCheckBox
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tcheckbox.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLACK);
+ color.setBold(true);
+ colors.put("tcheckbox.active", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("tcheckbox.mnemonic", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.RED);
+ color.setBackColor(Color.BLACK);
+ color.setBold(true);
+ colors.put("tcheckbox.mnemonic.highlighted", color);
+
+ // TComboBox
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tcombobox.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLUE);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("tcombobox.active", color);
+
+ // TSpinner
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tspinner.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLUE);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("tspinner.active", color);
+
+ // TCalendar
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tcalendar.background", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tcalendar.day", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.RED);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tcalendar.day.selected", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLUE);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("tcalendar.arrow", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("tcalendar.title", color);
+
+ // TRadioButton
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tradiobutton.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLACK);
+ color.setBold(true);
+ colors.put("tradiobutton.active", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("tradiobutton.mnemonic", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.RED);
+ color.setBackColor(Color.BLACK);
+ color.setBold(true);
+ colors.put("tradiobutton.mnemonic.highlighted", color);
+
+ // TRadioGroup
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tradiogroup.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("tradiogroup.active", color);
+
+ // TMenu
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tmenu", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.GREEN);
+ color.setBold(false);
+ colors.put("tmenu.highlighted", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.RED);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tmenu.mnemonic", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.RED);
+ color.setBackColor(Color.GREEN);
+ color.setBold(false);
+ colors.put("tmenu.mnemonic.highlighted", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(true);
+ colors.put("tmenu.disabled", color);
+
+ // TProgressBar
+ color = new CellAttributes();
+ color.setForeColor(Color.BLUE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("tprogressbar.complete", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tprogressbar.incomplete", color);
+
+ // THScroller / TVScroller
+ color = new CellAttributes();
+ color.setForeColor(Color.CYAN);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tscroller.bar", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLUE);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("tscroller.arrows", color);
+
+ // TTreeView
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("ttreeview", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.GREEN);
+ color.setBackColor(Color.BLUE);
+ color.setBold(true);
+ colors.put("ttreeview.expandbutton", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("ttreeview.selected", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.RED);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("ttreeview.unreadable", color);
+ color = new CellAttributes();
+ // color.setForeColor(Color.BLACK);
+ // color.setBackColor(Color.BLUE);
+ // color.setBold(true);
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("ttreeview.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("ttreeview.selected.inactive", color);
+
+ // TList
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tlist", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("tlist.selected", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("tlist.unreadable", color);
+ color = new CellAttributes();
+ // color.setForeColor(Color.BLACK);
+ // color.setBackColor(Color.BLUE);
+ // color.setBold(true);
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tlist.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tlist.selected.inactive", color);
+
+ // TStatusBar
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tstatusbar.text", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.RED);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("tstatusbar.button", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tstatusbar.selected", color);
+
+ // TEditor
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("teditor", color);
+
+ // TTable
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("ttable.inactive", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.CYAN);
+ color.setBold(false);
+ colors.put("ttable.active", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.YELLOW);
+ color.setBackColor(Color.CYAN);
+ color.setBold(true);
+ colors.put("ttable.selected", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLACK);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("ttable.label", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.BLUE);
+ color.setBackColor(Color.WHITE);
+ color.setBold(false);
+ colors.put("ttable.label.selected", color);
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("ttable.border", color);
+
+ // TSplitPane
+ color = new CellAttributes();
+ color.setForeColor(Color.WHITE);
+ color.setBackColor(Color.BLUE);
+ color.setBold(false);
+ colors.put("tsplitpane", color);
+
+ }
+
+ /**
+ * Make human-readable description of this Cell.
+ *
+ * @return displayable String
+ */
+ @Override
+ public String toString() {
+ return colors.toString();
+ }
+
+}