/**
* Copyright (c) 2005-2013 by Appcelerator, Inc. All Rights Reserved.
* Licensed under the terms of the Eclipse Public License (EPL).
* Please see the license.txt included with this distribution for details.
* Any modifications to this file must keep this entire header intact.
*/
package org.python.pydev.debug.newconsole.prefs;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferenceConverter;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.swt.widgets.Display;
import org.python.pydev.core.log.Log;
import org.python.pydev.debug.core.PydevDebugPlugin;
import org.python.pydev.debug.newconsole.PydevConsoleConstants;
import org.python.pydev.shared_core.SharedCorePlugin;
import org.python.pydev.shared_core.string.StringUtils;
/**
* Generic color manager.
*/
public class ColorManager {
private static ColorManager fgColorManager;
/**
* Singleton
*/
private ColorManager() {
}
public static ColorManager getDefault() {
if (fgColorManager == null) {
fgColorManager = new ColorManager();
}
return fgColorManager;
}
/**
* Cache for colors
*/
protected Map<RGB, Color> fColorTable = new HashMap<RGB, Color>(10);
public static final RGB dimBlack = new RGB(0, 0, 0);
public static final RGB dimRed = new RGB(205, 0, 0);
public static final RGB dimGreen = new RGB(0, 205, 0);
public static final RGB dimYellow = new RGB(205, 205, 0);
public static final RGB dimBlue = new RGB(0, 0, 238);
public static final RGB dimMagenta = new RGB(205, 0, 205);
public static final RGB dimCyan = new RGB(0, 205, 205);
public static final RGB dimWhite = new RGB(229, 229, 229);
public static final RGB brightBlack = new RGB(127, 127, 127);
public static final RGB brightRed = new RGB(255, 0, 0);
public static final RGB brightGreen = new RGB(0, 252, 0);
public static final RGB brightYellow = new RGB(255, 255, 0);
public static final RGB brightBlue = new RGB(0, 0, 252);
public static final RGB brightMagenta = new RGB(255, 0, 255);
public static final RGB brightCyan = new RGB(0, 255, 255);
public static final RGB brightWhite = new RGB(255, 255, 255);
/**
* Receives a string such as:
*
* <ESC>[{attr1};...;{attrn}m
*
* Where {attr1}...{attrn} are numbers so that:
*
* Foreground Colors
* 30 Black
* 31 Red
* 32 Green
* 33 Yellow
* 34 Blue
* 35 Magenta
* 36 Cyan
* 37 White
*
* Background Colors
* 40 Black
* 41 Red
* 42 Green
* 43 Yellow
* 44 Blue
* 45 Magenta
* 46 Cyan
* 47 White
*
* If 0;30 is received, it means a 'dim' version of black, if 1;30 is received, it means a 'bright' version is used.
*
* If [0m is received, the attributes are reset (and null may be returned in this case).
*
* Reference: http://graphcomp.com/info/specs/ansi_col.html
*/
public TextAttribute getAnsiTextAttribute(String str, TextAttribute prevAttribute, TextAttribute resetAttribute) {
if (str.startsWith("[")) {
str = str.substring(1);
}
int foundM = str.indexOf('m');
if (foundM == -1) {
return prevAttribute;
}
str = str.substring(0, foundM);
if (str.equals("0")) {
return resetAttribute;
}
boolean bright = false;
Color foreground = null;
Color background = null;
List<String> split = StringUtils.split(str, ';');
for (String string : split) {
try {
int parsed = Integer.parseInt(string);
switch (parsed) {
case 0:
bright = false;
break;
case 1:
bright = true;
break;
case 30:// Black
foreground = getColor(bright ? brightBlack : dimBlack);
break;
case 31:// Red
foreground = getColor(bright ? brightRed : dimRed);
break;
case 32:// Green
foreground = getColor(bright ? brightGreen : dimGreen);
break;
case 33:// Yellow
foreground = getColor(bright ? brightYellow : dimYellow);
break;
case 34:// Blue
foreground = getColor(bright ? brightBlue : dimBlue);
break;
case 35:// Magenta
foreground = getColor(bright ? brightMagenta : dimMagenta);
break;
case 36:// Cyan
foreground = getColor(bright ? brightCyan : dimCyan);
break;
case 37:// White
foreground = getColor(bright ? brightWhite : dimWhite);
break;
case 40:// Black
background = getColor(bright ? brightBlack : dimBlack);
break;
case 41:// Red
background = getColor(bright ? brightRed : dimRed);
break;
case 42:// Green
background = getColor(bright ? brightGreen : dimGreen);
break;
case 43:// Yellow
background = getColor(bright ? brightYellow : dimYellow);
break;
case 44:// Blue
background = getColor(bright ? brightBlue : dimBlue);
break;
case 45:// Magenta
background = getColor(bright ? brightMagenta : dimMagenta);
break;
case 46:// Cyan
background = getColor(bright ? brightCyan : dimCyan);
break;
case 47:// White
background = getColor(bright ? brightWhite : dimWhite);
break;
default:
break;
}
} catch (NumberFormatException e) {
//ignore
}
}
return new TextAttribute(foreground != null ? foreground : prevAttribute.getForeground(),
background != null ? background : prevAttribute.getBackground(), prevAttribute.getStyle());
}
public Color getColor(RGB rgb) {
Display current = Display.getCurrent();
if (current == null) {
Log.log("Should not try to get color in a non-ui thread (it will fail if the color is not cached!)");
}
Color color = fColorTable.get(rgb);
if (color == null) {
color = new Color(current, rgb);
fColorTable.put(rgb, color);
}
return color;
}
public void dispose() {
Iterator<Color> e = fColorTable.values().iterator();
while (e.hasNext()) {
e.next().dispose();
}
}
/**
*
* @param type: see constants at {@link PydevConsoleConstants}
* @return a color to be used.
*/
public Color getPreferenceColor(String type) {
if (SharedCorePlugin.inTestMode()) {
return null;
}
PydevDebugPlugin plugin = PydevDebugPlugin.getDefault();
IPreferenceStore preferenceStore = plugin.getPreferenceStore();
return getColor(PreferenceConverter.getColor(preferenceStore, type));
}
//Note that to update the code below, the install.py of this plugin should be run.
/*[[[cog
import cog
template = '''
public TextAttribute get%sTextAttribute() {
Color color = getPreferenceColor(PydevConsoleConstants.%s_COLOR);
return new TextAttribute(color, null, 0);
}'''
for s in (
'console_error', 'console_output', 'console_input', 'console_prompt'):
cog.outl(template % (s.title().replace('_', ''), s.upper()))
]]]*/
public TextAttribute getConsoleErrorTextAttribute() {
Color color = getPreferenceColor(PydevConsoleConstants.CONSOLE_ERROR_COLOR);
return new TextAttribute(color, null, 0);
}
public TextAttribute getConsoleOutputTextAttribute() {
Color color = getPreferenceColor(PydevConsoleConstants.CONSOLE_OUTPUT_COLOR);
return new TextAttribute(color, null, 0);
}
public TextAttribute getConsoleInputTextAttribute() {
Color color = getPreferenceColor(PydevConsoleConstants.CONSOLE_INPUT_COLOR);
return new TextAttribute(color, null, 0);
}
public TextAttribute getConsolePromptTextAttribute() {
Color color = getPreferenceColor(PydevConsoleConstants.CONSOLE_PROMPT_COLOR);
return new TextAttribute(color, null, 0);
}
//[[[end]]]
public Color getConsoleBackgroundColor() {
Color color = getPreferenceColor(PydevConsoleConstants.CONSOLE_BACKGROUND_COLOR);
return color;
}
/**
* Default background color for debug console is set to light gray so that
* the user is able to quickly differentiate between a REPL window and the
* existing console window
*
* @return
*/
public Color getDebugConsoleBackgroundColor() {
Color color = getPreferenceColor(PydevConsoleConstants.DEBUG_CONSOLE_BACKGROUND_COLOR);
return color;
}
public TextAttribute getHyperlinkTextAttribute() {
return null; //use default
}
public TextAttribute getForegroundTextAttribute() {
return null; //use default
}
}