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Processing is a programming language, development environment, and online community.
This PDE package contains the Processing IDE.
/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-11 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
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; either version 2 of the License, or
(at your option) any later version.
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 processing.app;
import java.awt.*;
import java.io.*;
import java.util.*;
import processing.app.ui.Toolkit;
import processing.core.*;
/**
* Storage class for theme settings. This was separated from the Preferences
* class for 1.0 so that the coloring wouldn't conflict with previous releases
* and to make way for future ability to customize.
*/
public class Settings {
/**
* Copy of the defaults in case the user mangles a preference.
* It's necessary to keep a copy of the defaults around, because the user may
* have replaced a setting on their own. In the past, we used to load the
* defaults, then replace those with what was in the user's preferences file.
* Problem is, if something like a font entry in the user's file no longer
* parses properly, we need to be able to get back to a clean version of that
* setting so we can recover.
*/
HashMap defaults;
/** Table of attributes/values. */
HashMap table = new HashMap();;
/** Associated file for this settings data. */
File file;
public Settings(File file) throws IOException {
this.file = file;
if (file.exists()) {
load();
}
// clone the hash table
defaults = (HashMap) table.clone();
}
public void load() {
load(file);
}
public void load(File additions) {
String[] lines = PApplet.loadStrings(additions);
for (String line : lines) {
if ((line.length() == 0) ||
(line.charAt(0) == '#')) continue;
// this won't properly handle = signs being in the text
int equals = line.indexOf('=');
if (equals != -1) {
String key = line.substring(0, equals).trim();
String value = line.substring(equals + 1).trim();
table.put(key, value);
}
}
// check for platform-specific properties in the defaults
String platformExt = "." + Platform.getName();
int platformExtLength = platformExt.length();
for (String key : table.keySet()) {
if (key.endsWith(platformExt)) {
// this is a key specific to a particular platform
String actualKey = key.substring(0, key.length() - platformExtLength);
String value = get(key);
table.put(actualKey, value);
}
}
}
public void save() {
PrintWriter writer = PApplet.createWriter(file);
for (String key : table.keySet()) {
writer.println(key + "=" + table.get(key));
}
writer.flush();
writer.close();
}
public String get(String attribute) {
return table.get(attribute);
}
public String getDefault(String attribute) {
return defaults.get(attribute);
}
public void set(String attribute, String value) {
table.put(attribute, value);
}
public boolean getBoolean(String attribute) {
String value = get(attribute);
if (value == null) {
System.err.println("Boolean not found: " + attribute);
return false;
}
return Boolean.parseBoolean(value);
}
public void setBoolean(String attribute, boolean value) {
set(attribute, value ? "true" : "false");
}
public int getInteger(String attribute) {
String value = get(attribute);
if (value == null) {
System.err.println("Integer not found: " + attribute);
return 0;
}
return Integer.parseInt(value);
}
public void setInteger(String key, int value) {
set(key, String.valueOf(value));
}
public Color getColor(String attribute) {
Color parsed = null;
String s = get(attribute);
if ((s != null) && (s.indexOf("#") == 0)) {
try {
int v = Integer.parseInt(s.substring(1), 16);
parsed = new Color(v);
} catch (Exception e) {
}
}
return parsed;
}
public void setColor(String attr, Color what) {
set(attr, "#" + PApplet.hex(what.getRGB() & 0xffffff, 6));
}
// identical version found in Preferences.java
public Font getFont(String attr) {
try {
boolean replace = false;
String value = get(attr);
if (value == null) {
// use the default font instead
value = getDefault(attr);
replace = true;
}
String[] pieces = PApplet.split(value, ',');
if (pieces.length != 3) {
value = getDefault(attr);
pieces = PApplet.split(value, ',');
replace = true;
}
String name = pieces[0];
int style = Font.PLAIN; // equals zero
if (pieces[1].indexOf("bold") != -1) { //$NON-NLS-1$
style |= Font.BOLD;
}
if (pieces[1].indexOf("italic") != -1) { //$NON-NLS-1$
style |= Font.ITALIC;
}
int size = PApplet.parseInt(pieces[2], 12);
// replace bad font with the default from lib/preferences.txt
if (replace) {
set(attr, value);
}
if (!name.startsWith("processing.")) {
return new Font(name, style, size);
} else {
if (pieces[0].equals("processing.sans")) {
return Toolkit.getSansFont(size, style);
} else if (pieces[0].equals("processing.mono")) {
return Toolkit.getMonoFont(size, style);
}
}
} catch (Exception e) {
// Adding try/catch block because this may be where
// a lot of startup crashes are happening.
Messages.log("Error with font " + get(attr) + " for attribute " + attr);
}
return new Font("Dialog", Font.PLAIN, 12);
}
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