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Arduino/app/EditorStatus.java

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Java
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/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2004-05 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.awt.event.*;
import javax.swing.*;
/**
* Panel just below the editing area that contains status messages.
*/
public class EditorStatus extends JPanel implements ActionListener {
static Color bgcolor[];
static Color fgcolor[];
static final int NOTICE = 0;
static final int ERR = 1;
static final int PROMPT = 2;
static final int EDIT = 3;
static final int YES = 1;
static final int NO = 2;
static final int CANCEL = 3;
static final int OK = 4;
static final String NO_MESSAGE = "";
Editor editor;
int mode;
String message;
Font font;
FontMetrics metrics;
int ascent;
Image offscreen;
int sizeW, sizeH;
int imageW, imageH;
JButton yesButton;
JButton noButton;
JButton cancelButton;
JButton okButton;
JTextField editField;
//Thread promptThread;
int response;
public EditorStatus(Editor editor) {
this.editor = editor;
empty();
if (bgcolor == null) {
bgcolor = new Color[4];
// Arduino 0003 switched to a blue color scheme to visually distinguish
// itself from Processing. Because the image files for certain interface
// elements (e.g. buttons and tabs) are distributed with the application
// while the preference file that specifies the IDE colors is stored in
// the user's home directory and shared across all versions of Arduino,
// we need to hardcode certain colors here to match the images.
// Otherwise, users who used different multiple versions of the software
// would sometimes see colors that didn't match the interface elements.
// This is a hack and prevents users from customizing the IDE colors,
// however, it obviates the need to provide for version-specific
// preferences.
//bgcolor[0] = Preferences.getColor("status.notice.bgcolor");
bgcolor[0] = new Color(0x54, 0x91, 0x9e);
bgcolor[1] = Preferences.getColor("status.error.bgcolor");
bgcolor[2] = Preferences.getColor("status.prompt.bgcolor");
bgcolor[3] = Preferences.getColor("status.prompt.bgcolor");
fgcolor = new Color[4];
fgcolor[0] = Preferences.getColor("status.notice.fgcolor");
fgcolor[1] = Preferences.getColor("status.error.fgcolor");
fgcolor[2] = Preferences.getColor("status.prompt.fgcolor");
fgcolor[3] = Preferences.getColor("status.prompt.fgcolor");
}
}
public void empty() {
mode = NOTICE;
message = NO_MESSAGE;
//update();
repaint();
}
public void notice(String message) {
mode = NOTICE;
this.message = message;
//update();
repaint();
}
public void unnotice(String unmessage) {
if (message.equals(unmessage)) empty();
}
public void error(String message) {
mode = ERR;
this.message = message;
repaint();
}
public void prompt(String message) {
mode = PROMPT;
this.message = message;
response = 0;
yesButton.setVisible(true);
noButton.setVisible(true);
cancelButton.setVisible(true);
yesButton.requestFocus();
repaint();
}
// prompt has been handled, re-hide the buttons
public void unprompt() {
yesButton.setVisible(false);
noButton.setVisible(false);
cancelButton.setVisible(false);
empty();
}
public void edit(String message, String dflt) {
mode = EDIT;
this.message = message;
response = 0;
okButton.setVisible(true);
cancelButton.setVisible(true);
editField.setVisible(true);
editField.setText(dflt);
editField.selectAll();
editField.requestFocus();
repaint();
}
public void unedit() {
okButton.setVisible(false);
cancelButton.setVisible(false);
editField.setVisible(false);
empty();
}
/*
public void update() {
Graphics g = this.getGraphics();
try {
setBackground(bgcolor[mode]);
} catch (NullPointerException e) { } // if not ready yet
if (g != null) paint(g);
}
public void update(Graphics g) {
paint(g);
}
*/
public void paintComponent(Graphics screen) {
//if (screen == null) return;
if (yesButton == null) setup();
//System.out.println("status.paintComponent");
Dimension size = getSize();
if ((size.width != sizeW) || (size.height != sizeH)) {
// component has been resized
if ((size.width > imageW) || (size.height > imageH)) {
// nix the image and recreate, it's too small
offscreen = null;
} else {
// who cares, just resize
sizeW = size.width;
sizeH = size.height;
setButtonBounds();
}
}
if (offscreen == null) {
sizeW = size.width;
sizeH = size.height;
setButtonBounds();
imageW = sizeW;
imageH = sizeH;
offscreen = createImage(imageW, imageH);
}
Graphics g = offscreen.getGraphics();
if (font == null) {
font = Preferences.getFont("status.font");
//new Font("SansSerif", Font.PLAIN, 12));
g.setFont(font);
metrics = g.getFontMetrics();
ascent = metrics.getAscent();
}
//setBackground(bgcolor[mode]); // does nothing
g.setColor(bgcolor[mode]);
g.fillRect(0, 0, imageW, imageH);
g.setColor(fgcolor[mode]);
g.setFont(font); // needs to be set each time on osx
g.drawString(message, Preferences.GUI_SMALL, (sizeH + ascent) / 2);
screen.drawImage(offscreen, 0, 0, null);
}
protected void setup() {
if (yesButton == null) {
yesButton = new JButton(Preferences.PROMPT_YES);
noButton = new JButton(Preferences.PROMPT_NO);
cancelButton = new JButton(Preferences.PROMPT_CANCEL);
okButton = new JButton(Preferences.PROMPT_OK);
// !@#(* aqua ui #($*(( that turtle-neck wearing #(** (#$@)(
// os9 seems to work if bg of component is set, but x still a bastard
if (Base.isMacOS()) {
yesButton.setBackground(bgcolor[PROMPT]);
noButton.setBackground(bgcolor[PROMPT]);
cancelButton.setBackground(bgcolor[PROMPT]);
okButton.setBackground(bgcolor[PROMPT]);
}
setLayout(null);
yesButton.addActionListener(this);
noButton.addActionListener(this);
cancelButton.addActionListener(this);
okButton.addActionListener(this);
add(yesButton);
add(noButton);
add(cancelButton);
add(okButton);
yesButton.setVisible(false);
noButton.setVisible(false);
cancelButton.setVisible(false);
okButton.setVisible(false);
editField = new JTextField();
editField.addActionListener(this);
//if (Base.platform != Base.MACOSX) {
editField.addKeyListener(new KeyAdapter() {
// no-op implemented because of a jikes bug
//protected void noop() { }
//public void keyPressed(KeyEvent event) {
//System.out.println("pressed " + event + " " + KeyEvent.VK_SPACE);
//}
// use keyTyped to catch when the feller is actually
// added to the text field. with keyTyped, as opposed to
// keyPressed, the keyCode will be zero, even if it's
// enter or backspace or whatever, so the keychar should
// be used instead. grr.
public void keyTyped(KeyEvent event) {
//System.out.println("got event " + event + " " +
// KeyEvent.VK_SPACE);
int c = event.getKeyChar();
if (c == KeyEvent.VK_ENTER) { // accept the input
String answer = editField.getText();
editor.sketch.nameCode(answer);
unedit();
event.consume();
// easier to test the affirmative case than the negative
} else if ((c == KeyEvent.VK_BACK_SPACE) ||
(c == KeyEvent.VK_DELETE) ||
(c == KeyEvent.VK_RIGHT) ||
(c == KeyEvent.VK_LEFT) ||
(c == KeyEvent.VK_UP) ||
(c == KeyEvent.VK_DOWN) ||
(c == KeyEvent.VK_HOME) ||
(c == KeyEvent.VK_END) ||
(c == KeyEvent.VK_SHIFT)) {
//System.out.println("nothing to see here");
//noop();
} else if (c == KeyEvent.VK_ESCAPE) {
unedit();
editor.buttons.clear();
event.consume();
} else if (c == KeyEvent.VK_SPACE) {
//System.out.println("got a space");
// if a space, insert an underscore
//editField.insert("_", editField.getCaretPosition());
/* tried to play nice and see where it got me
editField.dispatchEvent(new KeyEvent(editField,
KeyEvent.KEY_PRESSED,
System.currentTimeMillis(),
0, 45, '_'));
*/
//System.out.println("start/end = " +
// editField.getSelectionStart() + " " +
// editField.getSelectionEnd());
String t = editField.getText();
//int p = editField.getCaretPosition();
//editField.setText(t.substring(0, p) + "_" + t.substring(p));
//editField.setCaretPosition(p+1);
int start = editField.getSelectionStart();
int end = editField.getSelectionEnd();
editField.setText(t.substring(0, start) + "_" +
t.substring(end));
editField.setCaretPosition(start+1);
//System.out.println("consuming event");
event.consume();
} else if ((c == '_') || (c == '.') || // allow .pde and .java
((c >= 'A') && (c <= 'Z')) ||
((c >= 'a') && (c <= 'z'))) {
// everything fine, catches upper and lower
//noop();
} else if ((c >= '0') && (c <= '9')) {
// getCaretPosition == 0 means that it's the first char
// and the field is empty.
// getSelectionStart means that it *will be* the first
// char, because the selection is about to be replaced
// with whatever is typed.
if ((editField.getCaretPosition() == 0) ||
(editField.getSelectionStart() == 0)) {
// number not allowed as first digit
//System.out.println("bad number bad");
event.consume();
}
} else {
event.consume();
//System.out.println("code is " + code + " char = " + c);
}
//System.out.println("code is " + code + " char = " + c);
}
});
add(editField);
editField.setVisible(false);
}
}
protected void setButtonBounds() {
int top = (sizeH - Preferences.BUTTON_HEIGHT) / 2;
int eachButton = Preferences.GUI_SMALL + Preferences.BUTTON_WIDTH;
int cancelLeft = sizeW - eachButton;
int noLeft = cancelLeft - eachButton;
int yesLeft = noLeft - eachButton;
yesButton.setLocation(yesLeft, top);
noButton.setLocation(noLeft, top);
cancelButton.setLocation(cancelLeft, top);
editField.setLocation(yesLeft - Preferences.BUTTON_WIDTH, top);
okButton.setLocation(noLeft, top);
yesButton.setSize( Preferences.BUTTON_WIDTH, Preferences.BUTTON_HEIGHT);
noButton.setSize( Preferences.BUTTON_WIDTH, Preferences.BUTTON_HEIGHT);
cancelButton.setSize(Preferences.BUTTON_WIDTH, Preferences.BUTTON_HEIGHT);
okButton.setSize( Preferences.BUTTON_WIDTH, Preferences.BUTTON_HEIGHT);
editField.setSize( 2*Preferences.BUTTON_WIDTH, Preferences.BUTTON_HEIGHT);
}
public Dimension getPreferredSize() {
return getMinimumSize();
}
public Dimension getMinimumSize() {
return new Dimension(300, Preferences.GRID_SIZE);
}
public Dimension getMaximumSize() {
return new Dimension(3000, Preferences.GRID_SIZE);
}
public void actionPerformed(ActionEvent e) {
if (e.getSource() == noButton) {
// shut everything down, clear status, and return
unprompt();
// don't need to save changes
editor.checkModified2();
} else if (e.getSource() == yesButton) {
// answer was in response to "save changes?"
unprompt();
editor.handleSave();
editor.checkModified2();
} else if (e.getSource() == cancelButton) {
// don't do anything, don't continue with checkModified2
if (mode == PROMPT) unprompt();
else if (mode == EDIT) unedit();
editor.buttons.clear();
} else if (e.getSource() == okButton) {
// answering to "save as..." question
String answer = editField.getText();
//editor.handleSaveAs2(answer);
editor.sketch.nameCode(answer);
unedit();
}
}
}
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