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EditorStatus.java
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342 lines (266 loc) · 8.12 KB
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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2012-16 The Processing Foundation
Copyright (c) 2004-12 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.ui;
import java.awt.Color;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import javax.swing.plaf.basic.BasicSplitPaneDivider;
import javax.swing.plaf.basic.BasicSplitPaneUI;
import processing.app.Mode;
import processing.app.Platform;
import processing.core.PApplet;
/**
* Panel just below the editing area that contains status messages.
*/
public class EditorStatus extends BasicSplitPaneDivider { //JPanel {
static final int HIGH = 28;
static final int LEFT_MARGIN = Editor.LEFT_GUTTER;
static final int RIGHT_MARGIN = 20;
Color urlColor;
Color[] fgColor;
Color[] bgColor;
Image[] bgImage;
@SuppressWarnings("hiding")
static public final int ERROR = 1;
static public final int CURSOR_LINE_ERROR = 2;
static public final int WARNING = 3;
static public final int CURSOR_LINE_WARNING = 4;
static public final int NOTICE = 0;
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;
String url;
int rightEdge;
int mouseX;
boolean urlRollover;
Font font;
FontMetrics metrics;
int ascent;
Image offscreen;
int sizeW, sizeH;
int response;
boolean indeterminate;
Thread thread;
public EditorStatus(BasicSplitPaneUI ui, Editor editor) {
super(ui);
this.editor = editor;
empty();
updateMode();
addMouseListener(new MouseAdapter() {
@Override
public void mouseEntered(MouseEvent e) {
updateMouse();
}
@Override
public void mousePressed(MouseEvent e) {
if (urlRollover) {
Platform.openURL(url);
}
}
@Override
public void mouseExited(MouseEvent e) {
updateMouse();
}
});
addMouseMotionListener(new MouseMotionAdapter() {
@Override
public void mouseMoved(MouseEvent e) {
mouseX = e.getX();
updateMouse();
}
});
}
void updateMouse() {
if (urlRollover) {
setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
} else {
setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
}
repaint();
}
static String findURL(String message) {
String[] m = PApplet.match(message, "http\\S+");
if (m != null) {
return m[0];
}
return null;
}
public void updateMode() {
Mode mode = editor.getMode();
urlColor = mode.getColor("status.url.fgcolor");
fgColor = new Color[] {
mode.getColor("status.notice.fgcolor"),
mode.getColor("status.error.fgcolor"),
mode.getColor("status.error.fgcolor"),
mode.getColor("status.warning.fgcolor"),
mode.getColor("status.warning.fgcolor")
};
bgColor = new Color[] {
mode.getColor("status.notice.bgcolor"),
mode.getColor("status.error.bgcolor"),
mode.getColor("status.error.bgcolor"),
mode.getColor("status.warning.bgcolor"),
mode.getColor("status.warning.bgcolor")
};
bgImage = new Image[] {
mode.loadImage("/lib/status/notice.png"),
mode.loadImage("/lib/status/error.png"),
mode.loadImage("/lib/status/error.png"),
mode.loadImage("/lib/status/warning.png"),
mode.loadImage("/lib/status/warning.png")
};
font = mode.getFont("status.font");
metrics = null;
}
public void empty() {
mode = NOTICE;
message = NO_MESSAGE;
url = null;
repaint();
}
public void message(String message, int mode) {
this.message = message;
this.mode = mode;
url = findURL(message);
repaint();
}
public void notice(String message) {
message(message, NOTICE);
// mode = NOTICE;
// this.message = message;
// url = findURL(message);
// repaint();
}
// public void unnotice(String unmessage) {
// if (message.equals(unmessage)) empty();
// }
public void warning(String message) {
message(message, WARNING);
// this.message = message;
// mode = WARNING;
// url = findURL(message);
// repaint();
}
public void error(String message) {
message(message, ERROR);
// this.message = message;
// mode = ERROR;
// url = findURL(message);
// repaint();
}
public void startIndeterminate() {
indeterminate = true;
thread = new Thread() {
public void run() {
while (Thread.currentThread() == thread) {
repaint();
try {
Thread.sleep(1000 / 10);
} catch (InterruptedException e) { }
}
}
};
thread.setName("Editor Status");
thread.start();
}
public void stopIndeterminate() {
indeterminate = false;
thread = null;
repaint();
}
//public void paintComponent(Graphics screen) {
public void paint(Graphics screen) {
// if (okButton == null) setup();
Dimension size = getSize();
if ((size.width != sizeW) || (size.height != sizeH)) {
// component has been resized
offscreen = null;
}
if (offscreen == null) {
sizeW = size.width;
sizeH = size.height;
if (Toolkit.highResDisplay()) {
offscreen = createImage(sizeW*2, sizeH*2);
} else {
offscreen = createImage(sizeW, sizeH);
}
}
Graphics g = offscreen.getGraphics();
/*Graphics2D g2 =*/ Toolkit.prepareGraphics(g);
g.setFont(font);
if (metrics == null) {
metrics = g.getFontMetrics();
ascent = metrics.getAscent();
}
g.drawImage(bgImage[mode], 0, 0, sizeW, sizeH, this);
g.setColor(fgColor[mode]);
// https://github.com/processing/processing/issues/3265
if (message != null) {
// needs to be set each time on osx
g.setFont(font);
// calculate right edge of the text for rollovers (otherwise the pane
// cannot be resized up or down whenever a URL is being displayed)
rightEdge = LEFT_MARGIN + g.getFontMetrics().stringWidth(message);
// set the highlight color on rollover so that the user's not surprised
// to see the web browser open when they click
urlRollover = (url != null) &&
(mouseX > LEFT_MARGIN && mouseX < rightEdge);
if (urlRollover) {
g.setColor(urlColor);
}
g.drawString(message, LEFT_MARGIN, (sizeH + ascent) / 2);
}
if (indeterminate) {
//int x = cancelButton.getX();
//int w = cancelButton.getWidth();
int w = Toolkit.getButtonWidth();
int x = getWidth() - RIGHT_MARGIN - w;
int y = getHeight() / 3;
int h = getHeight() / 3;
g.setColor(new Color(0x80000000, true));
g.drawRect(x, y, w, h);
for (int i = 0; i < 10; i++) {
int r = (int) (x + Math.random() * w);
g.drawLine(r, y, r, y+h);
}
}
screen.drawImage(offscreen, 0, 0, sizeW, sizeH, null);
}
public Dimension getPreferredSize() {
return getMinimumSize();
}
public Dimension getMinimumSize() {
return new Dimension(300, HIGH);
}
public Dimension getMaximumSize() {
return new Dimension(super.getMaximumSize().width, HIGH);
}
}