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/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Copyright (c) 2015 The Processing Foundation
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.CardLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.font.FontRenderContext;
import java.awt.geom.Ellipse2D;
import java.util.ArrayList;
import java.util.List;
import javax.swing.*;
import processing.app.Mode;
import processing.app.Sketch;
import processing.app.contrib.ContributionManager;
/**
* Console/error/whatever tabs at the bottom of the editor window.
* This shares a lot of code with EditorHeader and the Manager tabs as well.
*/
public class EditorFooter extends Box {
// height of this tab bar
static final int HIGH = Toolkit.zoom(32);
static final int CURVE_RADIUS = Toolkit.zoom(6);
static final int TAB_TOP = Toolkit.zoom(2);
static final int TAB_BOTTOM = Toolkit.zoom(29);
// amount of extra space between individual tabs
static final int TAB_BETWEEN = Toolkit.zoom(2);
// amount of margin on the left/right for the text on the tab
static final int MARGIN = Toolkit.zoom(14);
static final int ICON_WIDTH = Toolkit.zoom(16);
static final int ICON_HEIGHT = Toolkit.zoom(16);
static final int ICON_TOP = Toolkit.zoom(7);
static final int ICON_MARGIN = Toolkit.zoom(7);
static final int UNSELECTED = 0;
static final int SELECTED = 1;
Color[] textColor = new Color[2];
Color[] tabColor = new Color[2];
Color updateColor;
int updateLeft;
Editor editor;
List tabs = new ArrayList<>();
Font font;
int fontAscent;
Image offscreen;
int sizeW, sizeH;
int imageW, imageH;
Image gradient;
Color bgColor;
JPanel cardPanel;
CardLayout cardLayout;
Controller controller;
int updateCount;
public EditorFooter(Editor eddie) {
super(BoxLayout.Y_AXIS);
this.editor = eddie;
updateMode();
cardLayout = new CardLayout();
cardPanel = new JPanel(cardLayout);
add(cardPanel);
controller = new Controller();
add(controller);
}
/** Add a panel with no icon. */
public void addPanel(Component comp, String name) {
addPanel(comp, name, null);
}
/**
* Add a panel with a name and icon.
* @param comp Component that will be shown when this tab is selected
* @param name Title to appear on the tab itself
* @param icon Prefix of the file name for the icon
*/
public void addPanel(Component comp, String name, String icon) {
tabs.add(new Tab(comp, name, icon));
cardPanel.add(name, comp);
}
// public void setPanel(int index) {
// cardLayout.show(cardPanel, tabs.get(index).name);
// }
public void setPanel(Component comp) {
for (Tab tab : tabs) {
if (tab.comp == comp) {
cardLayout.show(cardPanel, tab.name);
repaint();
}
}
}
public void setNotification(Component comp, boolean note) {
for (Tab tab : tabs) {
if (tab.comp == comp) {
tab.notification = note;
repaint();
}
}
}
public void setUpdateCount(int count) {
this.updateCount = count;
repaint();
}
public void updateMode() {
Mode mode = editor.getMode();
textColor[SELECTED] = mode.getColor("footer.text.selected.color");
textColor[UNSELECTED] = mode.getColor("footer.text.unselected.color");
font = mode.getFont("footer.text.font");
tabColor[SELECTED] = mode.getColor("footer.tab.selected.color");
tabColor[UNSELECTED] = mode.getColor("footer.tab.unselected.color");
updateColor = mode.getColor("footer.updates.color");
gradient = mode.makeGradient("footer", 400, HIGH);
// Set the default background color in case the window size reported
// incorrectly by the OS, or we miss an update event of some kind
// https://github.com/processing/processing/issues/3919
bgColor = mode.getColor("footer.gradient.bottom");
setBackground(bgColor);
}
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
class Controller extends JComponent {
Controller() {
addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
int x = e.getX();
for (Tab tab : tabs) {
if (tab.contains(x)) {
//editor.setFooterPanel(tab.index);
cardLayout.show(cardPanel, tab.name);
repaint();
}
}
if (updateCount > 0 && x > updateLeft) {
ContributionManager.openUpdates();
}
}
});
}
public void paintComponent(Graphics screen) {
if (screen == null) return;
Sketch sketch = editor.getSketch();
if (sketch == null) return; // possible?
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 {
// if the image is larger than necessary, no need to change
sizeW = size.width;
sizeH = size.height;
}
}
if (offscreen == null) {
sizeW = size.width;
sizeH = size.height;
imageW = sizeW;
imageH = sizeH;
offscreen = Toolkit.offscreenGraphics(this, imageW, imageH);
}
Graphics g = offscreen.getGraphics();
g.setFont(font); // need to set this each time through
if (fontAscent == 0) {
fontAscent = (int) Toolkit.getAscent(g);
}
Graphics2D g2 = Toolkit.prepareGraphics(g);
g.setColor(tabColor[SELECTED]);
// can't be done with lines, b/c retina leaves tiny hairlines
g.fillRect(0, 0, imageW, Toolkit.zoom(2));
g.drawImage(gradient, 0, Toolkit.zoom(2), imageW, imageH, this);
// reset all tab positions
for (Tab tab : tabs) {
tab.textWidth = (int)
font.getStringBounds(tab.name, g2.getFontRenderContext()).getWidth();
}
// now actually draw the tabs
drawTabs(Editor.LEFT_GUTTER, g2);
// the number of updates available in the Manager
drawUpdates(g2);
screen.drawImage(offscreen, 0, 0, imageW, imageH, null);
}
/**
* @param left starting position from the left
* @param g graphics context, or null if we're not drawing
*/
private void drawTabs(int left, Graphics2D g) {
int x = left;
for (Tab tab : tabs) {
tab.left = x;
x += MARGIN;
if (tab.hasIcon()) {
x += ICON_WIDTH + MARGIN;
}
x += tab.textWidth + MARGIN;
tab.right = x;
tab.draw(g);
x += TAB_BETWEEN;
}
}
private void drawUpdates(Graphics2D g2) {
if (updateCount != 0) {
FontRenderContext frc = g2.getFontRenderContext();
final int GAP = Toolkit.zoom(5);
final String updateLabel = "Updates";
String updatesStr = "" + updateCount;
double countWidth = font.getStringBounds(updatesStr, frc).getWidth();
if (fontAscent > countWidth) {
countWidth = fontAscent;
}
float diameter = (float) (countWidth * 1.65f);
float ex = getWidth() - Editor.RIGHT_GUTTER - diameter;
float ey = (getHeight() - diameter) / 2;
g2.setColor(updateColor);
g2.fill(new Ellipse2D.Float(ex, ey, diameter, diameter));
g2.setColor(textColor[SELECTED]);
int baseline = (getHeight() + fontAscent) / 2;
g2.drawString(updatesStr, (int) (ex + (diameter - countWidth)/2), baseline);
double updatesWidth = font.getStringBounds(updateLabel, frc).getWidth();
g2.setColor(textColor[UNSELECTED]);
updateLeft = (int) (ex - updatesWidth - GAP);
g2.drawString(updateLabel, updateLeft, baseline);
}
}
public Dimension getPreferredSize() {
return new Dimension(Toolkit.zoom(300), HIGH);
}
public Dimension getMinimumSize() {
return getPreferredSize();
}
public Dimension getMaximumSize() {
return new Dimension(super.getMaximumSize().width, HIGH);
}
}
// . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
class Tab {
String name;
Component comp;
boolean notification;
Image enabledIcon;
Image selectedIcon;
int left;
int right;
int textWidth;
Tab(Component comp, String name, String icon) {
this.comp = comp;
this.name = name;
if (icon != null) {
Mode mode = editor.getMode();
enabledIcon = mode.loadImageX(icon + "-enabled");
selectedIcon = mode.loadImageX(icon + "-selected");
if (selectedIcon == null) {
selectedIcon = enabledIcon; // use this as the default
}
}
}
boolean contains(int x) {
return x >= left && x <= right;
}
boolean isCurrent() {
return comp.isVisible();
}
boolean isFirst() {
return tabs.get(0) == this;
}
boolean isLast() {
return tabs.get(tabs.size() - 1) == this;
}
int getTextLeft() {
int links = left;
if (enabledIcon != null) {
links += ICON_WIDTH + ICON_MARGIN;
}
return links + ((right - links) - textWidth) / 2;
}
boolean hasIcon() {
return enabledIcon != null;
}
void draw(Graphics g) {
int state = isCurrent() ? SELECTED : UNSELECTED;
g.setColor(tabColor[state]);
// if (notification) {
// g.setColor(errorColor);
// }
Graphics2D g2 = (Graphics2D) g;
g2.fill(Toolkit.createRoundRect(left, TAB_TOP, right, TAB_BOTTOM, 0, 0,
isLast() ? CURVE_RADIUS : 0,
isFirst() ? CURVE_RADIUS : 0));
if (hasIcon()) {
Image icon = (isCurrent() || notification) ? selectedIcon : enabledIcon;
g.drawImage(icon, left + MARGIN, ICON_TOP, ICON_WIDTH, ICON_HEIGHT, null);
}
int textLeft = getTextLeft();
if (notification && state == UNSELECTED) {
g.setColor(textColor[SELECTED]);
} else {
g.setColor(textColor[state]);
}
int tabHeight = TAB_BOTTOM - TAB_TOP;
int baseline = TAB_TOP + (tabHeight + fontAscent) / 2;
g.drawString(name, textLeft, baseline);
}
}
}
