/**
* Set the current background color to the given color.
*
* <p>The color object is cloned; you can change the original afterwards. If the color object is
* null, the current background color is turned off (same as nobackground).
*
* @param c the color object.
* @return the current background color.
*/
public Color background(Color c) {
return canvas.setBackground(c == null ? null : c.clone());
}
public void draw(Canvas _canvas, Rect _top_left) {
Rect myrect;
Rect subrect;
// START KGU 2015-10-13: All highlighting rules now encapsulated by this new method
// Color drawColor = getColor();
Color drawColor = getFillColor();
// END KGU 2015-10-13
FontMetrics fm = _canvas.getFontMetrics(Element.font);
Canvas canvas = _canvas;
// START KGU 2015-10-13: Became obsolete by new method getFillColor() applied above now
// if (selected==true)
// {
// drawColor=Element.E_DRAWCOLOR;
// }
// END KGU 2015-10-13
rect = _top_left.copy();
myrect = _top_left.copy();
myrect.bottom = myrect.top;
if (children.size() > 0) {
// draw children
for (int i = 0; i < children.size(); i++) {
subrect = ((Element) children.get(i)).prepareDraw(_canvas);
myrect.bottom += subrect.bottom;
if (i == children.size() - 1) {
myrect.bottom = _top_left.bottom;
}
((Element) children.get(i)).draw(_canvas, myrect);
// myrect.bottom-=1;
myrect.top += subrect.bottom;
}
} else {
// draw nothing
rect = _top_left.copy();
canvas.setBackground(drawColor);
canvas.setColor(drawColor);
myrect = _top_left.copy();
canvas.fillRect(myrect);
canvas.setColor(Color.BLACK);
canvas.writeOut(
_top_left.left
+ ((_top_left.right - _top_left.left) / 2)
- (_canvas.stringWidth("\u2205") / 2),
_top_left.top + ((_top_left.bottom - _top_left.top) / 2) + (fm.getHeight() / 2),
"\u2205");
canvas.drawRect(_top_left);
}
}
public void resetContext(boolean resetBackground) {
super.resetContext();
if (resetBackground) canvas.setBackground(new Color(1, 1, 1));
}
public void nobackground() {
canvas.setBackground(null);
}
/**
* Set the current background color to the given R/G/B/A value.
*
* @param x the red component.
* @param y the green component.
* @param z the blue component.
* @param a the alpha component.
* @return the current background color.
*/
public Color background(double x, double y, double z, double a) {
return canvas.setBackground(
new Color(normalize(x), normalize(y), normalize(z), normalize(a), colormode()));
}
/**
* Set the current background color to given grayscale and alpha value.
*
* @param x the grayscale value.
* @param y the alpha value.
* @return the current background color.
*/
public Color background(double x, double y) {
double nx = normalize(x);
return canvas.setBackground(new Color(nx, nx, nx, normalize(y)));
}
public void draw(Canvas _canvas, Rect _top_left) {
if (isCollapsed()) {
Instruction.draw(_canvas, _top_left, getCollapsedText(), this);
return;
}
Rect myrect = new Rect();
// START KGU 2015-10-13: All highlighting rules now encapsulated by this new method
// Color drawColor = getColor();
Color drawColor = getFillColor();
// END KGU 2015-10-13
FontMetrics fm = _canvas.getFontMetrics(font);
// int p;
// int w;
// START KGU 2015-10-13: Became obsolete by new method getFillColor() applied above now
// if (selected==true)
// {
// drawColor=Element.E_DRAWCOLOR;
// }
// END KGU 2015-10-13
Canvas canvas = _canvas;
canvas.setBackground(drawColor);
canvas.setColor(drawColor);
// draw background
myrect = _top_left.copy();
canvas.fillRect(myrect);
// draw shape
rect = _top_left.copy();
canvas.setColor(Color.BLACK);
canvas.drawRect(_top_left);
myrect = _top_left.copy();
myrect.bottom =
_top_left.top + fm.getHeight() * getText().count() + 2 * Math.round(Element.E_PADDING / 2);
canvas.drawRect(myrect);
myrect.bottom = _top_left.bottom;
myrect.top = myrect.bottom - E_PADDING;
canvas.drawRect(myrect);
myrect = _top_left.copy();
myrect.right = myrect.left + E_PADDING;
canvas.drawRect(myrect);
// fill shape
canvas.setColor(drawColor);
myrect.left = myrect.left + 1;
myrect.top = myrect.top + 1;
myrect.bottom = myrect.bottom;
myrect.right = myrect.right - 1;
canvas.fillRect(myrect);
myrect = _top_left.copy();
myrect.bottom =
_top_left.top + fm.getHeight() * getText().count() + 2 * Math.round(E_PADDING / 2);
myrect.left = myrect.left + 1;
myrect.top = myrect.top + 1;
myrect.bottom = myrect.bottom;
myrect.right = myrect.right - 1;
canvas.fillRect(myrect);
myrect.bottom = _top_left.bottom;
myrect.top = myrect.bottom - Element.E_PADDING;
myrect.left = myrect.left + 1;
myrect.top = myrect.top + 1;
myrect.bottom = myrect.bottom;
myrect.right = myrect.right;
canvas.fillRect(myrect);
// draw comment
if (Element.E_SHOWCOMMENTS == true && !comment.getText().trim().equals("")) {
// START KGU 2015-10-11: Use an inherited helper method now
// canvas.setBackground(E_COMMENTCOLOR);
// canvas.setColor(E_COMMENTCOLOR);
//
// Rect someRect = _top_left.copy();
//
// someRect.left+=2;
// someRect.top+=2;
// someRect.right=someRect.left+4;
// someRect.bottom-=1;
//
// canvas.fillRect(someRect);
this.drawCommentMark(canvas, _top_left);
// END KGU 2015-10-11
}
// START KGU 2015-10-11
// draw breakpoint bar if necessary
this.drawBreakpointMark(canvas, _top_left);
// END KGU 2015-10-11
// draw text
for (int i = 0; i < getText().count(); i++) {
String text = this.getText().get(i);
text = BString.replace(text, "<--", "<-");
canvas.setColor(Color.BLACK);
writeOutVariables(
canvas,
_top_left.left + Math.round(E_PADDING / 2),
_top_left.top + Math.round(E_PADDING / 2) + (i + 1) * fm.getHeight(),
text,
this);
}
// draw children
myrect = _top_left.copy();
myrect.left = myrect.left + Element.E_PADDING - 1;
myrect.top =
_top_left.top + fm.getHeight() * getText().count() + 2 * Math.round(E_PADDING / 2) - 1;
myrect.bottom = myrect.bottom - E_PADDING + 1;
q.draw(_canvas, myrect);
}
public void init() {
initCanvas();
WindowEventListener listener = new WindowEventListener();
this.addWindowFocusListener(listener);
this.addWindowListener(listener);
this.addWindowStateListener(listener);
JPanel wrapper = new JPanel();
wrapper.setLayout(new BoxLayout(wrapper, BoxLayout.Y_AXIS));
wrapper.add(Box.createVerticalGlue());
JPanel top = new JPanel();
top.setPreferredSize(new Dimension(800, 40));
top.setBorder(BorderFactory.createLineBorder(Color.BLACK));
top.setLayout(new BoxLayout(top, BoxLayout.X_AXIS));
ImageIcon pointerIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/pointer.png"))
.getImage()
.getScaledInstance(40, 40, Image.SCALE_SMOOTH));
JButton pointerButton = new JButton(pointerIcon);
pointerButton.setMaximumSize(new Dimension(40, 30));
pointerButton.setBorder(null);
pointerButton.setOpaque(false);
// pointerButton.setContentAreaFilled(false);
pointerButton.setBorderPainted(false);
pointerButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
canvas.removeAllHighlights();
canvas.removeDrags();
canvas.repaint();
}
});
JLabel stroke = new JLabel("Stroke: ");
JButton strokeButton = new JButton("");
strokeButton.setPreferredSize(new Dimension(30, 25));
strokeButton.setMinimumSize(new Dimension(30, 25));
strokeButton.setMaximumSize(new Dimension(30, 25));
JLabel fill = new JLabel("Fill: ");
JButton fillButton = new JButton("");
fillButton.setPreferredSize(new Dimension(30, 25));
fillButton.setMinimumSize(new Dimension(30, 25));
fillButton.setMaximumSize(new Dimension(30, 25));
JLabel zoom = new JLabel("Zoom: ");
JSlider slider = new JSlider(0, 100, 50);
slider.setMaximumSize(new Dimension(200, 30));
JButton minusMagnifier = new JButton("-");
JButton plusMagnifier = new JButton("+");
top.add(Box.createHorizontalGlue());
top.add(stroke);
top.add(strokeButton);
top.add(Box.createRigidArea(new Dimension(50, 40)));
top.add(fill);
top.add(fillButton);
top.add(Box.createRigidArea(new Dimension(100, 40)));
top.add(zoom);
top.add(slider);
top.add(minusMagnifier);
top.add(plusMagnifier);
top.add(Box.createRigidArea(new Dimension(50, 40)));
top.add(pointerButton);
top.add(Box.createRigidArea(new Dimension(100, 400)));
top.add(Box.createHorizontalGlue());
wrapper.add(top);
JPanel middle = new JPanel();
middle.setLayout(new BorderLayout());
JPanel left = new JPanel();
left.setPreferredSize(new Dimension(200, 600));
left.setBorder(BorderFactory.createLineBorder(Color.BLACK));
JPanel right = new JPanel();
right.setPreferredSize(new Dimension(600, 600));
right.setBorder(BorderFactory.createLineBorder(Color.BLACK));
middle.add(left, BorderLayout.WEST);
middle.add(right, BorderLayout.EAST);
wrapper.add(middle);
JPanel bottom = new JPanel();
bottom.setPreferredSize(new Dimension(800, 25));
bottom.setBorder(BorderFactory.createLineBorder(Color.BLACK));
wrapper.add(bottom);
add(wrapper);
JLabel f1 = new JLabel(" Press F1 for help");
f1.setPreferredSize(new Dimension(197, 25));
JLabel view = new JLabel(" View");
view.setPreferredSize(new Dimension(55, 25));
JLabel dimensions = new JLabel(CANVAS_WIDTH + " x " + CANVAS_HEIGHT);
dimensions.setPreferredSize(new Dimension(75, 25));
coordinates = new JLabel("Coordinates: (" + xCord + ", " + yCord + ")");
coordinates.setPreferredSize(new Dimension(150, 25));
bottom.setLayout(new BoxLayout(bottom, BoxLayout.X_AXIS));
JSeparator separator = new JSeparator(JSeparator.VERTICAL);
JSeparator separator2 = new JSeparator(JSeparator.VERTICAL);
JSeparator separator3 = new JSeparator(JSeparator.VERTICAL);
bottom.add(Box.createHorizontalGlue());
bottom.add(f1);
bottom.add(separator);
bottom.add(view);
bottom.add(Box.createRigidArea(new Dimension(100, 25)));
bottom.add(separator2);
bottom.add(dimensions);
bottom.add(separator3);
bottom.add(Box.createRigidArea(new Dimension(100, 25)));
bottom.add(coordinates);
bottom.add(Box.createHorizontalGlue());
right.setLayout(new BorderLayout());
JPanel template = new JPanel();
template.setPreferredSize(new Dimension(580, 580));
template.setLayout(new BoxLayout(template, BoxLayout.Y_AXIS));
template.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
right.add(template, BorderLayout.CENTER);
JPanel titlePanel = new JPanel();
titlePanel.setLayout(new BoxLayout(titlePanel, BoxLayout.X_AXIS));
titlePanel.setPreferredSize(new Dimension(580, 25));
titlePanel.setBackground(new Color(13, 16, 59));
title = new JLabel("Untitled");
title.setForeground(new Color(242, 245, 230));
// ImageIcon deleteIcon = new ImageIcon(new
// ImageIcon(getClass().getResource("/resources/deleteIcon.png")).getImage().getScaledInstance(10, 10, Image.SCALE_SMOOTH));
ImageIcon deletehIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/deletehIcon.png"))
.getImage()
.getScaledInstance(10, 10, Image.SCALE_SMOOTH));
JButton closeButton = new JButton(deletehIcon);
closeButton.setBorder(null);
closeButton.setBackground(new Color(13, 16, 59));
closeButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (changesMade != 0) {
requestClose();
} else {
restartCanvas();
}
}
});
// closeButton.setRolloverIcon(deletehIcon);
titlePanel.add(Box.createHorizontalGlue());
titlePanel.add(Box.createRigidArea(new Dimension(275, 25)));
titlePanel.add(title);
titlePanel.add(Box.createRigidArea(new Dimension(235, 25)));
titlePanel.add(closeButton);
titlePanel.add(Box.createRigidArea(new Dimension(15, 25)));
titlePanel.add(Box.createHorizontalGlue());
canvasCover = new JPanel();
canvasCover.setBackground(new Color(26, 103, 150, 50));
canvasCover.setLayout(new GridBagLayout());
canvasCover.setPreferredSize(new Dimension(580, 580));
canvas.setMaximumSize(new Dimension(560, 540));
canvas.setPreferredSize(new Dimension(560, 540));
canvas.setMinimumSize(new Dimension(560, 540));
canvas.setBackground(Color.WHITE);
canvas.requestFocus();
canvasCover.add(canvas);
template.add(Box.createVerticalGlue());
template.add(titlePanel);
template.add(canvasCover);
template.add(Box.createVerticalGlue());
// Create the Menu
JMenuBar menubar = new JMenuBar();
// Menu Names
JMenu file = new JMenu("File");
file.setMnemonic(KeyEvent.VK_F);
JMenu help = new JMenu("Help");
help.setMnemonic(KeyEvent.VK_H);
JMenu edit = new JMenu("Edit");
edit.setMnemonic(KeyEvent.VK_E);
// Menu Items and Listeners
ImageIcon closeIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/closeIcon.png"))
.getImage()
.getScaledInstance(20, 20, Image.SCALE_SMOOTH));
ImageIcon exitIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/exitIcon.png"))
.getImage()
.getScaledInstance(20, 20, Image.SCALE_SMOOTH));
ImageIcon newIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/newIcon.png"))
.getImage()
.getScaledInstance(20, 20, Image.SCALE_SMOOTH));
ImageIcon saveIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/saveIcon.png"))
.getImage()
.getScaledInstance(20, 20, Image.SCALE_SMOOTH));
ImageIcon openIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/openIcon.png"))
.getImage()
.getScaledInstance(20, 20, Image.SCALE_SMOOTH));
ImageIcon printIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/printIcon.png"))
.getImage()
.getScaledInstance(20, 20, Image.SCALE_SMOOTH));
JMenuItem closeMenuItem = new JMenuItem("Close", closeIcon);
closeMenuItem.setMnemonic(KeyEvent.VK_W);
closeMenuItem.setToolTipText("Close current window");
closeMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_W, ActionEvent.CTRL_MASK));
closeMenuItem.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
if (changesMade != 0) {
requestClose();
} else {
restartCanvas();
}
}
});
JMenuItem exitMenuItem = new JMenuItem("Exit", exitIcon);
exitMenuItem.setToolTipText("Exit Application");
exitMenuItem.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
System.exit(0);
}
});
JMenuItem newMenuItem = new JMenuItem("New", newIcon);
newMenuItem.setMnemonic(KeyEvent.VK_N);
newMenuItem.setToolTipText("Start a new file");
newMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));
newMenuItem.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
restartCanvas();
title.setText("Untitled");
}
});
JMenuItem openMenuItem = new JMenuItem("Open File...", openIcon);
openMenuItem.setMnemonic(KeyEvent.VK_O);
openMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, ActionEvent.CTRL_MASK));
openMenuItem.setToolTipText("New");
openMenuItem.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
open();
}
});
JMenuItem saveAsMenuItem = new JMenuItem("Save As...", saveIcon);
saveAsMenuItem.setMnemonic(KeyEvent.VK_S);
saveAsMenuItem.setToolTipText("Save As");
saveAsMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S, ActionEvent.CTRL_MASK));
saveAsMenuItem.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {
save();
}
});
JMenuItem printMenuItem = new JMenuItem("Print", printIcon);
printMenuItem.setMnemonic(KeyEvent.VK_P);
printMenuItem.setToolTipText("Print Current Window");
printMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P, ActionEvent.CTRL_MASK));
printMenuItem.addActionListener(new PrintJob());
JMenuItem aboutMenuItem = new JMenuItem("About");
aboutMenuItem.setMnemonic(KeyEvent.VK_A);
aboutMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A, ActionEvent.CTRL_MASK));
aboutMenuItem.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent event) {}
});
JMenuItem helpMenuItem = new JMenuItem("Help");
helpMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F1, 0));
// Add Items to Menus
file.add(newMenuItem);
file.add(openMenuItem);
file.addSeparator();
file.add(closeMenuItem);
file.addSeparator();
file.add(saveAsMenuItem);
file.addSeparator();
file.add(printMenuItem);
file.addSeparator();
file.add(exitMenuItem);
help.add(aboutMenuItem);
help.add(helpMenuItem);
// Add Menus
menubar.add(file);
menubar.add(edit);
menubar.add(help);
// Add Menu Bar
setJMenuBar(menubar);
// Side Panel
JPanel shapePanel = new JPanel();
shapePanel.setLayout(new BorderLayout());
JLabel shapesLabel = new JLabel("Shapes", JLabel.CENTER);
shapesLabel.setFont(new Font("Georgia", Font.BOLD, 14));
shapesLabel.setBorder(new EmptyBorder(new Insets(10, 0, 10, 20)));
JPanel shapeArea = new JPanel();
shapeArea.setLayout(new GridLayout(2, 2, 2, 0));
// Create the shape buttons and their icons
squareIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/square.png"))
.getImage()
.getScaledInstance(30, 30, java.awt.Image.SCALE_SMOOTH));
triangleIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/triangle.png"))
.getImage()
.getScaledInstance(30, 30, java.awt.Image.SCALE_SMOOTH));
rectangleIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/rectangle.png"))
.getImage()
.getScaledInstance(45, 30, java.awt.Image.SCALE_SMOOTH));
hexagonIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/hexagon.png"))
.getImage()
.getScaledInstance(30, 30, java.awt.Image.SCALE_SMOOTH));
squarehIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/squareh.png"))
.getImage()
.getScaledInstance(30, 30, java.awt.Image.SCALE_SMOOTH));
trianglehIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/triangleh.png"))
.getImage()
.getScaledInstance(30, 30, java.awt.Image.SCALE_SMOOTH));
rectanglehIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/rectangleh.png"))
.getImage()
.getScaledInstance(45, 30, java.awt.Image.SCALE_SMOOTH));
hexagonhIcon =
new ImageIcon(
new ImageIcon(getClass().getResource("/resources/hexagonh.png"))
.getImage()
.getScaledInstance(30, 30, java.awt.Image.SCALE_SMOOTH));
squareButton = new JButton(squarehIcon);
squareButton.setCursor(new Cursor(Cursor.HAND_CURSOR));
squareButton.setContentAreaFilled(false);
squareButton.setPressedIcon(squarehIcon);
squareButton.setSelectedIcon(squarehIcon);
squareButton.setRolloverIcon(squarehIcon);
squareButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
clearButtons();
shapePressed = SQUARE;
squareButton.setIcon(squarehIcon);
}
});
triangleButton = new JButton(triangleIcon);
triangleButton.setCursor(new Cursor(Cursor.HAND_CURSOR));
triangleButton.setContentAreaFilled(false);
triangleButton.setPressedIcon(trianglehIcon);
triangleButton.setSelectedIcon(trianglehIcon);
triangleButton.setRolloverIcon(trianglehIcon);
triangleButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
clearButtons();
shapePressed = TRIANGLE;
triangleButton.setIcon(trianglehIcon);
}
});
rectangleButton = new JButton(rectangleIcon);
rectangleButton.setCursor(new Cursor(Cursor.HAND_CURSOR));
rectangleButton.setContentAreaFilled(false);
rectangleButton.setPressedIcon(rectanglehIcon);
rectangleButton.setSelectedIcon(rectanglehIcon);
rectangleButton.setRolloverIcon(rectanglehIcon);
rectangleButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
clearButtons();
shapePressed = RECTANGLE;
rectangleButton.setIcon(rectanglehIcon);
}
});
hexagonButton = new JButton(hexagonIcon);
hexagonButton.setCursor(new Cursor(Cursor.HAND_CURSOR));
hexagonButton.setContentAreaFilled(false);
hexagonButton.setPressedIcon(hexagonhIcon);
hexagonButton.setSelectedIcon(hexagonhIcon);
hexagonButton.setRolloverIcon(hexagonhIcon);
hexagonButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
clearButtons();
shapePressed = HEXAGON;
hexagonButton.setIcon(hexagonhIcon);
}
});
shapeArea.add(squareButton);
shapeArea.add(triangleButton);
shapeArea.add(rectangleButton);
shapeArea.add(hexagonButton);
shapePanel.add(shapesLabel, BorderLayout.NORTH);
shapePanel.add(shapeArea);
shapePanel.setBorder(BorderFactory.createBevelBorder(NORMAL, Color.BLACK, Color.BLACK));
left.setLayout(new GridBagLayout());
// left.add(Box.createVerticalGlue());
left.add(shapePanel);
// left.add(Box.createVerticalGlue());
setResizable(false);
// setSize(new Dimension(816, 726));
// setMinimumSize(new Dimension(816, 726));
// setMaximumSize(new Dimension(816, 726));
// setPreferredSize(new Dimension(816, 726));
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setTitle("Fold");
pack();
setLocationRelativeTo(null); // pack all the components in the JFrame
setVisible(true); // show it
requestFocus();
}