public static void main(String[] args) {
DrawingPanel drawing = new DrawingPanel(200, 200);
Graphics canvas = drawing.getGraphics();
canvas.setColor(Colors.black);
canvas.fillRect(0, 0, drawing.getWidth(), drawing.getHeight());
canvas.setColor(Colors.white);
for (int i = 5; i > 0; i--) {
canvas.fillRect(i * 20, (5 - i) * 20, 20, 20);
}
}
public static DrawingPanel background(String meaning) {
DrawingPanel panel = new DrawingPanel(780, 560);
Graphics g = panel.getGraphics();
panel.setBackground(Color.white);
g.setColor(Color.LIGHT_GRAY);
g.fillRect(0, 0, 781, bannerHeight);
g.fillRect(0, 530, 781, bannerHeight);
g.setColor(Color.black);
g.drawString(meaning, 0, 16);
for (int i = startYear; i <= 2010; i += 10) {
g.drawString("" + i, (decadeWidth / 10) * (i - startYear), 552);
}
return panel;
}
/**
* Draws the image and the grid.
*
* @param panel
* @param g
*/
public void draw(DrawingPanel panel, Graphics g) {
if (scaleFactor < 1) {
g.drawImage(
image.getScaledInstance(
(int) (scaleFactor * image.getWidth()),
(int) (scaleFactor * image.getHeight()),
java.awt.Image.SCALE_REPLICATE),
panel.getLeftGutter(),
panel.getTopGutter(),
panel);
} else {
// g.drawImage(image, 1+panel.xToPix(xmin), 1+panel.yToPix(ymax), panel);
g.drawImage(image, panel.getLeftGutter(), panel.getTopGutter(), panel);
}
}
public ControlPanel(DrawingPanel canvas) {
// instance variable draw has been assigned to canvas
this.draw = canvas;
// adds new Button
this.color = new JButton("Add Color");
// assigns a listener with the button
this.color.addActionListener(new ColorButton());
// adds button to the JPanel
this.add(this.color);
// asigns currentColor to a new JPanel
this.currentColor = new JPanel();
// adds currentColor to JPanel
this.add(this.currentColor);
// sets background to default color
currentColor.setBackground(draw.getColor());
// adds a new Button
this.circle = new JButton("Add Circle");
// asigns a listener to the button
this.circle.addActionListener(new CircleButton());
// adds button to the panel
this.add(this.circle);
// adds new button
this.square = new JButton("Add Square");
// asigns this button to a listener
this.square.addActionListener(new SquareButton());
// adds button to the panel
this.add(this.square);
}
{ // Set the layout to the frame in order to show the panels, BorderLayout used.
setLayout(new BorderLayout());
// program will stop running when "X" is pressed.
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
// set the title for the program.
this.setTitle("Financial Modeller - B00540772");
// add the two frames to the frame show that they will show in the correct areas.
this.add(drawing, BorderLayout.NORTH);
this.add(control, BorderLayout.SOUTH);
// add the instructions panel into the frame.
this.add(instructions, BorderLayout.CENTER);
// set the size of the two panels.
drawing.setPreferredSize(new Dimension(900, 350));
control.setPreferredSize(new Dimension(900, 250));
instructions.setPreferredSize(new Dimension(900, 80));
// set the background of the DrawingPanel to highlight the two different panels.
drawing.setBackground(Color.WHITE);
// call the line wrap method to improve the layout of the text area.
instructions.setLineWrap(true);
// insert the instructions for the user.
instructions.append(
"Please use the control panel to enter your financial"
+ " information. When the information has been entered press 'Start'"
+ " to run the simulation. The textual output will show each"
+ " input and output as it happens, and will give you a balance update."
+ " The graphical output will give you a representation of the changing"
+ " weekly balance, each second represents"
+ " one week. Please be aware that if the balance goes above £16000"
+ " or the duration goes above 52 weeks the graphical output will stop,"
+ " if this happens you can continue to use the textual output."
+ " If you do not wish to use all of the threads please leave amount AND"
+ " frequency as '0' and that thread will not start.");
// set visible and pack to ensure it will run correctly.
pack();
setVisible(true);
}
// Creates a window and draws a traffic light inside it
private void DrawTrafficLight() {
// Instantiates a Drawing panel
DrawingPanel panel = new DrawingPanel(130, 290);
panel.setTitle("Traffic Light");
// Get graphics from panel
Graphics draw = panel.getGraphics();
// Draw light housing
drawRect(draw, 20, 20, 90, 250, Color.lightGray);
// Draw red light
drawCircle(draw, 30, 30, 70, Color.red);
// Draw yellow light
drawCircle(draw, 30, 110, 70, Color.yellow);
// Draw green light
drawCircle(draw, 30, 190, 70, new Color(0, 127, 0));
}
// Draws nested shapes from the lab
private void drawNestedShapes() {
// Instantiates a Drawing panel
DrawingPanel panel = new DrawingPanel(250, 250);
panel.setTitle("Nested Shapes");
// Get graphics from panel
Graphics draw = panel.getGraphics();
// Draw green square
drawRect(draw, 25, 25, 200, 200, Color.green);
// Draw cyan circle
drawCircle(draw, 25, 25, 200, Color.magenta);
// Draw cyan diamond
draw.setColor(Color.cyan);
draw.fillPolygon(new int[] {125, 224, 124, 25}, new int[] {25, 124, 224, 125}, 4);
// Draw outline around diamond
draw.setColor(Color.black);
draw.drawPolygon(new int[] {125, 224, 124, 25}, new int[] {25, 124, 224, 125}, 4);
}
/**
* Gets the dimension of the lattice in pixel units.
*
* @param panel
* @return the dimension
*/
public Dimension getInterior(DrawingPanel panel) {
float availableWidth = panel.getWidth() - panel.getLeftGutter() - panel.getRightGutter() - 1;
float availableHeight = panel.getHeight() - panel.getTopGutter() - panel.getBottomGutter() - 1;
scaleFactor = Math.min(availableWidth / dimension.width, availableHeight / dimension.height);
if (scaleFactor > 1) {
scaleFactor = 1;
return dimension;
}
return new Dimension((int) (scaleFactor * ncol), (int) (scaleFactor * nrow));
}
public static void bars(DrawingPanel panel, String nameInfo) {
Graphics g = panel.getGraphics();
Scanner s = new Scanner(nameInfo);
s.next(); // skips name
String gender = s.next();
for (int i = startYear; i <= 2010; i += 10) {
g.setColor(Color.BLACK);
int rank = s.nextInt();
int x = ((decadeWidth / 10) * (i - startYear));
int y = 30 + (rank / 2);
if (rank == 0) y = 560 - bannerHeight;
g.drawString("" + rank, x, y);
if (gender.equals("f")) g.setColor(Color.pink);
else g.setColor(Color.blue);
g.fillRect(x, y, decadeWidth / 2, 560 - bannerHeight - y);
}
s.close();
}
public void centerAxes(DrawingPanel panel) {
xaxis.setLocation((panel.getYMax() + panel.getYMin()) / 2);
yaxis.setLocation((panel.getXMax() + panel.getXMin()) / 2);
}
/**
* Draws the axes in the drawing panel.
*
* @param panel
* @param g
*/
public void draw(DrawingPanel panel, Graphics g) {
if (!visible) {
return;
}
if (interiorColor != null) {
g.setColor(interiorColor);
int gw = panel.getLeftGutter() + panel.getRightGutter();
int gh = panel.getTopGutter() + panel.getBottomGutter();
g.fillRect(
panel.getLeftGutter(),
panel.getTopGutter(),
panel.getWidth() - gw,
panel.getHeight() - gh);
g.setColor(Color.lightGray);
g.drawRect(
panel.getLeftGutter(),
panel.getTopGutter(),
panel.getWidth() - gw,
panel.getHeight() - gh);
}
xaxis.draw(panel, g);
yaxis.draw(panel, g);
titleLine.setX((panel.getXMax() + panel.getXMin()) / 2);
if (panel.getTopGutter() > 20) {
titleLine.setY(panel.getYMax() + 5 / panel.getYPixPerUnit());
} else {
titleLine.setY(panel.getYMax() - 25 / panel.getYPixPerUnit());
}
titleLine.draw(panel, g);
}