/**
* actionPerformed() handles clicks on the button. It takes the data from the input JTextFields,
* and sends them to the GradeCalculater class to calculate a running average and computes the
* letter grade, which are displayed in TextFields.
*
* @param e -- the ActionEvent the generated this system call
*/
public void actionPerformed(ActionEvent e) {
double count, grade = 0, ave;
DecimalFormat df = new DecimalFormat("0.00");
String inputString = inputField.getText();
// HINT: use try/catch blocks to catch bad input to parseDouble()
// Type mismatch
// check for range too
boolean error = true;
try {
grade = Double.parseDouble(inputString);
error = false;
} catch (Exception e1) {
System.out.println("input a number");
}
// HINT: reject a bad grade in some way (the modified addGrade will return false
// there is a problem with the grade
// HINT: output grade count along with average and letter grade
if (error == false) {
inputField.setText("");
calculator.addGrade(grade);
ave = calculator.calcAvg();
count = calculator.getCount();
String average = "" + df.format(ave);
String letterGrade = calculator.calcLetterGrade();
resultField.setText(average + " " + letterGrade + " " + count);
}
} // actionPeformed()
public static String memoryToString() {
DecimalFormat fmt = new DecimalFormat("0.0");
return "Memory: "
+ fmt.format(RUNTIME.maxMemory() / 1048576D)
+ "MByte maximum, "
+ fmt.format(RUNTIME.totalMemory() / 1048576D)
+ "MByte total, "
+ fmt.format(RUNTIME.totalMemory() / 1048576D)
+ "MByte free";
}
// calculate and display amounts
private void calculateJButtonActionPerformed(ActionEvent event) {
resultJTextArea.setText("Rate (%)\tAmount after 10 years");
DecimalFormat dollars = new DecimalFormat("$0.00");
int principal = Integer.parseInt(principalJTextField.getText());
// for loop to calculate interest
for (int rate = 5; rate <= 10; rate++) {
double amount = (double) principal * Math.pow(1 + ((double) rate / 100), 10);
resultJTextArea.append("\n" + rate + "\t" + dollars.format(amount));
} // end for
} // end method calculateJButtonActionPerformed
/* paint() - get current time and draw (centered) in Component. */
public void paint(Graphics g) {
Calendar myCal = Calendar.getInstance();
StringBuffer sb = new StringBuffer();
sb.append(tf.format(myCal.get(Calendar.HOUR)));
sb.append(':');
sb.append(tflz.format(myCal.get(Calendar.MINUTE)));
sb.append(':');
sb.append(tflz.format(myCal.get(Calendar.SECOND)));
String s = sb.toString();
FontMetrics fm = getFontMetrics(getFont());
int x = (getSize().width - fm.stringWidth(s)) / 2;
// System.out.println("Size is " + getSize());
g.drawString(s, x, 10);
}
// calculate and display amounts
private void calculateJButtonActionPerformed(ActionEvent event) {
// declare variables to store user input
double principal = Double.parseDouble(principalJTextField.getText());
double rate = Double.parseDouble(interestRateJTextField.getText());
Integer integerObject = (Integer) yearsJSpinner.getValue();
Integer year = integerObject.intValue();
yearlyBalanceJTextArea.setText("Year\tAmount on Deposit");
DecimalFormat dollars = new DecimalFormat("$0.00");
// calculate the total value for each year
for (int count = 1; count <= year; count++) {
double amount = principal * Math.pow((1 + rate / 100), count);
yearlyBalanceJTextArea.append("\n" + count + "\t" + dollars.format(amount));
} // end for
} // end method calculateJButtonActionPerformed
/**
* Adds an editable text field containing the hours spent on a project.
*
* @param gbl The layout to add the text field to.
* @param gbc The layout constraints to use.
* @param row The row to link against.
* @param hours The number of hours spent on the project.
* @see {@link #addRow(GridBagLayout, GridBagConstraints, String, double)}
*/
private void addMiddleField(GridBagLayout gbl, GridBagConstraints gbc, Row row, double hours) {
row.hoursTF.setText(decimalFormat.format(hours));
gbc.gridx = 1;
gbc.weightx = 1;
gbl.setConstraints(row.hoursTF, gbc);
gbc.weightx = 0;
reviewPanel.add(row.hoursTF);
}
// int frame = 0;
public void paint(Graphics g) {
// System.out.println("frame: " + (frame++));
lStatus.setText(
"t = "
+ df.format(md.dt * md.step)
+ ", "
+ "N = "
+ md.N
+ ", "
+ "E/N = "
+ df.format(md.E / md.N)
+ ", "
+ "U/N = "
+ df.format(md.U / md.N)
+ ", "
+ "K/N = "
+ df.format(md.K / md.N)
+ ", "
+ "p = "
+ df.format(md.p)
+ ";");
tAvK.setText(df.format(md.avK.getAve() / md.N) + " ");
tAvU.setText(df.format(md.avU.getAve() / md.N) + " ");
tTemp.setText(df.format((2 * md.K) / (3 * (md.N - 1))) + " ");
tAvp.setText(df.format(md.avp.getAve()) + " ");
canvas.refresh(md.getXWrap(), md.N, true, false);
cpnl.repaint();
spnl.repaint();
try {
PrintWriter wavefunc =
new PrintWriter(new FileOutputStream(new File("energyData.txt"), true));
wavefunc.print(md.E / md.N + " " + md.K / md.N + " " + md.U / md.N);
wavefunc.println();
wavefunc.close();
} catch (IOException ex) {
}
try {
PrintWriter tempwriter =
new PrintWriter(new FileOutputStream(new File("tempData.txt"), true));
tempwriter.print(df.format((2 * md.K) / (3 * (md.N - 1))));
tempwriter.println();
tempwriter.close();
} catch (IOException ex) {
}
}
public ScientificRenderer(int sigfigs) {
sigfigs = Math.min(sigfigs, 6);
if (format instanceof DecimalFormat) {
String pattern = "0.0"; // $NON-NLS-1$
for (int i = 0; i < sigfigs - 1; i++) {
pattern += "0"; // $NON-NLS-1$
}
pattern += "E0"; // $NON-NLS-1$
((DecimalFormat) format).applyPattern(pattern);
}
}
/**
* This function re-computes the total number of hours for the selected period. It is ran every
* time the user edits a text field specifying the number of hours for a particular top-level
* project. Percentage labels are also updated.
*/
private void recomputeTotal() {
double total = 0;
for (Row row : rows.values()) {
try {
row.hours = Double.parseDouble(row.hoursTF.getText());
total += row.hours;
row.hoursTF.setForeground(normalColour);
} catch (NumberFormatException e) {
row.hoursTF.setForeground(errorColour);
totalLabel.setText("ERROR");
totalLabel.setForeground(errorColour);
return;
}
}
totalLabel.setText(decimalFormat.format(total));
totalLabel.setForeground(normalColour);
for (Row row : rows.values()) {
String percentS = decimalFormat.format(total == 0 ? 0 : 100 * row.hours / total);
row.percentL.setText("(" + percentS + "%)");
}
pack();
}
private String generateOverviewText() throws InsufficientDataException {
StringBuilder sb = new StringBuilder();
final String team = config.getTeam();
double total = checkTotal();
final String nl = System.getProperty("line.separator");
for (Entry<String, Row> entry : rows.entrySet()) {
double hours = Double.parseDouble(entry.getValue().hoursTF.getText());
double fraction = hours / total;
if (fraction < 0.004) continue;
String line = team + ", " + decimalFormat.format(fraction) + ", " + entry.getKey();
sb.append(line + nl);
}
return sb.toString();
}
static {
points = Collections.synchronizedList(new ArrayList<DrawObject>());
lines = Collections.synchronizedList(new ArrayList<DrawObject>());
ovals = Collections.synchronizedList(new ArrayList<DrawObject>());
rectangles = Collections.synchronizedList(new ArrayList<DrawObject>());
images = Collections.synchronizedList(new ArrayList<DrawObject>());
labels = Collections.synchronizedList(new ArrayList<DrawObject>());
scribbles = Collections.synchronizedList(new ArrayList<DrawObject>());
eqnLines = Collections.synchronizedList(new ArrayList<DrawObject>());
animPoints = Collections.synchronizedList(new ArrayList<DrawObject>());
animLines = Collections.synchronizedList(new ArrayList<DrawObject>());
animOvals = Collections.synchronizedList(new ArrayList<DrawObject>());
animRectangles = Collections.synchronizedList(new ArrayList<DrawObject>());
animLabels = Collections.synchronizedList(new ArrayList<DrawObject>());
df.setMaximumFractionDigits(4);
}
void print(String name, double value) {
g.drawString(name + ":" + df.format(value), x, y += 20);
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
RenderingHints rh = g2d.getRenderingHints();
rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
rh.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
g2d.setRenderingHints(rh);
// Background.
D = this.getSize();
g.setColor(backgroundColor);
g.fillRect(0, 0, D.width, D.height);
Graphics2D g2 = (Graphics2D) g;
g2.setStroke(lineStroke);
// Axes, bounding box.
g.setColor(Color.gray);
g.drawLine(inset, D.height - inset, D.width - inset, D.height - inset);
g.drawLine(D.width - inset, inset, D.width - inset, D.height - inset);
g.drawLine(inset, inset, inset, D.height - inset);
g.drawLine(inset, inset, D.width - inset, inset);
double xDelta = (maxX - minX) / numIntervals;
// X-ticks and labels.
for (int i = 1; i <= numIntervals; i++) {
double xTickd = i * xDelta;
int xTick = (int) (xTickd / (maxX - minX) * (D.width - 2 * inset));
g.drawLine(inset + xTick, D.height - inset - 5, inset + xTick, D.height - inset + 5);
double x = minX + i * xDelta;
g.drawString(df.format(x), xTick + inset - 5, D.height - inset + 20);
}
// Y-ticks
double yDelta = (maxY - minY) / numIntervals;
for (int i = 0; i < numIntervals; i++) {
int yTick = (i + 1) * (int) ((D.height - 2 * inset) / (double) numIntervals);
g.drawLine(inset - 5, D.height - yTick - inset, inset + 5, D.height - yTick - inset);
double y = minY + (i + 1) * yDelta;
g.drawString(df.format(y), 1, D.height - yTick - inset);
}
// Zoom+move
Font savedFont = g.getFont();
g.setFont(plusFont);
g.drawString("+", D.width - 25, 20);
g.setFont(minusFont);
g.drawString("-", D.width - 25, 50);
drawArrow(g2d, D.width - 70, 20, D.width - 70, 0, 1.0f, lineStroke); // Up
drawArrow(g2d, D.width - 70, 30, D.width - 70, 50, 1.0f, lineStroke); // Down
drawArrow(g2d, D.width - 65, 25, D.width - 45, 25, 1.0f, lineStroke); // Right
drawArrow(g2d, D.width - 75, 25, D.width - 95, 25, 1.0f, lineStroke); // Left
g.setFont(savedFont);
// See if standard axes are in the middle.
g.setColor(Color.gray);
if ((minX < 0) && (maxX > 0) && (drawMiddleAxes)) {
// Draw y-axis
int x = (int) ((0 - minX) / (maxX - minX) * (D.width - 2 * inset));
g.drawLine(inset + x, D.height - inset, inset + x, inset);
}
if ((minY < 0) && (maxY > 0) && (drawMiddleAxes)) {
// Draw x-axis
int y = (int) ((0 - minY) / (maxY - minY) * (D.height - 2.0 * inset));
g.drawLine(inset, D.height - y - inset, D.width - inset, D.height - y - inset);
}
// Draw the objects.
drawObjects(g, points, lines, ovals, rectangles, images, labels, eqnLines);
if (animationMode) {
drawObjects(g, animPoints, animLines, animOvals, animRectangles, null, labels, eqnLines);
// No images in animation mode.
}
drawScribbles(g);
}
public static void writeTopValue(double v) {
writeTopString("" + df.format(v));
}
static {
form = DecimalFormat.getInstance();
labelFont = new Font("SansSerif", Font.PLAIN, 9);
}
static {
df = new DecimalFormat();
df.applyPattern("#.##");
}
private Double roundTwoDecimals(double d) {
DecimalFormat twoDForm = new DecimalFormat("#.##");
return Double.valueOf(twoDForm.format(d));
}
/**
* creates a new image
*
* @param svgHandle a svg handle
* @param resourceId the id of the resource from which the image will be created
*/
protected void createNewImage(SVGHandle svgHandle, String resourceId) {
if (svgHandle != null && resourceId != null && !resourceId.equals("")) {
Element resourceElement = null;
resourceElement =
svgHandle.getScrollPane().getSVGCanvas().getDocument().getElementById(resourceId);
final String fresourceId = resourceId;
if (resourceElement != null) {
final SVGHandle fhandle = svgHandle;
// creating the canvas and setting its properties
final JSVGCanvas canvas =
new JSVGCanvas() {
@Override
public void dispose() {
removeKeyListener(listener);
removeMouseMotionListener(listener);
removeMouseListener(listener);
disableInteractions = true;
selectableText = false;
userAgent = null;
bridgeContext.dispose();
super.dispose();
}
};
// the element to be added
Element elementToAdd = null;
canvas.setDocumentState(JSVGComponent.ALWAYS_STATIC);
canvas.setDisableInteractions(true);
// creating the new document
final String svgNS = SVGDOMImplementation.SVG_NAMESPACE_URI;
final SVGDocument doc = (SVGDocument) resourceElement.getOwnerDocument().cloneNode(false);
// creating the root element
final Element root =
(Element)
doc.importNode(resourceElement.getOwnerDocument().getDocumentElement(), false);
doc.appendChild(root);
// removing all the attributes of the root element
NamedNodeMap attributes = doc.getDocumentElement().getAttributes();
for (int i = 0; i < attributes.getLength(); i++) {
if (attributes.item(i) != null) {
doc.getDocumentElement().removeAttribute(attributes.item(i).getNodeName());
}
}
// adding the new attributes for the root
root.setAttributeNS(null, "width", imageSize.width + "");
root.setAttributeNS(null, "height", imageSize.height + "");
root.setAttributeNS(null, "viewBox", "0 0 " + imageSize.width + " " + imageSize.height);
// the defs element that will contain the cloned resource node
final Element defs = (Element) doc.importNode(resourceElement.getParentNode(), true);
root.appendChild(defs);
if (resourceElement.getNodeName().equals("linearGradient")
|| resourceElement.getNodeName().equals("radialGradient")
|| resourceElement.getNodeName().equals("pattern")) {
// the rectangle that will be drawn
final Element rect = doc.createElementNS(svgNS, "rect");
rect.setAttributeNS(null, "x", "0");
rect.setAttributeNS(null, "y", "0");
rect.setAttributeNS(null, "width", imageSize.width + "");
rect.setAttributeNS(null, "height", imageSize.height + "");
elementToAdd = rect;
// setting that the rectangle uses the resource
String id = resourceElement.getAttribute("id");
if (id == null) {
id = "";
}
rect.setAttributeNS(null, "style", "fill:url(#" + id + ");");
// getting the cloned resource node
Node cur = null;
Element clonedResourceElement = null;
String id2 = "";
for (cur = defs.getFirstChild(); cur != null; cur = cur.getNextSibling()) {
if (cur instanceof Element) {
id2 = ((Element) cur).getAttribute("id");
if (id2 != null && id.equals(id2)) {
clonedResourceElement = (Element) cur;
}
}
}
if (clonedResourceElement != null) {
// getting the root element of the initial resource
// element
Element initialRoot = resourceElement.getOwnerDocument().getDocumentElement();
// getting the width and height of the initial root
// element
double initialWidth = 0, initialHeight = 0;
try {
initialWidth =
EditorToolkit.getPixelledNumber(initialRoot.getAttributeNS(null, "width"));
initialHeight =
EditorToolkit.getPixelledNumber(initialRoot.getAttributeNS(null, "height"));
} catch (DOMException ex) {
ex.printStackTrace();
}
if (resourceElement.getNodeName().equals("linearGradient")) {
if (resourceElement.getAttributeNS(null, "gradientUnits").equals("userSpaceOnUse")) {
double x1 = 0, y1 = 0, x2 = 0, y2 = 0;
// normalizing the values for the vector to fit
// the rectangle
try {
x1 = Double.parseDouble(resourceElement.getAttributeNS(null, "x1"));
y1 = Double.parseDouble(resourceElement.getAttributeNS(null, "y1"));
x2 = Double.parseDouble(resourceElement.getAttributeNS(null, "x2"));
y2 = Double.parseDouble(resourceElement.getAttributeNS(null, "y2"));
x1 = x1 / initialWidth * imageSize.width;
y1 = y1 / initialHeight * imageSize.height;
x2 = x2 / initialWidth * imageSize.width;
y2 = y2 / initialHeight * imageSize.height;
} catch (NumberFormatException | DOMException ex) {
ex.printStackTrace();
}
clonedResourceElement.setAttributeNS(null, "x1", format.format(x1));
clonedResourceElement.setAttributeNS(null, "y1", format.format(y1));
clonedResourceElement.setAttributeNS(null, "x2", format.format(x2));
clonedResourceElement.setAttributeNS(null, "y2", format.format(y2));
}
} else if (resourceElement.getNodeName().equals("radialGradient")) {
if (resourceElement.getAttributeNS(null, "gradientUnits").equals("userSpaceOnUse")) {
double cx = 0, cy = 0, r = 0, fx = 0, fy = 0;
// normalizing the values for the circle to fit
// the rectangle
try {
cx = Double.parseDouble(resourceElement.getAttributeNS(null, "cx"));
cy = Double.parseDouble(resourceElement.getAttributeNS(null, "cy"));
r = Double.parseDouble(resourceElement.getAttributeNS(null, "r"));
fx = Double.parseDouble(resourceElement.getAttributeNS(null, "fx"));
fy = Double.parseDouble(resourceElement.getAttributeNS(null, "fy"));
cx = cx / initialWidth * imageSize.width;
cy = cy / initialHeight * imageSize.height;
r =
r
/ (Math.abs(
Math.sqrt(Math.pow(initialWidth, 2) + Math.pow(initialHeight, 2))))
* Math.abs(
Math.sqrt(
Math.pow(imageSize.width, 2) + Math.pow(imageSize.width, 2)));
fx = fx / initialWidth * imageSize.width;
fy = fy / initialHeight * imageSize.height;
} catch (NumberFormatException | DOMException ex) {
ex.printStackTrace();
}
clonedResourceElement.setAttributeNS(null, "cx", format.format(cx));
clonedResourceElement.setAttributeNS(null, "cy", format.format(cy));
clonedResourceElement.setAttributeNS(null, "r", format.format(r));
clonedResourceElement.setAttributeNS(null, "fx", format.format(fx));
clonedResourceElement.setAttributeNS(null, "fy", format.format(fy));
}
} else if (resourceElement.getNodeName().equals("pattern")) {
if (resourceElement.getAttributeNS(null, "patternUnits").equals("userSpaceOnUse")) {
double x = 0, y = 0, w = 0, h = 0;
// normalizing the values for the vector to fit
// the rectangle
try {
String xString = resourceElement.getAttributeNS(null, "x");
if (!xString.equals("")) {
x = Double.parseDouble(xString);
}
String yString = resourceElement.getAttributeNS(null, "y");
if (!yString.equals("")) {
y = Double.parseDouble(yString);
}
String wString = resourceElement.getAttributeNS(null, "w");
if (!wString.equals("")) {
w = Double.parseDouble(wString);
}
String hString = resourceElement.getAttributeNS(null, "h");
if (!hString.equals("")) {
h = Double.parseDouble(hString);
}
x = x / initialWidth * imageSize.width;
y = y / initialHeight * imageSize.height;
w = w / initialWidth * imageSize.width;
h = h / initialHeight * imageSize.height;
} catch (NumberFormatException | DOMException ex) {
ex.printStackTrace();
}
clonedResourceElement.setAttributeNS(null, "x", format.format(x));
clonedResourceElement.setAttributeNS(null, "y", format.format(y));
clonedResourceElement.setAttributeNS(null, "width", format.format(w));
clonedResourceElement.setAttributeNS(null, "height", format.format(h));
}
}
}
} else if (resourceElement.getNodeName().equals("marker")) {
// the line that will be drawn
final Element line = doc.createElementNS(svgNS, "line");
line.setAttributeNS(null, "x1", (((double) imageSize.width) / 2) + "");
line.setAttributeNS(null, "y1", (((double) imageSize.height) / 2) + "");
line.setAttributeNS(null, "x2", ((double) imageSize.width / 2) + "");
line.setAttributeNS(null, "y2", imageSize.height + "");
elementToAdd = line;
// setting that the line uses the resource
String id = resourceElement.getAttribute("id");
if (id == null) id = "";
line.setAttributeNS(
null, "style", "stroke:none;fill:none;marker-start:url(#" + id + ");");
}
root.appendChild(elementToAdd);
// adding a rendering listener to the canvas
GVTTreeRendererAdapter gVTTreeRendererAdapter =
new GVTTreeRendererAdapter() {
@Override
public void gvtRenderingCompleted(GVTTreeRendererEvent evt) {
Image bufferedImage = canvas.getOffScreen();
if (bufferedImage != null) {
Graphics g = bufferedImage.getGraphics();
Color borderColor = MetalLookAndFeel.getSeparatorForeground();
g.setColor(borderColor);
g.drawRect(0, 0, imageSize.width - 1, imageSize.height - 1);
}
setImage(fhandle, fresourceId, bufferedImage);
// refreshing the panels that have been created when no
// image was available for them
Image image = null;
for (ResourceRepresentation resourceRepresentation :
new LinkedList<ResourceRepresentation>(resourceRepresentationList)) {
if (resourceRepresentation != null) {
resourceRepresentation.refreshRepresentation();
image = resourceRepresentation.getImage();
if (image != null) {
resourceRepresentationList.remove(resourceRepresentation);
}
}
}
canvas.removeGVTTreeRendererListener(this);
canvas.stopProcessing();
canvas.dispose();
}
};
canvas.addGVTTreeRendererListener(gVTTreeRendererAdapter);
// setting the document for the canvas
canvas.setSVGDocument(doc);
canvas.setBackground(Color.white);
canvas.setBounds(1, 1, imageSize.width, imageSize.height);
}
}
}
void print(String name, Vec value) {
g.drawString(name + ":" + df.format(value.x) + " , " + df.format(value.y), x, y += 20);
}
/** convenience method for setting a double field */
public static void setFieldValue(JTextField field, double value) {
DecimalFormat formatter = new DecimalFormat("0.0##E0");
field.setText(formatter.format(value));
}
public static String format(double value) {
return df.format(value);
}
