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/**
* Title: EACLabel
* Description: Text labels for Event Analysis Configurator graphical
* primitives
*/
package EAC;
import java.awt.*;
public class EACLabel extends Primitive {
// Font for labels
protected Font label_font = new EACFont().getFont();
// Font Metrics for sizing and bounds checking labels
protected FontMetrics fm = canvas.getFontMetrics(label_font);
// Label text
protected char[] text;
// associated Primitive
protected Primitive labelee;
public EACLabel(EACPanel p, int n) {
super(p);
text = new char[n];
} /* constructor */
public void setLabelee(Primitive p) {
labelee = p;
} /* setLabelee */
public Primitive getLabelee() {
return labelee;
} /* getLabelee */
public void setText(String s) {
text = s.toCharArray();
} /* setText */
public String getText() {
return java.lang.String.valueOf(text);
} /* getText */
public void setTop(Point p) {
anchor = new Point(p.x - (3 * text.length),
p.y + 9);
} /* setTop */
public Point getTop() {
return new Point(anchor.x + (3 * text.length),
anchor.y - 9);
} /* getTop */
public void draw() throws BoundsException {
if (inBounds()) {
Graphics g = canvas.getGraphics();
g.setFont(label_font);
g.drawChars(text,0,text.length,anchor.x,anchor.y);
} else
throw new BoundsException("Attempted to place Label partially out of bounds");
} /* draw */
public void specialDraw() {
Graphics g = canvas.getGraphics();
g.setXORMode(canvas.getBackground());
g.drawRect(upperLeft().x, upperLeft().y,
upperRight().x - upperLeft().x, // WIDTH
lowerRight().y - upperRight().y); // HEIGHT
} /* specialDraw */
public void specialUndraw() {
Graphics g = canvas.getGraphics();
g.setColor(canvas.getBackground());
g.setXORMode(canvas.getForeground());
g.drawRect(upperLeft().x, upperLeft().y,
upperRight().x - upperLeft().x, // WIDTH
lowerRight().y - upperRight().y); // HEIGHT
} /* specialUndraw */
public boolean contains(Point p) {
return ((p.x >= upperLeft().x) &&
(p.x <= upperRight().x) &&
(p.y <= lowerLeft().y) &&
(p.y >= upperLeft().y));
} /* contains */
public boolean inBounds() {
// don't know why we need this, but fm.stringWidth seems to return a
// value that's bigger than the actual width of the text
//final int xTweak = 20;
//if (canvas.contains(anchor.x + fm.stringWidth(text.toString()) - xTweak,
// anchor.y - fm.getHeight()))
if ((canvas.contains(upperLeft())) &&
(canvas.contains(upperRight())) &&
(canvas.contains(lowerLeft())) &&
(canvas.contains(lowerRight())))
return true;
else
return false;
} /* inBounds */
public Point upperLeft() {
return new Point(anchor.x,anchor.y - 9);
} /* upperLeft */
public Point upperRight() {
return new Point(anchor.x + (6 * text.length),anchor.y - 9);
} /* upperRight */
public Point lowerLeft() {
return anchor;
} /* lowerLeft */
public Point lowerRight() {
return new Point(anchor.x + (6 * text.length),anchor.y);
} /* lowerRight */
public void write(File f) throws java.io.IOException {
int i;
// if there's an associated primitive, that primitive
// is responsible for writing out the label info too,
// so only write out the info if there is no labelee
if (labelee == null) {
f.writeInt(f.LABEL);
f.writeInt(text.length);
f.writeInt(anchor.x);
f.writeInt(anchor.y);
for (i = 0; i < text.length; i++)
f.writeChar(text[i]);
}
} /* write */
public void read(File f) throws java.io.IOException {
int i;
anchor = new Point();
anchor.x = f.readInt();
anchor.y = f.readInt();
for (i = 0; i < text.length; i++)
text[i] = f.readChar();
} /* read */
public int addInput(Connector c) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to add input to label");
} /* addInput */
public int addOutput(Connector c) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to add output to label");
} /* addOutput */
public Connector getInput(int i) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to retrieve input from label");
} /* getInput */
public Connector getOutput(int i) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to retrieve output from label");
} /* getOutput */
public int getInputCount() throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to retrieve input count from label");
} /* getInputCount */
public int getOutputCount() throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to retrieve output count from label");
} /* getOutputCount */
public void removeInput(int i) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to remove input from label");
} /* removeInput */
public void removeOutput(int i) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to remove output from label");
} /* removeOutput */
public void event(Source s) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to push event to label");
} /* event */
public void wakeup(long t) throws ConnectionException {
throw new ConnectionException("ERROR: Attempted to wake up label");
} /* wakeup */
}
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