public void nodeDown(int x, int y) {
log.info("nodeDn x=" + x + ", y=" + y);
if (dtoLinks == null) {
log.info("dtoLinks==null");
dtoLinks = new DTOLinks();
SCL.getCurrSecCanvas().getDtoCanvas().setDtoLinks(dtoLinks);
}
dtoLink = null;
moving = false;
Iterator<DTOLink> it = dtoLinks.getDTOLinks().iterator();
while (it.hasNext()) {
DTOLink p = it.next();
if ((Math.abs(x - getCoord(p.getX())) ^ 2) + (Math.abs(y - getCoord(p.getY())) ^ 2)
< (nodeRadius ^ 2)) {
dtoLink = p;
return;
}
}
clear();
DTOLink p = new DTOLink();
p.setCanvasMapId(SCL.getCurrSecCanvas().getDtoCanvas().getId());
p.setX(getRevCoord(x));
p.setY(getRevCoord(y));
dtoLinks.getDTOLinks().add(p);
SCL.getCanvasDialog().updateCurrLinkNodes();
draw(false);
}
public void draw(boolean highlight) {
if (dtoLinks != null && dtoLinks.getDTOLinks().size() > 0) {
CanvasScreen canvasScreen = SCL.getCurrPrimeCanvas().getCanvasScreen();
Iterator<DTOLink> it;
if (SCL.getCanvasDialog().isEdit()) {
it = dtoLinks.getDTOLinks().iterator();
while (it.hasNext()) {
DTOLink p = it.next();
canvasScreen.context1.setFillStyle(SCL.getCurrPrimeCanvas().getEditLineColor());
canvasScreen.context1.beginPath();
canvasScreen.context1.arc(
getCoord(p.getX()), getCoord(p.getY()), nodeRadius, 0, Math.PI * 2.0, true);
canvasScreen.context1.closePath();
canvasScreen.context1.fill();
}
}
// log.severe("Resetting Polygon!");
polygon = new Polygon();
if (SCL.getCanvasDialog().isEdit()) {
canvasScreen.context1.setLineWidth(2);
canvasScreen.context1.setStrokeStyle(SCL.getCurrPrimeCanvas().getEditLineColor());
} else {
canvasScreen.context1.setLineWidth(1);
canvasScreen.context1.setStrokeStyle(SCL.getCurrPrimeCanvas().getUserLineColor());
}
canvasScreen.context1.beginPath();
it = dtoLinks.getDTOLinks().iterator();
DTOLink p = it.next();
canvasScreen.context1.moveTo(getCoord(p.getX()), getCoord(p.getY()));
polygon.addPoint(getCoord(p.getX()), getCoord(p.getY()));
while (it.hasNext()) {
p = it.next();
canvasScreen.context1.lineTo(getCoord(p.getX()), getCoord(p.getY()));
polygon.addPoint(getCoord(p.getX()), getCoord(p.getY()));
}
canvasScreen.context1.closePath();
if (highlight) {
canvasScreen.context1.setGlobalAlpha(0.3);
canvasScreen.context1.setFillStyle(SCL.getCurrPrimeCanvas().getUserShadeColor());
canvasScreen.context1.fill();
}
canvasScreen.context1.setGlobalAlpha(1);
canvasScreen.context1.stroke();
}
}
public void nodeUp(int x, int y) {
log.info("nodeUp!");
if (dtoLink == null) {
log.severe("nodeDn == null");
}
if (moving) {
// log.severe("moving!");
}
if (dtoLink != null && !moving) {
// log.info("x,y = " + x + ", " + y);
// log.info("x = " + x);
// log.info("dtoLink.x = " + getCoord(dtoLink.getX()));
// log.info("y = " + getRevCoord(y));
// log.info("dtoLink.y = " + getCoord(dtoLink.getY()));
// log.info("nodeUp 2! value = " + (Math.pow(x-getCoord(dtoLink.getX()),2) +
// Math.pow(y-getCoord(dtoLink.getY()),2)) + ", nodeRadius = " + nodeRadius + " nodeRadius^2 =
// " + (Math.pow(nodeRadius,2)));
if (Math.pow(x - getCoord(dtoLink.getX()), 2) + Math.pow(y - getCoord(dtoLink.getY()), 2)
<= Math.pow(nodeRadius, 2)) {
// log.info("nodeUp 2-a!");
clear();
dtoLinks.getDTOLinks().remove(dtoLink);
draw(false);
}
}
SCL.getCanvasDialog().updateCurrLinkNodes();
}
public void clear() {
if (dtoLinks != null && dtoLinks.getDTOLinks().size() > 0) {
CanvasScreen canvasScreen = SCL.getCurrPrimeCanvas().getCanvasScreen();
String prevGlobalCompositeOperation = canvasScreen.context1.getGlobalCompositeOperation();
canvasScreen.context1.setGlobalCompositeOperation("destination-out");
Iterator<DTOLink> it = dtoLinks.getDTOLinks().iterator();
while (it.hasNext()) {
DTOLink p = it.next();
canvasScreen.context1.setFillStyle("rgba(255,255,255,1.0)");
canvasScreen.context1.beginPath();
canvasScreen.context1.arc(
getCoord(p.getX()), getCoord(p.getY()), nodeRadius + 1, 0, Math.PI * 2.0, true);
canvasScreen.context1.closePath();
canvasScreen.context1.fill();
}
canvasScreen.context1.setLineWidth(5);
canvasScreen.context1.setStrokeStyle("rgba(255,255,255,1.0)");
canvasScreen.context1.beginPath();
it = dtoLinks.getDTOLinks().iterator();
DTOLink p = it.next();
canvasScreen.context1.moveTo(getCoord(p.getX()), getCoord(p.getY()));
while (it.hasNext()) {
p = it.next();
canvasScreen.context1.lineTo(getCoord(p.getX()), getCoord(p.getY()));
}
canvasScreen.context1.closePath();
canvasScreen.context1.setFillStyle("rgba(255,255,255,1.0)");
canvasScreen.context1.setGlobalAlpha(1);
canvasScreen.context1.fill();
canvasScreen.context1.stroke();
canvasScreen.context1.setGlobalCompositeOperation(prevGlobalCompositeOperation);
}
}