// will only auto-redraw under certain conditions
private void moveEndPts() {
startBorderPts = startState.getBorderPts();
endBorderPts = endState.getBorderPts();
sPage = startState.getPage();
ePage = endState.getPage();
if (sPage != ePage && !stub) {
int sOffset = drawArea.getOffset(sPage, startState, this, "start");
int eOffset = drawArea.getOffset(ePage, endState, this, "end");
int sBorderOffset = sOffset / 20;
if (sBorderOffset < 0) sBorderOffset += 36;
if (sBorderOffset > 35) sBorderOffset -= 36;
int eBorderOffset = -eOffset / 20;
if (eBorderOffset < -18) eBorderOffset += 36;
if (eBorderOffset > 17) eBorderOffset -= 36;
startPt = startBorderPts.get(0 + sBorderOffset);
startCtrlPt = new Point((int) startPt.getX() + 20, (int) startPt.getY());
endPt = endBorderPts.get(18 + eBorderOffset);
endCtrlPt = new Point((int) endPt.getX() - 20, (int) endPt.getY());
pageS = new Point(drawArea.getMaxW() - 50, (int) startPt.getY() + sOffset);
pageSC = new Point(drawArea.getMaxW() - 70, (int) startPt.getY() + sOffset);
pageE = new Point(50, (int) endPt.getY() + eOffset);
pageEC = new Point(70, (int) endPt.getY() + eOffset);
} else if (stub) {
// TODO
// System.out.println("in stub loop, moveendpts");
startPt = startBorderPts.get(startStateIndex);
pageS.setLocation(
new Point(
(int) (startPt.getX() + len * Math.cos(angle)),
(int) (startPt.getY() - len * Math.sin(angle))));
} else {
// or if multiple states selected, dont need to recalculate
if ((!recalcCheck() && !drawArea.getRedraw())
|| (startState.getSelectStatus() != SelectOptions.NONE
&& endState.getSelectStatus() != SelectOptions.NONE)) {
startStateIndex = tempStartIndex;
endStateIndex = tempEndIndex;
startPt = startBorderPts.get(startStateIndex);
endPt = endBorderPts.get(endStateIndex);
// if movement hasnt left the start quadrant, don't recalulate all
// points
startCtrlPt = new Point((int) startPt.getX() + sdx, (int) startPt.getY() + sdy);
endCtrlPt = new Point((int) endPt.getX() + edx, (int) endPt.getY() + edy);
} else setEndPts();
}
}
public void setEndPts() {
startBorderPts = startState.getBorderPts();
endBorderPts = endState.getBorderPts();
sPage = startState.getPage();
ePage = endState.getPage();
// TODO page connector stacking
if (sPage != ePage && !stub) {
int sOffset = drawArea.getOffset(sPage, startState, this, "start");
int eOffset = drawArea.getOffset(ePage, endState, this, "end");
int sBorderOffset = sOffset / 20;
if (sBorderOffset < 0) sBorderOffset += 36;
if (sBorderOffset > 35) sBorderOffset -= 36;
int eBorderOffset = -eOffset / 20;
if (eBorderOffset < -18) eBorderOffset += 36;
if (eBorderOffset > 17) eBorderOffset -= 36;
startPt = startBorderPts.get(0 + sBorderOffset);
startCtrlPt = new Point((int) startPt.getX() + 20, (int) startPt.getY());
endPt = endBorderPts.get(18 + eBorderOffset);
endCtrlPt = new Point((int) endPt.getX() - 20, (int) endPt.getY());
pageS = new Point(drawArea.getMaxW() - 50, (int) startPt.getY() + sOffset);
pageSC = new Point(drawArea.getMaxW() - 70, (int) startPt.getY() + sOffset);
pageE = new Point(50, (int) endPt.getY() + eOffset);
pageEC = new Point(70, (int) endPt.getY() + eOffset);
curve = new CubicCurve2D.Double();
} else if (stub) {
// TODO
// System.out.println("in stub loop, setendpts");
startPt = startBorderPts.get(0);
startStateIndex = 0;
pageS = new Point((int) startPt.getX() + 60, (int) startPt.getY());
len = 60;
angle = 0;
} else {
Point startCoords = startState.getRealCenter(myPage);
Point endCoords = endState.getRealCenter(myPage);
double temp;
double max = 1000000;
for (int i = 0; i < 36; i++) {
temp = startCoords.distanceSq(endBorderPts.get(i));
if (temp < max) {
endStateIndex = i;
max = temp;
}
}
max = 1000000;
for (int i = 0; i < 36; i++) {
temp = endCoords.distanceSq(startBorderPts.get(i));
if (temp < max) {
startStateIndex = i;
max = temp;
}
}
// try to prevent overlapping
if (startCoords.getX() < endCoords.getX()) {
if (startCoords.getY() < endCoords.getY()) {
} else {
}
} else {
if (startCoords.getY() < endCoords.getY()) {
} else {
}
}
startStateIndex -= 1;
if (startStateIndex == -1) startStateIndex = 35;
endStateIndex += 1;
if (endStateIndex == 36) endStateIndex = 0;
startPt = startBorderPts.get(startStateIndex);
endPt = endBorderPts.get(endStateIndex);
// SELECTION OF CONTROL POINTS
// distances between states
int dx =
(int) startState.getRealCenter(myPage).getX()
- (int) endState.getRealCenter(myPage).getX();
int dy =
(int) startState.getRealCenter(myPage).getY()
- (int) endState.getRealCenter(myPage).getY();
// scaling for distance of control point from start or end point
int dxs = (int) (endPt.getX() - startPt.getX()) / 3;
int dys = (int) (endPt.getY() - startPt.getY()) / 3;
if (dxs < 0) dxs = -dxs;
if (dys < 0) dys = -dys;
// find angle between states
double theta = 0;
if (dx == 0) {
if (dy <= 0) theta = Math.PI / 2;
else theta = 3 * Math.PI / 2;
} else if (dx > 0 && dy > 0) theta = 2 * Math.PI - Math.atan((double) dy / dx);
else if (dx > 0 && dy <= 0) {
if (dy == 0) theta = 0;
else theta = -Math.atan((double) dy / (dx));
} else if (dx < 0) theta = Math.PI - Math.atan((double) dy / dx);
// determine angle away from start point for start control point
double adj = Math.PI / 6;
double angleStart = 0;
if (dx >= 0 && dy >= 0) angleStart = -Math.PI + theta + adj; // +
else if (dx >= 0 && dy < 0) angleStart = Math.PI + theta + adj; // +
else if (dx < 0 && dy >= 0) angleStart = -Math.PI + theta + adj;
else if (dx < 0 && dy < 0) angleStart = Math.PI + theta + adj;
// determine angle away from end point for end control point
double angleEnd = 0;
if (dx >= 0) angleEnd = theta - adj;
else if (dx < 0) angleEnd = theta - adj;
// create control point
startCtrlPt =
new Point(
(int) (startPt.getX() + (Math.cos(angleStart) * dxs)),
(int) (startPt.getY() - (Math.sin(angleStart) * dys)));
endCtrlPt =
new Point(
(int) (endPt.getX() + (Math.cos(angleEnd) * dxs)),
(int) (endPt.getY() - (Math.sin(angleEnd) * dys)));
curve =
new CubicCurve2D.Double(
startPt.getX(),
startPt.getY(),
startCtrlPt.getX(),
startCtrlPt.getY(),
endCtrlPt.getX(),
endCtrlPt.getY(),
endPt.getX(),
endPt.getY());
}
}
