in airavata-kubernetes/web-console/src/assets/js/view/mxEdgeStyle.js [582:873]
SegmentConnector: function(state, source, target, hints, result)
{
// Creates array of all way- and terminalpoints
var pts = state.absolutePoints;
var tol = Math.max(1, state.view.scale);
// Whether the first segment outgoing from the source end is horizontal
var lastPushed = (result.length > 0) ? result[0] : null;
var horizontal = true;
var hint = null;
// Adds waypoints only if outside of tolerance
function pushPoint(pt)
{
if (lastPushed == null || Math.abs(lastPushed.x - pt.x) >= tol || Math.abs(lastPushed.y - pt.y) >= tol)
{
result.push(pt);
lastPushed = pt;
}
return lastPushed;
};
// Adds the first point
var pt = pts[0];
if (pt == null && source != null)
{
pt = new mxPoint(state.view.getRoutingCenterX(source), state.view.getRoutingCenterY(source));
}
else if (pt != null)
{
pt = pt.clone();
}
pt.x = Math.round(pt.x);
pt.y = Math.round(pt.y);
var lastInx = pts.length - 1;
// Adds the waypoints
if (hints != null && hints.length > 0)
{
// Converts all hints and removes nulls
var newHints = [];
for (var i = 0; i < hints.length; i++)
{
var tmp = state.view.transformControlPoint(state, hints[i]);
if (tmp != null)
{
tmp.x = Math.round(tmp.x);
tmp.y = Math.round(tmp.y);
newHints.push(tmp);
}
}
if (newHints.length == 0)
{
return;
}
hints = newHints;
// Aligns source and target hint to fixed points
if (pt != null && hints[0] != null)
{
if (Math.abs(hints[0].x - pt.x) < tol)
{
hints[0].x = pt.x;
}
if (Math.abs(hints[0].y - pt.y) < tol)
{
hints[0].y = pt.y;
}
}
var pe = pts[lastInx];
if (pe != null && hints[hints.length - 1] != null)
{
if (Math.abs(hints[hints.length - 1].x - pe.x) < tol)
{
hints[hints.length - 1].x = pe.x;
}
if (Math.abs(hints[hints.length - 1].y - pe.y) < tol)
{
hints[hints.length - 1].y = pe.y;
}
}
hint = hints[0];
var currentTerm = source;
var currentPt = pts[0];
var hozChan = false;
var vertChan = false;
var currentHint = hint;
if (currentPt != null)
{
currentPt.x = Math.round(currentPt.x);
currentPt.y = Math.round(currentPt.y);
currentTerm = null;
}
// Check for alignment with fixed points and with channels
// at source and target segments only
for (var i = 0; i < 2; i++)
{
var fixedVertAlign = currentPt != null && currentPt.x == currentHint.x;
var fixedHozAlign = currentPt != null && currentPt.y == currentHint.y;
var inHozChan = currentTerm != null && (currentHint.y >= currentTerm.y &&
currentHint.y <= currentTerm.y + currentTerm.height);
var inVertChan = currentTerm != null && (currentHint.x >= currentTerm.x &&
currentHint.x <= currentTerm.x + currentTerm.width);
hozChan = fixedHozAlign || (currentPt == null && inHozChan);
vertChan = fixedVertAlign || (currentPt == null && inVertChan);
// If the current hint falls in both the hor and vert channels in the case
// of a floating port, or if the hint is exactly co-incident with a
// fixed point, ignore the source and try to work out the orientation
// from the target end
if (i==0 && ((hozChan && vertChan) || (fixedVertAlign && fixedHozAlign)))
{
}
else
{
if (currentPt != null && (!fixedHozAlign && !fixedVertAlign) && (inHozChan || inVertChan))
{
horizontal = inHozChan ? false : true;
break;
}
if (vertChan || hozChan)
{
horizontal = hozChan;
if (i == 1)
{
// Work back from target end
horizontal = hints.length % 2 == 0 ? hozChan : vertChan;
}
break;
}
}
currentTerm = target;
currentPt = pts[lastInx];
if (currentPt != null)
{
currentPt.x = Math.round(currentPt.x);
currentPt.y = Math.round(currentPt.y);
currentTerm = null;
}
currentHint = hints[hints.length - 1];
if (fixedVertAlign && fixedHozAlign)
{
hints = hints.slice(1);
}
}
if (horizontal && ((pts[0] != null && pts[0].y != hint.y) ||
(pts[0] == null && source != null &&
(hint.y < source.y || hint.y > source.y + source.height))))
{
pushPoint(new mxPoint(pt.x, hint.y));
}
else if (!horizontal && ((pts[0] != null && pts[0].x != hint.x) ||
(pts[0] == null && source != null &&
(hint.x < source.x || hint.x > source.x + source.width))))
{
pushPoint(new mxPoint(hint.x, pt.y));
}
if (horizontal)
{
pt.y = hint.y;
}
else
{
pt.x = hint.x;
}
for (var i = 0; i < hints.length; i++)
{
horizontal = !horizontal;
hint = hints[i];
// mxLog.show();
// mxLog.debug('hint', i, hint.x, hint.y);
if (horizontal)
{
pt.y = hint.y;
}
else
{
pt.x = hint.x;
}
pushPoint(pt.clone());
}
}
else
{
hint = pt;
// FIXME: First click in connect preview toggles orientation
horizontal = true;
}
// Adds the last point
pt = pts[lastInx];
if (pt == null && target != null)
{
pt = new mxPoint(state.view.getRoutingCenterX(target), state.view.getRoutingCenterY(target));
}
if (pt != null)
{
pt.x = Math.round(pt.x);
pt.y = Math.round(pt.y);
if (hint != null)
{
if (horizontal && ((pts[lastInx] != null && pts[lastInx].y != hint.y) ||
(pts[lastInx] == null && target != null &&
(hint.y < target.y || hint.y > target.y + target.height))))
{
pushPoint(new mxPoint(pt.x, hint.y));
}
else if (!horizontal && ((pts[lastInx] != null && pts[lastInx].x != hint.x) ||
(pts[lastInx] == null && target != null &&
(hint.x < target.x || hint.x > target.x + target.width))))
{
pushPoint(new mxPoint(hint.x, pt.y));
}
}
}
// Removes bends inside the source terminal for floating ports
if (pts[0] == null && source != null)
{
while (result.length > 1 && result[1] != null &&
mxUtils.contains(source, result[1].x, result[1].y))
{
result.splice(1, 1);
}
}
// Removes bends inside the target terminal
if (pts[lastInx] == null && target != null)
{
while (result.length > 1 && result[result.length - 1] != null &&
mxUtils.contains(target, result[result.length - 1].x, result[result.length - 1].y))
{
result.splice(result.length - 1, 1);
}
}
// Removes last point if inside tolerance with end point
if (pe != null && result[result.length - 1] != null &&
Math.abs(pe.x - result[result.length - 1].x) < tol &&
Math.abs(pe.y - result[result.length - 1].y) < tol)
{
result.splice(result.length - 1, 1);
// Lines up second last point in result with end point
if (result[result.length - 1] != null)
{
if (Math.abs(result[result.length - 1].x - pe.x) < tol)
{
result[result.length - 1].x = pe.x;
}
if (Math.abs(result[result.length - 1].y - pe.y) < tol)
{
result[result.length - 1].y = pe.y;
}
}
}
},