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GraphView: Highlight the edges of the selected node

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Vishesh Handa
2020-08-18 13:35:33 +02:00
parent f1d8546e81
commit f2dcc4d193
1 changed files with 6 additions and 1 deletions
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7
lib/main_graph.dart
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@ -62,12 +62,17 @@ class MyPainter extends CustomPainter {
void paint(Canvas canvas, Size size) { void paint(Canvas canvas, Size size) {
// Draw all the edges // Draw all the edges
for (var edge in graph.edges) { for (var edge in graph.edges) {
var strokeWitdth = 2.5;
if (edge.a.pressed || edge.b.pressed) {
strokeWitdth *= 2;
}
canvas.drawLine( canvas.drawLine(
Offset(edge.a.x, edge.a.y), Offset(edge.a.x, edge.a.y),
Offset(edge.b.x, edge.b.y), Offset(edge.b.x, edge.b.y),
Paint() Paint()
..color = Colors.grey ..color = Colors.grey
..strokeWidth = 2.5, ..strokeWidth = strokeWitdth,
/*onPanUpdate: (detail) { /*onPanUpdate: (detail) {
print('Edge ${edge.a.label} -> ${edge.b.label} Swiped'); print('Edge ${edge.a.label} -> ${edge.b.label} Swiped');
},*/ },*/