Немного разделения цветов
This commit is contained in:
parent
5e872804ac
commit
4cc9ab073d
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@ -6,40 +6,42 @@ import 'dart:math';
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class CurvePainter extends CustomPainter {
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CurvePainter({
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Key? key,
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required this.gr,
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required this.graphData,
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required this.bfsPath,
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});
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Graphs gr;
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final double rad = 7;
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final double width = 4;
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final Color col = Colors.black;
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List<int>? bfsPath;
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Graphs graphData;
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final double dotRad = 6;
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final double lineWidth = 2;
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final Color lineColor = Colors.black;
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final double aboveHeight = 5;
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double circleRad = 100;
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final TextStyle textStyle = const TextStyle(
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color: Colors.black,
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fontSize: 21,
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final TextStyle textStyle = TextStyle(
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color: Colors.green.shade900,
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fontSize: 20,
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);
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void drawLine(Canvas canvas, Offset p1, Offset p2) {
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Paint p = Paint();
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p.color = col;
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p.strokeWidth = width - 2;
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p.color = lineColor;
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p.strokeWidth = lineWidth;
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canvas.drawLine(p1, p2, p);
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}
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void drawDot(Canvas canvas, Offset p1) {
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var p = Paint();
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p.color = Colors.yellow.shade900;
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p.strokeWidth = width;
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canvas.drawCircle(p1, rad, p);
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p.strokeWidth = lineWidth + 2;
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canvas.drawCircle(p1, dotRad, p);
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}
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void drawSelfConnect(Canvas canvas, Offset p1) {
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var p = Paint();
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p.color = col;
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p.strokeWidth = width - 2;
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p.color = lineColor;
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p.strokeWidth = lineWidth;
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p.style = PaintingStyle.stroke;
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canvas.drawCircle(Offset(p1.dx + rad + 20, p1.dy), rad + 20, p);
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canvas.drawCircle(Offset(p1.dx + dotRad + 20, p1.dy), dotRad + 20, p);
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}
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TextSpan _getTextSpan(String s) => TextSpan(text: s, style: textStyle);
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@ -66,27 +68,14 @@ class CurvePainter extends CustomPainter {
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(size.dy - textPainter.height) - aboveHeight));
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}
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Graphs getGraph() {
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List<Dot> d = <Dot>[];
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d.add(Dot.fromTwoLists("1", [2, 3], [1, 1]));
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d.add(Dot.fromTwoLists("2", [1, 3], [1, 1]));
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d.add(Dot.fromTwoLists("3", [1, 2], [1, 1]));
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d.add(Dot.fromTwoLists("Name1", [], []));
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d.add(Dot.fromTwoLists("Name2", [], []));
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return Graphs.fromList("1", d, false, false);
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}
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int getHighInputConnections() {
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if (gr.getDots().length <= 3) return -1;
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if (graphData.getDots().length != 1 && graphData.getDots().length <= 3) {
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return -1;
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}
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int higest = -1;
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for (var i in gr.getDots()) {
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for (var i in graphData.getDots()) {
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if (i.getL().length > higest) higest = i.num;
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}
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/*gr.getDots().forEach((element) {
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if (element.getL().length > higest) {
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higest = element.num;
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}
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});*/
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return higest;
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}
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@ -110,14 +99,14 @@ class CurvePainter extends CustomPainter {
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} else {
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print("GetDotPos error");
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}
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print(off.length);
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//print(off.length);
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}
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//print(off);
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return off;
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}
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void drawLowArrow(Canvas canvas, Size size, Offset from, Offset to,
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void drawHArrow(Canvas canvas, Size size, Offset from, Offset to,
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[bool doubleSided = false]) {
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Path path;
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@ -127,7 +116,7 @@ class CurvePainter extends CustomPainter {
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..style = PaintingStyle.stroke
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..strokeCap = StrokeCap.round
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..strokeJoin = StrokeJoin.round
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..strokeWidth = width - 1;
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..strokeWidth = lineWidth;
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var length = sqrt((to.dx - from.dx) * (to.dx - from.dx) +
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(to.dy - from.dy) * (to.dy - from.dy));
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@ -135,8 +124,13 @@ class CurvePainter extends CustomPainter {
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/// Draw a single arrow.
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path = Path();
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path.moveTo(from.dx, from.dy);
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path.relativeCubicTo(0, 0, -(from.dx + to.dx) / length * 2 - 40,
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-(from.dy + to.dy) / length * 2 - 40, to.dx - from.dx, to.dy - from.dy);
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path.relativeCubicTo(
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0,
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0,
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-(from.dx + to.dx) / (length * 2) - 40,
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-(from.dy + to.dy) / (length * 2) - 40,
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to.dx - from.dx,
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to.dy - from.dy);
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path =
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ArrowPath.make(path: path, isDoubleSided: doubleSided, tipLength: 16);
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canvas.drawPath(path, paint);
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@ -152,7 +146,7 @@ class CurvePainter extends CustomPainter {
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..style = PaintingStyle.stroke
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..strokeCap = StrokeCap.round
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..strokeJoin = StrokeJoin.round
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..strokeWidth = width - 1;
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..strokeWidth = lineWidth;
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var length = sqrt((to.dx - from.dx) * (to.dx - from.dx) +
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(to.dy - from.dy) * (to.dy - from.dy));
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@ -160,8 +154,13 @@ class CurvePainter extends CustomPainter {
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/// Draw a single arrow.
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path = Path();
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path.moveTo(from.dx, from.dy);
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path.relativeCubicTo(0, 0, (from.dx + to.dx) / length + 60,
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(from.dy + to.dy) / length + 0, to.dx - from.dx, to.dy - from.dy);
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path.relativeCubicTo(
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0,
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0,
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(from.dx + to.dx) / (length * 3) + 40,
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(from.dy + to.dy) / (length * 2) + 40,
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to.dx - from.dx,
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to.dy - from.dy);
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path = ArrowPath.make(
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path: path,
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isDoubleSided: doubleSided,
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@ -179,10 +178,10 @@ class CurvePainter extends CustomPainter {
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if (d == i.num) {
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drawSelfConnect(canvas, off[d]!);
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} else {
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if (gr.getDoubleSidedBool()) {
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if (graphData.getDoubleSidedBool()) {
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if (d > i.num) {
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drawLowArrow(canvas, size, beg!, off[d]!, false);
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if (gr.getUseLengthBool()) {
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drawHArrow(canvas, size, beg!, off[d]!, false);
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if (graphData.getUseLengthBool()) {
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drawDotNames(
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canvas,
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Offset((off[d]!.dx + beg.dx) / 2 - 18,
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@ -191,7 +190,7 @@ class CurvePainter extends CustomPainter {
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}
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} else {
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drawHighArrow(canvas, size, beg!, off[d]!, false);
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if (gr.getUseLengthBool()) {
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if (graphData.getUseLengthBool()) {
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drawDotNames(
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canvas,
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Offset((off[d]!.dx + beg.dx) / 2 + 30,
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@ -201,7 +200,7 @@ class CurvePainter extends CustomPainter {
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}
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} else {
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drawLine(canvas, beg!, off[d]!);
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if (gr.getUseLengthBool()) {
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if (graphData.getUseLengthBool()) {
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drawDotNames(
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canvas,
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Offset((off[d]!.dx + beg.dx) / 2, (off[d]!.dy + beg.dy) / 2),
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@ -227,15 +226,16 @@ class CurvePainter extends CustomPainter {
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//gr = getGraph();
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//int higest = getHighConnections();
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//if (higest > -1) {
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var off = getDotPos(gr.getDotAmount(), size); //, higest);
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var off = getDotPos(graphData.getDotAmount(), size); //, higest);
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//off[higest] = Offset(size.width / 2, size.height / 2);
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for (int i in off.keys) {
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drawDot(canvas, off[i]!);
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drawDotNames(canvas, off[i]!, "${gr.getDots()[i - 1].getName()}:[${i}]");
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drawDotNames(
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canvas, off[i]!, "${graphData.getDots()[i - 1].getName()}:[$i]");
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}
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//var g = gr.getNoRepeatDots();
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//print(g);
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var g = gr.getDots();
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var g = graphData.getDots();
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drawConnections(canvas, size, g, off);
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//pringArr(canvas, size);
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//drawArrow(canvas, Offset(size.width / 2, size.height / 2),
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@ -23,7 +23,8 @@ class DrawingPage extends StatefulWidget {
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class _DrawingPageState extends State<DrawingPage> {
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double screenSize = 0;
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Graphs data = getGraph();
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Graphs graphData = getGraph();
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List<int>? bfsPath;
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final _textNameController = TextEditingController();
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final _textNumbController = TextEditingController();
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@ -41,7 +42,7 @@ class _DrawingPageState extends State<DrawingPage> {
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@override
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Widget build(BuildContext context) {
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screenSize = MediaQuery.of(context).size.width;
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_textGrNmController.text = data.getName();
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_textGrNmController.text = graphData.getName();
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return MaterialApp(
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home: Scaffold(
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appBar: AppBar(
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@ -58,23 +59,24 @@ class _DrawingPageState extends State<DrawingPage> {
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child: Column(children: <Widget>[
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const SizedBox(height: 5),
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Row(children: [
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addSpaceW(screenSize / 8 + 21),
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addSpaceW(screenSize / 8 + 19),
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createButton("\nAdd dot\n", addDotPushed),
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createInputBox("Dot name", screenSize / 4 - 25, Icons.label,
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_textNameController),
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addSpaceW(18),
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createButton("\nDel dot \n", delDotPushed),
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createInputBox("Dot number", screenSize / 4 - 25,
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Icons.fiber_manual_record, _textNumbController),
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]),
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addSpaceH(3),
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Row(children: [
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createInputBox(
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"Name", screenSize / 8 - 25, null, _textGrNmController),
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//addSpaceW(screenSize / 8 - 4),
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addSpaceW(8),
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createButton("\nAdd path\n", addPathPushed),
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createInputBox("Input length", screenSize / 4 - 25,
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Icons.arrow_right_alt_outlined, _textLnthController),
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]),
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addSpaceH(3),
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Row(children: [
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addSpaceW(5),
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createInputBox(
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"Name", screenSize / 8 - 25, null, _textGrNmController),
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//addSpaceW(screenSize / 8 - 4),
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createButton("\nDel dot \n", delDotPushed),
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createInputBox("Dot number", screenSize / 4 - 25,
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Icons.fiber_manual_record, _textNumbController),
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addSpaceW(13),
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createButton("\nDel path\n", delPathPushed),
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createInputBox("Destination number", screenSize / 4 - 25,
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@ -90,21 +92,45 @@ class _DrawingPageState extends State<DrawingPage> {
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),
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]),
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body: CustomPaint(
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painter: CurvePainter(gr: data),
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painter: CurvePainter(graphData: graphData, bfsPath: bfsPath),
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child: Align(
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alignment: Alignment.topRight,
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child: ButtonBar(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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createButton("Bfs", () {}),
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createButton("Bfs", bfsPushed),
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createButton("Dfs", () {}),
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createButton(data.getUseLengthStr(), changeLength),
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createButton(data.getDoubleSidedStr(), changeOriented),
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createButton("Clear dfs or bfs", () => bfsPath = null),
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createButton(graphData.getUseLengthStr(), changeLength),
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createButton(graphData.getDoubleSidedStr(), changeOriented),
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/*Text(_textGrNmController.text,
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style:
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TextStyle(fontSize: 15, color: Colors.blueGrey.shade900)),*/
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createButton("Save to file", fileSaver),
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createButton("Load from file", fileOpener),
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createButton("Help", () {
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String out =
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" В поле \"Graph name\" можно сменить имя графу.\n";
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out +=
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" Для добавления точки необходимо ввести имя в \"Dot name\" и нажать на \"Add dot\".\n";
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out +=
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" Для удаления точки необходимо ввести номер в \"Dot number\" и нажать на \"Del dot\".\n";
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out +=
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" Для добавления пути необходимо ввести: номер выходной вершины в \"Dot number\", номер входной вершины в \"Destination number\" ";
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out +=
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"и, если граф взвешенный, то ввести длину пути в \"Input length\". Затем нажать \"Add path\".\n";
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out +=
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" Для удаления пути необходимо ввести номер выходной вершины в \"Dot number\" и номер входной вершины в \"Destination number\". Затем нажать \"Del path\".\n\n";
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out +=
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" Кнопки \"Bfs\" и \"Dfs\" нумеруют точки в зависимости от послежовательности, в которой они будут пройдены.\n";
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out +=
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" Кнопки \"Взвешенный\" и \"Ориентированный\" позволяют сменить эти значения перед построением графа (т.е. для их работы граф должен быть пустым).\n";
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out +=
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" Кнопки \"Save to file\" и \"Load from file\" позволяют вывести информацию в файл и загрузить информацию из файла соответственно.\n";
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out +=
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" Кнопка \"Help\" описывает работу с интерфейсом программы.";
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showPopUp("Help:", out);
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})
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],
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),
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),
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@ -135,7 +161,7 @@ class _DrawingPageState extends State<DrawingPage> {
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child: TextField(
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controller: controller,
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textAlign: TextAlign.center,
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onChanged: (name) => data.setName(name),
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onChanged: (name) => graphData.setName(name),
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decoration: InputDecoration(
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contentPadding:
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const EdgeInsets.symmetric(vertical: 10, horizontal: 10),
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@ -176,6 +202,21 @@ class _DrawingPageState extends State<DrawingPage> {
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return SizedBox(width: w);
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}
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void showPopUp(String alertTitle, String err) => showDialog<String>(
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context: context,
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builder: (BuildContext context) => AlertDialog(
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title: Text(alertTitle),
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content: Text(err),
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actions: <Widget>[
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TextButton(
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onPressed: () => Navigator.pop(context, 'OK'),
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child: const Text('OK'),
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),
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],
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),
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);
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//*********ButtonsFunctions*********
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void addDotPushed() {
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//showPopUp("Test", "Test message");
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//var inp = int.tryParse(_textNameController.text);
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@ -183,7 +224,7 @@ class _DrawingPageState extends State<DrawingPage> {
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if (_textNameController.text == "") {
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showPopUp("Error", "No name in \"Dot name\" box");
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} else {
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String? res = data.addIsolated(_textNameController.text);
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String? res = graphData.addIsolated(_textNameController.text);
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if (res != null) {
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showPopUp("Error", res);
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}
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@ -197,8 +238,9 @@ class _DrawingPageState extends State<DrawingPage> {
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if (_textNumbController.text == "") {
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showPopUp("Error", "No number in \"Dot number\" box");
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} else if (_textDestController.text == "") {
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showPopUp("Error", "No name in \"Dot name\" box");
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} else if (_textLnthController.text == "" && data.getUseLengthBool()) {
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showPopUp("Error", "No name in \"Destination number\" box");
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} else if (_textLnthController.text == "" &&
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graphData.getUseLengthBool()) {
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showPopUp("Error", "No length in \"Input length\" box");
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} else {
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int? from = int.tryParse(_textNumbController.text);
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@ -206,12 +248,12 @@ class _DrawingPageState extends State<DrawingPage> {
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int? len = int.tryParse(_textLnthController.text);
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if (from == null ||
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to == null ||
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(len == null && data.getUseLengthBool())) {
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(len == null && graphData.getUseLengthBool())) {
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showPopUp("Error",
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"Can't parse input.\nInts only allowed in \"Dot number\", \"Destination number\" and \"Input length\"");
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} else {
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if (data.getUseLengthBool() && len == null) len = 0;
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String? res = data.addPath(from, to, len!);
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len ??= 0;
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String? res = graphData.addPath(from, to, len);
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if (res != null) {
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showPopUp("Error", res);
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}
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@ -221,23 +263,16 @@ class _DrawingPageState extends State<DrawingPage> {
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});
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}
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void addLenPushed() {
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//data.delDot()
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print(
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"${_textNumbController.text} -> ${_textDestController.text} = ${_textLnthController.text}");
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clearTextControllers();
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}
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void changeOriented() {
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setState(() {
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String? res = data.flipUseOrientation();
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String? res = graphData.flipUseOrientation();
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if (res != null) showPopUp("Error", res);
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});
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}
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void changeLength() {
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setState(() {
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String? res = data.flipUseLength();
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String? res = graphData.flipUseLength();
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if (res != null) showPopUp("Error", res);
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});
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}
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@ -255,7 +290,7 @@ class _DrawingPageState extends State<DrawingPage> {
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showPopUp("Error",
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||||
"Can't parse input.\nInts only allowed in \"Dot number\" and \"Destination number\"");
|
||||
} else {
|
||||
String? res = data.delPath(from, to);
|
||||
String? res = graphData.delPath(from, to);
|
||||
if (res != null) {
|
||||
showPopUp("Error", res);
|
||||
}
|
||||
|
|
@ -274,7 +309,7 @@ class _DrawingPageState extends State<DrawingPage> {
|
|||
if (dot == null) {
|
||||
showPopUp("Error", "Can't parse input.\nInts only allowed");
|
||||
} else {
|
||||
String? res = data.delDot(dot);
|
||||
String? res = graphData.delDot(dot);
|
||||
if (res != null) {
|
||||
showPopUp("Error", res);
|
||||
}
|
||||
|
|
@ -284,20 +319,6 @@ class _DrawingPageState extends State<DrawingPage> {
|
|||
});
|
||||
}
|
||||
|
||||
void showPopUp(String alertTitle, String err) => showDialog<String>(
|
||||
context: context,
|
||||
builder: (BuildContext context) => AlertDialog(
|
||||
title: Text(alertTitle),
|
||||
content: Text(err),
|
||||
actions: <Widget>[
|
||||
TextButton(
|
||||
onPressed: () => Navigator.pop(context, 'OK'),
|
||||
child: const Text('OK'),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
|
||||
void fileOpener() async {
|
||||
FilePickerResult? result =
|
||||
await FilePicker.platform.pickFiles(allowedExtensions: ["txt"]);
|
||||
|
|
@ -307,7 +328,8 @@ class _DrawingPageState extends State<DrawingPage> {
|
|||
showPopUp("Error", "Can open only \".txt\" files");
|
||||
} else {
|
||||
//print(result.files.single.path!);
|
||||
String? res = data.replaceDataFromFile(result.files.single.path!);
|
||||
String? res =
|
||||
graphData.replaceDataFromFile(result.files.single.path!);
|
||||
if (res != null) showPopUp("Error", res);
|
||||
}
|
||||
} else {
|
||||
|
|
@ -329,9 +351,34 @@ class _DrawingPageState extends State<DrawingPage> {
|
|||
if (!outputFile.endsWith(".txt")) {
|
||||
outputFile += ".txt";
|
||||
}
|
||||
data.printToFile(outputFile);
|
||||
graphData.printToFile(outputFile);
|
||||
}
|
||||
}
|
||||
|
||||
void clearScreen() => data.flushData();
|
||||
void bfsPushed() {
|
||||
setState(() {
|
||||
if (_textNumbController.text == "") {
|
||||
showPopUp("Error", "No number in \"Dot number\" box");
|
||||
} else if (_textDestController.text == "") {
|
||||
showPopUp("Error", "No name in \"Destination number\" box");
|
||||
} else {
|
||||
int? from = int.tryParse(_textNumbController.text);
|
||||
int? to = int.tryParse(_textDestController.text);
|
||||
if (from == null || to == null) {
|
||||
showPopUp("Error",
|
||||
"Can't parse input.\nInts only allowed in \"Dot number\" and \"Destination number\"");
|
||||
} else {
|
||||
bfsPath = graphData.bfsPath(from, to);
|
||||
if (bfsPath == null) {
|
||||
showPopUp("Info", "There is no path");
|
||||
}
|
||||
print(bfsPath);
|
||||
}
|
||||
}
|
||||
clearTextControllers();
|
||||
});
|
||||
}
|
||||
|
||||
void clearScreen() => graphData.flushData();
|
||||
//*********ButtonsFunctions*********
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,10 @@
|
|||
star
|
||||
Ориентированный
|
||||
НеВзвешенный
|
||||
1: 2|0
|
||||
2: 4|0
|
||||
3: 5|0
|
||||
4: 6|0
|
||||
5: 2|0
|
||||
6: 3|0
|
||||
END
|
||||
Loading…
Reference in New Issue