public static void DrawToCanvas(Canvas canvas, WorkflowJsonObject flow)
{
flow.MoveNodesToPositive();
canvas.Children.Clear();
foreach (var node in flow.nodes)
{
Node nodeMark = new Node();
nodeMark.Text = node.name;
//if (node.pos.Length > 0)
//{
// nodeMark.Position = ParsePoint(node.pos);
//}
nodeMark.Position = new Point(node.xpos, node.ypos);
if (node.status == "passed")
{
nodeMark.FillColor = Color.FromArgb(255, 200, 250, 100);
}
else if (node.status == "current")
{
nodeMark.FillColor = Colors.Orange;
nodeMark.NeedAlert = true;
}
nodeMark.ReadyControl();
Canvas.SetZIndex(nodeMark, 100);
canvas.Children.Add(nodeMark);
}
foreach (var conn in flow.connections)
{
//Arrow arrow = new Arrow();
BezierLink arrow = new BezierLink();
arrow.StartPoint = ParsePoint(flow.nodes[conn.from]);
arrow.EndPoint = ParsePoint(flow.nodes[conn.to]);
arrow.StartOffset = NodeSize / 2;
arrow.EndOffset = NodeSize / 2;
//arrow.ArrowSize = NodeSize / 10;
//arrow.LabelText = conn.label;
arrow.ReadyControl();
canvas.Children.Add(arrow);
}
foreach (var label in flow.labels)
{
TextBlock textLabel = new TextBlock();
textLabel.Text = label.text;
textLabel.FontSize = 9;
textLabel.Foreground = new SolidColorBrush(Colors.Gray);
Canvas.SetLeft(textLabel, label.xpos);
Canvas.SetTop(textLabel, label.ypos);
canvas.Children.Add(textLabel);
}
//canvas.Width = flow.nodes.Max(x => x.xpos) + 2 * NodeSize;
//canvas.Height = flow.nodes.Max(x => x.ypos) + 2 * NodeSize;
}
public WorkflowJsonObject ToJsonObject()
{
WorkflowJsonObject json = new WorkflowJsonObject();
json.nodes = this.Nodes.Select(x => new FlowNodeJsonObject {
name = x.Name, user = x.AllowedUsers, role = x.AllowedRoles, xpos = x.FlowChartPositionX, ypos = x.FlowChartPositionY
}).ToList();
json.connections = this.Nodes.SelectMany(x => x.ToNodes.Select(y => new NodeConnectionJsonObject {
from = this.Nodes.IndexOf(x), to = this.Nodes.IndexOf(y), label = GetLabel(x, y)
})).ToList();
return(json);
}
public static string ToJson(WorkflowJsonObject workflowJson)
{
JsonObject json = new JsonObject(new List <KeyValuePair <string, JsonValue> >());
JsonArray jsonnodes = new JsonArray(new List <JsonValue>());
JsonArray jsonconns = new JsonArray(new List <JsonValue>());
foreach (var node in workflowJson.nodes)
{
JsonObject jsonNodeVals = new JsonObject(new List <KeyValuePair <string, JsonValue> >());
JsonPrimitive value_id = new JsonPrimitive(node.id);
JsonPrimitive value_name = new JsonPrimitive(node.name);
JsonPrimitive value_user = new JsonPrimitive(node.user);
JsonPrimitive value_role = new JsonPrimitive(node.role);
JsonPrimitive value_xpos = new JsonPrimitive(node.xpos);
JsonPrimitive value_ypos = new JsonPrimitive(node.ypos);
JsonPrimitive value_status = new JsonPrimitive("");
jsonNodeVals.Add(new KeyValuePair <string, JsonValue>("id", value_id));
jsonNodeVals.Add(new KeyValuePair <string, JsonValue>("name", value_name));
jsonNodeVals.Add(new KeyValuePair <string, JsonValue>("user", value_user));
jsonNodeVals.Add(new KeyValuePair <string, JsonValue>("role", value_role));
jsonNodeVals.Add(new KeyValuePair <string, JsonValue>("xpos", value_xpos));
jsonNodeVals.Add(new KeyValuePair <string, JsonValue>("ypos", value_ypos));
jsonNodeVals.Add(new KeyValuePair <string, JsonValue>("status", value_status));
jsonnodes.Add(jsonNodeVals);
}
foreach (var conn in workflowJson.connections)
{
JsonObject jsonConnVals = new JsonObject(new List <KeyValuePair <string, JsonValue> >());
JsonPrimitive value_from = new JsonPrimitive(conn.from);
JsonPrimitive value_to = new JsonPrimitive(conn.to);
JsonPrimitive value_label = new JsonPrimitive(conn.label);
jsonConnVals.Add(new KeyValuePair <string, JsonValue>("from", value_from));
jsonConnVals.Add(new KeyValuePair <string, JsonValue>("to", value_to));
jsonConnVals.Add(new KeyValuePair <string, JsonValue>("label", value_label));
jsonconns.Add(jsonConnVals);
}
json.Add(new KeyValuePair <string, JsonValue>("id", workflowJson.id));
json.Add(new KeyValuePair <string, JsonValue>("nodes", jsonnodes));
json.Add(new KeyValuePair <string, JsonValue>("connections", jsonconns));
return(json.ToString());
}
public static WorkflowJsonObject ParseJson(string json)
{
var data = JsonValue.Parse(json);
var result = new WorkflowJsonObject();
result.nodes = new List <FlowNodeJsonObject>();
result.connections = new List <NodeConnectionJsonObject>();
result.labels = new List <TextLabelJsonObject>();
foreach (JsonValue node in data["nodes"])
{
var nodeResult = new FlowNodeJsonObject();
nodeResult.id = node["id"];
nodeResult.name = node["name"];
nodeResult.user = node["user"];
nodeResult.role = node["role"];
nodeResult.xpos = node["xpos"];
nodeResult.ypos = node["ypos"];
nodeResult.status = node["status"];
result.nodes.Add(nodeResult);
}
foreach (JsonValue conn in data["connections"])
{
var connResult = new NodeConnectionJsonObject();
connResult.from = conn["from"];
connResult.to = conn["to"];
connResult.label = conn["label"];
result.connections.Add(connResult);
}
foreach (JsonValue label in data["labels"])
{
var labelResult = new TextLabelJsonObject();
labelResult.text = label["text"];
labelResult.xpos = label["xpos"];
labelResult.ypos = label["ypos"];
labelResult.centerAligned = label["centerAligned"];
labelResult.fontSize = label["fontSize"];
labelResult.fontFamily = label["fontFamily"];
result.labels.Add(labelResult);
}
result.id = data["id"];
return(result);
}