public FormGanttChart()
{
InitializeComponent();
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* GANTT CHART *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
chart.ChartAreas[0].AxisY.IntervalType = DateTimeIntervalType.Days;
//chart.ChartAreas[0].AxisY.Interval = 1;
// Get each task start date and finish date
HashSet <Node> Nodes = Program.formMain.GetNodes();
int maxEmployees = 0;
// While there are uncomlited tasks
DateTime currentDate = Program.formMain.dateTimePicker.Value;
for (; Nodes.Any(new Func <Node, bool>(delegate(Node node) { return(node.Days > 0); })); currentDate = currentDate.AddDays(1))
{
// Start unstarted tasks that have all dependencies complited
foreach (Node node in Nodes)
{
if (!node.HasStarted && node.Dependencies.All(new Func <Node, bool>(delegate(Node dependency) { return(dependency.Days == 0); })))
{
node.HasStarted = true;
node.StartDate = currentDate;
}
}
// Decrese days of uncomplited started tasks and finish them if current day was last
if (Program.formMain.checkboxes[(int)currentDate.DayOfWeek].Checked)
{
// Count of employees required at current day
int employ = 0;
foreach (Node node in Nodes)
{
if (node.HasStarted && node.Days > 0)
{
employ++;
if (--node.Days == 0)
{
node.FinishDate = currentDate;
}
}
}
// Check for loops
if (employ == 0)
{
throw new Exception("Loop detected");
}
// Check if max emloyees required at current day
if (employ > maxEmployees)
{
maxEmployees = employ;
}
}
}
employees.Text = maxEmployees.ToString();
deadline.Text = currentDate.ToLongDateString();
period.Text = (currentDate - Program.formMain.dateTimePicker.Value).Days.ToString() + " days";
// Set Y axis maximum an minimum dates
chart.ChartAreas[0].AxisY.Minimum = Program.formMain.dateTimePicker.Value.AddDays(-1).ToOADate();
chart.ChartAreas[0].AxisY.Maximum = currentDate.ToOADate();
// Add DataPoints to chart
for (int i = 0; i < Nodes.Count(); i++)
{
Node node = Nodes.ElementAt(i);
chart.Series[0].Points.AddXY(i, node.StartDate, node.FinishDate.AddDays(1));
chart.Series[0].Points[i].Label = chart.Series[0].Points[i].AxisLabel = node.ID;
chart.Series[0].Points[i].ToolTip = node.StartDate.ToShortDateString() + " - " + node.FinishDate.ToShortDateString();
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Program Evaluation and Review Technique *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
// Get union of all nodes dependencies
List <Node> allDependencies = new List <Node>();
// List of checkpoints
List <Checkpoint> checkpoints = new List <Checkpoint>();
for (int i = 0, m = 0; i < Nodes.Count; i++)
{
Node node = Nodes.ElementAt(i);
allDependencies.AddRange(node.Dependencies);
if (node.checkpoint == null)
{
// Set checkpoint to node
Checkpoint checkpoint = new Checkpoint();
checkpoint.ID = (checkpoint.Dependencies = node.Dependencies).Count == 0 ? "Start" : Checkpoint.template + m++.ToString();
node.checkpoint = checkpoint;
// Check other nodes for same dependencies
for (int j = i + 1; j < Nodes.Count; j++)
{
Node otherNode = Nodes.ElementAt(j);
if (otherNode.Dependencies.SetEquals(node.Dependencies))
{
otherNode.checkpoint = checkpoint;
}
}
checkpoints.Add(checkpoint);
}
}
// Create finish checkpoint
Checkpoint finish = new Checkpoint();
finish.ID = "Finish";
finish.Dependencies = new HashSet <Node>(Nodes.Except(allDependencies));
checkpoints.Add(finish);
// Get critical way
List <object> critical = new List <object>();
critical.Add(finish);
for (Checkpoint checkpoint = finish; checkpoint.Dependencies.Count > 0;)
{
DateTime latestDate = checkpoint.Dependencies.Max(new Func <Node, DateTime>(delegate(Node node) { return(node.FinishDate); }));
Node latestNode = checkpoint.Dependencies.First(new Func <Node, bool>(delegate(Node next) { return(next.FinishDate == latestDate); }));
critical.Add(checkpoint = latestNode.checkpoint);
critical.Add(latestNode);
}
// Create graph
Microsoft.Glee.Drawing.Graph graph = new Microsoft.Glee.Drawing.Graph("PERT");
// Add nodes
foreach (Node node in Nodes)
{
graph.AddNode(node.ID);
graph.FindNode(node.ID).Attr.Fillcolor = Microsoft.Glee.Drawing.Color.Azure;
}
// Add checkpoints
foreach (Checkpoint checkpoint in checkpoints)
{
graph.AddNode(checkpoint.ID);
Microsoft.Glee.Drawing.Node graphNode = graph.FindNode(checkpoint.ID);
graphNode.Attr.Fillcolor = Microsoft.Glee.Drawing.Color.MistyRose;
graphNode.Attr.Shape = Microsoft.Glee.Drawing.Shape.Diamond;
}
// Connect each node to its dependency checkpoint
foreach (Node node in Nodes)
{
Microsoft.Glee.Drawing.Edge edge = new Microsoft.Glee.Drawing.Edge(node.checkpoint.ID, null, node.ID);
if (critical.Contains(node))
{
edge.Attr.Color = Microsoft.Glee.Drawing.Color.Red;
}
graph.Edges.Add(edge);
}
// Connect each checkpoint to all dependency nodes
foreach (Checkpoint checkpoint in checkpoints)
{
foreach (Node node in checkpoint.Dependencies)
{
Microsoft.Glee.Drawing.Edge edge = new Microsoft.Glee.Drawing.Edge(node.ID, null, checkpoint.ID);
if (critical.Contains(node) && critical.Contains(checkpoint))
{
edge.Attr.Color = Microsoft.Glee.Drawing.Color.Red;
}
graph.Edges.Add(edge);
}
}
// Bind the graph to the viewer
gViewer.Graph = graph;
gViewer.OutsideAreaBrush = Brushes.OldLace;
}
public FormGanttChart()
{
InitializeComponent();
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* GANTT CHART *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
chart.ChartAreas[0].AxisY.IntervalType = DateTimeIntervalType.Days;
//chart.ChartAreas[0].AxisY.Interval = 1;
// Get each task start date and finish date
HashSet<Node> Nodes = Program.formMain.GetNodes();
int maxEmployees = 0;
// While there are uncomlited tasks
DateTime currentDate = Program.formMain.dateTimePicker.Value;
for (; Nodes.Any(new Func<Node, bool>(delegate(Node node) { return node.Days > 0; })); currentDate = currentDate.AddDays(1))
{
// Start unstarted tasks that have all dependencies complited
foreach (Node node in Nodes)
if (!node.HasStarted && node.Dependencies.All(new Func<Node, bool>(delegate(Node dependency) { return dependency.Days == 0; })))
{
node.HasStarted = true;
node.StartDate = currentDate;
}
// Decrese days of uncomplited started tasks and finish them if current day was last
if (Program.formMain.checkboxes[(int)currentDate.DayOfWeek].Checked)
{
// Count of employees required at current day
int employ = 0;
foreach (Node node in Nodes)
if (node.HasStarted && node.Days > 0)
{
employ++;
if (--node.Days == 0)
node.FinishDate = currentDate;
}
// Check for loops
if (employ == 0) throw new Exception("Loop detected");
// Check if max emloyees required at current day
if (employ > maxEmployees) maxEmployees = employ;
}
}
employees.Text = maxEmployees.ToString();
deadline.Text = currentDate.ToLongDateString();
period.Text = (currentDate - Program.formMain.dateTimePicker.Value).Days.ToString() + " days";
// Set Y axis maximum an minimum dates
chart.ChartAreas[0].AxisY.Minimum = Program.formMain.dateTimePicker.Value.AddDays(-1).ToOADate();
chart.ChartAreas[0].AxisY.Maximum = currentDate.ToOADate();
// Add DataPoints to chart
for (int i = 0; i < Nodes.Count(); i++)
{
Node node = Nodes.ElementAt(i);
chart.Series[0].Points.AddXY(i, node.StartDate, node.FinishDate.AddDays(1));
chart.Series[0].Points[i].Label = chart.Series[0].Points[i].AxisLabel = node.ID;
chart.Series[0].Points[i].ToolTip = node.StartDate.ToShortDateString() + " - " + node.FinishDate.ToShortDateString();
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Program Evaluation and Review Technique *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
// Get union of all nodes dependencies
List<Node> allDependencies = new List<Node>();
// List of checkpoints
List<Checkpoint> checkpoints = new List<Checkpoint>();
for (int i = 0, m = 0; i < Nodes.Count; i++)
{
Node node = Nodes.ElementAt(i);
allDependencies.AddRange(node.Dependencies);
if (node.checkpoint == null)
{
// Set checkpoint to node
Checkpoint checkpoint = new Checkpoint();
checkpoint.ID = (checkpoint.Dependencies = node.Dependencies).Count == 0 ? "Start" : Checkpoint.template + m++.ToString();
node.checkpoint = checkpoint;
// Check other nodes for same dependencies
for (int j = i + 1; j < Nodes.Count; j++)
{
Node otherNode = Nodes.ElementAt(j);
if (otherNode.Dependencies.SetEquals(node.Dependencies))
otherNode.checkpoint = checkpoint;
}
checkpoints.Add(checkpoint);
}
}
// Create finish checkpoint
Checkpoint finish = new Checkpoint();
finish.ID = "Finish";
finish.Dependencies = new HashSet<Node>(Nodes.Except(allDependencies));
checkpoints.Add(finish);
// Get critical way
List<object> critical = new List<object>();
critical.Add(finish);
for (Checkpoint checkpoint = finish; checkpoint.Dependencies.Count > 0; )
{
DateTime latestDate = checkpoint.Dependencies.Max(new Func<Node, DateTime>(delegate(Node node) { return node.FinishDate; }));
Node latestNode = checkpoint.Dependencies.First(new Func<Node, bool>(delegate(Node next) { return next.FinishDate == latestDate; }));
critical.Add(checkpoint = latestNode.checkpoint);
critical.Add(latestNode);
}
// Create graph
Microsoft.Glee.Drawing.Graph graph = new Microsoft.Glee.Drawing.Graph("PERT");
// Add nodes
foreach (Node node in Nodes)
{
graph.AddNode(node.ID);
graph.FindNode(node.ID).Attr.Fillcolor = Microsoft.Glee.Drawing.Color.Azure;
}
// Add checkpoints
foreach (Checkpoint checkpoint in checkpoints)
{
graph.AddNode(checkpoint.ID);
Microsoft.Glee.Drawing.Node graphNode = graph.FindNode(checkpoint.ID);
graphNode.Attr.Fillcolor = Microsoft.Glee.Drawing.Color.MistyRose;
graphNode.Attr.Shape = Microsoft.Glee.Drawing.Shape.Diamond;
}
// Connect each node to its dependency checkpoint
foreach (Node node in Nodes)
{
Microsoft.Glee.Drawing.Edge edge = new Microsoft.Glee.Drawing.Edge(node.checkpoint.ID, null, node.ID);
if (critical.Contains(node))
edge.Attr.Color = Microsoft.Glee.Drawing.Color.Red;
graph.Edges.Add(edge);
}
// Connect each checkpoint to all dependency nodes
foreach (Checkpoint checkpoint in checkpoints)
foreach (Node node in checkpoint.Dependencies)
{
Microsoft.Glee.Drawing.Edge edge = new Microsoft.Glee.Drawing.Edge(node.ID, null, checkpoint.ID);
if (critical.Contains(node) && critical.Contains(checkpoint))
edge.Attr.Color = Microsoft.Glee.Drawing.Color.Red;
graph.Edges.Add(edge);
}
// Bind the graph to the viewer
gViewer.Graph = graph;
gViewer.OutsideAreaBrush = Brushes.OldLace;
}