//-------------------------------------------------------------------------
private void PopulateEntityList <T>(ListBox list,
Entity dependant = null) where T : Entity
{
try
{
list.Items.Clear();
ReadOnlyDictionary <int, T> entities;
ActiveRoadmap.GetEntities(out entities);
foreach (T entity in entities.Values)
{
if (dependant == null ||
dependant.GetIsDependantOn(entity))
{
list.Items.Add(entity);
}
}
}
catch (Exception ex)
{
Program.HandleException(ex);
}
}
//-------------------------------------------------------------------------
private void UpdateDiagram()
{
try
{
// Get graphviz bin path from settings.
string graphvizBinPath =
(string)Properties.Settings.Default["graphvizBinPath"];
if (graphvizBinPath == null ||
Directory.Exists(graphvizBinPath) == false)
{
MessageBox.Show(
"GraphViz bin path not found.",
"GraphViz",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
return;
}
// Create new diagram.
GraphVizDiagram diagram =
new GraphVizDiagram(
graphvizBinPath,
"Diagrams" + Path.DirectorySeparatorChar + "DiagramTemplate.gv");
// Get all the roadmap's entities.
Dictionary <int, Entity> entities;
ActiveRoadmap.GetEntities(out entities);
// Update each entity's metrics and calculate totals so we can calc percentages later.
double largestValuePoints = 0.0;
double largestEffortPoints = 0.0;
double largestPriorityPoints = 0.0;
foreach (Entity entity in entities.Values)
{
entity.Metrics.Calculate();
largestValuePoints = Math.Max(largestValuePoints, entity.Metrics.DependantsValuePointsTotal);
largestEffortPoints = Math.Max(largestEffortPoints, entity.Metrics.DependantsEffortPointsTotal);
largestPriorityPoints = Math.Max(largestPriorityPoints, entity.Metrics.DependantsPriorityPointsTotal);
}
// Add each entity to the diagram.
foreach (Entity entity in entities.Values)
{
// Determine node colour & shape based on entity type.
Color colour = Color.Gray;
GraphVizDiagram.Node.NodeShape shape = GraphVizDiagram.Node.NodeShape.PENTAGON;
if (entity is GoalEntity)
{
colour = Color.LightGreen;
shape = GraphVizDiagram.Node.NodeShape.BOX;
}
else if (entity is StrategyEntity)
{
colour = Color.LightBlue;
shape = GraphVizDiagram.Node.NodeShape.ELLIPSE;
}
else if (entity is RealisationEntity)
{
colour = Color.Bisque;
shape = GraphVizDiagram.Node.NodeShape.OCTAGON;
}
// Build format string based on what we want to show.
string format = "<B>{0}</B>";
if (uiDiagramShowMetrics.Checked)
{
format += "<BR/><B>V:</B>{1} <B>E:</B>{2} <B>P:</B>{3} <B>D:</B>{4}";
}
// Build entity text.
string entityTitle =
string.Format(
format + ' ', // Trailing space prevents text being partially clipped.
HttpUtility.HtmlEncode(entity.Title),
(int)(entity.Metrics.DependantsValuePointsTotal / largestValuePoints * 100),
(int)(entity.Metrics.DependantsEffortPointsTotal / largestEffortPoints * 100),
(int)(entity.Metrics.DependantsPriorityPointsTotal / largestPriorityPoints * 100),
entity.Metrics.DependantCount);
string entityText = null;
if (uiDiagramShowDescriptions.Checked &&
entity.Description.Length > 0)
{
entityText +=
"<BR/>" +
HttpUtility.HtmlEncode(
entity.Description).Replace(
Environment.NewLine, "<BR ALIGN='LEFT' />") +
"<BR ALIGN='LEFT' />";
}
// Add a node for the entity.
diagram.AddNode(
entity.Id,
entityTitle,
entityText,
40,
colour,
shape);
// Add links for each of this entity's dependencies.
ReadOnlyCollection <Entity> dependencies;
entity.GetDependencies(out dependencies);
foreach (Entity dependency in dependencies)
{
diagram.AddLinkToNode(entity.Id, dependency.Id);
}
}
// Create the actual diagram file.
string diagramFilename = diagram.CreateDiagram();
if (diagramFilename != null)
{
uiDiagram.Image = new Bitmap(diagramFilename);
}
}
catch (Exception ex)
{
Program.HandleException(ex);
}
}