/// <summary>
/// Handles a bpmn root added event, by adding an appropriate process into the data model.
/// This event occurs whenever a root is added into the model.
/// This occurs in only two scenarios - the first participant (pool) is added, or the last participant is removed.
/// Only the case when the last participant is removed is handled in here, as the other case is handled
/// by the participant added event
/// </summary>
private void RootAdded(object sender, BpmnElementEvent e)
{
if (e.Element.Type == "bpmn:Process")
{
_contractManager.AddNewProcess(e.Element.Id);
}
}
private void ConnectionAdded(object sender, BpmnElementEvent e)
{
if (e.Element.Type == "bpmn:SequenceFlow")
{
_processManager.AddSequenceFlow(e.Element.Id, e.Element.Target, e.Element.Source, e.Element.ProcessId);
}
}
private void ShapeAdded(object sender, BpmnElementEvent e)
{
//New process is being added (along with a participant/pool)
if (e.Element.Type == "bpmn:Participant")
{
_contractManager.AddNewProcess(e.Element.ProcessId, e.Element.Id);
if (_contractManager.TryGetProcess(e.Element.ProcessId, out var process))
{
if (_editElementService.EditElement == process)
{
_editElementService.EditedElementModified();
}
else
{
_editElementService.EditElement = process;
}
}
}
//Process element is being added
else
{
ElementAdded(e);
}
}
private void ElementAdded(BpmnElementEvent e)
{
var element = _processManager.AddElement(e.Element.Type, e.Element.Id, e.Element.ProcessId);
if (element != null)
{
_editElementService.EditElement = element;
}
}
private void RootRemoved(object sender, BpmnElementEvent e)
{
/*
* if (e.Element.Type == "bpmn:Process")
* {
* _contractManager.RemoveProcess(e.Element.Id);
* }
*/
}
private void ConnectionRemoved(object sender, BpmnElementEvent e)
{
if (e.Element.Type == "bpmn:SequenceFlow")
{
if (_editElementService.EditElement?.Id == e.Element.Id)
{
_editElementService.EditElement = null;
}
_processManager.RemoveSequenceFlow(e.Element.Id);
}
}
private void ElementIdUpdated(object sender, BpmnElementEvent e)
{
_processManager.UpdateId(e.Element.Id, e.NewId, e.Element.ProcessId);
if (_processManager.TryRetrieveElementById(e.NewId, e.Element.ProcessId, out var element))
{
if (_editElementService.EditElement == element)
{
_editElementService.EditedElementModified();
}
}
}
private void ElementClicked(object sender, BpmnElementEvent e)
{
if (e.Element.Type == "bpmn:Collaboration" || e.Element.Type == "bpmn:Association" || e.Element.Type == "bpmn:TextAnnotation")
{
return;
}
string elementId;
//Extract the represented element id if the element is of type label
if (e.Element?.Type == "label")
{
elementId = e.Element.Id.Substring(0, e.Element.Id.Length - "_label".Length);
}
else
{
elementId = e.Element.Id;
}
if (e.Element.Type == "bpmn:Process")
{
_contractManager.TryGetProcess(e.Element.Id, out var process);
_editElementService.EditElement = process;
}
else if (e.Element.Type == "bpmn:Participant")
{
_contractManager.TryGetProcess(e.Element.ProcessId, out var process);
_editElementService.EditElement = process;
}
else if (_processManager.TryRetrieveIElementById(elementId, e.Element.ProcessId, out var element))
{
_editElementService.EditElement = element;
}
else
{
_editElementService.EditElement = null;
}
}
private void ShapeRemoved(object sender, BpmnElementEvent e)
{
if (e.Element.Type == "label" || e.Element.Type == "bpmn:TextAnnotation")
{
return;
}
//Process is being removed
if (e.Element.Type == "bpmn:Participant")
{
var processId = _contractManager.GetProcessIdFromParticipantId(e.Element.Id);
_contractManager.RemoveProcess(processId);
}
//Process element is being removed
else
{
_processManager.RemoveElement(e.Element?.Id);
}
//Close the sidebar if the deleted element is currently selected
if (_editElementService.EditElement?.Id == e.Element.Id || _editElementService.EditElement?.Id == e.Element.ProcessId)
{
_editElementService.EditElement = null;
}
}
private void ElementChanged(object sender, BpmnElementEvent e)
{
//No process id is defined, or the process does not exist -- the element is in the phase of deletion
if (string.IsNullOrEmpty(e.Element.ProcessId) || !_processManager.ProcessExists(e.Element.ProcessId))
{
return;
}
IContractElement contractElement = null;
if (e.Element.Type == "bpmn:Participant")
{
_contractManager.TryGetProcess(e.Element.ProcessId, out var process);
process.Name = e.Element.Name;
contractElement = process;
}
if (_processManager.TryRetrieveIElementById(e.Element.Id, out var element))
{
//Parse element name
element.Name = e.Element.Name;
//Parse element loop type
if (element is Abstraction.Processes.Tasks.Task)
{
var taskElement = element as Abstraction.Processes.Tasks.Task;
if (e.Element.LoopType == "bpmn:MultiInstanceLoopCharacteristics")
{
if (e.Element.IsSequential)
{
taskElement.InstanceType = Abstraction.Processes.Tasks.InstanceType.Sequential;
}
else
{
taskElement.InstanceType = Abstraction.Processes.Tasks.InstanceType.Parallel;
}
}
else
{
taskElement.InstanceType = Abstraction.Processes.Tasks.InstanceType.Single;
}
}
if (element is BoundaryEvent)
{
Console.WriteLine($"Attached to: {e.Element.AttachedTo}");
var boundaryEvent = element as BoundaryEvent;
boundaryEvent.AttachedTo = e.Element.AttachedTo;
}
//Parse incoming and outgoing if processElement
if (element is ProcessElement)
{
var processElement = element as ProcessElement;
processElement.Incoming = new List <string>(e.Element.Incoming);
processElement.Outgoing = new List <string>(e.Element.Outgoing);
}
//Parse sequence flow information
if (element is SequenceFlow)
{
var sequenceFlow = element as SequenceFlow;
_processManager.UpdateSequenceFlowSourceAndTarget(sequenceFlow, e.Element.Source, e.Element.Target, e.Element.ProcessId);
}
//Check if parent process of the element has changed
if (_processManager.TryGetProcessOfElement(element.Id, out var process))
{
if (process.Id != e.Element.ProcessId)
{
Console.WriteLine($"Process changed in element, prev process: {process.Id}, new Process: {e.Element.ProcessId}");
_processManager.ChangeProcessOfElement(element, process.Id, e.Element.ProcessId);
}
}
contractElement = element;
}
//Notify about element modification if currently selected
if (_editElementService.EditElement == contractElement)
{
_editElementService.EditedElementModified();
}
}