public bool StepHasAlternatives(Step step)
{
Int32 index;
Step tmpStep;
if(step.Type == Step.StepType.AlternativeChild)
{
return true;
}
for(index = this.Steps.Count - 1; index >= 0; index--)
{
tmpStep = (Step)this.Steps[index];
if(tmpStep.UniqueID == step.UniqueID)
{
break;
}
}
// Step is not found or it is the last step in collection
if(index >= this.Steps.Count - 1)
{
return false;
}
tmpStep = (Step)this.Steps[index + 1];
if(step.Type == Step.StepType.Default && tmpStep.Type == Step.StepType.Alternative)
{
return true;
}
if(step.Type == Step.StepType.Alternative && tmpStep.Type == Step.StepType.AlternativeChild)
{
return true;
}
return false;
}
public void RemoveStep(Step step)
{
for(int i = this.steps.Count - 1; i >= 0; i--)
{
Step tmpStep = (Step)this.steps[i];
switch(step.Type)
{
case Step.StepType.Default:
if(tmpStep.ID == step.ID)
{
this.steps.Remove(tmpStep);
}
if(tmpStep.ID > step.ID)
{
tmpStep.ID -= 1;
}
break;
case Step.StepType.Alternative:
if(tmpStep.ID == step.ID)
{
if(tmpStep.Prefix == step.Prefix)
{
this.steps.Remove(tmpStep);
}
if(tmpStep.Prefix != String.Empty && tmpStep.Prefix.CompareTo(step.Prefix) > 0)
{
Char nextChar = tmpStep.Prefix[0];
nextChar--;
tmpStep.Prefix = new String(nextChar,1);
}
}
break;
case Step.StepType.AlternativeChild:
if(tmpStep.ID == step.ID && tmpStep.Prefix == step.Prefix)
{
if(tmpStep.ChildID == step.ChildID)
{
this.steps.Remove(step);
}
if(tmpStep.ChildID > step.ChildID)
{
tmpStep.ChildID -= 1;
}
}
break;
}
}
}
public Int32 AddStep(
Step previousStep,
Step.StepType type,
String stereotype,
UseCase referencedUseCase,
DependencyItem.ReferenceType referenceType)
{
Step step = new Step();
Int32 index;
Int32 ret;
if(referenceType != DependencyItem.ReferenceType.None)
{
step.Dependency.Stereotype = stereotype;
step.Dependency.PartnerUniqueID = referencedUseCase.UniqueID;
step.Dependency.Type = referenceType;
step.Description = (step.Dependency.Stereotype != "") ? "<<" + step.Dependency.Stereotype + ">>" : "";
step.Description += " \"";
step.Description += referencedUseCase.Name;
step.Description += "\"";
}
if(previousStep == null)
{
step.ID = 1;
ret = this.steps.Add(step);
return ret;
}
else
{
switch(type)
{
case Step.StepType.Default:
if(previousStep.Type == Step.StepType.Default)
{
step.ID = previousStep.ID;
index = this.FindStepIndexByUniqueID(previousStep.UniqueID) + 1;
while(true)
{
if(index == this.steps.Count)
{
previousStep = (Step)this.steps[index - 1];
break;
}
Step tmpStep = (Step)this.steps[index];
if(tmpStep.ID != step.ID)
{
previousStep = (Step)this.steps[index - 1];
break;
}
index += 1;
}
step.ID = previousStep.ID + 1;
foreach(Step tmpStep in this.steps)
{
if(tmpStep.ID >= step.ID)
{
tmpStep.ID += 1;
}
}
}
else if(previousStep.Type == Step.StepType.Alternative)
{
step.ID = previousStep.ID;
step.Type = Step.StepType.Alternative;
index = this.FindStepIndexByUniqueID(previousStep.UniqueID) + 1;
while(true)
{
if(index == this.steps.Count)
{
previousStep = (Step)this.steps[index - 1];
break;
}
Step tmpStep = (Step)this.steps[index];
if(tmpStep.ID != step.ID || tmpStep.Prefix == String.Empty)
{
previousStep = (Step)this.steps[index - 1];
break;
}
index += 1;
}
step.Prefix = previousStep.Prefix;
if(step.Prefix != String.Empty)
{
Char nextChar = step.Prefix[0];
nextChar++;
step.Prefix = new String(nextChar,1);
}
else
{
step.Prefix = "A";
}
foreach(Step tmpStep in this.steps)
{
if(tmpStep.ID == step.ID)
{
if(tmpStep.Prefix != String.Empty && tmpStep.Prefix.CompareTo(step.Prefix) >= 0)
{
Char nextChar = tmpStep.Prefix[0];
nextChar++;
tmpStep.Prefix = new String(nextChar,1);
}
}
}
}
else if(previousStep.Type == Step.StepType.AlternativeChild)
{
step.Type = Step.StepType.AlternativeChild;
step.ID = previousStep.ID;
step.Prefix = previousStep.Prefix;
index = this.FindStepIndexByUniqueID(previousStep.UniqueID) + 1;
while(true)
{
if(index == this.steps.Count)
{
previousStep = (Step)this.steps[index - 1];
break;
}
Step tmpStep = (Step)this.steps[index];
if(tmpStep.ID != step.ID || tmpStep.Prefix != step.Prefix)
{
previousStep = (Step)this.steps[index - 1];
break;
}
index += 1;
}
step.Prefix = previousStep.Prefix;
step.ChildID = previousStep.ChildID + 1;
}
break;
case Step.StepType.Alternative:
if(previousStep.Type == Step.StepType.Default)
{
step.ID = previousStep.ID;
step.Type = Step.StepType.Alternative;
index = this.FindStepIndexByUniqueID(previousStep.UniqueID) + 1;
while(true)
{
if(index == this.steps.Count)
{
previousStep = (Step)this.steps[index - 1];
break;
}
Step tmpStep = (Step)this.steps[index];
if(tmpStep.ID != step.ID || tmpStep.Prefix == String.Empty)
{
previousStep = (Step)this.steps[index - 1];
break;
}
index += 1;
}
step.Prefix = previousStep.Prefix;
if(step.Prefix != String.Empty)
{
Char nextChar = step.Prefix[0];
nextChar++;
step.Prefix = new String(nextChar,1);
}
else
{
step.Prefix = "A";
}
foreach(Step tmpStep in this.steps)
{
if(tmpStep.ID == step.ID)
{
if(tmpStep.Prefix != String.Empty && tmpStep.Prefix.CompareTo(step.Prefix) >= 0)
{
Char nextChar = tmpStep.Prefix[0];
nextChar++;
tmpStep.Prefix = new String(nextChar,1);
}
}
}
}
else if(previousStep.Type == Step.StepType.Alternative)
{
step.Type = Step.StepType.AlternativeChild;
step.ID = previousStep.ID;
step.Prefix = previousStep.Prefix;
step.ChildID = 1;
}
break;
}
}
index = this.FindStepIndexByUniqueID(previousStep.UniqueID) + 1;
if(index == this.steps.Count)
{
ret = this.steps.Add(step);
}
else
{
this.steps.Insert(index, step);
ret = index;
}
return ret;
}
public Int32 InsertStep(
Step previousStep,
String stereotype,
UseCase referencedUseCase,
DependencyItem.ReferenceType referenceType)
{
Step step = new Step();
Int32 ret;
if(referenceType != DependencyItem.ReferenceType.None)
{
step.Dependency.Stereotype = stereotype;
step.Dependency.PartnerUniqueID = referencedUseCase.UniqueID;
step.Dependency.Type = referenceType;
step.Description = (step.Dependency.Stereotype != "") ? "<<" + step.Dependency.Stereotype + ">>" : "";
step.Description += " \"";
step.Description += referencedUseCase.Name;
step.Description += "\"";
}
if(previousStep.Type == Step.StepType.Default)
{
step.ID = previousStep.ID;
foreach(Step tmpStep in this.steps)
{
if(tmpStep.ID >= step.ID)
{
tmpStep.ID += 1;
}
}
}
else if(previousStep.Type == Step.StepType.Alternative)
{
step.Prefix = previousStep.Prefix;
if(step.Prefix == String.Empty)
{
step.Prefix = "A";
}
step.ID = previousStep.ID;
step.Type = Step.StepType.Alternative;
foreach(Step tmpStep in this.steps)
{
if(tmpStep.ID == step.ID)
{
if(tmpStep.Prefix != String.Empty && tmpStep.Prefix.CompareTo(step.Prefix) >= 0)
{
Char nextChar = tmpStep.Prefix[0];
nextChar++;
tmpStep.Prefix = new String(nextChar,1);
}
}
}
}
else if(previousStep.Type == Step.StepType.AlternativeChild)
{
step.Type = Step.StepType.AlternativeChild;
step.ID = previousStep.ID;
step.Prefix = previousStep.Prefix;
step.ChildID = previousStep.ChildID;
foreach(Step tmpStep in this.steps)
{
if(tmpStep.ID == step.ID && tmpStep.Prefix == step.Prefix)
{
if(tmpStep.ChildID >= step.ChildID)
{
tmpStep.ChildID += 1;
}
}
}
}
int index = this.FindStepIndexByUniqueID(previousStep.UniqueID);
this.steps.Insert(index,step);
ret = index;
return ret;
}
public bool StepHasAlternatives(Step step)
{
Int32 index;
Step tmpStep;
Boolean retVal = true;
if(step.Type != Step.StepType.Default)
{
return false;
}
for(index = this.Steps.Count - 1; index >= 0; index--)
{
tmpStep = (Step)this.Steps[index];
if(tmpStep.UniqueID == step.UniqueID)
{
break;
}
}
while(true)
{
// Step is not found or it is the last step in collection
if(index >= this.Steps.Count - 1)
{
retVal = false;
break;
}
tmpStep = (Step)this.Steps[index + 1];
if(step.ID == tmpStep.ID && tmpStep.Type == Step.StepType.Alternative)
{
retVal = true;
break;
}
index += 1;
}
return retVal;
}